SoftVPXEncoder.cpp revision f1a2668f4f09e38722424a6a74f0ea26f49e4110 
1/*
2 * Copyright (C) 2013 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 "SoftVPXEncoder"
19#include "SoftVPXEncoder.h"
20
21#include <utils/Log.h>
22#include <utils/misc.h>
23
24#include <media/hardware/HardwareAPI.h>
25#include <media/hardware/MetadataBufferType.h>
26#include <media/stagefright/foundation/ADebug.h>
27#include <media/stagefright/MediaDefs.h>
28
29#ifndef INT32_MAX
30#define INT32_MAX   2147483647
31#endif
32
33namespace android {
34
35template<class T>
36static void InitOMXParams(T *params) {
37    params->nSize = sizeof(T);
38    // OMX IL 1.1.2
39    params->nVersion.s.nVersionMajor = 1;
40    params->nVersion.s.nVersionMinor = 1;
41    params->nVersion.s.nRevision = 2;
42    params->nVersion.s.nStep = 0;
43}
44
45
46static int GetCPUCoreCount() {
47    int cpuCoreCount = 1;
48#if defined(_SC_NPROCESSORS_ONLN)
49    cpuCoreCount = sysconf(_SC_NPROCESSORS_ONLN);
50#else
51    // _SC_NPROC_ONLN must be defined...
52    cpuCoreCount = sysconf(_SC_NPROC_ONLN);
53#endif
54    CHECK_GE(cpuCoreCount, 1);
55    return cpuCoreCount;
56}
57
58static const CodecProfileLevel kProfileLevels[] = {
59    { OMX_VIDEO_VP8ProfileMain, OMX_VIDEO_VP8Level_Version0 },
60    { OMX_VIDEO_VP8ProfileMain, OMX_VIDEO_VP8Level_Version1 },
61    { OMX_VIDEO_VP8ProfileMain, OMX_VIDEO_VP8Level_Version2 },
62    { OMX_VIDEO_VP8ProfileMain, OMX_VIDEO_VP8Level_Version3 },
63};
64
65SoftVPXEncoder::SoftVPXEncoder(const char *name,
66                               const OMX_CALLBACKTYPE *callbacks,
67                               OMX_PTR appData,
68                               OMX_COMPONENTTYPE **component)
69    : SoftVideoEncoderOMXComponent(
70            name, "video_encoder.vp8", OMX_VIDEO_CodingVP8,
71            kProfileLevels, NELEM(kProfileLevels),
72            176 /* width */, 144 /* height */,
73            callbacks, appData, component),
74      mCodecContext(NULL),
75      mCodecConfiguration(NULL),
76      mCodecInterface(NULL),
77      mBitrateUpdated(false),
78      mBitrateControlMode(VPX_VBR),  // variable bitrate
79      mDCTPartitions(0),
80      mErrorResilience(OMX_FALSE),
81      mLevel(OMX_VIDEO_VP8Level_Version0),
82      mKeyFrameInterval(0),
83      mMinQuantizer(0),
84      mMaxQuantizer(0),
85      mTemporalLayers(0),
86      mTemporalPatternType(OMX_VIDEO_VPXTemporalLayerPatternNone),
87      mTemporalPatternLength(0),
88      mTemporalPatternIdx(0),
89      mLastTimestamp(0x7FFFFFFFFFFFFFFFLL),
90      mConversionBuffer(NULL),
91      mKeyFrameRequested(false) {
92    memset(mTemporalLayerBitrateRatio, 0, sizeof(mTemporalLayerBitrateRatio));
93    mTemporalLayerBitrateRatio[0] = 100;
94
95    const size_t kMinOutputBufferSize = 1024 * 1024; // arbitrary
96
97    initPorts(
98            kNumBuffers, kNumBuffers, kMinOutputBufferSize,
99            MEDIA_MIMETYPE_VIDEO_VP8, 2 /* minCompressionRatio */);
100}
101
102
103SoftVPXEncoder::~SoftVPXEncoder() {
104    releaseEncoder();
105}
106
107status_t SoftVPXEncoder::initEncoder() {
108    vpx_codec_err_t codec_return;
109
110    mCodecContext = new vpx_codec_ctx_t;
111    mCodecConfiguration = new vpx_codec_enc_cfg_t;
112    mCodecInterface = vpx_codec_vp8_cx();
113
114    if (mCodecInterface == NULL) {
115        return UNKNOWN_ERROR;
116    }
117    ALOGD("VP8: initEncoder. BRMode: %u. TSLayers: %zu. KF: %u. QP: %u - %u",
