avconv: set the output stream timebase
[libav.git] / libavcodec / dv_profile.c
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1/*
2 * This file is part of Libav.
3 *
4 * Libav is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * Libav is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19#include <stdint.h>
20
1d9c2dc8 21#include "libavutil/common.h"
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22#include "libavutil/log.h"
23#include "libavutil/pixdesc.h"
24#include "avcodec.h"
25#include "dv_profile.h"
26
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27static const uint8_t dv_audio_shuffle525[10][9] = {
28 { 0, 30, 60, 20, 50, 80, 10, 40, 70 }, /* 1st channel */
29 { 6, 36, 66, 26, 56, 86, 16, 46, 76 },
30 { 12, 42, 72, 2, 32, 62, 22, 52, 82 },
31 { 18, 48, 78, 8, 38, 68, 28, 58, 88 },
32 { 24, 54, 84, 14, 44, 74, 4, 34, 64 },
33
34 { 1, 31, 61, 21, 51, 81, 11, 41, 71 }, /* 2nd channel */
35 { 7, 37, 67, 27, 57, 87, 17, 47, 77 },
36 { 13, 43, 73, 3, 33, 63, 23, 53, 83 },
37 { 19, 49, 79, 9, 39, 69, 29, 59, 89 },
38 { 25, 55, 85, 15, 45, 75, 5, 35, 65 },
39};
40
41static const uint8_t dv_audio_shuffle625[12][9] = {
42 { 0, 36, 72, 26, 62, 98, 16, 52, 88}, /* 1st channel */
43 { 6, 42, 78, 32, 68, 104, 22, 58, 94},
44 { 12, 48, 84, 2, 38, 74, 28, 64, 100},
45 { 18, 54, 90, 8, 44, 80, 34, 70, 106},
46 { 24, 60, 96, 14, 50, 86, 4, 40, 76},
47 { 30, 66, 102, 20, 56, 92, 10, 46, 82},
48
49 { 1, 37, 73, 27, 63, 99, 17, 53, 89}, /* 2nd channel */
50 { 7, 43, 79, 33, 69, 105, 23, 59, 95},
51 { 13, 49, 85, 3, 39, 75, 29, 65, 101},
52 { 19, 55, 91, 9, 45, 81, 35, 71, 107},
53 { 25, 61, 97, 15, 51, 87, 5, 41, 77},
54 { 31, 67, 103, 21, 57, 93, 11, 47, 83},
55};
56
57/* macroblock bit budgets */
58static const uint8_t block_sizes_dv2550[8] = {
59 112, 112, 112, 112, 80, 80, 0, 0,
60};
61
62static const uint8_t block_sizes_dv100[8] = {
63 80, 80, 80, 80, 80, 80, 64, 64,
64};
65
66static const DVprofile dv_profiles[] = {
67 { .dsf = 0,
68 .video_stype = 0x0,
69 .frame_size = 120000, /* IEC 61834, SMPTE-314M - 525/60 (NTSC) */
70 .difseg_size = 10,
71 .n_difchan = 1,
72 .time_base = { 1001, 30000 },
73 .ltc_divisor = 30,
74 .height = 480,
75 .width = 720,
76 .sar = {{8, 9}, {32, 27}},
716d413c 77 .pix_fmt = AV_PIX_FMT_YUV411P,
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78 .bpm = 6,
79 .block_sizes = block_sizes_dv2550,
80 .audio_stride = 90,
81 .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
82 .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */
83 .audio_shuffle = dv_audio_shuffle525,
84 },
85 { .dsf = 1,
86 .video_stype = 0x0,
87 .frame_size = 144000, /* IEC 61834 - 625/50 (PAL) */
88 .difseg_size = 12,
89 .n_difchan = 1,
90 .time_base = { 1, 25 },
91 .ltc_divisor = 25,
92 .height = 576,
93 .width = 720,
94 .sar = {{16, 15}, {64, 45}},
716d413c 95 .pix_fmt = AV_PIX_FMT_YUV420P,
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96 .bpm = 6,
97 .block_sizes = block_sizes_dv2550,
98 .audio_stride = 108,
99 .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
100 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
101 .audio_shuffle = dv_audio_shuffle625,
102 },
103 { .dsf = 1,
104 .video_stype = 0x0,
105 .frame_size = 144000, /* SMPTE-314M - 625/50 (PAL) */
