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Originally committed as revision 21060 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-01-07 15:12:31 +00:00
parent 7cd9fe488d
commit 64f716b499
1 changed files with 7 additions and 0 deletions
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7
libavcodec/h263.c
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@ -341,6 +341,10 @@ void h263_encode_gob_header(MpegEncContext * s, int mb_line)
}
}
/**
* Returns the number of bits that encoding the 8x8 block in block would need.
* @param[in] block_last_index last index in scantable order that refers to a non zero element in block.
*/
static inline int get_block_rate(MpegEncContext * s, DCTELEM block[64], int block_last_index, uint8_t scantable[64]){
int last=0;
int j;
@ -364,6 +368,9 @@ static inline int get_block_rate(MpegEncContext * s, DCTELEM block[64], int bloc
return rate;
}
/**
* Returns the optimal value (0 or 1) for the ac_pred element for the given MB in mpeg4.
*/
static inline int decide_ac_pred(MpegEncContext * s, DCTELEM block[6][64], int dir[6], uint8_t *st[6], int zigzag_last_index[6])
{
int score= 0;