diff options
Diffstat (limited to 'media/libstagefright/codecs/on2/enc/SoftVPXEncoder.cpp')
| -rw-r--r-- | media/libstagefright/codecs/on2/enc/SoftVPXEncoder.cpp | 333 |
1 files changed, 314 insertions, 19 deletions
diff --git a/media/libstagefright/codecs/on2/enc/SoftVPXEncoder.cpp b/media/libstagefright/codecs/on2/enc/SoftVPXEncoder.cpp index 5efe022..dc38ea8 100644 --- a/media/libstagefright/codecs/on2/enc/SoftVPXEncoder.cpp +++ b/media/libstagefright/codecs/on2/enc/SoftVPXEncoder.cpp @@ -27,7 +27,6 @@ namespace android { - template<class T> static void InitOMXParams(T *params) { params->nSize = sizeof(T); @@ -141,17 +140,27 @@ SoftVPXEncoder::SoftVPXEncoder(const char *name, mWidth(176), mHeight(144), mBitrate(192000), // in bps + mFramerate(30 << 16), // in Q16 format mBitrateUpdated(false), mBitrateControlMode(VPX_VBR), // variable bitrate - mFrameDurationUs(33333), // Defaults to 30 fps mDCTPartitions(0), mErrorResilience(OMX_FALSE), mColorFormat(OMX_COLOR_FormatYUV420Planar), mLevel(OMX_VIDEO_VP8Level_Version0), + mKeyFrameInterval(0), + mMinQuantizer(0), + mMaxQuantizer(0), + mTemporalLayers(0), + mTemporalPatternType(OMX_VIDEO_VPXTemporalLayerPatternNone), + mTemporalPatternLength(0), + mTemporalPatternIdx(0), + mLastTimestamp(0x7FFFFFFFFFFFFFFFLL), mConversionBuffer(NULL), mInputDataIsMeta(false), mGrallocModule(NULL), mKeyFrameRequested(false) { + memset(mTemporalLayerBitrateRatio, 0, sizeof(mTemporalLayerBitrateRatio)); + mTemporalLayerBitrateRatio[0] = 100; initPorts(); } @@ -180,9 +189,8 @@ void SoftVPXEncoder::initPorts() { inputPort.format.video.nStride = inputPort.format.video.nFrameWidth; inputPort.format.video.nSliceHeight = inputPort.format.video.nFrameHeight; inputPort.format.video.nBitrate = 0; - // frameRate is reciprocal of frameDuration, which is - // in microseconds. It is also in Q16 format. - inputPort.format.video.xFramerate = (1000000/mFrameDurationUs) << 16; + // frameRate is in Q16 format. + inputPort.format.video.xFramerate = mFramerate; inputPort.format.video.bFlagErrorConcealment = OMX_FALSE; inputPort.nPortIndex = kInputPortIndex; inputPort.eDir = OMX_DirInput; @@ -220,7 +228,7 @@ void SoftVPXEncoder::initPorts() { outputPort.format.video.eCompressionFormat = OMX_VIDEO_CodingVP8; outputPort.format.video.eColorFormat = OMX_COLOR_FormatUnused; outputPort.format.video.pNativeWindow = NULL; - outputPort.nBufferSize = 256 * 1024; // arbitrary + outputPort.nBufferSize = 1024 * 1024; // arbitrary addPort(outputPort); } @@ -236,7 +244,9 @@ status_t SoftVPXEncoder::initEncoder() { if (mCodecInterface == NULL) { return UNKNOWN_ERROR; } - + ALOGD("VP8: initEncoder. BRMode: %u. TSLayers: %zu. KF: %u. QP: %u - %u", + (uint32_t)mBitrateControlMode, mTemporalLayers, mKeyFrameInterval, + mMinQuantizer, mMaxQuantizer); codec_return = vpx_codec_enc_config_default(mCodecInterface, mCodecConfiguration, 0); // Codec specific flags @@ -277,8 +287,120 @@ status_t SoftVPXEncoder::initEncoder() { mCodecConfiguration->g_timebase.num = 