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Merge commit 'f875a732e36786d49f3650e3235272891a820600'

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* commit 'f875a732e36786d49f3650e3235272891a820600':
  mpeg4videodec: Check the width/height in mpeg4_decode_sprite_trajectory

Conflicts:
	libavcodec/mpeg4videodec.c

See: fc5c49ab32
Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-09-17 16:26:59 +02:00
commit 028f8c3ecb
1 changed files with 7 additions and 7 deletions
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14
libavcodec/mpeg4videodec.c
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@ -162,7 +162,7 @@ static inline int mpeg4_is_resync(MpegEncContext *s){
return 0;
}
static int mpeg4_decode_sprite_trajectory(MpegEncContext * s, GetBitContext *gb)
static int mpeg4_decode_sprite_trajectory(MpegEncContext *s, GetBitContext *gb)
{
int i;
int a= 2<<s->sprite_warping_accuracy;
@ -178,8 +178,8 @@ static int mpeg4_decode_sprite_trajectory(MpegEncContext * s, GetBitContext *gb)
int h= s->height;
int min_ab;
if(w<=0 || h<=0)
return -1;
if (w <= 0 || h <= 0)
return AVERROR_INVALIDDATA;
for(i=0; i<s->num_sprite_warping_points; i++){
int length;
@ -428,8 +428,8 @@ int ff_mpeg4_decode_video_packet_header(MpegEncContext *s)
skip_bits(&s->gb, 3); /* intra dc vlc threshold */
//FIXME don't just ignore everything
if(s->pict_type == AV_PICTURE_TYPE_S && s->vol_sprite_usage==GMC_SPRITE){
if(mpeg4_decode_sprite_trajectory(s, &s->gb) < 0)
return -1;
if (mpeg4_decode_sprite_trajectory(s, &s->gb) < 0)
return AVERROR_INVALIDDATA;
av_log(s->avctx, AV_LOG_ERROR, "untested\n");
}
@ -2100,8 +2100,8 @@ static int decode_vop_header(MpegEncContext *s, GetBitContext *gb){
}
if(s->pict_type == AV_PICTURE_TYPE_S && (s->vol_sprite_usage==STATIC_SPRITE || s->vol_sprite_usage==GMC_SPRITE)){
if(mpeg4_decode_sprite_trajectory(s, gb) < 0)
return -1;
if (mpeg4_decode_sprite_trajectory(s, gb) < 0)
return AVERROR_INVALIDDATA;
if(s->sprite_brightness_change) av_log(s->avctx, AV_LOG_ERROR, "sprite_brightness_change not supported\n");
if(s->vol_sprite_usage==STATIC_SPRITE) av_log(s->avctx, AV_LOG_ERROR, "static sprite not supported\n");
}