src/gallium/drivers/radeon/radeon_video.h

   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
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  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 "../../winsys/radeon/drm/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         enum radeon_bo_domain           domain;
  47         struct pb_buffer*               buf;
  48         struct radeon_winsys_cs_handle* cs_handle;
  49 };
  50
  51 /* generate an stream handle */
  52 unsigned rvid_alloc_stream_handle(void);
  53
  54 /* create a buffer in the winsys */
  55 bool rvid_create_buffer(struct radeon_winsys *ws, struct rvid_buffer *buffer,
  56                         unsigned size, enum radeon_bo_domain domain);
  57
  58 /* destroy a buffer */
  59 void rvid_destroy_buffer(struct rvid_buffer *buffer);
  60
  61 /* reallocate a buffer, preserving its content */
  62 bool rvid_resize_buffer(struct radeon_winsys *ws, struct radeon_winsys_cs *cs,
  63                         struct rvid_buffer *new_buf, unsigned new_size);
  64
  65 /* clear the buffer with zeros */
  66 void rvid_clear_buffer(struct radeon_winsys *ws, struct radeon_winsys_cs *cs, struct rvid_buffer* buffer);
  67
  68 /* join surfaces into the same buffer with identical tiling params
  69    sumup their sizes and replace the backend buffers with a single bo */
  70 void rvid_join_surfaces(struct radeon_winsys* ws, unsigned bind,
  71                         struct pb_buffer** buffers[VL_NUM_COMPONENTS],
  72                         struct radeon_surface *surfaces[VL_NUM_COMPONENTS]);
  73
  74 /* returns supported codecs and other parameters */
  75 int rvid_get_video_param(struct pipe_screen *screen,
  76                          enum pipe_video_profile profile,
  77                          enum pipe_video_entrypoint entrypoint,
  78                          enum pipe_video_cap param);
  79
  80 /* the hardware only supports NV12 */
  81 boolean rvid_is_format_supported(struct pipe_screen *screen,
  82                                  enum pipe_format format,
  83                                  enum pipe_video_profile profile,
  84                                  enum pipe_video_entrypoint entrypoint);
  85
  86 #endif // RADEON_VIDEO_H