本文整理汇总了Java中com.google.android.exoplayer2.extractor.MpegAudioHeader.getFrameSize方法的典型用法代码示例。如果您正苦于以下问题：Java MpegAudioHeader.getFrameSize方法的具体用法？Java MpegAudioHeader.getFrameSize怎么用？Java MpegAudioHeader.getFrameSize使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.google.android.exoplayer2.extractor.MpegAudioHeader的用法示例。
在下文中一共展示了MpegAudioHeader.getFrameSize方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: readSample
import com.google.android.exoplayer2.extractor.MpegAudioHeader; //导入方法依赖的package包/类
private int readSample(ExtractorInput extractorInput) throws IOException, InterruptedException {
if (sampleBytesRemaining == 0) {
extractorInput.resetPeekPosition();
if (!extractorInput.peekFully(scratch.data, 0, 4, true)) {
return RESULT_END_OF_INPUT;
}
scratch.setPosition(0);
int sampleHeaderData = scratch.readInt();
if ((sampleHeaderData & HEADER_MASK) != (synchronizedHeaderData & HEADER_MASK)
|| MpegAudioHeader.getFrameSize(sampleHeaderData) == C.LENGTH_UNSET) {
// We have lost synchronization, so attempt to resynchronize starting at the next byte.
extractorInput.skipFully(1);
synchronizedHeaderData = 0;
return RESULT_CONTINUE;
}
MpegAudioHeader.populateHeader(sampleHeaderData, synchronizedHeader);
if (basisTimeUs == C.TIME_UNSET) {
basisTimeUs = seeker.getTimeUs(extractorInput.getPosition());
if (forcedFirstSampleTimestampUs != C.TIME_UNSET) {
long embeddedFirstSampleTimestampUs = seeker.getTimeUs(0);
basisTimeUs += forcedFirstSampleTimestampUs - embeddedFirstSampleTimestampUs;
}
}
sampleBytesRemaining = synchronizedHeader.frameSize;
}
int bytesAppended = trackOutput.sampleData(extractorInput, sampleBytesRemaining, true);
if (bytesAppended == C.RESULT_END_OF_INPUT) {
return RESULT_END_OF_INPUT;
}
sampleBytesRemaining -= bytesAppended;
if (sampleBytesRemaining > 0) {
return RESULT_CONTINUE;
}
long timeUs = basisTimeUs + (samplesRead * C.MICROS_PER_SECOND / synchronizedHeader.sampleRate);
trackOutput.sampleMetadata(timeUs, C.BUFFER_FLAG_KEY_FRAME, synchronizedHeader.frameSize, 0,
null);
samplesRead += synchronizedHeader.samplesPerFrame;
sampleBytesRemaining = 0;
return RESULT_CONTINUE;
}
示例2: readSample
import com.google.android.exoplayer2.extractor.MpegAudioHeader; //导入方法依赖的package包/类
private int readSample(ExtractorInput extractorInput) throws IOException, InterruptedException {
if (sampleBytesRemaining == 0) {
extractorInput.resetPeekPosition();
if (!extractorInput.peekFully(scratch.data, 0, 4, true)) {
return RESULT_END_OF_INPUT;
}
scratch.setPosition(0);
int sampleHeaderData = scratch.readInt();
if (!headersMatch(sampleHeaderData, synchronizedHeaderData)
|| MpegAudioHeader.getFrameSize(sampleHeaderData) == C.LENGTH_UNSET) {
// We have lost synchronization, so attempt to resynchronize starting at the next byte.
