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avformat/lc3: Only allow AV_CODEC_ID_LC3 in muxer

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Also check for the number of streams and the AVCodecID generically
using FF_OFMT_FLAGs.

Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2024-04-16 19:14:30 +02:00
parent e9e1932c1c
commit 639013aafc
1 changed files with 3 additions and 11 deletions
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14
libavformat/lc3.c
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@ -186,16 +186,6 @@ const FFInputFormat ff_lc3_demuxer = {
#if CONFIG_LC3_MUXER
static av_cold int lc3_muxer_init(AVFormatContext *s)
{
if (s->nb_streams != 1) {
av_log(s, AV_LOG_ERROR, "This muxer only supports a single stream.\n");
return AVERROR(EINVAL);
}
return 0;
}
static int lc3_write_header(AVFormatContext *s)
{
AVStream *st = s->streams[0];
@ -243,8 +233,10 @@ const FFOutputFormat ff_lc3_muxer = {
.p.extensions = "lc3",
.p.audio_codec = AV_CODEC_ID_LC3,
.p.video_codec = AV_CODEC_ID_NONE,
.p.subtitle_codec = AV_CODEC_ID_NONE,
.p.flags = AVFMT_NOTIMESTAMPS,
.init = lc3_muxer_init,
.flags_internal = FF_OFMT_FLAG_MAX_ONE_OF_EACH |
FF_OFMT_FLAG_ONLY_DEFAULT_CODECS,
.write_header = lc3_write_header,
.write_packet = lc3_write_packet,
};