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335 lines
9.7 KiB
335 lines
9.7 KiB
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <inttypes.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <binder/ProcessState.h>
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#include <media/stagefright/foundation/ADebug.h>
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#include <media/stagefright/foundation/ALooper.h>
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#include <media/stagefright/foundation/AMessage.h>
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#include <media/stagefright/MediaBufferGroup.h>
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#include <media/stagefright/MediaBuffer.h>
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#include <media/stagefright/MediaCodecSource.h>
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#include <media/stagefright/MediaDefs.h>
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#include <media/stagefright/MetaData.h>
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#include <media/stagefright/MPEG4Writer.h>
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#include <media/MediaPlayerInterface.h>
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#include <OMX_Video.h>
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using namespace android;
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// Print usage showing how to use this utility to record videos
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static void usage(const char *me) {
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fprintf(stderr, "usage: %s\n", me);
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fprintf(stderr, " -h(elp)\n");
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fprintf(stderr, " -b bit rate in bits per second (default: 300000)\n");
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fprintf(stderr, " -c YUV420 color format: [0] semi planar or [1] planar or other omx YUV420 color format (default: 1)\n");
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fprintf(stderr, " -f frame rate in frames per second (default: 30)\n");
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fprintf(stderr, " -i I frame interval in seconds (default: 1)\n");
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fprintf(stderr, " -n number of frames to be recorded (default: 300)\n");
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fprintf(stderr, " -w width in pixels (default: 176)\n");
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fprintf(stderr, " -t height in pixels (default: 144)\n");
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fprintf(stderr, " -l encoder level. see omx il header (default: encoder specific)\n");
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fprintf(stderr, " -p encoder profile. see omx il header (default: encoder specific)\n");
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fprintf(stderr, " -v video codec: [0] AVC [1] M4V [2] H263 (default: 0)\n");
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fprintf(stderr, " -s(oftware) prefer software codec\n");
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fprintf(stderr, " -o filename: output file (default: /sdcard/output.mp4)\n");
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exit(1);
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}
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class DummySource : public MediaSource {
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public:
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DummySource(int width, int height, int nFrames, int fps, int colorFormat)
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: mWidth(width),
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mHeight(height),
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mMaxNumFrames(nFrames),
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mFrameRate(fps),
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mColorFormat(colorFormat),
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mSize((width * height * 3) / 2) {
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mGroup.add_buffer(new MediaBuffer(mSize));
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}
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virtual sp<MetaData> getFormat() {
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sp<MetaData> meta = new MetaData;
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meta->setInt32(kKeyWidth, mWidth);
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meta->setInt32(kKeyHeight, mHeight);
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meta->setInt32(kKeyColorFormat, mColorFormat);
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meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_RAW);
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return meta;
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}
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virtual status_t start(MetaData *params __unused) {
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mNumFramesOutput = 0;
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return OK;
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}
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virtual status_t stop() {
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return OK;
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}
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virtual status_t read(
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MediaBufferBase **buffer, const MediaSource::ReadOptions *options __unused) {
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if (mNumFramesOutput % 10 == 0) {
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fprintf(stderr, ".");
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}
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if (mNumFramesOutput == mMaxNumFrames) {
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return ERROR_END_OF_STREAM;
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}
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status_t err = mGroup.acquire_buffer(buffer);
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if (err != OK) {
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return err;
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}
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// We don't care about the contents. we just test video encoder
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// Also, by skipping the content generation, we can return from
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// read() much faster.
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#if 0
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// iterate through solid planes of color.
