mp4enc_api.cpp revision 90d2dd403bc8faa421cfc6b26930e5aa69879943
1/* ------------------------------------------------------------------
2 * Copyright (C) 1998-2009 PacketVideo
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
13 * express or implied.
14 * See the License for the specific language governing permissions
15 * and limitations under the License.
16 * -------------------------------------------------------------------
17 */
18
19#include "mp4enc_lib.h"
20#include "bitstream_io.h"
21#include "rate_control.h"
22#include "m4venc_oscl.h"
23
24#ifndef INT32_MAX
25#define INT32_MAX 0x7fffffff
26#endif
27
28#ifndef SIZE_MAX
29#define SIZE_MAX ((size_t) -1)
30#endif
31
32/* Inverse normal zigzag */
33const static Int zigzag_i[NCOEFF_BLOCK] =
34{
35    0, 1, 8, 16, 9, 2, 3, 10,
36    17, 24, 32, 25, 18, 11, 4, 5,
37    12, 19, 26, 33, 40, 48, 41, 34,
38    27, 20, 13, 6, 7, 14, 21, 28,
39    35, 42, 49, 56, 57, 50, 43, 36,
40    29, 22, 15, 23, 30, 37, 44, 51,
41    58, 59, 52, 45, 38, 31, 39, 46,
42    53, 60, 61, 54, 47, 55, 62, 63
43};
44
45/* INTRA */
46const static Int mpeg_iqmat_def[NCOEFF_BLOCK] =
47    {  8, 17, 18, 19, 21, 23, 25, 27,
48       17, 18, 19, 21, 23, 25, 27, 28,
49       20, 21, 22, 23, 24, 26, 28, 30,
50       21, 22, 23, 24, 26, 28, 30, 32,
51       22, 23, 24, 26, 28, 30, 32, 35,
52       23, 24, 26, 28, 30, 32, 35, 38,
53       25, 26, 28, 30, 32, 35, 38, 41,
54       27, 28, 30, 32, 35, 38, 41, 45
55    };
56
57/* INTER */
58const static Int mpeg_nqmat_def[64]  =
59    { 16, 17, 18, 19, 20, 21, 22, 23,
60      17, 18, 19, 20, 21, 22, 23, 24,
61      18, 19, 20, 21, 22, 23, 24, 25,
62      19, 20, 21, 22, 23, 24, 26, 27,
63      20, 21, 22, 23, 25, 26, 27, 28,
64      21, 22, 23, 24, 26, 27, 28, 30,
65      22, 23, 24, 26, 27, 28, 30, 31,
66      23, 24, 25, 27, 28, 30, 31, 33
67    };
68
69/* Profiles and levels */
70/* Simple profile(level 0-3) and Core profile (level 1-2) */
71/* {SPL0, SPL1, SPL2, SPL3, CPL1, CPL2, CPL2, CPL2} , SPL0: Simple Profile@Level0, CPL1: Core Profile@Level1, the last two are redundant for easy table manipulation */
72const static Int profile_level_code[8] =
73{
74    0x08, 0x01, 0x02, 0x03, 0x21, 0x22, 0x22, 0x22
75};
76
77const static Int profile_level_max_bitrate[8] =
78{
79    64000, 64000, 128000, 384000, 384000, 2000000, 2000000, 2000000
80};
81
82const static Int profile_level_max_packet_size[8] =
83{
84    2048, 2048, 4096, 8192, 4096, 8192, 8192, 8192
85};
86
87const static Int profile_level_max_mbsPerSec[8] =
88{
89    1485, 1485, 5940, 11880, 5940, 23760, 23760, 23760
90};
91
92const static Int profile_level_max_VBV_size[8] =
93{
94    163840, 163840, 655360, 655360, 262144, 1310720, 1310720, 1310720
95};
96
97
98/* Simple scalable profile (level 0-2) and Core scalable profile (level 1-3) */
99/* {SSPL0, SSPL1, SSPL2, SSPL2, CSPL1, CSPL2, CSPL3, CSPL3} , SSPL0: Simple Scalable Profile@Level0, CSPL1: Core Scalable Profile@Level1, the fourth is redundant for easy table manipulation */
100
101const static Int scalable_profile_level_code[8] =
102{
103    0x10, 0x11, 0x12, 0x12, 0xA1, 0xA2, 0xA3, 0xA3
104};
105
106const static Int scalable_profile_level_max_bitrate[8] =
107{
108    128000, 128000, 256000, 256000, 768000, 1500000, 4000000, 4000000
109};
110
111/* in bits */
112const static Int scalable_profile_level_max_packet_size[8] =
113{
114    2048, 2048, 4096, 4096, 4096, 4096, 16384, 16384
115};
116
117const static Int scalable_profile_level_max_mbsPerSec[8] =
118{
119    1485, 7425, 23760, 23760, 14850, 29700, 120960, 120960
120};
121
122const static Int scalable_profile_level_max_VBV_size[8] =
123{
124    163840, 655360, 655360, 655360, 1048576, 1310720, 1310720, 1310720
125};
126
127
128/* H263 profile 0 @ level 10-70 */
129const static Int   h263Level[8] = {0, 10, 20, 30, 40, 50, 60, 70};
130const static float rBR_bound[8] = {0, 1, 2, 6, 32, 64, 128, 256};
131const static float max_h263_framerate[2] = {(float)30000 / (float)2002,
132        (float)30000 / (float)1001
133                                           };
134const static Int   max_h263_width[2]  = {176, 352};
135const static Int   max_h263_height[2] = {144, 288};
136
137/* 6/2/2001, newly added functions to make PVEncodeVop more readable. */
138Int DetermineCodingLayer(VideoEncData *video, Int *nLayer, ULong modTime);
139void DetermineVopType(VideoEncData *video, Int currLayer);
140Int UpdateSkipNextFrame(VideoEncData *video, ULong *modTime, Int *size, PV_STATUS status);
141Bool SetProfile_BufferSize(VideoEncData *video, float delay, Int bInitialized);
142
143#ifdef PRINT_RC_INFO
144extern FILE *facct;
145extern int tiTotalNumBitsGenerated;
146extern int iStuffBits;
147#endif
148
149#ifdef PRINT_EC
150extern FILE *fec;
151#endif
152
153
154/* ======================================================================== */
155/*  Function : PVGetDefaultEncOption()                                      */
156/*  Date     : 12/12/2005                                                   */
157/*  Purpose  :                                                              */
158/*  In/out   :                                                              */
159/*  Return   : PV_TRUE if successed, PV_FALSE if failed.                    */
160/*  Modified :                                                              */
161/*                                                                          */
162/* ======================================================================== */
163
164OSCL_EXPORT_REF Bool PVGetDefaultEncOption(VideoEncOptions *encOption, Int encUseCase)
165{
166    VideoEncOptions defaultUseCase = {H263_MODE, profile_level_max_packet_size[SIMPLE_PROFILE_LEVEL0] >> 3,
167                                      SIMPLE_PROFILE_LEVEL0, PV_OFF, 0, 1, 1000, 33, {144, 144}, {176, 176}, {15, 30}, {64000, 128000},
168                                      {10, 10}, {12, 12}, {0, 0}, CBR_1, 0.0, PV_OFF, -1, 0, PV_OFF, 16, PV_OFF, 0, PV_ON
169                                     };
170
171    OSCL_UNUSED_ARG(encUseCase); // unused for now. Later we can add more defaults setting and use this
172    // argument to select the right one.
173    /* in the future we can create more meaningful use-cases */
174    if (encOption == NULL)
175    {
176        return PV_FALSE;
177    }
178
179    M4VENC_MEMCPY(encOption, &defaultUseCase, sizeof(VideoEncOptions));
180
181    return PV_TRUE;
182}
183
184/* ======================================================================== */
185/*  Function : PVInitVideoEncoder()                                         */
186/*  Date     : 08/22/2000                                                   */
187/*  Purpose  : Initialization of MP4 Encoder and VO bitstream               */
188/*  In/out   :                                                              */
189/*  Return   : PV_TRUE if successed, PV_FALSE if failed.                    */
190/*  Modified :  5/21/01, allocate only yChan and assign uChan & vChan   */
191/*              12/12/05, add encoding option as input argument         */
192/* ======================================================================== */
193OSCL_EXPORT_REF Bool    PVInitVideoEncoder(VideoEncControls *encoderControl, VideoEncOptions *encOption)
194{
195
196    Bool        status = PV_TRUE;
197    Int         nLayers, idx, i, j;
198    Int         max = 0, max_width = 0, max_height = 0, pitch, offset;
199    Int         size = 0, nTotalMB = 0;
200    VideoEncData *video;
201    Vol         *pVol;
202    VideoEncParams  *pEncParams;
203    Int         temp_w, temp_h, mbsPerSec;
204
205    /******************************************/
206    /*      this part use to be PVSetEncode() */
207    Int profile_table_index, *profile_level_table;
208    Int profile_level = encOption->profile_level;
209    Int PacketSize = encOption->packetSize << 3;
210    Int timeInc, timeIncRes;
211    float profile_max_framerate;
212    VideoEncParams *encParams;
213
214    if (encoderControl->videoEncoderData) /* this has been called */
215    {
216        if (encoderControl->videoEncoderInit) /* check if PVInitVideoEncoder() has been called  */
217        {
218            PVCleanUpVideoEncoder(encoderControl);
219            encoderControl->videoEncoderInit = 0;
220        }
221
222        M4VENC_FREE(encoderControl->videoEncoderData);
223        encoderControl->videoEncoderData = NULL;
224    }
225    encoderControl->videoEncoderInit = 0;   /* reset this value */
226
227    video = (VideoEncData *)M4VENC_MALLOC(sizeof(VideoEncData)); /* allocate memory for encData */
228
229    if (video == NULL)
230        return PV_FALSE;
231
232    M4VENC_MEMSET(video, 0, sizeof(VideoEncData));
233
234    encoderControl->videoEncoderData = (void *) video;         /* set up pointer in VideoEncData structure */
235
236    video->encParams = (VideoEncParams *)M4VENC_MALLOC(sizeof(VideoEncParams));
237    if (video->encParams == NULL)
238        goto CLEAN_UP;
239
240    M4VENC_MEMSET(video->encParams, 0, sizeof(VideoEncParams));
241
242    encParams = video->encParams;
243    encParams->nLayers = encOption->numLayers;
244
245    /* Check whether the input packetsize is valid (Note: put code here (before any memory allocation) in order to avoid memory leak */
246    if ((Int)profile_level < (Int)(SIMPLE_SCALABLE_PROFILE_LEVEL0))  /* non-scalable profile */
247    {
248        profile_level_table = (Int *)profile_level_max_packet_size;
249        profile_table_index = (Int)profile_level;
250        if (encParams->nLayers != 1)
251        {
252            goto CLEAN_UP;
253        }
254
255        encParams->LayerMaxMbsPerSec[0] = profile_level_max_mbsPerSec[profile_table_index];
256
257    }
258    else   /* scalable profile */
259    {
260        profile_level_table = (Int *)scalable_profile_level_max_packet_size;
261        profile_table_index = (Int)profile_level - (Int)(SIMPLE_SCALABLE_PROFILE_LEVEL0);
262        if (encParams->nLayers < 2)
263        {
264            goto CLEAN_UP;
265        }
266        for (i = 0; i < encParams->nLayers; i++)
267        {
268            encParams->LayerMaxMbsPerSec[i] = scalable_profile_level_max_mbsPerSec[profile_table_index];
269        }
270
271    }
272
273    /* cannot have zero size packet with these modes */
274    if (PacketSize == 0)
275    {
276        if (encOption->encMode == DATA_PARTITIONING_MODE)
277        {
278            goto CLEAN_UP;
279        }
280        if (encOption->encMode == COMBINE_MODE_WITH_ERR_RES)
281        {
282            encOption->encMode = COMBINE_MODE_NO_ERR_RES;
283        }
284    }
285
286    if (encOption->gobHeaderInterval == 0)
287    {
288        if (encOption->encMode == H263_MODE_WITH_ERR_RES)
289        {
290            encOption->encMode = H263_MODE;
291        }
292
293        if (encOption->encMode == SHORT_HEADER_WITH_ERR_RES)
294        {
295            encOption->encMode = SHORT_HEADER;
296        }
297    }
298
299    if (PacketSize > profile_level_table[profile_table_index])
300        goto CLEAN_UP;
301
302    /* Initial Defaults for all Modes */
303
304    encParams->SequenceStartCode = 1;
305    encParams->GOV_Enabled = 0;
306    encParams->RoundingType = 0;
307    encParams->IntraDCVlcThr = PV_MAX(PV_MIN(encOption->intraDCVlcTh, 7), 0);
308    encParams->ACDCPrediction = ((encOption->useACPred == PV_ON) ? TRUE : FALSE);
309    encParams->RC_Type = encOption->rcType;
310    encParams->Refresh = encOption->numIntraMB;
311    encParams->ResyncMarkerDisable = 0; /* Enable Resync Marker */
312
313    for (i = 0; i < encOption->numLayers; i++)
314    {
315#ifdef NO_MPEG_QUANT
316        encParams->QuantType[i] = 0;
317#else
318        encParams->QuantType[i] = encOption->quantType[i];      /* H263 */
319#endif
320        if (encOption->pQuant[i] >= 1 && encOption->pQuant[i] <= 31)
321        {
322            encParams->InitQuantPvop[i] = encOption->pQuant[i];
323        }
324        else
325        {
326            goto CLEAN_UP;
327        }
328        if (encOption->iQuant[i] >= 1 && encOption->iQuant[i] <= 31)
329        {
330            encParams->InitQuantIvop[i] = encOption->iQuant[i];
331        }
332        else
333        {
334            goto CLEAN_UP;
335        }
336    }
337
338    encParams->HalfPel_Enabled = 1;
339    encParams->SearchRange = encOption->searchRange; /* 4/16/2001 */
340    encParams->FullSearch_Enabled = 0;
341#ifdef NO_INTER4V
342    encParams->MV8x8_Enabled = 0;
343#else
344    encParams->MV8x8_Enabled = 0;// comment out for now!! encOption->mv8x8Enable;
345#endif
346    encParams->H263_Enabled = 0;
347    encParams->GOB_Header_Interval = 0; // need to be reset to 0
348    encParams->IntraPeriod = encOption->intraPeriod;    /* Intra update period update default*/
349    encParams->SceneChange_Det = encOption->sceneDetect;
350    encParams->FineFrameSkip_Enabled = 0;
351    encParams->NoFrameSkip_Enabled = encOption->noFrameSkipped;
352    encParams->NoPreSkip_Enabled = encOption->noFrameSkipped;
353    encParams->GetVolHeader[0] = 0;
354    encParams->GetVolHeader[1] = 0;
355    encParams->ResyncPacketsize = encOption->packetSize << 3;
356    encParams->LayerMaxBitRate[0] = 0;
357    encParams->LayerMaxBitRate[1] = 0;
358    encParams->LayerMaxFrameRate[0] = (float)0.0;
359    encParams->LayerMaxFrameRate[1] = (float)0.0;
360    encParams->VBV_delay = encOption->vbvDelay;  /* 2sec VBV buffer size */
361
362    switch (encOption->encMode)
363    {
364
365        case SHORT_HEADER:
366        case SHORT_HEADER_WITH_ERR_RES:
367
368            /* From Table 6-26 */
369            encParams->nLayers = 1;
370            encParams->QuantType[0] = 0;    /*H263 */
371            encParams->ResyncMarkerDisable = 1; /* Disable Resync Marker */
372            encParams->DataPartitioning = 0; /* Combined Mode */
373            encParams->ReversibleVLC = 0;   /* Disable RVLC */
374            encParams->RoundingType = 0;
375            encParams->IntraDCVlcThr = 7;   /* use_intra_dc_vlc = 0 */
376            encParams->MV8x8_Enabled = 0;
377
378            encParams->GOB_Header_Interval = encOption->gobHeaderInterval;
379            encParams->H263_Enabled = 2;
380            encParams->GOV_Enabled = 0;
