Add a video record utility (b5742452) · Commits · e / os / android_frameworks_base

cmds/stagefright/Android.mk

+25 −0

Original line number	Diff line number	Diff line
		@@ -47,6 +47,31 @@ LOCAL_MODULE:= record

		include $(BUILD_EXECUTABLE)

		################################################################################

		include $(CLEAR_VARS)

		LOCAL_SRC_FILES:= \
		SineSource.cpp \
		recordvideo.cpp

		LOCAL_SHARED_LIBRARIES := \
		libstagefright liblog libutils libbinder

		LOCAL_C_INCLUDES:= \
		$(JNI_H_INCLUDE) \
		frameworks/base/media/libstagefright \
		$(TOP)/external/opencore/extern_libs_v2/khronos/openmax/include

		LOCAL_CFLAGS += -Wno-multichar

		LOCAL_MODULE_TAGS := debug

		LOCAL_MODULE:= recordvideo

		include $(BUILD_EXECUTABLE)


		################################################################################

		include $(CLEAR_VARS)

cmds/stagefright/recordvideo.cpp

0 → 100644

+309 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2010 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		#include "SineSource.h"

		#include <binder/ProcessState.h>
		#include <media/stagefright/AudioPlayer.h>
		#include <media/stagefright/FileSource.h>
		#include <media/stagefright/MediaBufferGroup.h>
		#include <media/stagefright/MediaDebug.h>
		#include <media/stagefright/MediaDefs.h>
		#include <media/stagefright/MetaData.h>
		#include <media/stagefright/MediaExtractor.h>
		#include <media/stagefright/MPEG4Writer.h>
		#include <media/stagefright/OMXClient.h>
		#include <media/stagefright/OMXCodec.h>
		#include <media/MediaPlayerInterface.h>

		using namespace android;

		// print usage showing how to use this utility to record videos
		static void usage(const char *me) {
		fprintf(stderr, "usage: %s\n", me);
		fprintf(stderr, " -h(elp)\n");
		fprintf(stderr, " -b bit rate in bits per second (default 300000)\n");
		fprintf(stderr, " -c YUV420 color format: [0] semi planar or [1] planar (default 1)\n");
		fprintf(stderr, " -f frame rate in frames per second (default 30)\n");
		fprintf(stderr, " -i I frame interval in seconds (default 1)\n");
		fprintf(stderr, " -n number of frames to be recorded (default 300)\n");
		fprintf(stderr, " -w width in pixels (default 176)\n");
		fprintf(stderr, " -t height in pixels (default 144)\n");
		fprintf(stderr, " -v video codec: [0] AVC [1] M4V [2] H263 (default 0)\n");
		exit(1);
		}

		class DummySource : public MediaSource {

		public:
		DummySource(int width, int height, int nFrames, int fps, int colorFormat)
		: mWidth(width),
		mHeight(height),
		mMaxNumFrames(nFrames),
		mFrameRate(fps),
		mColorFormat(colorFormat),
		mSize((width * height * 3) / 2) {
		mGroup.add_buffer(new MediaBuffer(mSize));

		// Check the color format to make sure
		// that the buffer size mSize it set correctly above.
		CHECK(colorFormat == OMX_COLOR_FormatYUV420SemiPlanar \|\|
		colorFormat == OMX_COLOR_FormatYUV420Planar);
		}

		virtual sp<MetaData> getFormat() {
		sp<MetaData> meta = new MetaData;
		meta->setInt32(kKeyWidth, mWidth);
		meta->setInt32(kKeyHeight, mHeight);
		meta->setInt32(kKeyColorFormat, mColorFormat);
		meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_RAW);

		return meta;
		}

		virtual status_t start(MetaData *params) {
		mNumFramesOutput = 0;
		return OK;
		}

		virtual status_t stop() {
		return OK;
		}

		virtual status_t read(
		MediaBuffer *buffer, const MediaSource::ReadOptions options) {

		if (mNumFramesOutput % 10 == 0) {
		fprintf(stderr, ".");
		}
		if (mNumFramesOutput == mMaxNumFrames) {
		return ERROR_END_OF_STREAM;
		}

		status_t err = mGroup.acquire_buffer(buffer);
		if (err != OK) {
		return err;
		}

		char x = (char)((double)rand() / RAND_MAX * 255);
		memset((*buffer)->data(), x, mSize);
		(*buffer)->set_range(0, mSize);
		(*buffer)->meta_data()->clear();
		(*buffer)->meta_data()->setInt64(
		kKeyTime, (mNumFramesOutput * 1000000) / mFrameRate);
		++mNumFramesOutput;

		return OK;
		}

		protected:
		virtual ~DummySource() {}

		private:
		MediaBufferGroup mGroup;
		int mWidth, mHeight;
		int mMaxNumFrames;
		int mFrameRate;
		int mColorFormat;
		size_t mSize;
		int64_t mNumFramesOutput;;

