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2ba45a60 DM |
1 | /* |
2 | * This file is part of FFmpeg. | |
3 | * | |
4 | * FFmpeg 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 | * FFmpeg 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 FFmpeg; if not, write to the Free Software | |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
17 | */ | |
18 | ||
19 | #include "config.h" | |
20 | ||
21 | #include <stdint.h> | |
22 | ||
23 | #include "libavutil/common.h" | |
24 | #include "libavutil/intreadwrite.h" | |
25 | #include "libavutil/log.h" | |
26 | #include "libavutil/pixdesc.h" | |
27 | ||
28 | #include "avcodec.h" | |
29 | #include "dv_profile.h" | |
30 | #include "dv_profile_internal.h" | |
31 | ||
32 | #if CONFIG_DVPROFILE | |
33 | ||
34 | static const uint8_t dv_audio_shuffle525[10][9] = { | |
35 | { 0, 30, 60, 20, 50, 80, 10, 40, 70 }, /* 1st channel */ | |
36 | { 6, 36, 66, 26, 56, 86, 16, 46, 76 }, | |
37 | { 12, 42, 72, 2, 32, 62, 22, 52, 82 }, | |
38 | { 18, 48, 78, 8, 38, 68, 28, 58, 88 }, | |
39 | { 24, 54, 84, 14, 44, 74, 4, 34, 64 }, | |
40 | ||
41 | { 1, 31, 61, 21, 51, 81, 11, 41, 71 }, /* 2nd channel */ | |
42 | { 7, 37, 67, 27, 57, 87, 17, 47, 77 }, | |
43 | { 13, 43, 73, 3, 33, 63, 23, 53, 83 }, | |
44 | { 19, 49, 79, 9, 39, 69, 29, 59, 89 }, | |
45 | { 25, 55, 85, 15, 45, 75, 5, 35, 65 }, | |
46 | }; | |
47 | ||
48 | static const uint8_t dv_audio_shuffle625[12][9] = { | |
49 | { 0, 36, 72, 26, 62, 98, 16, 52, 88 }, /* 1st channel */ | |
50 | { 6, 42, 78, 32, 68, 104, 22, 58, 94 }, | |
51 | { 12, 48, 84, 2, 38, 74, 28, 64, 100 }, | |
52 | { 18, 54, 90, 8, 44, 80, 34, 70, 106 }, | |
53 | { 24, 60, 96, 14, 50, 86, 4, 40, 76 }, | |
54 | { 30, 66, 102, 20, 56, 92, 10, 46, 82 }, | |
55 | ||
56 | { 1, 37, 73, 27, 63, 99, 17, 53, 89 }, /* 2nd channel */ | |
57 | { 7, 43, 79, 33, 69, 105, 23, 59, 95 }, | |
58 | { 13, 49, 85, 3, 39, 75, 29, 65, 101 }, | |
59 | { 19, 55, 91, 9, 45, 81, 35, 71, 107 }, | |
60 | { 25, 61, 97, 15, 51, 87, 5, 41, 77 }, | |
61 | { 31, 67, 103, 21, 57, 93, 11, 47, 83 }, | |
62 | }; | |
63 | ||
64 | /* macroblock bit budgets */ | |
65 | static const uint8_t block_sizes_dv2550[8] = { | |
66 | 112, 112, 112, 112, 80, 80, 0, 0, | |
67 | }; | |
68 | ||
69 | static const uint8_t block_sizes_dv100[8] = { | |
70 | 80, 80, 80, 80, 80, 80, 64, 64, | |
71 | }; | |
72 | ||
73 | static const AVDVProfile dv_profiles[] = { | |
74 | { .dsf = 0, | |
75 | .video_stype = 0x0, | |
76 | .frame_size = 120000, /* IEC 61834, SMPTE-314M - 525/60 (NTSC) */ | |
77 | .difseg_size = 10, | |
78 | .n_difchan = 1, | |
79 | .time_base = { 1001, 30000 }, | |
80 | .ltc_divisor = 30, | |
81 | .height = 480, | |
82 | .width = 720, | |
83 | .sar = { { 8, 9 }, { 32, 27 } }, | |
84 | .pix_fmt = AV_PIX_FMT_YUV411P, | |
85 | .bpm = 6, | |
86 | .block_sizes = block_sizes_dv2550, | |
87 | .audio_stride = 90, | |
88 | .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ | |
89 | .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ | |
90 | .audio_shuffle = dv_audio_shuffle525, }, | |
91 | { .dsf = 1, | |
92 | .video_stype = 0x0, | |
93 | .frame_size = 144000, /* IEC 61834 - 625/50 (PAL) */ | |
94 | .difseg_size = 12, | |
95 | .n_difchan = 1, | |
96 | .time_base = { 1, 25 }, | |
97 | .ltc_divisor = 25, | |
98 | .height = 576, | |
99 | .width = 720, | |
100 | .sar = { { 16, 15 }, { 64, 45 } }, | |
101 | .pix_fmt = AV_PIX_FMT_YUV420P, | |
102 | .bpm = 6, | |
103 | .block_sizes = block_sizes_dv2550, | |
104 | .audio_stride = 108, | |
105 | .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ | |
106 | .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, | |
107 | .audio_shuffle = dv_audio_shuffle625, }, | |
108 | { .dsf = 1, | |
109 | .video_stype = 0x0, | |
110 | .frame_size = 144000, /* SMPTE-314M - 625/50 (PAL) */ | |
111 | .difseg_size = 12, | |
112 | .n_difchan = 1, | |
113 | .time_base = { 1, 25 }, | |
114 | .ltc_divisor = 25, | |
115 | .height = 576, | |
116 | .width = 720, | |
117 | .sar = { { 16, 15 }, { 64, 45 } }, | |
118 | .pix_fmt = AV_PIX_FMT_YUV411P, | |
119 | .bpm = 6, | |
120 | .block_sizes = block_sizes_dv2550, | |
121 | .audio_stride = 108, | |
122 | .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ | |
123 | .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, | |
124 | .audio_shuffle = dv_audio_shuffle625, }, | |
125 | { .dsf = 0, | |
126 | .video_stype = 0x4, | |
127 | .frame_size = 240000, /* SMPTE-314M - 525/60 (NTSC) 50 Mbps */ | |
128 | .difseg_size = 10, /* also known as "DVCPRO50" */ | |
129 | .n_difchan = 2, | |
130 | .time_base = { 1001, 30000 }, | |
131 | .ltc_divisor = 30, | |
132 | .height = 480, | |
133 | .width = 720, | |
134 | .sar = { { 8, 9 }, { 32, 27 } }, | |
135 | .pix_fmt = AV_PIX_FMT_YUV422P, | |
136 | .bpm = 6, | |
137 | .block_sizes = block_sizes_dv2550, | |
138 | .audio_stride = 90, | |
139 | .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ | |
140 | .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ | |
141 | .audio_shuffle = dv_audio_shuffle525, }, | |
142 | { .dsf = 1, | |
143 | .video_stype = 0x4, | |
144 | .frame_size = 288000, /* SMPTE-314M - 625/50 (PAL) 50 Mbps */ | |
145 | .difseg_size = 12, /* also known as "DVCPRO50" */ | |
146 | .n_difchan = 2, | |
147 | .time_base = { 1, 25 }, | |
148 | .ltc_divisor = 25, | |
149 | .height = 576, | |
150 | .width = 720, | |
151 | .sar = { { 16, 15 }, { 64, 45 } }, | |
152 | .pix_fmt = AV_PIX_FMT_YUV422P, | |
153 | .bpm = 6, | |
154 | .block_sizes = block_sizes_dv2550, | |
155 | .audio_stride = 108, | |
156 | .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ | |
157 | .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, | |
158 | .audio_shuffle = dv_audio_shuffle625, }, | |
159 | { .dsf = 0, | |
160 | .video_stype = 0x14, | |
161 | .frame_size = 480000, /* SMPTE-370M - 1080i60 100 Mbps */ | |