381            encParams->TimeIncrementRes = 30000;        /* timeIncrementRes for H263 */
382            break;
383
384        case H263_MODE:
385        case H263_MODE_WITH_ERR_RES:
386
387            /* From Table 6-26 */
388            encParams->nLayers = 1;
389            encParams->QuantType[0] = 0;    /*H263 */
390            encParams->ResyncMarkerDisable = 1; /* Disable Resync Marker */
391            encParams->DataPartitioning = 0; /* Combined Mode */
392            encParams->ReversibleVLC = 0;   /* Disable RVLC */
393            encParams->RoundingType = 0;
394            encParams->IntraDCVlcThr = 7;   /* use_intra_dc_vlc = 0 */
395            encParams->MV8x8_Enabled = 0;
396
397            encParams->H263_Enabled = 1;
398            encParams->GOV_Enabled = 0;
399            encParams->TimeIncrementRes = 30000;        /* timeIncrementRes for H263 */
400
401            break;
402#ifndef H263_ONLY
403        case DATA_PARTITIONING_MODE:
404
405            encParams->DataPartitioning = 1;        /* Base Layer Data Partitioning */
406            encParams->ResyncMarkerDisable = 0; /* Resync Marker */
407#ifdef NO_RVLC
408            encParams->ReversibleVLC = 0;
409#else
410            encParams->ReversibleVLC = (encOption->rvlcEnable == PV_ON); /* RVLC when Data Partitioning */
411#endif
412            encParams->ResyncPacketsize = PacketSize;
413            break;
414
415        case COMBINE_MODE_WITH_ERR_RES:
416
417            encParams->DataPartitioning = 0;        /* Combined Mode */
418            encParams->ResyncMarkerDisable = 0; /* Resync Marker */
419            encParams->ReversibleVLC = 0;           /* No RVLC */
420            encParams->ResyncPacketsize = PacketSize;
421            break;
422
423        case COMBINE_MODE_NO_ERR_RES:
424
425            encParams->DataPartitioning = 0;        /* Combined Mode */
426            encParams->ResyncMarkerDisable = 1; /* Disable Resync Marker */
427            encParams->ReversibleVLC = 0;           /* No RVLC */
428            break;
429#endif
430        default:
431            goto CLEAN_UP;
432    }
433    /* Set the constraints (maximum values) according to the input profile and level */
434    /* Note that profile_table_index is already figured out above */
435
436    /* base layer */
437    encParams->profile_table_index    = profile_table_index; /* Used to limit the profile and level in SetProfile_BufferSize() */
438
439    /* check timeIncRes */
440    timeIncRes = encOption->timeIncRes;
441    timeInc = encOption->tickPerSrc;
442
443    if ((timeIncRes >= 1) && (timeIncRes <= 65536) && (timeInc < timeIncRes) && (timeInc != 0))
444    {
445        if (!encParams->H263_Enabled)
446        {
447            encParams->TimeIncrementRes = timeIncRes;
448        }
449        else
450        {
451            encParams->TimeIncrementRes = 30000;
452//          video->FrameRate = 30000/(float)1001; /* fix it to 29.97 fps */
453        }
454        video->FrameRate = timeIncRes / ((float)timeInc);
455    }
456    else
457    {
458        goto CLEAN_UP;
459    }
460
461    /* check frame dimension */
462    if (encParams->H263_Enabled)
463    {
464        switch (encOption->encWidth[0])
465        {
466            case 128:
467                if (encOption->encHeight[0] != 96) /* source_format = 1 */
468                    goto CLEAN_UP;
469                break;
470            case 176:
471                if (encOption->encHeight[0] != 144) /* source_format = 2 */
472                    goto CLEAN_UP;
473                break;
474            case 352:
475                if (encOption->encHeight[0] != 288) /* source_format = 2 */
476                    goto CLEAN_UP;
477                break;
478
479            case 704:
480                if (encOption->encHeight[0] != 576) /* source_format = 2 */
481                    goto CLEAN_UP;
482                break;
483            case 1408:
484                if (encOption->encHeight[0] != 1152) /* source_format = 2 */
485                    goto CLEAN_UP;
486                break;
487
488            default:
489                goto CLEAN_UP;
490        }
491    }
492    for (i = 0; i < encParams->nLayers; i++)
493    {
494        encParams->LayerHeight[i] = encOption->encHeight[i];
495        encParams->LayerWidth[i] = encOption->encWidth[i];
496    }
497
498    /* check frame rate */
499    for (i = 0; i < encParams->nLayers; i++)
500    {
501        encParams->LayerFrameRate[i] = encOption->encFrameRate[i];
502    }
503
504    if (encParams->nLayers > 1)
505    {
506        if (encOption->encFrameRate[0] == encOption->encFrameRate[1] ||
507                encOption->encFrameRate[0] == 0. || encOption->encFrameRate[1] == 0.) /* 7/31/03 */
508            goto CLEAN_UP;
509    }
510    /* set max frame rate */
511    for (i = 0; i < encParams->nLayers; i++)
512    {
513
514        /* Make sure the maximum framerate is consistent with the given profile and level */
515        nTotalMB = ((encParams->LayerWidth[i] + 15) / 16) * ((encParams->LayerHeight[i] + 15) / 16);
516
517        if (nTotalMB > 0)
518            profile_max_framerate = (float)encParams->LayerMaxMbsPerSec[i] / (float)nTotalMB;
519
520        else
521            profile_max_framerate = (float)30.0;
522
523        encParams->LayerMaxFrameRate[i] = PV_MIN(profile_max_framerate, encParams->LayerFrameRate[i]);
524    }
525
526    /* check bit rate */
527    /* set max bit rate */
528    for (i = 0; i < encParams->nLayers; i++)
529    {
530        encParams->LayerBitRate[i] = encOption->bitRate[i];
531        encParams->LayerMaxBitRate[i] = encOption->bitRate[i];
532    }
533    if (encParams->nLayers > 1)
534    {
535        if (encOption->bitRate[0] == encOption->bitRate[1] ||
536                encOption->bitRate[0] == 0 || encOption->bitRate[1] == 0) /* 7/31/03 */
537            goto CLEAN_UP;
538    }
539    /* check rate control and vbv delay*/
540    encParams->RC_Type = encOption->rcType;
541
542    if (encOption->vbvDelay == 0.0) /* set to default */
543    {
544        switch (encOption->rcType)
545        {
546            case CBR_1:
547            case CBR_2:
548                encParams->VBV_delay = (float)2.0; /* default 2sec VBV buffer size */
549                break;
550
551            case CBR_LOWDELAY:
552                encParams->VBV_delay = (float)0.5; /* default 0.5sec VBV buffer size */
553                break;
554
555            case VBR_1:
556            case VBR_2:
557                encParams->VBV_delay = (float)10.0; /* default 10sec VBV buffer size */
558                break;
559            default:
560                break;
561        }
562    }
563    else /* force this value */
564    {
565        encParams->VBV_delay = encOption->vbvDelay;
566    }
567
568    /* check search range */
569    if (encParams->H263_Enabled && encOption->searchRange > 16)
570    {
571        encParams->SearchRange = 16; /* 4/16/2001 */
572    }
573
574    /*****************************************/
575    /* checking for conflict between options */
576    /*****************************************/
577
578    if (video->encParams->RC_Type == CBR_1 || video->encParams->RC_Type == CBR_2 || video->encParams->RC_Type == CBR_LOWDELAY)  /* if CBR */
579    {
580#ifdef _PRINT_STAT
581        if (video->encParams->NoFrameSkip_Enabled == PV_ON ||
582                video->encParams->NoPreSkip_Enabled == PV_ON) /* don't allow frame skip*/
583            printf("WARNING!!!! CBR with NoFrameSkip\n");
584#endif
585    }
586    else if (video->encParams->RC_Type == CONSTANT_Q)   /* constant_Q */
587    {
588        video->encParams->NoFrameSkip_Enabled = PV_ON;  /* no frame skip */
589        video->encParams->NoPreSkip_Enabled = PV_ON;    /* no frame skip */
590#ifdef _PRINT_STAT
591        printf("Turn on NoFrameSkip\n");
592#endif
593    }
594
595    if (video->encParams->NoFrameSkip_Enabled == PV_ON) /* if no frame skip */
596    {
597        video->encParams->FineFrameSkip_Enabled = PV_OFF;
598#ifdef _PRINT_STAT
599        printf("NoFrameSkip !!! may violate VBV_BUFFER constraint.\n");
600        printf("Turn off FineFrameSkip\n");
601#endif
602    }
603
604    /******************************************/
605    /******************************************/
606
607    nLayers = video->encParams->nLayers; /* Number of Layers to be encoded */
608
609    /* Find the maximum width*height for memory allocation of the VOPs */
610    for (idx = 0; idx < nLayers; idx++)
611    {
612        temp_w = video->encParams->LayerWidth[idx];
613        temp_h = video->encParams->LayerHeight[idx];
614
615        if ((temp_w*temp_h) > max)
616        {
617            max = temp_w * temp_h;
618            max_width = ((temp_w + 15) >> 4) << 4;
619            max_height = ((temp_h + 15) >> 4) << 4;
620            if (((uint64_t)max_width * max_height) > (uint64_t)INT32_MAX
621                    || temp_w > INT32_MAX - 15 || temp_h > INT32_MAX - 15) {
622                goto CLEAN_UP;
623            }
624            nTotalMB = ((max_width * max_height) >> 8);
625        }
626
627        /* Check if the video size and framerate(MBsPerSec) are vald */
628        mbsPerSec = (Int)(nTotalMB * video->encParams->LayerFrameRate[idx]);
629        if (mbsPerSec > video->encParams->LayerMaxMbsPerSec[idx]) status = PV_FALSE;
630    }
631
632    /****************************************************/
633    /* Set Profile and Video Buffer Size for each layer */
634    /****************************************************/
635    if (video->encParams->RC_Type == CBR_LOWDELAY) video->encParams->VBV_delay = 0.5; /* For CBR_LOWDELAY, we set 0.5sec buffer */
636    status = SetProfile_BufferSize(video, video->encParams->VBV_delay, 1);
637    if (status != PV_TRUE)
638        goto CLEAN_UP;
639
640    /****************************************/
641    /* memory allocation and initialization */
642    /****************************************/
643
644    if (video == NULL) goto CLEAN_UP;
645
646    /* cyclic reference for passing through both structures */
647    video->videoEncControls = encoderControl;
648
649    //video->currLayer = 0; /* Set current Layer to 0 */
650    //video->currFrameNo = 0; /* Set current frame Number to 0 */
651    video->nextModTime = 0;
652    video->nextEncIVop = 0; /* Sets up very first frame to be I-VOP! */
653    video->numVopsInGOP = 0; /* counter for Vops in Gop, 2/8/01 */
654
655    //video->frameRate = video->encParams->LayerFrameRate[0]; /* Set current layer frame rate */
656
657    video->QPMB = (UChar *) M4VENC_MALLOC(nTotalMB * sizeof(UChar)); /* Memory for MB quantizers */
658    if (video->QPMB == NULL) goto CLEAN_UP;
659
660
661    video->headerInfo.Mode = (UChar *) M4VENC_MALLOC(sizeof(UChar) * nTotalMB); /* Memory for MB Modes */
662    if (video->headerInfo.Mode == NULL) goto CLEAN_UP;
663    video->headerInfo.CBP = (UChar *) M4VENC_MALLOC(sizeof(UChar) * nTotalMB);   /* Memory for CBP (Y and C) of each MB */
664    if (video->headerInfo.CBP == NULL) goto CLEAN_UP;
665
666    /* Allocating motion vector space and interpolation memory*/
667
668    if ((size_t)nTotalMB > SIZE_MAX / sizeof(MOT *)) {
669        goto CLEAN_UP;
670    }
671    video->mot = (MOT **)M4VENC_MALLOC(sizeof(MOT *) * nTotalMB);
672    if (video->mot == NULL) goto CLEAN_UP;
673
674    for (idx = 0; idx < nTotalMB; idx++)
675    {
676        video->mot[idx] = (MOT *)M4VENC_MALLOC(sizeof(MOT) * 8);
677        if (video->mot[idx] == NULL)
678        {
679            goto CLEAN_UP;
680        }
681    }
682
683    video->intraArray = (UChar *)M4VENC_MALLOC(sizeof(UChar) * nTotalMB);
684    if (video->intraArray == NULL) goto CLEAN_UP;
685
686    video->sliceNo = (UChar *) M4VENC_MALLOC(nTotalMB); /* Memory for Slice Numbers */
687    if (video->sliceNo == NULL) goto CLEAN_UP;
688    /* Allocating space for predDCAC[][8][16], Not that I intentionally  */
689    /*    increase the dimension of predDCAC from [][6][15] to [][8][16] */
690    /*    so that compilers can generate faster code to indexing the     */
691    /*    data inside (by using << instead of *).         04/14/2000. */
692    /* 5/29/01, use  decoder lib ACDC prediction memory scheme.  */
693    if ((size_t)nTotalMB > SIZE_MAX / sizeof(typeDCStore)) {
694        goto CLEAN_UP;
695    }
696    video->predDC = (typeDCStore *) M4VENC_MALLOC(nTotalMB * sizeof(typeDCStore));
697    if (video->predDC == NULL) goto CLEAN_UP;
698
699    if (!video->encParams->H263_Enabled)
700    {
701        if ((size_t)((max_width >> 4) + 1) > SIZE_MAX / sizeof(typeDCACStore)) {
702            goto CLEAN_UP;
703        }
704        video->predDCAC_col = (typeDCACStore *) M4VENC_MALLOC(((max_width >> 4) + 1) * sizeof(typeDCACStore));
705        if (video->predDCAC_col == NULL) goto CLEAN_UP;
706
707        /* element zero will be used for storing vertical (col) AC coefficients */
708        /*  the rest will be used for storing horizontal (row) AC coefficients  */
709        video->predDCAC_row = video->predDCAC_col + 1;        /*  ACDC */
710
711        if ((size_t)nTotalMB > SIZE_MAX / sizeof(Int)) {
712            goto CLEAN_UP;
713        }
714        video->acPredFlag = (Int *) M4VENC_MALLOC(nTotalMB * sizeof(Int)); /* Memory for acPredFlag */
715        if (video->acPredFlag == NULL) goto CLEAN_UP;
716    }
717
718    video->outputMB = (MacroBlock *) M4VENC_MALLOC(sizeof(MacroBlock)); /* Allocating macroblock space */
719    if (video->outputMB == NULL) goto CLEAN_UP;
720    M4VENC_MEMSET(video->outputMB->block[0], 0, (sizeof(Short) << 6)*6);
721
722    M4VENC_MEMSET(video->dataBlock, 0, sizeof(Short) << 7);
723    /* Allocate (2*packetsize) working bitstreams */
724
725    video->bitstream1 = BitStreamCreateEnc(2 * 4096); /*allocate working stream 1*/
726    if (video->bitstream1 == NULL) goto CLEAN_UP;
727    video->bitstream2 = BitStreamCreateEnc(2 * 4096); /*allocate working stream 2*/
728    if (video->bitstream2 == NULL) goto CLEAN_UP;
729    video->bitstream3 = BitStreamCreateEnc(2 * 4096); /*allocate working stream 3*/
730    if (video->bitstream3 == NULL) goto CLEAN_UP;
731
732    /* allocate overrun buffer */
733    // this buffer is used when user's buffer is too small to hold one frame.
734    // It is not needed for slice-based encoding.
