summaryrefslogtreecommitdiffstats
path: root/libmpcodecs/vf_palette.c
diff options
context:
space:
mode:
Diffstat (limited to 'libmpcodecs/vf_palette.c')
-rw-r--r--libmpcodecs/vf_palette.c234
1 files changed, 0 insertions, 234 deletions
diff --git a/libmpcodecs/vf_palette.c b/libmpcodecs/vf_palette.c
deleted file mode 100644
index 17670f3eb0..0000000000
--- a/libmpcodecs/vf_palette.c
+++ /dev/null
@@ -1,234 +0,0 @@
-/*
- * This file is part of MPlayer.
- *
- * MPlayer is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * MPlayer is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with MPlayer; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <inttypes.h>
-
-#include "config.h"
-#include "mp_msg.h"
-
-#include "img_format.h"
-#include "mp_image.h"
-#include "vf.h"
-#include "mpbswap.h"
-
-#include "libswscale/swscale.h"
-
-//===========================================================================//
-
-// commented out 16 and 15 bit output support, because the conversion
-// routines are incorrrect. they assume the palette to be of the same
-// depth as the output, which is incorrect. --Joey
-
-static const unsigned int bgr_list[]={
- IMGFMT_BGR32,
- IMGFMT_BGR24,
-// IMGFMT_BGR16,
-// IMGFMT_BGR15,
- 0
-};
-static const unsigned int rgb_list[]={
- IMGFMT_RGB32,
- IMGFMT_RGB24,
-// IMGFMT_RGB16,
-// IMGFMT_RGB15,
- 0
-};
-
-/**
- * Palette is assumed to contain BGR16, see rgb32to16 to convert the palette.
- */
-static void palette8torgb16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
-{
- long i;
- for (i=0; i<num_pixels; i++)
- ((uint16_t *)dst)[i] = ((const uint16_t *)palette)[src[i]];
-}
-
-static void palette8tobgr16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
-{
- long i;
- for (i=0; i<num_pixels; i++)
- ((uint16_t *)dst)[i] = bswap_16(((const uint16_t *)palette)[src[i]]);
-}
-
-static unsigned int gray_pal[256];
-
-static unsigned int find_best(struct vf_instance *vf, unsigned int fmt){
- unsigned int best=0;
- int ret;
- const unsigned int* p;
- if(fmt==IMGFMT_BGR8) p=bgr_list;
- else if(fmt==IMGFMT_RGB8) p=rgb_list;
- else return 0;
- while(*p){
- ret=vf->next->query_format(vf->next,*p);
- mp_msg(MSGT_VFILTER,MSGL_DBG2,"[%s] query(%s) -> %d\n",vf->info->name,vo_format_name(*p),ret&3);
- if(ret&VFCAP_CSP_SUPPORTED_BY_HW){ best=*p; break;} // no conversion -> bingo!
- if(ret&VFCAP_CSP_SUPPORTED && !best) best=*p; // best with conversion
- ++p;
- }
- return best;
-}
-
-//===========================================================================//
-
-struct vf_priv_s {
- unsigned int fmt;
- int pal_msg;
-};
-
-static int config(struct vf_instance *vf,
- int width, int height, int d_width, int d_height,
- unsigned int flags, unsigned int outfmt){
- if (!vf->priv->fmt)
- vf->priv->fmt=find_best(vf,outfmt);
- if(!vf->priv->fmt){
- // no matching fmt, so force one...