118          (uint32_t)mBitrateControlMode, mTemporalLayers, mKeyFrameInterval,
119          mMinQuantizer, mMaxQuantizer);
120    codec_return = vpx_codec_enc_config_default(mCodecInterface,
121                                                mCodecConfiguration,
122                                                0);  // Codec specific flags
123
124    if (codec_return != VPX_CODEC_OK) {
125        ALOGE("Error populating default configuration for vpx encoder.");
126        return UNKNOWN_ERROR;
127    }
128
129    mCodecConfiguration->g_w = mWidth;
130    mCodecConfiguration->g_h = mHeight;
131    mCodecConfiguration->g_threads = GetCPUCoreCount();
132    mCodecConfiguration->g_error_resilient = mErrorResilience;
133
134    switch (mLevel) {
135        case OMX_VIDEO_VP8Level_Version0:
136            mCodecConfiguration->g_profile = 0;
137            break;
138
139        case OMX_VIDEO_VP8Level_Version1:
140            mCodecConfiguration->g_profile = 1;
141            break;
142
143        case OMX_VIDEO_VP8Level_Version2:
144            mCodecConfiguration->g_profile = 2;
145            break;
146
147        case OMX_VIDEO_VP8Level_Version3:
148            mCodecConfiguration->g_profile = 3;
149            break;
150
151        default:
152            mCodecConfiguration->g_profile = 0;
153    }
154
155    // OMX timebase unit is microsecond
156    // g_timebase is in seconds (i.e. 1/1000000 seconds)
157    mCodecConfiguration->g_timebase.num = 1;
158    mCodecConfiguration->g_timebase.den = 1000000;
159    // rc_target_bitrate is in kbps, mBitrate in bps
160    mCodecConfiguration->rc_target_bitrate = (mBitrate + 500) / 1000;
161    mCodecConfiguration->rc_end_usage = mBitrateControlMode;
162    // Disable frame drop - not allowed in MediaCodec now.
163    mCodecConfiguration->rc_dropframe_thresh = 0;
164    if (mBitrateControlMode == VPX_CBR) {
165        // Disable spatial resizing.
166        mCodecConfiguration->rc_resize_allowed = 0;
167        // Single-pass mode.
168        mCodecConfiguration->g_pass = VPX_RC_ONE_PASS;
169        // Maximum amount of bits that can be subtracted from the target
170        // bitrate - expressed as percentage of the target bitrate.
171        mCodecConfiguration->rc_undershoot_pct = 100;
172        // Maximum amount of bits that can be added to the target
173        // bitrate - expressed as percentage of the target bitrate.
174        mCodecConfiguration->rc_overshoot_pct = 15;
175        // Initial value of the buffer level in ms.
176        mCodecConfiguration->rc_buf_initial_sz = 500;
177        // Amount of data that the encoder should try to maintain in ms.
178        mCodecConfiguration->rc_buf_optimal_sz = 600;
179        // The amount of data that may be buffered by the decoding
180        // application in ms.
181        mCodecConfiguration->rc_buf_sz = 1000;
182        // Enable error resilience - needed for packet loss.
183        mCodecConfiguration->g_error_resilient = 1;
184        // Disable lagged encoding.
185        mCodecConfiguration->g_lag_in_frames = 0;
186        // Maximum key frame interval - for CBR boost to 3000
187        mCodecConfiguration->kf_max_dist = 3000;
188        // Encoder determines optimal key frame placement automatically.
189        mCodecConfiguration->kf_mode = VPX_KF_AUTO;
190    }
191
192    // Frames temporal pattern - for now WebRTC like pattern is only supported.
