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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 Knig <christian.koenig (at) 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,
     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