src/gallium/auxiliary/util/u_video.h

   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 VMWARE 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 U_VIDEO_H
  29 #define U_VIDEO_H
  30
  31 #ifdef __cplusplus
  32 extern "C" {
  33 #endif
  34
  35 #include "pipe/p_defines.h"
  36 #include "pipe/p_video_enums.h"
  37
  38 /* u_reduce_video_profile() needs these */
  39 #include "pipe/p_compiler.h"
  40 #include "util/u_debug.h"
  41 #include "util/u_math.h"
  42
  43 static inline enum pipe_video_format
  44 u_reduce_video_profile(enum pipe_video_profile profile)
  45 {
  46    switch (profile)
  47    {
  48       case PIPE_VIDEO_PROFILE_MPEG1:
  49       case PIPE_VIDEO_PROFILE_MPEG2_SIMPLE:
  50       case PIPE_VIDEO_PROFILE_MPEG2_MAIN:
  51          return PIPE_VIDEO_FORMAT_MPEG12;
  52
  53       case PIPE_VIDEO_PROFILE_MPEG4_SIMPLE:
  54       case PIPE_VIDEO_PROFILE_MPEG4_ADVANCED_SIMPLE:
  55          return PIPE_VIDEO_FORMAT_MPEG4;
  56
  57       case PIPE_VIDEO_PROFILE_VC1_SIMPLE:
  58       case PIPE_VIDEO_PROFILE_VC1_MAIN:
  59       case PIPE_VIDEO_PROFILE_VC1_ADVANCED:
  60          return PIPE_VIDEO_FORMAT_VC1;
  61
  62       case PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE:
  63       case PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN:
  64       case PIPE_VIDEO_PROFILE_MPEG4_AVC_EXTENDED:
  65       case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH:
  66       case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH10:
  67       case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH422:
  68       case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH444:
  69          return PIPE_VIDEO_FORMAT_MPEG4_AVC;
  70
  71       case PIPE_VIDEO_PROFILE_HEVC_MAIN:
  72       case PIPE_VIDEO_PROFILE_HEVC_MAIN_10:
  73       case PIPE_VIDEO_PROFILE_HEVC_MAIN_STILL:
  74       case PIPE_VIDEO_PROFILE_HEVC_MAIN_12:
  75       case PIPE_VIDEO_PROFILE_HEVC_MAIN_444:
  76          return PIPE_VIDEO_FORMAT_HEVC;
  77
  78       default:
  79          return PIPE_VIDEO_FORMAT_UNKNOWN;
  80    }
  81 }
  82
  83 static inline void
  84 u_copy_nv12_to_yv12(void *const *destination_data,
  85                     uint32_t const *destination_pitches,
  86                     int src_plane, int src_field,
  87                     int src_stride, int num_fields,
  88                     uint8_t const *src,
  89                     int width, int height)
  90 {
  91    int x, y;
  92    unsigned u_stride = destination_pitches[2] * num_fields;
  93    unsigned v_stride = destination_pitches[1] * num_fields;
  94    uint8_t *u_dst = (uint8_t *)destination_data[2] + destination_pitches[2] * src_field;
  95    uint8_t *v_dst = (uint8_t *)destination_data[1] + destination_pitches[1] * src_field;
  96
  97    /* TODO: SIMD */
  98    for (y = 0; y < height; y++) {
  99       for (x = 0; x < width; x++) {
 100          u_dst[x] = src[2*x];
 101          v_dst[x] = src[2*x+1];
 102       }
 103       u_dst += u_stride;
 104       v_dst += v_stride;
 105       src += src_stride;
 106    }
 107 }
 108
 109 static inline void
 110 u_copy_yv12_to_nv12(void *const *destination_data,
 111                     uint32_t const *destination_pitches,
 112                     int src_plane, int src_field,
 113                     int src_stride, int num_fields,
 114                     uint8_t const *src,
 115                     int width, int height)
 116 {
 117    int x, y;
 118    unsigned offset = 2 - src_plane;
 119    unsigned stride = destination_pitches[1] * num_fields;
 120    uint8_t *dst = (uint8_t *)destination_data[1] + destination_pitches[1] * src_field;
 121
 122    /* TODO: SIMD */
 123    for (y = 0; y < height; y++) {
 124       for (x = 0; x < 2 * width; x += 2) {
 125          dst[x+offset] = src[x>>1];
 126       }
 127       dst += stride;
 128       src += src_stride;
 129    }
 130 }
 131
 132 static inline void
 133 u_copy_swap422_packed(void *const *destination_data,
 134                        uint32_t const *destination_pitches,
 135                        int src_plane, int src_field,
 136                        int src_stride, int num_fields,
 137                        uint8_t const *src,
 138                        int width, int height)
 139 {
 140    int x, y;
 141    unsigned stride = destination_pitches[0] * num_fields;
 142    uint8_t *dst = (uint8_t *)destination_data[0] + destination_pitches[0] * src_field;
 143
 144    /* TODO: SIMD */
 145    for (y = 0; y < height; y++) {
 146       for (x = 0; x < 4 * width; x += 4) {
 147          dst[x+0] = src[x+1];
 148          dst[x+1] = src[x+0];
 149          dst[x+2] = src[x+3];
 150          dst[x+3] = src[x+2];
 151       }
 152       dst += stride;
 153       src += src_stride;
 154    }
 155 }
 156
 157 static inline uint32_t
 158 u_get_h264_level(uint32_t width, uint32_t height, uint32_t *max_reference)
 159 {
 160    uint32_t max_dpb_mbs;
 161
 162    width = align(width, 16);
 163    height = align(height, 16);
 164
 165    /* Max references will be used for caculation of number of DPB buffers
 166       in the UVD driver, limitation of max references is 16. Some client
 167       like mpv application for VA-API, it requires references more than that,
 168       so we have to set max of references to 16 here. */
 169    *max_reference = MIN2(*max_reference, 16);
 170    max_dpb_mbs = (width / 16) * (height / 16) * *max_reference;
 171
 172    /* The calculation is based on "Decoded picture buffering" section
 173       from http://en.wikipedia.org/wiki/H.264/MPEG-4_AVC */
 174    if (max_dpb_mbs <= 8100)
 175       return 30;
 176    else if (max_dpb_mbs <= 18000)
 177       return 31;
 178    else if (max_dpb_mbs <= 20480)
 179       return 32;
 180    else if (max_dpb_mbs <= 32768)
 181       return 41;
 182    else if (max_dpb_mbs <= 34816)
 183       return 42;
 184    else if (max_dpb_mbs <= 110400)
 185       return 50;
 186    else if (max_dpb_mbs <= 184320)
 187       return 51;
 188    else
 189       return 52;
 190 }
 191
 192 #ifdef __cplusplus
 193 }
 194 #endif
 195
 196 #endif /* U_VIDEO_H */