diff options
Diffstat (limited to 'libavformat/bink.c')
| -rw-r--r-- | libavformat/bink.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/libavformat/bink.c b/libavformat/bink.c index 62bb114276..5f357a47de 100644 --- a/libavformat/bink.c +++ b/libavformat/bink.c @@ -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); } |