extractorInput.skipFully(1);
synchronizedHeaderData = 0;
return RESULT_CONTINUE;
}
MpegAudioHeader.populateHeader(sampleHeaderData, synchronizedHeader);
if (basisTimeUs == C.TIME_UNSET) {
basisTimeUs = seeker.getTimeUs(extractorInput.getPosition());
if (forcedFirstSampleTimestampUs != C.TIME_UNSET) {
long embeddedFirstSampleTimestampUs = seeker.getTimeUs(0);
basisTimeUs += forcedFirstSampleTimestampUs - embeddedFirstSampleTimestampUs;
}
}
sampleBytesRemaining = synchronizedHeader.frameSize;
}
int bytesAppended = trackOutput.sampleData(extractorInput, sampleBytesRemaining, true);
if (bytesAppended == C.RESULT_END_OF_INPUT) {
return RESULT_END_OF_INPUT;
}
sampleBytesRemaining -= bytesAppended;
if (sampleBytesRemaining > 0) {
return RESULT_CONTINUE;
}
long timeUs = basisTimeUs + (samplesRead * C.MICROS_PER_SECOND / synchronizedHeader.sampleRate);
trackOutput.sampleMetadata(timeUs, C.BUFFER_FLAG_KEY_FRAME, synchronizedHeader.frameSize, 0,
null);
samplesRead += synchronizedHeader.samplesPerFrame;
sampleBytesRemaining = 0;
return RESULT_CONTINUE;
}
示例3: synchronize
import com.google.android.exoplayer2.extractor.MpegAudioHeader; //导入方法依赖的package包/类
private boolean synchronize(ExtractorInput input, boolean sniffing)
throws IOException, InterruptedException {
int validFrameCount = 0;
int candidateSynchronizedHeaderData = 0;
int peekedId3Bytes = 0;
int searchedBytes = 0;
int searchLimitBytes = sniffing ? MAX_SNIFF_BYTES : MAX_SYNC_BYTES;
input.resetPeekPosition();
if (input.getPosition() == 0) {
peekId3Data(input);
peekedId3Bytes = (int) input.getPeekPosition();
if (!sniffing) {
input.skipFully(peekedId3Bytes);
}
}
while (true) {
if (!input.peekFully(scratch.data, 0, 4, validFrameCount > 0)) {
// We reached the end of the stream but found at least one valid frame.
break;
}
scratch.setPosition(0);
int headerData = scratch.readInt();
int frameSize;
if ((candidateSynchronizedHeaderData != 0
&& (headerData & HEADER_MASK) != (candidateSynchronizedHeaderData & HEADER_MASK))
|| (frameSize = MpegAudioHeader.getFrameSize(headerData)) == C.LENGTH_UNSET) {
// The header doesn't match the candidate header or is invalid. Try the next byte offset.
if (searchedBytes++ == searchLimitBytes) {
if (!sniffing) {
throw new ParserException("Searched too many bytes.");
}
return false;
}
validFrameCount = 0;
candidateSynchronizedHeaderData = 0;
if (sniffing) {
input.resetPeekPosition();
input.advancePeekPosition(peekedId3Bytes + searchedBytes);
} else {
input.skipFully(1);
}
} else {
// The header matches the candidate header and/or is valid.
validFrameCount++;
if (validFrameCount == 1) {
MpegAudioHeader.populateHeader(headerData, synchronizedHeader);
candidateSynchronizedHeaderData = headerData;
} else if (validFrameCount == 4) {
break;
}
input.advancePeekPosition(frameSize - 4);
}
}
// Prepare to read the synchronized frame.
if (sniffing) {
input.skipFully(peekedId3Bytes + searchedBytes);
} else {
input.resetPeekPosition();
}
synchronizedHeaderData = candidateSynchronizedHeaderData;
return true;
}
示例4: synchronize
import com.google.android.exoplayer2.extractor.MpegAudioHeader; //导入方法依赖的package包/类
private boolean synchronize(ExtractorInput input, boolean sniffing)
throws IOException, InterruptedException {
int validFrameCount = 0;
int candidateSynchronizedHeaderData = 0;
int peekedId3Bytes = 0;
int searchedBytes = 0;
int searchLimitBytes = sniffing ? MAX_SNIFF_BYTES : MAX_SYNC_BYTES;
input.resetPeekPosition();
if (input.getPosition() == 0) {
Id3Util.parseId3(input, gaplessInfoHolder);
peekedId3Bytes = (int) input.getPeekPosition();
if (!sniffing) {
input.skipFully(peekedId3Bytes);
}
}
while (true) {
if (!input.peekFully(scratch.data, 0, 4, validFrameCount > 0)) {
// We reached the end of the stream but found at least one valid frame.
