Java Code Examples for android.media.MediaExtractor#getSampleFlags()
The following examples show how to use
android.media.MediaExtractor#getSampleFlags() .
You can vote up the ones you like or vote down the ones you don't like,
and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
| Source File: VideoBgmAddAction.java From SimpleVideoEditor with Apache License 2.0 | 5 votes |
|
private long getSampleTime(MediaExtractor mediaExtractor, int track) {
mediaExtractor.selectTrack(track);
mediaExtractor.readSampleData(sourceBuffer, 0);
//skip first I frame
if (mediaExtractor.getSampleFlags() == MediaExtractor.SAMPLE_FLAG_SYNC) {
mediaExtractor.advance();
}
mediaExtractor.readSampleData(sourceBuffer, 0);
long firstVideoPTS = mediaExtractor.getSampleTime();
mediaExtractor.advance();
mediaExtractor.readSampleData(sourceBuffer, 0);
long secondVideoPTS = mediaExtractor.getSampleTime();
mediaExtractor.unselectTrack(track);
return Math.abs(secondVideoPTS - firstVideoPTS);
}
Example 2
| Source File: VideoUtil.java From VideoProcessor with Apache License 2.0 | 5 votes |
|
/**
* 用于制作全关键帧视频时计算比特率应该为多少
*
* @return
*/
public static int getBitrateForAllKeyFrameVideo(VideoProcessor.MediaSource input) throws IOException {
MediaExtractor extractor = new MediaExtractor();
input.setDataSource(extractor);
int trackIndex = VideoUtil.selectTrack(extractor, false);
extractor.selectTrack(trackIndex);
int keyFrameCount = 0;
int frameCount = 0;
while (true) {
int flags = extractor.getSampleFlags();
if (flags > 0 && (flags & MediaExtractor.SAMPLE_FLAG_SYNC) != 0) {
keyFrameCount++;
}
long sampleTime = extractor.getSampleTime();
if (sampleTime < 0) {
break;
}
frameCount++;
extractor.advance();
}
extractor.release();
float bitrateMultiple = (frameCount - keyFrameCount) / (float) keyFrameCount + 1;
MediaMetadataRetriever retriever = new MediaMetadataRetriever();
input.setDataSource(retriever);
int oriBitrate = Integer.parseInt(retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_BITRATE));
retriever.release();
if (frameCount == keyFrameCount) {
return oriBitrate;
}
return (int) (bitrateMultiple * oriBitrate);
}
Example 3
| Source File: VideoUtil.java From VideoProcessor with Apache License 2.0 | 5 votes |
|
public static Pair<Integer, Integer> getVideoFrameCount(String input) throws IOException {
MediaExtractor extractor = new MediaExtractor();
extractor.setDataSource(input);
int trackIndex = VideoUtil.selectTrack(extractor, false);
extractor.selectTrack(trackIndex);
int keyFrameCount = 0;
int frameCount = 0;
while (true) {
int flags = extractor.getSampleFlags();
if (flags > 0 && (flags & MediaExtractor.SAMPLE_FLAG_SYNC) != 0) {
keyFrameCount++;
}
long sampleTime = extractor.getSampleTime();
if (sampleTime < 0) {
break;
}
frameCount++;
extractor.advance();
}
extractor.release();
return new Pair<>(keyFrameCount, frameCount);
}
Example 4
| Source File: AudioUtil.java From VideoProcessor with Apache License 2.0 | 5 votes |
|
/**
* 去掉视频的音轨
*/
public static void removeAudioTrack(String videoPath, String outPath) throws IOException {
MediaExtractor videoExtractor = new MediaExtractor();
videoExtractor.setDataSource(videoPath);
try {
int videoTrack = VideoUtil.selectTrack(videoExtractor, false);
videoExtractor.selectTrack(videoTrack);
MediaFormat videoFormat = videoExtractor.getTrackFormat(videoTrack);
MediaMuxer mediaMuxer = new MediaMuxer(outPath, MediaMuxer.OutputFormat.MUXER_OUTPUT_MPEG_4);
int muxerVideoTrackIndex = mediaMuxer.addTrack(videoFormat);