162 | .difseg_size = 10, /* also known as "DVCPRO HD" */ | |
163 | .n_difchan = 4, | |
164 | .time_base = { 1001, 30000 }, | |
165 | .ltc_divisor = 30, | |
166 | .height = 1080, | |
167 | .width = 1280, | |
168 | .sar = { { 1, 1 }, { 3, 2 } }, | |
169 | .pix_fmt = AV_PIX_FMT_YUV422P, | |
170 | .bpm = 8, | |
171 | .block_sizes = block_sizes_dv100, | |
172 | .audio_stride = 90, | |
173 | .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */ | |
174 | .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */ | |
175 | .audio_shuffle = dv_audio_shuffle525, }, | |
176 | { .dsf = 1, | |
177 | .video_stype = 0x14, | |
178 | .frame_size = 576000, /* SMPTE-370M - 1080i50 100 Mbps */ | |
179 | .difseg_size = 12, /* also known as "DVCPRO HD" */ | |
180 | .n_difchan = 4, | |
181 | .time_base = { 1, 25 }, | |
182 | .ltc_divisor = 25, | |
183 | .height = 1080, | |
184 | .width = 1440, | |
185 | .sar = { { 1, 1 }, { 4, 3 } }, | |
186 | .pix_fmt = AV_PIX_FMT_YUV422P, | |
187 | .bpm = 8, | |
188 | .block_sizes = block_sizes_dv100, | |
189 | .audio_stride = 108, | |
190 | .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ | |
191 | .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, | |
192 | .audio_shuffle = dv_audio_shuffle625, }, | |
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 } }, | |
203 | .pix_fmt = AV_PIX_FMT_YUV422P, | |
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 | { .dsf = 1, | |
211 | .video_stype = 0x18, | |
212 | .frame_size = 288000, /* SMPTE-370M - 720p50 100 Mbps */ | |
213 | .difseg_size = 12, /* also known as "DVCPRO HD" */ | |
214 | .n_difchan = 2, | |
215 | .time_base = { 1, 50 }, | |
216 | .ltc_divisor = 50, | |
217 | .height = 720, | |
218 | .width = 960, | |
219 | .sar = { { 1, 1 }, { 4, 3 } }, | |
220 | .pix_fmt = AV_PIX_FMT_YUV422P, | |
221 | .bpm = 8, | |
222 | .block_sizes = block_sizes_dv100, | |
223 | .audio_stride = 90, | |
224 | .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ | |
225 | .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, | |
226 | .audio_shuffle = dv_audio_shuffle625, }, | |
227 | { .dsf = 1, | |
228 | .video_stype = 0x1, | |
229 | .frame_size = 144000, /* IEC 61883-5 - 625/50 (PAL) */ | |
230 | .difseg_size = 12, | |
231 | .n_difchan = 1, | |
232 | .time_base = { 1, 25 }, | |
233 | .ltc_divisor = 25, | |
234 | .height = 576, | |
235 | .width = 720, | |
236 | .sar = { { 16, 15 }, { 64, 45 } }, | |
237 | .pix_fmt = AV_PIX_FMT_YUV420P, | |
238 | .bpm = 6, | |
239 | .block_sizes = block_sizes_dv2550, | |
240 | .audio_stride = 108, | |
241 | .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */ | |
242 | .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 }, | |
243 | .audio_shuffle = dv_audio_shuffle625, } | |
244 | }; | |
245 | ||
246 | void ff_dv_print_profiles(void *logctx, int loglevel) | |
247 | { | |
248 | int i; | |
249 | for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) { | |
250 | const AVDVProfile *p = &dv_profiles[i]; | |