735    if (nLayers == 1)
736    {
737        video->oBSize = encParams->BufferSize[0] >> 3;
738    }
739    else
740    {
741        video->oBSize = PV_MAX((encParams->BufferSize[0] >> 3), (encParams->BufferSize[1] >> 3));
742    }
743
744    if (video->oBSize > DEFAULT_OVERRUN_BUFFER_SIZE || encParams->RC_Type == CONSTANT_Q) // set limit
745    {
746        video->oBSize = DEFAULT_OVERRUN_BUFFER_SIZE;
747    }
748    video->overrunBuffer = (UChar*) M4VENC_MALLOC(sizeof(UChar) * video->oBSize);
749    if (video->overrunBuffer == NULL) goto CLEAN_UP;
750
751
752    video->currVop = (Vop *) M4VENC_MALLOC(sizeof(Vop)); /* Memory for Current VOP */
753    if (video->currVop == NULL) goto CLEAN_UP;
754
755    /* add padding, 09/19/05 */
756    if (video->encParams->H263_Enabled) /* make it conditional  11/28/05 */
757    {
758        pitch = max_width;
759        offset = 0;
760    }
761    else
762    {
763        pitch = max_width + 32;
764        offset = (pitch << 4) + 16;
765        max_height += 32;
766    }
767    if (((uint64_t)pitch * max_height) > (uint64_t)INT32_MAX) {
768        goto CLEAN_UP;
769    }
770    size = pitch * max_height;
771
772    if (size > INT32_MAX - (size >> 1)
773            || (size_t)(size + (size >> 1)) > SIZE_MAX / sizeof(PIXEL)) {
774        goto CLEAN_UP;
775    }
776    video->currVop->allChan = video->currVop->yChan = (PIXEL *)M4VENC_MALLOC(sizeof(PIXEL) * (size + (size >> 1))); /* Memory for currVop Y */
777    if (video->currVop->yChan == NULL) goto CLEAN_UP;
778    video->currVop->uChan = video->currVop->yChan + size;/* Memory for currVop U */
779    video->currVop->vChan = video->currVop->uChan + (size >> 2);/* Memory for currVop V */
780
781    /* shift for the offset */
782    if (offset)
783    {
784        video->currVop->yChan += offset; /* offset to the origin.*/
785        video->currVop->uChan += (offset >> 2) + 4;
786        video->currVop->vChan += (offset >> 2) + 4;
787    }
788
789    video->forwardRefVop = video->currVop;      /*  Initialize forwardRefVop */
790    video->backwardRefVop = video->currVop;     /*  Initialize backwardRefVop */
791
792    video->prevBaseVop = (Vop *) M4VENC_MALLOC(sizeof(Vop));         /* Memory for Previous Base Vop */
793    if (video->prevBaseVop == NULL) goto CLEAN_UP;
794    video->prevBaseVop->allChan = video->prevBaseVop->yChan = (PIXEL *) M4VENC_MALLOC(sizeof(PIXEL) * (size + (size >> 1))); /* Memory for prevBaseVop Y */
795    if (video->prevBaseVop->yChan == NULL) goto CLEAN_UP;
796    video->prevBaseVop->uChan = video->prevBaseVop->yChan + size; /* Memory for prevBaseVop U */
797    video->prevBaseVop->vChan = video->prevBaseVop->uChan + (size >> 2); /* Memory for prevBaseVop V */
798
799    if (offset)
800    {
801        video->prevBaseVop->yChan += offset; /* offset to the origin.*/
802        video->prevBaseVop->uChan += (offset >> 2) + 4;
803        video->prevBaseVop->vChan += (offset >> 2) + 4;
804    }
805
806
807    if (0) /* If B Frames */
808    {
809        video->nextBaseVop = (Vop *) M4VENC_MALLOC(sizeof(Vop));         /* Memory for Next Base Vop */
810        if (video->nextBaseVop == NULL) goto CLEAN_UP;
811        video->nextBaseVop->allChan = video->nextBaseVop->yChan = (PIXEL *) M4VENC_MALLOC(sizeof(PIXEL) * (size + (size >> 1))); /* Memory for nextBaseVop Y */
812        if (video->nextBaseVop->yChan == NULL) goto CLEAN_UP;
813        video->nextBaseVop->uChan = video->nextBaseVop->yChan + size; /* Memory for nextBaseVop U */
814        video->nextBaseVop->vChan = video->nextBaseVop->uChan + (size >> 2); /* Memory for nextBaseVop V */
815
816        if (offset)
817        {
818            video->nextBaseVop->yChan += offset; /* offset to the origin.*/
819            video->nextBaseVop->uChan += (offset >> 2) + 4;
820            video->nextBaseVop->vChan += (offset >> 2) + 4;
821        }
822    }
823
824    if (nLayers > 1)   /* If enhancement layers */
825    {
826        video->prevEnhanceVop = (Vop *) M4VENC_MALLOC(sizeof(Vop));      /* Memory for Previous Enhancement Vop */
827        if (video->prevEnhanceVop == NULL) goto CLEAN_UP;
828        video->prevEnhanceVop->allChan = video->prevEnhanceVop->yChan = (PIXEL *) M4VENC_MALLOC(sizeof(PIXEL) * (size + (size >> 1))); /* Memory for Previous Ehancement Y */
829        if (video->prevEnhanceVop->yChan == NULL) goto CLEAN_UP;
830        video->prevEnhanceVop->uChan = video->prevEnhanceVop->yChan + size; /* Memory for Previous Enhancement U */
831        video->prevEnhanceVop->vChan = video->prevEnhanceVop->uChan + (size >> 2); /* Memory for Previous Enhancement V */
832
833        if (offset)
834        {
835            video->prevEnhanceVop->yChan += offset; /* offset to the origin.*/
836            video->prevEnhanceVop->uChan += (offset >> 2) + 4;
837            video->prevEnhanceVop->vChan += (offset >> 2) + 4;
838        }
839    }
840
841    video->numberOfLayers = nLayers; /* Number of Layers */
842    video->sumMAD = 0;
843
844
845    /* 04/09/01, for Vops in the use multipass processing */
846    for (idx = 0; idx < nLayers; idx++)
847    {
848        video->pMP[idx] = (MultiPass *)M4VENC_MALLOC(sizeof(MultiPass));
849        if (video->pMP[idx] == NULL)    goto CLEAN_UP;
850        M4VENC_MEMSET(video->pMP[idx], 0, sizeof(MultiPass));
851
852        video->pMP[idx]->encoded_frames = -1; /* forget about the very first I frame */
853
854
855        /* RDInfo **pRDSamples */
856        video->pMP[idx]->pRDSamples = (RDInfo **)M4VENC_MALLOC(30 * sizeof(RDInfo *));
857        if (video->pMP[idx]->pRDSamples == NULL)    goto CLEAN_UP;
858        for (i = 0; i < 30; i++)
859        {
860            video->pMP[idx]->pRDSamples[i] = (RDInfo *)M4VENC_MALLOC(32 * sizeof(RDInfo));
861            if (video->pMP[idx]->pRDSamples[i] == NULL) goto CLEAN_UP;
862            for (j = 0; j < 32; j++)    M4VENC_MEMSET(&(video->pMP[idx]->pRDSamples[i][j]), 0, sizeof(RDInfo));
863        }
864        video->pMP[idx]->frameRange = (Int)(video->encParams->LayerFrameRate[idx] * 1.0); /* 1.0s time frame*/
865        video->pMP[idx]->frameRange = PV_MAX(video->pMP[idx]->frameRange, 5);
866        video->pMP[idx]->frameRange = PV_MIN(video->pMP[idx]->frameRange, 30);
867
868        video->pMP[idx]->framePos = -1;
869
870    }
871    /* /// End /////////////////////////////////////// */
872
873
874    if ((size_t)nLayers > SIZE_MAX / sizeof(Vol *)) {
875        goto CLEAN_UP;
876    }
877    video->vol = (Vol **)M4VENC_MALLOC(nLayers * sizeof(Vol *)); /* Memory for VOL pointers */
878
879    /* Memory allocation and Initialization of Vols and writing of headers */
880    if (video->vol == NULL) goto CLEAN_UP;
881
882    for (idx = 0; idx < nLayers; idx++)
883    {
884        video->volInitialize[idx] = 1;
885        video->refTick[idx] = 0;
886        video->relLayerCodeTime[idx] = 1000;
887        video->vol[idx] = (Vol *)M4VENC_MALLOC(sizeof(Vol));
888        if (video->vol[idx] == NULL)  goto CLEAN_UP;
889
890        pVol = video->vol[idx];
891        pEncParams = video->encParams;
892
893        M4VENC_MEMSET(video->vol[idx], 0, sizeof(Vol));
894        /* Initialize some VOL parameters */
895        pVol->volID = idx;  /* Set VOL ID */
896        pVol->shortVideoHeader = pEncParams->H263_Enabled; /*Short Header */
897        pVol->GOVStart = pEncParams->GOV_Enabled; /* GOV Header */
898        pVol->timeIncrementResolution = video->encParams->TimeIncrementRes;
899        pVol->nbitsTimeIncRes = 1;
900        while (pVol->timeIncrementResolution > (1 << pVol->nbitsTimeIncRes))
901        {
902            pVol->nbitsTimeIncRes++;
903        }
904
905        /* timing stuff */
906        pVol->timeIncrement = 0;
907        pVol->moduloTimeBase = 0;
908        pVol->fixedVopRate = 0; /* No fixed VOP rate */
909        pVol->stream = (BitstreamEncVideo *)M4VENC_MALLOC(sizeof(BitstreamEncVideo)); /* allocate BitstreamEncVideo Instance */
910        if (pVol->stream == NULL)  goto CLEAN_UP;
911
912        pVol->width = pEncParams->LayerWidth[idx];      /* Layer Width */
913        pVol->height = pEncParams->LayerHeight[idx];    /* Layer Height */
914        //  pVol->intra_acdcPredDisable = pEncParams->ACDCPrediction; /* ACDC Prediction */
915        pVol->ResyncMarkerDisable = pEncParams->ResyncMarkerDisable; /* Resync Marker Mode */
916        pVol->dataPartitioning = pEncParams->DataPartitioning; /* Data Partitioning */
917        pVol->useReverseVLC = pEncParams->ReversibleVLC; /* RVLC */
918        if (idx > 0) /* Scalability layers */
919        {
920            pVol->ResyncMarkerDisable = 1;
921            pVol->dataPartitioning = 0;
922            pVol->useReverseVLC = 0; /*  No RVLC */
923        }
924        pVol->quantType = pEncParams->QuantType[idx];           /* Quantizer Type */
925
926        /* no need to init Quant Matrices */
927
928        pVol->scalability = 0;  /* Vol Scalability */
929        if (idx > 0)
930            pVol->scalability = 1; /* Multiple layers => Scalability */
931
932        /* Initialize Vol to Temporal scalability.  It can change during encoding */
933        pVol->scalType = 1;
934        /* Initialize reference Vol ID to the base layer = 0 */
935        pVol->refVolID = 0;
936        /* Initialize layer resolution to same as the reference */
937        pVol->refSampDir = 0;
938        pVol->horSamp_m = 1;
939        pVol->horSamp_n = 1;
940        pVol->verSamp_m = 1;
941        pVol->verSamp_n = 1;
942        pVol->enhancementType = 0; /* We always enhance the entire region */
943
944        pVol->nMBPerRow = (pVol->width + 15) / 16;
945        pVol->nMBPerCol = (pVol->height + 15) / 16;
946        pVol->nTotalMB = pVol->nMBPerRow * pVol->nMBPerCol;
947
948        if (pVol->nTotalMB >= 1)
949            pVol->nBitsForMBID = 1;
950        if (pVol->nTotalMB >= 3)
951            pVol->nBitsForMBID = 2;
952        if (pVol->nTotalMB >= 5)
953            pVol->nBitsForMBID = 3;
954        if (pVol->nTotalMB >= 9)
955            pVol->nBitsForMBID = 4;
956        if (pVol->nTotalMB >= 17)
957            pVol->nBitsForMBID = 5;
958        if (pVol->nTotalMB >= 33)
959            pVol->nBitsForMBID = 6;
960        if (pVol->nTotalMB >= 65)
961            pVol->nBitsForMBID = 7;
962        if (pVol->nTotalMB >= 129)
963            pVol->nBitsForMBID = 8;
964        if (pVol->nTotalMB >= 257)
965            pVol->nBitsForMBID = 9;
966        if (pVol->nTotalMB >= 513)
967            pVol->nBitsForMBID = 10;
968        if (pVol->nTotalMB >= 1025)
969            pVol->nBitsForMBID = 11;
970        if (pVol->nTotalMB >= 2049)
971            pVol->nBitsForMBID = 12;
972        if (pVol->nTotalMB >= 4097)
973            pVol->nBitsForMBID = 13;
974        if (pVol->nTotalMB >= 8193)
975            pVol->nBitsForMBID = 14;
976        if (pVol->nTotalMB >= 16385)
977            pVol->nBitsForMBID = 15;
978        if (pVol->nTotalMB >= 32769)
979            pVol->nBitsForMBID = 16;
980        if (pVol->nTotalMB >= 65537)
981            pVol->nBitsForMBID = 17;
982        if (pVol->nTotalMB >= 131073)
983            pVol->nBitsForMBID = 18;
984
985        if (pVol->shortVideoHeader)
986        {
987            switch (pVol->width)
988            {
989                case 128:
990                    if (pVol->height == 96)  /* source_format = 1 */
991                    {
992                        pVol->nGOBinVop = 6;
993                        pVol->nMBinGOB = 8;
994                    }
995                    else
996                        status = PV_FALSE;
997                    break;
998
999                case 176:
1000                    if (pVol->height == 144)  /* source_format = 2 */
1001                    {
1002                        pVol->nGOBinVop = 9;
1003                        pVol->nMBinGOB = 11;
1004                    }
1005                    else
1006                        status = PV_FALSE;
1007                    break;
1008                case 352:
1009                    if (pVol->height == 288)  /* source_format = 2 */
1010                    {
1011                        pVol->nGOBinVop = 18;
1012                        pVol->nMBinGOB = 22;
1013                    }
1014                    else
1015                        status = PV_FALSE;
1016                    break;
1017
1018                case 704:
1019                    if (pVol->height == 576)  /* source_format = 2 */
1020                    {
1021                        pVol->nGOBinVop = 18;
1022                        pVol->nMBinGOB = 88;
1023                    }
1024                    else
1025                        status = PV_FALSE;
1026                    break;
1027                case 1408:
1028                    if (pVol->height == 1152)  /* source_format = 2 */
1029                    {
1030                        pVol->nGOBinVop = 18;
1031                        pVol->nMBinGOB = 352;
1032                    }
1033                    else
1034                        status = PV_FALSE;
1035                    break;
1036
1037                default:
1038                    status = PV_FALSE;
1039                    break;
1040            }
1041        }
1042    }
1043
1044    /***************************************************/
1045    /* allocate and initialize rate control parameters */
1046    /***************************************************/
1047
1048    /* BEGIN INITIALIZATION OF ANNEX L RATE CONTROL */
1049    if (video->encParams->RC_Type != CONSTANT_Q)
1050    {
1051        for (idx = 0; idx < nLayers; idx++) /* 12/25/00 */
1052        {
1053            video->rc[idx] =
1054                (rateControl *)M4VENC_MALLOC(sizeof(rateControl));
1055
1056            if (video->rc[idx] == NULL) goto CLEAN_UP;
1057
1058            M4VENC_MEMSET(video->rc[idx], 0, sizeof(rateControl));
1059        }
1060        if (PV_SUCCESS != RC_Initialize(video))
1061        {
1062            goto CLEAN_UP;
1063        }
1064        /* initialization for 2-pass rate control */
1065    }
1066    /* END INITIALIZATION OF ANNEX L RATE CONTROL */
1067
1068    /********** assign platform dependent functions ***********************/
1069    /* 1/23/01 */
1070    /* This must be done at run-time not a compile time */
1071    video->functionPointer = (FuncPtr*) M4VENC_MALLOC(sizeof(FuncPtr));
1072    if (video->functionPointer == NULL) goto CLEAN_UP;
1073
1074    video->functionPointer->ComputeMBSum = &ComputeMBSum_C;
1075    video->functionPointer->SAD_MB_HalfPel[0] = NULL;
1076    video->functionPointer->SAD_MB_HalfPel[1] = &SAD_MB_HalfPel_Cxh;
1077    video->functionPointer->SAD_MB_HalfPel[2] = &SAD_MB_HalfPel_Cyh;
1078    video->functionPointer->SAD_MB_HalfPel[3] = &SAD_MB_HalfPel_Cxhyh;
1079
1080#ifndef NO_INTER4V
1081    video->functionPointer->SAD_Blk_HalfPel = &SAD_Blk_HalfPel_C;
1082    video->functionPointer->SAD_Block = &SAD_Block_C;
1083#endif
1084    video->functionPointer->SAD_Macroblock = &SAD_Macroblock_C;
1085    video->functionPointer->ChooseMode = &ChooseMode_C;
1086    video->functionPointer->GetHalfPelMBRegion = &GetHalfPelMBRegion_C;
1087//  video->functionPointer->SAD_MB_PADDING = &SAD_MB_PADDING; /* 4/21/01 */
1088
1089
1090    encoderControl->videoEncoderInit = 1;  /* init done! */
1091
1092    return PV_TRUE;
1093
1094CLEAN_UP:
1095    PVCleanUpVideoEncoder(encoderControl);
1096
1097    return PV_FALSE;
1098}
1099
1100
1101/* ======================================================================== */
1102/*  Function : PVCleanUpVideoEncoder()                                      */
1103/*  Date     : 08/22/2000                                                   */
1104/*  Purpose  : Deallocates allocated memory from InitVideoEncoder()         */
1105/*  In/out   :                                                              */
1106/*  Return   : PV_TRUE if successed, PV_FALSE if failed.                    */
1107/*  Modified : 5/21/01, free only yChan in Vop                          */
1108/*                                                                          */
1109/* ======================================================================== */
1110
1111OSCL_EXPORT_REF Bool    PVCleanUpVideoEncoder(VideoEncControls *encoderControl)
1112{
1113    Int idx, i;
1114    VideoEncData *video = (VideoEncData *)encoderControl->videoEncoderData;
1115    int nTotalMB;
1116    int max_width, offset;
1117
1118#ifdef PRINT_RC_INFO
1119    if (facct != NULL)
1120    {
1121        fprintf(facct, "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n");
1122        fprintf(facct, "TOTAL NUM BITS GENERATED %d\n", tiTotalNumBitsGenerated);
1123        fprintf(facct, "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n");
1124        fprintf(facct, "TOTAL NUMBER OF FRAMES CODED %d\n",
1125                video->encParams->rc[0]->totalFrameNumber);
1126        fprintf(facct, "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n");
1127        fprintf(facct, "Average BitRate %d\n",
1128                (tiTotalNumBitsGenerated / (90 / 30)));
1129        fprintf(facct, "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n");
1130        fprintf(facct, "TOTAL NUMBER OF STUFF BITS %d\n", (iStuffBits + 10740));
1131        fprintf(facct, "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n");
1132        fprintf(facct, "TOTAL NUMBER OF BITS TO NETWORK %d\n", (35800*90 / 30));;
1133        fprintf(facct, "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n");
1134        fprintf(facct, "SUM OF STUFF BITS AND GENERATED BITS %d\n",
1135                (tiTotalNumBitsGenerated + iStuffBits + 10740));
1136        fprintf(facct, "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n");
1137        fprintf(facct, "UNACCOUNTED DIFFERENCE %d\n",
1138                ((35800*90 / 30) - (tiTotalNumBitsGenerated + iStuffBits + 10740)));
1139        fprintf(facct, "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n");
1140        fclose(facct);
1141    }
1142#endif
1143
1144#ifdef PRINT_EC
1145    fclose(fec);
1146#endif
1147
1148    if (video != NULL)
1149    {
1150
1151        if (video->QPMB) M4VENC_FREE(video->QPMB);
1152        if (video->headerInfo.Mode)M4VENC_FREE(video->headerInfo.Mode);
1153        if (video->headerInfo.CBP)M4VENC_FREE(video->headerInfo.CBP);
1154
1155
1156        if (video->mot)
1157        {
1158            nTotalMB = video->vol[0]->nTotalMB;
1159            for (idx = 1; idx < video->currLayer; idx++)
1160                if (video->vol[idx]->nTotalMB > nTotalMB)
1161                    nTotalMB = video->vol[idx]->nTotalMB;
1162            for (idx = 0; idx < nTotalMB; idx++)
1163            {