mediaMuxer.start();
MediaCodec.BufferInfo info = new MediaCodec.BufferInfo();
//写视频
int maxBufferSize = videoFormat.getInteger(MediaFormat.KEY_MAX_INPUT_SIZE);
ByteBuffer videoBuffer = ByteBuffer.allocateDirect(maxBufferSize);
while (true) {
long sampleTimeUs = videoExtractor.getSampleTime();
if (sampleTimeUs == -1) {
break;
}
int flags = videoExtractor.getSampleFlags();
int size = videoExtractor.readSampleData(videoBuffer, 0);
info.presentationTimeUs = sampleTimeUs;
info.flags = flags;
info.size = size;
mediaMuxer.writeSampleData(muxerVideoTrackIndex, videoBuffer, info);
videoExtractor.advance();
}
mediaMuxer.stop();
mediaMuxer.release();
} finally {
videoExtractor.release();
}
}
Example 5
| Source File: DownloadRedditVideoService.java From Infinity-For-Reddit with GNU Affero General Public License v3.0 | 4 votes |
|
private boolean muxVideoAndAudio(String videoFilePath, String audioFilePath, String outputFilePath) {
try {
File file = new File(outputFilePath);
file.createNewFile();
MediaExtractor videoExtractor = new MediaExtractor();
videoExtractor.setDataSource(videoFilePath);
MediaExtractor audioExtractor = new MediaExtractor();
audioExtractor.setDataSource(audioFilePath);
MediaMuxer muxer = new MediaMuxer(outputFilePath, MediaMuxer.OutputFormat.MUXER_OUTPUT_MPEG_4);
videoExtractor.selectTrack(0);
MediaFormat videoFormat = videoExtractor.getTrackFormat(0);
int videoTrack = muxer.addTrack(videoFormat);
audioExtractor.selectTrack(0);
MediaFormat audioFormat = audioExtractor.getTrackFormat(0);
int audioTrack = muxer.addTrack(audioFormat);
boolean sawEOS = false;
int offset = 100;
int sampleSize = 2048 * 1024;
ByteBuffer videoBuf = ByteBuffer.allocate(sampleSize);
ByteBuffer audioBuf = ByteBuffer.allocate(sampleSize);
MediaCodec.BufferInfo videoBufferInfo = new MediaCodec.BufferInfo();
MediaCodec.BufferInfo audioBufferInfo = new MediaCodec.BufferInfo();
videoExtractor.seekTo(0, MediaExtractor.SEEK_TO_CLOSEST_SYNC);
audioExtractor.seekTo(0, MediaExtractor.SEEK_TO_CLOSEST_SYNC);
muxer.start();
while (!sawEOS) {
videoBufferInfo.offset = offset;
videoBufferInfo.size = videoExtractor.readSampleData(videoBuf, offset);
if (videoBufferInfo.size < 0 || audioBufferInfo.size < 0) {
sawEOS = true;
videoBufferInfo.size = 0;
} else {
videoBufferInfo.presentationTimeUs = videoExtractor.getSampleTime();
videoBufferInfo.flags = videoExtractor.getSampleFlags();
muxer.writeSampleData(videoTrack, videoBuf, videoBufferInfo);
videoExtractor.advance();
}
}
boolean sawEOS2 = false;
while (!sawEOS2) {
audioBufferInfo.offset = offset;
audioBufferInfo.size = audioExtractor.readSampleData(audioBuf, offset);
if (videoBufferInfo.size < 0 || audioBufferInfo.size < 0) {
sawEOS2 = true;
audioBufferInfo.size = 0;
} else {
audioBufferInfo.presentationTimeUs = audioExtractor.getSampleTime();
audioBufferInfo.flags = audioExtractor.getSampleFlags();
muxer.writeSampleData(audioTrack, audioBuf, audioBufferInfo);
audioExtractor.advance();
}
}
try {
muxer.stop();
muxer.release();
} catch (IllegalStateException ignore) {}
} catch (IOException e) {
e.printStackTrace();
return false;
}
return true;
}
Example 6
| Source File: AudioRecordThread.java From PhotoMovie with Apache License 2.0 | 4 votes |
|
/**
* 需要改变音频速率的情况下，需要先解码->改变速率->编码
*/
private void decodeToPCM(MediaCodec decoder, MediaExtractor extractor, MediaFormat oriAudioFormat, String outPath, Long endTimeUs) throws IOException {
int maxBufferSize = getAudioMaxBufferSize(oriAudioFormat);
