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Add a few error checks to rm_assemble_video_frame()

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Originally committed as revision 16399 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-12-30 20:51:18 +00:00
parent 51d6852f43
commit e45673cb3a
1 changed files with 6 additions and 0 deletions
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6
libavformat/rmdec.c
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@ -498,10 +498,14 @@ static int rm_assemble_video_frame(AVFormatContext *s, ByteIOContext *pb,
seq = get_byte(pb); len--;
len2 = get_num(pb, &len);
pos = get_num(pb, &len);
if(len < 1)
return -1;
pic_num = get_byte(pb); len--;
rm->remaining_len = len;
break;
case 1: //whole frame
if(len<1)
return -1;
seq = get_byte(pb); len--;
if(av_new_packet(pkt, len + 9) < 0)
return AVERROR(EIO);
@ -515,6 +519,8 @@ static int rm_assemble_video_frame(AVFormatContext *s, ByteIOContext *pb,
len2 = get_num(pb, &len);
pos = get_num(pb, &len);
pic_num = get_byte(pb); len--;
if(len < len2)
return -1;
rm->remaining_len = len - len2;
if(av_new_packet(pkt, len2 + 9) < 0)
return AVERROR(EIO);