193    switch (mTemporalLayers) {
194        case 0:
195        {
196            mTemporalPatternLength = 0;
197            break;
198        }
199        case 1:
200        {
201            mCodecConfiguration->ts_number_layers = 1;
202            mCodecConfiguration->ts_rate_decimator[0] = 1;
203            mCodecConfiguration->ts_periodicity = 1;
204            mCodecConfiguration->ts_layer_id[0] = 0;
205            mTemporalPattern[0] = kTemporalUpdateLastRefAll;
206            mTemporalPatternLength = 1;
207            break;
208        }
209        case 2:
210        {
211            mCodecConfiguration->ts_number_layers = 2;
212            mCodecConfiguration->ts_rate_decimator[0] = 2;
213            mCodecConfiguration->ts_rate_decimator[1] = 1;
214            mCodecConfiguration->ts_periodicity = 2;
215            mCodecConfiguration->ts_layer_id[0] = 0;
216            mCodecConfiguration->ts_layer_id[1] = 1;
217            mTemporalPattern[0] = kTemporalUpdateLastAndGoldenRefAltRef;
218            mTemporalPattern[1] = kTemporalUpdateGoldenWithoutDependencyRefAltRef;
219            mTemporalPattern[2] = kTemporalUpdateLastRefAltRef;
220            mTemporalPattern[3] = kTemporalUpdateGoldenRefAltRef;
221            mTemporalPattern[4] = kTemporalUpdateLastRefAltRef;
222            mTemporalPattern[5] = kTemporalUpdateGoldenRefAltRef;
223            mTemporalPattern[6] = kTemporalUpdateLastRefAltRef;
224            mTemporalPattern[7] = kTemporalUpdateNone;
225            mTemporalPatternLength = 8;
226            break;
227        }
228        case 3:
229        {
230            mCodecConfiguration->ts_number_layers = 3;
231            mCodecConfiguration->ts_rate_decimator[0] = 4;
232            mCodecConfiguration->ts_rate_decimator[1] = 2;
233            mCodecConfiguration->ts_rate_decimator[2] = 1;
234            mCodecConfiguration->ts_periodicity = 4;
235            mCodecConfiguration->ts_layer_id[0] = 0;
236            mCodecConfiguration->ts_layer_id[1] = 2;
237            mCodecConfiguration->ts_layer_id[2] = 1;
238            mCodecConfiguration->ts_layer_id[3] = 2;
239            mTemporalPattern[0] = kTemporalUpdateLastAndGoldenRefAltRef;
240            mTemporalPattern[1] = kTemporalUpdateNoneNoRefGoldenRefAltRef;
241            mTemporalPattern[2] = kTemporalUpdateGoldenWithoutDependencyRefAltRef;
242            mTemporalPattern[3] = kTemporalUpdateNone;
243            mTemporalPattern[4] = kTemporalUpdateLastRefAltRef;
244            mTemporalPattern[5] = kTemporalUpdateNone;
245            mTemporalPattern[6] = kTemporalUpdateGoldenRefAltRef;
246            mTemporalPattern[7] = kTemporalUpdateNone;
247            mTemporalPatternLength = 8;
248            break;
249        }
250        default:
251        {
252            ALOGE("Wrong number of temporal layers %zu", mTemporalLayers);
253            return UNKNOWN_ERROR;
254        }
255    }
256
257    // Set bitrate values for each layer
258    for (size_t i = 0; i < mCodecConfiguration->ts_number_layers; i++) {
259        mCodecConfiguration->ts_target_bitrate[i] =
260            mCodecConfiguration->rc_target_bitrate *
261            mTemporalLayerBitrateRatio[i] / 100;
262    }
263    if (mKeyFrameInterval > 0) {
264        mCodecConfiguration->kf_max_dist = mKeyFrameInterval;
265        mCodecConfiguration->kf_min_dist = mKeyFrameInterval;
266        mCodecConfiguration->kf_mode = VPX_KF_AUTO;
267    }
268    if (mMinQuantizer > 0) {
269        mCodecConfiguration->rc_min_quantizer = mMinQuantizer;
270    }
271    if (mMaxQuantizer > 0) {
272        mCodecConfiguration->rc_max_quantizer = mMaxQuantizer;
273    }
274
275    codec_return = vpx_codec_enc_init(mCodecContext,
276                                      mCodecInterface,
277                                      mCodecConfiguration,
278                                      0);  // flags
279
280    if (codec_return != VPX_CODEC_OK) {
281        ALOGE("Error initializing vpx encoder");
282        return UNKNOWN_ERROR;
283    }
284
285    codec_return = vpx_codec_control(mCodecContext,
286                                     VP8E_SET_TOKEN_PARTITIONS,
287                                     mDCTPartitions);
288    if (codec_return != VPX_CODEC_OK) {
289        ALOGE("Error setting dct partitions for vpx encoder.");
290        return UNKNOWN_ERROR;
291    }
292
293    // Extra CBR settings
294    if (mBitrateControlMode == VPX_CBR) {
295        codec_return = vpx_codec_control(mCodecContext,
296                                         VP8E_SET_STATIC_THRESHOLD,
297                                         1);
298        if (codec_return == VPX_CODEC_OK) {
299            uint32_t rc_max_intra_target =
300                mCodecConfiguration->rc_buf_optimal_sz * (mFramerate >> 17) / 10;
301            // Don't go below 3 times per frame bandwidth.
