run1 can be <0 bugfix (found by fabrice)

Originally committed as revision 661 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2002-06-04 18:35:31 +00:00
parent 03c94ede93
commit dd536160cd
1 changed files with 2 additions and 2 deletions

View File

@ -2704,7 +2704,7 @@ static int h263_decode_motion(MpegEncContext * s, int pred, int f_code)
if (sign)
val = -val;
val += pred;
/* modulo decoding */
if (!s->h263_long_vectors) {
l = (1 << (f_code - 1)) * 32;
@ -2966,7 +2966,7 @@ static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
fprintf(stderr, "illegal 3. esc, esc 1 encoding possible\n");
return DECODING_AC_LOST;
}
if(abs_level <= rl->max_level[last][run1]){
if(run1 >= 0 && abs_level <= rl->max_level[last][run1]){
fprintf(stderr, "illegal 3. esc, esc 2 encoding possible\n");
return DECODING_AC_LOST;
}