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Merge commit '0b6adcf76bda8994902f5b6d8e694b0b916ea210' into release/1.1

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* commit '0b6adcf76bda8994902f5b6d8e694b0b916ea210':
  oma: refactor seek function
  xl: Make sure the width is valid
  8bps: Bound-check the input buffer
  4xm: Reject not a multiple of 16 dimension
  alsdec: Clean up error paths
  alsdec: Fix the clipping range
  dsicinav: Clip the source size to the expected maximum
  dsicinav: Bound-check the source buffer when needed
  dsicinav: K&R formatting cosmetics
  lavf: Make sure avg_frame_rate can be calculated without integer overflow
  mov: Do not allow updating the time scale after it has been set
  mov: Seek back if overreading an individual atom
  ac3dec: Don't consume more data than the actual input packet size
  indeo: Reject impossible FRAMETYPE_NULL
  indeo: Do not reference mismatched tiles

Conflicts:
	libavcodec/4xm.c
	libavcodec/8bps.c
	libavcodec/alsdec.c
	libavcodec/dsicinav.c
	libavcodec/ivi_common.c
	libavcodec/xl.c
	libavformat/mov.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2013-08-27 18:20:09 +02:00
parent fd85d03162 0b6adcf76b
commit 0930a562e7
8 changed files with 190 additions and 136 deletions
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27
libavformat/omadec.c
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@@ -432,23 +432,26 @@ static int oma_read_probe(AVProbeData *p)
static int oma_read_seek(struct AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
{
OMAContext *oc = s->priv_data;
int err = ff_pcm_read_seek(s, stream_index, timestamp, flags);
ff_pcm_read_seek(s, stream_index, timestamp, flags);
if (!oc->encrypted)
return err;
if (oc->encrypted) {
/* readjust IV for CBC */
int64_t pos = avio_tell(s->pb);
if (pos < oc->content_start)
memset(oc->iv, 0, 8);
else {
if (avio_seek(s->pb, -8, SEEK_CUR) < 0 || avio_read(s->pb, oc->iv, 8) < 8) {
memset(oc->iv, 0, 8);
return -1;
}
}
/* readjust IV for CBC */
if (err || avio_tell(s->pb) < oc->content_start)
goto wipe;
if ((err = avio_seek(s->pb, -8, SEEK_CUR)) < 0)
goto wipe;
if ((err = avio_read(s->pb, oc->iv, 8)) < 8) {
if (err >= 0)
err = AVERROR_EOF;
goto wipe;
}
return 0;
wipe:
memset(oc->iv, 0, 8);
return err;
}
AVInputFormat ff_oma_demuxer = {