mirror of https://github.com/mpv-player/mpv
531 lines
15 KiB
C
531 lines
15 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/swscale.h"
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#include "m_option.h"
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#include "m_struct.h"
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static struct vf_priv_s {
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int w,h;
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int v_chr_drop;
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int param;
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unsigned int fmt;
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struct SwsContext *ctx;
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unsigned char* palette;
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mp_image_t *dmpi;
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} vf_priv_dflt = {
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-1,-1,
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0,
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0,
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0,
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NULL,
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NULL,
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NULL
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};
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extern int opt_screen_size_x;
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extern int opt_screen_size_y;
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//===========================================================================//
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void sws_getFlagsAndFilterFromCmdLine(int *flags, SwsFilter **srcFilterParam, SwsFilter **dstFilterParam);
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struct SwsContext *sws_getContextFromCmdLine(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat);
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static unsigned int outfmt_list[]={
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// RGB:
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IMGFMT_BGR32,
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IMGFMT_RGB32,
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IMGFMT_BGR24,
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IMGFMT_RGB24,
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IMGFMT_BGR16,
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IMGFMT_RGB16,
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IMGFMT_BGR15,
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IMGFMT_RGB15,
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IMGFMT_BGR8,
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IMGFMT_RGB8,
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IMGFMT_BGR4,
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IMGFMT_RGB4,
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IMGFMT_BG4B,
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IMGFMT_RG4B,
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IMGFMT_BGR1,
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IMGFMT_RGB1,
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// YUV:
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IMGFMT_444P,
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IMGFMT_422P,
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IMGFMT_YV12,
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IMGFMT_I420,
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IMGFMT_IYUV,
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IMGFMT_YVU9,
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IMGFMT_IF09,
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IMGFMT_411P,
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IMGFMT_Y800,
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IMGFMT_Y8,
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IMGFMT_YUY2,
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0
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};
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static unsigned int find_best_out(vf_instance_t *vf){
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unsigned int best=0;
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unsigned int* p=outfmt_list;
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// find the best outfmt:
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while(*p){
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int ret=vf_next_query_format(vf,*p);
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mp_msg(MSGT_VFILTER,MSGL_DBG2,"scale: query(%s) -> %d\n",vo_format_name(*p),ret&3);
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if(ret&VFCAP_CSP_SUPPORTED_BY_HW){ best=*p; break;} // no conversion -> bingo!
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if(ret&VFCAP_CSP_SUPPORTED && !best) best=*p; // best with conversion
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++p;
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}
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return best;
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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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unsigned int best=find_best_out(vf);
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int vo_flags;
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int int_sws_flags=0;
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SwsFilter *srcFilter, *dstFilter;
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if(!best){
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mp_msg(MSGT_VFILTER,MSGL_WARN,"SwScale: no supported outfmt found :(\n");
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return 0;
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}
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vo_flags=vf->next->query_format(vf->next,best);
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// scaling to dwidth*d_height, if all these TRUE:
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// - option -zoom
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// - no other sw/hw up/down scaling avail.
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// - we're after postproc
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// - user didn't set w:h
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if(!(vo_flags&VFCAP_POSTPROC) && (flags&4) &&
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vf->priv->w<0 && vf->priv->h<0){ // -zoom
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int x=(vo_flags&VFCAP_SWSCALE) ? 0 : 1;
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if(d_width<width || d_height<height){
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// downscale!