1164                if (video->mot[idx])
1165                    M4VENC_FREE(video->mot[idx]);
1166            }
1167            M4VENC_FREE(video->mot);
1168        }
1169
1170        if (video->intraArray) M4VENC_FREE(video->intraArray);
1171
1172        if (video->sliceNo)M4VENC_FREE(video->sliceNo);
1173        if (video->acPredFlag)M4VENC_FREE(video->acPredFlag);
1174//      if(video->predDCAC)M4VENC_FREE(video->predDCAC);
1175        if (video->predDC) M4VENC_FREE(video->predDC);
1176        video->predDCAC_row = NULL;
1177        if (video->predDCAC_col) M4VENC_FREE(video->predDCAC_col);
1178        if (video->outputMB)M4VENC_FREE(video->outputMB);
1179
1180        if (video->bitstream1)BitstreamCloseEnc(video->bitstream1);
1181        if (video->bitstream2)BitstreamCloseEnc(video->bitstream2);
1182        if (video->bitstream3)BitstreamCloseEnc(video->bitstream3);
1183
1184        if (video->overrunBuffer) M4VENC_FREE(video->overrunBuffer);
1185
1186        max_width = video->encParams->LayerWidth[0];
1187        max_width = (((max_width + 15) >> 4) << 4); /* 09/19/05 */
1188        if (video->encParams->H263_Enabled)
1189        {
1190            offset = 0;
1191        }
1192        else
1193        {
1194            offset = ((max_width + 32) << 4) + 16;
1195        }
1196
1197        if (video->currVop)
1198        {
1199            if (video->currVop->allChan)
1200            {
1201                M4VENC_FREE(video->currVop->allChan);
1202            }
1203            M4VENC_FREE(video->currVop);
1204        }
1205
1206        if (video->nextBaseVop)
1207        {
1208            if (video->nextBaseVop->allChan)
1209            {
1210                M4VENC_FREE(video->nextBaseVop->allChan);
1211            }
1212            M4VENC_FREE(video->nextBaseVop);
1213        }
1214
1215        if (video->prevBaseVop)
1216        {
1217            if (video->prevBaseVop->allChan)
1218            {
1219                M4VENC_FREE(video->prevBaseVop->allChan);
1220            }
1221            M4VENC_FREE(video->prevBaseVop);
1222        }
1223        if (video->prevEnhanceVop)
1224        {
1225            if (video->prevEnhanceVop->allChan)
1226            {
1227                M4VENC_FREE(video->prevEnhanceVop->allChan);
1228            }
1229            M4VENC_FREE(video->prevEnhanceVop);
1230        }
1231
1232        /* 04/09/01, for Vops in the use multipass processing */
1233        for (idx = 0; idx < video->encParams->nLayers; idx++)
1234        {
1235            if (video->pMP[idx])
1236            {
1237                if (video->pMP[idx]->pRDSamples)
1238                {
1239                    for (i = 0; i < 30; i++)
1240                    {
1241                        if (video->pMP[idx]->pRDSamples[i])
1242                            M4VENC_FREE(video->pMP[idx]->pRDSamples[i]);
1243                    }
1244                    M4VENC_FREE(video->pMP[idx]->pRDSamples);
1245                }
1246
1247                M4VENC_MEMSET(video->pMP[idx], 0, sizeof(MultiPass));
1248                M4VENC_FREE(video->pMP[idx]);
1249            }
1250        }
1251        /* //  End /////////////////////////////////////// */
1252
1253        if (video->vol)
1254        {
1255            for (idx = 0; idx < video->encParams->nLayers; idx++)
1256            {
1257                if (video->vol[idx])
1258                {
1259                    if (video->vol[idx]->stream)
1260                        M4VENC_FREE(video->vol[idx]->stream);
1261                    M4VENC_FREE(video->vol[idx]);
1262                }
1263            }
1264            M4VENC_FREE(video->vol);
1265        }
1266
1267        /***************************************************/
1268        /* stop rate control parameters */
1269        /***************************************************/
1270
1271        /* ANNEX L RATE CONTROL */
1272        if (video->encParams->RC_Type != CONSTANT_Q)
1273        {
1274            RC_Cleanup(video->rc, video->encParams->nLayers);
1275
1276            for (idx = 0; idx < video->encParams->nLayers; idx++)
1277            {
1278                if (video->rc[idx])
1279                    M4VENC_FREE(video->rc[idx]);
1280            }
1281        }
1282
1283        if (video->functionPointer) M4VENC_FREE(video->functionPointer);
1284
1285        /* If application has called PVCleanUpVideoEncoder then we deallocate */
1286        /* If PVInitVideoEncoder class it, then we DO NOT deallocate */
1287        if (video->encParams)
1288        {
1289            M4VENC_FREE(video->encParams);
1290        }
1291
1292        M4VENC_FREE(video);
1293        encoderControl->videoEncoderData = NULL; /* video */
1294    }
1295
1296    encoderControl->videoEncoderInit = 0;
1297
1298    return PV_TRUE;
1299}
1300
1301/* ======================================================================== */
1302/*  Function : PVGetVolHeader()                                             */
1303/*  Date     : 7/17/2001,                                                   */
1304/*  Purpose  :                                                              */
1305/*  In/out   :                                                              */
1306/*  Return   : PV_TRUE if successed, PV_FALSE if failed.                    */
1307/*  Modified :                                                              */
1308/*                                                                          */
1309/* ======================================================================== */
1310
1311OSCL_EXPORT_REF Bool PVGetVolHeader(VideoEncControls *encCtrl, UChar *volHeader, Int *size, Int layer)
1312{
1313    VideoEncData    *encData;
1314    PV_STATUS   EncodeVOS_Start(VideoEncControls *encCtrl);
1315    encData = (VideoEncData *)encCtrl->videoEncoderData;
1316
1317
1318    if (encData == NULL)
1319        return PV_FALSE;
1320    if (encData->encParams == NULL)
1321        return PV_FALSE;
1322
1323
1324    encData->currLayer = layer; /* Set Layer */
1325    /*pv_status = */
1326    EncodeVOS_Start(encCtrl); /* Encode VOL Header */
1327
1328    encData->encParams->GetVolHeader[layer] = 1; /* Set usage flag: Needed to support old method*/
1329
1330    /* Copy bitstream to buffer and set the size */
1331
1332    if (*size > encData->bitstream1->byteCount)
1333    {
1334        *size = encData->bitstream1->byteCount;
1335        M4VENC_MEMCPY(volHeader, encData->bitstream1->bitstreamBuffer, *size);
1336    }
1337    else
1338        return PV_FALSE;
1339
1340    /* Reset bitstream1 buffer parameters */
1341    BitstreamEncReset(encData->bitstream1);
1342
1343    return PV_TRUE;
1344}
1345
1346/* ======================================================================== */
1347/*  Function : PVGetOverrunBuffer()                                         */
1348/*  Purpose  : Get the overrun buffer `                                     */
1349/*  In/out   :                                                              */
1350/*  Return   : Pointer to overrun buffer.                                   */
1351/*  Modified :                                                              */
1352/* ======================================================================== */
1353
1354OSCL_EXPORT_REF UChar* PVGetOverrunBuffer(VideoEncControls *encCtrl)
1355{
1356    VideoEncData *video = (VideoEncData *)encCtrl->videoEncoderData;
1357    Int currLayer = video->currLayer;
1358    Vol *currVol = video->vol[currLayer];
1359
1360    if (currVol->stream->bitstreamBuffer != video->overrunBuffer) // not used
1361    {
1362        return NULL;
1363    }
1364
1365    return video->overrunBuffer;
1366}
1367
1368
1369
1370
1371/* ======================================================================== */
1372/*  Function : EncodeVideoFrame()                                           */
1373/*  Date     : 08/22/2000                                                   */
1374/*  Purpose  : Encode video frame and return bitstream                      */
1375/*  In/out   :                                                              */
1376/*  Return   : PV_TRUE if successed, PV_FALSE if failed.                    */
1377/*  Modified :                                                              */
1378/*  02.14.2001                                      */
1379/*              Finishing new timestamp 32-bit input                        */
1380/*              Applications need to take care of wrap-around               */
1381/* ======================================================================== */
1382OSCL_EXPORT_REF Bool PVEncodeVideoFrame(VideoEncControls *encCtrl, VideoEncFrameIO *vid_in, VideoEncFrameIO *vid_out,
1383                                        ULong *nextModTime, UChar *bstream, Int *size, Int *nLayer)
1384{
1385    Bool status = PV_TRUE;
1386    PV_STATUS pv_status;
1387    VideoEncData *video = (VideoEncData *)encCtrl->videoEncoderData;
1388    VideoEncParams *encParams = video->encParams;
1389    Vol *currVol;
1390    Vop *tempForwRefVop = NULL;
1391    Int tempRefSelCode = 0;
1392    PV_STATUS   EncodeVOS_Start(VideoEncControls *encCtrl);
1393    Int width_16, height_16;
1394    Int width, height;
1395    Vop *temp;
1396    Int encodeVop = 0;
1397    void  PaddingEdge(Vop *padVop);
1398    Int currLayer = -1;
1399    //Int nLayers = encParams->nLayers;
1400
1401    ULong modTime = vid_in->timestamp;
1402
1403#ifdef RANDOM_REFSELCODE   /* add random selection of reference Vop */
1404    Int random_val[30] = {0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 0};
1405    static Int rand_idx = 0;
1406#endif
1407
1408    /*******************************************************/
1409    /* Determine Next Vop to encode, if any, and nLayer    */
1410    /*******************************************************/
1411    //i = nLayers-1;
1412
1413    if (video->volInitialize[0]) /* first vol to code */
1414    {
1415        video->nextModTime = video->modTimeRef = ((modTime) - ((modTime) % 1000));
1416    }
1417
1418    encodeVop = DetermineCodingLayer(video, nLayer, modTime);
1419    currLayer = *nLayer;
1420    if ((currLayer < 0) || (currLayer > encParams->nLayers - 1))
1421        return PV_FALSE;
1422
1423    /******************************************/
1424    /* If post-skipping still effective --- return */
1425    /******************************************/
1426
1427    if (!encodeVop) /* skip enh layer, no base layer coded --- return */
1428    {
1429#ifdef _PRINT_STAT
1430        printf("No frame coded. Continue to next frame.");
1431#endif
1432        /* expected next code time, convert back to millisec */
1433        *nextModTime = video->nextModTime;
1434
1435#ifdef ALLOW_VOP_NOT_CODED
1436        if (video->vol[0]->shortVideoHeader) /* Short Video Header = 1 */
1437        {
1438            *size = 0;
1439            *nLayer = -1;
1440        }
1441        else
1442        {
1443            *nLayer = 0;
1444            EncodeVopNotCoded(video, bstream, size, modTime);
1445            *size = video->vol[0]->stream->byteCount;
1446        }
1447#else
1448        *size = 0;
1449        *nLayer = -1;
1450#endif
1451        return status;
1452    }
1453
1454
1455//ENCODE_VOP_AGAIN:  /* 12/30/00 */
1456
1457    /**************************************************************/
1458    /* Initialize Vol stream structure with application bitstream */
1459    /**************************************************************/
1460
1461    currVol = video->vol[currLayer];
1462    currVol->stream->bitstreamBuffer = bstream;
1463    currVol->stream->bufferSize = *size;
1464    BitstreamEncReset(currVol->stream);
1465    BitstreamSetOverrunBuffer(currVol->stream, video->overrunBuffer, video->oBSize, video);
1466
1467    /***********************************************************/
1468    /* Encode VOS and VOL Headers on first call for each layer */
1469    /***********************************************************/
1470
1471    if (video->volInitialize[currLayer])
1472    {
1473        video->currVop->timeInc = 0;
1474        video->prevBaseVop->timeInc = 0;
1475        if (!video->encParams->GetVolHeader[currLayer])
1476            pv_status = EncodeVOS_Start(encCtrl);
1477    }
1478
1479    /***************************************************/
1480    /* Copy Input Video Frame to Internal Video Buffer */
1481    /***************************************************/
1482    /* Determine Width and Height of Vop Layer */
1483
1484    width = encParams->LayerWidth[currLayer];   /* Get input width */
1485    height = encParams->LayerHeight[currLayer]; /* Get input height */
1486    /* Round Up to nearest multiple of 16 : MPEG-4 Standard */
1487
1488    width_16 = ((width + 15) / 16) * 16;            /* Round up to nearest multiple of 16 */
1489    height_16 = ((height + 15) / 16) * 16;          /* Round up to nearest multiple of 16 */
1490
1491    video->input = vid_in;  /* point to the frame input */
1492
1493    /*//  End ////////////////////////////// */
1494
1495
1496    /**************************************/
1497    /* Determine VOP Type                 */
1498    /* 6/2/2001, separate function      */
1499    /**************************************/
1500    DetermineVopType(video, currLayer);
1501
1502    /****************************/
1503    /*    Initialize VOP        */
1504    /****************************/
1505    video->currVop->volID = currVol->volID;
1506    video->currVop->width = width_16;
1507    video->currVop->height = height_16;
1508    if (video->encParams->H263_Enabled) /*  11/28/05 */
1509    {
1510        video->currVop->pitch = width_16;
1511    }
1512    else
1513    {
1514        video->currVop->pitch = width_16 + 32;
1515    }
1516    video->currVop->timeInc = currVol->timeIncrement;
1517    video->currVop->vopCoded = 1;
1518    video->currVop->roundingType = 0;
1519    video->currVop->intraDCVlcThr = encParams->IntraDCVlcThr;
1520
1521    if (currLayer == 0
1522#ifdef RANDOM_REFSELCODE   /* add random selection of reference Vop */
1523            || random_val[rand_idx] || video->volInitialize[currLayer]
1524#endif
1525       )
1526    {
1527        tempForwRefVop = video->forwardRefVop; /* keep initial state */
1528        if (tempForwRefVop != NULL) tempRefSelCode = tempForwRefVop->refSelectCode;
1529
1530        video->forwardRefVop = video->prevBaseVop;
1531        video->forwardRefVop->refSelectCode = 1;
1532    }
1533#ifdef RANDOM_REFSELCODE
1534    else
1535    {
1536        tempForwRefVop = video->forwardRefVop; /* keep initial state */
1537        if (tempForwRefVop != NULL) tempRefSelCode = tempForwRefVop->refSelectCode;
1538
1539        video->forwardRefVop = video->prevEnhanceVop;
1540        video->forwardRefVop->refSelectCode = 0;
1541    }
1542    rand_idx++;
1543    rand_idx %= 30;
1544#endif
1545
1546    video->currVop->refSelectCode = video->forwardRefVop->refSelectCode;
1547    video->currVop->gobNumber = 0;
1548    video->currVop->gobFrameID = video->currVop->predictionType;
1549    video->currVop->temporalRef = (modTime * 30 / 1001) % 256;
1550
1551    video->currVop->temporalInterval = 0;
1552
1553    if (video->currVop->predictionType == I_VOP)
1554        video->currVop->quantizer = encParams->InitQuantIvop[currLayer];
1555    else
1556        video->currVop->quantizer = encParams->InitQuantPvop[currLayer];
1557
1558
1559    /****************/
1560    /* Encode Vop */
1561    /****************/
1562    video->slice_coding = 0;
1563
1564    pv_status = EncodeVop(video);
1565#ifdef _PRINT_STAT
1566    if (video->currVop->predictionType == I_VOP)
1567        printf(" I-VOP ");
1568    else
1569        printf(" P-VOP (ref.%d)", video->forwardRefVop->refSelectCode);
1570#endif
1571
1572    /************************************/
1573    /* Update Skip Next Frame           */
1574    /************************************/
1575    *nLayer = UpdateSkipNextFrame(video, nextModTime, size, pv_status);
1576    if (*nLayer == -1) /* skip current frame */
1577    {
1578        /* make sure that pointers are restored to the previous state */
1579        if (currLayer == 0)
1580        {
1581            video->forwardRefVop = tempForwRefVop; /* For P-Vop base only */
1582            video->forwardRefVop->refSelectCode = tempRefSelCode;
1583        }
1584
1585        return status;
1586    }
1587
1588    /* If I-VOP was encoded, reset IntraPeriod */
1589    if ((currLayer == 0) && (encParams->IntraPeriod > 0) && (video->currVop->predictionType == I_VOP))
1590        video->nextEncIVop = encParams->IntraPeriod;
1591
1592    /* Set HintTrack Information */
1593    if (currLayer != -1)
1594    {
1595        if (currVol->prevModuloTimeBase)
1596            video->hintTrackInfo.MTB = 1;
1597        else
1598            video->hintTrackInfo.MTB = 0;
1599        video->hintTrackInfo.LayerID = (UChar)currVol->volID;
1600        video->hintTrackInfo.CodeType = (UChar)video->currVop->predictionType;
1601        video->hintTrackInfo.RefSelCode = (UChar)video->currVop->refSelectCode;
1602    }
1603
1604    /************************************************/
1605    /* Determine nLayer and timeInc for next encode */
1606    /* 12/27/00 always go by the highest layer*/
1607    /************************************************/
1608
1609    /**********************************************************/
1610    /* Copy Reconstructed Buffer to Output Video Frame Buffer */
1611    /**********************************************************/
1612    vid_out->yChan = video->currVop->yChan;
1613    vid_out->uChan = video->currVop->uChan;
1614    vid_out->vChan = video->currVop->vChan;
1615    if (video->encParams->H263_Enabled)
1616    {
1617        vid_out->height = video->currVop->height; /* padded height */
1618        vid_out->pitch = video->currVop->width; /* padded width */
1619    }
1620    else
1621    {
1622        vid_out->height = video->currVop->height + 32; /* padded height */
1623        vid_out->pitch = video->currVop->width + 32; /* padded width */
1624    }
1625    //video_out->timestamp = video->modTime;
1626    vid_out->timestamp = (ULong)(((video->prevFrameNum[currLayer] * 1000) / encParams->LayerFrameRate[currLayer]) + video->modTimeRef + 0.5);
1627
1628    /*// End /////////////////////// */
1629
1630    /***********************************/
1631    /* Update Ouput bstream byte count */
1632    /***********************************/
1633
1634    *size = currVol->stream->byteCount;
1635
1636    /****************************************/
1637    /* Swap Vop Pointers for Base Layer     */
