checkasm: add VP9 loopfilter tests.
[ffmpeg.git] / tests / checkasm / h264pred.c
1 /*
2  * Copyright (c) 2015 Henrik Gramner
3  *
4  * This file is part of Libav.
5  *
6  * Libav is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * Libav is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License along
17  * with Libav; if not, write to the Free Software Foundation, Inc.,
18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19  */
20
21 #include <string.h>
22 #include "checkasm.h"
23 #include "libavcodec/avcodec.h"
24 #include "libavcodec/h264pred.h"
25 #include "libavutil/common.h"
26 #include "libavutil/internal.h"
27 #include "libavutil/intreadwrite.h"
28
29 static const int codec_ids[4] = { AV_CODEC_ID_H264, AV_CODEC_ID_VP8, AV_CODEC_ID_RV40, AV_CODEC_ID_SVQ3 };
30
31 static const char * const pred4x4_modes[4][15] = {
32     { /* H.264 */
33         [VERT_PRED           ] = "vertical",
34         [HOR_PRED            ] = "horizontal",
35         [DC_PRED             ] = "dc",
36         [DIAG_DOWN_LEFT_PRED ] = "down_left",
37         [DIAG_DOWN_RIGHT_PRED] = "down_right",
38         [VERT_RIGHT_PRED     ] = "vertical_right",
39         [HOR_DOWN_PRED       ] = "horizontal_right",
40         [VERT_LEFT_PRED      ] = "vertical_left",
41         [HOR_UP_PRED         ] = "horizontal_up",
42         [LEFT_DC_PRED        ] = "left_dc",
43         [TOP_DC_PRED         ] = "top_dc",
44         [DC_128_PRED         ] = "dc_128",
45     },
46     { /* VP8 */
47         [VERT_PRED     ] = "vertical_vp8",
48         [HOR_PRED      ] = "horizontal_vp8",
49         [VERT_LEFT_PRED] = "vertical_left_vp8",
50         [TM_VP8_PRED   ] = "tm_vp8",
51         [DC_127_PRED   ] = "dc_127_vp8",
52         [DC_129_PRED   ] = "dc_129_vp8",
53     },
54     { /* RV40 */
55         [DIAG_DOWN_LEFT_PRED            ] = "down_left_rv40",
56         [VERT_LEFT_PRED                 ] = "vertical_left_rv40",
57         [HOR_UP_PRED                    ] = "horizontal_up_rv40",
58         [DIAG_DOWN_LEFT_PRED_RV40_NODOWN] = "down_left_nodown_rv40",
59         [HOR_UP_PRED_RV40_NODOWN        ] = "horizontal_up_nodown_rv40",
60         [VERT_LEFT_PRED_RV40_NODOWN     ] = "vertical_left_nodown_rv40",
61     },
62     { /* SVQ3 */
63         [DIAG_DOWN_LEFT_PRED] = "down_left_svq3",
64     },
65 };
66
67 static const char * const pred8x8_modes[4][11] = {
68     { /* H.264 */
69         [DC_PRED8x8              ] = "dc",
70         [HOR_PRED8x8             ] = "horizontal",
71         [VERT_PRED8x8            ] = "vertical",
72         [PLANE_PRED8x8           ] = "plane",
73         [LEFT_DC_PRED8x8         ] = "left_dc",
74         [TOP_DC_PRED8x8          ] = "top_dc",
75         [DC_128_PRED8x8          ] = "dc_128",
76         [ALZHEIMER_DC_L0T_PRED8x8] = "mad_cow_dc_l0t",
77         [ALZHEIMER_DC_0LT_PRED8x8] = "mad_cow_dc_0lt",
78         [ALZHEIMER_DC_L00_PRED8x8] = "mad_cow_dc_l00",
79         [ALZHEIMER_DC_0L0_PRED8x8] = "mad_cow_dc_0l0",
80     },
81     { /* VP8 */
82         [PLANE_PRED8x8 ] = "tm_vp8",
83         [DC_127_PRED8x8] = "dc_127_vp8",
84         [DC_129_PRED8x8] = "dc_129_vp8",
85     },
86     { /* RV40 */
87         [DC_PRED8x8     ] = "dc_rv40",
88         [LEFT_DC_PRED8x8] = "left_dc_rv40",
89         [TOP_DC_PRED8x8 ] = "top_dc_rv40",
90     },
91     /* nothing for SVQ3 */
92 };
93
94 static const char * const pred16x16_modes[4][9] = {
95     { /* H.264 */
96         [DC_PRED8x8     ] = "dc",
97         [HOR_PRED8x8    ] = "horizontal",
98         [VERT_PRED8x8   ] = "vertical",
