SoftMPEG2.cpp revision 8f81045b9219cada36c7be7e6f0541cfa7bd94c8 
1/*
2 * Copyright 2015 The Android Open Source Project
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 express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17//#define LOG_NDEBUG 0
18#define LOG_TAG "SoftMPEG2"
19#include <utils/Log.h>
20
21#include "iv_datatypedef.h"
22#include "iv.h"
23#include "ivd.h"
24#include "ithread.h"
25#include "impeg2d.h"
26#include "SoftMPEG2.h"
27
28#include <media/stagefright/foundation/ADebug.h>
29#include <media/stagefright/MediaDefs.h>
30#include <OMX_VideoExt.h>
31
32namespace android {
33
34#define componentName                   "video_decoder.mpeg2"
35#define codingType                      OMX_VIDEO_CodingMPEG2
36#define CODEC_MIME_TYPE                 MEDIA_MIMETYPE_VIDEO_MPEG2
37
38/** Function and structure definitions to keep code similar for each codec */
39#define ivdec_api_function              impeg2d_api_function
40#define ivdext_init_ip_t                impeg2d_init_ip_t
41#define ivdext_init_op_t                impeg2d_init_op_t
42#define ivdext_fill_mem_rec_ip_t        impeg2d_fill_mem_rec_ip_t
43#define ivdext_fill_mem_rec_op_t        impeg2d_fill_mem_rec_op_t
44#define ivdext_ctl_set_num_cores_ip_t   impeg2d_ctl_set_num_cores_ip_t
45#define ivdext_ctl_set_num_cores_op_t   impeg2d_ctl_set_num_cores_op_t
46
47#define IVDEXT_CMD_CTL_SET_NUM_CORES    \
48        (IVD_CONTROL_API_COMMAND_TYPE_T)IMPEG2D_CMD_CTL_SET_NUM_CORES
49
50static const CodecProfileLevel kProfileLevels[] = {
51    { OMX_VIDEO_MPEG2ProfileSimple, OMX_VIDEO_MPEG2LevelLL  },
52    { OMX_VIDEO_MPEG2ProfileSimple, OMX_VIDEO_MPEG2LevelML  },
53    { OMX_VIDEO_MPEG2ProfileSimple, OMX_VIDEO_MPEG2LevelH14 },
54    { OMX_VIDEO_MPEG2ProfileSimple, OMX_VIDEO_MPEG2LevelHL  },
55
56    { OMX_VIDEO_MPEG2ProfileMain  , OMX_VIDEO_MPEG2LevelLL  },
57    { OMX_VIDEO_MPEG2ProfileMain  , OMX_VIDEO_MPEG2LevelML  },
58    { OMX_VIDEO_MPEG2ProfileMain  , OMX_VIDEO_MPEG2LevelH14 },
59    { OMX_VIDEO_MPEG2ProfileMain  , OMX_VIDEO_MPEG2LevelHL  },
60};
61
62SoftMPEG2::SoftMPEG2(
63        const char *name,
64        const OMX_CALLBACKTYPE *callbacks,
65        OMX_PTR appData,
66        OMX_COMPONENTTYPE **component)
67    : SoftVideoDecoderOMXComponent(
68            name, componentName, codingType,
69            kProfileLevels, ARRAY_SIZE(kProfileLevels),
70            320 /* width */, 240 /* height */, callbacks,
71            appData, component),
72      mMemRecords(NULL),
73      mFlushOutBuffer(NULL),
74      mOmxColorFormat(OMX_COLOR_FormatYUV420Planar),
75      mIvColorFormat(IV_YUV_420P),
76      mNewWidth(mWidth),
77      mNewHeight(mHeight),
78      mChangingResolution(false) {
79    initPorts(kNumBuffers, INPUT_BUF_SIZE, kNumBuffers, CODEC_MIME_TYPE);
80
81    // If input dump is enabled, then open create an empty file
82    GENERATE_FILE_NAMES();
83    CREATE_DUMP_FILE(mInFile);
84
85    CHECK_EQ(initDecoder(), (status_t)OK);
86}
87
88SoftMPEG2::~SoftMPEG2() {
89    CHECK_EQ(deInitDecoder(), (status_t)OK);
90}
91
92
93static size_t getMinTimestampIdx(OMX_S64 *pNTimeStamp, bool *pIsTimeStampValid) {
94    OMX_S64 minTimeStamp = LLONG_MAX;
95    int idx = -1;
96    for (size_t i = 0; i < MAX_TIME_STAMPS; i++) {
97        if (pIsTimeStampValid[i]) {
98            if (pNTimeStamp[i] < minTimeStamp) {
99                minTimeStamp = pNTimeStamp[i];
100                idx = i;
101            }
102        }
103    }
104    return idx;
105}
106
107static size_t GetCPUCoreCount() {
108    long cpuCoreCount = 1;
109#if defined(_SC_NPROCESSORS_ONLN)
110    cpuCoreCount = sysconf(_SC_NPROCESSORS_ONLN);
111#else
112    // _SC_NPROC_ONLN must be defined...
