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avformat/mp3enc: Avoid SEEK_END as it is unsupported

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
pull/315/head
Michael Niedermayer 6 years ago
parent 90db25a16e
commit bf3ee6a130
1 changed files with 2 additions and 1 deletions
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  1. 3
      libavformat/mp3enc.c

3
libavformat/mp3enc.c
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@ -391,6 +391,7 @@ static void mp3_update_xing(AVFormatContext *s)
uint16_t tag_crc; uint16_t tag_crc;
uint8_t *toc; uint8_t *toc;
int i, rg_size; int i, rg_size;
int64_t old_pos = avio_tell(s->pb);
/* replace "Xing" identification string with "Info" for CBR files. */ /* replace "Xing" identification string with "Info" for CBR files. */
if (!mp3->has_variable_bitrate) if (!mp3->has_variable_bitrate)
@ -450,7 +451,7 @@ static void mp3_update_xing(AVFormatContext *s)
avio_seek(s->pb, mp3->xing_frame_offset, SEEK_SET); avio_seek(s->pb, mp3->xing_frame_offset, SEEK_SET);
avio_write(s->pb, mp3->xing_frame, mp3->xing_frame_size); avio_write(s->pb, mp3->xing_frame, mp3->xing_frame_size);
avio_seek(s->pb, 0, SEEK_END); avio_seek(s->pb, old_pos, SEEK_SET);
} }
static int mp3_write_trailer(struct AVFormatContext *s) static int mp3_write_trailer(struct AVFormatContext *s)

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