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if(vo_flags&VFCAP_HWSCALE_DOWN) x=0;
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} else {
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// upscale:
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if(vo_flags&VFCAP_HWSCALE_UP) x=0;
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}
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if(x){
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// user wants sw scaling! (-zoom)
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vf->priv->w=d_width;
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vf->priv->h=d_height;
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}
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}
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// calculate the missing parameters:
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switch(best) {
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case IMGFMT_YUY2: /* YUY2 needs w rounded to 2 */
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if(vf->priv->w==-3) vf->priv->w=(vf->priv->h*width/height+1)&~1; else
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if(vf->priv->w==-2) vf->priv->w=(vf->priv->h*d_width/d_height+1)&~1;
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if(vf->priv->w<0) vf->priv->w=width; else
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if(vf->priv->w==0) vf->priv->w=d_width;
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if(vf->priv->h==-3) vf->priv->h=vf->priv->w*height/width; else
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if(vf->priv->h==-2) vf->priv->h=vf->priv->w*d_height/d_width;
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break;
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case IMGFMT_YV12: /* YV12 needs w & h rounded to 2 */
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if(vf->priv->w==-3) vf->priv->w=(vf->priv->h*width/height+1)&~1; else
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if(vf->priv->w==-2) vf->priv->w=(vf->priv->h*d_width/d_height+1)&~1;
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if(vf->priv->w<0) vf->priv->w=width; else
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if(vf->priv->w==0) vf->priv->w=d_width;
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if(vf->priv->h==-3) vf->priv->h=(vf->priv->w*height/width+1)&~1; else
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if(vf->priv->h==-2) vf->priv->h=(vf->priv->w*d_height/d_width+1)&~1;
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break;
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default:
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if(vf->priv->w==-3) vf->priv->w=vf->priv->h*width/height; else
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if(vf->priv->w==-2) vf->priv->w=vf->priv->h*d_width/d_height;
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if(vf->priv->w<0) vf->priv->w=width; else
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if(vf->priv->w==0) vf->priv->w=d_width;
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if(vf->priv->h==-3) vf->priv->h=vf->priv->w*height/width; else
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if(vf->priv->h==-2) vf->priv->h=vf->priv->w*d_height/d_width;
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break;
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}
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if(vf->priv->h<0) vf->priv->h=height; else
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if(vf->priv->h==0) vf->priv->h=d_height;
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mp_msg(MSGT_VFILTER,MSGL_DBG2,"SwScale: scaling %dx%d %s to %dx%d %s \n",
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width,height,vo_format_name(outfmt),
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vf->priv->w,vf->priv->h,vo_format_name(best));
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// free old ctx:
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if(vf->priv->ctx) sws_freeContext(vf->priv->ctx);
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// new swscaler:
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sws_getFlagsAndFilterFromCmdLine(&int_sws_flags, &srcFilter, &dstFilter);
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int_sws_flags|= vf->priv->v_chr_drop << SWS_SRC_V_CHR_DROP_SHIFT;
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int_sws_flags|= vf->priv->param << SWS_PARAM_SHIFT;
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vf->priv->ctx=sws_getContext(width,height,
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outfmt,
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vf->priv->w,vf->priv->h,
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best,
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int_sws_flags | get_sws_cpuflags(), srcFilter, dstFilter);
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if(!vf->priv->ctx){
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// error...
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mp_msg(MSGT_VFILTER,MSGL_WARN,"Couldn't init SwScaler for this setup\n");
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return 0;
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}
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vf->priv->fmt=best;
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if(vf->priv->palette){
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free(vf->priv->palette);
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vf->priv->palette=NULL;
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}
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switch(best){
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case IMGFMT_BGR8: {
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/* set 332 palette for 8 bpp */
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int i;
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vf->priv->palette=malloc(4*256);
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for(i=0; i<256; i++){
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vf->priv->palette[4*i+0]=4*(i&3)*21;
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vf->priv->palette[4*i+1]=4*((i>>2)&7)*9;
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vf->priv->palette[4*i+2]=4*((i>>5)&7)*9;
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}
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break; }
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case IMGFMT_BGR4:
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case IMGFMT_BG4B: {
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int i;
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vf->priv->palette=malloc(4*16);
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for(i=0; i<16; i++){
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vf->priv->palette[4*i+0]=4*(i&1)*63;
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vf->priv->palette[4*i+1]=4*((i>>1)&3)*21;
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vf->priv->palette[4*i+2]=4*((i>>3)&1)*63;
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}
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break; }
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}
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if(!opt_screen_size_x && !opt_screen_size_y){
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// Compute new d_width and d_height, preserving aspect
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// while ensuring that both are >= output size in pixels.
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if (vf->priv->h * d_width > vf->priv->w * d_height) {
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d_width = vf->priv->h * d_width / d_height;
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d_height = vf->priv->h;
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} else {
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d_height = vf->priv->w * d_height / d_width;
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d_width = vf->priv->w;
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}
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//d_width=d_width*vf->priv->w/width;
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//d_height=d_height*vf->priv->h/height;
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}
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return vf_next_config(vf,vf->priv->w,vf->priv->h,d_width,d_height,flags,best);
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}
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static void start_slice(struct vf_instance_s* vf, mp_image_t *mpi){
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// printf("start_slice called! flag=%d\n",mpi->flags&MP_IMGFLAG_DRAW_CALLBACK);
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if(!(mpi->flags&MP_IMGFLAG_DRAW_CALLBACK)) return; // shouldn't happen
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// they want slices!!! allocate the buffer.
