mirror of https://github.com/mpv-player/mpv
72 lines
1.8 KiB
C
72 lines
1.8 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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"Cinepak Video decoder",
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"cinepak",
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"A'rpi",
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"Dr. Tim Ferguson, http://www.csse.monash.edu.au/~timf/videocodec.html",
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"native codec"
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};
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LIBVD_EXTERN(cinepak)
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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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void *decode_cinepak_init(void);
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// init driver
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static int init(sh_video_t *sh){
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sh->context = decode_cinepak_init();
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return mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YUY2);
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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 decode_cinepak(void *context, unsigned char *buf, int size, unsigned char *frame, int width, int height, int bit_per_pixel, int stride_);
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void decode_cinepak(void *context, unsigned char *buf, int size, mp_image_t* mpi);
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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 | MP_IMGFLAG_ACCEPT_STRIDE,
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(sh->disp_w+3)&(~3),
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(sh->disp_h+3)&(~3));
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if(!mpi){ // temporary!
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printf("couldn't allocate image for cinepak codec\n");
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return NULL;
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}
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#if 0
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printf("mpi: %p/%d %p/%d %p/%d (%d) (%d) \n",
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mpi->planes[0], mpi->stride[0],
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mpi->planes[1], mpi->stride[1],
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mpi->planes[2], mpi->stride[2],
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mpi->planes[1]-mpi->planes[0],
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mpi->planes[2]-mpi->planes[1]);
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#endif
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// decode_cinepak(sh->context, data, len, mpi->planes[0], sh->disp_w, sh->disp_h,
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// (mpi->flags&MP_IMGFLAG_YUV)?16:(mpi->imgfmt&255), mpi->stride[0]);
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decode_cinepak(sh->context, data, len, mpi);
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return mpi;
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}
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