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avformat/demux: don't discard empty Theora packets

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Theora signals "Output last frame again" with an empty packet.

Finishes fixing ticket #11451.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2025-02-14 00:14:35 -03:00
parent 84d85e7ad4
commit 6e26f57f67
1 changed files with 9 additions and 1 deletions
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10
libavformat/demux.c
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@ -1173,7 +1173,15 @@ static int parse_packet(AVFormatContext *s, AVPacket *pkt,
if (!size && !flush && sti->parser->flags & PARSER_FLAG_COMPLETE_FRAMES) { if (!size && !flush && sti->parser->flags & PARSER_FLAG_COMPLETE_FRAMES) {
// preserve 0-size sync packets // preserve 0-size sync packets
compute_pkt_fields(s, st, sti->parser, pkt, AV_NOPTS_VALUE, AV_NOPTS_VALUE); compute_pkt_fields(s, st, sti->parser, pkt, pkt->dts, pkt->pts);
// Theora has valid 0-sized packets that need to be output
if (st->codecpar->codec_id == AV_CODEC_ID_THEORA) {
ret = avpriv_packet_list_put(&fci->parse_queue,
pkt, NULL, 0);
if (ret < 0)
goto fail;
}
} }
while (size > 0 || (flush && got_output)) { while (size > 0 || (flush && got_output)) {