113    cpuCoreCount = sysconf(_SC_NPROC_ONLN);
114#endif
115    CHECK(cpuCoreCount >= 1);
116    ALOGV("Number of CPU cores: %ld", cpuCoreCount);
117    return (size_t)cpuCoreCount;
118}
119
120void SoftMPEG2::logVersion() {
121    ivd_ctl_getversioninfo_ip_t s_ctl_ip;
122    ivd_ctl_getversioninfo_op_t s_ctl_op;
123    UWORD8 au1_buf[512];
124    IV_API_CALL_STATUS_T status;
125
126    s_ctl_ip.e_cmd = IVD_CMD_VIDEO_CTL;
127    s_ctl_ip.e_sub_cmd = IVD_CMD_CTL_GETVERSION;
128    s_ctl_ip.u4_size = sizeof(ivd_ctl_getversioninfo_ip_t);
129    s_ctl_op.u4_size = sizeof(ivd_ctl_getversioninfo_op_t);
130    s_ctl_ip.pv_version_buffer = au1_buf;
131    s_ctl_ip.u4_version_buffer_size = sizeof(au1_buf);
132
133    status = ivdec_api_function(mCodecCtx, (void *)&s_ctl_ip, (void *)&s_ctl_op);
134
135    if (status != IV_SUCCESS) {
136        ALOGE("Error in getting version number: 0x%x",
137                s_ctl_op.u4_error_code);
138    } else {
139        ALOGV("Ittiam decoder version number: %s",
140                (char *)s_ctl_ip.pv_version_buffer);
141    }
142    return;
143}
144
145status_t SoftMPEG2::setParams(size_t stride) {
146    ivd_ctl_set_config_ip_t s_ctl_ip;
147    ivd_ctl_set_config_op_t s_ctl_op;
148    IV_API_CALL_STATUS_T status;
149    s_ctl_ip.u4_disp_wd = (UWORD32)stride;
150    s_ctl_ip.e_frm_skip_mode = IVD_SKIP_NONE;
151
152    s_ctl_ip.e_frm_out_mode = IVD_DISPLAY_FRAME_OUT;
153    s_ctl_ip.e_vid_dec_mode = IVD_DECODE_FRAME;
154    s_ctl_ip.e_cmd = IVD_CMD_VIDEO_CTL;
155    s_ctl_ip.e_sub_cmd = IVD_CMD_CTL_SETPARAMS;
156    s_ctl_ip.u4_size = sizeof(ivd_ctl_set_config_ip_t);
157    s_ctl_op.u4_size = sizeof(ivd_ctl_set_config_op_t);
158
159    ALOGV("Set the run-time (dynamic) parameters stride = %u", stride);
160    status = ivdec_api_function(mCodecCtx, (void *)&s_ctl_ip, (void *)&s_ctl_op);
161
162    if (status != IV_SUCCESS) {
163        ALOGE("Error in setting the run-time parameters: 0x%x",
164                s_ctl_op.u4_error_code);
165
166        return UNKNOWN_ERROR;
167    }
168    return OK;
169}
170
171status_t SoftMPEG2::resetPlugin() {
172    mIsInFlush = false;
173    mReceivedEOS = false;
174    memset(mTimeStamps, 0, sizeof(mTimeStamps));
175    memset(mTimeStampsValid, 0, sizeof(mTimeStampsValid));
176
177    /* Initialize both start and end times */
178    gettimeofday(&mTimeStart, NULL);
179    gettimeofday(&mTimeEnd, NULL);
180
181    return OK;
182}
183
184status_t SoftMPEG2::resetDecoder() {
185    ivd_ctl_reset_ip_t s_ctl_ip;
186    ivd_ctl_reset_op_t s_ctl_op;
187    IV_API_CALL_STATUS_T status;
188
189    s_ctl_ip.e_cmd = IVD_CMD_VIDEO_CTL;
190    s_ctl_ip.e_sub_cmd = IVD_CMD_CTL_RESET;
191    s_ctl_ip.u4_size = sizeof(ivd_ctl_reset_ip_t);
192    s_ctl_op.u4_size = sizeof(ivd_ctl_reset_op_t);
193
194    status = ivdec_api_function(mCodecCtx, (void *)&s_ctl_ip, (void *)&s_ctl_op);
195    if (IV_SUCCESS != status) {
196        ALOGE("Error in reset: 0x%x", s_ctl_op.u4_error_code);
