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mp3dec: read the initial/trailing padding from the LAME tag

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This commit is contained in:
Anton Khirnov 2016-07-01 10:44:41 +02:00
parent 7a76371437
commit d60c2d5216
1 changed files with 4 additions and 2 deletions
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6
libavformat/mp3dec.c
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@ -143,7 +143,7 @@ static void mp3_parse_info_tag(AVFormatContext *s, AVStream *st,
#define MIDDLE_BITS(k, m, n) LAST_BITS((k) >> (m), ((n) - (m)))
uint16_t crc;
uint32_t v;
uint32_t v, delays;
char version[10];
@ -215,7 +215,9 @@ static void mp3_parse_info_tag(AVFormatContext *s, AVStream *st,
avio_r8(s->pb);
/* Encoder delays */
avio_rb24(s->pb);
delays = avio_rb24(s->pb);
st->codecpar->initial_padding = delays >> 12;
st->codecpar->trailing_padding = delays & ((1 << 12) - 1);
/* Misc */
avio_r8(s->pb);