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cavs: initialize various context tables to 0 

Avoids crashes with corrupted files.

CC:libav-stable@libav.org
This commit is contained in:
Anton Khirnov 2013-02-14 14:39:41 +01:00
parent 0dff40bfb9
commit 4f3b058c84
1 changed files with 9 additions and 9 deletions
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18
libavcodec/cavs.c
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@ -708,17 +708,17 @@ void ff_cavs_init_pic(AVSContext *h) {
*/
void ff_cavs_init_top_lines(AVSContext *h) {
/* alloc top line of predictors */
h->top_qp = av_malloc( h->mb_width);
h->top_mv[0] = av_malloc((h->mb_width*2+1)*sizeof(cavs_vector));
h->top_mv[1] = av_malloc((h->mb_width*2+1)*sizeof(cavs_vector));
h->top_pred_Y = av_malloc( h->mb_width*2*sizeof(*h->top_pred_Y));
h->top_border_y = av_malloc((h->mb_width+1)*16);
h->top_border_u = av_malloc( h->mb_width * 10);
h->top_border_v = av_malloc( h->mb_width * 10);
h->top_qp = av_mallocz( h->mb_width);
h->top_mv[0] = av_mallocz((h->mb_width*2+1)*sizeof(cavs_vector));
h->top_mv[1] = av_mallocz((h->mb_width*2+1)*sizeof(cavs_vector));
h->top_pred_Y = av_mallocz( h->mb_width*2*sizeof(*h->top_pred_Y));
h->top_border_y = av_mallocz((h->mb_width+1)*16);
h->top_border_u = av_mallocz( h->mb_width * 10);
h->top_border_v = av_mallocz( h->mb_width * 10);
/* alloc space for co-located MVs and types */
h->col_mv = av_malloc( h->mb_width*h->mb_height*4*sizeof(cavs_vector));
h->col_type_base = av_malloc(h->mb_width*h->mb_height);
h->col_mv = av_mallocz( h->mb_width*h->mb_height*4*sizeof(cavs_vector));
h->col_type_base = av_mallocz(h->mb_width*h->mb_height);
h->block = av_mallocz(64*sizeof(int16_t));
}