Merge commit '4c3e1956ee35fdcc5ffdb28782050164b4623c0b'

* commit '4c3e1956ee35fdcc5ffdb28782050164b4623c0b':
  lagarith: reallocate rgb_planes when needed

Conflicts:
	libavcodec/lagarith.c

See: 9eef41b848
Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-02-05 02:46:45 +01:00
commit 6a4cc50980

View File

@ -52,6 +52,7 @@ typedef struct LagarithContext {
int zeros; /**< number of consecutive zero bytes encountered */
int zeros_rem; /**< number of zero bytes remaining to output */
uint8_t *rgb_planes;
int rgb_planes_allocated;
int rgb_stride;
} LagarithContext;
@ -611,13 +612,12 @@ static int lag_decode_frame(AVCodecContext *avctx,
offs[1] = offset_gu;
offs[2] = offset_ry;
l->rgb_stride = FFALIGN(avctx->width, 16);
av_fast_malloc(&l->rgb_planes, &l->rgb_planes_allocated,
l->rgb_stride * avctx->height * planes + 1);
if (!l->rgb_planes) {
l->rgb_stride = FFALIGN(avctx->width, 16);
l->rgb_planes = av_malloc(l->rgb_stride * avctx->height * 4 + 16);
if (!l->rgb_planes) {
av_log(avctx, AV_LOG_ERROR, "cannot allocate temporary buffer\n");
return AVERROR(ENOMEM);
}
av_log(avctx, AV_LOG_ERROR, "cannot allocate temporary buffer\n");
return AVERROR(ENOMEM);
}
for (i = 0; i < planes; i++)
srcs[i] = l->rgb_planes + (i + 1) * l->rgb_stride * avctx->height - l->rgb_stride;