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avcodec/snow: factor ff_snow_get_buffer() out 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-06-27 04:45:04 +02:00
parent 134beb9e02
commit b96c9513f3
3 changed files with 24 additions and 22 deletions
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32
libavcodec/snow.c
View File

@ -66,6 +66,26 @@ void ff_snow_inner_add_yblock(const uint8_t *obmc, const int obmc_stride, uint8_
}
}
int ff_snow_get_buffer(SnowContext *s, AVFrame *frame)
{
int ret, i;
frame->width = s->avctx->width + 2 * EDGE_WIDTH;
frame->height = s->avctx->height + 2 * EDGE_WIDTH;
if ((ret = ff_get_buffer(s->avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0)
return ret;
for (i = 0; frame->data[i]; i++) {
int offset = (EDGE_WIDTH >> (i ? s->chroma_v_shift : 0)) *
frame->linesize[i] +
(EDGE_WIDTH >> (i ? s->chroma_h_shift : 0));
frame->data[i] += offset;
}
frame->width = s->avctx->width;
frame->height = s->avctx->height;
return 0;
}
void ff_snow_reset_contexts(SnowContext *s){ //FIXME better initial contexts
int plane_index, level, orientation;
@ -661,18 +681,8 @@ int ff_snow_frame_start(SnowContext *s){
return -1;
}
}
s->current_picture->width = s->avctx->width + 2 * EDGE_WIDTH;
s->current_picture->height = s->avctx->height + 2 * EDGE_WIDTH;
if ((ret = ff_get_buffer(s->avctx, s->current_picture, AV_GET_BUFFER_FLAG_REF)) < 0)
if ((ret = ff_snow_get_buffer(s, s->current_picture)) < 0)
return ret;
for (i = 0; s->current_picture->data[i]; i++) {
int offset = (EDGE_WIDTH >> (i ? s->chroma_v_shift : 0)) *
s->current_picture->linesize[i] +
(EDGE_WIDTH >> (i ? s->chroma_h_shift : 0));
s->current_picture->data[i] += offset;
}
s->current_picture->width = s->avctx->width;
s->current_picture->height = s->avctx->height;
s->current_picture->key_frame= s->keyframe;

1
libavcodec/snow.h
View File

@ -232,6 +232,7 @@ int ff_snow_frame_start(SnowContext *s);
void ff_snow_pred_block(SnowContext *s, uint8_t *dst, uint8_t *tmp, ptrdiff_t stride,
int sx, int sy, int b_w, int b_h, BlockNode *block,
int plane_index, int w, int h);
int ff_snow_get_buffer(SnowContext *s, AVFrame *frame);
/* common inline functions */
//XXX doublecheck all of them should stay inlined

13
libavcodec/snowenc.c
View File

@ -125,18 +125,9 @@ static av_cold int encode_init(AVCodecContext *avctx)
s->input_picture = av_frame_alloc();
if (!s->input_picture)
return AVERROR(ENOMEM);
s->input_picture->width = s->avctx->width + 2 * EDGE_WIDTH;
s->input_picture->height = s->avctx->height + 2 * EDGE_WIDTH;
if ((ret = ff_get_buffer(s->avctx, s->input_picture, AV_GET_BUFFER_FLAG_REF)) < 0)
if ((ret = ff_snow_get_buffer(s, s->input_picture)) < 0)
return ret;
for (i = 0; s->input_picture->data[i]; i++) {
int offset = (EDGE_WIDTH >> (i ? s->chroma_v_shift : 0)) *
s->input_picture->linesize[i] +
(EDGE_WIDTH >> (i ? s->chroma_h_shift : 0));
s->input_picture->data[i] += offset;
}
s->input_picture->width = s->avctx->width;
s->input_picture->height = s->avctx->height;
if(s->avctx->me_method == ME_ITER){
int size= s->b_width * s->b_height << 2*s->block_max_depth;