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 #include "pipe/p_defines.h"
  32 #include "pipe/p_video_enums.h"
  33
  34 /* u_reduce_video_profile() needs these */
  35 #include "pipe/p_compiler.h"
  36 #include "util/u_debug.h"
  37 #include "util/u_math.h"
  38
  39 #ifdef __cplusplus
  40 extern "C" {
  41 #endif
  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_CONSTRAINED_BASELINE:
  64       case PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN:
  65       case PIPE_VIDEO_PROFILE_MPEG4_AVC_EXTENDED:
  66       case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH:
  67       case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH10:
  68       case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH422:
  69       case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH444:
  70          return PIPE_VIDEO_FORMAT_MPEG4_AVC;
  71
  72       case PIPE_VIDEO_PROFILE_HEVC_MAIN:
  73       case PIPE_VIDEO_PROFILE_HEVC_MAIN_10:
  74       case PIPE_VIDEO_PROFILE_HEVC_MAIN_STILL:
  75       case PIPE_VIDEO_PROFILE_HEVC_MAIN_12:
  76       case PIPE_VIDEO_PROFILE_HEVC_MAIN_444:
  77          return PIPE_VIDEO_FORMAT_HEVC;
  78
  79       default:
  80          return PIPE_VIDEO_FORMAT_UNKNOWN;
  81    }
  82 }
  83
  84 static inline void
  85 u_copy_nv12_to_yv12(void *const *destination_data,
  86                     uint32_t const *destination_pitches,
  87                     int src_plane, int src_field,
  88                     int src_stride, int num_fields,
  89                     uint8_t const *src,
  90                     int width, int height)
  91 {
  92    int x, y;
  93    unsigned u_stride = destination_pitches[2] * num_fields;
  94    unsigned v_stride = destination_pitches[1] * num_fields;
  95    uint8_t *u_dst = (uint8_t *)destination_data[2] + destination_pitches[2] * src_field;
  96    uint8_t *v_dst = (uint8_t *)destination_data[1] + destination_pitches[1] * src_field;
  97
  98    /* TODO: SIMD */
  99    for (y = 0; y < height; y++) {
 100       for (x = 0; x < width; x++) {
 101          u_dst[x] = src[2*x];
 102          v_dst[x] = src[2*x+1];
 103       }
 104       u_dst += u_stride;
 105       v_dst += v_stride;
 106       src += src_stride;
 107    }
 108 }
 109
 110 /**
 111  * \brief  Copy YV12 chroma data while converting it NV12
 112  *
 113  * Given a set of YV12 source pointers and -pitches, copy the data to a
 114  * layout typical for NV12 video buffers.
 115  *
 116  * \param source data[in]  The plane data pointers. Array of 3.
 117  * \param source_pitches[in]  The plane pitches. Array of 3.
 118  * \param dst_plane[in]  The destination plane to copy to. For NV12 always 1.
 119  * \param dst_field[in]  The destination field if interlaced.
 120  * \param dst_stride[in]  The destination stride for this plane.
 121  * \param num_fields[in]  The number of fields in the video buffer.
 122  * \param dst[in]  The destination plane pointer.
 123  * \param width[in]  The source plane width.
 124  * \param height[in]  The source plane height.
 125  */
 126 static inline void
 127 u_copy_nv12_from_yv12(const void *const *source_data,
 128                       uint32_t const *source_pitches,
 129                       int dst_plane, int dst_field,
 130                       int dst_stride, int num_fields,
 131                       uint8_t *dst,
 132                       int width, int height)
 133 {
 134    int x, y;
 135    unsigned u_stride = source_pitches[2] * num_fields;
 136    unsigned v_stride = source_pitches[1] * num_fields;
 137    uint8_t *u_src = (uint8_t *)source_data[2] + source_pitches[2] * dst_field;
 138    uint8_t *v_src = (uint8_t *)source_data[1] + source_pitches[1] * dst_field;
 139
 140    /* TODO: SIMD */
 141    for (y = 0; y < height; y++) {
 142       for (x = 0; x < width; x++) {
 143          dst[2*x] = u_src[x];
 144          dst[2*x+1] = v_src[x];
 145       }
 146       u_src += u_stride;
 147       v_src += v_stride;
 148       dst += dst_stride;
 149    }
 150 }
 151
 152 static inline void
 153 u_copy_yv12_to_nv12(void *const *destination_data,
 154                     uint32_t const *destination_pitches,
 155                     int src_plane, int src_field,
 156                     int src_stride, int num_fields,
 157                     uint8_t const *src,
 158                     int width, int height)
 159 {
 160    int x, y;
 161    unsigned offset = 2 - src_plane;
 162    unsigned stride = destination_pitches[1] * num_fields;
 163    uint8_t *dst = (uint8_t *)destination_data[1] + destination_pitches[1] * src_field;
 164
 165    /* TODO: SIMD */
 166    for (y = 0; y < height; y++) {
 167       for (x = 0; x < 2 * width; x += 2) {
 168          dst[x+offset] = src[x>>1];
 169       }
 170       dst += stride;
 171       src += src_stride;
 172    }
 173 }
 174
 175 static inline void
 176 u_copy_swap422_packed(void *const *destination_data,
 177                        uint32_t const *destination_pitches,
 178                        int src_plane, int src_field,
 179                        int src_stride, int num_fields,
 180                        uint8_t const *src,
 181                        int width, int height)
 182 {
 183    int x, y;
 184    unsigned stride = destination_pitches[0] * num_fields;
 185    uint8_t *dst = (uint8_t *)destination_data[0] + destination_pitches[0] * src_field;
 186
 187    /* TODO: SIMD */
 188    for (y = 0; y < height; y++) {
 189       for (x = 0; x < 4 * width; x += 4) {
 190          dst[x+0] = src[x+1];
 191          dst[x+1] = src[x+0];
 192          dst[x+2] = src[x+3];
 193          dst[x+3] = src[x+2];
 194       }
 195       dst += stride;
 196       src += src_stride;
 197    }
 198 }
 199
 200 static inline uint32_t
 201 u_get_h264_level(uint32_t width, uint32_t height, uint32_t *max_reference)
 202 {
 203    uint32_t max_dpb_mbs;
 204
 205    width = align(width, 16);
 206    height = align(height, 16);
 207
 208    /* Max references will be used for caculation of number of DPB buffers
 209       in the UVD driver, limitation of max references is 16. Some client
 210       like mpv application for VA-API, it requires references more than that,
 211       so we have to set max of references to 16 here. */
 212    *max_reference = MIN2(*max_reference, 16);
 213    max_dpb_mbs = (width / 16) * (height / 16) * *max_reference;
 214
 215    /* The calculation is based on "Decoded picture buffering" section
 216       from http://en.wikipedia.org/wiki/H.264/MPEG-4_AVC */
 217    if (max_dpb_mbs <= 8100)
 218       return 30;
 219    else if (max_dpb_mbs <= 18000)
 220       return 31;
 221    else if (max_dpb_mbs <= 20480)
 222       return 32;
 223    else if (max_dpb_mbs <= 32768)
 224       return 41;
 225    else if (max_dpb_mbs <= 34816)
 226       return 42;
 227    else if (max_dpb_mbs <= 110400)
 228       return 50;
 229    else if (max_dpb_mbs <= 184320)
 230       return 51;
 231    else
 232       return 52;
 233 }
 234
 235 #ifdef __cplusplus
 236 }
 237 #endif
 238
 239 #endif /* U_VIDEO_H */