2 * This file is part of MPlayer.
4 * MPlayer is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * MPlayer is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 #define _BSD_SOURCE //strcasecmp
29 #include "img_format.h"
34 #include "libswscale/swscale.h"
36 //===========================================================================//
38 // commented out 16 and 15 bit output support, because the conversion
39 // routines are incorrrect. they assume the palette to be of the same
40 // depth as the output, which is incorrect. --Joey
42 static const unsigned int bgr_list[]={
49 static const unsigned int rgb_list[]={
58 * Palette is assumed to contain BGR16, see rgb32to16 to convert the palette.
60 static void palette8torgb16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
63 for (i=0; i<num_pixels; i++)
64 ((uint16_t *)dst)[i] = ((const uint16_t *)palette)[src[i]];
67 static void palette8tobgr16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
70 for (i=0; i<num_pixels; i++)
71 ((uint16_t *)dst)[i] = bswap_16(((const uint16_t *)palette)[src[i]]);
74 static unsigned int gray_pal[256];
76 static unsigned int find_best(struct vf_instance *vf, unsigned int fmt){
79 const unsigned int* p;
80 if(fmt==IMGFMT_BGR8) p=bgr_list;
81 else if(fmt==IMGFMT_RGB8) p=rgb_list;
84 ret=vf->next->query_format(vf->next,*p);
85 mp_msg(MSGT_VFILTER,MSGL_DBG2,"[%s] query(%s) -> %d\n",vf->info->name,vo_format_name(*p),ret&3);
86 if(ret&VFCAP_CSP_SUPPORTED_BY_HW){ best=*p; break;} // no conversion -> bingo!
87 if(ret&VFCAP_CSP_SUPPORTED && !best) best=*p; // best with conversion
93 //===========================================================================//
100 static int config(struct vf_instance *vf,
101 int width, int height, int d_width, int d_height,
102 unsigned int flags, unsigned int outfmt){
104 vf->priv->fmt=find_best(vf,outfmt);
106 // no matching fmt, so force one...
107 if(outfmt==IMGFMT_RGB8) vf->priv->fmt=IMGFMT_RGB32;
108 else if(outfmt==IMGFMT_BGR8) vf->priv->fmt=IMGFMT_BGR32;
111 return vf_next_config(vf,width,height,d_width,d_height,flags,vf->priv->fmt);
114 static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
116 uint8_t *old_palette = mpi->planes[1];
118 // hope we'll get DR buffer:
119 dmpi=vf_get_image(vf->next,vf->priv->fmt,
120 MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
125 if(!vf->priv->pal_msg){
126 mp_msg(MSGT_VFILTER,MSGL_V,"[%s] no palette given, assuming builtin grayscale one\n",vf->info->name);
129 mpi->planes[1] = (unsigned char*)gray_pal;
132 if(mpi->w==mpi->stride[0] && dmpi->w*(dmpi->bpp>>3)==dmpi->stride[0]){
133 // no stride conversion needed
134 switch(IMGFMT_RGB_DEPTH(dmpi->imgfmt)){
137 if (IMGFMT_IS_BGR(dmpi->imgfmt))
138 palette8tobgr16(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
140 palette8torgb16(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
143 if (IMGFMT_IS_BGR(dmpi->imgfmt))
144 sws_convertPalette8ToPacked24(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
146 sws_convertPalette8ToPacked24(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
149 if (IMGFMT_IS_BGR(dmpi->imgfmt))
150 sws_convertPalette8ToPacked32(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
152 sws_convertPalette8ToPacked32(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
157 for(y=0;y<mpi->h;y++){
158 unsigned char* src=mpi->planes[0]+y*mpi->stride[0];
159 unsigned char* dst=dmpi->planes[0]+y*dmpi->stride[0];
160 switch(IMGFMT_RGB_DEPTH(dmpi->imgfmt)){
163 if (IMGFMT_IS_BGR(dmpi->imgfmt))
164 palette8tobgr16(src,dst,mpi->w,mpi->planes[1]);
166 palette8torgb16(src,dst,mpi->w,mpi->planes[1]);
169 if (IMGFMT_IS_BGR(dmpi->imgfmt))
170 sws_convertPalette8ToPacked24(src,dst,mpi->w,mpi->planes[1]);
172 sws_convertPalette8ToPacked24(src,dst,mpi->w,mpi->planes[1]);
175 if (IMGFMT_IS_BGR(dmpi->imgfmt))
176 sws_convertPalette8ToPacked32(src,dst,mpi->w,mpi->planes[1]);
178 sws_convertPalette8ToPacked32(src,dst,mpi->w,mpi->planes[1]);
183 mpi->planes[1] = old_palette;
185 return vf_next_put_image(vf,dmpi, pts);
188 //===========================================================================//
190 static int query_format(struct vf_instance *vf, unsigned int fmt){
191 int best=find_best(vf,fmt);
192 if(!best) return 0; // no match
193 return vf->next->query_format(vf->next,best);
196 static void uninit(vf_instance_t *vf) {
200 static int vf_open(vf_instance_t *vf, char *args){
204 vf->put_image=put_image;
205 vf->query_format=query_format;
206 vf->priv=malloc(sizeof(struct vf_priv_s));
207 memset(vf->priv, 0, sizeof(struct vf_priv_s));
208 for(i=0;i<256;i++) gray_pal[i]=0x01010101*i;
211 if (!strcasecmp(args,"rgb15")) vf->priv->fmt=IMGFMT_RGB15; else
212 if (!strcasecmp(args,"rgb16")) vf->priv->fmt=IMGFMT_RGB16; else
213 if (!strcasecmp(args,"rgb24")) vf->priv->fmt=IMGFMT_RGB24; else
214 if (!strcasecmp(args,"rgb32")) vf->priv->fmt=IMGFMT_RGB32; else
215 if (!strcasecmp(args,"bgr15")) vf->priv->fmt=IMGFMT_BGR15; else
216 if (!strcasecmp(args,"bgr16")) vf->priv->fmt=IMGFMT_BGR16; else
217 if (!strcasecmp(args,"bgr24")) vf->priv->fmt=IMGFMT_BGR24; else
218 if (!strcasecmp(args,"bgr32")) vf->priv->fmt=IMGFMT_BGR32; else
220 mp_msg(MSGT_VFILTER, MSGL_WARN, MSGTR_MPCODECS_UnknownFormatName, args);
227 const vf_info_t vf_info_palette = {
228 "8bpp indexed (using palette) -> BGR 15/16/24/32 conversion",
236 //===========================================================================//