302            if (rc_max_intra_target < 300) {
303                rc_max_intra_target = 300;
304            }
305            codec_return = vpx_codec_control(mCodecContext,
306                                             VP8E_SET_MAX_INTRA_BITRATE_PCT,
307                                             rc_max_intra_target);
308        }
309        if (codec_return == VPX_CODEC_OK) {
310            codec_return = vpx_codec_control(mCodecContext,
311                                             VP8E_SET_CPUUSED,
312                                             -8);
313        }
314        if (codec_return != VPX_CODEC_OK) {
315            ALOGE("Error setting cbr parameters for vpx encoder.");
316            return UNKNOWN_ERROR;
317        }
318    }
319
320    if (mColorFormat != OMX_COLOR_FormatYUV420Planar || mInputDataIsMeta) {
321        free(mConversionBuffer);
322        mConversionBuffer = NULL;
323        if (((uint64_t)mWidth * mHeight) > ((uint64_t)INT32_MAX / 3)) {
324            ALOGE("b/25812794, Buffer size is too big.");
325            return UNKNOWN_ERROR;
326        }
327        mConversionBuffer = (uint8_t *)malloc(mWidth * mHeight * 3 / 2);
328        if (mConversionBuffer == NULL) {
329            ALOGE("Allocating conversion buffer failed.");
330            return UNKNOWN_ERROR;
331        }
332    }
333    return OK;
334}
335
336
337status_t SoftVPXEncoder::releaseEncoder() {
338    if (mCodecContext != NULL) {
339        vpx_codec_destroy(mCodecContext);
340        delete mCodecContext;
341        mCodecContext = NULL;
342    }
343
344    if (mCodecConfiguration != NULL) {
345        delete mCodecConfiguration;
346        mCodecConfiguration = NULL;
347    }
348
349    if (mConversionBuffer != NULL) {
350        free(mConversionBuffer);
351        mConversionBuffer = NULL;
352    }
353
354    // this one is not allocated by us
355    mCodecInterface = NULL;
356
357    return OK;
358}
359
360
361OMX_ERRORTYPE SoftVPXEncoder::internalGetParameter(OMX_INDEXTYPE index,
362                                                   OMX_PTR param) {
363    // can include extension index OMX_INDEXEXTTYPE
364    const int32_t indexFull = index;
365
366    switch (indexFull) {
367        case OMX_IndexParamVideoBitrate: {
368            OMX_VIDEO_PARAM_BITRATETYPE *bitrate =
369                (OMX_VIDEO_PARAM_BITRATETYPE *)param;
370
371            if (!isValidOMXParam(bitrate)) {
372                return OMX_ErrorBadParameter;
373            }
374
375            if (bitrate->nPortIndex != kOutputPortIndex) {
376                return OMX_ErrorUnsupportedIndex;
377            }
378
379            bitrate->nTargetBitrate = mBitrate;
380
381            if (mBitrateControlMode == VPX_VBR) {
382                bitrate->eControlRate = OMX_Video_ControlRateVariable;
383            } else if (mBitrateControlMode == VPX_CBR) {
384                bitrate->eControlRate = OMX_Video_ControlRateConstant;
385            } else {
386                return OMX_ErrorUnsupportedSetting;
387            }
388            return OMX_ErrorNone;
389        }
390
391        // VP8 specific parameters that use extension headers
392        case OMX_IndexParamVideoVp8: {
393            OMX_VIDEO_PARAM_VP8TYPE *vp8Params =
394                (OMX_VIDEO_PARAM_VP8TYPE *)param;
395
396            if (!isValidOMXParam(vp8Params)) {
397                return OMX_ErrorBadParameter;
398            }
399
400            if (vp8Params->nPortIndex != kOutputPortIndex) {
401                return OMX_ErrorUnsupportedIndex;
402            }
403
404            vp8Params->eProfile = OMX_VIDEO_VP8ProfileMain;
405            vp8Params->eLevel = mLevel;
406            vp8Params->nDCTPartitions = mDCTPartitions;
407            vp8Params->bErrorResilientMode = mErrorResilience;
408            return OMX_ErrorNone;
409        }
410
411        case OMX_IndexParamVideoAndroidVp8Encoder: {
412            OMX_VIDEO_PARAM_ANDROID_VP8ENCODERTYPE *vp8AndroidParams =
413                (OMX_VIDEO_PARAM_ANDROID_VP8ENCODERTYPE *)param;
414
415            if (!isValidOMXParam(vp8AndroidParams)) {
416                return OMX_ErrorBadParameter;
417            }
418
419            if (vp8AndroidParams->nPortIndex != kOutputPortIndex) {
420                return OMX_ErrorUnsupportedIndex;
421            }
