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Replace cabac checks in inline functions from h264.h with constants.

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No benchmark because its just replacing variables with litteral constants
(so no risk for slowdown outside gcc silliness) and i need sleep.

Originally committed as revision 21237 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-01-16 05:41:33 +00:00
parent a482e61bd6
commit ddd60f28d8
3 changed files with 14 additions and 6 deletions
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16
libavcodec/h264.h
View File

@ -87,6 +87,10 @@
#define CHROMA 1
#endif
#ifndef CABAC
#define CABAC h->pps.cabac
#endif
#define EXTENDED_SAR 255
#define MB_TYPE_REF0 MB_TYPE_ACPRED //dirty but it fits in 16 bit
@ -923,7 +927,7 @@ static void fill_caches(H264Context *h, int mb_type, int for_deblock){
h->non_zero_count_cache[2+8*0]=
h->non_zero_count_cache[1+8*3]=
h->non_zero_count_cache[2+8*3]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
h->non_zero_count_cache[2+8*3]= CABAC && !IS_INTRA(mb_type) ? 0 : 64;
}
@ -937,11 +941,11 @@ static void fill_caches(H264Context *h, int mb_type, int for_deblock){
h->non_zero_count_cache[3+8*1 + 2*8*i]=
h->non_zero_count_cache[3+8*2 + 2*8*i]=
h->non_zero_count_cache[0+8*1 + 8*i]=
h->non_zero_count_cache[0+8*4 + 8*i]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
h->non_zero_count_cache[0+8*4 + 8*i]= CABAC && !IS_INTRA(mb_type) ? 0 : 64;
}
}
if( h->pps.cabac ) {
if( CABAC ) {
// top_cbp
if(top_type) {
h->top_cbp = h->cbp_table[top_xy];
@ -1053,7 +1057,7 @@ static void fill_caches(H264Context *h, int mb_type, int for_deblock){
*(uint32_t*)h->mv_cache [list][scan8[4 ]]=
*(uint32_t*)h->mv_cache [list][scan8[12]]= 0;
if( h->pps.cabac ) {
if( CABAC ) {
/* XXX beurk, Load mvd */
if(USES_LIST(top_type, list)){
const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
@ -1210,7 +1214,7 @@ static inline void write_back_motion(H264Context *h, int mb_type){
*(uint64_t*)s->current_picture.motion_val[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+0 + 8*y];
*(uint64_t*)s->current_picture.motion_val[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+2 + 8*y];
}
if( h->pps.cabac ) {
if( CABAC ) {
if(IS_SKIP(mb_type))
fill_rectangle(h->mvd_table[list][b_xy], 4, 4, h->b_stride, 0, 4);
else
@ -1229,7 +1233,7 @@ static inline void write_back_motion(H264Context *h, int mb_type){
}
}
if(h->slice_type_nos == FF_B_TYPE && h->pps.cabac){
if(h->slice_type_nos == FF_B_TYPE && CABAC){
if(IS_8X8(mb_type)){
uint8_t *direct_table = &h->direct_table[b8_xy];
direct_table[1+0*h->b8_stride] = IS_DIRECT(h->sub_mb_type[1]) ? 1 : 0;

2
libavcodec/h264_cabac.c
View File

@ -25,6 +25,8 @@
* @author Michael Niedermayer <michaelni@gmx.at>
*/
#define CABAC 1
#include "internal.h"
#include "dsputil.h"
#include "avcodec.h"

2
libavcodec/h264_cavlc.c
View File

@ -25,6 +25,8 @@
* @author Michael Niedermayer <michaelni@gmx.at>
*/
#define CABAC 0
#include "internal.h"
#include "avcodec.h"
#include "mpegvideo.h"