Merge "stagefright: enable B-frames for AVC encoder and MPEG4 writer" into nyc-mr1-dev (db2d2066) · Commits · e / os / android_frameworks_av

media/libstagefright/ACodec.cpp

+8 −1

Original line number	Diff line number	Diff line
		@@ -4272,8 +4272,15 @@ status_t ACodec::setupAVCEncoderParameters(const sp<AMessage> &msg) {
		h264type.eProfile = static_cast<OMX_VIDEO_AVCPROFILETYPE>(profile);
		h264type.eLevel = static_cast<OMX_VIDEO_AVCLEVELTYPE>(level);
		} else {
		// Use baseline profile for AVC recording if profile is not specified.
		// Use largest supported profile for AVC recording if profile is not specified.
		h264type.eProfile = OMX_VIDEO_AVCProfileBaseline;
		for (OMX_VIDEO_AVCPROFILETYPE profile : {
		OMX_VIDEO_AVCProfileHigh, OMX_VIDEO_AVCProfileMain }) {
		if (verifySupportForProfileAndLevel(profile, 0) == OK) {
		h264type.eProfile = profile;
		break;
		}
		}
		}

		ALOGI("setupAVCEncoderParameters with [profile: %s] [level: %s]",

media/libstagefright/MPEG4Writer.cpp

+16 −0

Original line number	Diff line number	Diff line
		@@ -17,6 +17,8 @@
		//#define LOG_NDEBUG 0
		#define LOG_TAG "MPEG4Writer"

		#include <algorithm>

		#include <arpa/inet.h>
		#include <fcntl.h>
		#include <inttypes.h>
		@@ -30,6 +32,7 @@

		#include <media/stagefright/foundation/ADebug.h>
		#include <media/stagefright/foundation/AMessage.h>
		#include <media/stagefright/foundation/AUtils.h>
		#include <media/stagefright/foundation/ColorUtils.h>
		#include <media/stagefright/MPEG4Writer.h>
		#include <media/stagefright/MediaBuffer.h>
		@@ -256,6 +259,7 @@ private:
		int32_t mTrackId;
		int64_t mTrackDurationUs;
		int64_t mMaxChunkDurationUs;
		int64_t mLastDecodingTimeUs;

		int64_t mEstimatedTrackSizeBytes;
		int64_t mMdatSizeBytes;
		@@ -1928,6 +1932,7 @@ status_t MPEG4Writer::Track::start(MetaData *params) {
		mEstimatedTrackSizeBytes = 0;
		mMdatSizeBytes = 0;
		mMaxChunkDurationUs = 0;
		mLastDecodingTimeUs = -1;

		pthread_create(&mThread, &attr, ThreadWrapper, this);
		pthread_attr_destroy(&attr);
		@@ -2512,6 +2517,17 @@ status_t MPEG4Writer::Track::threadEntry() {
		int64_t decodingTimeUs;
		CHECK(meta_data->findInt64(kKeyDecodingTime, &decodingTimeUs));
		decodingTimeUs -= previousPausedDurationUs;

		// ensure non-negative, monotonic decoding time
		if (mLastDecodingTimeUs < 0) {
		decodingTimeUs = std::max((int64_t)0, decodingTimeUs);
		} else {
		// increase decoding time by at least 1 tick
		decodingTimeUs = std::max(
		mLastDecodingTimeUs + divUp(1000000, mTimeScale), decodingTimeUs);
		}

		mLastDecodingTimeUs = decodingTimeUs;
		cttsOffsetTimeUs =
		timestampUs + kMaxCttsOffsetTimeUs - decodingTimeUs;
		if (WARN_UNLESS(cttsOffsetTimeUs >= 0ll, "for %s track", trackName)) {