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denoise_dct_mmx()

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Originally committed as revision 2657 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2004-01-02 22:29:08 +00:00
parent be408b67e6
commit 783df5f347
4 changed files with 63 additions and 4 deletions
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56
libavcodec/i386/mpegvideo_mmx.c
View File

@ -563,6 +563,60 @@ static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height, int w)
}
}
static void denoise_dct_mmx(MpegEncContext *s, DCTELEM *block){
const int intra= s->mb_intra;
int *sum= s->dct_error_sum[intra];
uint16_t *offset= s->dct_offset[intra];
s->dct_count[intra]++;
asm volatile(
"pxor %%mm7, %%mm7 \n\t"
"1: \n\t"
"pxor %%mm0, %%mm0 \n\t"
"pxor %%mm1, %%mm1 \n\t"
"movq (%0), %%mm2 \n\t"
"movq 8(%0), %%mm3 \n\t"
"pcmpgtw %%mm2, %%mm0 \n\t"
"pcmpgtw %%mm3, %%mm1 \n\t"
"pxor %%mm0, %%mm2 \n\t"
"pxor %%mm1, %%mm3 \n\t"
"psubw %%mm0, %%mm2 \n\t"
"psubw %%mm1, %%mm3 \n\t"
"movq %%mm2, %%mm4 \n\t"
"movq %%mm3, %%mm5 \n\t"
"psubusw (%2), %%mm2 \n\t"
"psubusw 8(%2), %%mm3 \n\t"
"pxor %%mm0, %%mm2 \n\t"
"pxor %%mm1, %%mm3 \n\t"
"psubw %%mm0, %%mm2 \n\t"
"psubw %%mm1, %%mm3 \n\t"
"movq %%mm2, (%0) \n\t"
"movq %%mm3, 8(%0) \n\t"
"movq %%mm4, %%mm2 \n\t"
"movq %%mm5, %%mm3 \n\t"
"punpcklwd %%mm7, %%mm4 \n\t"
"punpckhwd %%mm7, %%mm2 \n\t"
"punpcklwd %%mm7, %%mm5 \n\t"
"punpckhwd %%mm7, %%mm3 \n\t"
"paddd (%1), %%mm4 \n\t"
"paddd 8(%1), %%mm2 \n\t"
"paddd 16(%1), %%mm5 \n\t"
"paddd 24(%1), %%mm3 \n\t"
"movq %%mm4, (%1) \n\t"
"movq %%mm2, 8(%1) \n\t"
"movq %%mm5, 16(%1) \n\t"
"movq %%mm3, 24(%1) \n\t"
"addl $16, %0 \n\t"
"addl $32, %1 \n\t"
"addl $16, %2 \n\t"
"cmpl %3, %0 \n\t"
" jb 1b \n\t"
: "+r" (block), "+r" (sum), "+r" (offset)
: "r"(block+64)
);
}
#undef HAVE_MMX2
#define RENAME(a) a ## _MMX
#define RENAMEl(a) a ## _mmx
@ -588,6 +642,8 @@ void MPV_common_init_mmx(MpegEncContext *s)
s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_mmx;
draw_edges = draw_edges_mmx;
s->denoise_dct= denoise_dct_mmx;
if(dct_algo==FF_DCT_AUTO || dct_algo==FF_DCT_MMX){
if(mm_flags & MM_MMXEXT){

2
libavcodec/i386/mpegvideo_mmx_template.c
View File

@ -46,7 +46,7 @@ static int RENAME(dct_quantize)(MpegEncContext *s,
RENAMEl(ff_fdct) (block); //cant be anything else ...
if(s->dct_error_sum)
ff_denoise_dct(s, block);
s->denoise_dct(s, block);
if (s->mb_intra) {
int dummy;

8
libavcodec/mpegvideo.c
View File

@ -57,6 +57,7 @@ static void draw_edges_c(uint8_t *buf, int wrap, int width, int height, int w);
static int dct_quantize_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
static int dct_quantize_trellis_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
static int sse_mb(MpegEncContext *s);
static void denoise_dct_c(MpegEncContext *s, DCTELEM *block);
#endif //CONFIG_ENCODERS
#ifdef HAVE_XVMC
@ -219,6 +220,7 @@ int DCT_common_init(MpegEncContext *s)
#ifdef CONFIG_ENCODERS
s->dct_quantize= dct_quantize_c;
s->denoise_dct= denoise_dct_c;
#endif
#ifdef HAVE_MMX
@ -4611,7 +4613,7 @@ static void encode_picture(MpegEncContext *s, int picture_number)
#endif //CONFIG_ENCODERS
void ff_denoise_dct(MpegEncContext *s, DCTELEM *block){
static void denoise_dct_c(MpegEncContext *s, DCTELEM *block){
const int intra= s->mb_intra;
int i;
@ -4666,7 +4668,7 @@ static int dct_quantize_trellis_c(MpegEncContext *s,
s->dsp.fdct (block);
if(s->dct_error_sum)
ff_denoise_dct(s, block);
s->denoise_dct(s, block);
qmul= qscale*16;
qadd= ((qscale-1)|1)*8;
@ -4939,7 +4941,7 @@ static int dct_quantize_c(MpegEncContext *s,
s->dsp.fdct (block);
if(s->dct_error_sum)
ff_denoise_dct(s, block);
s->denoise_dct(s, block);
if (s->mb_intra) {
if (!s->h263_aic) {

1
libavcodec/mpegvideo.h
View File

@ -681,6 +681,7 @@ typedef struct MpegEncContext {
DCTELEM *block/*align 16*/, int n, int qscale);
int (*dct_quantize)(struct MpegEncContext *s, DCTELEM *block/*align 16*/, int n, int qscale, int *overflow);
int (*fast_dct_quantize)(struct MpegEncContext *s, DCTELEM *block/*align 16*/, int n, int qscale, int *overflow);
void (*denoise_dct)(struct MpegEncContext *s, DCTELEM *block);
} MpegEncContext;