radeon_video.h

/**************************************************************************
 *
 * Copyright 2013 Advanced Micro Devices, Inc.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
 * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 **************************************************************************/

#ifndef RADEON_VIDEO_H
#define RADEON_VIDEO_H

#include "radeon/radeon_winsys.h"
#include "vl/vl_video_buffer.h"

#define RVID_ERR(fmt, args...)                                                                     \
   fprintf(stderr, "EE %s:%d %s UVD - " fmt, __FILE__, __LINE__, __func__, ##args)

#define UVD_FW_1_66_16 ((1 << 24) | (66 << 16) | (16 << 8))

/* video buffer representation */
struct rvid_buffer {
   unsigned usage;
   struct si_resource *res;
};

/* generate an stream handle */
unsigned si_vid_alloc_stream_handle(void);

/* create a buffer in the winsys */
bool si_vid_create_buffer(struct pipe_screen *screen, struct rvid_buffer *buffer, unsigned size,
                          unsigned usage);

/* create a tmz buffer in the winsys */
bool si_vid_create_tmz_buffer(struct pipe_screen *screen, struct rvid_buffer *buffer, unsigned size,
                              unsigned usage);

/* destroy a buffer */
void si_vid_destroy_buffer(struct rvid_buffer *buffer);

/* reallocate a buffer, preserving its content */
bool si_vid_resize_buffer(struct pipe_screen *screen, struct radeon_cmdbuf *cs,
                          struct rvid_buffer *new_buf, unsigned new_size);

/* clear the buffer with zeros */
void si_vid_clear_buffer(struct pipe_context *context, struct rvid_buffer *buffer);

#endif // RADEON_VIDEO_H