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       case PIPE_VIDEO_PROFILE_JPEG_BASELINE:
  80          return PIPE_VIDEO_FORMAT_JPEG;
  81
  82       case PIPE_VIDEO_PROFILE_VP9_PROFILE0:
  83       case PIPE_VIDEO_PROFILE_VP9_PROFILE2:
  84          return PIPE_VIDEO_FORMAT_VP9;
  85
  86       default:
  87          return PIPE_VIDEO_FORMAT_UNKNOWN;
  88    }
  89 }
  90
  91 static inline void
  92 u_copy_nv12_to_yv12(void *const *destination_data,
  93                     uint32_t const *destination_pitches,
  94                     int src_plane, int src_field,
  95                     int src_stride, int num_fields,
  96                     uint8_t const *src,
  97                     int width, int height)
  98 {
  99    int x, y;
 100    unsigned u_stride = destination_pitches[2] * num_fields;
 101    unsigned v_stride = destination_pitches[1] * num_fields;
 102    uint8_t *u_dst = (uint8_t *)destination_data[2] + destination_pitches[2] * src_field;
 103    uint8_t *v_dst = (uint8_t *)destination_data[1] + destination_pitches[1] * src_field;
 104
 105    /* TODO: SIMD */
 106    for (y = 0; y < height; y++) {
 107       for (x = 0; x < width; x++) {
 108          u_dst[x] = src[2*x];
 109          v_dst[x] = src[2*x+1];
 110       }
 111       u_dst += u_stride;
 112       v_dst += v_stride;
 113       src += src_stride;
 114    }
 115 }
 116
 117 /**
 118  * \brief  Copy YV12 chroma data while converting it NV12
 119  *
 120  * Given a set of YV12 source pointers and -pitches, copy the data to a
 121  * layout typical for NV12 video buffers.
 122  *
 123  * \param source data[in]  The plane data pointers. Array of 3.
 124  * \param source_pitches[in]  The plane pitches. Array of 3.
 125  * \param dst_plane[in]  The destination plane to copy to. For NV12 always 1.
 126  * \param dst_field[in]  The destination field if interlaced.
 127  * \param dst_stride[in]  The destination stride for this plane.
 128  * \param num_fields[in]  The number of fields in the video buffer.
 129  * \param dst[in]  The destination plane pointer.
 130  * \param width[in]  The source plane width.
 131  * \param height[in]  The source plane height.
 132  */
 133 static inline void
 134 u_copy_nv12_from_yv12(const void *const *source_data,
 135                       uint32_t const *source_pitches,
 136                       int dst_plane, int dst_field,
 137                       int dst_stride, int num_fields,
 138                       uint8_t *dst,
 139                       int width, int height)
 140 {
 141    int x, y;
 142    unsigned u_stride = source_pitches[2] * num_fields;
 143    unsigned v_stride = source_pitches[1] * num_fields;
 144    uint8_t *u_src = (uint8_t *)source_data[2] + source_pitches[2] * dst_field;
 145    uint8_t *v_src = (uint8_t *)source_data[1] + source_pitches[1] * dst_field;
 146
 147    /* TODO: SIMD */
 148    for (y = 0; y < height; y++) {
 149       for (x = 0; x < width; x++) {
 150          dst[2*x] = u_src[x];
 151          dst[2*x+1] = v_src[x];
 152       }
 153       u_src += u_stride;
 154       v_src += v_stride;
 155       dst += dst_stride;
 156    }
 157 }
 158
 159 static inline void
 160 u_copy_yv12_to_nv12(void *const *destination_data,
 161                     uint32_t const *destination_pitches,
 162                     int src_plane, int src_field,
 163                     int src_stride, int num_fields,
 164                     uint8_t const *src,
 165                     int width, int height)
 166 {
 167    int x, y;
 168    unsigned offset = 2 - src_plane;
 169    unsigned stride = destination_pitches[1] * num_fields;
 170    uint8_t *dst = (uint8_t *)destination_data[1] + destination_pitches[1] * src_field;
 171
 172    /* TODO: SIMD */
 173    for (y = 0; y < height; y++) {
 174       for (x = 0; x < 2 * width; x += 2) {
 175          dst[x+offset] = src[x>>1];
 176       }
 177       dst += stride;
 178       src += src_stride;
 179    }
 180 }
 181
 182 static inline void
 183 u_copy_swap422_packed(void *const *destination_data,
 184                        uint32_t const *destination_pitches,
 185                        int src_plane, int src_field,
 186                        int src_stride, int num_fields,
 187                        uint8_t const *src,
 188                        int width, int height)
 189 {
 190    int x, y;
 191    unsigned stride = destination_pitches[0] * num_fields;
 192    uint8_t *dst = (uint8_t *)destination_data[0] + destination_pitches[0] * src_field;
 193
 194    /* TODO: SIMD */
 195    for (y = 0; y < height; y++) {
 196       for (x = 0; x < 4 * width; x += 4) {
 197          dst[x+0] = src[x+1];
 198          dst[x+1] = src[x+0];
 199          dst[x+2] = src[x+3];
 200          dst[x+3] = src[x+2];
 201       }
 202       dst += stride;
 203       src += src_stride;
 204    }
 205 }
 206
 207 static inline uint32_t
 208 u_get_h264_level(uint32_t width, uint32_t height, uint32_t *max_reference)
 209 {
 210    uint32_t max_dpb_mbs;
 211
 212    width = align(width, 16);
 213    height = align(height, 16);
 214
 215    /* Max references will be used for caculation of number of DPB buffers
 216       in the UVD driver, limitation of max references is 16. Some client
 217       like mpv application for VA-API, it requires references more than that,
 218       so we have to set max of references to 16 here. */
 219    *max_reference = MIN2(*max_reference, 16);
 220    max_dpb_mbs = (width / 16) * (height / 16) * *max_reference;
 221
 222    /* The calculation is based on "Decoded picture buffering" section
 223       from http://en.wikipedia.org/wiki/H.264/MPEG-4_AVC */
 224    if (max_dpb_mbs <= 8100)
 225       return 30;
 226    else if (max_dpb_mbs <= 18000)
 227       return 31;
 228    else if (max_dpb_mbs <= 20480)
 229       return 32;
 230    else if (max_dpb_mbs <= 32768)
 231       return 41;
 232    else if (max_dpb_mbs <= 34816)
 233       return 42;
 234    else if (max_dpb_mbs <= 110400)
 235       return 50;
 236    else if (max_dpb_mbs <= 184320)
 237       return 51;
 238    else
 239       return 52;
 240 }
 241
 242 static inline uint32_t
 243 u_get_h264_profile_idc(enum pipe_video_profile profile)
 244 {
 245    switch (profile) {
 246       case PIPE_VIDEO_PROFILE_MPEG4_AVC_CONSTRAINED_BASELINE:
 247       case PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE:
 248          return 66;
 249       case PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN:
 250          return 77;
 251       case PIPE_VIDEO_PROFILE_MPEG4_AVC_EXTENDED:
 252          return 88;
 253       case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH:
 254          return 100;
 255       case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH10:
 256          return 110;
 257       case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH422:
 258          return 122;
 259       case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH444:
 260          return 244;
 261       default:
 262          return 66; //use baseline profile instead
 263    }
 264 }
 265
 266 #ifdef __cplusplus
 267 }
 268 #endif
 269
 270 #endif /* U_VIDEO_H */