mirror of https://github.com/mpv-player/mpv
170 lines
3.4 KiB
C
170 lines
3.4 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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#include "../config.h"
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#include "../mp_msg.h"
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#include "../cpudetect.h"
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#include "img_format.h"
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#include "mp_image.h"
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#include "vf.h"
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#include "../libvo/fastmemcpy.h"
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#include "../postproc/rgb2rgb.h"
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#ifdef HAVE_MMX
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static void pack_MMX(unsigned char *dst, unsigned char *y,
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unsigned char *u, unsigned char *v, int w)
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{
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int j;
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asm (""
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"pxor %%mm0, %%mm0 \n\t"
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".balign 16 \n\t"
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"1: \n\t"
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"movq (%0), %%mm1 \n\t"
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"movq (%0), %%mm2 \n\t"
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"punpcklbw %%mm0, %%mm1 \n\t"
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"punpckhbw %%mm0, %%mm2 \n\t"
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"movq (%1), %%mm3 \n\t"
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"movq (%2), %%mm5 \n\t"
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"punpcklbw %%mm0, %%mm3 \n\t"
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"punpcklbw %%mm0, %%mm5 \n\t"
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"movq %%mm3, %%mm4 \n\t"
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"movq %%mm5, %%mm6 \n\t"
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"punpcklwd %%mm0, %%mm3 \n\t"
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"punpckhwd %%mm0, %%mm4 \n\t"
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"punpcklwd %%mm0, %%mm5 \n\t"
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"punpckhwd %%mm0, %%mm6 \n\t"
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"pslld $8, %%mm3 \n\t"
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"pslld $8, %%mm4 \n\t"
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"pslld $24, %%mm5 \n\t"
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"pslld $24, %%mm6 \n\t"
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"por %%mm3, %%mm1 \n\t"
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"por %%mm4, %%mm2 \n\t"
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"por %%mm5, %%mm1 \n\t"
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"por %%mm6, %%mm2 \n\t"
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"addl $8, %0 \n\t"
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"addl $4, %1 \n\t"
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"addl $4, %2 \n\t"
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"movq %%mm1, (%3) \n\t"
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"movq %%mm2, 8(%3) \n\t"
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"addl $16, %3 \n\t"
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"decl %4 \n\t"
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"jnz 1b \n\t"
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:
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: "r" (y), "r" (u), "r" (v), "r" (dst), "r" (w/8)
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: "memory"
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);
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for (j = (w&7)/2; j; j--) {
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*dst++ = *y++;
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*dst++ = *u++;
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*dst++ = *y++;
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*dst++ = *v++;
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}
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asm volatile ( "emms \n\t" ::: "memory" );
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}
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#endif
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static void pack_C(unsigned char *dst, unsigned char *y,
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unsigned char *u, unsigned char *v, int w)
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{
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int j;
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for (j = w/2; j; j--) {
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*dst++ = *y++;
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*dst++ = *u++;
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*dst++ = *y++;
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*dst++ = *v++;
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}
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}
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static void (*pack)(unsigned char *dst, unsigned char *y,
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unsigned char *u, unsigned char *v, int w);
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static void ilpack(unsigned char *dst, unsigned char *src[3],
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unsigned int dststride, unsigned int srcstride[3], int w, int h)
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{
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int i;
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unsigned char *y, *u, *v;
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y = src[0];
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u = src[1];
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v = src[2];
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for (i=0; i<h; i++) {
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pack(dst, y, u, v, w);
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y += srcstride[0];
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if ((i&3) == 1) {
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u -= srcstride[1];
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v -= srcstride[2];
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} else {
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u += srcstride[1];
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v += srcstride[2];
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}
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dst += dststride;
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}
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}
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static int put_image(struct vf_instance_s* vf, mp_image_t *mpi)
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{
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mp_image_t *dmpi;
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// hope we'll get DR buffer:
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dmpi=vf_get_image(vf->next, IMGFMT_YUY2,
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MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
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mpi->w, mpi->h);
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ilpack(dmpi->planes[0], mpi->planes, dmpi->stride[0], mpi->stride, mpi->w, mpi->h);
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return vf_next_put_image(vf,dmpi);
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}
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static int config(struct vf_instance_s* vf,
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int width, int height, int d_width, int d_height,
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unsigned int flags, unsigned int outfmt)
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{
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/* FIXME - also support UYVY output? */
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return vf_next_config(vf, width, height, d_width, d_height, flags, IMGFMT_YUY2);
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}
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static int query_format(struct vf_instance_s* vf, unsigned int fmt)
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{
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/* FIXME - really any YUV 4:2:0 input format should work */
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switch (fmt) {
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case IMGFMT_YV12:
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case IMGFMT_IYUV:
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case IMGFMT_I420:
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return vf_next_query_format(vf,IMGFMT_YUY2);
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}
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return 0;
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}
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static int open(vf_instance_t *vf, char* args)
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{
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vf->config=config;
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vf->query_format=query_format;
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vf->put_image=put_image;
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pack = pack_C;
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#ifdef HAVE_MMX
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if(gCpuCaps.hasMMX) pack = pack_MMX;
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#endif
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return 1;
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}
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vf_info_t vf_info_ilpack = {
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"4:2:0 planar -> 4:2:2 packed reinterlacer",
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"ilpack",
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"Richard Felker",
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"",
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open,
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NULL
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};
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