mirror of
https://github.com/mpv-player/mpv
synced 2024-12-29 10:32:15 +00:00
ff0d48a9b3
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7783 b3059339-0415-0410-9bf9-f77b7e298cf2
112 lines
3.3 KiB
C
112 lines
3.3 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include "config.h"
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#include "mp_msg.h"
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#include "vd_internal.h"
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static vd_info_t info = {
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"RAW Uncompressed Video",
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"raw",
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"A'rpi",
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"A'rpi & Alex",
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"uncompressed"
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};
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LIBVD_EXTERN(raw)
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// to set/get/query special features/parameters
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static int control(sh_video_t *sh,int cmd,void* arg,...){
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switch(cmd){
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case VDCTRL_QUERY_FORMAT:
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if( (*((int*)arg)) == (sh->bih ? sh->bih->biCompression : sh->format) ) return CONTROL_TRUE;
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return CONTROL_FALSE;
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}
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return CONTROL_UNKNOWN;
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}
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// init driver
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static int init(sh_video_t *sh){
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// set format fourcc for raw RGB:
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if(sh->bih && sh->bih->biCompression==0){ // set based on bit depth
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switch(sh->bih->biBitCount){
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case 1: sh->bih->biCompression=IMGFMT_BGR1; break;
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case 4: sh->bih->biCompression=IMGFMT_BGR4; break;
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case 8: sh->bih->biCompression=IMGFMT_BGR8; break;
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case 15: sh->bih->biCompression=IMGFMT_BGR15; break;
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// workaround bitcount==16 => bgr15 case for avi files:
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case 16: sh->bih->biCompression=(sh->format)?IMGFMT_BGR16:IMGFMT_BGR15; break;
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case 24: sh->bih->biCompression=IMGFMT_BGR24; break;
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case 32: sh->bih->biCompression=IMGFMT_BGR32; break;
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default:
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mp_msg(MSGT_DECVIDEO,MSGL_WARN,"RAW: depth %d not supported\n",sh->bih->biBitCount);
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}
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}
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return mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,sh->bih ? sh->bih->biCompression : sh->format);
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}
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// uninit driver
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static void uninit(sh_video_t *sh){
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}
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//mp_image_t* mpcodecs_get_image(sh_video_t *sh, int mp_imgtype, int mp_imgflag, int w, int h);
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// decode a frame
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static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
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mp_image_t* mpi;
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int frame_size;
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if(len<=0) return NULL; // skipped frame
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mpi=mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, 0,
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sh->disp_w, sh->disp_h);
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if(!mpi) return NULL;
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if(mpi->flags&MP_IMGFLAG_PLANAR){
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// TODO !!!
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mpi->planes[0]=data;
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mpi->stride[0]=mpi->width;
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frame_size=mpi->stride[0]*mpi->h;
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if(mpi->flags&MP_IMGFLAG_YUV) {
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// Support for some common Planar YUV formats
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/* YV12,I420,IYUV */
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int cb=2, cr=1;
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if(mpi->flags&MP_IMGFLAG_SWAPPED) {
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cb=1; cr=2;
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}
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mpi->planes[cb]=mpi->planes[0]+mpi->width*mpi->height;
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mpi->stride[cb]=mpi->chroma_width;
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mpi->planes[cr]=mpi->planes[cb]+mpi->chroma_width*mpi->chroma_height;
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mpi->stride[cr]=mpi->chroma_width;
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frame_size+=2*mpi->chroma_width*mpi->chroma_height;
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}
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} else {
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mpi->planes[0]=data;
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mpi->stride[0]=mpi->width*(mpi->bpp/8);
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// .AVI files has uncompressed lines 4-byte aligned:
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if(sh->format==0 || sh->format==3) mpi->stride[0]=(mpi->stride[0]+3)&(~3);
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if(mpi->imgfmt==IMGFMT_RGB8 || mpi->imgfmt==IMGFMT_BGR8){
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// export palette:
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mpi->planes[1]=sh->bih ? (unsigned char*)(sh->bih+1) : NULL;
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#if 0
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printf("Exporting palette: %p !!\n",mpi->planes[1]);
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{ unsigned char* p=mpi->planes[1];
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int i;
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for(i=0;i<64;i++) printf("%3d: %02X %02X %02X (%02X)\n",i,p[4*i],p[4*i+1],p[4*i+2],p[4*i+3]);
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}
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#endif
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}
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frame_size=mpi->stride[0]*mpi->h;
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if(mpi->bpp<8) frame_size=frame_size*mpi->bpp/8;
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}
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if(len<frame_size){
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mp_msg(MSGT_DECVIDEO,MSGL_WARN,"Frame too small! (%d<%d) Wrong format?\n",
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len,frame_size);
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return NULL;
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}
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return mpi;
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}
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