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
  42 static INLINE enum pipe_video_format
  43 u_reduce_video_profile(enum pipe_video_profile profile)
  44 {
  45    switch (profile)
  46    {
  47       case PIPE_VIDEO_PROFILE_MPEG1:
  48       case PIPE_VIDEO_PROFILE_MPEG2_SIMPLE:
  49       case PIPE_VIDEO_PROFILE_MPEG2_MAIN:
  50          return PIPE_VIDEO_FORMAT_MPEG12;
  51
  52       case PIPE_VIDEO_PROFILE_MPEG4_SIMPLE:
  53       case PIPE_VIDEO_PROFILE_MPEG4_ADVANCED_SIMPLE:
  54          return PIPE_VIDEO_FORMAT_MPEG4;
  55
  56       case PIPE_VIDEO_PROFILE_VC1_SIMPLE:
  57       case PIPE_VIDEO_PROFILE_VC1_MAIN:
  58       case PIPE_VIDEO_PROFILE_VC1_ADVANCED:
  59          return PIPE_VIDEO_FORMAT_VC1;
  60
  61       case PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE:
  62       case PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN:
  63       case PIPE_VIDEO_PROFILE_MPEG4_AVC_EXTENDED:
  64       case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH:
  65       case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH10:
  66       case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH422:
  67       case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH444:
  68          return PIPE_VIDEO_FORMAT_MPEG4_AVC;
  69
  70       default:
  71          return PIPE_VIDEO_FORMAT_UNKNOWN;
  72    }
  73 }
  74
  75 static INLINE void
  76 u_copy_nv12_to_yv12(void *const *destination_data,
  77                     uint32_t const *destination_pitches,
  78                     int src_plane, int src_field,
  79                     int src_stride, int num_fields,
  80                     uint8_t const *src,
  81                     int width, int height)
  82 {
  83    int x, y;
  84    unsigned u_stride = destination_pitches[2] * num_fields;
  85    unsigned v_stride = destination_pitches[1] * num_fields;
  86    uint8_t *u_dst = (uint8_t *)destination_data[2] + destination_pitches[2] * src_field;
  87    uint8_t *v_dst = (uint8_t *)destination_data[1] + destination_pitches[1] * src_field;
  88
  89    /* TODO: SIMD */
  90    for (y = 0; y < height; y++) {
  91       for (x = 0; x < width; x++) {
  92          u_dst[x] = src[2*x];
  93          v_dst[x] = src[2*x+1];
  94       }
  95       u_dst += u_stride;
  96       v_dst += v_stride;
  97       src += src_stride;
  98    }
  99 }
 100
 101 static INLINE void
 102 u_copy_yv12_to_nv12(void *const *destination_data,
 103                     uint32_t const *destination_pitches,
 104                     int src_plane, int src_field,
 105                     int src_stride, int num_fields,
 106                     uint8_t const *src,
 107                     int width, int height)
 108 {
 109    int x, y;
 110    unsigned offset = 2 - src_plane;
 111    unsigned stride = destination_pitches[1] * num_fields;
 112    uint8_t *dst = (uint8_t *)destination_data[1] + destination_pitches[1] * src_field;
 113
 114    /* TODO: SIMD */
 115    for (y = 0; y < height; y++) {
 116       for (x = 0; x < 2 * width; x += 2) {
 117          dst[x+offset] = src[x>>1];
 118       }
 119       dst += stride;
 120       src += src_stride;
 121    }
 122 }
 123
 124 static INLINE void
 125 u_copy_swap422_packed(void *const *destination_data,
 126                        uint32_t const *destination_pitches,
 127                        int src_plane, int src_field,
 128                        int src_stride, int num_fields,
 129                        uint8_t const *src,
 130                        int width, int height)
 131 {
 132    int x, y;
 133    unsigned stride = destination_pitches[0] * num_fields;
 134    uint8_t *dst = (uint8_t *)destination_data[0] + destination_pitches[0] * src_field;
 135
 136    /* TODO: SIMD */
 137    for (y = 0; y < height; y++) {
 138       for (x = 0; x < 4 * width; x += 4) {
 139          dst[x+0] = src[x+1];
 140          dst[x+1] = src[x+0];
 141          dst[x+2] = src[x+3];
 142          dst[x+3] = src[x+2];
 143       }
 144       dst += stride;
 145       src += src_stride;
 146    }
 147 }
 148
 149 #ifdef __cplusplus
 150 }
 151 #endif
 152
 153 #endif /* U_VIDEO_H */