1638    /****************************************/
1639    if (currLayer == 0)
1640    {
1641        temp = video->prevBaseVop;
1642        video->prevBaseVop = video->currVop;
1643        video->prevBaseVop->padded = 0; /* not padded */
1644        video->currVop  = temp;
1645        video->forwardRefVop = video->prevBaseVop; /* For P-Vop base only */
1646        video->forwardRefVop->refSelectCode = 1;
1647    }
1648    else
1649    {
1650        temp = video->prevEnhanceVop;
1651        video->prevEnhanceVop = video->currVop;
1652        video->prevEnhanceVop->padded = 0; /* not padded */
1653        video->currVop = temp;
1654        video->forwardRefVop = video->prevEnhanceVop;
1655        video->forwardRefVop->refSelectCode = 0;
1656    }
1657
1658    /****************************************/
1659    /* Modify the intialize flag at the end.*/
1660    /****************************************/
1661    if (video->volInitialize[currLayer])
1662        video->volInitialize[currLayer] = 0;
1663
1664    return status;
1665}
1666
1667#ifndef NO_SLICE_ENCODE
1668/* ======================================================================== */
1669/*  Function : PVEncodeFrameSet()                                           */
1670/*  Date     : 04/18/2000                                                   */
1671/*  Purpose  : Enter a video frame and perform front-end time check plus ME */
1672/*  In/out   :                                                              */
1673/*  Return   : PV_TRUE if successed, PV_FALSE if failed.                    */
1674/*  Modified :                                                              */
1675/*                                                                          */
1676/* ======================================================================== */
1677OSCL_EXPORT_REF Bool PVEncodeFrameSet(VideoEncControls *encCtrl, VideoEncFrameIO *vid_in, ULong *nextModTime, Int *nLayer)
1678{
1679    Bool status = PV_TRUE;
1680    VideoEncData *video = (VideoEncData *)encCtrl->videoEncoderData;
1681    VideoEncParams *encParams = video->encParams;
1682    Vol *currVol;
1683    PV_STATUS   EncodeVOS_Start(VideoEncControls *encCtrl);
1684    Int width_16, height_16;
1685    Int width, height;
1686    Int encodeVop = 0;
1687    void  PaddingEdge(Vop *padVop);
1688    Int currLayer = -1;
1689    //Int nLayers = encParams->nLayers;
1690
1691    ULong   modTime = vid_in->timestamp;
1692
1693#ifdef RANDOM_REFSELCODE   /* add random selection of reference Vop */
1694    Int random_val[30] = {0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 0};
1695    static Int rand_idx = 0;
1696#endif
1697    /*******************************************************/
1698    /* Determine Next Vop to encode, if any, and nLayer    */
1699    /*******************************************************/
1700
1701    video->modTime = modTime;
1702
1703    //i = nLayers-1;
1704
1705    if (video->volInitialize[0]) /* first vol to code */
1706    {
1707        video->nextModTime = video->modTimeRef = ((modTime) - ((modTime) % 1000));
1708    }
1709
1710
1711    encodeVop = DetermineCodingLayer(video, nLayer, modTime);
1712
1713    currLayer = *nLayer;
1714
1715    /******************************************/
1716    /* If post-skipping still effective --- return */
1717    /******************************************/
1718
1719    if (!encodeVop) /* skip enh layer, no base layer coded --- return */
1720    {
1721#ifdef _PRINT_STAT
1722        printf("No frame coded. Continue to next frame.");
1723#endif
1724        *nLayer = -1;
1725
1726        /* expected next code time, convert back to millisec */
1727        *nextModTime = video->nextModTime;;
1728        return status;
1729    }
1730
1731    /**************************************************************/
1732    /* Initialize Vol stream structure with application bitstream */
1733    /**************************************************************/
1734
1735    currVol = video->vol[currLayer];
1736    currVol->stream->bufferSize = 0;
1737    BitstreamEncReset(currVol->stream);
1738
1739    /***********************************************************/
1740    /* Encode VOS and VOL Headers on first call for each layer */
1741    /***********************************************************/
1742
1743    if (video->volInitialize[currLayer])
1744    {
1745        video->currVop->timeInc = 0;
1746        video->prevBaseVop->timeInc = 0;
1747    }
1748
1749    /***************************************************/
1750    /* Copy Input Video Frame to Internal Video Buffer */
1751    /***************************************************/
1752    /* Determine Width and Height of Vop Layer */
1753
1754    width = encParams->LayerWidth[currLayer];   /* Get input width */
1755    height = encParams->LayerHeight[currLayer]; /* Get input height */
1756    /* Round Up to nearest multiple of 16 : MPEG-4 Standard */
1757
1758    width_16 = ((width + 15) / 16) * 16;            /* Round up to nearest multiple of 16 */
1759    height_16 = ((height + 15) / 16) * 16;          /* Round up to nearest multiple of 16 */
1760
1761    video->input = vid_in;  /* point to the frame input */
1762
1763    /*//  End ////////////////////////////// */
1764
1765
1766    /**************************************/
1767    /* Determine VOP Type                 */
1768    /* 6/2/2001, separate function      */
1769    /**************************************/
1770    DetermineVopType(video, currLayer);
1771
1772    /****************************/
1773    /*    Initialize VOP        */
1774    /****************************/
1775    video->currVop->volID = currVol->volID;
1776    video->currVop->width = width_16;
1777    video->currVop->height = height_16;
1778    if (video->encParams->H263_Enabled) /*  11/28/05 */
1779    {
1780        video->currVop->pitch = width_16;
1781    }
1782    else
1783    {
1784        video->currVop->pitch = width_16 + 32;
1785    }
1786    video->currVop->timeInc = currVol->timeIncrement;
1787    video->currVop->vopCoded = 1;
1788    video->currVop->roundingType = 0;
1789    video->currVop->intraDCVlcThr = encParams->IntraDCVlcThr;
1790
1791    if (currLayer == 0
1792#ifdef RANDOM_REFSELCODE   /* add random selection of reference Vop */
1793            || random_val[rand_idx] || video->volInitialize[currLayer]
1794#endif
1795       )
1796    {
1797        video->tempForwRefVop = video->forwardRefVop; /* keep initial state */
1798        if (video->tempForwRefVop != NULL) video->tempRefSelCode = video->tempForwRefVop->refSelectCode;
1799
1800        video->forwardRefVop = video->prevBaseVop;
1801        video->forwardRefVop->refSelectCode = 1;
1802    }
1803#ifdef RANDOM_REFSELCODE
1804    else
1805    {
1806        video->tempForwRefVop = video->forwardRefVop; /* keep initial state */
1807        if (video->tempForwRefVop != NULL) video->tempRefSelCode = video->tempForwRefVop->refSelectCode;
1808
1809        video->forwardRefVop = video->prevEnhanceVop;
1810        video->forwardRefVop->refSelectCode = 0;
1811    }
1812    rand_idx++;
1813    rand_idx %= 30;
1814#endif
1815
1816    video->currVop->refSelectCode = video->forwardRefVop->refSelectCode;
1817    video->currVop->gobNumber = 0;
1818    video->currVop->gobFrameID = video->currVop->predictionType;
1819    video->currVop->temporalRef = ((modTime) * 30 / 1001) % 256;
1820
1821    video->currVop->temporalInterval = 0;
1822
1823    if (video->currVop->predictionType == I_VOP)
1824        video->currVop->quantizer = encParams->InitQuantIvop[currLayer];
1825    else
1826        video->currVop->quantizer = encParams->InitQuantPvop[currLayer];
1827
1828    /****************/
1829    /* Encode Vop   */
1830    /****************/
1831    video->slice_coding = 1;
1832
1833    /*pv_status =*/
1834    EncodeVop(video);
1835
1836#ifdef _PRINT_STAT
1837    if (video->currVop->predictionType == I_VOP)
1838        printf(" I-VOP ");
1839    else
1840        printf(" P-VOP (ref.%d)", video->forwardRefVop->refSelectCode);
1841#endif
1842
1843    /* Set HintTrack Information */
1844    if (currVol->prevModuloTimeBase)
1845        video->hintTrackInfo.MTB = 1;
1846    else
1847        video->hintTrackInfo.MTB = 0;
1848
1849    video->hintTrackInfo.LayerID = (UChar)currVol->volID;
1850    video->hintTrackInfo.CodeType = (UChar)video->currVop->predictionType;
1851    video->hintTrackInfo.RefSelCode = (UChar)video->currVop->refSelectCode;
1852
1853    return status;
1854}
1855#endif /* NO_SLICE_ENCODE */
1856
1857#ifndef NO_SLICE_ENCODE
1858/* ======================================================================== */
1859/*  Function : PVEncodePacket()                                             */
1860/*  Date     : 04/18/2002                                                   */
1861/*  Purpose  : Encode one packet and return bitstream                       */
1862/*  In/out   :                                                              */
1863/*  Return   : PV_TRUE if successed, PV_FALSE if failed.                    */
1864/*  Modified :                                                              */
1865/*                                                                          */
1866/* ======================================================================== */
1867OSCL_EXPORT_REF Bool PVEncodeSlice(VideoEncControls *encCtrl, UChar *bstream, Int *size,
1868                                   Int *endofFrame, VideoEncFrameIO *vid_out, ULong *nextModTime)
1869{
1870    PV_STATUS pv_status;
1871    VideoEncData *video = (VideoEncData *)encCtrl->videoEncoderData;
1872    VideoEncParams *encParams = video->encParams;
1873    Vol *currVol;
1874    PV_STATUS   EncodeVOS_Start(VideoEncControls *encCtrl);
1875    Vop *temp;
1876    void  PaddingEdge(Vop *padVop);
1877    Int currLayer = video->currLayer;
1878    Int pre_skip;
1879    Int pre_size;
1880    /**************************************************************/
1881    /* Initialize Vol stream structure with application bitstream */
1882    /**************************************************************/
1883
1884    currVol = video->vol[currLayer];
1885    currVol->stream->bitstreamBuffer = bstream;
1886    pre_size = currVol->stream->byteCount;
1887    currVol->stream->bufferSize = pre_size + (*size);
1888
1889    /***********************************************************/
1890    /* Encode VOS and VOL Headers on first call for each layer */
1891    /***********************************************************/
1892
1893    if (video->volInitialize[currLayer])
1894    {
1895        if (!video->encParams->GetVolHeader[currLayer])
1896            pv_status = EncodeVOS_Start(encCtrl);
1897    }
1898
1899    /****************/
1900    /* Encode Slice */
1901    /****************/
1902    pv_status = EncodeSlice(video);
1903
1904    *endofFrame = 0;
1905
1906    if (video->mbnum >= currVol->nTotalMB && !video->end_of_buf)
1907    {
1908        *endofFrame = 1;
1909
1910        /************************************/
1911        /* Update Skip Next Frame           */
1912        /************************************/
1913        pre_skip = UpdateSkipNextFrame(video, nextModTime, size, pv_status); /* modified such that no pre-skipped */
1914
1915        if (pre_skip == -1) /* error */
1916        {
1917            *endofFrame = -1;
1918            /* make sure that pointers are restored to the previous state */
1919            if (currLayer == 0)
1920            {
1921                video->forwardRefVop = video->tempForwRefVop; /* For P-Vop base only */
1922                video->forwardRefVop->refSelectCode = video->tempRefSelCode;
1923            }
1924
1925            return pv_status;
1926        }
1927
1928        /* If I-VOP was encoded, reset IntraPeriod */
1929        if ((currLayer == 0) && (encParams->IntraPeriod > 0) && (video->currVop->predictionType == I_VOP))
1930            video->nextEncIVop = encParams->IntraPeriod;
1931
1932        /**********************************************************/
1933        /* Copy Reconstructed Buffer to Output Video Frame Buffer */
1934        /**********************************************************/
1935        vid_out->yChan = video->currVop->yChan;
1936        vid_out->uChan = video->currVop->uChan;
1937        vid_out->vChan = video->currVop->vChan;
1938        if (video->encParams->H263_Enabled)
1939        {
1940            vid_out->height = video->currVop->height; /* padded height */
1941            vid_out->pitch = video->currVop->width; /* padded width */
1942        }
1943        else
1944        {
1945            vid_out->height = video->currVop->height + 32; /* padded height */
1946            vid_out->pitch = video->currVop->width + 32; /* padded width */
1947        }
1948        //vid_out->timestamp = video->modTime;
1949        vid_out->timestamp = (ULong)(((video->prevFrameNum[currLayer] * 1000) / encParams->LayerFrameRate[currLayer]) + video->modTimeRef + 0.5);
1950
1951        /*// End /////////////////////// */
1952
1953        /****************************************/
1954        /* Swap Vop Pointers for Base Layer     */
1955        /****************************************/
1956
1957        if (currLayer == 0)
1958        {
1959            temp = video->prevBaseVop;
1960            video->prevBaseVop = video->currVop;
1961            video->prevBaseVop->padded = 0; /* not padded */
1962            video->currVop = temp;
1963            video->forwardRefVop = video->prevBaseVop; /* For P-Vop base only */
1964            video->forwardRefVop->refSelectCode = 1;
1965        }
1966        else
1967        {
1968            temp = video->prevEnhanceVop;
1969            video->prevEnhanceVop = video->currVop;
1970            video->prevEnhanceVop->padded = 0; /* not padded */
1971            video->currVop = temp;
1972            video->forwardRefVop = video->prevEnhanceVop;
1973            video->forwardRefVop->refSelectCode = 0;
1974        }
1975    }
1976
1977    /***********************************/
1978    /* Update Ouput bstream byte count */
1979    /***********************************/
1980
1981    *size = currVol->stream->byteCount - pre_size;
1982
1983    /****************************************/
1984    /* Modify the intialize flag at the end.*/
1985    /****************************************/
1986    if (video->volInitialize[currLayer])
1987        video->volInitialize[currLayer] = 0;
1988
1989    return pv_status;
1990}
1991#endif /* NO_SLICE_ENCODE */
1992
1993
1994/* ======================================================================== */
1995/*  Function : PVGetH263ProfileLevelID()                                    */
1996/*  Date     : 02/05/2003                                                   */
1997/*  Purpose  : Get H.263 Profile ID and level ID for profile 0              */
1998/*  In/out   : Profile ID=0, levelID is what we want                        */
1999/*  Return   : PV_TRUE if successed, PV_FALSE if failed.                    */
2000/*  Modified :                                                              */
2001/*  Note     : h263Level[8], rBR_bound[8], max_h263_framerate[2]            */
2002/*             max_h263_width[2], max_h263_height[2] are global             */
2003/*                                                                          */
2004/* ======================================================================== */
2005OSCL_EXPORT_REF Bool PVGetH263ProfileLevelID(VideoEncControls *encCtrl, Int *profileID, Int *levelID)
2006{
2007    VideoEncData *encData;
2008    Int width, height;
2009    float bitrate_r, framerate;
2010
2011
2012    /* For this version, we only support H.263 profile 0 */
2013    *profileID = 0;
2014
2015    *levelID = 0;
2016    encData = (VideoEncData *)encCtrl->videoEncoderData;
2017
2018    if (encData == NULL)
2019        return PV_FALSE;
2020    if (encData->encParams == NULL)
2021        return PV_FALSE;
2022
2023    if (!encData->encParams->H263_Enabled) return PV_FALSE;
2024
2025
2026    /* get image width, height, bitrate and framerate */
2027    width     = encData->encParams->LayerWidth[0];
2028    height    = encData->encParams->LayerHeight[0];
2029    bitrate_r = (float)(encData->encParams->LayerBitRate[0]) / (float)64000.0;
2030    framerate = encData->encParams->LayerFrameRate[0];
2031    if (!width || !height || !(bitrate_r > 0 && framerate > 0)) return PV_FALSE;
2032
2033    /* This is the most frequent case : level 10 */
2034    if (bitrate_r <= rBR_bound[1] && framerate <= max_h263_framerate[0] &&
2035            (width <= max_h263_width[0] && height <= max_h263_height[0]))
2036    {
2037        *levelID = h263Level[1];
2038        return PV_TRUE;
2039    }
2040    else if (bitrate_r > rBR_bound[4] ||
2041             (width > max_h263_width[1] || height > max_h263_height[1]) ||
2042             framerate > max_h263_framerate[1])    /* check the highest level 70 */
2043    {
2044        *levelID = h263Level[7];
2045        return PV_TRUE;
2046    }
2047    else   /* search level 20, 30, 40 */
2048    {
2049
2050        /* pick out level 20 */
2051        if (bitrate_r <= rBR_bound[2] &&
2052                ((width <= max_h263_width[0] && height <= max_h263_height[0] && framerate <= max_h263_framerate[1]) ||
2053                 (width <= max_h263_width[1] && height <= max_h263_height[1] && framerate <= max_h263_framerate[0])))
2054        {
2055            *levelID = h263Level[2];
2056            return PV_TRUE;
2057        }
2058        else   /* width, height and framerate are ok, now choose level 30 or 40 */
2059        {
2060            *levelID = (bitrate_r <= rBR_bound[3] ? h263Level[3] : h263Level[4]);
2061            return PV_TRUE;
2062        }
2063    }
2064}
2065
2066/* ======================================================================== */
2067/*  Function : PVGetMPEG4ProfileLevelID()                                   */
2068/*  Date     : 26/06/2008                                                   */
2069/*  Purpose  : Get MPEG4 Level after initialized                            */
2070/*  In/out   : profile_level according to interface                         */
2071/*  Return   : PV_TRUE if successed, PV_FALSE if failed.                    */
2072/*  Modified :                                                              */
2073/*                                                                          */
2074/* ======================================================================== */
2075OSCL_EXPORT_REF Bool PVGetMPEG4ProfileLevelID(VideoEncControls *encCtrl, Int *profile_level, Int nLayer)