- if(outfmt==IMGFMT_RGB8) vf->priv->fmt=IMGFMT_RGB32;
- else if(outfmt==IMGFMT_BGR8) vf->priv->fmt=IMGFMT_BGR32;
- else return 0;
- }
- return vf_next_config(vf,width,height,d_width,d_height,flags,vf->priv->fmt);
-}
-
-static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
- mp_image_t *dmpi;
- uint8_t *old_palette = mpi->planes[1];
-
- // hope we'll get DR buffer:
- dmpi=vf_get_image(vf->next,vf->priv->fmt,
- MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
- mpi->w, mpi->h);
-
- if (!mpi->planes[1])
- {
- if(!vf->priv->pal_msg){
- mp_msg(MSGT_VFILTER,MSGL_V,"[%s] no palette given, assuming builtin grayscale one\n",vf->info->name);
- vf->priv->pal_msg=1;
- }
- mpi->planes[1] = (unsigned char*)gray_pal;
- }
-
- if(mpi->w==mpi->stride[0] && dmpi->w*(dmpi->bpp>>3)==dmpi->stride[0]){
- // no stride conversion needed
- switch(IMGFMT_RGB_DEPTH(dmpi->imgfmt)){
- case 15:
- case 16:
- if (IMGFMT_IS_BGR(dmpi->imgfmt))
- palette8tobgr16(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
- else
- palette8torgb16(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
- break;
- case 24:
- if (IMGFMT_IS_BGR(dmpi->imgfmt))
- sws_convertPalette8ToPacked24(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
- else
- sws_convertPalette8ToPacked24(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
- break;
- case 32:
- if (IMGFMT_IS_BGR(dmpi->imgfmt))
- sws_convertPalette8ToPacked32(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
- else
- sws_convertPalette8ToPacked32(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
- break;
- }
- } else {
- int y;
- for(y=0;y<mpi->h;y++){
- unsigned char* src=mpi->planes[0]+y*mpi->stride[0];
- unsigned char* dst=dmpi->planes[0]+y*dmpi->stride[0];
- switch(IMGFMT_RGB_DEPTH(dmpi->imgfmt)){
- case 15:
- case 16:
- if (IMGFMT_IS_BGR(dmpi->imgfmt))
- palette8tobgr16(src,dst,mpi->w,mpi->planes[1]);
- else
- palette8torgb16(src,dst,mpi->w,mpi->planes[1]);
- break;
- case 24:
- if (IMGFMT_IS_BGR(dmpi->imgfmt))
- sws_convertPalette8ToPacked24(src,dst,mpi->w,mpi->planes[1]);
- else
- sws_convertPalette8ToPacked24(src,dst,mpi->w,mpi->planes[1]);
- break;
- case 32:
- if (IMGFMT_IS_BGR(dmpi->imgfmt))
- sws_convertPalette8ToPacked32(src,dst,mpi->w,mpi->planes[1]);
- else
- sws_convertPalette8ToPacked32(src,dst,mpi->w,mpi->planes[1]);
- break;
- }
- }
- }
- mpi->planes[1] = old_palette;
-
- return vf_next_put_image(vf,dmpi, pts);
-}
-
-//===========================================================================//
-
-static int query_format(struct vf_instance *vf, unsigned int fmt){
- int best=find_best(vf,fmt);
- if(!best) return 0; // no match
- return vf->next->query_format(vf->next,best);
-}
-
-static void uninit(vf_instance_t *vf) {
- free(vf->priv);
-}
-
-static int vf_open(vf_instance_t *vf, char *args){
- unsigned int i;
- vf->config=config;
- vf->uninit=uninit;
- vf->put_image=put_image;
- vf->query_format=query_format;
- vf->priv=malloc(sizeof(struct vf_priv_s));
- memset(vf->priv, 0, sizeof(struct vf_priv_s));
- for(i=0;i<256;i++) gray_pal[i]=0x01010101*i;
- if (args)
- {
- if (!strcasecmp(args,"rgb15")) vf->priv->fmt=IMGFMT_RGB15; else
- if (!strcasecmp(args,"rgb16")) vf->priv->fmt=IMGFMT_RGB16; else
- if (!strcasecmp(args,"rgb24")) vf->priv->fmt=IMGFMT_RGB24; else
- if (!strcasecmp(args,"rgb32")) vf->priv->fmt=IMGFMT_RGB32; else
- if (!strcasecmp(args,"bgr15")) vf->priv->fmt=IMGFMT_BGR15; else
- if (!strcasecmp(args,"bgr16")) vf->priv->fmt=IMGFMT_BGR16; else
- if (!strcasecmp(args,"bgr24")) vf->priv->fmt=IMGFMT_BGR24; else
- if (!strcasecmp(args,"bgr32")) vf->priv->fmt=IMGFMT_BGR32; else
- {
- mp_tmsg(MSGT_VFILTER, MSGL_WARN, "[VF_FORMAT] Unknown format name: '%s'.\n", args);
- return 0;
- }
- }
- return 1;
-}
-
-const vf_info_t vf_info_palette = {
- "8bpp indexed (using palette) -> BGR 15/16/24/32 conversion",
- "palette",
- "A'rpi & Alex",
- "",
- vf_open,
- NULL
-};
-
-//===========================================================================//
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-23 18:12:01 +0000