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
u_reduce_video_profile(enum pipe_video_profile profile)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       case PIPE_VIDEO_PROFILE_AV1_MAIN:
87          return PIPE_VIDEO_FORMAT_AV1;
88 
89       default:
90          return PIPE_VIDEO_FORMAT_UNKNOWN;
91    }
92 }
93 
94 static inline void
u_copy_nv12_to_yv12(void * const * destination_data,uint32_t const * destination_pitches,int src_plane,int src_field,int src_stride,int num_fields,uint8_t const * src,int width,int height)95 u_copy_nv12_to_yv12(void *const *destination_data,
96                     uint32_t const *destination_pitches,
97                     int src_plane, int src_field,
98                     int src_stride, int num_fields,
99                     uint8_t const *src,
100                     int width, int height)
101 {
102    int x, y;
103    unsigned u_stride = destination_pitches[2] * num_fields;
104    unsigned v_stride = destination_pitches[1] * num_fields;
105    uint8_t *u_dst = (uint8_t *)destination_data[2] + destination_pitches[2] * src_field;
106    uint8_t *v_dst = (uint8_t *)destination_data[1] + destination_pitches[1] * src_field;
107 
108    /* TODO: SIMD */
109    for (y = 0; y < height; y++) {
110       for (x = 0; x < width; x++) {
111          u_dst[x] = src[2*x];
112          v_dst[x] = src[2*x+1];
113       }
114       u_dst += u_stride;
115       v_dst += v_stride;
116       src += src_stride;
117    }
118 }
119 
120 /**
121  * \brief  Copy YV12 chroma data while converting it NV12
122  *
123  * Given a set of YV12 source pointers and -pitches, copy the data to a
124  * layout typical for NV12 video buffers.
125  *
126  * \param source data[in]  The plane data pointers. Array of 3.
127  * \param source_pitches[in]  The plane pitches. Array of 3.
128  * \param dst_plane[in]  The destination plane to copy to. For NV12 always 1.
129  * \param dst_field[in]  The destination field if interlaced.
130  * \param dst_stride[in]  The destination stride for this plane.
131  * \param num_fields[in]  The number of fields in the video buffer.
132  * \param dst[in]  The destination plane pointer.
133  * \param width[in]  The source plane width.
134  * \param height[in]  The source plane height.
135  */
136 static inline void
u_copy_nv12_from_yv12(const void * const * source_data,uint32_t const * source_pitches,int dst_plane,int dst_field,int dst_stride,int num_fields,uint8_t * dst,int width,int height)137 u_copy_nv12_from_yv12(const void *const *source_data,
138                       uint32_t const *source_pitches,
139                       int dst_plane, int dst_field,
140                       int dst_stride, int num_fields,
141                       uint8_t *dst,
142                       int width, int height)
143 {
144    int x, y;
145    unsigned u_stride = source_pitches[2] * num_fields;
146    unsigned v_stride = source_pitches[1] * num_fields;
147    uint8_t *u_src = (uint8_t *)source_data[2] + source_pitches[2] * dst_field;
148    uint8_t *v_src = (uint8_t *)source_data[1] + source_pitches[1] * dst_field;
149 
150    /* TODO: SIMD */
151    for (y = 0; y < height; y++) {
152       for (x = 0; x < width; x++) {
153          dst[2*x] = u_src[x];
154          dst[2*x+1] = v_src[x];
155       }
156       u_src += u_stride;
157       v_src += v_stride;
158       dst += dst_stride;
159    }
160 }
161 
162 static inline void
u_copy_yv12_to_nv12(void * const * destination_data,uint32_t const * destination_pitches,int src_plane,int src_field,int src_stride,int num_fields,uint8_t const * src,int width,int height)163 u_copy_yv12_to_nv12(void *const *destination_data,
164                     uint32_t const *destination_pitches,
165                     int src_plane, int src_field,
166                     int src_stride, int num_fields,
167                     uint8_t const *src,
168                     int width, int height)