		DummySource(const DummySource &);
		DummySource &operator=(const DummySource &);
		};

		sp<MediaSource> createSource(const char *filename) {
		sp<MediaSource> source;

		sp<MediaExtractor> extractor =
		MediaExtractor::Create(new FileSource(filename));
		if (extractor == NULL) {
		return NULL;
		}

		size_t num_tracks = extractor->countTracks();

		sp<MetaData> meta;
		for (size_t i = 0; i < num_tracks; ++i) {
		meta = extractor->getTrackMetaData(i);
		CHECK(meta.get() != NULL);

		const char *mime;
		if (!meta->findCString(kKeyMIMEType, &mime)) {
		continue;
		}

		if (strncasecmp(mime, "video/", 6)) {
		continue;
		}

		source = extractor->getTrack(i);
		break;
		}

		return source;
		}

		enum {
		kYUV420SP = 0,
		kYUV420P = 1,
		};

		// returns -1 if mapping of the given color is unsuccessful
		// returns an omx color enum value otherwise
		static int translateColorToOmxEnumValue(int color) {
		switch (color) {
		case kYUV420SP:
		return OMX_COLOR_FormatYUV420SemiPlanar;
		case kYUV420P:
		return OMX_COLOR_FormatYUV420Planar;
		default:
		fprintf(stderr, "Unsupported color: %d\n", color);
		return -1;
		}
		}

		int main(int argc, char **argv) {

		// Default values for the program if not overwritten
		int frameRateFps = 30;
		int width = 176;
		int height = 144;
		int bitRateBps = 300000;
		int iFramesIntervalSeconds = 1;
		int colorFormat = OMX_COLOR_FormatYUV420Planar;
		int nFrames = 300;
		int codec = 0;
		const char *fileName = "/sdcard/output.mp4";

		android::ProcessState::self()->startThreadPool();
		int res;
		while ((res = getopt(argc, argv, "b:c:f:i:n:w:t:v:o:h")) >= 0) {
		switch (res) {
		case 'b':
		{
		bitRateBps = atoi(optarg);
		break;
		}

		case 'c':
		{
		colorFormat = translateColorToOmxEnumValue(atoi(optarg));
		if (colorFormat == -1) {
		usage(argv[0]);
		}
		break;
		}

		case 'f':
		{
		frameRateFps = atoi(optarg);
		break;
		}

		case 'i':
		{
		iFramesIntervalSeconds = atoi(optarg);
		break;
		}

		case 'n':
		{
		nFrames = atoi(optarg);
		break;
		}

		case 'w':
		{
		width = atoi(optarg);
		break;
		}

		case 't':
		{
		height = atoi(optarg);
		break;
		}

		case 'v':
		{
		codec = atoi(optarg);
		if (codec < 0 \|\| codec > 2) {
		usage(argv[0]);
		}
		break;
		}

		case 'h':
		default:
		{
		usage(argv[0]);
		break;
		}
		}
		}

		OMXClient client;
		CHECK_EQ(client.connect(), OK);

		status_t err = OK;
		sp<MediaSource> decoder = new DummySource(width, height, nFrames, frameRateFps, colorFormat);

		sp<MetaData> enc_meta = new MetaData;
		switch (codec) {
		case 1:
		enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_MPEG4);
		break;
		case 2:
		enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_H263);
		break;
		default:
		enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_AVC);
		break;
		}
		enc_meta->setInt32(kKeyWidth, width);
		enc_meta->setInt32(kKeyHeight, height);
		enc_meta->setInt32(kKeySampleRate, frameRateFps);
		enc_meta->setInt32(kKeyBitRate, bitRateBps);
		enc_meta->setInt32(kKeyStride, width);
		enc_meta->setInt32(kKeySliceHeight, height);
		enc_meta->setInt32(kKeyIFramesInterval, iFramesIntervalSeconds);
		enc_meta->setInt32(kKeyColorFormat, colorFormat);

		sp<MediaSource> encoder =
		OMXCodec::Create(
		client.interface(), enc_meta, true /* createEncoder */, decoder);

		sp<MPEG4Writer> writer = new MPEG4Writer(fileName);
		writer->addSource(encoder);
		int64_t start = systemTime();
		CHECK_EQ(OK, writer->start());
		while (!writer->reachedEOS()) {
		}
		err = writer->stop();
		int64_t end = systemTime();

		printf("$\n");
		client.disconnect();

		if (err != OK && err != ERROR_END_OF_STREAM) {
		fprintf(stderr, "record failed: %d\n", err);
		return 1;
		}
		fprintf(stderr, "encoding %d frames in %lld us\n", nFrames, (end-start)/1000);
		fprintf(stderr, "encoding speed is: %.2f fps\n", (nFrames * 1E9) / (end-start));
		return 0;
		}