ByteBuffer buffer = ByteBuffer.allocateDirect(maxBufferSize);
MediaCodec.BufferInfo info = new MediaCodec.BufferInfo();
//调整音频速率需要重解码音频帧
decoder.configure(oriAudioFormat, null, null, 0);
decoder.start();
boolean decodeDone = false;
boolean decodeInputDone = false;
final int TIMEOUT_US = 2500;
File pcmFile = new File(outPath);
FileChannel writeChannel = new FileOutputStream(pcmFile).getChannel();
ByteBuffer[] inputBuffers = null;
ByteBuffer[] outputBuffers = null;
try {
while (!decodeDone) {
if (!decodeInputDone) {
boolean eof = false;
int decodeInputIndex = decoder.dequeueInputBuffer(TIMEOUT_US);
if (Build.VERSION.SDK_INT < 21 && decodeInputIndex == MediaCodec.INFO_OUTPUT_BUFFERS_CHANGED) {
outputBuffers = decoder.getOutputBuffers();
inputBuffers = decoder.getInputBuffers();
} else if (decodeInputIndex >= 0) {
long sampleTimeUs = extractor.getSampleTime();
if (sampleTimeUs == -1) {
eof = true;
} else if (endTimeUs != null && sampleTimeUs > endTimeUs) {
eof = true;
}
if (eof) {
decodeInputDone = true;
decoder.queueInputBuffer(decodeInputIndex, 0, 0, 0, MediaCodec.BUFFER_FLAG_END_OF_STREAM);
} else {
info.size = extractor.readSampleData(buffer, 0);
info.presentationTimeUs = sampleTimeUs;
info.flags = extractor.getSampleFlags();
ByteBuffer inputBuffer = null;
if (android.os.Build.VERSION.SDK_INT >= 21) {
inputBuffer = decoder.getInputBuffer(decodeInputIndex);
} else {
inputBuffer = inputBuffers[decodeInputIndex];
}
inputBuffer.put(buffer);
MLog.i(TAG, "audio decode queueInputBuffer " + info.presentationTimeUs / 1000);
decoder.queueInputBuffer(decodeInputIndex, 0, info.size, info.presentationTimeUs, info.flags);
extractor.advance();
}
}
}
while (!decodeDone) {
int outputBufferIndex = decoder.dequeueOutputBuffer(info, TIMEOUT_US);
if (outputBufferIndex == MediaCodec.INFO_TRY_AGAIN_LATER) {
break;
} else if (outputBufferIndex == MediaCodec.INFO_OUTPUT_FORMAT_CHANGED) {
MediaFormat newFormat = decoder.getOutputFormat();
MLog.i(TAG, "audio decode newFormat = " + newFormat);
} else if (outputBufferIndex < 0) {
//ignore
MLog.e(TAG, "unexpected result from audio decoder.dequeueOutputBuffer: " + outputBufferIndex);
} else {
if (info.flags == MediaCodec.BUFFER_FLAG_END_OF_STREAM) {
decodeDone = true;
} else {
ByteBuffer decodeOutputBuffer = null;
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
decodeOutputBuffer = decoder.getOutputBuffer(outputBufferIndex);
} else {
decodeOutputBuffer = outputBuffers[outputBufferIndex];
}
MLog.i(TAG, "audio decode saveFrame " + info.presentationTimeUs / 1000);
writeChannel.write(decodeOutputBuffer);
}
decoder.releaseOutputBuffer(outputBufferIndex, false);
}
}
}
} finally {
writeChannel.close();
extractor.release();
decoder.stop();
decoder.release();
}
}
Example 7
| Source File: VideoController.java From VideoCompressor with Apache License 2.0 | 4 votes |
|
@TargetApi(16)
private long readAndWriteTrack(MediaExtractor extractor, MP4Builder mediaMuxer, MediaCodec.BufferInfo info, long start, long end, File file, boolean isAudio) throws Exception {
int trackIndex = selectTrack(extractor, isAudio);
if (trackIndex >= 0) {
extractor.selectTrack(trackIndex);
MediaFormat trackFormat = extractor.getTrackFormat(trackIndex);
int muxerTrackIndex = mediaMuxer.addTrack(trackFormat, isAudio);
int maxBufferSize = trackFormat.getInteger(MediaFormat.KEY_MAX_INPUT_SIZE);
boolean inputDone = false;
if (start > 0) {
extractor.seekTo(start, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