197        return UNKNOWN_ERROR;
198    }
199
200    /* Set the run-time (dynamic) parameters */
201    setParams(outputBufferWidth());
202
203    /* Set number of cores/threads to be used by the codec */
204    setNumCores();
205
206    return OK;
207}
208
209status_t SoftMPEG2::setNumCores() {
210    ivdext_ctl_set_num_cores_ip_t s_set_cores_ip;
211    ivdext_ctl_set_num_cores_op_t s_set_cores_op;
212    IV_API_CALL_STATUS_T status;
213    s_set_cores_ip.e_cmd = IVD_CMD_VIDEO_CTL;
214    s_set_cores_ip.e_sub_cmd = IVDEXT_CMD_CTL_SET_NUM_CORES;
215    s_set_cores_ip.u4_num_cores = MIN(mNumCores, CODEC_MAX_NUM_CORES);
216    s_set_cores_ip.u4_size = sizeof(ivdext_ctl_set_num_cores_ip_t);
217    s_set_cores_op.u4_size = sizeof(ivdext_ctl_set_num_cores_op_t);
218
219    status = ivdec_api_function(mCodecCtx, (void *)&s_set_cores_ip, (void *)&s_set_cores_op);
220    if (IV_SUCCESS != status) {
221        ALOGE("Error in setting number of cores: 0x%x",
222                s_set_cores_op.u4_error_code);
223        return UNKNOWN_ERROR;
224    }
225    return OK;
226}
227
228status_t SoftMPEG2::setFlushMode() {
229    IV_API_CALL_STATUS_T status;
230    ivd_ctl_flush_ip_t s_video_flush_ip;
231    ivd_ctl_flush_op_t s_video_flush_op;
232
233    s_video_flush_ip.e_cmd = IVD_CMD_VIDEO_CTL;
234    s_video_flush_ip.e_sub_cmd = IVD_CMD_CTL_FLUSH;
235    s_video_flush_ip.u4_size = sizeof(ivd_ctl_flush_ip_t);
236    s_video_flush_op.u4_size = sizeof(ivd_ctl_flush_op_t);
237
238    /* Set the decoder in Flush mode, subsequent decode() calls will flush */
239    status = ivdec_api_function(
240            mCodecCtx, (void *)&s_video_flush_ip, (void *)&s_video_flush_op);
241
242    if (status != IV_SUCCESS) {
243        ALOGE("Error in setting the decoder in flush mode: (%d) 0x%x", status,
244                s_video_flush_op.u4_error_code);
245        return UNKNOWN_ERROR;
246    }
247
248    mWaitForI = true;
249    mIsInFlush = true;
250    return OK;
251}
252
253status_t SoftMPEG2::initDecoder() {
254    IV_API_CALL_STATUS_T status;
255
256    UWORD32 u4_num_reorder_frames;
257    UWORD32 u4_num_ref_frames;
258    UWORD32 u4_share_disp_buf;
259
260    mNumCores = GetCPUCoreCount();
261    mWaitForI = true;
262
263    /* Initialize number of ref and reorder modes (for MPEG2) */
264    u4_num_reorder_frames = 16;
265    u4_num_ref_frames = 16;
266    u4_share_disp_buf = 0;
267
268    uint32_t displayStride = outputBufferWidth();
269    uint32_t displayHeight = outputBufferHeight();
270    uint32_t displaySizeY = displayStride * displayHeight;
271
272    {
273        iv_num_mem_rec_ip_t s_num_mem_rec_ip;
274        iv_num_mem_rec_op_t s_num_mem_rec_op;
275
276        s_num_mem_rec_ip.u4_size = sizeof(s_num_mem_rec_ip);
277        s_num_mem_rec_op.u4_size = sizeof(s_num_mem_rec_op);
278        s_num_mem_rec_ip.e_cmd = IV_CMD_GET_NUM_MEM_REC;
279
280        status = ivdec_api_function(
281                mCodecCtx, (void *)&s_num_mem_rec_ip, (void *)&s_num_mem_rec_op);
