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avcodec/cavs: Check for av_malloc* failure in ff_cavs_init_top_lines()

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-01-10 13:59:46 +01:00
parent 6f838dee3c
commit 35e559ae32
3 changed files with 20 additions and 3 deletions
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19
libavcodec/cavs.c
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@ -751,7 +751,7 @@ int ff_cavs_init_pic(AVSContext *h)
* this data has to be stored for one complete row of macroblocks * this data has to be stored for one complete row of macroblocks
* and this storage space is allocated here * and this storage space is allocated here
*/ */
void ff_cavs_init_top_lines(AVSContext *h) int ff_cavs_init_top_lines(AVSContext *h)
{ {
/* alloc top line of predictors */ /* alloc top line of predictors */
h->top_qp = av_mallocz(h->mb_width); h->top_qp = av_mallocz(h->mb_width);
@ -767,6 +767,23 @@ void ff_cavs_init_top_lines(AVSContext *h)
4 * sizeof(cavs_vector)); 4 * sizeof(cavs_vector));
h->col_type_base = av_mallocz(h->mb_width * h->mb_height); h->col_type_base = av_mallocz(h->mb_width * h->mb_height);
h->block = av_mallocz(64 * sizeof(int16_t)); h->block = av_mallocz(64 * sizeof(int16_t));
if (!h->top_qp || !h->top_mv[0] || !h->top_mv[1] || !h->top_pred_Y ||
!h->top_border_y || !h->top_border_u || !h->top_border_v ||
!h->col_mv || !h->col_type_base || !h->block) {
av_freep(&h->top_qp);
av_freep(&h->top_mv[0]);
av_freep(&h->top_mv[1]);
av_freep(&h->top_pred_Y);
av_freep(&h->top_border_y);
av_freep(&h->top_border_u);
av_freep(&h->top_border_v);
av_freep(&h->col_mv);
av_freep(&h->col_type_base);
av_freep(&h->block);
return AVERROR(ENOMEM);
}
return 0;
} }
av_cold int ff_cavs_init(AVCodecContext *avctx) av_cold int ff_cavs_init(AVCodecContext *avctx)

2
libavcodec/cavs.h
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@ -272,7 +272,7 @@ void ff_cavs_mv(AVSContext *h, enum cavs_mv_loc nP, enum cavs_mv_loc nC,
void ff_cavs_init_mb(AVSContext *h); void ff_cavs_init_mb(AVSContext *h);
int ff_cavs_next_mb(AVSContext *h); int ff_cavs_next_mb(AVSContext *h);
int ff_cavs_init_pic(AVSContext *h); int ff_cavs_init_pic(AVSContext *h);
void ff_cavs_init_top_lines(AVSContext *h); int ff_cavs_init_top_lines(AVSContext *h);
int ff_cavs_init(AVCodecContext *avctx); int ff_cavs_init(AVCodecContext *avctx);
int ff_cavs_end (AVCodecContext *avctx); int ff_cavs_end (AVCodecContext *avctx);

2
libavcodec/cavsdec.c
View File

@ -1151,7 +1151,7 @@ static int decode_seq_header(AVSContext *h)
h->avctx->width = h->width; h->avctx->width = h->width;
h->avctx->height = h->height; h->avctx->height = h->height;
if (!h->top_qp) if (!h->top_qp)
ff_cavs_init_top_lines(h); return ff_cavs_init_top_lines(h);
return 0; return 0;
} }