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Change VideoSampleResource interface, validate return values, add more proper VideoSample.copyTo() logic, fix decoder/encoder color space issues

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Vanilagy
2026-05-08 19:37:41 +02:00
parent f5bd540863
commit ab9958234a
7 changed files with 831 additions and 654 deletions
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packages/server/src/misc.ts
+45 -2
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@@ -1,12 +1,14 @@
import { VideoSamplePixelFormat, VideoCodec } from 'mediabunny';
import { VideoSamplePixelFormat, MediaCodec } from 'mediabunny';
import * as NodeAv from 'node-av';
export const CODEC_TO_CODEC_ID: Record<VideoCodec, NodeAv.AVCodecID> = {
export const CODEC_TO_CODEC_ID: Partial<Record<MediaCodec, NodeAv.AVCodecID>> = {
avc: NodeAv.AV_CODEC_ID_H264,
hevc: NodeAv.AV_CODEC_ID_HEVC,
vp8: NodeAv.AV_CODEC_ID_VP8,
vp9: NodeAv.AV_CODEC_ID_VP9,
av1: NodeAv.AV_CODEC_ID_AV1,
aac: NodeAv.AV_CODEC_ID_AAC,
};
let cachedHardwareContext: NodeAv.HardwareContext | null | undefined = undefined;
@@ -180,3 +182,44 @@ export const fromPixelFormat = (pixelFormat: VideoSamplePixelFormat) => {
default: return NodeAv.AV_PIX_FMT_NONE;
}
};
export const toAudioSampleFormat = (ffmpegSampleFormat: NodeAv.AVSampleFormat): AudioSampleFormat | null => {
switch (ffmpegSampleFormat) {
case NodeAv.AV_SAMPLE_FMT_U8: return 'u8';
case NodeAv.AV_SAMPLE_FMT_S16: return 's16';
case NodeAv.AV_SAMPLE_FMT_S32: return 's32';
case NodeAv.AV_SAMPLE_FMT_FLT: return 'f32';
case NodeAv.AV_SAMPLE_FMT_U8P: return 'u8-planar';
case NodeAv.AV_SAMPLE_FMT_S16P: return 's16-planar';
case NodeAv.AV_SAMPLE_FMT_S32P: return 's32-planar';
case NodeAv.AV_SAMPLE_FMT_FLTP: return 'f32-planar';
default: return null;
}
};
export const fromAudioSampleFormat = (sampleFormat: AudioSampleFormat): NodeAv.AVSampleFormat => {
switch (sampleFormat) {
case 'u8': return NodeAv.AV_SAMPLE_FMT_U8;
case 's16': return NodeAv.AV_SAMPLE_FMT_S16;
case 's32': return NodeAv.AV_SAMPLE_FMT_S32;
case 'f32': return NodeAv.AV_SAMPLE_FMT_FLT;
case 'u8-planar': return NodeAv.AV_SAMPLE_FMT_U8P;
case 's16-planar': return NodeAv.AV_SAMPLE_FMT_S16P;
case 's32-planar': return NodeAv.AV_SAMPLE_FMT_S32P;
case 'f32-planar': return NodeAv.AV_SAMPLE_FMT_FLTP;
default: return NodeAv.AV_SAMPLE_FMT_NONE;
}
};
export const getChannelLayout = (numChannels: number): NodeAv.ChannelLayout => {
switch (numChannels) {
case 1: return NodeAv.AV_CHANNEL_LAYOUT_MONO;
case 2: return NodeAv.AV_CHANNEL_LAYOUT_STEREO;
case 4: return NodeAv.AV_CHANNEL_LAYOUT_QUAD;
case 6: return NodeAv.AV_CHANNEL_LAYOUT_5POINT1;
case 8: return NodeAv.AV_CHANNEL_LAYOUT_7POINT1;
default: return { nbChannels: numChannels, order: NodeAv.AV_CHANNEL_ORDER_UNSPEC, mask: 0n };
}
};