} else {
extractor.seekTo(0, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
}
ByteBuffer buffer = ByteBuffer.allocateDirect(maxBufferSize);
long startTime = -1;
while (!inputDone) {
boolean eof = false;
int index = extractor.getSampleTrackIndex();
if (index == trackIndex) {
info.size = extractor.readSampleData(buffer, 0);
if (info.size < 0) {
info.size = 0;
eof = true;
} else {
info.presentationTimeUs = extractor.getSampleTime();
if (start > 0 && startTime == -1) {
startTime = info.presentationTimeUs;
}
if (end < 0 || info.presentationTimeUs < end) {
info.offset = 0;
info.flags = extractor.getSampleFlags();
if (mediaMuxer.writeSampleData(muxerTrackIndex, buffer, info, isAudio)) {
// didWriteData(messageObject, file, false, false);
}
extractor.advance();
} else {
eof = true;
}
}
} else if (index == -1) {
eof = true;
}
if (eof) {
inputDone = true;
}
}
extractor.unselectTrack(trackIndex);
return startTime;
}
return -1;
}
Example 8
| Source File: MediaController.java From react-native-video-helper with MIT License | 4 votes |
|
@TargetApi(16)
private long readAndWriteTrack(MediaExtractor extractor, MP4Builder mediaMuxer, MediaCodec.BufferInfo info, long start, long end, File file, boolean isAudio) throws Exception {
int trackIndex = selectTrack(extractor, isAudio);
if (trackIndex >= 0) {
extractor.selectTrack(trackIndex);
MediaFormat trackFormat = extractor.getTrackFormat(trackIndex);
int muxerTrackIndex = mediaMuxer.addTrack(trackFormat, isAudio);
int maxBufferSize = trackFormat.getInteger(MediaFormat.KEY_MAX_INPUT_SIZE);
boolean inputDone = false;
if (start > 0) {
extractor.seekTo(start, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
} else {
extractor.seekTo(0, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
}
ByteBuffer buffer = ByteBuffer.allocateDirect(maxBufferSize);
long startTime = -1;
while (!inputDone) {
boolean eof = false;
int index = extractor.getSampleTrackIndex();
if (index == trackIndex) {
info.size = extractor.readSampleData(buffer, 0);
if (info.size < 0) {
info.size = 0;
eof = true;
} else {
info.presentationTimeUs = extractor.getSampleTime();
if (start > 0 && startTime == -1) {
startTime = info.presentationTimeUs;
}
if (end < 0 || info.presentationTimeUs < end) {
info.offset = 0;
info.flags = extractor.getSampleFlags();
if (mediaMuxer.writeSampleData(muxerTrackIndex, buffer, info, isAudio)) {
// didWriteData(messageObject, file, false, false);
}
extractor.advance();
} else {
eof = true;
}
}
} else if (index == -1) {
eof = true;
}
if (eof) {
inputDone = true;
}
}
extractor.unselectTrack(trackIndex);
return startTime;
}
return -1;
}
Example 9
| Source File: VideoProcessor.java From VideoProcessor with Apache License 2.0 | 4 votes |
|
/**
* 对视频先检查，如果不是全关键帧，先处理成所有帧都是关键帧，再逆序
*/
public static void reverseVideo(Context context, MediaSource input, String output, boolean reverseAudio, @Nullable VideoProgressListener listener) throws Exception {
File tempFile = new File(context.getCacheDir(), System.currentTimeMillis() + ".temp");
File temp2File = new File(context.getCacheDir(), System.currentTimeMillis() + ".temp2");
try {
MediaExtractor extractor = new MediaExtractor();
input.setDataSource(extractor);
int trackIndex = VideoUtil.selectTrack(extractor, false);
extractor.selectTrack(trackIndex);
int keyFrameCount = 0;
int frameCount = 0;
List<Long> frameTimeStamps = new ArrayList<>();
while (true) {
int flags = extractor.getSampleFlags();
if (flags > 0 && (flags & MediaExtractor.SAMPLE_FLAG_SYNC) != 0) {
