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Add support for FFmpeg loop_start metadata tag

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spicyjpeg
2025-12-05 02:02:17 +01:00
parent b7dc599771
commit ae864bf940
1 changed files with 10 additions and 0 deletions
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10
psxavenc/decoding.c
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@@ -341,6 +341,16 @@ int get_av_loop_point(decoder_t *decoder, const args_t *args) {
}
}
AVDictionaryEntry *loop_start_tag = av_dict_get(av->format->metadata, "loop_start", 0, 0);
if (loop_start_tag != NULL) {
int loop_point = (int)((strtoll(loop_start_tag->value, NULL, 10) * 1000) / AV_TIME_BASE);
if (!(args->flags & FLAG_QUIET))
fprintf(stderr, "Detected loop point (from metadata): %d ms\n", loop_point);
return loop_point;
}
if (av->format->nb_chapters > 0) {
if (av->format->nb_chapters > 1 && !(args->flags & FLAG_QUIET))
fprintf(stderr, "Warning: input file has %d chapters, using first one as loop point\n", av->format->nb_chapters);