2076{
2077    VideoEncData* video;
2078    Int i;
2079
2080    video = (VideoEncData *)encCtrl->videoEncoderData;
2081
2082    if (nLayer == 0)
2083    {
2084        for (i = 0; i < 8; i++)
2085        {
2086            if (video->encParams->ProfileLevel[0] == profile_level_code[i])
2087            {
2088                break;
2089            }
2090        }
2091        *profile_level = i;
2092    }
2093    else
2094    {
2095        for (i = 0; i < 8; i++)
2096        {
2097            if (video->encParams->ProfileLevel[0] == scalable_profile_level_code[i])
2098            {
2099                break;
2100            }
2101        }
2102        *profile_level = i + SIMPLE_SCALABLE_PROFILE_LEVEL0;
2103    }
2104
2105    return true;
2106}
2107
2108#ifndef LIMITED_API
2109/* ======================================================================== */
2110/*  Function : PVUpdateEncFrameRate                                         */
2111/*  Date     : 04/08/2002                                                   */
2112/*  Purpose  : Update target frame rates of the encoded base and enhance    */
2113/*             layer(if any) while encoding operation is ongoing            */
2114/*  In/out   :                                                              */
2115/*  Return   : PV_TRUE if successed, PV_FALSE if failed.                    */
2116/*  Modified :                                                              */
2117/*                                                                          */
2118/* ======================================================================== */
2119
2120OSCL_EXPORT_REF Bool PVUpdateEncFrameRate(VideoEncControls *encCtrl, float *frameRate)
2121{
2122    VideoEncData    *encData;
2123    Int i;// nTotalMB, mbPerSec;
2124
2125    encData = (VideoEncData *)encCtrl->videoEncoderData;
2126
2127    if (encData == NULL)
2128        return PV_FALSE;
2129    if (encData->encParams == NULL)
2130        return PV_FALSE;
2131
2132    /* Update the framerates for all the layers */
2133    for (i = 0; i < encData->encParams->nLayers; i++)
2134    {
2135
2136        /* New check: encoding framerate should be consistent with the given profile and level */
2137        //nTotalMB = (((encData->encParams->LayerWidth[i]+15)/16)*16)*(((encData->encParams->LayerHeight[i]+15)/16)*16)/(16*16);
2138        //mbPerSec = (Int)(nTotalMB * frameRate[i]);
2139        //if(mbPerSec > encData->encParams->LayerMaxMbsPerSec[i]) return PV_FALSE;
2140        if (frameRate[i] > encData->encParams->LayerMaxFrameRate[i]) return PV_FALSE; /* set by users or profile */
2141
2142        encData->encParams->LayerFrameRate[i] = frameRate[i];
2143    }
2144
2145    return RC_UpdateBXRCParams((void*) encData);
2146
2147}
2148#endif
2149#ifndef LIMITED_API
2150/* ======================================================================== */
2151/*  Function : PVUpdateBitRate                                              */
2152/*  Date     : 04/08/2002                                                   */
2153/*  Purpose  : Update target bit rates of the encoded base and enhance      */
2154/*             layer(if any) while encoding operation is ongoing            */
2155/*  In/out   :                                                              */
2156/*  Return   : PV_TRUE if successed, PV_FALSE if failed.                    */
2157/*  Modified :                                                              */
2158/*                                                                          */
2159/* ======================================================================== */
2160
2161OSCL_EXPORT_REF Bool PVUpdateBitRate(VideoEncControls *encCtrl, Int *bitRate)
2162{
2163    VideoEncData    *encData;
2164    Int i;
2165
2166    encData = (VideoEncData *)encCtrl->videoEncoderData;
2167
2168    if (encData == NULL)
2169        return PV_FALSE;
2170    if (encData->encParams == NULL)
2171        return PV_FALSE;
2172
2173    /* Update the bitrates for all the layers */
2174    for (i = 0; i < encData->encParams->nLayers; i++)
2175    {
2176        if (bitRate[i] > encData->encParams->LayerMaxBitRate[i]) /* set by users or profile */
2177        {
2178            return PV_FALSE;
2179        }
2180        encData->encParams->LayerBitRate[i] = bitRate[i];
2181    }
2182
2183    return RC_UpdateBXRCParams((void*) encData);
2184
2185}
2186#endif
2187#ifndef LIMITED_API
2188/* ============================================================================ */
2189/*  Function : PVUpdateVBVDelay()                                                   */
2190/*  Date     : 4/23/2004                                                        */
2191/*  Purpose  : Update VBV buffer size(in delay)                                 */
2192/*  In/out   :                                                                  */
2193/*  Return   : PV_TRUE if successed, PV_FALSE if failed.                        */
2194/*  Modified :                                                                  */
2195/*                                                                              */
2196/* ============================================================================ */
2197
2198Bool PVUpdateVBVDelay(VideoEncControls *encCtrl, float delay)
2199{
2200
2201    VideoEncData    *encData;
2202    Int total_bitrate, max_buffer_size;
2203    int index;
2204
2205    encData = (VideoEncData *)encCtrl->videoEncoderData;
2206
2207    if (encData == NULL)
2208        return PV_FALSE;
2209    if (encData->encParams == NULL)
2210        return PV_FALSE;
2211
2212    /* Check whether the input delay is valid based on the given profile */
2213    total_bitrate   = (encData->encParams->nLayers == 1 ? encData->encParams->LayerBitRate[0] :
2214                       encData->encParams->LayerBitRate[1]);
2215    index = encData->encParams->profile_table_index;
2216    max_buffer_size = (encData->encParams->nLayers == 1 ? profile_level_max_VBV_size[index] :
2217                       scalable_profile_level_max_VBV_size[index]);
2218
2219    if (total_bitrate*delay > (float)max_buffer_size)
2220        return PV_FALSE;
2221
2222    encData->encParams->VBV_delay = delay;
2223    return PV_TRUE;
2224
2225}
2226#endif
2227#ifndef LIMITED_API
2228/* ======================================================================== */
2229/*  Function : PVUpdateIFrameInterval()                                         */
2230/*  Date     : 04/10/2002                                                   */
2231/*  Purpose  : updates the INTRA frame refresh interval while encoding      */
2232/*             is ongoing                                                   */
2233/*  In/out   :                                                              */
2234/*  Return   : PV_TRUE if successed, PV_FALSE if failed.                    */
2235/*  Modified :                                                              */
2236/*                                                                          */
2237/* ======================================================================== */
2238
2239OSCL_EXPORT_REF Bool PVUpdateIFrameInterval(VideoEncControls *encCtrl, Int aIFramePeriod)
2240{
2241    VideoEncData    *encData;
2242
2243    encData = (VideoEncData *)encCtrl->videoEncoderData;
2244
2245    if (encData == NULL)
2246        return PV_FALSE;
2247    if (encData->encParams == NULL)
2248        return PV_FALSE;
2249
2250    encData->encParams->IntraPeriod = aIFramePeriod;
2251    return PV_TRUE;
2252}
2253#endif
2254#ifndef LIMITED_API
2255/* ======================================================================== */
2256/*  Function : PVSetNumIntraMBRefresh()                                     */
2257/*  Date     : 08/05/2003                                                   */
2258/*  Purpose  :                                                              */
2259/*  In/out   :                                                              */
2260/*  Return   : PV_TRUE if successed, PV_FALSE if failed.                    */
2261/*  Modified :                                                              */
2262/*                                                                          */
2263/* ======================================================================== */
2264OSCL_EXPORT_REF Bool    PVUpdateNumIntraMBRefresh(VideoEncControls *encCtrl, Int numMB)
2265{
2266    VideoEncData    *encData;
2267
2268    encData = (VideoEncData *)encCtrl->videoEncoderData;
2269
2270    if (encData == NULL)
2271        return PV_FALSE;
2272
2273    encData->encParams->Refresh = numMB;
2274
2275    return PV_TRUE;
2276}
2277#endif
2278#ifndef LIMITED_API
2279/* ======================================================================== */
2280/*  Function : PVIFrameRequest()                                            */
2281/*  Date     : 04/10/2002                                                   */
2282/*  Purpose  : encodes the next base frame as an I-Vop                      */
2283/*  In/out   :                                                              */
2284/*  Return   : PV_TRUE if successed, PV_FALSE if failed.                    */
2285/*  Modified :                                                              */
2286/*                                                                          */
2287/* ======================================================================== */
2288
2289OSCL_EXPORT_REF Bool PVIFrameRequest(VideoEncControls *encCtrl)
2290{
2291    VideoEncData    *encData;
2292
2293    encData = (VideoEncData *)encCtrl->videoEncoderData;
2294
2295    if (encData == NULL)
2296        return PV_FALSE;
2297    if (encData->encParams == NULL)
2298        return PV_FALSE;
2299
2300    encData->nextEncIVop = 1;
2301    return PV_TRUE;
2302}
2303#endif
2304#ifndef LIMITED_API
2305/* ======================================================================== */
2306/*  Function : PVGetEncMemoryUsage()                                        */
2307/*  Date     : 10/17/2000                                                   */
2308/*  Purpose  :                                                              */
2309/*  In/out   :                                                              */
2310/*  Return   : PV_TRUE if successed, PV_FALSE if failed.                    */
2311/*  Modified :                                                              */
2312/*                                                                          */
2313/* ======================================================================== */
2314
2315OSCL_EXPORT_REF Int PVGetEncMemoryUsage(VideoEncControls *encCtrl)
2316{
2317    VideoEncData    *encData;
2318
2319    encData = (VideoEncData *)encCtrl->videoEncoderData;
2320
2321    if (encData == NULL)
2322        return PV_FALSE;
2323    if (encData->encParams == NULL)
2324        return PV_FALSE;
2325    return encData->encParams->MemoryUsage;
2326}
2327#endif
2328
2329/* ======================================================================== */
2330/*  Function : PVGetHintTrack()                                             */
2331/*  Date     : 1/17/2001,                                                   */
2332/*  Purpose  :                                                              */
2333/*  In/out   :                                                              */
2334/*  Return   : PV_TRUE if successed, PV_FALSE if failed.                    */
2335/*  Modified :                                                              */
2336/*                                                                          */
2337/* ======================================================================== */
2338
2339OSCL_EXPORT_REF Bool PVGetHintTrack(VideoEncControls *encCtrl, MP4HintTrack *info)
2340{
2341    VideoEncData    *encData;
2342
2343    encData = (VideoEncData *)encCtrl->videoEncoderData;
2344
2345    if (encData == NULL)
2346        return PV_FALSE;
2347    if (encData->encParams == NULL)
2348        return PV_FALSE;
2349    info->MTB = encData->hintTrackInfo.MTB;
2350    info->LayerID = encData->hintTrackInfo.LayerID;
2351    info->CodeType = encData->hintTrackInfo.CodeType;
2352    info->RefSelCode = encData->hintTrackInfo.RefSelCode;
2353
2354    return PV_TRUE;
2355}
2356
2357/* ======================================================================== */
2358/*  Function : PVGetMaxVideoFrameSize()                                     */
2359/*  Date     : 7/17/2001,                                                   */
2360/*  Purpose  : Function merely returns the maximum buffer size              */
2361/*  In/out   :                                                              */
2362/*  Return   : PV_TRUE if successed, PV_FALSE if failed.                    */
2363/*  Modified :                                                              */
2364/*                                                                          */
2365/* ======================================================================== */
2366
2367OSCL_EXPORT_REF Bool PVGetMaxVideoFrameSize(VideoEncControls *encCtrl, Int *maxVideoFrameSize)
2368{
2369    VideoEncData    *encData;
2370
2371    encData = (VideoEncData *)encCtrl->videoEncoderData;
2372
2373    if (encData == NULL)
2374        return PV_FALSE;
2375    if (encData->encParams == NULL)
2376        return PV_FALSE;
2377
2378
2379
2380    *maxVideoFrameSize = encData->encParams->BufferSize[0];
2381
2382    if (encData->encParams->nLayers == 2)
2383        if (*maxVideoFrameSize < encData->encParams->BufferSize[1])
2384            *maxVideoFrameSize = encData->encParams->BufferSize[1];
2385    *maxVideoFrameSize >>= 3;   /* Convert to Bytes */
2386
2387    if (*maxVideoFrameSize <= 4000)
2388        *maxVideoFrameSize = 4000;
2389
2390    return PV_TRUE;
2391}
2392#ifndef LIMITED_API
2393/* ======================================================================== */
2394/*  Function : PVGetVBVSize()                                               */
2395/*  Date     : 4/15/2002                                                    */
2396/*  Purpose  : Function merely returns the maximum buffer size              */
2397/*  In/out   :                                                              */
2398/*  Return   : PV_TRUE if successed, PV_FALSE if failed.                    */
2399/*  Modified :                                                              */
2400/*                                                                          */
2401/* ======================================================================== */
2402
2403OSCL_EXPORT_REF Bool PVGetVBVSize(VideoEncControls *encCtrl, Int *VBVSize)
2404{
2405    VideoEncData    *encData;
2406
2407    encData = (VideoEncData *)encCtrl->videoEncoderData;
2408
2409    if (encData == NULL)
2410        return PV_FALSE;
2411    if (encData->encParams == NULL)
2412        return PV_FALSE;
2413
2414    *VBVSize = encData->encParams->BufferSize[0];
2415    if (encData->encParams->nLayers == 2)
2416        *VBVSize += encData->encParams->BufferSize[1];
2417
2418    return PV_TRUE;
2419
2420}
2421#endif
2422/* ======================================================================== */
2423/*  Function : EncodeVOS_Start()                                            */
2424/*  Date     : 08/22/2000                                                   */
2425/*  Purpose  : Encodes the VOS,VO, and VOL or Short Headers                 */
2426/*  In/out   :                                                              */
2427/*  Return   : PV_TRUE if successed, PV_FALSE if failed.                    */
2428/*  Modified :                                                              */
2429/*                                                                          */
2430/* ======================================================================== */
2431PV_STATUS EncodeVOS_Start(VideoEncControls *encoderControl)
2432{
2433
2434    VideoEncData *video = (VideoEncData *)encoderControl->videoEncoderData;
2435    Vol         *currVol = video->vol[video->currLayer];
2436    PV_STATUS status = PV_SUCCESS;
2437    //int profile_level=0x01;
2438    BitstreamEncVideo *stream = video->bitstream1;
2439    int i, j;
2440
2441    /********************************/
2442    /* Check for short_video_header */
2443    /********************************/
2444    if (currVol->shortVideoHeader == 1)
2445        return status;
2446    else
2447    {
2448        /* Short Video Header or M4V */
2449
2450        /**************************/
2451        /* VisualObjectSequence ()*/
2452        /**************************/
2453        status = BitstreamPutGT16Bits(stream, 32, SESSION_START_CODE);
2454        /*  Determine profile_level */
2455        status = BitstreamPutBits(stream, 8, video->encParams->ProfileLevel[video->currLayer]);
2456
2457        /******************/
2458        /* VisualObject() */
2459        /******************/
2460
2461        status = BitstreamPutGT16Bits(stream, 32, VISUAL_OBJECT_START_CODE);
2462        status = BitstreamPut1Bits(stream, 0x00); /* visual object identifier */
2463        status = BitstreamPutBits(stream, 4, 0x01); /* visual object Type == "video ID" */
2464        status = BitstreamPut1Bits(stream, 0x00); /* no video signal type */
2465
2466        /*temp   = */
2467        BitstreamMpeg4ByteAlignStuffing(stream);
2468
2469
2470        status = BitstreamPutGT16Bits(stream, 27, VO_START_CODE);/* byte align: should be 2 bits */
2471        status = BitstreamPutBits(stream, 5, 0x00);/*  Video ID = 0  */
2472
2473
2474
2475        /**********************/
2476        /* VideoObjectLayer() */
2477        /**********************/
2478        if (currVol->shortVideoHeader == 0)
2479        { /* M4V  else Short Video Header */
2480            status = BitstreamPutGT16Bits(stream, VOL_START_CODE_LENGTH, VOL_START_CODE);
2481            status = BitstreamPutBits(stream, 4, currVol->volID);/*  video_object_layer_id */
2482            status = BitstreamPut1Bits(stream, 0x00);/*  Random Access = 0  */
2483
2484            if (video->currLayer == 0)
2485                status = BitstreamPutBits(stream, 8, 0x01);/* Video Object Type Indication = 1  ... Simple Object Type */
2486            else
2487                status = BitstreamPutBits(stream, 8, 0x02);/* Video Object Type Indication = 2  ... Simple Scalable Object Type */
2488
2489            status = BitstreamPut1Bits(stream, 0x00);/*  is_object_layer_identifer = 0 */
2490
2491
