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  1. /**************************************************************************
  2.  *
  3.  * Copyright 2013 Advanced Micro Devices, Inc.
  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 THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. /*
  29.  * Authors:
  30.  *      Christian König <christian.koenig@amd.com>
  31.  *
  32.  */
  33.  
  34. #ifndef RADEON_VIDEO_H
  35. #define RADEON_VIDEO_H
  36.  
  37. #include "radeon/radeon_winsys.h"
  38. #include "vl/vl_video_buffer.h"
  39.  
  40. #define RVID_ERR(fmt, args...) \
  41.         fprintf(stderr, "EE %s:%d %s UVD - "fmt, __FILE__, __LINE__, __func__, ##args)
  42.  
  43. /* video buffer representation */
  44. struct rvid_buffer
  45. {
  46.         unsigned                usage;
  47.         struct r600_resource    *res;
  48. };
  49.  
  50. /* generate an stream handle */
  51. unsigned rvid_alloc_stream_handle(void);
  52.  
  53. /* create a buffer in the winsys */
  54. bool rvid_create_buffer(struct pipe_screen *screen, struct rvid_buffer *buffer,
  55.                         unsigned size, unsigned usage);
  56.  
  57. /* destroy a buffer */
  58. void rvid_destroy_buffer(struct rvid_buffer *buffer);
  59.  
  60. /* reallocate a buffer, preserving its content */
  61. bool rvid_resize_buffer(struct pipe_screen *screen, struct radeon_winsys_cs *cs,
  62.                         struct rvid_buffer *new_buf, unsigned new_size);
  63.  
  64. /* clear the buffer with zeros */
  65. void rvid_clear_buffer(struct pipe_context *context, struct rvid_buffer* buffer);
  66.  
  67. /* join surfaces into the same buffer with identical tiling params
  68.    sumup their sizes and replace the backend buffers with a single bo */
  69. void rvid_join_surfaces(struct radeon_winsys* ws, unsigned bind,
  70.                         struct pb_buffer** buffers[VL_NUM_COMPONENTS],
  71.                         struct radeon_surf *surfaces[VL_NUM_COMPONENTS]);
  72.  
  73. /* returns supported codecs and other parameters */
  74. int rvid_get_video_param(struct pipe_screen *screen,
  75.                          enum pipe_video_profile profile,
  76.                          enum pipe_video_entrypoint entrypoint,
  77.                          enum pipe_video_cap param);
  78.  
  79. /* the hardware only supports NV12 */
  80. boolean rvid_is_format_supported(struct pipe_screen *screen,
  81.                                  enum pipe_format format,
  82.                                  enum pipe_video_profile profile,
  83.                                  enum pipe_video_entrypoint entrypoint);
  84.  
  85. #endif // RADEON_VIDEO_H
  86.