break;
}
scratch.setPosition(0);
int headerData = scratch.readInt();
int frameSize;
if ((candidateSynchronizedHeaderData != 0
&& (headerData & HEADER_MASK) != (candidateSynchronizedHeaderData & HEADER_MASK))
|| (frameSize = MpegAudioHeader.getFrameSize(headerData)) == C.LENGTH_UNSET) {
// The header doesn't match the candidate header or is invalid. Try the next byte offset.
if (searchedBytes++ == searchLimitBytes) {
if (!sniffing) {
throw new ParserException("Searched too many bytes.");
}
return false;
}
validFrameCount = 0;
candidateSynchronizedHeaderData = 0;
if (sniffing) {
input.resetPeekPosition();
input.advancePeekPosition(peekedId3Bytes + searchedBytes);
} else {
input.skipFully(1);
}
} else {
// The header matches the candidate header and/or is valid.
validFrameCount++;
if (validFrameCount == 1) {
MpegAudioHeader.populateHeader(headerData, synchronizedHeader);
candidateSynchronizedHeaderData = headerData;
} else if (validFrameCount == 4) {
break;
}
input.advancePeekPosition(frameSize - 4);
}
}
// Prepare to read the synchronized frame.
if (sniffing) {
input.skipFully(peekedId3Bytes + searchedBytes);
} else {
input.resetPeekPosition();
}
synchronizedHeaderData = candidateSynchronizedHeaderData;
return true;
}
示例5: synchronize
import com.google.android.exoplayer2.extractor.MpegAudioHeader; //导入方法依赖的package包/类
private boolean synchronize(ExtractorInput input, boolean sniffing)
throws IOException, InterruptedException {
int validFrameCount = 0;
int candidateSynchronizedHeaderData = 0;
int peekedId3Bytes = 0;
int searchedBytes = 0;
int searchLimitBytes = sniffing ? MAX_SNIFF_BYTES : MAX_SYNC_BYTES;
input.resetPeekPosition();
if (input.getPosition() == 0) {
peekId3Data(input);
peekedId3Bytes = (int) input.getPeekPosition();
if (!sniffing) {
input.skipFully(peekedId3Bytes);
}
}
while (true) {
if (!input.peekFully(scratch.data, 0, 4, validFrameCount > 0)) {
// We reached the end of the stream but found at least one valid frame.
break;
}
scratch.setPosition(0);
int headerData = scratch.readInt();
int frameSize;
if ((candidateSynchronizedHeaderData != 0
&& !headersMatch(headerData, candidateSynchronizedHeaderData))
|| (frameSize = MpegAudioHeader.getFrameSize(headerData)) == C.LENGTH_UNSET) {
// The header doesn't match the candidate header or is invalid. Try the next byte offset.
if (searchedBytes++ == searchLimitBytes) {
if (!sniffing) {
throw new ParserException("Searched too many bytes.");
}
return false;
}
validFrameCount = 0;
candidateSynchronizedHeaderData = 0;
if (sniffing) {
input.resetPeekPosition();
input.advancePeekPosition(peekedId3Bytes + searchedBytes);
} else {
input.skipFully(1);
}
} else {
// The header matches the candidate header and/or is valid.
validFrameCount++;
if (validFrameCount == 1) {
MpegAudioHeader.populateHeader(headerData, synchronizedHeader);
candidateSynchronizedHeaderData = headerData;
} else if (validFrameCount == 4) {
break;
}
input.advancePeekPosition(frameSize - 4);
}
}
// Prepare to read the synchronized frame.
if (sniffing) {
input.skipFully(peekedId3Bytes + searchedBytes);
} else {
input.resetPeekPosition();
}
synchronizedHeaderData = candidateSynchronizedHeaderData;
return true;
}