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Check pointers before writing to memory, fix possible integer overflows

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Force alignement for mszh and zlib decoders

Originally committed as revision 3817 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Roberto Togni
2005-01-09 23:39:32 +00:00
parent 9c6221ae62
commit c31b812166
3 changed files with 63 additions and 17 deletions
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6
libavcodec/utils.c
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@@ -217,6 +217,12 @@ void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
h_align=4;
}
break;
case PIX_FMT_BGR24:
if((s->codec_id == CODEC_ID_MSZH) || (s->codec_id == CODEC_ID_ZLIB)){
w_align=4;
h_align=4;
}
break;
default:
w_align= 1;
h_align= 1;