u_video.h revision b8e80941 
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
40extern "C" {
41#endif
42
43static inline enum pipe_video_format
44u_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
91static inline void
92u_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 */
133static inline void
134u_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
159static inline void
160u_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
182static inline void
183u_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
207static inline uint32_t
208u_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
242static inline uint32_t
243u_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 */
271