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Code Issues Releases Activity

move preparation of chroma intra prediction into its

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own inline function

Originally committed as revision 9513 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefan Gehrer 2007-07-07 05:27:59 +00:00
parent b8524fd13f
commit e183b6d17c
2 changed files with 18 additions and 14 deletions
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15
libavcodec/cavs.c
View File

@ -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],

17
libavcodec/cavs.h
View File

@ -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) {