169 {
170    int x, y;
171    unsigned offset = 2 - src_plane;
172    unsigned stride = destination_pitches[1] * num_fields;
173    uint8_t *dst = (uint8_t *)destination_data[1] + destination_pitches[1] * src_field;
174 
175    /* TODO: SIMD */
176    for (y = 0; y < height; y++) {
177       for (x = 0; x < 2 * width; x += 2) {
178          dst[x+offset] = src[x>>1];
179       }
180       dst += stride;
181       src += src_stride;
182    }
183 }
184 
185 static inline void
u_copy_swap422_packed(void * const * destination_data,uint32_t const * destination_pitches,int src_plane,int src_field,int src_stride,int num_fields,uint8_t const * src,int width,int height)186 u_copy_swap422_packed(void *const *destination_data,
187                        uint32_t const *destination_pitches,
188                        int src_plane, int src_field,
189                        int src_stride, int num_fields,
190                        uint8_t const *src,
191                        int width, int height)
192 {
193    int x, y;
194    unsigned stride = destination_pitches[0] * num_fields;
195    uint8_t *dst = (uint8_t *)destination_data[0] + destination_pitches[0] * src_field;
196 
197    /* TODO: SIMD */
198    for (y = 0; y < height; y++) {
199       for (x = 0; x < 4 * width; x += 4) {
200          dst[x+0] = src[x+1];
201          dst[x+1] = src[x+0];
202          dst[x+2] = src[x+3];
203          dst[x+3] = src[x+2];
204       }
205       dst += stride;
206       src += src_stride;
207    }
208 }
209 
210 static inline uint32_t
u_get_h264_level(uint32_t width,uint32_t height,uint32_t * max_reference)211 u_get_h264_level(uint32_t width, uint32_t height, uint32_t *max_reference)
212 {
213    uint32_t max_dpb_mbs;
214 
215    width = align(width, 16);
216    height = align(height, 16);
217 
218    /* Max references will be used for caculation of number of DPB buffers
219       in the UVD driver, limitation of max references is 16. Some client
220       like mpv application for VA-API, it requires references more than that,
221       so we have to set max of references to 16 here. */
222    *max_reference = MIN2(*max_reference, 16);
223    max_dpb_mbs = (width / 16) * (height / 16) * *max_reference;
224 
225    /* The calculation is based on "Decoded picture buffering" section
226       from http://en.wikipedia.org/wiki/H.264/MPEG-4_AVC */
227    if (max_dpb_mbs <= 8100)
228       return 30;
229    else if (max_dpb_mbs <= 18000)
230       return 31;
231    else if (max_dpb_mbs <= 20480)
232       return 32;
233    else if (max_dpb_mbs <= 32768)
234       return 41;
235    else if (max_dpb_mbs <= 34816)
236       return 42;
237    else if (max_dpb_mbs <= 110400)
238       return 50;
239    else if (max_dpb_mbs <= 184320)
240       return 51;
241    else
242       return 52;
243 }
244 
245 static inline uint32_t
u_get_h264_profile_idc(enum pipe_video_profile profile)246 u_get_h264_profile_idc(enum pipe_video_profile profile)
247 {
248    switch (profile) {
249       case PIPE_VIDEO_PROFILE_MPEG4_AVC_CONSTRAINED_BASELINE:
250       case PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE:
251          return 66;
252       case PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN:
253          return 77;
254       case PIPE_VIDEO_PROFILE_MPEG4_AVC_EXTENDED:
255          return 88;
256       case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH:
257          return 100;
258       case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH10:
259          return 110;
260       case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH422:
261          return 122;
262       case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH444:
263          return 244;
264       default:
265          return 66; //use baseline profile instead
266    }
267 }
268 
269 #ifdef __cplusplus
270 }
271 #endif
272 
273 #endif /* U_VIDEO_H */
274