1; mCodecConfiguration->g_timebase.den = 1000000; // rc_target_bitrate is in kbps, mBitrate in bps - mCodecConfiguration->rc_target_bitrate = mBitrate/1000; + mCodecConfiguration->rc_target_bitrate = (mBitrate + 500) / 1000; mCodecConfiguration->rc_end_usage = mBitrateControlMode; + // Disable frame drop - not allowed in MediaCodec now. + mCodecConfiguration->rc_dropframe_thresh = 0; + if (mBitrateControlMode == VPX_CBR) { + // Disable spatial resizing. + mCodecConfiguration->rc_resize_allowed = 0; + // Single-pass mode. + mCodecConfiguration->g_pass = VPX_RC_ONE_PASS; + // Maximum amount of bits that can be subtracted from the target + // bitrate - expressed as percentage of the target bitrate. + mCodecConfiguration->rc_undershoot_pct = 100; + // Maximum amount of bits that can be added to the target + // bitrate - expressed as percentage of the target bitrate. + mCodecConfiguration->rc_overshoot_pct = 15; + // Initial value of the buffer level in ms. + mCodecConfiguration->rc_buf_initial_sz = 500; + // Amount of data that the encoder should try to maintain in ms. + mCodecConfiguration->rc_buf_optimal_sz = 600; + // The amount of data that may be buffered by the decoding + // application in ms. + mCodecConfiguration->rc_buf_sz = 1000; + // Enable error resilience - needed for packet loss. + mCodecConfiguration->g_error_resilient = 1; + // Disable lagged encoding. + mCodecConfiguration->g_lag_in_frames = 0; + // Maximum key frame interval - for CBR boost to 3000 + mCodecConfiguration->kf_max_dist = 3000; + // Encoder determines optimal key frame placement automatically. + mCodecConfiguration->kf_mode = VPX_KF_AUTO; + } + + // Frames temporal pattern - for now WebRTC like pattern is only supported. + switch (mTemporalLayers) { + case 0: + { + mTemporalPatternLength = 0; + break; + } + case 1: + { + mCodecConfiguration->ts_number_layers = 1; + mCodecConfiguration->ts_rate_decimator[0] = 1; + mCodecConfiguration->ts_periodicity = 1; + mCodecConfiguration->ts_layer_id[0] = 0; + mTemporalPattern[0] = kTemporalUpdateLastRefAll; + mTemporalPatternLength = 1; + break; + } + case 2: + { + mCodecConfiguration->ts_number_layers = 2; + mCodecConfiguration->ts_rate_decimator[0] = 2; + mCodecConfiguration->ts_rate_decimator[1] = 1; + mCodecConfiguration->ts_periodicity = 2; + mCodecConfiguration->ts_layer_id[0] = 0; + mCodecConfiguration->ts_layer_id[1] = 1; + mTemporalPattern[0] = kTemporalUpdateLastAndGoldenRefAltRef; + mTemporalPattern[1] = kTemporalUpdateGoldenWithoutDependencyRefAltRef; + mTemporalPattern[2] = kTemporalUpdateLastRefAltRef; + mTemporalPattern[3] = kTemporalUpdateGoldenRefAltRef; + mTemporalPattern[4] = kTemporalUpdateLastRefAltRef; + mTemporalPattern[5] = kTemporalUpdateGoldenRefAltRef; + mTemporalPattern[6] = kTemporalUpdateLastRefAltRef; + mTemporalPattern[7] = kTemporalUpdateNone; + mTemporalPatternLength = 8; + break; + } + case 3: + { + mCodecConfiguration->ts_number_layers = 3; + mCodecConfiguration->ts_rate_decimator[0] = 