keyFrameCount++;
}
long sampleTime = extractor.getSampleTime();
if (sampleTime < 0) {
break;
}
frameTimeStamps.add(sampleTime);
frameCount++;
extractor.advance();
}
extractor.release();
if (frameCount == keyFrameCount || frameCount == keyFrameCount + 1) {
reverseVideoNoDecode(input, output, reverseAudio, frameTimeStamps, listener);
} else {
VideoMultiStepProgress stepProgress = new VideoMultiStepProgress(new float[]{0.45f, 0.1f, 0.45f}, listener);
stepProgress.setCurrentStep(0);
float bitrateMultiple = (frameCount - keyFrameCount) / (float) keyFrameCount + 1;
MediaMetadataRetriever retriever = new MediaMetadataRetriever();
input.setDataSource(retriever);
int oriBitrate = Integer.parseInt(retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_BITRATE));
int duration = Integer.parseInt(retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION));
try {
processor(context)
.input(input)
.output(tempFile.getAbsolutePath())
.bitrate((int) (oriBitrate * bitrateMultiple))
.iFrameInterval(0)
.progressListener(stepProgress)
.process();
} catch (MediaCodec.CodecException e) {
CL.e(e);
/** Nexus5上-1代表全关键帧*/
processor(context)
.input(input)
.output(tempFile.getAbsolutePath())
.bitrate((int) (oriBitrate * bitrateMultiple))
.iFrameInterval(-1)
.progressListener(stepProgress)
.process();
}
stepProgress.setCurrentStep(1);
reverseVideoNoDecode(new MediaSource(tempFile.getAbsolutePath()), temp2File.getAbsolutePath(), reverseAudio, null, stepProgress);
int oriIFrameInterval = (int) (keyFrameCount / (duration / 1000f));
oriIFrameInterval = oriIFrameInterval == 0 ? 1 : oriIFrameInterval;
stepProgress.setCurrentStep(2);
processor(context)
.input(temp2File.getAbsolutePath())
.output(output)
.bitrate(oriBitrate)
.iFrameInterval(oriIFrameInterval)
.progressListener(stepProgress)
.process();
}
} finally {
tempFile.delete();
temp2File.delete();
}
}
Example 10
| Source File: AudioUtil.java From VideoProcessor with Apache License 2.0 | 4 votes |
|
/**
* 需要改变音频速率的情况下，需要先解码->改变速率->编码
*/
public static void decodeToPCM(VideoProcessor.MediaSource audioSource, String outPath, Integer startTimeUs, Integer endTimeUs) throws IOException {
MediaExtractor extractor = new MediaExtractor();
audioSource.setDataSource(extractor);
int audioTrack = VideoUtil.selectTrack(extractor, true);
extractor.selectTrack(audioTrack);
if (startTimeUs == null) {
startTimeUs = 0;
}
extractor.seekTo(startTimeUs, MediaExtractor.SEEK_TO_CLOSEST_SYNC);
MediaFormat oriAudioFormat = extractor.getTrackFormat(audioTrack);
int maxBufferSize;
if (oriAudioFormat.containsKey(MediaFormat.KEY_MAX_INPUT_SIZE)) {
maxBufferSize = oriAudioFormat.getInteger(MediaFormat.KEY_MAX_INPUT_SIZE);
} else {
maxBufferSize = 100 * 1000;
}
ByteBuffer buffer = ByteBuffer.allocateDirect(maxBufferSize);
MediaCodec.BufferInfo info = new MediaCodec.BufferInfo();
//调整音频速率需要重解码音频帧
MediaCodec decoder = MediaCodec.createDecoderByType(oriAudioFormat.getString(MediaFormat.KEY_MIME));
decoder.configure(oriAudioFormat, null, null, 0);
decoder.start();
boolean decodeDone = false;
boolean decodeInputDone = false;
final int TIMEOUT_US = 2500;
File pcmFile = new File(outPath);
FileChannel writeChannel = new FileOutputStream(pcmFile).getChannel();
try {
while (!decodeDone) {
if (!decodeInputDone) {
boolean eof = false;
int decodeInputIndex = decoder.dequeueInputBuffer(TIMEOUT_US);
if (decodeInputIndex >= 0) {
long sampleTimeUs = extractor.getSampleTime();
if (sampleTimeUs == -1) {