282        if (IV_SUCCESS != status) {
283            ALOGE("Error in getting mem records: 0x%x",
284                    s_num_mem_rec_op.u4_error_code);
285            return UNKNOWN_ERROR;
286        }
287
288        mNumMemRecords = s_num_mem_rec_op.u4_num_mem_rec;
289    }
290
291    mMemRecords = (iv_mem_rec_t *)ivd_aligned_malloc(
292            128, mNumMemRecords * sizeof(iv_mem_rec_t));
293    if (mMemRecords == NULL) {
294        ALOGE("Allocation failure");
295        return NO_MEMORY;
296    }
297
298    memset(mMemRecords, 0, mNumMemRecords * sizeof(iv_mem_rec_t));
299
300    {
301        size_t i;
302        ivdext_fill_mem_rec_ip_t s_fill_mem_ip;
303        ivdext_fill_mem_rec_op_t s_fill_mem_op;
304        iv_mem_rec_t *ps_mem_rec;
305
306        s_fill_mem_ip.s_ivd_fill_mem_rec_ip_t.u4_size =
307            sizeof(ivdext_fill_mem_rec_ip_t);
308
309        s_fill_mem_ip.u4_share_disp_buf = u4_share_disp_buf;
310        s_fill_mem_ip.e_output_format = mIvColorFormat;
311
312        s_fill_mem_ip.s_ivd_fill_mem_rec_ip_t.e_cmd = IV_CMD_FILL_NUM_MEM_REC;
313        s_fill_mem_ip.s_ivd_fill_mem_rec_ip_t.pv_mem_rec_location = mMemRecords;
314        s_fill_mem_ip.s_ivd_fill_mem_rec_ip_t.u4_max_frm_wd = displayStride;
315        s_fill_mem_ip.s_ivd_fill_mem_rec_ip_t.u4_max_frm_ht = displayHeight;
316        s_fill_mem_op.s_ivd_fill_mem_rec_op_t.u4_size =
317            sizeof(ivdext_fill_mem_rec_op_t);
318
319        ps_mem_rec = mMemRecords;
320        for (i = 0; i < mNumMemRecords; i++) {
321            ps_mem_rec[i].u4_size = sizeof(iv_mem_rec_t);
322        }
323
324        status = ivdec_api_function(
325                mCodecCtx, (void *)&s_fill_mem_ip, (void *)&s_fill_mem_op);
326
327        if (IV_SUCCESS != status) {
328            ALOGE("Error in filling mem records: 0x%x",
329                    s_fill_mem_op.s_ivd_fill_mem_rec_op_t.u4_error_code);
330            return UNKNOWN_ERROR;
331        }
332        mNumMemRecords =
333            s_fill_mem_op.s_ivd_fill_mem_rec_op_t.u4_num_mem_rec_filled;
334
335        ps_mem_rec = mMemRecords;
336
337        for (i = 0; i < mNumMemRecords; i++) {
338            ps_mem_rec->pv_base = ivd_aligned_malloc(
339                    ps_mem_rec->u4_mem_alignment, ps_mem_rec->u4_mem_size);
340            if (ps_mem_rec->pv_base == NULL) {
341                ALOGE("Allocation failure for memory record #%zu of size %u",
342                        i, ps_mem_rec->u4_mem_size);
343                status = IV_FAIL;
344                return NO_MEMORY;
345            }
346
347            ps_mem_rec++;
348        }
349    }
350
351    /* Initialize the decoder */
352    {
353        ivdext_init_ip_t s_init_ip;
354        ivdext_init_op_t s_init_op;
355
356        void *dec_fxns = (void *)ivdec_api_function;
357
358        s_init_ip.s_ivd_init_ip_t.u4_size = sizeof(ivdext_init_ip_t);
359        s_init_ip.s_ivd_init_ip_t.e_cmd = (IVD_API_COMMAND_TYPE_T)IV_CMD_INIT;