2492            status = BitstreamPutBits(stream, 4, 0x01); /* aspect_ratio_info = 1 ... 1:1(Square) */
2493            status = BitstreamPut1Bits(stream, 0x00);/* vol_control_parameters = 0 */
2494            status = BitstreamPutBits(stream, 2, 0x00);/* video_object_layer_shape = 00 ... rectangular */
2495            status = BitstreamPut1Bits(stream, 0x01);/* marker bit */
2496            status = BitstreamPutGT8Bits(stream, 16, currVol->timeIncrementResolution);/* vop_time_increment_resolution */
2497            status = BitstreamPut1Bits(stream, 0x01);/* marker bit */
2498            status = BitstreamPut1Bits(stream, currVol->fixedVopRate);/* fixed_vop_rate = 0 */
2499
2500            /* For Rectangular VO layer shape */
2501            status = BitstreamPut1Bits(stream, 0x01);/* marker bit */
2502            status = BitstreamPutGT8Bits(stream, 13, currVol->width);/* video_object_layer_width */
2503            status = BitstreamPut1Bits(stream, 0x01);/* marker bit */
2504            status = BitstreamPutGT8Bits(stream, 13, currVol->height);/* video_object_layer_height */
2505            status = BitstreamPut1Bits(stream, 0x01);/*marker bit */
2506
2507            status = BitstreamPut1Bits(stream, 0x00);/*interlaced = 0 */
2508            status = BitstreamPut1Bits(stream, 0x01);/* obmc_disable = 1 */
2509            status = BitstreamPut1Bits(stream, 0x00);/* sprite_enable = 0 */
2510            status = BitstreamPut1Bits(stream, 0x00);/* not_8_bit = 0 */
2511            status = BitstreamPut1Bits(stream, currVol->quantType);/*   quant_type */
2512
2513            if (currVol->quantType)
2514            {
2515                status = BitstreamPut1Bits(stream, currVol->loadIntraQuantMat); /* Intra quant matrix */
2516                if (currVol->loadIntraQuantMat)
2517                {
2518                    for (j = 63; j >= 1; j--)
2519                        if (currVol->iqmat[*(zigzag_i+j)] != currVol->iqmat[*(zigzag_i+j-1)])
2520                            break;
2521                    if ((j == 1) && (currVol->iqmat[*(zigzag_i+j)] == currVol->iqmat[*(zigzag_i+j-1)]))
2522                        j = 0;
2523                    for (i = 0; i < j + 1; i++)
2524                        BitstreamPutBits(stream, 8, currVol->iqmat[*(zigzag_i+i)]);
2525                    if (j < 63)
2526                        BitstreamPutBits(stream, 8, 0);
2527                }
2528                else
2529                {
2530                    for (j = 0; j < 64; j++)
2531                        currVol->iqmat[j] = mpeg_iqmat_def[j];
2532
2533                }
2534                status = BitstreamPut1Bits(stream, currVol->loadNonIntraQuantMat); /* Non-Intra quant matrix */
2535                if (currVol->loadNonIntraQuantMat)
2536                {
2537                    for (j = 63; j >= 1; j--)
2538                        if (currVol->niqmat[*(zigzag_i+j)] != currVol->niqmat[*(zigzag_i+j-1)])
2539                            break;
2540                    if ((j == 1) && (currVol->niqmat[*(zigzag_i+j)] == currVol->niqmat[*(zigzag_i+j-1)]))
2541                        j = 0;
2542                    for (i = 0; i < j + 1; i++)
2543                        BitstreamPutBits(stream, 8, currVol->niqmat[*(zigzag_i+i)]);
2544                    if (j < 63)
2545                        BitstreamPutBits(stream, 8, 0);
2546                }
2547                else
2548                {
2549                    for (j = 0; j < 64; j++)
2550                        currVol->niqmat[j] = mpeg_nqmat_def[j];
2551                }
2552            }
2553
2554            status = BitstreamPut1Bits(stream, 0x01);   /* complexity_estimation_disable = 1 */
2555            status = BitstreamPut1Bits(stream, currVol->ResyncMarkerDisable);/* Resync_marker_disable */
2556            status = BitstreamPut1Bits(stream, currVol->dataPartitioning);/* Data partitioned */
2557
2558            if (currVol->dataPartitioning)
2559                status = BitstreamPut1Bits(stream, currVol->useReverseVLC); /* Reversible_vlc */
2560
2561
2562            if (currVol->scalability) /* Scalability*/
2563            {
2564
2565                status = BitstreamPut1Bits(stream, currVol->scalability);/* Scalability = 1 */
2566                status = BitstreamPut1Bits(stream, currVol->scalType);/* hierarchy _type ... Spatial= 0 and Temporal = 1 */
2567                status = BitstreamPutBits(stream, 4, currVol->refVolID);/* ref_layer_id  */
2568                status = BitstreamPut1Bits(stream, currVol->refSampDir);/* ref_layer_sampling_direc*/
2569                status = BitstreamPutBits(stream, 5, currVol->horSamp_n);/*hor_sampling_factor_n*/
2570                status = BitstreamPutBits(stream, 5, currVol->horSamp_m);/*hor_sampling_factor_m*/
2571                status = BitstreamPutBits(stream, 5, currVol->verSamp_n);/*vert_sampling_factor_n*/
2572                status = BitstreamPutBits(stream, 5, currVol->verSamp_m);/*vert_sampling_factor_m*/
2573                status = BitstreamPut1Bits(stream, currVol->enhancementType);/* enhancement_type*/
2574            }
2575            else /* No Scalability */
2576                status = BitstreamPut1Bits(stream, currVol->scalability);/* Scalability = 0 */
2577
2578            /*temp = */
2579            BitstreamMpeg4ByteAlignStuffing(stream); /* Byte align Headers for VOP */
2580        }
2581    }
2582
2583    return status;
2584}
2585
2586/* ======================================================================== */
2587/*  Function : VOS_End()                                                    */
2588/*  Date     : 08/22/2000                                                   */
2589/*  Purpose  : Visual Object Sequence End                                   */
2590/*  In/out   :                                                              */
2591/*  Return   : PV_TRUE if successed, PV_FALSE if failed.                    */
2592/*  Modified :                                                              */
2593/*                                                                          */
2594/* ======================================================================== */
2595
2596PV_STATUS VOS_End(VideoEncControls *encoderControl)
2597{
2598    PV_STATUS status = PV_SUCCESS;
2599    VideoEncData *video = (VideoEncData *)encoderControl->videoEncoderData;
2600    Vol         *currVol = video->vol[video->currLayer];
2601    BitstreamEncVideo *stream = currVol->stream;
2602
2603
2604    status = BitstreamPutBits(stream, SESSION_END_CODE, 32);
2605
2606    return status;
2607}
2608
2609/* ======================================================================== */
2610/*  Function : DetermineCodingLayer                                         */
2611/*  Date     : 06/02/2001                                                   */
2612/*  Purpose  : Find layer to code based on current mod time, assuming that
2613               it's time to encode enhanced layer.                          */
2614/*  In/out   :                                                              */
2615/*  Return   : Number of layer to code.                                     */
2616/*  Modified :                                                              */
2617/*                                                                          */
2618/* ======================================================================== */
2619
2620Int DetermineCodingLayer(VideoEncData *video, Int *nLayer, ULong modTime)
2621{
2622    Vol **vol = video->vol;
2623    VideoEncParams *encParams = video->encParams;
2624    Int numLayers = encParams->nLayers;
2625    UInt modTimeRef = video->modTimeRef;
2626    float *LayerFrameRate = encParams->LayerFrameRate;
2627    UInt frameNum[4], frameTick;
2628    ULong frameModTime, nextFrmModTime;
2629#ifdef REDUCE_FRAME_VARIANCE    /* To limit how close 2 frames can be */
2630    float frameInterval;
2631#endif
2632    float srcFrameInterval;
2633    Int frameInc;
2634    Int i, extra_skip;
2635    Int encodeVop = 0;
2636
2637    i = numLayers - 1;
2638
2639    if (modTime - video->nextModTime > ((ULong)(-1)) >> 1) /* next time wrapped around */
2640        return 0; /* not time to code it yet */
2641
2642    video->relLayerCodeTime[i] -= 1000;
2643    video->nextEncIVop--;  /* number of Vops in highest layer resolution. */
2644    video->numVopsInGOP++;
2645
2646    /* from this point frameModTime and nextFrmModTime are internal */
2647
2648    frameNum[i] = (UInt)((modTime - modTimeRef) * LayerFrameRate[i] + 500) / 1000;
2649    if (video->volInitialize[i])
2650    {
2651        video->prevFrameNum[i] = frameNum[i] - 1;
2652    }
2653    else if (frameNum[i] <= video->prevFrameNum[i])
2654    {
2655        return 0; /* do not encode this frame */
2656    }
2657
2658    /**** this part computes expected next frame *******/
2659    frameModTime = (ULong)(((frameNum[i] * 1000) / LayerFrameRate[i]) + modTimeRef + 0.5); /* rec. time */
2660    nextFrmModTime = (ULong)((((frameNum[i] + 1) * 1000) / LayerFrameRate[i]) + modTimeRef + 0.5); /* rec. time */
2661
2662    srcFrameInterval = 1000 / video->FrameRate;
2663
2664    video->nextModTime = nextFrmModTime - (ULong)(srcFrameInterval / 2.) - 1; /* between current and next frame */
2665
2666#ifdef REDUCE_FRAME_VARIANCE    /* To limit how close 2 frames can be */
2667    frameInterval = 1000 / LayerFrameRate[i]; /* next rec. time */
2668    delta = (Int)(frameInterval / 4); /* empirical number */
2669    if (video->nextModTime - modTime  < (ULong)delta) /* need to move nextModTime further. */
2670    {
2671        video->nextModTime += ((delta - video->nextModTime + modTime)); /* empirical formula  */
2672    }
2673#endif
2674    /****************************************************/
2675
2676    /* map frame no.to tick from modTimeRef */
2677    /*frameTick = (frameNum[i]*vol[i]->timeIncrementResolution) ;
2678    frameTick = (UInt)((frameTick + (encParams->LayerFrameRate[i]/2))/encParams->LayerFrameRate[i]);*/
2679    /*  11/16/01, change frameTick to be the closest tick from the actual modTime */
2680    /*  12/12/02, add (double) to prevent large number wrap-around */
2681    frameTick = (Int)(((double)(modTime - modTimeRef) * vol[i]->timeIncrementResolution + 500) / 1000);
2682
2683    /* find timeIncrement to be put in the bitstream */
2684    /* refTick is second boundary reference. */
2685    vol[i]->timeIncrement = frameTick - video->refTick[i];
2686
2687
2688    vol[i]->moduloTimeBase = 0;
2689    while (vol[i]->timeIncrement >= vol[i]->timeIncrementResolution)
2690    {
2691        vol[i]->timeIncrement -= vol[i]->timeIncrementResolution;
2692        vol[i]->moduloTimeBase++;
2693        /* do not update refTick and modTimeRef yet, do it after encoding!! */
2694    }
2695
2696    if (video->relLayerCodeTime[i] <= 0)    /* no skipping */
2697    {
2698        encodeVop = 1;
2699        video->currLayer = *nLayer = i;
2700        video->relLayerCodeTime[i] += 1000;
2701
2702        /* takes care of more dropped frame than expected */
2703        extra_skip = -1;
2704        frameInc = (frameNum[i] - video->prevFrameNum[i]);
2705        extra_skip += frameInc;
2706
2707        if (extra_skip > 0)
2708        {   /* update rc->Nr, rc->B, (rc->Rr)*/
2709            video->nextEncIVop -= extra_skip;
2710            video->numVopsInGOP += extra_skip;
2711            if (encParams->RC_Type != CONSTANT_Q)
2712            {
2713                RC_UpdateBuffer(video, i, extra_skip);
2714            }
2715        }
2716
2717    }
2718    /* update frame no. */
2719    video->prevFrameNum[i] = frameNum[i];
2720
2721    /* go through all lower layer */
2722    for (i = (numLayers - 2); i >= 0; i--)
2723    {
2724
2725        video->relLayerCodeTime[i] -= 1000;
2726
2727        /* find timeIncrement to be put in the bitstream */
2728        vol[i]->timeIncrement = frameTick - video->refTick[i];
2729
2730        if (video->relLayerCodeTime[i] <= 0) /* time to encode base */
2731        {
2732            /* 12/27/00 */
2733            encodeVop = 1;
2734            video->currLayer = *nLayer = i;
2735            video->relLayerCodeTime[i] +=
2736                (Int)((1000.0 * encParams->LayerFrameRate[numLayers-1]) / encParams->LayerFrameRate[i]);
2737
2738            vol[i]->moduloTimeBase = 0;
2739            while (vol[i]->timeIncrement >= vol[i]->timeIncrementResolution)
2740            {
2741                vol[i]->timeIncrement -= vol[i]->timeIncrementResolution;
2742                vol[i]->moduloTimeBase++;
2743                /* do not update refTick and modTimeRef yet, do it after encoding!! */
2744            }
2745
2746            /* takes care of more dropped frame than expected */
2747            frameNum[i] = (UInt)((frameModTime - modTimeRef) * encParams->LayerFrameRate[i] + 500) / 1000;
2748            if (video->volInitialize[i])
2749                video->prevFrameNum[i] = frameNum[i] - 1;
2750
2751            extra_skip = -1;
2752            frameInc = (frameNum[i] - video->prevFrameNum[i]);
2753            extra_skip += frameInc;
2754
2755            if (extra_skip > 0)
2756            {   /* update rc->Nr, rc->B, (rc->Rr)*/
2757                if (encParams->RC_Type != CONSTANT_Q)
2758                {
2759                    RC_UpdateBuffer(video, i, extra_skip);
2760                }
2761            }
2762            /* update frame no. */
2763            video->prevFrameNum[i] = frameNum[i];
2764        }
2765    }
2766
2767#ifdef _PRINT_STAT
2768    if (encodeVop)
2769        printf(" TI: %d ", vol[*nLayer]->timeIncrement);
2770#endif
2771
2772    return encodeVop;
2773}
2774
2775/* ======================================================================== */
2776/*  Function : DetermineVopType                                             */
2777/*  Date     : 06/02/2001                                                   */
2778/*  Purpose  : The name says it all.                                        */
2779/*  In/out   :                                                              */
2780/*  Return   : void .                                                       */
2781/*  Modified :                                                              */
2782/*                                                                          */
2783/* ======================================================================== */
2784
2785void DetermineVopType(VideoEncData *video, Int currLayer)
2786{
2787    VideoEncParams *encParams = video->encParams;
2788//  Vol *currVol = video->vol[currLayer];
2789
2790    if (encParams->IntraPeriod == 0) /* I-VOPs only */
2791    {
2792        if (video->currLayer > 0)
2793            video->currVop->predictionType = P_VOP;
2794        else
2795        {
2796            video->currVop->predictionType = I_VOP;
2797            if (video->numVopsInGOP >= 132)
2798                video->numVopsInGOP = 0;
2799        }
2800    }
2801    else if (encParams->IntraPeriod == -1)  /* IPPPPP... */
2802    {
2803
2804        /* maintain frame type if previous frame is pre-skipped, 06/02/2001 */
2805        if (encParams->RC_Type == CONSTANT_Q || video->rc[currLayer]->skip_next_frame != -1)
2806            video->currVop->predictionType = P_VOP;
2807
2808        if (video->currLayer == 0)
2809        {
2810            if (/*video->numVopsInGOP>=132 || */video->volInitialize[currLayer])
2811            {
2812                video->currVop->predictionType = I_VOP;
2813                video->numVopsInGOP = 0; /* force INTRA update every 132 base frames*/
2814                video->nextEncIVop = 1;
2815            }
2816            else if (video->nextEncIVop == 0 || video->currVop->predictionType == I_VOP)
2817            {
2818                video->numVopsInGOP = 0;
2819                video->nextEncIVop = 1;
2820            }
2821        }
2822    }
2823    else   /* IntraPeriod>0 : IPPPPPIPPPPPI... */
2824    {
2825
2826        /* maintain frame type if previous frame is pre-skipped, 06/02/2001 */
2827        if (encParams->RC_Type == CONSTANT_Q || video->rc[currLayer]->skip_next_frame != -1)
2828            video->currVop->predictionType = P_VOP;
2829
2830        if (currLayer == 0)
2831        {
2832            if (video->nextEncIVop <= 0 || video->currVop->predictionType == I_VOP)
2833            {
2834                video->nextEncIVop = encParams->IntraPeriod;
2835                video->currVop->predictionType = I_VOP;
2836                video->numVopsInGOP = 0;
2837            }
2838        }
2839    }
2840
2841    return ;
2842}
2843
2844/* ======================================================================== */
2845/*  Function : UpdateSkipNextFrame                                          */
2846/*  Date     : 06/02/2001                                                   */
2847/*  Purpose  : From rate control frame skipping decision, update timing
2848                related parameters.                                         */
2849/*  In/out   :                                                              */
2850/*  Return   : Current coded layer.                                         */
2851/*  Modified :                                                              */
2852/*                                                                          */
2853/* ======================================================================== */
2854
2855Int UpdateSkipNextFrame(VideoEncData *video, ULong *modTime, Int *size, PV_STATUS status)
2856{
2857    Int currLayer = video->currLayer;
2858    Int nLayer = currLayer;
2859    VideoEncParams *encParams = video->encParams;
2860    Int numLayers = encParams->nLayers;
2861    Vol *currVol = video->vol[currLayer];
2862    Vol **vol = video->vol;
2863    Int num_skip, extra_skip;
2864    Int i;
2865    UInt newRefTick, deltaModTime;
2866    UInt temp;
2867
2868    if (encParams->RC_Type != CONSTANT_Q)
2869    {
2870        if (video->volInitialize[0] && currLayer == 0)  /* always encode the first frame */
2871        {
2872            RC_ResetSkipNextFrame(video, currLayer);
2873            //return currLayer;  09/15/05
2874        }
2875        else
2876        {
2877            if (RC_GetSkipNextFrame(video, currLayer) < 0 || status == PV_END_OF_BUF)   /* Skip Current Frame */
2878            {
2879
2880#ifdef _PRINT_STAT
2881                printf("Skip current frame");
2882#endif
2883                currVol->moduloTimeBase = currVol->prevModuloTimeBase;
2884
2885                /*********************/
2886                /* prepare to return */
2887                /*********************/
