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avformat/segafilm: Do not assume AV_CODEC_ID_NONE is 0 

Suggested-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d34e4904cd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2020-10-22 18:18:43 +02:00
parent 7da5efcf70
commit 837477a755
1 changed files with 6 additions and 6 deletions
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12
libavformat/segafilm.c
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@ -144,11 +144,11 @@ static int film_read_header(AVFormatContext *s)
film->video_type = AV_CODEC_ID_NONE;
}
if (!film->video_type && !film->audio_type)
if (film->video_type == AV_CODEC_ID_NONE && film->audio_type == AV_CODEC_ID_NONE)
return AVERROR_INVALIDDATA;
/* initialize the decoder streams */
if (film->video_type) {
if (film->video_type != AV_CODEC_ID_NONE) {
st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
@ -169,7 +169,7 @@ static int film_read_header(AVFormatContext *s)
}
}
if (film->audio_type) {
if (film->audio_type != AV_CODEC_ID_NONE) {
st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
@ -244,7 +244,7 @@ static int film_read_header(AVFormatContext *s)
film->sample_table[i].pts = AV_RB32(&scratch[8]) & 0x7FFFFFFF;
film->sample_table[i].keyframe = (scratch[8] & 0x80) ? 0 : AVINDEX_KEYFRAME;
video_frame_counter++;
if (film->video_type)
if (film->video_type != AV_CODEC_ID_NONE)
av_add_index_entry(s->streams[film->video_stream_index],
film->sample_table[i].sample_offset,
film->sample_table[i].pts,
@ -253,10 +253,10 @@ static int film_read_header(AVFormatContext *s)
}
}
if (film->audio_type)
if (film->audio_type != AV_CODEC_ID_NONE)
s->streams[film->audio_stream_index]->duration = audio_frame_counter;
if (film->video_type)
if (film->video_type != AV_CODEC_ID_NONE)
s->streams[film->video_stream_index]->duration = video_frame_counter;
film->current_sample = 0;