src/gallium/drivers/nv40/nv40_video_context.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 Younes Manton.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include "nv40_video_context.h"
  29 #include "util/u_video.h"
  30 #include <vl/vl_mpeg12_context.h>
  31
  32 struct pipe_video_context *
  33 nv40_video_create(struct pipe_screen *screen, enum pipe_video_profile profile,
  34                   enum pipe_video_chroma_format chroma_format,
  35                   unsigned width, unsigned height, void *priv)
  36 {
  37    struct pipe_context *pipe;
  38
  39    assert(screen);
  40
  41    pipe = screen->context_create(screen, priv);
  42    if (!pipe)
  43       return NULL;
  44
  45    switch (u_reduce_video_profile(profile)) {
  46       case PIPE_VIDEO_CODEC_MPEG12:
  47          return vl_create_mpeg12_context(pipe, profile,
  48                                          chroma_format,
  49                                          width, height,
  50                                          true,
  51                                          PIPE_FORMAT_XYUV);
  52       default:
  53          return NULL;
  54    }
  55 }