360        s_init_ip.s_ivd_init_ip_t.pv_mem_rec_location = mMemRecords;
361        s_init_ip.s_ivd_init_ip_t.u4_frm_max_wd = displayStride;
362        s_init_ip.s_ivd_init_ip_t.u4_frm_max_ht = displayHeight;
363
364        s_init_ip.u4_share_disp_buf = u4_share_disp_buf;
365
366        s_init_op.s_ivd_init_op_t.u4_size = sizeof(s_init_op);
367
368        s_init_ip.s_ivd_init_ip_t.u4_num_mem_rec = mNumMemRecords;
369        s_init_ip.s_ivd_init_ip_t.e_output_format = mIvColorFormat;
370
371        mCodecCtx = (iv_obj_t *)mMemRecords[0].pv_base;
372        mCodecCtx->pv_fxns = dec_fxns;
373        mCodecCtx->u4_size = sizeof(iv_obj_t);
374
375        status = ivdec_api_function(mCodecCtx, (void *)&s_init_ip, (void *)&s_init_op);
376        if (status != IV_SUCCESS) {
377            ALOGE("Error in init: 0x%x",
378                    s_init_op.s_ivd_init_op_t.u4_error_code);
379            return UNKNOWN_ERROR;
380        }
381    }
382
383    /* Reset the plugin state */
384    resetPlugin();
385
386    /* Set the run time (dynamic) parameters */
387    setParams(displayStride);
388
389    /* Set number of cores/threads to be used by the codec */
390    setNumCores();
391
392    /* Get codec version */
393    logVersion();
394
395    /* Allocate internal picture buffer */
396    uint32_t bufferSize = displaySizeY * 3 / 2;
397    mFlushOutBuffer = (uint8_t *)ivd_aligned_malloc(128, bufferSize);
398    if (NULL == mFlushOutBuffer) {
399        ALOGE("Could not allocate flushOutputBuffer of size %zu", bufferSize);
400        return NO_MEMORY;
401    }
402
403    mInitNeeded = false;
404    mFlushNeeded = false;
405    return OK;
406}
407
408status_t SoftMPEG2::deInitDecoder() {
409    size_t i;
410
411    if (mMemRecords) {
412        iv_mem_rec_t *ps_mem_rec;
413
414        ps_mem_rec = mMemRecords;
415        for (i = 0; i < mNumMemRecords; i++) {
416            if (ps_mem_rec->pv_base) {
417                ivd_aligned_free(ps_mem_rec->pv_base);
418            }
419            ps_mem_rec++;
420        }
421        ivd_aligned_free(mMemRecords);
422        mMemRecords = NULL;
423    }
424
425    if (mFlushOutBuffer) {
426        ivd_aligned_free(mFlushOutBuffer);
427        mFlushOutBuffer = NULL;
428    }
429
430    mInitNeeded = true;
431    mChangingResolution = false;
432
433    return OK;
434}
435
436status_t SoftMPEG2::reInitDecoder() {
437    status_t ret;
438
439    deInitDecoder();
440
441    ret = initDecoder();
442    if (OK != ret) {
443        ALOGE("Create failure");
444        deInitDecoder();
445        return NO_MEMORY;
446    }
447    return OK;
448}
449
450void SoftMPEG2::onReset() {
451    SoftVideoDecoderOMXComponent::onReset();
452
453    mWaitForI = true;
454
455    resetDecoder();
456    resetPlugin();
457}
458
459OMX_ERRORTYPE SoftMPEG2::internalSetParameter(OMX_INDEXTYPE index, const OMX_PTR params) {
460    const uint32_t oldWidth = mWidth;
461    const uint32_t oldHeight = mHeight;
