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      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 #ifndef xvmc_private_h
     29 #define xvmc_private_h
     30 
     31 #include <X11/Xlib.h>
     32 #include <X11/extensions/XvMClib.h>
     33 
     34 #include "pipe/p_video_state.h"
     35 
     36 #include "util/u_debug.h"
     37 #include "util/u_math.h"
     38 
     39 #include "vl/vl_csc.h"
     40 #include "vl/vl_compositor.h"
     41 
     42 #define BLOCK_SIZE_SAMPLES 64
     43 #define BLOCK_SIZE_BYTES (BLOCK_SIZE_SAMPLES * 2)
     44 
     45 struct pipe_video_decoder;
     46 struct pipe_video_buffer;
     47 
     48 struct pipe_sampler_view;
     49 struct pipe_fence_handle;
     50 
     51 typedef struct
     52 {
     53    struct vl_screen *vscreen;
     54    struct pipe_context *pipe;
     55    struct pipe_video_decoder *decoder;
     56 
     57    enum VL_CSC_COLOR_STANDARD color_standard;
     58    struct vl_procamp procamp;
     59    struct vl_compositor compositor;
     60    struct vl_compositor_state cstate;
     61 
     62    unsigned short subpicture_max_width;
     63    unsigned short subpicture_max_height;
     64 
     65 } XvMCContextPrivate;
     66 
     67 typedef struct
     68 {
     69    struct pipe_video_buffer *video_buffer;
     70 
     71    /* nonzero if this picture is already being decoded */
     72    int picture_structure;
     73 
     74    XvMCSurface *ref[2];
     75 
     76    struct pipe_fence_handle *fence;
     77 
     78    /* The subpicture associated with this surface, if any. */
     79    XvMCSubpicture *subpicture;
     80 
     81    /* Some XvMC functions take a surface but not a context,
     82       so we keep track of which context each surface belongs to. */
     83    XvMCContext *context;
     84 } XvMCSurfacePrivate;
     85 
     86 typedef struct
     87 {
     88    struct pipe_sampler_view *sampler;
     89 
     90    /* optional palette for this subpicture */
     91    struct pipe_sampler_view *palette;
     92 
     93    struct u_rect src_rect;
     94    struct u_rect dst_rect;
     95 
     96    /* The surface this subpicture is currently associated with, if any. */
     97    XvMCSurface *surface;
     98 
     99    /* Some XvMC functions take a subpicture but not a context,
    100       so we keep track of which context each subpicture belongs to. */
    101    XvMCContext *context;
    102 } XvMCSubpicturePrivate;
    103 
    104 #define XVMC_OUT   0
    105 #define XVMC_ERR   1
    106 #define XVMC_WARN  2
    107 #define XVMC_TRACE 3
    108 
    109 static INLINE void XVMC_MSG(unsigned int level, const char *fmt, ...)
    110 {
    111    static int debug_level = -1;
    112 
    113    if (debug_level == -1) {
    114       debug_level = MAX2(debug_get_num_option("XVMC_DEBUG", 0), 0);
    115    }
    116 
    117    if (level <= debug_level) {
    118       va_list ap;
    119       va_start(ap, fmt);
    120       _debug_vprintf(fmt, ap);
    121       va_end(ap);
    122    }
    123 }
    124 
    125 #endif /* xvmc_private_h */
    126