eof = true;
} else if (sampleTimeUs < startTimeUs) {
extractor.advance();
continue;
} else if (endTimeUs != null && sampleTimeUs > endTimeUs) {
eof = true;
}
if (eof) {
decodeInputDone = true;
decoder.queueInputBuffer(decodeInputIndex, 0, 0, 0, MediaCodec.BUFFER_FLAG_END_OF_STREAM);
} else {
info.size = extractor.readSampleData(buffer, 0);
info.presentationTimeUs = sampleTimeUs;
info.flags = extractor.getSampleFlags();
ByteBuffer inputBuffer = decoder.getInputBuffer(decodeInputIndex);
inputBuffer.put(buffer);
CL.it(TAG, "audio decode queueInputBuffer " + info.presentationTimeUs / 1000);
decoder.queueInputBuffer(decodeInputIndex, 0, info.size, info.presentationTimeUs, info.flags);
extractor.advance();
}
}
}
while (!decodeDone) {
int outputBufferIndex = decoder.dequeueOutputBuffer(info, TIMEOUT_US);
if (outputBufferIndex == MediaCodec.INFO_TRY_AGAIN_LATER) {
break;
} else if (outputBufferIndex == MediaCodec.INFO_OUTPUT_FORMAT_CHANGED) {
MediaFormat newFormat = decoder.getOutputFormat();
CL.it(TAG, "audio decode newFormat = " + newFormat);
} else if (outputBufferIndex < 0) {
//ignore
CL.et(TAG, "unexpected result from audio decoder.dequeueOutputBuffer: " + outputBufferIndex);
} else {
if (info.flags == MediaCodec.BUFFER_FLAG_END_OF_STREAM) {
decodeDone = true;
} else {
ByteBuffer decodeOutputBuffer = decoder.getOutputBuffer(outputBufferIndex);
CL.it(TAG, "audio decode saveFrame " + info.presentationTimeUs / 1000);
writeChannel.write(decodeOutputBuffer);
}
decoder.releaseOutputBuffer(outputBufferIndex, false);
}
}
}
} finally {
writeChannel.close();
extractor.release();
decoder.stop();
decoder.release();
}
}
Example 11
| Source File: AudioUtil.java From VideoProcessor with Apache License 2.0 | 4 votes |
|
/**
* 不需要改变音频速率的情况下，直接读写就可
*/
public static long writeAudioTrack(MediaExtractor extractor, MediaMuxer mediaMuxer, int muxerAudioTrackIndex,
Integer startTimeUs, Integer endTimeUs, long baseMuxerFrameTimeUs, VideoProgressListener listener) throws IOException {
int audioTrack = VideoUtil.selectTrack(extractor, true);
extractor.selectTrack(audioTrack);
if (startTimeUs == null) {
startTimeUs = 0;
}
extractor.seekTo(startTimeUs, MediaExtractor.SEEK_TO_CLOSEST_SYNC);
MediaFormat audioFormat = extractor.getTrackFormat(audioTrack);
long durationUs = audioFormat.getLong(MediaFormat.KEY_DURATION);
int maxBufferSize = audioFormat.getInteger(MediaFormat.KEY_MAX_INPUT_SIZE);
ByteBuffer buffer = ByteBuffer.allocateDirect(maxBufferSize);
MediaCodec.BufferInfo info = new MediaCodec.BufferInfo();
long lastFrametimeUs = baseMuxerFrameTimeUs;
while (true) {
long sampleTimeUs = extractor.getSampleTime();
if (sampleTimeUs == -1) {
break;
}
if (sampleTimeUs < startTimeUs) {
extractor.advance();
continue;
}
if (endTimeUs != null && sampleTimeUs > endTimeUs) {
break;
}
if (listener != null) {
float progress = (sampleTimeUs - startTimeUs) / (float) (endTimeUs == null ? durationUs : endTimeUs - startTimeUs);
progress = progress < 0 ? 0 : progress;
progress = progress > 1 ? 1 : progress;
listener.onProgress(progress);
}
info.presentationTimeUs = sampleTimeUs - startTimeUs + baseMuxerFrameTimeUs;
info.flags = extractor.getSampleFlags();
info.size = extractor.readSampleData(buffer, 0);
if (info.size < 0) {
break;
}
CL.i("writeAudioSampleData,time:" + info.presentationTimeUs / 1000f);
mediaMuxer.writeSampleData(muxerAudioTrackIndex, buffer, info);
lastFrametimeUs = info.presentationTimeUs;
extractor.advance();
}
return lastFrametimeUs;