462    OMX_ERRORTYPE ret = SoftVideoDecoderOMXComponent::internalSetParameter(index, params);
463    if (mWidth != oldWidth || mHeight != oldHeight) {
464        reInitDecoder();
465    }
466    return ret;
467}
468
469void SoftMPEG2::setDecodeArgs(
470        ivd_video_decode_ip_t *ps_dec_ip,
471        ivd_video_decode_op_t *ps_dec_op,
472        OMX_BUFFERHEADERTYPE *inHeader,
473        OMX_BUFFERHEADERTYPE *outHeader,
474        size_t timeStampIx) {
475    size_t sizeY = outputBufferWidth() * outputBufferHeight();
476    size_t sizeUV;
477    uint8_t *pBuf;
478
479    ps_dec_ip->u4_size = sizeof(ivd_video_decode_ip_t);
480    ps_dec_op->u4_size = sizeof(ivd_video_decode_op_t);
481
482    ps_dec_ip->e_cmd = IVD_CMD_VIDEO_DECODE;
483
484    /* When in flush and after EOS with zero byte input,
485     * inHeader is set to zero. Hence check for non-null */
486    if (inHeader) {
487        ps_dec_ip->u4_ts = timeStampIx;
488        ps_dec_ip->pv_stream_buffer = inHeader->pBuffer
489                + inHeader->nOffset;
490        ps_dec_ip->u4_num_Bytes = inHeader->nFilledLen;
491    } else {
492        ps_dec_ip->u4_ts = 0;
493        ps_dec_ip->pv_stream_buffer = NULL;
494        ps_dec_ip->u4_num_Bytes = 0;
495    }
496
497    if (outHeader) {
498        pBuf = outHeader->pBuffer;
499    } else {
500        pBuf = mFlushOutBuffer;
501    }
502
503    sizeUV = sizeY / 4;
504    ps_dec_ip->s_out_buffer.u4_min_out_buf_size[0] = sizeY;
505    ps_dec_ip->s_out_buffer.u4_min_out_buf_size[1] = sizeUV;
506    ps_dec_ip->s_out_buffer.u4_min_out_buf_size[2] = sizeUV;
507
508    ps_dec_ip->s_out_buffer.pu1_bufs[0] = pBuf;
509    ps_dec_ip->s_out_buffer.pu1_bufs[1] = pBuf + sizeY;
510    ps_dec_ip->s_out_buffer.pu1_bufs[2] = pBuf + sizeY + sizeUV;
511    ps_dec_ip->s_out_buffer.u4_num_bufs = 3;
512    return;
513}
514void SoftMPEG2::onPortFlushCompleted(OMX_U32 portIndex) {
515    /* Once the output buffers are flushed, ignore any buffers that are held in decoder */
516    if (kOutputPortIndex == portIndex) {
517        setFlushMode();
518
519        while (true) {
520            ivd_video_decode_ip_t s_dec_ip;
521            ivd_video_decode_op_t s_dec_op;
522            IV_API_CALL_STATUS_T status;
523            size_t sizeY, sizeUV;
524
525            setDecodeArgs(&s_dec_ip, &s_dec_op, NULL, NULL, 0);
526
527            status = ivdec_api_function(mCodecCtx, (void *)&s_dec_ip, (void *)&s_dec_op);
528            if (0 == s_dec_op.u4_output_present) {
529                resetPlugin();
530                break;
531            }
532        }
533    }
534}
535
536void SoftMPEG2::onQueueFilled(OMX_U32 portIndex) {
537    UNUSED(portIndex);
538
539    if (mOutputPortSettingsChange != NONE) {
540        return;
541    }
542
543    List<BufferInfo *> &inQueue = getPortQueue(kInputPortIndex);
544    List<BufferInfo *> &outQueue = getPortQueue(kOutputPortIndex);
545
546    /* If input EOS is seen and decoder is not in flush mode,
547     * set the decoder in flush mode.
