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Merge pull request #506 from zzugyl/master

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修复sps,pps,sei等nalu信息的处理。
camera2
Leo Ma 8 years ago committed by GitHub
parent b7a613fbb7 cdb653070a
commit 18e9f7a2eb
1 changed files with 38 additions and 18 deletions
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56
library/src/main/java/net/ossrs/yasea/SrsFlvMuxer.java
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@ -620,6 +620,10 @@ public class SrsFlvMuxer {
// match N[00] 00 00 00 01, where N>=0 // match N[00] 00 00 00 01, where N>=0
annexb.match = true; annexb.match = true;
annexb.nb_start_code = 4; annexb.nb_start_code = 4;
}else if (bb.get(0) == 0x00 && bb.get(1) == 0x00 && bb.get(2) == 0x01){
// match N[00] 00 00 01, where N>=0
annexb.match = true;
annexb.nb_start_code = 3;
} }
} }
return annexb; return annexb;
@ -628,13 +632,19 @@ public class SrsFlvMuxer {
private SrsAnnexbSearch searchAnnexb(ByteBuffer bb, MediaCodec.BufferInfo bi) { private SrsAnnexbSearch searchAnnexb(ByteBuffer bb, MediaCodec.BufferInfo bi) {
annexb.match = false; annexb.match = false;
annexb.nb_start_code = 0; annexb.nb_start_code = 0;
for (int i = bb.position(); i < bi.size - 3; i++) { for (int i = bb.position(); i < bi.size - 4; i++) {
// not match. // not match.
if (bb.get(i) != 0x00 || bb.get(i + 1) != 0x00 || bb.get(i + 2) != 0x00) { if (bb.get(i) != 0x00 || bb.get(i + 1) != 0x00) {
break; continue;
} }
// match N[00] 00 00 01, where N>=0 // match N[00] 00 00 01, where N>=0
if (bb.get(i + 3) == 0x01) { if (bb.get(i + 2) == 0x01) {
annexb.match = true;
annexb.nb_start_code = i + 3 - bb.position();
break;
}
// match N[00] 00 00 00 01, where N>=0
if (bb.get(i + 2) == 0x00 && bb.get(i + 3) == 0x01) {
annexb.match = true; annexb.match = true;
annexb.nb_start_code = i + 4 - bb.position(); annexb.nb_start_code = i + 4 - bb.position();
break; break;
@ -645,23 +655,23 @@ public class SrsFlvMuxer {
public SrsFlvFrameBytes demuxAnnexb(ByteBuffer bb, MediaCodec.BufferInfo bi, boolean isOnlyChkHeader) { public SrsFlvFrameBytes demuxAnnexb(ByteBuffer bb, MediaCodec.BufferInfo bi, boolean isOnlyChkHeader) {
SrsFlvFrameBytes tbb = new SrsFlvFrameBytes(); SrsFlvFrameBytes tbb = new SrsFlvFrameBytes();
if (bb.position() < bi.size) { if (bb.position() < bi.size - 4) {
// each frame must prefixed by annexb format. // each frame must prefixed by annexb format.
// about annexb, @see H.264-AVC-ISO_IEC_14496-10.pdf, page 211. // about annexb, @see H.264-AVC-ISO_IEC_14496-10.pdf, page 211.
SrsAnnexbSearch tbbsc = isOnlyChkHeader ? searchStartcode(bb, bi) : searchAnnexb(bb, bi); SrsAnnexbSearch tbbsc = isOnlyChkHeader ? searchStartcode(bb, bi) : searchAnnexb(bb, bi);
// tbbsc.nb_start_code always 4 , after 00 00 00 01 // tbbsc.nb_start_code always 4 , after 00 00 00 01
if (!tbbsc.match || tbbsc.nb_start_code < 3) { if (!tbbsc.match || tbbsc.nb_start_code < 3) {
Log.e(TAG, "annexb not match."); Log.e(TAG, "annexb not match.");
} } else {
// the start codes.
for (int i = 0; i < tbbsc.nb_start_code; i++) {
bb.get();
}
// the start codes. // find out the frame size.
for (int i = 0; i < tbbsc.nb_start_code; i++) { tbb.data = bb.slice();
bb.get(); tbb.size = bi.size - bb.position();
} }
// find out the frame size.
tbb.data = bb.slice();
tbb.size = bi.size - bb.position();
} }
return tbb; return tbb;
} }
@ -857,17 +867,25 @@ public class SrsFlvMuxer {
if (nal_unit_type == SrsAvcNaluType.IDR) { if (nal_unit_type == SrsAvcNaluType.IDR) {
type = SrsCodecVideoAVCFrame.KeyFrame; type = SrsCodecVideoAVCFrame.KeyFrame;
} else if (nal_unit_type == SrsAvcNaluType.SPS || nal_unit_type == SrsAvcNaluType.PPS) { } else if (nal_unit_type == SrsAvcNaluType.SPS || nal_unit_type == SrsAvcNaluType.PPS) {
SrsFlvFrameBytes frame_pps = avc.demuxAnnexb(bb, bi, false);
frame.size = frame.size - frame_pps.size - 4; // 4 ---> 00 00 00 01 pps
if (!frame.data.equals(h264_sps)) { if (!frame.data.equals(h264_sps)) {
byte[] sps = new byte[frame.size]; byte[] sps = new byte[frame.size];
frame.data.get(sps); frame.data.get(sps);
h264_sps_changed = true; h264_sps_changed = true;
h264_sps = ByteBuffer.wrap(sps); h264_sps = ByteBuffer.wrap(sps);
writeH264SpsPps(dts, pts); // writeH264SpsPps(dts, pts);
} }
frame = avc.demuxAnnexb(bb, bi, false);
if (!frame.data.equals(h264_pps)) { SrsFlvFrameBytes frame_sei = avc.demuxAnnexb(bb, bi, false);
byte[] pps = new byte[frame.size]; if (frame_sei.size > 0){
frame.data.get(pps); if(SrsAvcNaluType.SEI == (int)(frame_sei.data.get(0) & 0x1f))
frame_pps.size = frame_pps.size - frame_sei.size - 3;// 3 ---> 00 00 01 SEI
}
if (!frame_pps.data.equals(h264_pps)) {
byte[] pps = new byte[frame_pps.size];
frame_pps.data.get(pps);
h264_pps_changed = true; h264_pps_changed = true;
h264_pps = ByteBuffer.wrap(pps); h264_pps = ByteBuffer.wrap(pps);
writeH264SpsPps(dts, pts); writeH264SpsPps(dts, pts);
@ -879,6 +897,8 @@ public class SrsFlvMuxer {
ipbs.add(avc.muxNaluHeader(frame)); ipbs.add(avc.muxNaluHeader(frame));
ipbs.add(frame); ipbs.add(frame);
//writeH264SpsPps(dts, pts);
writeH264IpbFrame(ipbs, type, dts, pts); writeH264IpbFrame(ipbs, type, dts, pts);
ipbs.clear(); ipbs.clear();
} }

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