error_concealment: Prevent FPEs in case of corrupted input.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-03-23 21:56:42 +01:00
parent e2d110d8d2
commit 71c2a70cbf
1 changed files with 1 additions and 1 deletions

View File

@ -248,7 +248,7 @@ static void guess_dc(MpegEncContext *s, int16_t *dc, int w,
weight_sum = 0;
guess = 0;
for (j = 0; j < 4; j++) {
int64_t weight = 256 * 256 * 256 * 16 / dist[b_x + b_y*stride][j];
int64_t weight = 256 * 256 * 256 * 16 / FFMAX(dist[b_x + b_y*stride][j], 1);
guess += weight*(int64_t)col[b_x + b_y*stride][j];
weight_sum += weight;
}