251 | av_log(logctx, loglevel, | |
252 | "Frame size: %dx%d; pixel format: %s, framerate: %d/%d\n", | |
253 | p->width, p->height, av_get_pix_fmt_name(p->pix_fmt), | |
254 | p->time_base.den, p->time_base.num); | |
255 | } | |
256 | } | |
257 | ||
258 | #endif /* CONFIG_DVPROFILE */ | |
259 | ||
f6fa7814 | 260 | const AVDVProfile* ff_dv_frame_profile(AVCodecContext* codec, const AVDVProfile *sys, |
2ba45a60 DM |
261 | const uint8_t *frame, unsigned buf_size) |
262 | { | |
263 | #if CONFIG_DVPROFILE | |
264 | int i, dsf, stype; | |
265 | ||
266 | if(buf_size < DV_PROFILE_BYTES) | |
267 | return NULL; | |
268 | ||
269 | dsf = (frame[3] & 0x80) >> 7; | |
270 | stype = frame[80 * 5 + 48 + 3] & 0x1f; | |
271 | ||
272 | /* 576i50 25Mbps 4:1:1 is a special case */ | |
273 | if ((dsf == 1 && stype == 0 && frame[4] & 0x07 /* the APT field */) || | |
274 | (stype == 31 && codec && codec->codec_tag==AV_RL32("SL25") && codec->coded_width==720 && codec->coded_height==576)) | |
275 | return &dv_profiles[2]; | |
276 | ||
277 | if( stype == 0 | |
278 | && codec | |
279 | && (codec->codec_tag==AV_RL32("dvsd") || codec->codec_tag==AV_RL32("CDVC")) | |
280 | && codec->coded_width ==720 | |
281 | && codec->coded_height==576) | |
282 | return &dv_profiles[1]; | |
283 | ||
284 | for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) | |
285 | if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype) | |
286 | return &dv_profiles[i]; | |
287 | ||
288 | /* check if old sys matches and assumes corrupted input */ | |
289 | if (sys && buf_size == sys->frame_size) | |
290 | return sys; | |
291 | ||
292 | /* hack for trac issue #217, dv files created with QuickTime 3 */ | |
293 | if ((frame[3] & 0x7f) == 0x3f && frame[80 * 5 + 48 + 3] == 0xff) | |
294 | return &dv_profiles[dsf]; | |
295 | #endif | |
296 | ||
297 | return NULL; | |
298 | } | |
299 | ||
f6fa7814 DM |
300 | #if FF_API_DV_FRAME_PROFILE |
301 | const AVDVProfile* avpriv_dv_frame_profile2(AVCodecContext* codec, const AVDVProfile *sys, | |
302 | const uint8_t *frame, unsigned buf_size) | |
303 | { | |
304 | return ff_dv_frame_profile(codec, sys, frame, buf_size); | |
305 | } | |
306 | #endif | |
307 | ||
2ba45a60 DM |
308 | const AVDVProfile *av_dv_frame_profile(const AVDVProfile *sys, |
309 | const uint8_t *frame, unsigned buf_size) | |
310 | { | |
f6fa7814 | 311 | return ff_dv_frame_profile(NULL, sys, frame, buf_size); |
2ba45a60 DM |
312 | } |
313 | ||
314 | const AVDVProfile *av_dv_codec_profile(int width, int height, | |
315 | enum AVPixelFormat pix_fmt) | |
316 | { | |
317 | #if CONFIG_DVPROFILE | |
318 | int i; | |
319 | ||
320 | for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) | |
321 | if (height == dv_profiles[i].height && | |
322 | pix_fmt == dv_profiles[i].pix_fmt && | |
323 | width == dv_profiles[i].width) | |
324 | return &dv_profiles[i]; | |
325 | #endif | |
326 | ||
327 | return NULL; | |
328 | } | |
329 |