548     * There can be a case where EOS is sent along with last picture data
549     * In that case, only after decoding that input data, decoder has to be
550     * put in flush. This case is handled here  */
551
552    if (mReceivedEOS && !mIsInFlush) {
553        setFlushMode();
554    }
555
556    while (!outQueue.empty()) {
557        BufferInfo *inInfo;
558        OMX_BUFFERHEADERTYPE *inHeader;
559
560        BufferInfo *outInfo;
561        OMX_BUFFERHEADERTYPE *outHeader;
562        size_t timeStampIx;
563
564        inInfo = NULL;
565        inHeader = NULL;
566
567        if (!mIsInFlush) {
568            if (!inQueue.empty()) {
569                inInfo = *inQueue.begin();
570                inHeader = inInfo->mHeader;
571            } else {
572                break;
573            }
574        }
575
576        outInfo = *outQueue.begin();
577        outHeader = outInfo->mHeader;
578        outHeader->nFlags = 0;
579        outHeader->nTimeStamp = 0;
580        outHeader->nOffset = 0;
581
582        if (inHeader != NULL && (inHeader->nFlags & OMX_BUFFERFLAG_EOS)) {
583            mReceivedEOS = true;
584            if (inHeader->nFilledLen == 0) {
585                inQueue.erase(inQueue.begin());
586                inInfo->mOwnedByUs = false;
587                notifyEmptyBufferDone(inHeader);
588                inHeader = NULL;
589                setFlushMode();
590            }
591        }
592
593        // When there is an init required and the decoder is not in flush mode,
594        // update output port's definition and reinitialize decoder.
595        if (mInitNeeded && !mIsInFlush) {
596            bool portWillReset = false;
597            handlePortSettingsChange(&portWillReset, mNewWidth, mNewHeight);
598
599            CHECK_EQ(reInitDecoder(), (status_t)OK);
600            return;
601        }
602
603        /* Get a free slot in timestamp array to hold input timestamp */
604        {
605            size_t i;
606            timeStampIx = 0;
607            for (i = 0; i < MAX_TIME_STAMPS; i++) {
608                if (!mTimeStampsValid[i]) {
609                    timeStampIx = i;
610                    break;
611                }
612            }
613            if (inHeader != NULL) {
614                mTimeStampsValid[timeStampIx] = true;
615                mTimeStamps[timeStampIx] = inHeader->nTimeStamp;
616            }
617        }
618
619        {
620            ivd_video_decode_ip_t s_dec_ip;
621            ivd_video_decode_op_t s_dec_op;
622            WORD32 timeDelay, timeTaken;
623            size_t sizeY, sizeUV;
624
625            setDecodeArgs(&s_dec_ip, &s_dec_op, inHeader, outHeader, timeStampIx);
626            // If input dump is enabled, then write to file
627            DUMP_TO_FILE(mInFile, s_dec_ip.pv_stream_buffer, s_dec_ip.u4_num_Bytes);
628
629            if (s_dec_ip.u4_num_Bytes > 0) {
630                char *ptr = (char *)s_dec_ip.pv_stream_buffer;
631            }
632
633            GETTIME(&mTimeStart, NULL);
634            /* Compute time elapsed between end of previous decode()
635             * to start of current decode() */
636            TIME_DIFF(mTimeEnd, mTimeStart, timeDelay);
637
638            IV_API_CALL_STATUS_T status;
639            status = ivdec_api_function(mCodecCtx, (void *)&s_dec_ip, (void *)&s_dec_op);
640
641            bool unsupportedDimensions = (IMPEG2D_UNSUPPORTED_DIMENSIONS == s_dec_op.u4_error_code);
642            bool resChanged = (IVD_RES_CHANGED == (s_dec_op.u4_error_code & 0xFF));
643
644            GETTIME(&mTimeEnd, NULL);
645            /* Compute time taken for decode() */
646            TIME_DIFF(mTimeStart, mTimeEnd, timeTaken);
647
648            ALOGV("timeTaken=%6d delay=%6d numBytes=%6d", timeTaken, timeDelay,
649                   s_dec_op.u4_num_bytes_consumed);
650            if (s_dec_op.u4_frame_decoded_flag && !mFlushNeeded) {
651                mFlushNeeded = true;
652            }
653
654            if ((inHeader != NULL) && (1 != s_dec_op.u4_frame_decoded_flag)) {
655                /* If the input did not contain picture data, then ignore
656                 * the associated timestamp */
657                mTimeStampsValid[timeStampIx] = false;
658            }
659
660            // This is needed to handle CTS DecoderTest testCodecResetsMPEG2WithoutSurface,
661            // which is not sending SPS/PPS after port reconfiguration and flush to the codec.