2888                *size = 0;  /* Set Bitstream buffer to zero */
2889
2890                /* Determine nLayer and modTime for next encode */
2891
2892                *modTime = video->nextModTime;
2893                nLayer = -1;
2894
2895                return nLayer; /* return immediately without updating RefTick & modTimeRef */
2896                /* If I-VOP was attempted, then ensure next base is I-VOP */
2897                /*if((encParams->IntraPeriod>0) && (video->currVop->predictionType == I_VOP))
2898                video->nextEncIVop = 0; commented out by 06/05/01 */
2899
2900            }
2901            else if ((num_skip = RC_GetSkipNextFrame(video, currLayer)) > 0)
2902            {
2903
2904#ifdef _PRINT_STAT
2905                printf("Skip next %d frames", num_skip);
2906#endif
2907                /* to keep the Nr of enh layer the same */
2908                /* adjust relLayerCodeTime only, do not adjust layerCodeTime[numLayers-1] */
2909                extra_skip = 0;
2910                for (i = 0; i < currLayer; i++)
2911                {
2912                    if (video->relLayerCodeTime[i] <= 1000)
2913                    {
2914                        extra_skip = 1;
2915                        break;
2916                    }
2917                }
2918
2919                for (i = currLayer; i < numLayers; i++)
2920                {
2921                    video->relLayerCodeTime[i] += (num_skip + extra_skip) *
2922                                                  ((Int)((1000.0 * encParams->LayerFrameRate[numLayers-1]) / encParams->LayerFrameRate[i]));
2923                }
2924            }
2925        }/* first frame */
2926    }
2927    /*****  current frame is encoded, now update refTick ******/
2928
2929    video->refTick[currLayer] += vol[currLayer]->prevModuloTimeBase * vol[currLayer]->timeIncrementResolution;
2930
2931    /* Reset layerCodeTime every I-VOP to prevent overflow */
2932    if (currLayer == 0)
2933    {
2934        /*  12/12/02, fix for weird targer frame rate of 9.99 fps or 3.33 fps */
2935        if (((encParams->IntraPeriod != 0) /*&& (video->currVop->predictionType==I_VOP)*/) ||
2936                ((encParams->IntraPeriod == 0) && (video->numVopsInGOP == 0)))
2937        {
2938            newRefTick = video->refTick[0];
2939
2940            for (i = 1; i < numLayers; i++)
2941            {
2942                if (video->refTick[i] < newRefTick)
2943                    newRefTick = video->refTick[i];
2944            }
2945
2946            /* check to make sure that the update is integer multiple of frame number */
2947            /* how many msec elapsed from last modTimeRef */
2948            deltaModTime = (newRefTick / vol[0]->timeIncrementResolution) * 1000;
2949
2950            for (i = numLayers - 1; i >= 0; i--)
2951            {
2952                temp = (UInt)(deltaModTime * encParams->LayerFrameRate[i]); /* 12/12/02 */
2953                if (temp % 1000)
2954                    newRefTick = 0;
2955
2956            }
2957            if (newRefTick > 0)
2958            {
2959                video->modTimeRef += deltaModTime;
2960                for (i = numLayers - 1; i >= 0; i--)
2961                {
2962                    video->prevFrameNum[i] -= (UInt)(deltaModTime * encParams->LayerFrameRate[i]) / 1000;
2963                    video->refTick[i] -= newRefTick;
2964                }
2965            }
2966        }
2967    }
2968
2969    *modTime =  video->nextModTime;
2970
2971    return nLayer;
2972}
2973
2974
2975#ifndef ORIGINAL_VERSION
2976
2977/* ======================================================================== */
2978/*  Function : SetProfile_BufferSize                                        */
2979/*  Date     : 04/08/2002                                                   */
2980/*  Purpose  : Set profile and video buffer size, copied from Jim's code    */
2981/*             in PVInitVideoEncoder(.), since we have different places     */
2982/*             to reset profile and video buffer size                       */
2983/*  In/out   :                                                              */
2984/*  Return   :                                                              */
2985/*  Modified :                                                              */
2986/*                                                                          */
2987/* ======================================================================== */
2988
2989Bool SetProfile_BufferSize(VideoEncData *video, float delay, Int bInitialized)
2990{
2991    Int i, j, start, end;
2992//  Int BaseMBsPerSec = 0, EnhMBsPerSec = 0;
2993    Int nTotalMB = 0;
2994    Int idx, temp_w, temp_h, max = 0, max_width, max_height;
2995
2996    Int nLayers = video->encParams->nLayers; /* Number of Layers to be encoded */
2997
2998    Int total_bitrate = 0, base_bitrate;
2999    Int total_packet_size = 0, base_packet_size;
3000    Int total_MBsPerSec = 0, base_MBsPerSec;
3001    Int total_VBV_size = 0, base_VBV_size, enhance_VBV_size = 0;
3002    float total_framerate, base_framerate;
3003    float upper_bound_ratio;
3004    Int bFound = 0;
3005    Int k = 0, width16, height16, index;
3006    Int lowest_level;
3007
3008#define MIN_BUFF    16000 /* 16k minimum buffer size */
3009#define BUFF_CONST  2.0    /* 2000ms */
3010#define UPPER_BOUND_RATIO 8.54 /* upper_bound = 1.4*(1.1+bound/10)*bitrate/framerate */
3011
3012#define QCIF_WIDTH  176
3013#define QCIF_HEIGHT 144
3014
3015    index = video->encParams->profile_table_index;
3016
3017    /* Calculate "nTotalMB" */
3018    /* Find the maximum width*height for memory allocation of the VOPs */
3019    for (idx = 0; idx < nLayers; idx++)
3020    {
3021        temp_w = video->encParams->LayerWidth[idx];
3022        temp_h = video->encParams->LayerHeight[idx];
3023
3024        if ((temp_w*temp_h) > max)
3025        {
3026            max = temp_w * temp_h;
3027            max_width = temp_w;
3028            max_height = temp_h;
3029            nTotalMB = ((max_width + 15) >> 4) * ((max_height + 15) >> 4);
3030        }
3031    }
3032    upper_bound_ratio = (video->encParams->RC_Type == CBR_LOWDELAY ? (float)5.0 : (float)UPPER_BOUND_RATIO);
3033
3034
3035    /* Get the basic information: bitrate, packet_size, MBs/s and VBV_size */
3036    base_bitrate        = video->encParams->LayerBitRate[0];
3037    if (video->encParams->LayerMaxBitRate[0] != 0) /* video->encParams->LayerMaxBitRate[0] == 0 means it has not been set */
3038    {
3039        base_bitrate    = PV_MAX(base_bitrate, video->encParams->LayerMaxBitRate[0]);
3040    }
3041    else /* if the max is not set, set it to the specified profile/level */
3042    {
3043        video->encParams->LayerMaxBitRate[0] = profile_level_max_bitrate[index];
3044    }
3045
3046    base_framerate      = video->encParams->LayerFrameRate[0];
3047    if (video->encParams->LayerMaxFrameRate[0] != 0)
3048    {
3049        base_framerate  = PV_MAX(base_framerate, video->encParams->LayerMaxFrameRate[0]);
3050    }
3051    else /* if the max is not set, set it to the specified profile/level */
3052    {
3053        video->encParams->LayerMaxFrameRate[0] = (float)profile_level_max_mbsPerSec[index] / nTotalMB;
3054    }
3055
3056    base_packet_size    = video->encParams->ResyncPacketsize;
3057    base_MBsPerSec      = (Int)(base_framerate * nTotalMB);
3058    base_VBV_size       = PV_MAX((Int)(base_bitrate * delay),
3059                                 (Int)(upper_bound_ratio * base_bitrate / base_framerate));
3060    base_VBV_size       = PV_MAX(base_VBV_size, MIN_BUFF);
3061
3062    /* if the buffer is larger than maximum buffer size, we'll clip it */
3063    if (base_VBV_size > profile_level_max_VBV_size[5])
3064        base_VBV_size = profile_level_max_VBV_size[5];
3065
3066
3067    /* Check if the buffer exceeds the maximum buffer size given the maximum profile and level */
3068    if (nLayers == 1 && base_VBV_size > profile_level_max_VBV_size[index])
3069        return FALSE;
3070
3071
3072    if (nLayers == 2)
3073    {
3074        total_bitrate       = video->encParams->LayerBitRate[1];
3075        if (video->encParams->LayerMaxBitRate[1] != 0)
3076        {
3077            total_bitrate   = PV_MIN(total_bitrate, video->encParams->LayerMaxBitRate[1]);
3078        }
3079        else /* if the max is not set, set it to the specified profile/level */
3080        {
3081            video->encParams->LayerMaxBitRate[1] = scalable_profile_level_max_bitrate[index];
3082        }
3083
3084        total_framerate     = video->encParams->LayerFrameRate[1];
3085        if (video->encParams->LayerMaxFrameRate[1] != 0)
3086        {
3087            total_framerate     = PV_MIN(total_framerate, video->encParams->LayerMaxFrameRate[1]);
3088        }
3089        else /* if the max is not set, set it to the specified profile/level */
3090        {
3091            video->encParams->LayerMaxFrameRate[1] = (float)scalable_profile_level_max_mbsPerSec[index] / nTotalMB;
3092        }
3093
3094        total_packet_size   = video->encParams->ResyncPacketsize;
3095        total_MBsPerSec     = (Int)(total_framerate * nTotalMB);
3096
3097        enhance_VBV_size    = PV_MAX((Int)((total_bitrate - base_bitrate) * delay),
3098                                     (Int)(upper_bound_ratio * (total_bitrate - base_bitrate) / (total_framerate - base_framerate)));
3099        enhance_VBV_size    = PV_MAX(enhance_VBV_size, MIN_BUFF);
3100
3101        total_VBV_size      = base_VBV_size + enhance_VBV_size;
3102
3103        /* if the buffer is larger than maximum buffer size, we'll clip it */
3104        if (total_VBV_size > scalable_profile_level_max_VBV_size[6])
3105        {
3106            total_VBV_size = scalable_profile_level_max_VBV_size[6];
3107            enhance_VBV_size = total_VBV_size - base_VBV_size;
3108        }
3109
3110        /* Check if the buffer exceeds the maximum buffer size given the maximum profile and level */
3111        if (total_VBV_size > scalable_profile_level_max_VBV_size[index])
3112            return FALSE;
3113    }
3114
3115
3116    if (!bInitialized) /* Has been initialized --> profile @ level has been figured out! */
3117    {
3118        video->encParams->BufferSize[0] = base_VBV_size;
3119        if (nLayers > 1)
3120            video->encParams->BufferSize[1] = enhance_VBV_size;
3121
3122        return PV_TRUE;
3123    }
3124
3125
3126    /* Profile @ level determination */
3127    if (nLayers == 1)
3128    {
3129        /* BASE ONLY : Simple Profile(SP) Or Core Profile(CP) */
3130        if (base_bitrate     > profile_level_max_bitrate[index]     ||
3131                base_packet_size > profile_level_max_packet_size[index] ||
3132                base_MBsPerSec   > profile_level_max_mbsPerSec[index]   ||
3133                base_VBV_size    > profile_level_max_VBV_size[index])
3134
3135            return PV_FALSE; /* Beyond the bound of Core Profile @ Level2 */
3136
3137        /* For H263/Short header, determine k*16384 */
3138        width16  = ((video->encParams->LayerWidth[0] + 15) >> 4) << 4;
3139        height16 = ((video->encParams->LayerHeight[0] + 15) >> 4) << 4;
3140        if (video->encParams->H263_Enabled)
3141        {
3142            k = 4;
3143            if (width16  == 2*QCIF_WIDTH && height16 == 2*QCIF_HEIGHT)  /* CIF */
3144                k = 16;
3145
3146            else if (width16  == 4*QCIF_WIDTH && height16 == 4*QCIF_HEIGHT)  /* 4CIF */
3147                k = 32;
3148
3149            else if (width16  == 8*QCIF_WIDTH && height16 == 8*QCIF_HEIGHT)  /* 16CIF */
3150                k = 64;
3151
3152            video->encParams->maxFrameSize  = k * 16384;
3153
3154            /* Make sure the buffer size is limited to the top profile and level: the Core profile and level 2 */
3155            if (base_VBV_size > (Int)(k*16384 + 4*(float)profile_level_max_bitrate[5]*1001.0 / 30000.0))
3156                base_VBV_size = (Int)(k * 16384 + 4 * (float)profile_level_max_bitrate[5] * 1001.0 / 30000.0);
3157
3158            if (base_VBV_size > (Int)(k*16384 + 4*(float)profile_level_max_bitrate[index]*1001.0 / 30000.0))
3159                return PV_FALSE;
3160        }
3161
3162        /* Search the appropriate profile@level index */
3163        if (!video->encParams->H263_Enabled &&
3164                (video->encParams->IntraDCVlcThr != 0 || video->encParams->SearchRange > 16))
3165        {
3166            lowest_level = 1; /* cannot allow SPL0 */
3167        }
3168        else
3169        {
3170            lowest_level = 0; /* SPL0 */
3171        }
3172
3173        for (i = lowest_level; i <= index; i++)
3174        {
3175            if (i != 4 && /* skip Core Profile@Level1 because the parameters in it are smaller than those in Simple Profile@Level3 */
3176                    base_bitrate     <= profile_level_max_bitrate[i]     &&
3177                    base_packet_size <= profile_level_max_packet_size[i] &&
3178                    base_MBsPerSec   <= profile_level_max_mbsPerSec[i]   &&
3179                    base_VBV_size    <= (video->encParams->H263_Enabled ? (Int)(k*16384 + 4*(float)profile_level_max_bitrate[i]*1001.0 / 30000.0) :
3180                                         profile_level_max_VBV_size[i]))
3181                break;
3182        }
3183        if (i > index) return PV_FALSE; /* Nothing found!! */
3184
3185        /* Found out the actual profile @ level : index "i" */
3186        if (i == 0)
3187        {
3188            /* For Simple Profile @ Level 0, we need to do one more check: image size <= QCIF */
3189            if (width16 > QCIF_WIDTH || height16 > QCIF_HEIGHT)
3190                i = 1; /* image size > QCIF, then set SP level1 */
3191        }
3192
3193        video->encParams->ProfileLevel[0] = profile_level_code[i];
3194        video->encParams->BufferSize[0]   = base_VBV_size;
3195
3196        if (video->encParams->LayerMaxBitRate[0] == 0)
3197            video->encParams->LayerMaxBitRate[0] = profile_level_max_bitrate[i];
3198
3199        if (video->encParams->LayerMaxFrameRate[0] == 0)
3200            video->encParams->LayerMaxFrameRate[0] = PV_MIN(30, (float)profile_level_max_mbsPerSec[i] / nTotalMB);
3201
3202        /* For H263/Short header, one special constraint for VBV buffer size */
3203        if (video->encParams->H263_Enabled)
3204            video->encParams->BufferSize[0] = (Int)(k * 16384 + 4 * (float)profile_level_max_bitrate[i] * 1001.0 / 30000.0);
3205
3206    }
3207    else
3208    {
3209        /* SCALABALE MODE: Simple Scalable Profile(SSP) Or Core Scalable Profile(CSP) */
3210
3211        if (total_bitrate       > scalable_profile_level_max_bitrate[index]     ||
3212                total_packet_size   > scalable_profile_level_max_packet_size[index] ||
3213                total_MBsPerSec     > scalable_profile_level_max_mbsPerSec[index]   ||
3214                total_VBV_size      > scalable_profile_level_max_VBV_size[index])
3215
3216            return PV_FALSE; /* Beyond given profile and level */
3217
3218        /* One-time check: Simple Scalable Profile or Core Scalable Profile */
3219        if (total_bitrate       <= scalable_profile_level_max_bitrate[2]        &&
3220                total_packet_size   <= scalable_profile_level_max_packet_size[2]    &&
3221                total_MBsPerSec     <= scalable_profile_level_max_mbsPerSec[2]      &&
3222                total_VBV_size      <= scalable_profile_level_max_VBV_size[2])
3223
3224        {
3225            start = 0;
3226            end = index;
3227        }
3228
3229        else
3230        {
3231            start = 4;
3232            end = index;
3233        }
3234
3235
3236        /* Search the scalable profile */
3237        for (i = start; i <= end; i++)
3238        {
3239            if (total_bitrate       <= scalable_profile_level_max_bitrate[i]     &&
3240                    total_packet_size   <= scalable_profile_level_max_packet_size[i] &&
3241                    total_MBsPerSec     <= scalable_profile_level_max_mbsPerSec[i]   &&
3242                    total_VBV_size      <= scalable_profile_level_max_VBV_size[i])
3243
3244                break;
3245        }
3246        if (i > end) return PV_FALSE;
3247
3248        /* Search the base profile */
3249        if (i == 0)
3250        {
3251            j = 0;
3252            bFound = 1;
3253        }
3254        else        bFound = 0;
3255
3256        for (j = start; !bFound && j <= i; j++)
3257        {
3258            if (base_bitrate        <= profile_level_max_bitrate[j]      &&
3259                    base_packet_size    <= profile_level_max_packet_size[j]  &&
3260                    base_MBsPerSec      <= profile_level_max_mbsPerSec[j]    &&
3261                    base_VBV_size       <= profile_level_max_VBV_size[j])
3262
3263            {
3264                bFound = 1;
3265                break;
3266            }
3267        }
3268
3269        if (!bFound) // && start == 4)
3270            return PV_FALSE; /* mis-match in the profiles between base layer and enhancement layer */
3271
3272        /* j for base layer, i for enhancement layer */
3273        video->encParams->ProfileLevel[0] = profile_level_code[j];
3274        video->encParams->ProfileLevel[1] = scalable_profile_level_code[i];
3275        video->encParams->BufferSize[0]   = base_VBV_size;
3276        video->encParams->BufferSize[1]   = enhance_VBV_size;
3277
3278        if (video->encParams->LayerMaxBitRate[0] == 0)
3279            video->encParams->LayerMaxBitRate[0] = profile_level_max_bitrate[j];
3280
3281        if (video->encParams->LayerMaxBitRate[1] == 0)
3282            video->encParams->LayerMaxBitRate[1] = scalable_profile_level_max_bitrate[i];
3283
3284        if (video->encParams->LayerMaxFrameRate[0] == 0)
3285            video->encParams->LayerMaxFrameRate[0] = PV_MIN(30, (float)profile_level_max_mbsPerSec[j] / nTotalMB);
3286
3287        if (video->encParams->LayerMaxFrameRate[1] == 0)
3288            video->encParams->LayerMaxFrameRate[1] = PV_MIN(30, (float)scalable_profile_level_max_mbsPerSec[i] / nTotalMB);
3289
3290
3291    } /* end of: if(nLayers == 1) */
3292
3293
3294    if (!video->encParams->H263_Enabled && (video->encParams->ProfileLevel[0] == 0x08)) /* SPL0 restriction*/
3295    {
3296        /* PV only allow frame-based rate control, no QP change from one MB to another
3297        if(video->encParams->ACDCPrediction == TRUE && MB-based rate control)
3298         return PV_FALSE */
3299    }
3300
3301    return PV_TRUE;
3302}
3303
3304#endif /* #ifndef ORIGINAL_VERSION */
3305
3306
3307
3308