4; + mCodecConfiguration->ts_rate_decimator[1] = 2; + mCodecConfiguration->ts_rate_decimator[2] = 1; + mCodecConfiguration->ts_periodicity = 4; + mCodecConfiguration->ts_layer_id[0] = 0; + mCodecConfiguration->ts_layer_id[1] = 2; + mCodecConfiguration->ts_layer_id[2] = 1; + mCodecConfiguration->ts_layer_id[3] = 2; + mTemporalPattern[0] = kTemporalUpdateLastAndGoldenRefAltRef; + mTemporalPattern[1] = kTemporalUpdateNoneNoRefGoldenRefAltRef; + mTemporalPattern[2] = kTemporalUpdateGoldenWithoutDependencyRefAltRef; + mTemporalPattern[3] = kTemporalUpdateNone; + mTemporalPattern[4] = kTemporalUpdateLastRefAltRef; + mTemporalPattern[5] = kTemporalUpdateNone; + mTemporalPattern[6] = kTemporalUpdateGoldenRefAltRef; + mTemporalPattern[7] = kTemporalUpdateNone; + mTemporalPatternLength = 8; + break; + } + default: + { + ALOGE("Wrong number of temporal layers %u", mTemporalLayers); + return UNKNOWN_ERROR; + } + } + + // Set bitrate values for each layer + for (size_t i = 0; i < mCodecConfiguration->ts_number_layers; i++) { + mCodecConfiguration->ts_target_bitrate[i] = + mCodecConfiguration->rc_target_bitrate * + mTemporalLayerBitrateRatio[i] / 100; + } + if (mKeyFrameInterval > 0) { + mCodecConfiguration->kf_max_dist = mKeyFrameInterval; + mCodecConfiguration->kf_min_dist = mKeyFrameInterval; + mCodecConfiguration->kf_mode = VPX_KF_AUTO; + } + if (mMinQuantizer > 0) { + mCodecConfiguration->rc_min_quantizer = mMinQuantizer; + } + if (mMaxQuantizer > 0) { + mCodecConfiguration->rc_max_quantizer = mMaxQuantizer; + } codec_return = vpx_codec_enc_init(mCodecContext, mCodecInterface, @@ -298,6 +420,33 @@ status_t SoftVPXEncoder::initEncoder() { return UNKNOWN_ERROR; } + // Extra CBR settings + if (mBitrateControlMode == VPX_CBR) { + codec_return = vpx_codec_control(mCodecContext, + VP8E_SET_STATIC_THRESHOLD, + 1); + if (codec_return == VPX_CODEC_OK) { + uint32_t rc_max_intra_target = + mCodecConfiguration->rc_buf_optimal_sz * (mFramerate >> 17) / 10; + // Don't go below 3 times per frame bandwidth. + if (rc_max_intra_target < 300) { + rc_max_intra_target = 300; + } + codec_return = vpx_codec_control(mCodecContext, + VP8E_SET_MAX_INTRA_BITRATE_PCT, + rc_max_intra_target); + } + if (codec_return == VPX_CODEC_OK) { + codec_return = vpx_codec_control(mCodecContext, + VP8E_SET_CPUUSED, + -8); + } + if (codec_return != VPX_CODEC_OK) { + ALOGE("Error setting cbr parameters for vpx encoder."); + return UNKNOWN_ERROR; + } + } + if (mColorFormat == OMX_COLOR_FormatYUV420SemiPlanar || mInputDataIsMeta) { if (mConversionBuffer == NULL) { mConversionBuffer = (uint8_t *)malloc(mWidth * mHeight * 3 / 2); @@ -361,9 +510,7 @@ OMX_ERRORTYPE SoftVPXEncoder::internalGetParameter(OMX_INDEXTYPE index, } formatParams->eCompressionFormat = OMX_VIDEO_CodingUnused; - // Converting from microseconds - // Also converting to Q16 format - formatParams->xFramerate = (1000000/mFrameDurationUs) << 16; + formatParams->xFramerate = mFramerate; return OMX_ErrorNone; } else if (formatParams->nPortIndex == kOutputPortIndex) { formatParams->eCompressionFormat = OMX_VIDEO_CodingVP8; @@ -411,6 +558,24 @@ OMX_ERRORTYPE SoftVPXEncoder::internalGetParameter(OMX_INDEXTYPE index, return OMX_ErrorNone; } + case OMX_IndexParamVideoAndroidVp8Encoder: { + OMX_VIDEO_PARAM_ANDROID_VP8ENCODERTYPE *vp8AndroidParams = + (OMX_VIDEO_PARAM_ANDROID_VP8ENCODERTYPE *)param; + + if (vp8AndroidParams->nPortIndex != kOutputPortIndex) { + return OMX_ErrorUnsupportedIndex; + } + + vp8AndroidParams->nKeyFrameInterval = mKeyFrameInterval; + vp8AndroidParams->eTemporalPattern = mTemporalPatternType; + vp8AndroidParams->nTemporalLayerCount = mTemporalLayers; + vp8AndroidParams->nMinQuantizer = mMinQuantizer; + vp8AndroidParams->nMaxQuantizer = mMaxQuantizer; + memcpy(vp8AndroidParams->nTemporalLayerBitrateRatio, + mTemporalLayerBitrateRatio, sizeof(mTemporalLayerBitrateRatio)); + return OMX_ErrorNone; + } + case OMX_IndexParamVideoProfileLevelQuerySupported: { OMX_VIDEO_PARAM_PROFILELEVELTYPE *profileAndLevel = (OMX_VIDEO_PARAM_PROFILELEVELTYPE *)param; @@ -497,11 +662,15 @@ OMX_ERRORTYPE SoftVPXEncoder::internalSetParameter(OMX_INDEXTYPE index, return internalSetVp8Params( (const OMX_VIDEO_PARAM_VP8TYPE *)param); + case OMX_IndexParamVideoAndroidVp8Encoder: + return internalSetAndroidVp8Params( + (const OMX_VIDEO_PARAM_ANDROID_VP8ENCODERTYPE *)param); + case OMX_IndexParamVideoProfileLevelCurrent: return internalSetProfileLevel( (const OMX_VIDEO_PARAM_PROFILELEVELTYPE *)param); - case OMX_IndexVendorStartUnused: + case kStoreMetaDataExtensionIndex: { // storeMetaDataInBuffers const StoreMetaDataInBuffersParams *storeParam = @@ -610,6 +779,50 @@ OMX_ERRORTYPE SoftVPXEncoder::internalSetVp8Params( return OMX_ErrorNone; } +OMX_ERRORTYPE SoftVPXEncoder::internalSetAndroidVp8Params( + const OMX_VIDEO_PARAM_ANDROID_VP8ENCODERTYPE* vp8AndroidParams) { + if (vp8AndroidParams->nPortIndex != kOutputPortIndex) { + return OMX_ErrorUnsupportedIndex; + } + if (vp8AndroidParams->eTemporalPattern != OMX_VIDEO_VPXTemporalLayerPatternNone && + vp8AndroidParams->eTemporalPattern != OMX_VIDEO_VPXTemporalLayerPatternWebRTC) { + return OMX_ErrorBadParameter; + } + if (vp8AndroidParams->nTemporalLayerCount > OMX_VIDEO_ANDROID_MAXVP8TEMPORALLAYERS) { + return OMX_ErrorBadParameter; + } + if (vp8AndroidParams->nMinQuantizer > vp8AndroidParams->nMaxQuantizer) { + return OMX_ErrorBadParameter; + } + + mTemporalPatternType = vp8AndroidParams->eTemporalPattern; + if (vp8AndroidParams->eTemporalPattern == OMX_VIDEO_VPXTemporalLayerPatternWebRTC) { + mTemporalLayers = vp8AndroidParams->nTemporalLayerCount; + } else if (vp8AndroidParams->eTemporalPattern == OMX_VIDEO_VPXTemporalLayerPatternNone) { + mTemporalLayers = 0; + } + // Check the bitrate distribution between layers is in increasing order + if (mTemporalLayers > 1) { + for (size_t i = 0; i < mTemporalLayers - 1; i++) { + if (vp8AndroidParams->nTemporalLayerBitrateRatio[i + 1] <= + vp8AndroidParams->nTemporalLayerBitrateRatio[i]) { + ALOGE("Wrong bitrate ratio - should be in