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_yv12_img_to_nv12_surf(ubyte *const *src,
 177                              ubyte *dst,
 178                              unsigned width,
 179                              unsigned height,
 180                              unsigned src_stride,
 181                              unsigned dst_stride,
 182                              int field)
 183 {
 184    if (field == 0) {
 185       ubyte *src_0 = src[field];
 186       for (int i = 0; i < height ; i++) {
 187          memcpy(dst, src_0, width);
 188          dst += dst_stride;
 189          src_0 += src_stride;
 190       }
 191    } else if (field == 1) {
 192       const ubyte *src_1 = src[field];
 193       const ubyte *src_2 = src[field+1];
 194       bool odd = true;
 195       for (unsigned i = 0; i < height ; i++) {
 196          for (unsigned j = 0; j < width*2 ; j++) {
 197             if (odd == false) {
 198                dst[j] = src_1[j/2];
 199                odd = true;
 200             } else {
 201                dst[j] = src_2[j/2];
 202                odd = false;
 203             }
 204          }
 205          dst += dst_stride;
 206          src_1 += src_stride;
 207          src_2 += src_stride;
 208       }
 209    }
 210 }
 211
 212 static inline void
 213 u_copy_swap422_packed(void *const *destination_data,
 214                        uint32_t const *destination_pitches,
 215                        int src_plane, int src_field,
 216                        int src_stride, int num_fields,
 217                        uint8_t const *src,
 218                        int width, int height)
 219 {
 220    int x, y;
 221    unsigned stride = destination_pitches[0] * num_fields;
 222    uint8_t *dst = (uint8_t *)destination_data[0] + destination_pitches[0] * src_field;
 223
 224    /* TODO: SIMD */
 225    for (y = 0; y < height; y++) {
 226       for (x = 0; x < 4 * width; x += 4) {
 227          dst[x+0] = src[x+1];
 228          dst[x+1] = src[x+0];
 229          dst[x+2] = src[x+3];
 230          dst[x+3] = src[x+2];
 231       }
 232       dst += stride;
 233       src += src_stride;
 234    }
 235 }
 236
 237 static inline uint32_t
 238 u_get_h264_level(uint32_t width, uint32_t height, uint32_t *max_reference)
 239 {
 240    uint32_t max_dpb_mbs;
 241
 242    width = align(width, 16);
 243    height = align(height, 16);
 244
 245    /* Max references will be used for caculation of number of DPB buffers
 246       in the UVD driver, limitation of max references is 16. Some client
 247       like mpv application for VA-API, it requires references more than that,
 248       so we have to set max of references to 16 here. */
 249    *max_reference = MIN2(*max_reference, 16);
 250    max_dpb_mbs = (width / 16) * (height / 16) * *max_reference;
 251
 252    /* The calculation is based on "Decoded picture buffering" section
 253       from http://en.wikipedia.org/wiki/H.264/MPEG-4_AVC */
 254    if (max_dpb_mbs <= 8100)
 255       return 30;
 256    else if (max_dpb_mbs <= 18000)
 257       return 31;
 258    else if (max_dpb_mbs <= 20480)
 259       return 32;
 260    else if (max_dpb_mbs <= 32768)
 261       return 41;
 262    else if (max_dpb_mbs <= 34816)
 263       return 42;
 264    else if (max_dpb_mbs <= 110400)
 265       return 50;
 266    else if (max_dpb_mbs <= 184320)
 267       return 51;
 268    else
 269       return 52;
 270 }
 271
 272 #ifdef __cplusplus
 273 }
 274 #endif
 275
 276 #endif /* U_VIDEO_H */