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mpi->priv=vf->priv->dmpi=vf_get_image(vf->next,vf->priv->fmt,
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// mpi->type, mpi->flags & (~MP_IMGFLAG_DRAW_CALLBACK),
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MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
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vf->priv->w, vf->priv->h);
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}
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static void draw_slice(struct vf_instance_s* vf,
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unsigned char** src, int* stride, int w,int h, int x, int y){
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mp_image_t *dmpi=vf->priv->dmpi;
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if(!dmpi){
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mp_msg(MSGT_VFILTER,MSGL_FATAL,"vf_scale: draw_slice() called with dmpi=NULL (no get_image??)\n");
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return;
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}
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// printf("vf_scale::draw_slice() y=%d h=%d\n",y,h);
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sws_scale_ordered(vf->priv->ctx,src,stride,y,h,dmpi->planes,dmpi->stride);
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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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mp_image_t *dmpi=mpi->priv;
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// printf("vf_scale::put_image(): processing whole frame! dmpi=%p flag=%d\n",
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// dmpi, (mpi->flags&MP_IMGFLAG_DRAW_CALLBACK));
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if(!(mpi->flags&MP_IMGFLAG_DRAW_CALLBACK && dmpi)){
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// hope we'll get DR buffer:
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dmpi=vf_get_image(vf->next,vf->priv->fmt,
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MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
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vf->priv->w, vf->priv->h);
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sws_scale_ordered(vf->priv->ctx,mpi->planes,mpi->stride,0,mpi->h,dmpi->planes,dmpi->stride);
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}
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if(vf->priv->w==mpi->w && vf->priv->h==mpi->h){
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// just conversion, no scaling -> keep postprocessing data
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// this way we can apply pp filter to non-yv12 source using scaler
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vf_clone_mpi_attributes(dmpi, mpi);
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}
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if(vf->priv->palette) dmpi->planes[1]=vf->priv->palette; // export palette!
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return vf_next_put_image(vf,dmpi);
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}
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static int control(struct vf_instance_s* vf, int request, void* data){
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int *table;
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int *inv_table;
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int r;
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int brightness, contrast, saturation, srcRange, dstRange;
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vf_equalizer_t *eq;
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switch(request){
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case VFCTRL_GET_EQUALIZER:
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r= sws_getColorspaceDetails(vf->priv->ctx, &inv_table, &srcRange, &table, &dstRange, &brightness, &contrast, &saturation);
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if(r<0) break;
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eq = data;
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if (!strcmp(eq->item,"brightness")) {
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eq->value = ((brightness*100) + (1<<15))>>16;
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}
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else if (!strcmp(eq->item,"contrast")) {
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eq->value = (((contrast *100) + (1<<15))>>16) - 100;
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}
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else if (!strcmp(eq->item,"saturation")) {
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eq->value = (((saturation*100) + (1<<15))>>16) - 100;
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}
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else
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break;
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return CONTROL_TRUE;
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case VFCTRL_SET_EQUALIZER:
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r= sws_getColorspaceDetails(vf->priv->ctx, &inv_table, &srcRange, &table, &dstRange, &brightness, &contrast, &saturation);
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if(r<0) break;
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//printf("set %f %f %f\n", brightness/(float)(1<<16), contrast/(float)(1<<16), saturation/(float)(1<<16));
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eq = data;
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if (!strcmp(eq->item,"brightness")) {
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brightness = (( eq->value <<16) + 50)/100;
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}
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else if (!strcmp(eq->item,"contrast")) {
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contrast = (((eq->value+100)<<16) + 50)/100;
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}
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else if (!strcmp(eq->item,"saturation")) {
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saturation = (((eq->value+100)<<16) + 50)/100;
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}
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else
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break;
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r= sws_setColorspaceDetails(vf->priv->ctx, inv_table, srcRange, table, dstRange, brightness, contrast, saturation);
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if(r<0) break;
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return CONTROL_TRUE;
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default:
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}
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return vf_next_control(vf,request,data);
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}
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//===========================================================================//
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// supported Input formats: YV12, I420, IYUV, YUY2, UYVY, BGR32, BGR24, BGR16, BGR15, RGB32, RGB24, Y8, Y800
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static int query_format(struct vf_instance_s* vf, unsigned int fmt){
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switch(fmt){
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case IMGFMT_YV12:
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case IMGFMT_I420:
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case IMGFMT_IYUV:
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case IMGFMT_UYVY:
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case IMGFMT_YUY2:
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case IMGFMT_BGR32:
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case IMGFMT_BGR24:
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case IMGFMT_BGR16:
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case IMGFMT_BGR15:
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case IMGFMT_RGB32:
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case IMGFMT_RGB24:
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case IMGFMT_Y800:
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case IMGFMT_Y8:
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case IMGFMT_YVU9:
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case IMGFMT_IF09:
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case IMGFMT_444P:
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case IMGFMT_422P:
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case IMGFMT_411P:
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{
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unsigned int best=find_best_out(vf);
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int flags;
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if(!best) return 0; // no matching out-fmt
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flags=vf_next_query_format(vf,best);
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if(!(flags&3)) return 0; // huh?
