diff options
Diffstat (limited to 'media/libstagefright/ACodec.cpp')
-rw-r--r-- | media/libstagefright/ACodec.cpp | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/media/libstagefright/ACodec.cpp b/media/libstagefright/ACodec.cpp index 9164e5c..20a5a8b 100644 --- a/media/libstagefright/ACodec.cpp +++ b/media/libstagefright/ACodec.cpp @@ -36,6 +36,7 @@ #include <media/hardware/HardwareAPI.h> #include <OMX_AudioExt.h> +#include <OMX_VideoExt.h> #include <OMX_Component.h> #include <OMX_IndexExt.h> @@ -2369,12 +2370,81 @@ status_t ACodec::setupAVCEncoderParameters(const sp<AMessage> &msg) { status_t ACodec::setupVPXEncoderParameters(const sp<AMessage> &msg) { int32_t bitrate; + int32_t iFrameInterval = 0; + size_t tsLayers = 0; + OMX_VIDEO_ANDROID_VPXTEMPORALLAYERPATTERNTYPE pattern = + OMX_VIDEO_VPXTemporalLayerPatternNone; + static const uint32_t kVp8LayerRateAlloction + [OMX_VIDEO_ANDROID_MAXVP8TEMPORALLAYERS] + [OMX_VIDEO_ANDROID_MAXVP8TEMPORALLAYERS] = { + {100, 100, 100}, // 1 layer + { 60, 100, 100}, // 2 layers {60%, 40%} + { 40, 60, 100}, // 3 layers {40%, 20%, 40%} + }; if (!msg->findInt32("bitrate", &bitrate)) { return INVALID_OPERATION; } + msg->findInt32("i-frame-interval", &iFrameInterval); OMX_VIDEO_CONTROLRATETYPE bitrateMode = getBitrateMode(msg); + float frameRate; + if (!msg->findFloat("frame-rate", &frameRate)) { + int32_t tmp; + if (!msg->findInt32("frame-rate", &tmp)) { + return INVALID_OPERATION; + } + frameRate = (float)tmp; + } + + AString tsSchema; + if (msg->findString("ts-schema", &tsSchema)) { + if (tsSchema == "webrtc.vp8.1-layer") { + pattern = OMX_VIDEO_VPXTemporalLayerPatternWebRTC; + tsLayers = 1; + } else if (tsSchema == "webrtc.vp8.2-layer") { + pattern = OMX_VIDEO_VPXTemporalLayerPatternWebRTC; + tsLayers = 2; + } else if (tsSchema == "webrtc.vp8.3-layer") { + pattern = OMX_VIDEO_VPXTemporalLayerPatternWebRTC; + tsLayers = 3; + } else { + ALOGW("Unsupported ts-schema [%s]", tsSchema.c_str()); + } + } + + OMX_VIDEO_PARAM_ANDROID_VP8ENCODERTYPE vp8type; + InitOMXParams(&vp8type); + vp8type.nPortIndex = kPortIndexOutput; + status_t err = mOMX->getParameter( + mNode, (OMX_INDEXTYPE)OMX_IndexParamVideoAndroidVp8Encoder, + &vp8type, sizeof(vp8type)); + + if (err == OK) { + if (iFrameInterval > 0) { + vp8type.nKeyFrameInterval = setPFramesSpacing(iFrameInterval, frameRate); + } + vp8type.eTemporalPattern = pattern; + vp8type.nTemporalLayerCount = tsLayers; + if (tsLayers > 0) { + for (size_t i = 0; i < OMX_VIDEO_ANDROID_MAXVP8TEMPORALLAYERS; i++) { + vp8type.nTemporalLayerBitrateRatio[i] = + kVp8LayerRateAlloction[tsLayers - 1][i]; + } + } + if (bitrateMode == OMX_Video_ControlRateConstant) { + vp8type.nMinQuantizer = 2; + vp8type.nMaxQuantizer = 63; + } + + err = mOMX->setParameter( + mNode, (OMX_INDEXTYPE)OMX_IndexParamVideoAndroidVp8Encoder, + &vp8type, sizeof(vp8type)); + if (err != OK) { + ALOGW("Extended VP8 parameters set failed: %d", err); + } + } + return configureBitrate(bitrate, bitrateMode); } |