arcodange/mediabunny
1
0
Fork 0
mirror of https://github.com/arcodange-org/mediabunny.git synced 2026-09-28 03:13:51 +02:00
Code Issues Packages Projects Releases Wiki Activity

Support AVC3 in ISOBMFF (fixes #216)

Browse Source
This commit is contained in:
Vanilagy
2025-11-11 16:55:54 +01:00
parent 71dd2c565b
commit 5b45c51d40
3 changed files with 10 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/codec.ts
+5 -2
View File
@@ -337,6 +337,7 @@ export const extractVideoCodecString = (trackInfo: {
codec: VideoCodec | null;
codecDescription: Uint8Array | null;
colorSpace: VideoColorSpaceInit | null;
avcType: 1 | 3 | null;
avcCodecInfo: AvcDecoderConfigurationRecord | null;
hevcCodecInfo: HevcDecoderConfigurationRecord | null;
vp9CodecInfo: Vp9CodecInfo | null;
@@ -345,6 +346,8 @@ export const extractVideoCodecString = (trackInfo: {
const { codec, codecDescription, colorSpace, avcCodecInfo, hevcCodecInfo, vp9CodecInfo, av1CodecInfo } = trackInfo;
if (codec === 'avc') {
assert(trackInfo.avcType !== null);
if (avcCodecInfo) {
const bytes = new Uint8Array([
avcCodecInfo.avcProfileIndication,
@@ -352,14 +355,14 @@ export const extractVideoCodecString = (trackInfo: {
avcCodecInfo.avcLevelIndication,
]);
return `avc1.${bytesToHexString(bytes)}`;
return `avc${trackInfo.avcType}.${bytesToHexString(bytes)}`;
}
if (!codecDescription || codecDescription.byteLength < 4) {
throw new TypeError('AVC decoder description is not provided or is not at least 4 bytes long.');
}
return `avc1.${bytesToHexString(codecDescription.subarray(1, 4))}`;
return `avc${trackInfo.avcType}.${bytesToHexString(codecDescription.subarray(1, 4))}`;
} else if (codec === 'hevc') {
let generalProfileSpace: number;
let generalProfileIdc: number;