}
Example 12
| Source File: VideoController.java From VideoCompressor with Apache License 2.0 | 4 votes |
|
@TargetApi(16)
private long readAndWriteTrack(MediaExtractor extractor, MP4Builder mediaMuxer, MediaCodec.BufferInfo info, long start, long end, File file, boolean isAudio) throws Exception {
int trackIndex = selectTrack(extractor, isAudio);
if (trackIndex >= 0) {
extractor.selectTrack(trackIndex);
MediaFormat trackFormat = extractor.getTrackFormat(trackIndex);
int muxerTrackIndex = mediaMuxer.addTrack(trackFormat, isAudio);
int maxBufferSize = trackFormat.getInteger(MediaFormat.KEY_MAX_INPUT_SIZE);
boolean inputDone = false;
if (start > 0) {
extractor.seekTo(start, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
} else {
extractor.seekTo(0, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
}
ByteBuffer buffer = ByteBuffer.allocateDirect(maxBufferSize);
long startTime = -1;
while (!inputDone) {
boolean eof = false;
int index = extractor.getSampleTrackIndex();
if (index == trackIndex) {
info.size = extractor.readSampleData(buffer, 0);
if (info.size < 0) {
info.size = 0;
eof = true;
} else {
info.presentationTimeUs = extractor.getSampleTime();
if (start > 0 && startTime == -1) {
startTime = info.presentationTimeUs;
}
if (end < 0 || info.presentationTimeUs < end) {
info.offset = 0;
info.flags = extractor.getSampleFlags();
if (mediaMuxer.writeSampleData(muxerTrackIndex, buffer, info, isAudio)) {
// didWriteData(messageObject, file, false, false);
}
extractor.advance();
} else {
eof = true;
}
}
} else if (index == -1) {
eof = true;
}
if (eof) {
inputDone = true;
}
}
extractor.unselectTrack(trackIndex);
return startTime;
}
return -1;
}
Example 13
| Source File: MediaController.java From talk-android with MIT License | 4 votes |
|
@TargetApi(16)
private long readAndWriteTrack(MediaExtractor extractor, MP4Builder mediaMuxer, MediaCodec.BufferInfo info, long start, long end, File file, boolean isAudio) throws Exception {
int trackIndex = selectTrack(extractor, isAudio);
if (trackIndex >= 0) {
extractor.selectTrack(trackIndex);
MediaFormat trackFormat = extractor.getTrackFormat(trackIndex);
int muxerTrackIndex = mediaMuxer.addTrack(trackFormat, isAudio);
int maxBufferSize = trackFormat.getInteger(MediaFormat.KEY_MAX_INPUT_SIZE);
boolean inputDone = false;
if (start > 0) {
extractor.seekTo(start, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
} else {
extractor.seekTo(0, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
}
ByteBuffer buffer = ByteBuffer.allocateDirect(maxBufferSize);
long startTime = -1;
while (!inputDone) {
boolean eof = false;
int index = extractor.getSampleTrackIndex();
if (index == trackIndex) {
info.size = extractor.readSampleData(buffer, 0);
if (info.size < 0) {
info.size = 0;
eof = true;
} else {
info.presentationTimeUs = extractor.getSampleTime();
if (start > 0 && startTime == -1) {
startTime = info.presentationTimeUs;
}
if (end < 0 || info.presentationTimeUs < end) {
info.offset = 0;
info.flags = extractor.getSampleFlags();
if (mediaMuxer.writeSampleData(muxerTrackIndex, buffer, info, isAudio)) {
// didWriteData(messageObject, file, false, false);
}
extractor.advance();
} else {
eof = true;
}
}
} else if (index == -1) {
eof = true;
}
if (eof) {
inputDone = true;
}
}
extractor.unselectTrack(trackIndex);
return startTime;
}
return -1;
}
Example 14
| Source File: MediaController.java From SiliCompressor with Apache License 2.0 | 4 votes |
|
@TargetApi(16)