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static unsigned char x = 0x60;
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memset((*buffer)->data(), x, mSize);
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x = x >= 0xa0 ? 0x60 : x + 1;
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#endif
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(*buffer)->set_range(0, mSize);
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(*buffer)->meta_data().clear();
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(*buffer)->meta_data().setInt64(
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kKeyTime, (mNumFramesOutput * 1000000) / mFrameRate);
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++mNumFramesOutput;
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return OK;
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}
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protected:
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virtual ~DummySource() {}
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private:
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MediaBufferGroup mGroup;
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int mWidth, mHeight;
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int mMaxNumFrames;
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int mFrameRate;
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int mColorFormat;
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size_t mSize;
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int64_t mNumFramesOutput;;
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DummySource(const DummySource &);
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DummySource &operator=(const DummySource &);
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};
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enum {
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kYUV420SP = 0,
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kYUV420P = 1,
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};
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// returns -1 if mapping of the given color is unsuccessful
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// returns an omx color enum value otherwise
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static int translateColorToOmxEnumValue(int color) {
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switch (color) {
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case kYUV420SP:
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return OMX_COLOR_FormatYUV420SemiPlanar;
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case kYUV420P:
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return OMX_COLOR_FormatYUV420Planar;
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default:
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fprintf(stderr, "Custom OMX color format: %d\n", color);
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if (color == OMX_TI_COLOR_FormatYUV420PackedSemiPlanar ||
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color == OMX_QCOM_COLOR_FormatYVU420SemiPlanar) {
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return color;
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}
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}
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return -1;
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}
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int main(int argc, char **argv) {
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// Default values for the program if not overwritten
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int frameRateFps = 30;
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int width = 176;
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int height = 144;
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int bitRateBps = 300000;
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int iFramesIntervalSeconds = 1;
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int colorFormat = OMX_COLOR_FormatYUV420Planar;
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int nFrames = 300;
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int level = -1; // Encoder specific default
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int profile = -1; // Encoder specific default
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int codec = 0;
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const char *fileName = "/sdcard/output.mp4";
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bool preferSoftwareCodec = false;
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android::ProcessState::self()->startThreadPool();
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int res;
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while ((res = getopt(argc, argv, "b:c:f:i:n:w:t:l:p:v:o:hs")) >= 0) {
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switch (res) {
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case 'b':
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{
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bitRateBps = atoi(optarg);
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break;
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}
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case 'c':
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{
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colorFormat = translateColorToOmxEnumValue(atoi(optarg));
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if (colorFormat == -1) {
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usage(argv[0]);
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}
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break;
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}
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case 'f':
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{
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frameRateFps = atoi(optarg);
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break;
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}
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case 'i':
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{
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iFramesIntervalSeconds = atoi(optarg);
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break;
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}
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case 'n':
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{
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nFrames = atoi(optarg);
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break;
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}
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case 'w':
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{
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width = atoi(optarg);
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break;
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}
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case 't':
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{
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height = atoi(optarg);
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break;
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}
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case 'l':
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{
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level = atoi(optarg);
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break;
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}
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case 'p':
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{
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profile = atoi(optarg);
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break;
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}
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case 'v':
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{
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codec = atoi(optarg);
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if (codec < 0 || codec > 2) {
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usage(argv[0]);
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}
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break;
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}
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case 'o':
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{
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fileName = optarg;
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break;
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}
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case 's':
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{
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preferSoftwareCodec = true;
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break;
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}
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case 'h':
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default:
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{
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usage(argv[0]);
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break;
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}
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}
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}
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status_t err = OK;
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sp<MediaSource> source =
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new DummySource(width, height, nFrames, frameRateFps, colorFormat);
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sp<AMessage> enc_meta = new AMessage;
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switch (codec) {
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case 1:
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enc_meta->setString("mime", MEDIA_MIMETYPE_VIDEO_MPEG4);
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break;
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case 2:
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enc_meta->setString("mime", MEDIA_MIMETYPE_VIDEO_H263);
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break;
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default:
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enc_meta->setString("mime", MEDIA_MIMETYPE_VIDEO_AVC);
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break;
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}
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enc_meta->setInt32("width", width);
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enc_meta->setInt32("height", height);
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enc_meta->setInt32("frame-rate", frameRateFps);
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enc_meta->setInt32("bitrate", bitRateBps);
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enc_meta->setInt32("stride", width);
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enc_meta->setInt32("slice-height", height);
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enc_meta->setInt32("i-frame-interval", iFramesIntervalSeconds);
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enc_meta->setInt32("color-format", colorFormat);
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if (level != -1) {
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enc_meta->setInt32("level", level);
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}
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if (profile != -1) {
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enc_meta->setInt32("profile", profile);
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}
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sp<ALooper> looper = new ALooper;
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looper->setName("recordvideo");
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looper->start();
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sp<MediaSource> encoder =
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MediaCodecSource::Create(
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looper, enc_meta, source, NULL /* consumer */,
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preferSoftwareCodec ? MediaCodecSource::FLAG_PREFER_SOFTWARE_CODEC : 0);
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int fd = open(fileName, O_CREAT | O_LARGEFILE | O_TRUNC | O_RDWR, S_IRUSR | S_IWUSR);
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if (fd < 0) {
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fprintf(stderr, "couldn't open file");
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return 1;
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}
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sp<MPEG4Writer> writer = new MPEG4Writer(fd);
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close(fd);
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writer->addSource(encoder);
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int64_t start = systemTime();
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CHECK_EQ((status_t)OK, writer->start());
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while (!writer->reachedEOS()) {
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usleep(100000);
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}
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err = writer->stop();
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int64_t end = systemTime();
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fprintf(stderr, "$\n");
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if (err != OK && err != ERROR_END_OF_STREAM) {
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fprintf(stderr, "record failed: %d\n", err);
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return 1;
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}
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fprintf(stderr, "encoding %d frames in %" PRId64 " us\n", nFrames, (end-start)/1000);
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fprintf(stderr, "encoding speed is: %.2f fps\n", (nFrames * 1E9) / (end-start));
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return 0;
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}
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