increasing order."); + return OMX_ErrorBadParameter; + } + } + } + mKeyFrameInterval = vp8AndroidParams->nKeyFrameInterval; + mMinQuantizer = vp8AndroidParams->nMinQuantizer; + mMaxQuantizer = vp8AndroidParams->nMaxQuantizer; + memcpy(mTemporalLayerBitrateRatio, vp8AndroidParams->nTemporalLayerBitrateRatio, + sizeof(mTemporalLayerBitrateRatio)); + ALOGD("VP8: internalSetAndroidVp8Params. BRMode: %u. TS: %zu. KF: %u." + " QP: %u - %u BR0: %u. BR1: %u. BR2: %u", + (uint32_t)mBitrateControlMode, mTemporalLayers, mKeyFrameInterval, + mMinQuantizer, mMaxQuantizer, mTemporalLayerBitrateRatio[0], + mTemporalLayerBitrateRatio[1], mTemporalLayerBitrateRatio[2]); + return OMX_ErrorNone; +} OMX_ERRORTYPE SoftVPXEncoder::internalSetFormatParams( const OMX_VIDEO_PARAM_PORTFORMATTYPE* format) { @@ -660,9 +873,7 @@ OMX_ERRORTYPE SoftVPXEncoder::internalSetPortParams( mHeight = port->format.video.nFrameHeight; // xFramerate comes in Q16 format, in frames per second unit - const uint32_t framerate = port->format.video.xFramerate >> 16; - // frame duration is in microseconds - mFrameDurationUs = (1000000/framerate); + mFramerate = port->format.video.xFramerate; if (port->format.video.eColorFormat == OMX_COLOR_FormatYUV420Planar || port->format.video.eColorFormat == OMX_COLOR_FormatYUV420SemiPlanar || @@ -675,7 +886,7 @@ OMX_ERRORTYPE SoftVPXEncoder::internalSetPortParams( OMX_PARAM_PORTDEFINITIONTYPE *def = &editPortInfo(kInputPortIndex)->mDef; def->format.video.nFrameWidth = mWidth; def->format.video.nFrameHeight = mHeight; - def->format.video.xFramerate = port->format.video.xFramerate; + def->format.video.xFramerate = mFramerate; def->format.video.eColorFormat = mColorFormat; def = &editPortInfo(kOutputPortIndex)->mDef; def->format.video.nFrameWidth = mWidth; @@ -684,6 +895,13 @@ OMX_ERRORTYPE SoftVPXEncoder::internalSetPortParams( return OMX_ErrorNone; } else if (port->nPortIndex == kOutputPortIndex) { mBitrate = port->format.video.nBitrate; + mWidth = port->format.video.nFrameWidth; + mHeight = port->format.video.nFrameHeight; + + OMX_PARAM_PORTDEFINITIONTYPE *def = &editPortInfo(kOutputPortIndex)->mDef; + def->format.video.nFrameWidth = mWidth; + def->format.video.nFrameHeight = mHeight; + def->format.video.nBitrate = mBitrate; return OMX_ErrorNone; } else { return OMX_ErrorBadPortIndex; @@ -710,6 +928,74 @@ OMX_ERRORTYPE SoftVPXEncoder::internalSetBitrateParams( return OMX_ErrorNone; } +vpx_enc_frame_flags_t SoftVPXEncoder::getEncodeFlags() { + vpx_enc_frame_flags_t flags = 0; + int patternIdx = mTemporalPatternIdx % mTemporalPatternLength; + mTemporalPatternIdx++; + switch (mTemporalPattern[patternIdx]) { + case kTemporalUpdateLast: + flags |= VP8_EFLAG_NO_UPD_GF; + flags |= VP8_EFLAG_NO_UPD_ARF; + flags |= VP8_EFLAG_NO_REF_GF; + flags |= VP8_EFLAG_NO_REF_ARF; + break; + case kTemporalUpdateGoldenWithoutDependency: + flags |= VP8_EFLAG_NO_REF_GF; + // Deliberately no break here. + case kTemporalUpdateGolden: + flags |= VP8_EFLAG_NO_REF_ARF; + flags |= VP8_EFLAG_NO_UPD_ARF; + flags |= VP8_EFLAG_NO_UPD_LAST; + break; + case kTemporalUpdateAltrefWithoutDependency: + flags |= VP8_EFLAG_NO_REF_ARF; + flags |= VP8_EFLAG_NO_REF_GF; + // Deliberately no break here. + case kTemporalUpdateAltref: + flags |= VP8_EFLAG_NO_UPD_GF; + flags |= VP8_EFLAG_NO_UPD_LAST; + break; + case kTemporalUpdateNoneNoRefAltref: + flags |= VP8_EFLAG_NO_REF_ARF; + // Deliberately no break here. + case kTemporalUpdateNone: + flags |= VP8_EFLAG_NO_UPD_GF; + flags |= VP8_EFLAG_NO_UPD_ARF; + flags |= VP8_EFLAG_NO_UPD_LAST; + flags |= VP8_EFLAG_NO_UPD_ENTROPY; + break; + case kTemporalUpdateNoneNoRefGoldenRefAltRef: + flags |= VP8_EFLAG_NO_REF_GF; + flags |= VP8_EFLAG_NO_UPD_GF; + flags |= VP8_EFLAG_NO_UPD_ARF; + flags |= VP8_EFLAG_NO_UPD_LAST; + flags |= VP8_EFLAG_NO_UPD_ENTROPY; + break; + case kTemporalUpdateGoldenWithoutDependencyRefAltRef: + flags |= VP8_EFLAG_NO_REF_GF; + flags |= VP8_EFLAG_NO_UPD_ARF; + flags |= VP8_EFLAG_NO_UPD_LAST; + break; + case kTemporalUpdateLastRefAltRef: + flags |= VP8_EFLAG_NO_UPD_GF; + flags |= VP8_EFLAG_NO_UPD_ARF; + flags |= VP8_EFLAG_NO_REF_GF; + break; + case kTemporalUpdateGoldenRefAltRef: + flags |= VP8_EFLAG_NO_UPD_ARF; + flags |= VP8_EFLAG_NO_UPD_LAST; + break; + case kTemporalUpdateLastAndGoldenRefAltRef: + flags |= VP8_EFLAG_NO_UPD_ARF; + flags |= VP8_EFLAG_NO_REF_GF; + break; + case kTemporalUpdateLastRefAll: + flags |= VP8_EFLAG_NO_UPD_ARF; + flags |= VP8_EFLAG_NO_UPD_GF; + break; + } + return flags; +} void SoftVPXEncoder::onQueueFilled(OMX_U32 portIndex) { // Initialize encoder if not already @@ -794,6 +1080,9 @@ void SoftVPXEncoder::onQueueFilled(OMX_U32 portIndex) { kInputBufferAlignment, source); vpx_enc_frame_flags_t flags = 0; + if (mTemporalPatternLength > 0) { + flags = getEncodeFlags(); + } if (mKeyFrameRequested) { flags |= VPX_EFLAG_FORCE_KF; mKeyFrameRequested = false; @@ -814,11 +1103,18 @@ void SoftVPXEncoder::onQueueFilled(OMX_U32 portIndex) { mBitrateUpdated = false; } + uint32_t frameDuration; + if (inputBufferHeader->nTimeStamp > mLastTimestamp) { + frameDuration = (uint32_t)(inputBufferHeader->nTimeStamp - mLastTimestamp); + } else { + frameDuration = (uint32_t)(((uint64_t)1000000 << 16) / mFramerate); + } + mLastTimestamp = inputBufferHeader->nTimeStamp; codec_return = vpx_codec_encode( mCodecContext, &raw_frame, inputBufferHeader->nTimeStamp, // in timebase units - mFrameDurationUs, // frame duration in timebase units + frameDuration, // frame duration in timebase units flags, // frame flags VPX_DL_REALTIME); // encoding deadline if (codec_return != VPX_CODEC_OK) { @@ -860,10 +1156,9 @@ void SoftVPXEncoder::onQueueFilled(OMX_U32 portIndex) { OMX_ERRORTYPE SoftVPXEncoder::getExtensionIndex( const char *name, OMX_INDEXTYPE *index) { if (!strcmp(name, "OMX.google.android.index.storeMetaDataInBuffers")) { - *index = OMX_IndexVendorStartUnused; + *(int32_t*)index = kStoreMetaDataExtensionIndex; return OMX_ErrorNone; } - return SimpleSoftOMXComponent::getExtensionIndex(name, index); } |