diff options
Diffstat (limited to 'libavcodec/dsputil.c')
| -rw-r--r-- | libavcodec/dsputil.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c index 49bd1c4ca1..1bee9b969e 100644 --- a/libavcodec/dsputil.c +++ b/libavcodec/dsputil.c @@ -3115,6 +3115,9 @@ void ff_set_cmp(DSPContext* c, me_cmp_func *cmp, int type){ case FF_CMP_DCT: cmp[i]= c->dct_sad[i]; break; + case FF_CMP_DCT264: + cmp[i]= c->dct264_sad[i]; + break; case FF_CMP_DCTMAX: cmp[i]= c->dct_max[i]; break; @@ -3341,6 +3344,59 @@ static int dct_sad8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *src2 return sum; } +#ifdef CONFIG_GPL +#define DCT8_1D {\ + const int s07 = SRC(0) + SRC(7);\ + const int s16 = SRC(1) + SRC(6);\ + const int s25 = SRC(2) + SRC(5);\ + const int s34 = SRC(3) + SRC(4);\ + const int a0 = s07 + s34;\ + const int a1 = s16 + s25;\ + const int a2 = s07 - s34;\ + const int a3 = s16 - s25;\ + const int d07 = SRC(0) - SRC(7);\ + const int d16 = SRC(1) - SRC(6);\ + const int d25 = SRC(2) - SRC(5);\ + const int d34 = SRC(3) - SRC(4);\ + const int a4 = d16 + d25 + (d07 + (d07>>1));\ + const int a5 = d07 - d34 - (d25 + (d25>>1));\ + const int a6 = d07 + d34 - (d16 + (d16>>1));\ + const int a7 = d16 - d25 + (d34 + (d34>>1));\ + DST(0, a0 + a1 ) ;\ + DST(1, a4 + (a7>>2)) ;\ + DST(2, a2 + (a3>>1)) ;\ + DST(3, a5 + (a6>>2)) ;\ + DST(4, a0 - a1 ) ;\ + DST(5, a6 - (a5>>2)) ;\ + DST(6, (a2>>1) - a3 ) ;\ + DST(7, (a4>>2) - a7 ) ;\ +} + +static int dct264_sad8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *src2, int stride, int h){ + MpegEncContext * const s= (MpegEncContext *)c; + int16_t dct[8][8]; + int i; + int sum=0; + + s->dsp.diff_pixels(dct, src1, src2, stride); + +#define SRC(x) dct[i][x] +#define DST(x,v) dct[i][x]= v + for( i = 0; i < 8; i++ ) + DCT8_1D +#undef SRC +#undef DST + +#define SRC(x) dct[x][i] +#define DST(x,v) sum += ABS(v) + for( i = 0; i < 8; i++ ) + DCT8_1D +#undef SRC +#undef DST + return sum; +} +#endif + static int dct_max8x8_c(/*MpegEncContext*/ void *c, uint8_t *src1, uint8_t *src2, int stride, int h){ MpegEncContext * const s= (MpegEncContext *)c; uint64_t __align8 aligned_temp[sizeof(DCTELEM)*64/8]; @@ -3587,6 +3643,7 @@ static int vsse16_c(/*MpegEncContext*/ void *c, uint8_t *s1, uint8_t *s2, int st WARPER8_16_SQ(hadamard8_diff8x8_c, hadamard8_diff16_c) WARPER8_16_SQ(hadamard8_intra8x8_c, hadamard8_intra16_c) WARPER8_16_SQ(dct_sad8x8_c, dct_sad16_c) +WARPER8_16_SQ(dct264_sad8x8_c, dct264_sad16_c) WARPER8_16_SQ(dct_max8x8_c, dct_max16_c) WARPER8_16_SQ(quant_psnr8x8_c, quant_psnr16_c) WARPER8_16_SQ(rd8x8_c, rd16_c) @@ -3870,6 +3927,7 @@ void dsputil_init(DSPContext* c, AVCodecContext *avctx) c->hadamard8_diff[4]= hadamard8_intra16_c; SET_CMP_FUNC(dct_sad) SET_CMP_FUNC(dct_max) + SET_CMP_FUNC(dct264_sad) c->sad[0]= pix_abs16_c; c->sad[1]= pix_abs8_c; c->sse[0]= sse16_c; |