libmpcodecs/vf_yuy2.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <inttypes.h>
   5
   6 #include "config.h"
   7 #include "mp_msg.h"
   8 #include "help_mp.h"
   9
  10 #include "img_format.h"
  11 #include "mp_image.h"
  12 #include "vf.h"
  13
  14 #include "libvo/fastmemcpy.h"
  15 #include "postproc/rgb2rgb.h"
  16 #include "vf_scale.h"
  17
  18 //===========================================================================//
  19
  20 static int config(struct vf_instance_s* vf,
  21         int width, int height, int d_width, int d_height,
  22         unsigned int flags, unsigned int outfmt){
  23
  24     sws_rgb2rgb_init(get_sws_cpuflags());
  25
  26     if(vf_next_query_format(vf,IMGFMT_YUY2)<=0){
  27         mp_msg(MSGT_VFILTER, MSGL_WARN, MSGTR_MPCODECS_WarnNextFilterDoesntSupport, "YUY2");
  28         return 0;
  29     }
  30
  31     return vf_next_config(vf,width,height,d_width,d_height,flags,IMGFMT_YUY2);
  32 }
  33
  34 static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts){
  35     mp_image_t *dmpi;
  36
  37     // hope we'll get DR buffer:
  38     dmpi=vf_get_image(vf->next,IMGFMT_YUY2,
  39         MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
  40         mpi->w, mpi->h);
  41
  42     if(mpi->imgfmt==IMGFMT_422P)
  43     yuv422ptoyuy2(mpi->planes[0],mpi->planes[1],mpi->planes[2], dmpi->planes[0],
  44             mpi->w,mpi->h, mpi->stride[0],mpi->stride[1],dmpi->stride[0]);
  45     else
  46     yv12toyuy2(mpi->planes[0],mpi->planes[1],mpi->planes[2], dmpi->planes[0],
  47             mpi->w,mpi->h, mpi->stride[0],mpi->stride[1],dmpi->stride[0]);
  48
  49     vf_clone_mpi_attributes(dmpi, mpi);
  50
  51     return vf_next_put_image(vf,dmpi, pts);
  52 }
  53
  54 //===========================================================================//
  55
  56 static int query_format(struct vf_instance_s* vf, unsigned int fmt){
  57     switch(fmt){
  58     case IMGFMT_YV12:
  59     case IMGFMT_I420:
  60     case IMGFMT_IYUV:
  61     case IMGFMT_422P:
  62         return vf_next_query_format(vf,IMGFMT_YUY2) & (~VFCAP_CSP_SUPPORTED_BY_HW);
  63     }
  64     return 0;
  65 }
  66
  67 static int open(vf_instance_t *vf, char* args){
  68     vf->config=config;
  69     vf->put_image=put_image;
  70     vf->query_format=query_format;
  71     return 1;
  72 }
  73
  74 vf_info_t vf_info_yuy2 = {
  75     "fast YV12/Y422p -> YUY2 conversion",
  76     "yuy2",
  77     "A'rpi",
  78     "",
  79     open,
  80     NULL
  81 };
  82
  83 //===========================================================================//