422
423            vp8AndroidParams->nKeyFrameInterval = mKeyFrameInterval;
424            vp8AndroidParams->eTemporalPattern = mTemporalPatternType;
425            vp8AndroidParams->nTemporalLayerCount = mTemporalLayers;
426            vp8AndroidParams->nMinQuantizer = mMinQuantizer;
427            vp8AndroidParams->nMaxQuantizer = mMaxQuantizer;
428            memcpy(vp8AndroidParams->nTemporalLayerBitrateRatio,
429                   mTemporalLayerBitrateRatio, sizeof(mTemporalLayerBitrateRatio));
430            return OMX_ErrorNone;
431        }
432
433        default:
434            return SoftVideoEncoderOMXComponent::internalGetParameter(index, param);
435    }
436}
437
438
439OMX_ERRORTYPE SoftVPXEncoder::internalSetParameter(OMX_INDEXTYPE index,
440                                                   const OMX_PTR param) {
441    // can include extension index OMX_INDEXEXTTYPE
442    const int32_t indexFull = index;
443
444    switch (indexFull) {
445        case OMX_IndexParamVideoBitrate: {
446            const OMX_VIDEO_PARAM_BITRATETYPE *bitRate =
447                (const OMX_VIDEO_PARAM_BITRATETYPE*) param;
448
449            if (!isValidOMXParam(bitRate)) {
450                return OMX_ErrorBadParameter;
451            }
452
453            return internalSetBitrateParams(bitRate);
454        }
455
456        case OMX_IndexParamVideoVp8: {
457            const OMX_VIDEO_PARAM_VP8TYPE *vp8Params =
458                (const OMX_VIDEO_PARAM_VP8TYPE*) param;
459
460            if (!isValidOMXParam(vp8Params)) {
461                return OMX_ErrorBadParameter;
462            }
463
464            return internalSetVp8Params(vp8Params);
465        }
466
467        case OMX_IndexParamVideoAndroidVp8Encoder: {
468            const OMX_VIDEO_PARAM_ANDROID_VP8ENCODERTYPE *vp8AndroidParams =
469                (const OMX_VIDEO_PARAM_ANDROID_VP8ENCODERTYPE*) param;
470
471            if (!isValidOMXParam(vp8AndroidParams)) {
472                return OMX_ErrorBadParameter;
473            }
474
475            return internalSetAndroidVp8Params(vp8AndroidParams);
476        }
477
478        default:
479            return SoftVideoEncoderOMXComponent::internalSetParameter(index, param);
480    }
481}
482
483OMX_ERRORTYPE SoftVPXEncoder::setConfig(
484        OMX_INDEXTYPE index, const OMX_PTR _params) {
485    switch (index) {
486        case OMX_IndexConfigVideoIntraVOPRefresh:
487        {
488            OMX_CONFIG_INTRAREFRESHVOPTYPE *params =
489                (OMX_CONFIG_INTRAREFRESHVOPTYPE *)_params;
490
491            if (!isValidOMXParam(params)) {
492                return OMX_ErrorBadParameter;
493            }
494
495            if (params->nPortIndex != kOutputPortIndex) {
496                return OMX_ErrorBadPortIndex;
497            }
498
499            mKeyFrameRequested = params->IntraRefreshVOP;
500            return OMX_ErrorNone;
501        }
502
503        case OMX_IndexConfigVideoBitrate:
504        {
505            OMX_VIDEO_CONFIG_BITRATETYPE *params =
506                (OMX_VIDEO_CONFIG_BITRATETYPE *)_params;
507
508            if (!isValidOMXParam(params)) {
509                return OMX_ErrorBadParameter;
510            }
511
512            if (params->nPortIndex != kOutputPortIndex) {
513                return OMX_ErrorBadPortIndex;
514            }
515
516            if (mBitrate != params->nEncodeBitrate) {
517                mBitrate = params->nEncodeBitrate;
518                mBitrateUpdated = true;
519            }
520            return OMX_ErrorNone;
521        }
522
523        default:
524            return SimpleSoftOMXComponent::setConfig(index, _params);
525    }
526}
527
528OMX_ERRORTYPE SoftVPXEncoder::internalSetVp8Params(
529        const OMX_VIDEO_PARAM_VP8TYPE* vp8Params) {
530    if (vp8Params->nPortIndex != kOutputPortIndex) {
531        return OMX_ErrorUnsupportedIndex;
532    }
533
534    if (vp8Params->eProfile != OMX_VIDEO_VP8ProfileMain) {
535        return OMX_ErrorBadParameter;
536    }
537
538    if (vp8Params->eLevel == OMX_VIDEO_VP8Level_Version0 ||
539        vp8Params->eLevel == OMX_VIDEO_VP8Level_Version1 ||
540        vp8Params->eLevel == OMX_VIDEO_VP8Level_Version2 ||
541        vp8Params->eLevel == OMX_VIDEO_VP8Level_Version3) {
542        mLevel = vp8Params->eLevel;
543    } else {
