| /* |
| * 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 <inttypes.h> |
| |
| #include "config.h" |
| #include "mp_msg.h" |
| #include "help_mp.h" |
| |
| #include "img_format.h" |
| #include "mp_image.h" |
| #include "vf.h" |
| #include "mpbswap.h" |
| |
| #include "libswscale/swscale.h" |
| |
| #include "libavutil/avstring.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 (!av_strcasecmp(args,"rgb15")) vf->priv->fmt=IMGFMT_RGB15; else |
| if (!av_strcasecmp(args,"rgb16")) vf->priv->fmt=IMGFMT_RGB16; else |
| if (!av_strcasecmp(args,"rgb24")) vf->priv->fmt=IMGFMT_RGB24; else |
| if (!av_strcasecmp(args,"rgb32")) vf->priv->fmt=IMGFMT_RGB32; else |
| if (!av_strcasecmp(args,"bgr15")) vf->priv->fmt=IMGFMT_BGR15; else |
| if (!av_strcasecmp(args,"bgr16")) vf->priv->fmt=IMGFMT_BGR16; else |
| if (!av_strcasecmp(args,"bgr24")) vf->priv->fmt=IMGFMT_BGR24; else |
| if (!av_strcasecmp(args,"bgr32")) vf->priv->fmt=IMGFMT_BGR32; else |
| { |
| mp_msg(MSGT_VFILTER, MSGL_WARN, MSGTR_MPCODECS_UnknownFormatName, 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 |
| }; |
| |
| //===========================================================================// |