99         [PLANE_PRED8x8  ] = "plane",
100         [LEFT_DC_PRED8x8] = "left_dc",
101         [TOP_DC_PRED8x8 ] = "top_dc",
102         [DC_128_PRED8x8 ] = "dc_128",
103     },
104     { /* VP8 */
105         [PLANE_PRED8x8 ] = "tm_vp8",
106         [DC_127_PRED8x8] = "dc_127_vp8",
107         [DC_129_PRED8x8] = "dc_129_vp8",
108     },
109     { /* RV40 */
110         [PLANE_PRED8x8] = "plane_rv40",
111     },
112     { /* SVQ3 */
113         [PLANE_PRED8x8] = "plane_svq3",
114     },
115 };
116
117 static const uint32_t pixel_mask[3] = { 0xffffffff, 0x01ff01ff, 0x03ff03ff };
118
119 #define SIZEOF_PIXEL ((bit_depth + 7) / 8)
120 #define BUF_SIZE (3 * 16 * 17)
121
122 #define check_pred_func(func, name, mode_name)                                    \
123     (mode_name && ((codec_ids[codec] == AV_CODEC_ID_H264) ?                       \
124                    check_func(func, "pred%s_%s_%d", name, mode_name, bit_depth) : \
125                    check_func(func, "pred%s_%s", name, mode_name)))
126
127 #define randomize_buffers()                        \
128     do {                                           \
129         uint32_t mask = pixel_mask[bit_depth - 8]; \
130         int i;                                     \
131         for (i = 0; i < BUF_SIZE; i += 4) {        \
132             uint32_t r = rnd() & mask;             \
133             AV_WN32A(buf0 + i, r);                 \
134             AV_WN32A(buf1 + i, r);                 \
135         }                                          \
136     } while (0)
137
138 #define src0 (buf0 + 4 * 16) /* Offset to allow room for top and left */
139 #define src1 (buf1 + 4 * 16)
140
141 static void check_pred4x4(H264PredContext *h, uint8_t *buf0, uint8_t *buf1,
142                           int codec, int chroma_format, int bit_depth)
143 {
144     if (chroma_format == 1) {
145         uint8_t *topright = buf0 + 2*16;
146         int pred_mode;
147         declare_func_emms(AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMXEXT, void, uint8_t *src, const uint8_t *topright, ptrdiff_t stride);
148
149         for (pred_mode = 0; pred_mode < 15; pred_mode++) {
150             if (check_pred_func(h->pred4x4[pred_mode], "4x4", pred4x4_modes[codec][pred_mode])) {
151                 randomize_buffers();
152                 call_ref(src0, topright, 12*SIZEOF_PIXEL);
153                 call_new(src1, topright, 12*SIZEOF_PIXEL);
154                 if (memcmp(buf0, buf1, BUF_SIZE))
155                     fail();
156                 bench_new(src1, topright, 12*SIZEOF_PIXEL);
157             }
158         }
159     }
160 }
161
162 static void check_pred8x8(H264PredContext *h, uint8_t *buf0, uint8_t *buf1,
163                           int codec, int chroma_format, int bit_depth)
164 {
165     int pred_mode;
166     declare_func_emms(AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMXEXT, void, uint8_t *src, ptrdiff_t stride);
167
168     for (pred_mode = 0; pred_mode < 11; pred_mode++) {
169         if (check_pred_func(h->pred8x8[pred_mode], (chroma_format == 2) ? "8x16" : "8x8",
170                             pred8x8_modes[codec][pred_mode])) {
171             randomize_buffers();
172             call_ref(src0, 24*SIZEOF_PIXEL);
173             call_new(src1, 24*SIZEOF_PIXEL);
174             if (memcmp(buf0, buf1, BUF_SIZE))
175                 fail();
176             bench_new(src1, 24*SIZEOF_PIXEL);
177         }
178     }
179 }
180
181 static void check_pred16x16(H264PredContext *h, uint8_t *buf0, uint8_t *buf1,