544        return OMX_ErrorBadParameter;
545    }
546
547    if (vp8Params->nDCTPartitions <= kMaxDCTPartitions) {
548        mDCTPartitions = vp8Params->nDCTPartitions;
549    } else {
550        return OMX_ErrorBadParameter;
551    }
552
553    mErrorResilience = vp8Params->bErrorResilientMode;
554    return OMX_ErrorNone;
555}
556
557OMX_ERRORTYPE SoftVPXEncoder::internalSetAndroidVp8Params(
558        const OMX_VIDEO_PARAM_ANDROID_VP8ENCODERTYPE* vp8AndroidParams) {
559    if (vp8AndroidParams->nPortIndex != kOutputPortIndex) {
560        return OMX_ErrorUnsupportedIndex;
561    }
562    if (vp8AndroidParams->eTemporalPattern != OMX_VIDEO_VPXTemporalLayerPatternNone &&
563        vp8AndroidParams->eTemporalPattern != OMX_VIDEO_VPXTemporalLayerPatternWebRTC) {
564        return OMX_ErrorBadParameter;
565    }
566    if (vp8AndroidParams->nTemporalLayerCount > OMX_VIDEO_ANDROID_MAXVP8TEMPORALLAYERS) {
567        return OMX_ErrorBadParameter;
568    }
569    if (vp8AndroidParams->nMinQuantizer > vp8AndroidParams->nMaxQuantizer) {
570        return OMX_ErrorBadParameter;
571    }
572
573    mTemporalPatternType = vp8AndroidParams->eTemporalPattern;
574    if (vp8AndroidParams->eTemporalPattern == OMX_VIDEO_VPXTemporalLayerPatternWebRTC) {
575        mTemporalLayers = vp8AndroidParams->nTemporalLayerCount;
576    } else if (vp8AndroidParams->eTemporalPattern == OMX_VIDEO_VPXTemporalLayerPatternNone) {
577        mTemporalLayers = 0;
578    }
579    // Check the bitrate distribution between layers is in increasing order
580    if (mTemporalLayers > 1) {
581        for (size_t i = 0; i < mTemporalLayers - 1; i++) {
582            if (vp8AndroidParams->nTemporalLayerBitrateRatio[i + 1] <=
583                    vp8AndroidParams->nTemporalLayerBitrateRatio[i]) {
584                ALOGE("Wrong bitrate ratio - should be in increasing order.");
585                return OMX_ErrorBadParameter;
586            }
587        }
588    }
589    mKeyFrameInterval = vp8AndroidParams->nKeyFrameInterval;
590    mMinQuantizer = vp8AndroidParams->nMinQuantizer;
591    mMaxQuantizer = vp8AndroidParams->nMaxQuantizer;
592    memcpy(mTemporalLayerBitrateRatio, vp8AndroidParams->nTemporalLayerBitrateRatio,
593            sizeof(mTemporalLayerBitrateRatio));
594    ALOGD("VP8: internalSetAndroidVp8Params. BRMode: %u. TS: %zu. KF: %u."
595          " QP: %u - %u BR0: %u. BR1: %u. BR2: %u",
596          (uint32_t)mBitrateControlMode, mTemporalLayers, mKeyFrameInterval,
597          mMinQuantizer, mMaxQuantizer, mTemporalLayerBitrateRatio[0],
598          mTemporalLayerBitrateRatio[1], mTemporalLayerBitrateRatio[2]);
599    return OMX_ErrorNone;
600}
601
602OMX_ERRORTYPE SoftVPXEncoder::internalSetBitrateParams(
603        const OMX_VIDEO_PARAM_BITRATETYPE* bitrate) {
604    if (bitrate->nPortIndex != kOutputPortIndex) {
605        return OMX_ErrorUnsupportedIndex;
606    }
607
608    mBitrate = bitrate->nTargetBitrate;
609
610    if (bitrate->eControlRate == OMX_Video_ControlRateVariable) {
611        mBitrateControlMode = VPX_VBR;
612    } else if (bitrate->eControlRate == OMX_Video_ControlRateConstant) {
613        mBitrateControlMode = VPX_CBR;
614    } else {
615        return OMX_ErrorUnsupportedSetting;
616    }
617
618    return OMX_ErrorNone;
619}
620
621vpx_enc_frame_flags_t SoftVPXEncoder::getEncodeFlags() {
622    vpx_enc_frame_flags_t flags = 0;
623    int patternIdx = mTemporalPatternIdx % mTemporalPatternLength;
624    mTemporalPatternIdx++;
625    switch (mTemporalPattern[patternIdx]) {
626        case kTemporalUpdateLast:
627            flags |= VP8_EFLAG_NO_UPD_GF;
628            flags |= VP8_EFLAG_NO_UPD_ARF;
629            flags |= VP8_EFLAG_NO_REF_GF;
630            flags |= VP8_EFLAG_NO_REF_ARF;
631            break;
632        case kTemporalUpdateGoldenWithoutDependency:
633            flags |= VP8_EFLAG_NO_REF_GF;
634            // Deliberately no break here.
635        case kTemporalUpdateGolden:
636            flags |= VP8_EFLAG_NO_REF_ARF;
637            flags |= VP8_EFLAG_NO_UPD_ARF;
638            flags |= VP8_EFLAG_NO_UPD_LAST;
639            break;
640        case kTemporalUpdateAltrefWithoutDependency:
641            flags |= VP8_EFLAG_NO_REF_ARF;
642            flags |= VP8_EFLAG_NO_REF_GF;
643            // Deliberately no break here.