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if(fmt!=best) flags&=~VFCAP_CSP_SUPPORTED_BY_HW;
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// do not allow scaling, if we are before the PP fliter!
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if(!(flags&VFCAP_POSTPROC)) flags|=VFCAP_SWSCALE;
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return flags;
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}
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}
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return 0; // nomatching in-fmt
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}
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static int open(vf_instance_t *vf, char* args){
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vf->config=config;
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vf->start_slice=start_slice;
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vf->draw_slice=draw_slice;
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vf->put_image=put_image;
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vf->query_format=query_format;
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vf->control= control;
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if(!vf->priv) {
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vf->priv=malloc(sizeof(struct vf_priv_s));
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// TODO: parse args ->
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vf->priv->ctx=NULL;
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vf->priv->w=
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vf->priv->h=-1;
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vf->priv->v_chr_drop=0;
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vf->priv->param=0;
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vf->priv->palette=NULL;
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} // if(!vf->priv)
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if(args) sscanf(args, "%d:%d:%d:%d",
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&vf->priv->w,
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&vf->priv->h,
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&vf->priv->v_chr_drop,
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&vf->priv->param);
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mp_msg(MSGT_VFILTER,MSGL_V,"SwScale params: %d x %d (-1=no scaling)\n",
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vf->priv->w,
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vf->priv->h);
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return 1;
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}
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//global sws_flags from the command line
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int sws_flags=2;
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//global srcFilter
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static SwsFilter *src_filter= NULL;
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float sws_lum_gblur= 0.0;
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float sws_chr_gblur= 0.0;
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int sws_chr_vshift= 0;
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int sws_chr_hshift= 0;
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float sws_chr_sharpen= 0.0;
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float sws_lum_sharpen= 0.0;
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int get_sws_cpuflags(){
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return
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(gCpuCaps.hasMMX ? SWS_CPU_CAPS_MMX : 0)
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| (gCpuCaps.hasMMX2 ? SWS_CPU_CAPS_MMX2 : 0)
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| (gCpuCaps.has3DNow ? SWS_CPU_CAPS_3DNOW : 0);
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}
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void sws_getFlagsAndFilterFromCmdLine(int *flags, SwsFilter **srcFilterParam, SwsFilter **dstFilterParam)
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{
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static int firstTime=1;
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*flags=0;
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#ifdef ARCH_X86
