libmpcodecs/ve_raw.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4
   5 #include "config.h"
   6 #include "mp_msg.h"
   7 #include "help_mp.h"
   8
   9 #include "codec-cfg.h"
  10 #include "stream/stream.h"
  11 #include "libmpdemux/demuxer.h"
  12 #include "libmpdemux/stheader.h"
  13
  14 #include "stream/stream.h"
  15 #include "libmpdemux/muxer.h"
  16
  17 #include "img_format.h"
  18 #include "mp_image.h"
  19 #include "vf.h"
  20
  21
  22 //===========================================================================//
  23
  24 struct vf_priv_s {
  25     muxer_stream_t* mux;
  26 };
  27 #define mux_v (vf->priv->mux)
  28
  29 static int set_format(struct vf_instance_s *vf, unsigned int fmt) {
  30     if (!force_fourcc)
  31         mux_v->bih->biCompression = fmt;
  32
  33     mux_v->bih->biPlanes = 1;
  34     if (IMGFMT_IS_RGB(fmt)) {
  35         if (IMGFMT_RGB_DEPTH(fmt) < 8 && !(fmt&128))
  36             mux_v->bih->biBitCount = IMGFMT_RGB_DEPTH(fmt);
  37         else
  38             mux_v->bih->biBitCount = (IMGFMT_RGB_DEPTH(fmt)+7)&(~7);
  39         return 1;
  40     }
  41     if (IMGFMT_IS_BGR(fmt)) {
  42         if (IMGFMT_BGR_DEPTH(fmt) < 8 && !(fmt&128))
  43             mux_v->bih->biBitCount = IMGFMT_BGR_DEPTH(fmt);
  44         else
  45             mux_v->bih->biBitCount = (IMGFMT_BGR_DEPTH(fmt)+7)&(~7);
  46         return 1;
  47     }
  48     switch (fmt) {
  49     case IMGFMT_I420:
  50     case IMGFMT_IYUV:
  51     case IMGFMT_YV12:
  52     case IMGFMT_411P:
  53         mux_v->bih->biPlanes = 3;
  54         mux_v->bih->biBitCount = 12;
  55         break;
  56     case IMGFMT_444P:
  57         mux_v->bih->biPlanes = 3;
  58         mux_v->bih->biBitCount = 24;
  59         break;
  60     case IMGFMT_422P:
  61         mux_v->bih->biPlanes = 3;
  62         mux_v->bih->biBitCount = 16;
  63         break;
  64     case IMGFMT_IF09:
  65         mux_v->bih->biPlanes = 4;
  66     case IMGFMT_YVU9:
  67         mux_v->bih->biBitCount = 9;
  68         break;
  69     case IMGFMT_UYVY:
  70     case IMGFMT_YUY2:
  71         mux_v->bih->biBitCount = 16;
  72         break;
  73     case IMGFMT_Y8:
  74         mux_v->bih->biBitCount = 8;
  75         break;
  76     default:
  77         mp_msg(MSGT_MENCODER, MSGL_INFO, MSGTR_MPCODECS_OutputWithFourccNotSupported, fmt);
  78         mux_v->bih->biCompression = 0;
  79         return 0;
  80     }
  81     return 1;
  82 }
  83
  84
  85 static int config(struct vf_instance_s *vf,
  86         int width, int height, int d_width, int d_height,
  87         unsigned int flags, unsigned int outfmt)
  88 {
  89     int ret;
  90     mux_v->bih->biWidth = width;
  91     mux_v->bih->biHeight = height;
  92     mux_v->aspect = (float)d_width/d_height;
  93     ret = set_format(vf, outfmt);
  94     if (!ret) return 0;
  95
  96     mux_v->bih->biSizeImage = mux_v->bih->biWidth*mux_v->bih->biHeight*mux_v->bih->biBitCount/8;
  97     return 1;
  98 }
  99
 100 static int control(struct vf_instance_s *vf, int request, void *data) {
 101     return CONTROL_UNKNOWN;
 102 }
 103
 104 static int query_format(struct vf_instance_s *vf, unsigned int fmt) {
 105     if (IMGFMT_IS_RGB(fmt) || IMGFMT_IS_BGR(fmt))
 106         return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW;
 107     switch (fmt) {
 108     case IMGFMT_I420:
 109     case IMGFMT_IYUV:
 110     case IMGFMT_YV12:
 111     case IMGFMT_411P:
 112     case IMGFMT_444P:
 113     case IMGFMT_422P:
 114     case IMGFMT_UYVY:
 115     case IMGFMT_YUY2:
 116     case IMGFMT_YVU9:
 117     case IMGFMT_IF09:
 118     case IMGFMT_Y8:
 119         return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW;
 120     }
 121
 122     return 0;
 123 }
 124
 125 static int put_image(struct vf_instance_s *vf, mp_image_t *mpi, double pts) {
 126     mux_v->buffer = mpi->planes[0];
 127     muxer_write_chunk(mux_v, mpi->width*mpi->height*mux_v->bih->biBitCount/8, 0x10, pts, pts);
 128     return 1;
 129 }
 130
 131 //===========================================================================//
 132
 133 static int vf_open(vf_instance_t *vf, char* args){
 134     vf->config = config;
 135     vf->default_caps = VFCAP_CONSTANT;
 136     vf->control = control;
 137     vf->query_format = query_format;
 138     vf->put_image = put_image;
 139     vf->default_caps = 0;
 140     vf->priv = malloc(sizeof(struct vf_priv_s));
 141     memset(vf->priv, 0, sizeof(struct vf_priv_s));
 142     vf->priv->mux = (muxer_stream_t*)args;
 143
 144     mux_v->bih = calloc(1, sizeof(BITMAPINFOHEADER));
 145     mux_v->bih->biSize = sizeof(BITMAPINFOHEADER);
 146     mux_v->bih->biWidth = 0;
 147     mux_v->bih->biHeight = 0;
 148
 149     return 1;
 150 }
 151
 152 vf_info_t ve_info_raw = {
 153     "raw encoder",
 154     "raw",
 155     "jwe21@cam.ac.uk",
 156     "Based on rawrgb",
 157     vf_open
 158 };
 159
 160 //===========================================================================//