644        case kTemporalUpdateAltref:
645            flags |= VP8_EFLAG_NO_UPD_GF;
646            flags |= VP8_EFLAG_NO_UPD_LAST;
647            break;
648        case kTemporalUpdateNoneNoRefAltref:
649            flags |= VP8_EFLAG_NO_REF_ARF;
650            // Deliberately no break here.
651        case kTemporalUpdateNone:
652            flags |= VP8_EFLAG_NO_UPD_GF;
653            flags |= VP8_EFLAG_NO_UPD_ARF;
654            flags |= VP8_EFLAG_NO_UPD_LAST;
655            flags |= VP8_EFLAG_NO_UPD_ENTROPY;
656            break;
657        case kTemporalUpdateNoneNoRefGoldenRefAltRef:
658            flags |= VP8_EFLAG_NO_REF_GF;
659            flags |= VP8_EFLAG_NO_UPD_GF;
660            flags |= VP8_EFLAG_NO_UPD_ARF;
661            flags |= VP8_EFLAG_NO_UPD_LAST;
662            flags |= VP8_EFLAG_NO_UPD_ENTROPY;
663            break;
664        case kTemporalUpdateGoldenWithoutDependencyRefAltRef:
665            flags |= VP8_EFLAG_NO_REF_GF;
666            flags |= VP8_EFLAG_NO_UPD_ARF;
667            flags |= VP8_EFLAG_NO_UPD_LAST;
668            break;
669        case kTemporalUpdateLastRefAltRef:
670            flags |= VP8_EFLAG_NO_UPD_GF;
671            flags |= VP8_EFLAG_NO_UPD_ARF;
672            flags |= VP8_EFLAG_NO_REF_GF;
673            break;
674        case kTemporalUpdateGoldenRefAltRef:
675            flags |= VP8_EFLAG_NO_UPD_ARF;
676            flags |= VP8_EFLAG_NO_UPD_LAST;
677            break;
678        case kTemporalUpdateLastAndGoldenRefAltRef:
679            flags |= VP8_EFLAG_NO_UPD_ARF;
680            flags |= VP8_EFLAG_NO_REF_GF;
681            break;
682        case kTemporalUpdateLastRefAll:
683            flags |= VP8_EFLAG_NO_UPD_ARF;
684            flags |= VP8_EFLAG_NO_UPD_GF;
685            break;
686    }
687    return flags;
688}
689
690void SoftVPXEncoder::onQueueFilled(OMX_U32 /* portIndex */) {
691    // Initialize encoder if not already
692    if (mCodecContext == NULL) {
693        if (OK != initEncoder()) {
694            ALOGE("Failed to initialize encoder");
695            notify(OMX_EventError,
696                   OMX_ErrorUndefined,
697                   0,  // Extra notification data
698                   NULL);  // Notification data pointer
699            return;
700        }
701    }
702
703    vpx_codec_err_t codec_return;
704    List<BufferInfo *> &inputBufferInfoQueue = getPortQueue(kInputPortIndex);
705    List<BufferInfo *> &outputBufferInfoQueue = getPortQueue(kOutputPortIndex);
706
707    while (!inputBufferInfoQueue.empty() && !outputBufferInfoQueue.empty()) {
708        BufferInfo *inputBufferInfo = *inputBufferInfoQueue.begin();
709        OMX_BUFFERHEADERTYPE *inputBufferHeader = inputBufferInfo->mHeader;
710
711        BufferInfo *outputBufferInfo = *outputBufferInfoQueue.begin();
712        OMX_BUFFERHEADERTYPE *outputBufferHeader = outputBufferInfo->mHeader;
713
714        if ((inputBufferHeader->nFlags & OMX_BUFFERFLAG_EOS) &&
715                inputBufferHeader->nFilledLen == 0) {
716            inputBufferInfoQueue.erase(inputBufferInfoQueue.begin());
717            inputBufferInfo->mOwnedByUs = false;
718            notifyEmptyBufferDone(inputBufferHeader);
719
720            outputBufferHeader->nFilledLen = 0;
721            outputBufferHeader->nFlags = OMX_BUFFERFLAG_EOS;
722
723            outputBufferInfoQueue.erase(outputBufferInfoQueue.begin());
724            outputBufferInfo->mOwnedByUs = false;
725            notifyFillBufferDone(outputBufferHeader);
726            return;
727        }
728
729        const uint8_t *source =
730            inputBufferHeader->pBuffer + inputBufferHeader->nOffset;
731
732        if (mInputDataIsMeta) {
733            source = extractGraphicBuffer(
734                    mConversionBuffer, mWidth * mHeight * 3 / 2,
735                    source, inputBufferHeader->nFilledLen,
736                    mWidth, mHeight);
737            if (source == NULL) {
738                ALOGE("Unable to extract gralloc buffer in metadata mode");
739                notify(OMX_EventError, OMX_ErrorUndefined, 0, 0);
740                return;
741            }
742        } else if (mColorFormat == OMX_COLOR_FormatYUV420SemiPlanar) {
