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set AVINDEX_KEYFRAME correctly for bink 

Originally committed as revision 22021 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Peter Ross 2010-02-24 11:30:38 +00:00
parent 8d819221db
commit 7e276c85b1
1 changed files with 10 additions and 8 deletions
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18
libavformat/bink.c
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@ -74,7 +74,7 @@ static int read_header(AVFormatContext *s, AVFormatParameters *ap)
uint32_t fps_num, fps_den;
AVStream *vst, *ast;
unsigned int i;
uint32_t pos, prev_pos;
uint32_t pos, next_pos;
uint16_t flags;
int keyframe;
@ -147,22 +147,24 @@ static int read_header(AVFormatContext *s, AVFormatParameters *ap)
}
/* frame index table */
pos = get_le32(pb) & ~1;
next_pos = get_le32(pb);
for (i = 0; i < vst->duration; i++) {
prev_pos = pos;
pos = next_pos;
if (i == vst->duration - 1) {
pos = bink->file_size;
next_pos = bink->file_size;
keyframe = 0;
} else {
pos = get_le32(pb);
next_pos = get_le32(pb);
keyframe = pos & 1;
pos &= ~1;
}
if (pos <= prev_pos) {
pos &= ~1;
next_pos &= ~1;
if (next_pos <= pos) {
av_log(s, AV_LOG_ERROR, "invalid frame index table\n");
return AVERROR(EIO);
}
av_add_index_entry(vst, pos, i, pos - prev_pos, 0,
av_add_index_entry(vst, pos, i, next_pos - pos, 0,
keyframe ? AVINDEX_KEYFRAME : 0);
}