Support for writing to MPEG2 transport stream files. (9adf4660) · Commits · e / os / android_frameworks_base

include/media/mediarecorder.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -76,6 +76,9 @@ enum output_format {
		/* Stream over a socket, limited to a single stream */
		OUTPUT_FORMAT_RTP_AVP = 7,

		/* H.264/AAC data encapsulated in MPEG2/TS */
		OUTPUT_FORMAT_MPEG2TS = 8,

		OUTPUT_FORMAT_LIST_END // must be last - used to validate format type
		};

include/media/stagefright/MPEG2TSWriter.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -25,7 +25,10 @@

		namespace android {

		struct ABuffer;

		struct MPEG2TSWriter : public MediaWriter {
		MPEG2TSWriter(int fd);
		MPEG2TSWriter(const char *filename);

		virtual status_t addSource(const sp<MediaSource> &source);
		@@ -59,6 +62,8 @@ private:
		int64_t mNumTSPacketsWritten;
		int64_t mNumTSPacketsBeforeMeta;

		void init();

		void writeTS();
		void writeProgramAssociationTable();
		void writeProgramMap();

media/java/android/media/MediaRecorder.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -191,6 +191,9 @@ public class MediaRecorder

		/** @hide Stream over a socket, limited to a single stream */
		public static final int OUTPUT_FORMAT_RTP_AVP = 7;

		/** @hide H.264/AAC data encapsulated in MPEG2/TS */
		public static final int OUTPUT_FORMAT_MPEG2TS = 8;
		};

		/**

media/libmedia/mediarecorder.cpp

+1 −1

Original line number	Diff line number	Diff line
		@@ -181,7 +181,7 @@ status_t MediaRecorder::setOutputFormat(int of)
		LOGE("setOutputFormat called in an invalid state: %d", mCurrentState);
		return INVALID_OPERATION;
		}
		if (mIsVideoSourceSet && of >= OUTPUT_FORMAT_AUDIO_ONLY_START && of != OUTPUT_FORMAT_RTP_AVP) { //first non-video output format
		if (mIsVideoSourceSet && of >= OUTPUT_FORMAT_AUDIO_ONLY_START && of != OUTPUT_FORMAT_RTP_AVP && of != OUTPUT_FORMAT_MPEG2TS) { //first non-video output format
		LOGE("output format (%d) is meant for audio recording only and incompatible with video recording", of);
		return INVALID_OPERATION;
		}

media/libmediaplayerservice/StagefrightRecorder.cpp

+50 −0

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@
		#include <media/stagefright/AudioSource.h>
		#include <media/stagefright/AMRWriter.h>
		#include <media/stagefright/CameraSource.h>
		#include <media/stagefright/MPEG2TSWriter.h>
		#include <media/stagefright/MPEG4Writer.h>
		#include <media/stagefright/MediaDebug.h>
		#include <media/stagefright/MediaDefs.h>
		@@ -632,6 +633,9 @@ status_t StagefrightRecorder::start() {
		case OUTPUT_FORMAT_RTP_AVP:
		return startRTPRecording();

		case OUTPUT_FORMAT_MPEG2TS:
		return startMPEG2TSRecording();

		default:
		LOGE("Unsupported output file format: %d", mOutputFormat);
		return UNKNOWN_ERROR;
		@@ -799,6 +803,52 @@ status_t StagefrightRecorder::startRTPRecording() {
		return mWriter->start();
		}

		status_t StagefrightRecorder::startMPEG2TSRecording() {
		CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_MPEG2TS);

		sp<MediaWriter> writer = new MPEG2TSWriter(dup(mOutputFd));

		if (mAudioSource != AUDIO_SOURCE_LIST_END) {
		if (mAudioEncoder != AUDIO_ENCODER_AAC) {
		return ERROR_UNSUPPORTED;
		}

		status_t err = setupAudioEncoder(writer);

		if (err != OK) {
		return err;
		}
		}

		if (mVideoSource == VIDEO_SOURCE_DEFAULT
		\|\| mVideoSource == VIDEO_SOURCE_CAMERA) {
		if (mVideoEncoder != VIDEO_ENCODER_H264) {
		return ERROR_UNSUPPORTED;
		}

		sp<MediaSource> encoder;
		status_t err = setupVideoEncoder(&encoder);

		if (err != OK) {
		return err;
		}

		writer->addSource(encoder);
		}

		if (mMaxFileDurationUs != 0) {
		writer->setMaxFileDuration(mMaxFileDurationUs);
		}

		if (mMaxFileSizeBytes != 0) {
		writer->setMaxFileSize(mMaxFileSizeBytes);
		}

		mWriter = writer;

		return mWriter->start();
		}

		void StagefrightRecorder::clipVideoFrameRate() {
		LOGV("clipVideoFrameRate: encoder %d", mVideoEncoder);
		int minFrameRate = mEncoderProfiles->getVideoEncoderParamByName(