[SCM] libav/experimental: move preparation of chroma intra prediction into its own inline function
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 16:03:09 UTC 2013
The following commit has been merged in the experimental branch:
commit e183b6d17cc5730f41f44ccca5c9857e19385f5f
Author: Stefan Gehrer <stefan.gehrer at gmx.de>
Date: Sat Jul 7 05:27:59 2007 +0000
move preparation of chroma intra prediction into its
own inline function
Originally committed as revision 9513 to svn://svn.ffmpeg.org/ffmpeg/trunk
diff --git a/libavcodec/cavs.c b/libavcodec/cavs.c
index b6db8fe..c1b9f49 100644
--- a/libavcodec/cavs.c
+++ b/libavcodec/cavs.c
@@ -657,20 +657,7 @@ static int decode_mb_i(AVSContext *h, int cbp_code) {
}
/* chroma intra prediction */
- /* extend borders by one pixel */
- h->left_border_u[9] = h->left_border_u[8];
- h->left_border_v[9] = h->left_border_v[8];
- h->top_border_u[h->mbx*10+9] = h->top_border_u[h->mbx*10+8];
- h->top_border_v[h->mbx*10+9] = h->top_border_v[h->mbx*10+8];
- if(h->mbx && h->mby) {
- h->top_border_u[h->mbx*10] = h->left_border_u[0] = h->topleft_border_u;
- h->top_border_v[h->mbx*10] = h->left_border_v[0] = h->topleft_border_v;
- } else {
- h->left_border_u[0] = h->left_border_u[1];
- h->left_border_v[0] = h->left_border_v[1];
- h->top_border_u[h->mbx*10] = h->top_border_u[h->mbx*10+1];
- h->top_border_v[h->mbx*10] = h->top_border_v[h->mbx*10+1];
- }
+ load_intra_pred_chroma(h);
h->intra_pred_c[pred_mode_uv](h->cu, &h->top_border_u[h->mbx*10],
h->left_border_u, h->c_stride);
h->intra_pred_c[pred_mode_uv](h->cv, &h->top_border_v[h->mbx*10],
diff --git a/libavcodec/cavs.h b/libavcodec/cavs.h
index 6610574..a2d050a 100644
--- a/libavcodec/cavs.h
+++ b/libavcodec/cavs.h
@@ -276,6 +276,23 @@ static inline void load_intra_pred_luma(AVSContext *h, uint8_t *top,
}
}
+static inline void load_intra_pred_chroma(AVSContext *h) {
+ /* extend borders by one pixel */
+ h->left_border_u[9] = h->left_border_u[8];
+ h->left_border_v[9] = h->left_border_v[8];
+ h->top_border_u[h->mbx*10+9] = h->top_border_u[h->mbx*10+8];
+ h->top_border_v[h->mbx*10+9] = h->top_border_v[h->mbx*10+8];
+ if(h->mbx && h->mby) {
+ h->top_border_u[h->mbx*10] = h->left_border_u[0] = h->topleft_border_u;
+ h->top_border_v[h->mbx*10] = h->left_border_v[0] = h->topleft_border_v;
+ } else {
+ h->left_border_u[0] = h->left_border_u[1];
+ h->left_border_v[0] = h->left_border_v[1];
+ h->top_border_u[h->mbx*10] = h->top_border_u[h->mbx*10+1];
+ h->top_border_v[h->mbx*10] = h->top_border_v[h->mbx*10+1];
+ }
+}
+
static inline void modify_pred(const int_fast8_t *mod_table, int *mode) {
*mode = mod_table[*mode];
if(*mode < 0) {
--
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