openharmony/third_party_ffmpeg
1
0
Fork 0
mirror of https://gitee.com/openharmony/third_party_ffmpeg synced 2024-11-24 11:49:48 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Move restore_ac_coeffs() up so its declared before its use.

Browse Source 
Originally committed as revision 21061 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-01-07 15:24:50 +00:00
parent 64f716b499
commit 0dc5dc08db
1 changed files with 23 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
libavcodec/h263.c
View File

@ -368,6 +368,29 @@ static inline int get_block_rate(MpegEncContext * s, DCTELEM block[64], int bloc
return rate;
}
static inline void restore_ac_coeffs(MpegEncContext * s, DCTELEM block[6][64], int dir[6], uint8_t *st[6], int zigzag_last_index[6])
{
int i, n;
memcpy(s->block_last_index, zigzag_last_index, sizeof(int)*6);
for(n=0; n<6; n++){
int16_t *ac_val = s->ac_val[0][0] + s->block_index[n] * 16;
st[n]= s->intra_scantable.permutated;
if(dir[n]){
/* top prediction */
for(i=1; i<8; i++){
block[n][s->dsp.idct_permutation[i ]] = ac_val[i+8];
}
}else{
/* left prediction */
for(i=1; i<8; i++){
block[n][s->dsp.idct_permutation[i<<3]]= ac_val[i ];
}
}
}
}
/**
* Returns the optimal value (0 or 1) for the ac_pred element for the given MB in mpeg4.
*/
@ -442,29 +465,6 @@ static inline int decide_ac_pred(MpegEncContext * s, DCTELEM block[6][64], int d
return score < 0;
}
static inline void restore_ac_coeffs(MpegEncContext * s, DCTELEM block[6][64], int dir[6], uint8_t *st[6], int zigzag_last_index[6])
{
int i, n;
memcpy(s->block_last_index, zigzag_last_index, sizeof(int)*6);
for(n=0; n<6; n++){
int16_t *ac_val = s->ac_val[0][0] + s->block_index[n] * 16;
st[n]= s->intra_scantable.permutated;
if(dir[n]){
/* top prediction */
for(i=1; i<8; i++){
block[n][s->dsp.idct_permutation[i ]] = ac_val[i+8];
}
}else{
/* left prediction */
for(i=1; i<8; i++){
block[n][s->dsp.idct_permutation[i<<3]]= ac_val[i ];
}
}
}
}
/**
* modify qscale so that encoding is acually possible in h263 (limit difference to -2..2)
*/