mirror of https://github.com/mpv-player/mpv
75 lines
1.5 KiB
C
75 lines
1.5 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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"Microsoft Video 1 / CRAM decoder",
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"msvidc",
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"A'rpi",
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"Mike Melanson",
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"native codec"
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};
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LIBVD_EXTERN(msvidc)
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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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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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return mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_BGR24);
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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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void AVI_Decode_Video1_16(
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char *encoded,
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int encoded_size,
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char *decoded,
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int width,
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int height,
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int bytes_per_pixel);
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void AVI_Decode_Video1_8(
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char *encoded,
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int encoded_size,
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char *decoded,
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int width,
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int height,
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unsigned char *palette_map,
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int bytes_per_pixel);
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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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if(len<=0) return NULL; // skipped frame
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mpi=mpcodecs_get_image(sh, MP_IMGTYPE_STATIC, MP_IMGFLAG_PRESERVE,
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sh->disp_w, sh->disp_h);
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if(!mpi) return NULL;
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if (sh->bih->biBitCount == 16)
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AVI_Decode_Video1_16(
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data, len, mpi->planes[0],
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sh->disp_w, sh->disp_h,
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mpi->bpp/8);
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else
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AVI_Decode_Video1_8(
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data, len, mpi->planes[0],
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sh->disp_w, sh->disp_h,
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(unsigned char *)sh->bih+40,
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mpi->bpp/8);
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return mpi;
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}
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