private long readAndWriteTrack(MediaExtractor extractor, MP4Builder mediaMuxer, MediaCodec.BufferInfo info, long start, long end, File file, boolean isAudio) throws Exception {
int trackIndex = selectTrack(extractor, isAudio);
if (trackIndex >= 0) {
extractor.selectTrack(trackIndex);
MediaFormat trackFormat = extractor.getTrackFormat(trackIndex);
int muxerTrackIndex = mediaMuxer.addTrack(trackFormat, isAudio);
int maxBufferSize = trackFormat.getInteger(MediaFormat.KEY_MAX_INPUT_SIZE);
boolean inputDone = false;
if (start > 0) {
extractor.seekTo(start, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
} else {
extractor.seekTo(0, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
}
ByteBuffer buffer = ByteBuffer.allocateDirect(maxBufferSize);
long startTime = -1;
while (!inputDone) {
boolean eof = false;
int index = extractor.getSampleTrackIndex();
if (index == trackIndex) {
info.size = extractor.readSampleData(buffer, 0);
if (info.size < 0) {
info.size = 0;
eof = true;
} else {
info.presentationTimeUs = extractor.getSampleTime();
if (start > 0 && startTime == -1) {
startTime = info.presentationTimeUs;
}
if (end < 0 || info.presentationTimeUs < end) {
info.offset = 0;
info.flags = extractor.getSampleFlags();
if (mediaMuxer.writeSampleData(muxerTrackIndex, buffer, info, isAudio)) {
// didWriteData(messageObject, file, false, false);
}
extractor.advance();
} else {
eof = true;
}
}
} else if (index == -1) {
eof = true;
}
if (eof) {
inputDone = true;
}
}
extractor.unselectTrack(trackIndex);
return startTime;
}
return -1;
}
Example 15
| Source File: VideoRecoder.java From deltachat-android with GNU General Public License v3.0 | 4 votes |
|
@TargetApi(16)
private long readAndWriteTrack(MediaExtractor extractor, MP4Builder mediaMuxer, MediaCodec.BufferInfo info, long start, long end, File file, boolean isAudio) throws Exception {
int trackIndex = selectTrack(extractor, isAudio);
if (trackIndex >= 0) {
extractor.selectTrack(trackIndex);
MediaFormat trackFormat = extractor.getTrackFormat(trackIndex);
int muxerTrackIndex = mediaMuxer.addTrack(trackFormat, isAudio);
int maxBufferSize = trackFormat.getInteger(MediaFormat.KEY_MAX_INPUT_SIZE);
boolean inputDone = false;
if (start > 0) {
extractor.seekTo(start, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
} else {
extractor.seekTo(0, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
}
ByteBuffer buffer = ByteBuffer.allocateDirect(maxBufferSize);
long startTime = -1;
checkConversionCanceled();
long lastTimestamp = -100;
while (!inputDone) {
checkConversionCanceled();
boolean eof = false;
int index = extractor.getSampleTrackIndex();
if (index == trackIndex) {
info.size = extractor.readSampleData(buffer, 0);
if (info.size >= 0) {
info.presentationTimeUs = extractor.getSampleTime();
} else {
info.size = 0;
eof = true;
}
if (info.size > 0 && !eof) {
if (start > 0 && startTime == -1) {
startTime = info.presentationTimeUs;
}
if (end < 0 || info.presentationTimeUs < end) {
if (info.presentationTimeUs > lastTimestamp) {
info.offset = 0;
info.flags = extractor.getSampleFlags();
if (mediaMuxer.writeSampleData(muxerTrackIndex, buffer, info, isAudio)) {
//didWriteData(messageObject, file, false, false);
}
}
lastTimestamp = info.presentationTimeUs;
} else {
eof = true;
}
}
if (!eof) {
extractor.advance();
}
} else if (index == -1) {
eof = true;
} else {
extractor.advance();
}
if (eof) {
inputDone = true;
}
}
extractor.unselectTrack(trackIndex);
return startTime;
}
return -1;
}