662            if (unsupportedDimensions && !mFlushNeeded) {
663                bool portWillReset = false;
664                handlePortSettingsChange(&portWillReset, s_dec_op.u4_pic_wd, s_dec_op.u4_pic_ht);
665
666                CHECK_EQ(reInitDecoder(), (status_t)OK);
667
668                setDecodeArgs(&s_dec_ip, &s_dec_op, inHeader, outHeader, timeStampIx);
669
670                ivdec_api_function(mCodecCtx, (void *)&s_dec_ip, (void *)&s_dec_op);
671                return;
672            }
673
674            // If the decoder is in the changing resolution mode and there is no output present,
675            // that means the switching is done and it's ready to reset the decoder and the plugin.
676            if (mChangingResolution && !s_dec_op.u4_output_present) {
677                mChangingResolution = false;
678                resetDecoder();
679                resetPlugin();
680                continue;
681            }
682
683            if (unsupportedDimensions || resChanged) {
684                mChangingResolution = true;
685                if (mFlushNeeded) {
686                    setFlushMode();
687                }
688
689                if (unsupportedDimensions) {
690                    mNewWidth = s_dec_op.u4_pic_wd;
691                    mNewHeight = s_dec_op.u4_pic_ht;
692                    mInitNeeded = true;
693                }
694                continue;
695            }
696
697            if ((0 < s_dec_op.u4_pic_wd) && (0 < s_dec_op.u4_pic_ht)) {
698                uint32_t width = s_dec_op.u4_pic_wd;
699                uint32_t height = s_dec_op.u4_pic_ht;
700                bool portWillReset = false;
701                handlePortSettingsChange(&portWillReset, width, height);
702
703                if (portWillReset) {
704                    resetDecoder();
705                    return;
706                }
707            }
708
709            if (s_dec_op.u4_output_present) {
710                size_t timeStampIdx;
711                outHeader->nFilledLen = (mWidth * mHeight * 3) / 2;
712
713                timeStampIdx = getMinTimestampIdx(mTimeStamps, mTimeStampsValid);
714                outHeader->nTimeStamp = mTimeStamps[timeStampIdx];
715                mTimeStampsValid[timeStampIdx] = false;
716
717                /* mWaitForI waits for the first I picture. Once made FALSE, it
718                   has to remain false till explicitly set to TRUE. */
719                mWaitForI = mWaitForI && !(IV_I_FRAME == s_dec_op.e_pic_type);
720
721                if (mWaitForI) {
722                    s_dec_op.u4_output_present = false;
723                } else {
724                    ALOGV("Output timestamp: %lld, res: %ux%u",
725                            (long long)outHeader->nTimeStamp, mWidth, mHeight);
726                    DUMP_TO_FILE(mOutFile, outHeader->pBuffer, outHeader->nFilledLen);
727                    outInfo->mOwnedByUs = false;
728                    outQueue.erase(outQueue.begin());
729                    outInfo = NULL;
730                    notifyFillBufferDone(outHeader);
731                    outHeader = NULL;
732                }
733            } else {
734                /* If in flush mode and no output is returned by the codec,
735                 * then come out of flush mode */
736                mIsInFlush = false;
737
738                /* If EOS was recieved on input port and there is no output
739                 * from the codec, then signal EOS on output port */
740                if (mReceivedEOS) {
741                    outHeader->nFilledLen = 0;
742                    outHeader->nFlags |= OMX_BUFFERFLAG_EOS;
743
744                    outInfo->mOwnedByUs = false;
745                    outQueue.erase(outQueue.begin());
746                    outInfo = NULL;
747                    notifyFillBufferDone(outHeader);
748                    outHeader = NULL;
749                    resetPlugin();
750                }
751            }
752        }
753
754        // TODO: Handle more than one picture data
755        if (inHeader != NULL) {
756            inInfo->mOwnedByUs = false;
757            inQueue.erase(inQueue.begin());
758            inInfo = NULL;
759            notifyEmptyBufferDone(inHeader);
760            inHeader = NULL;
761        }
762    }
763}
764
765}  // namespace android
766
767android::SoftOMXComponent *createSoftOMXComponent(
768        const char *name, const OMX_CALLBACKTYPE *callbacks, OMX_PTR appData,
769        OMX_COMPONENTTYPE **component) {
770    return new android::SoftMPEG2(name, callbacks, appData, component);
771}
772