182                             int codec, int chroma_format, int bit_depth)
183 {
184     if (chroma_format == 1) {
185         int pred_mode;
186         declare_func_emms(AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMXEXT, void, uint8_t *src, ptrdiff_t stride);
187
188         for (pred_mode = 0; pred_mode < 9; pred_mode++) {
189             if (check_pred_func(h->pred16x16[pred_mode], "16x16", pred16x16_modes[codec][pred_mode])) {
190                 randomize_buffers();
191                 call_ref(src0, 48);
192                 call_new(src1, 48);
193                 if (memcmp(buf0, buf1, BUF_SIZE))
194                     fail();
195                 bench_new(src1, 48);
196             }
197         }
198     }
199 }
200
201 static void check_pred8x8l(H264PredContext *h, uint8_t *buf0, uint8_t *buf1,
202                            int codec, int chroma_format, int bit_depth)
203 {
204     if (chroma_format == 1 && codec_ids[codec] == AV_CODEC_ID_H264) {
205         int pred_mode;
206         declare_func_emms(AV_CPU_FLAG_MMXEXT, void, uint8_t *src, int topleft, int topright, ptrdiff_t stride);
207
208         for (pred_mode = 0; pred_mode < 12; pred_mode++) {
209             if (check_pred_func(h->pred8x8l[pred_mode], "8x8l", pred4x4_modes[codec][pred_mode])) {
210                 int neighbors;
211                 for (neighbors = 0; neighbors <= 0xc000; neighbors += 0x4000) {
212                     int has_topleft  = neighbors & 0x8000;
213                     int has_topright = neighbors & 0x4000;
214
215                     if ((pred_mode == DIAG_DOWN_RIGHT_PRED || pred_mode == VERT_RIGHT_PRED) && !has_topleft)
216                         continue; /* Those aren't allowed according to the spec */
217
218                     randomize_buffers();
219                     call_ref(src0, has_topleft, has_topright, 24*SIZEOF_PIXEL);
220                     call_new(src1, has_topleft, has_topright, 24*SIZEOF_PIXEL);
221                     if (memcmp(buf0, buf1, BUF_SIZE))
222                         fail();
223                     bench_new(src1, has_topleft, has_topright, 24*SIZEOF_PIXEL);
224                 }
225             }
226         }
227     }
228 }
229
230 /* TODO: Add tests for H.264 lossless H/V prediction */
231
232 void checkasm_check_h264pred(void)
233 {
234     static const struct {
235         void (*func)(H264PredContext*, uint8_t*, uint8_t*, int, int, int);
236         const char *name;
237     } tests[] = {
238         { check_pred4x4,   "pred4x4"   },
239         { check_pred8x8,   "pred8x8"   },
240         { check_pred16x16, "pred16x16" },
241         { check_pred8x8l,  "pred8x8l"  },
242     };
243
244     LOCAL_ALIGNED_16(uint8_t, buf0, [BUF_SIZE]);
245     LOCAL_ALIGNED_16(uint8_t, buf1, [BUF_SIZE]);
246     H264PredContext h;
247     int test, codec, chroma_format, bit_depth;
248
249     for (test = 0; test < FF_ARRAY_ELEMS(tests); test++) {
250         for (codec = 0; codec < 4; codec++) {
251             int codec_id = codec_ids[codec];
252             for (bit_depth = 8; bit_depth <= (codec_id == AV_CODEC_ID_H264 ? 10 : 8); bit_depth++)
253                 for (chroma_format = 1; chroma_format <= (codec_id == AV_CODEC_ID_H264 ? 2 : 1); chroma_format++) {
254                     ff_h264_pred_init(&h, codec_id, bit_depth, chroma_format);
255                     tests[test].func(&h, buf0, buf1, codec, chroma_format, bit_depth);
256                 }
257         }
258         report("%s", tests[test].name);
259     }
260 }