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if(gCpuCaps.hasMMX)
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asm volatile("emms\n\t"::: "memory"); //FIXME this shouldnt be required but it IS (even for non mmx versions)
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#endif
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if(firstTime)
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{
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firstTime=0;
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*flags= SWS_PRINT_INFO;
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}
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else if(verbose>1) *flags= SWS_PRINT_INFO;
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if(src_filter) sws_freeFilter(src_filter);
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src_filter= sws_getDefaultFilter(
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sws_lum_gblur, sws_chr_gblur,
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sws_lum_sharpen, sws_chr_sharpen,
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sws_chr_vshift, sws_chr_hshift, verbose>1);
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switch(sws_flags)
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{
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case 0: *flags|= SWS_FAST_BILINEAR; break;
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case 1: *flags|= SWS_BILINEAR; break;
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case 2: *flags|= SWS_BICUBIC; break;
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case 3: *flags|= SWS_X; break;
|
|
case 4: *flags|= SWS_POINT; break;
|
|
case 5: *flags|= SWS_AREA; break;
|
|
case 6: *flags|= SWS_BICUBLIN; break;
|
|
case 7: *flags|= SWS_GAUSS; break;
|
|
case 8: *flags|= SWS_SINC; break;
|
|
case 9: *flags|= SWS_LANCZOS; break;
|
|
case 10:*flags|= SWS_SPLINE; break;
|
|
default:*flags|= SWS_BILINEAR; break;
|
|
}
|
|
|
|
*srcFilterParam= src_filter;
|
|
*dstFilterParam= NULL;
|
|
}
|
|
|
|
// will use sws_flags & src_filter (from cmd line)
|
|
struct SwsContext *sws_getContextFromCmdLine(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat)
|
|
{
|
|
int flags;
|
|
SwsFilter *dstFilterParam, *srcFilterParam;
|
|
sws_getFlagsAndFilterFromCmdLine(&flags, &srcFilterParam, &dstFilterParam);
|
|
|
|
return sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags | get_sws_cpuflags(), srcFilterParam, dstFilterParam);
|
|
}
|
|
|
|
/// An example of presets usage
|
|
static struct size_preset {
|
|
char* name;
|
|
int w, h;
|
|
} vf_size_presets_defs[] = {
|
|
// TODO add more 'standard' resolutions
|
|
{ "pal", 768, 576 },
|
|
{ NULL, 0, 0}
|
|
};
|
|
|
|
#define ST_OFF(f) M_ST_OFF(struct size_preset,f)
|
|
static m_option_t vf_size_preset_fields[] = {
|
|
{"w", ST_OFF(w), CONF_TYPE_INT, M_OPT_MIN,1 ,0, NULL},
|
|
{"h", ST_OFF(h), CONF_TYPE_INT, M_OPT_MIN,1 ,0, NULL},
|
|
{ NULL, NULL, 0, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static m_struct_t vf_size_preset = {
|
|
"scale_size_preset",
|
|
sizeof(struct size_preset),
|
|
NULL,
|
|
vf_size_preset_fields
|
|
};
|
|
|
|
static m_struct_t vf_opts;
|
|
static m_obj_presets_t size_preset = {
|
|
&vf_size_preset, // Input struct desc
|
|
&vf_opts, // Output struct desc
|
|
vf_size_presets_defs, // The list of presets
|
|
ST_OFF(name) // At wich offset is the name field in the preset struct
|
|
};
|
|
|
|
/// Now the options
|
|
#undef ST_OFF
|
|
#define ST_OFF(f) M_ST_OFF(struct vf_priv_s,f)
|
|
static m_option_t vf_opts_fields[] = {
|
|
{"w", ST_OFF(w), CONF_TYPE_INT, M_OPT_MIN,-3 ,0, NULL},
|
|
{"h", ST_OFF(h), CONF_TYPE_INT, M_OPT_MIN,-3 ,0, NULL},
|
|
{"chr-drop", ST_OFF(v_chr_drop), CONF_TYPE_INT, M_OPT_RANGE, 0, 3, NULL},
|
|
{"param", ST_OFF(param), CONF_TYPE_INT, M_OPT_RANGE, 0, 100, NULL},
|
|
// Note that here the 2 field is NULL (ie 0)
|
|
// As we want this option to act on the option struct itself
|
|
{"presize", 0, CONF_TYPE_OBJ_PRESETS, 0, 0, 0, &size_preset},
|
|
{ NULL, NULL, 0, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static m_struct_t vf_opts = {
|
|
"scale",
|
|
sizeof(struct vf_priv_s),
|
|
&vf_priv_dflt,
|
|
vf_opts_fields
|
|
};
|
|
|
|
vf_info_t vf_info_scale = {
|
|
"software scaling",
|
|
"scale",
|
|
"A'rpi",
|
|
"",
|
|
open,
|
|
&vf_opts
|
|
};
|
|
|
|
//===========================================================================//
|