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proresdec2: avoid VLA and use SliceContext instead. 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-09-07 19:38:23 +02:00
parent af2a17c09a
commit 8e6511c1e1
2 changed files with 7 additions and 4 deletions
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1
libavcodec/proresdec.h
View File

@ -31,6 +31,7 @@ typedef struct {
unsigned mb_y;
unsigned mb_count;
unsigned data_size;
int ret;
} SliceContext;
typedef struct {

10
libavcodec/proresdec2.c
View File

@ -431,6 +431,7 @@ static int decode_slice_thread(AVCodecContext *avctx, void *arg, int jobnr, int
int16_t qmat_chroma_scaled[64];
int mb_x_shift;
slice->ret = -1;
//av_log(avctx, AV_LOG_INFO, "slice %d mb width %d mb x %d y %d\n",
// jobnr, slice->mb_count, slice->mb_x, slice->mb_y);
@ -494,19 +495,20 @@ static int decode_slice_thread(AVCodecContext *avctx, void *arg, int jobnr, int
qmat_chroma_scaled, log2_chroma_blocks_per_mb);
}
slice->ret = 0;
return 0;
}
static int decode_picture(AVCodecContext *avctx)
{
ProresContext *ctx = avctx->priv_data;
int i, threads_ret[ctx->slice_count];
int i;
avctx->execute2(avctx, decode_slice_thread, NULL, threads_ret, ctx->slice_count);
avctx->execute2(avctx, decode_slice_thread, NULL, NULL, ctx->slice_count);
for (i = 0; i < ctx->slice_count; i++)
if (threads_ret[i] < 0)
return threads_ret[i];
if (ctx->slices[i].ret < 0)
return ctx->slices[i].ret;
return 0;
}