743            ConvertYUV420SemiPlanarToYUV420Planar(
744                    source, mConversionBuffer, mWidth, mHeight);
745
746            source = mConversionBuffer;
747        }
748        vpx_image_t raw_frame;
749        vpx_img_wrap(&raw_frame, VPX_IMG_FMT_I420, mWidth, mHeight,
750                     kInputBufferAlignment, (uint8_t *)source);
751
752        vpx_enc_frame_flags_t flags = 0;
753        if (mTemporalPatternLength > 0) {
754            flags = getEncodeFlags();
755        }
756        if (mKeyFrameRequested) {
757            flags |= VPX_EFLAG_FORCE_KF;
758            mKeyFrameRequested = false;
759        }
760
761        if (mBitrateUpdated) {
762            mCodecConfiguration->rc_target_bitrate = mBitrate/1000;
763            vpx_codec_err_t res = vpx_codec_enc_config_set(mCodecContext,
764                                                           mCodecConfiguration);
765            if (res != VPX_CODEC_OK) {
766                ALOGE("vp8 encoder failed to update bitrate: %s",
767                      vpx_codec_err_to_string(res));
768                notify(OMX_EventError,
769                       OMX_ErrorUndefined,
770                       0, // Extra notification data
771                       NULL); // Notification data pointer
772            }
773            mBitrateUpdated = false;
774        }
775
776        uint32_t frameDuration;
777        if (inputBufferHeader->nTimeStamp > mLastTimestamp) {
778            frameDuration = (uint32_t)(inputBufferHeader->nTimeStamp - mLastTimestamp);
779        } else {
780            frameDuration = (uint32_t)(((uint64_t)1000000 << 16) / mFramerate);
781        }
782        mLastTimestamp = inputBufferHeader->nTimeStamp;
783        codec_return = vpx_codec_encode(
784                mCodecContext,
785                &raw_frame,
786                inputBufferHeader->nTimeStamp,  // in timebase units
787                frameDuration,  // frame duration in timebase units
788                flags,  // frame flags
789                VPX_DL_REALTIME);  // encoding deadline
790        if (codec_return != VPX_CODEC_OK) {
791            ALOGE("vpx encoder failed to encode frame");
792            notify(OMX_EventError,
793                   OMX_ErrorUndefined,
794                   0,  // Extra notification data
795                   NULL);  // Notification data pointer
796            return;
797        }
798
799        vpx_codec_iter_t encoded_packet_iterator = NULL;
800        const vpx_codec_cx_pkt_t* encoded_packet;
801
802        while ((encoded_packet = vpx_codec_get_cx_data(
803                        mCodecContext, &encoded_packet_iterator))) {
804            if (encoded_packet->kind == VPX_CODEC_CX_FRAME_PKT) {
805                outputBufferHeader->nTimeStamp = encoded_packet->data.frame.pts;
806                outputBufferHeader->nFlags = 0;
807                if (encoded_packet->data.frame.flags & VPX_FRAME_IS_KEY)
808                  outputBufferHeader->nFlags |= OMX_BUFFERFLAG_SYNCFRAME;
809                outputBufferHeader->nOffset = 0;
810                outputBufferHeader->nFilledLen = encoded_packet->data.frame.sz;
811                memcpy(outputBufferHeader->pBuffer,
812                       encoded_packet->data.frame.buf,
813                       encoded_packet->data.frame.sz);
814                outputBufferInfo->mOwnedByUs = false;
815                outputBufferInfoQueue.erase(outputBufferInfoQueue.begin());
816                if (inputBufferHeader->nFlags & OMX_BUFFERFLAG_EOS) {
817                    outputBufferHeader->nFlags |= OMX_BUFFERFLAG_EOS;
818                }
819                notifyFillBufferDone(outputBufferHeader);
820            }
821        }
822
823        inputBufferInfo->mOwnedByUs = false;
824        inputBufferInfoQueue.erase(inputBufferInfoQueue.begin());
825        notifyEmptyBufferDone(inputBufferHeader);
826    }
827}
828
829}  // namespace android
830
831
832android::SoftOMXComponent *createSoftOMXComponent(
833        const char *name, const OMX_CALLBACKTYPE *callbacks,
834        OMX_PTR appData, OMX_COMPONENTTYPE **component) {
835    return new android::SoftVPXEncoder(name, callbacks, appData, component);
836}
837