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common: fix h265 sei prefix vs suffix separation

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This commit is contained in:
Koushik Dutta
2025-04-08 12:28:50 -07:00
parent 37e5c49729
commit 3c5b8bc940
1 changed files with 25 additions and 9 deletions
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34
plugins/webrtc/src/h265-packetizer.ts
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@@ -127,7 +127,8 @@ export interface H265CodecInfo {
vps: Buffer;
sps: Buffer;
pps: Buffer;
sei?: Buffer;
seiPrefix?: Buffer;
seiSuffix?: Buffer;
}
export class H265Repacketizer {
@@ -186,9 +187,14 @@ export class H265Repacketizer {
this.codecInfo.pps = pps;
}
updateSei(sei: Buffer) {
updateSeiPrefix(sei: Buffer) {
this.ensureCodecInfo();
this.codecInfo.sei = sei;
this.codecInfo.seiPrefix = sei;
}
updateSeiSuffix(sei: Buffer) {
this.ensureCodecInfo();
this.codecInfo.seiSuffix = sei;
}
shouldFilter(nalType: number) {
@@ -454,8 +460,10 @@ export class H265Repacketizer {
const agg = [this.codecInfo.sps, this.codecInfo.pps];
if (this.codecInfo.vps)
agg.unshift(this.codecInfo.vps);
if (this.codecInfo?.sei)
agg.push(this.codecInfo.sei);
if (this.codecInfo?.seiPrefix)
agg.push(this.codecInfo.seiPrefix);
if (this.codecInfo?.seiSuffix)
agg.push(this.codecInfo.seiSuffix);
const aggregates = this.packetizeAP(agg);
if (aggregates.length !== 1) {
@@ -592,8 +600,11 @@ export class H265Repacketizer {
hasPps = true;
this.updatePps(payload);
}
else if (nalType === NAL_TYPE_SEI_PREFIX || nalType === NAL_TYPE_SEI_SUFFIX) {
this.updateSei(payload);
else if (nalType === NAL_TYPE_SEI_PREFIX ) {
this.updateSeiPrefix(payload);
}
else if ( nalType === NAL_TYPE_SEI_SUFFIX) {
this.updateSeiSuffix(payload);
}
else if (nalType === NAL_TYPE_AUD) {
// Access Unit Delimiter - typically a no-op
@@ -661,9 +672,14 @@ export class H265Repacketizer {
this.updatePps(packet.payload);
return;
}
else if (nalType === NAL_TYPE_SEI_PREFIX || nalType === NAL_TYPE_SEI_SUFFIX) {
else if (nalType === NAL_TYPE_SEI_PREFIX ) {
this.extraPackets--;
this.updateSei(packet.payload);
this.updateSeiPrefix(packet.payload);
return;
}
else if ( nalType === NAL_TYPE_SEI_SUFFIX) {
this.extraPackets--;
this.updateSeiSuffix(packet.payload);
return;
}