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Fix seek to 0 in non-libopus Opus

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This commit is contained in:
bnnm 2023-02-17 01:03:58 +01:00
parent 69d0b1a7f7
commit 3ff46db869
1 changed files with 10 additions and 4 deletions
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14
src/coding/ffmpeg_decoder_custom_opus.c
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@ -778,10 +778,16 @@ static ffmpeg_codec_data* init_ffmpeg_custom_opus_config(STREAMFILE* sf, off_t s
ffmpeg_data = init_ffmpeg_offset(temp_sf, 0x00, get_streamfile_size(temp_sf));
if (!ffmpeg_data) goto fail;
/* FFmpeg + libopus: skips samples, notifies skip in codecCtx->delay (not in stream->skip_samples)
* FFmpeg + opus: *doesn't* skip, also notifies skip in codecCtx->delay, hurray (possibly fixed in recent versions)
* FFmpeg + opus is audibly buggy with some low bitrate SSB Ultimate files */
//ffmpeg_set_skip_samples(ffmpeg_data, skip);
/* FFmpeg + libopus: skips samples, notifies skip in codecCtx->delay/initial_padding (not in stream->skip_samples)
* FFmpeg + opus: skip samples but loses them on reset/seek to 0, also notifies skip in codecCtx->delay/initial_padding */
{
/* quick fix for non-libopus (not sure how to detect better since both share AV_CODEC_ID_OPUS)*/
const char* name = ffmpeg_get_codec_name(ffmpeg_data);
if (name && (name[0] == 'O' || name[0] == 'o')) { /* "Opus" vs "libopus" */
//ffmpeg_set_skip_samples(ffmpeg_data, cfg->skip); /* can't overwrite internal decoder skip */
ffmpeg_set_force_seek(ffmpeg_data);
}
}
close_streamfile(temp_sf);
return ffmpeg_data;