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Experiment to add SPS/PPS to the media format.

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This commit is contained in:
Oliver Woodman 2014-12-08 11:36:51 +00:00
parent 5d7820542c
commit 7ca1de2275
1 changed files with 19 additions and 7 deletions
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26
library/src/main/java/com/google/android/exoplayer/hls/TsExtractor.java
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@ -712,8 +712,9 @@ public final class TsExtractor {
private class H264Reader extends PesPayloadReader {
private static final int NAL_UNIT_TYPE_IDR = 5;
private static final int NAL_UNIT_TYPE_AUD = 9;
private static final int NAL_UNIT_TYPE_SPS = 7;
private static final int NAL_UNIT_TYPE_PPS = 8;
private static final int NAL_UNIT_TYPE_AUD = 9;
public final SeiReader seiReader;
@ -778,15 +779,26 @@ public final class TsExtractor {
private void parseMediaFormat(Sample sample) {
BitArray bitArray = new BitArray(sample.data, sample.size);
// Locate the SPS unit.
// Locate the SPS and PPS units.
int spsOffset = bitArray.findNextNalUnit(NAL_UNIT_TYPE_SPS, 0);
if (spsOffset == bitArray.bytesLeft()) {
int ppsOffset = bitArray.findNextNalUnit(NAL_UNIT_TYPE_PPS, 0);
if (spsOffset == bitArray.bytesLeft() || ppsOffset == bitArray.bytesLeft()) {
return;
}
int nextNalOffset = bitArray.findNextNalUnit(-1, spsOffset + 3);
int spsLength = bitArray.findNextNalUnit(-1, spsOffset + 3) - spsOffset;
int ppsLength = bitArray.findNextNalUnit(-1, ppsOffset + 3) - ppsOffset;
byte[] spsData = new byte[spsLength];
byte[] ppsData = new byte[ppsLength];
System.arraycopy(bitArray.getData(), spsOffset, spsData, 0, spsLength);
System.arraycopy(bitArray.getData(), ppsOffset, ppsData, 0, ppsLength);
List<byte[]> initializationData = new ArrayList<byte[]>();
initializationData.add(spsData);
initializationData.add(ppsData);
// Unescape the SPS unit.
byte[] unescapedSps = unescapeStream(bitArray.getData(), spsOffset, nextNalOffset);
byte[] unescapedSps = unescapeData(spsData, 0, spsLength);
bitArray.reset(unescapedSps, unescapedSps.length);
// Parse the SPS unit
@ -881,7 +893,7 @@ public final class TsExtractor {
// Set the format.
setMediaFormat(MediaFormat.createVideoFormat(MimeTypes.VIDEO_H264, MediaFormat.NO_VALUE,
frameWidth, frameHeight, null));
frameWidth, frameHeight, initializationData));
}
private void skipScalingList(BitArray bitArray, int size) {
@ -901,7 +913,7 @@ public final class TsExtractor {
* <p>
* See ISO/IEC 14496-10:2005(E) page 36 for more information.
*/
private byte[] unescapeStream(byte[] data, int offset, int limit) {
private byte[] unescapeData(byte[] data, int offset, int limit) {
int position = offset;
List<Integer> escapePositions = new ArrayList<Integer>();
while (position < limit) {