generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

mss12: move SliceContexts out of the common context into the codec contexts

Browse Source 
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
This commit is contained in:
Alberto Delmás
2012-09-02 12:42:01 +02:00
committed by Kostya Shishkov
parent eb239a577f
commit a97ee41bee
4 changed files with 44 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
libavcodec/mss2.c
View File

@@ -671,14 +671,18 @@ static int mss2_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
buf += get_bits_count(&gb) >> 3;
buf_size -= get_bits_count(&gb) >> 3;
} else {
if (keyframe)
ff_mss12_codec_reset(c);
if (keyframe) {
c->corrupted = 0;
ff_mss12_slicecontext_reset(&ctx->sc[0]);
if (c->slice_split)
ff_mss12_slicecontext_reset(&ctx->sc[1]);
}
else if (c->corrupted)
return AVERROR_INVALIDDATA;
bytestream2_init(&gB, buf, buf_size + ARITH2_PADDING);
arith2_init(&acoder, &gB);
c->keyframe = keyframe;
if (c->corrupted = ff_mss12_decode_rect(&c->sc[0], &acoder, 0, 0,
if (c->corrupted = ff_mss12_decode_rect(&ctx->sc[0], &acoder, 0, 0,
avctx->width,
ctx->split_position))
return AVERROR_INVALIDDATA;
@@ -690,7 +694,7 @@ static int mss2_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
return AVERROR_INVALIDDATA;
bytestream2_init(&gB, buf, buf_size + ARITH2_PADDING);
arith2_init(&acoder, &gB);
if (c->corrupted = ff_mss12_decode_rect(&c->sc[1], &acoder, 0,
if (c->corrupted = ff_mss12_decode_rect(&ctx->sc[1], &acoder, 0,
ctx->split_position,
avctx->width,
avctx->height - ctx->split_position))
@@ -830,7 +834,7 @@ static av_cold int mss2_decode_init(AVCodecContext *avctx)
int ret;
c->avctx = avctx;
avctx->coded_frame = &ctx->pic;
if (ret = ff_mss12_decode_init(c, 1))
if (ret = ff_mss12_decode_init(c, 1, &ctx->sc[0], &ctx->sc[1]))
return ret;
c->pal_stride = c->mask_stride;
c->pal_pic = av_malloc(c->pal_stride * avctx->height);