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Add support for all audio codecs in the ISOBMFF muxer (& some fixes)

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Vanilagy
2025-01-05 13:50:50 +01:00
parent 316e16211b
commit ee81e1b674
10 changed files with 560 additions and 155 deletions
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src/media-source.ts
+6 -2
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@@ -5,6 +5,7 @@ import {
buildVideoCodecString,
getAudioEncoderConfigExtension,
getVideoEncoderConfigExtension,
PCM_CODECS,
SUBTITLE_CODECS,
SubtitleCodec,
VIDEO_CODECS,
@@ -418,7 +419,7 @@ export class EncodedAudioSampleSource extends AudioSource {
/** @public */
export type AudioEncodingConfig = {
codec: AudioCodec;
bitrate: number;
bitrate?: number;
onEncodedChunk?: (chunk: EncodedAudioChunk, meta: EncodedAudioChunkMetadata | undefined) => unknown;
onEncodingError?: (error: Error) => unknown;
};
@@ -430,7 +431,10 @@ const validateAudioEncodingConfig = (config: AudioEncodingConfig) => {
if (!AUDIO_CODECS.includes(config.codec)) {
throw new TypeError(`Invalid audio codec '${config.codec}'. Must be one of: ${AUDIO_CODECS.join(', ')}.`);
}
if (!Number.isInteger(config.bitrate) || config.bitrate <= 0) {
if (config.bitrate === undefined && !(PCM_CODECS as readonly string[]).includes(config.codec)) {
throw new TypeError('config.bitrate must be provided for compressed audio codecs.');
}
if (config.bitrate !== undefined && (!Number.isInteger(config.bitrate) || config.bitrate <= 0)) {
throw new TypeError('config.bitrate must be a positive integer.');
}
if (config.onEncodingError !== undefined && typeof config.onEncodingError !== 'function') {