106 .difseg_size = 12,
107 .n_difchan = 1,
108 .time_base = { 1, 25 },
109 .ltc_divisor = 25,
110 .height = 576,
111 .width = 720,
112 .sar = {{16, 15}, {64, 45}},
716d413c 113 .pix_fmt = AV_PIX_FMT_YUV411P,
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114 .bpm = 6,
115 .block_sizes = block_sizes_dv2550,
116 .audio_stride = 108,
117 .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
118 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
119 .audio_shuffle = dv_audio_shuffle625,
120 },
121 { .dsf = 0,
122 .video_stype = 0x4,
123 .frame_size = 240000, /* SMPTE-314M - 525/60 (NTSC) 50 Mbps */
124 .difseg_size = 10, /* also known as "DVCPRO50" */
125 .n_difchan = 2,
126 .time_base = { 1001, 30000 },
127 .ltc_divisor = 30,
128 .height = 480,
129 .width = 720,
130 .sar = {{8, 9}, {32, 27}},
716d413c 131 .pix_fmt = AV_PIX_FMT_YUV422P,
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132 .bpm = 6,
133 .block_sizes = block_sizes_dv2550,
134 .audio_stride = 90,
135 .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
136 .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */
137 .audio_shuffle = dv_audio_shuffle525,
138 },
139 { .dsf = 1,
140 .video_stype = 0x4,
141 .frame_size = 288000, /* SMPTE-314M - 625/50 (PAL) 50 Mbps */
142 .difseg_size = 12, /* also known as "DVCPRO50" */
143 .n_difchan = 2,
144 .time_base = { 1, 25 },
145 .ltc_divisor = 25,
146 .height = 576,
147 .width = 720,
148 .sar = {{16, 15}, {64, 45}},
716d413c 149 .pix_fmt = AV_PIX_FMT_YUV422P,
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150 .bpm = 6,
151 .block_sizes = block_sizes_dv2550,
152 .audio_stride = 108,
153 .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
154 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
155 .audio_shuffle = dv_audio_shuffle625,
156 },
157 { .dsf = 0,
158 .video_stype = 0x14,
159 .frame_size = 480000, /* SMPTE-370M - 1080i60 100 Mbps */
160 .difseg_size = 10, /* also known as "DVCPRO HD" */
161 .n_difchan = 4,
162 .time_base = { 1001, 30000 },
163 .ltc_divisor = 30,
164 .height = 1080,
165 .width = 1280,
166 .sar = {{1, 1}, {3, 2}},
716d413c 167 .pix_fmt = AV_PIX_FMT_YUV422P,
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168 .bpm = 8,
169 .block_sizes = block_sizes_dv100,
170 .audio_stride = 90,
171 .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
172 .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */
173 .audio_shuffle = dv_audio_shuffle525,
174 },
175 { .dsf = 1,
176 .video_stype = 0x14,
177 .frame_size = 576000, /* SMPTE-370M - 1080i50 100 Mbps */
178 .difseg_size = 12, /* also known as "DVCPRO HD" */
179 .n_difchan = 4,
180 .time_base = { 1, 25 },
181 .ltc_divisor = 25,
182 .height = 1080,
183 .width = 1440,
184 .sar = {{1, 1}, {4, 3}},
716d413c 185 .pix_fmt = AV_PIX_FMT_YUV422P,
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186 .bpm = 8,
187 .block_sizes = block_sizes_dv100,
188 .audio_stride = 108,
189 .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
190 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
191 .audio_shuffle = dv_audio_shuffle625,
192 },
193 { .dsf = 0,
194 .video_stype = 0x18,
195 .frame_size = 240000, /* SMPTE-370M - 720p60 100 Mbps */
196 .difseg_size = 10, /* also known as "DVCPRO HD" */
197 .n_difchan = 2,
198 .time_base = { 1001, 60000 },
199 .ltc_divisor = 60,
200 .height = 720,
201 .width = 960,
202 .sar = {{1, 1}, {4, 3}},
716d413c 203 .pix_fmt = AV_PIX_FMT_YUV422P,
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204 .bpm = 8,
205 .block_sizes = block_sizes_dv100,
206 .audio_stride = 90,
207 .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
208 .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */
209 .audio_shuffle = dv_audio_shuffle525,
210 },
211 { .dsf = 1,
212 .video_stype = 0x18,
213 .frame_size = 288000, /* SMPTE-370M - 720p50 100 Mbps */
214 .difseg_size = 12, /* also known as "DVCPRO HD" */
215 .n_difchan = 2,
216 .time_base = { 1, 50 },
217 .ltc_divisor = 50,
218 .height = 720,
219 .width = 960,
220 .sar = {{1, 1}, {4, 3}},
716d413c 221 .pix_fmt = AV_PIX_FMT_YUV422P,
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222 .bpm = 8,
223 .block_sizes = block_sizes_dv100,
224 .audio_stride = 90,
225 .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
226 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
227 .audio_shuffle = dv_audio_shuffle625,
228 },
229 { .dsf = 1,
230 .video_stype = 0x1,
231 .frame_size = 144000, /* IEC 61883-5 - 625/50 (PAL) */
232 .difseg_size = 12,
233 .n_difchan = 1,
234 .time_base = { 1, 25 },
235 .ltc_divisor = 25,
236 .height = 576,
237 .width = 720,
238 .sar = {{16, 15}, {64, 45}},
716d413c 239 .pix_fmt = AV_PIX_FMT_YUV420P,
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240 .bpm = 6,
241 .block_sizes = block_sizes_dv2550,
242 .audio_stride = 108,
243 .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
244 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
245 .audio_shuffle = dv_audio_shuffle625,
246 }
247};
248
249const DVprofile* avpriv_dv_frame_profile(const DVprofile *sys,
250 const uint8_t* frame, unsigned buf_size)
251{
252 int i, dsf, stype;
253
254 if (buf_size < 80 * 5 + 48 + 4)
255 return NULL;
256
257 dsf = (frame[3] & 0x80) >> 7;
258 stype = frame[80 * 5 + 48 + 3] & 0x1f;
259
260 /* 576i50 25Mbps 4:1:1 is a special case */
261 if (dsf == 1 && stype == 0 && frame[4] & 0x07 /* the APT field */) {
262 return &dv_profiles[2];
263 }
264
265 for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++)
266 if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype)
267 return &dv_profiles[i];
268
269 /* check if old sys matches and assumes corrupted input */
270 if (sys && buf_size == sys->frame_size)
271 return sys;
272
273 return NULL;
274}
275
276const DVprofile* avpriv_dv_codec_profile(AVCodecContext* codec)
277{
278 int i;
279
280 for (i=0; i<FF_ARRAY_ELEMS(dv_profiles); i++)
281 if (codec->height == dv_profiles[i].height &&
282 codec->pix_fmt == dv_profiles[i].pix_fmt &&
283 codec->width == dv_profiles[i].width)
284 return &dv_profiles[i];
285
286 return NULL;
287}
288
289void ff_dv_print_profiles(void *logctx, int loglevel)
290{
291 int i;
292 for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) {
293 const DVprofile *p = &dv_profiles[i];
294 av_log(logctx, loglevel, "Frame size: %dx%d; pixel format: %s, "
295 "framerate: %d/%d\n", p->width, p->height, av_get_pix_fmt_name(p->pix_fmt),
296 p->time_base.den, p->time_base.num);
297 }
298}