2 * This file is part of FFmpeg.
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.
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.
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
23 #include "libavutil/common.h"
24 #include "libavutil/intreadwrite.h"
25 #include "libavutil/log.h"
26 #include "libavutil/pixdesc.h"
28 #include "dv_profile.h"
29 #include "dv_profile_internal.h"
33 static const uint8_t dv_audio_shuffle525[10][9] = {
34 { 0, 30, 60, 20, 50, 80, 10, 40, 70 }, /* 1st channel */
35 { 6, 36, 66, 26, 56, 86, 16, 46, 76 },
36 { 12, 42, 72, 2, 32, 62, 22, 52, 82 },
37 { 18, 48, 78, 8, 38, 68, 28, 58, 88 },
38 { 24, 54, 84, 14, 44, 74, 4, 34, 64 },
40 { 1, 31, 61, 21, 51, 81, 11, 41, 71 }, /* 2nd channel */
41 { 7, 37, 67, 27, 57, 87, 17, 47, 77 },
42 { 13, 43, 73, 3, 33, 63, 23, 53, 83 },
43 { 19, 49, 79, 9, 39, 69, 29, 59, 89 },
44 { 25, 55, 85, 15, 45, 75, 5, 35, 65 },
47 static const uint8_t dv_audio_shuffle625[12][9] = {
48 { 0, 36, 72, 26, 62, 98, 16, 52, 88}, /* 1st channel */
49 { 6, 42, 78, 32, 68, 104, 22, 58, 94},
50 { 12, 48, 84, 2, 38, 74, 28, 64, 100},
51 { 18, 54, 90, 8, 44, 80, 34, 70, 106},
52 { 24, 60, 96, 14, 50, 86, 4, 40, 76},
53 { 30, 66, 102, 20, 56, 92, 10, 46, 82},
55 { 1, 37, 73, 27, 63, 99, 17, 53, 89}, /* 2nd channel */
56 { 7, 43, 79, 33, 69, 105, 23, 59, 95},
57 { 13, 49, 85, 3, 39, 75, 29, 65, 101},
58 { 19, 55, 91, 9, 45, 81, 35, 71, 107},
59 { 25, 61, 97, 15, 51, 87, 5, 41, 77},
60 { 31, 67, 103, 21, 57, 93, 11, 47, 83},
63 /* macroblock bit budgets */
64 static const uint8_t block_sizes_dv2550[8] = {
65 112, 112, 112, 112, 80, 80, 0, 0,
68 static const uint8_t block_sizes_dv100[8] = {
69 80, 80, 80, 80, 80, 80, 64, 64,
72 static const AVDVProfile dv_profiles[] = {
75 .frame_size = 120000, /* IEC 61834, SMPTE-314M - 525/60 (NTSC) */
78 .time_base = { 1001, 30000 },
82 .sar = {{8, 9}, {32, 27}},
83 .pix_fmt = AV_PIX_FMT_YUV411P,
85 .block_sizes = block_sizes_dv2550,
87 .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
88 .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */
89 .audio_shuffle = dv_audio_shuffle525,
93 .frame_size = 144000, /* IEC 61834 - 625/50 (PAL) */
96 .time_base = { 1, 25 },
100 .sar = {{16, 15}, {64, 45}},
101 .pix_fmt = AV_PIX_FMT_YUV420P,
103 .block_sizes = block_sizes_dv2550,
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,
111 .frame_size = 144000, /* SMPTE-314M - 625/50 (PAL) */
114 .time_base = { 1, 25 },
118 .sar = {{16, 15}, {64, 45}},
119 .pix_fmt = AV_PIX_FMT_YUV411P,
121 .block_sizes = block_sizes_dv2550,
123 .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
124 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
125 .audio_shuffle = dv_audio_shuffle625,
129 .frame_size = 240000, /* SMPTE-314M - 525/60 (NTSC) 50 Mbps */
130 .difseg_size = 10, /* also known as "DVCPRO50" */
132 .time_base = { 1001, 30000 },
136 .sar = {{8, 9}, {32, 27}},
137 .pix_fmt = AV_PIX_FMT_YUV422P,
139 .block_sizes = block_sizes_dv2550,
141 .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
142 .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */
143 .audio_shuffle = dv_audio_shuffle525,
147 .frame_size = 288000, /* SMPTE-314M - 625/50 (PAL) 50 Mbps */
148 .difseg_size = 12, /* also known as "DVCPRO50" */
150 .time_base = { 1, 25 },
154 .sar = {{16, 15}, {64, 45}},
155 .pix_fmt = AV_PIX_FMT_YUV422P,
157 .block_sizes = block_sizes_dv2550,
159 .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
160 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
161 .audio_shuffle = dv_audio_shuffle625,
165 .frame_size = 480000, /* SMPTE-370M - 1080i60 100 Mbps */
166 .difseg_size = 10, /* also known as "DVCPRO HD" */
168 .time_base = { 1001, 30000 },
172 .sar = {{1, 1}, {3, 2}},
173 .pix_fmt = AV_PIX_FMT_YUV422P,
175 .block_sizes = block_sizes_dv100,
177 .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
178 .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */
179 .audio_shuffle = dv_audio_shuffle525,
183 .frame_size = 576000, /* SMPTE-370M - 1080i50 100 Mbps */
184 .difseg_size = 12, /* also known as "DVCPRO HD" */
186 .time_base = { 1, 25 },
190 .sar = {{1, 1}, {4, 3}},
191 .pix_fmt = AV_PIX_FMT_YUV422P,
193 .block_sizes = block_sizes_dv100,
195 .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
196 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
197 .audio_shuffle = dv_audio_shuffle625,
201 .frame_size = 240000, /* SMPTE-370M - 720p60 100 Mbps */
202 .difseg_size = 10, /* also known as "DVCPRO HD" */
204 .time_base = { 1001, 60000 },
208 .sar = {{1, 1}, {4, 3}},
209 .pix_fmt = AV_PIX_FMT_YUV422P,
211 .block_sizes = block_sizes_dv100,
213 .audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
214 .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */
215 .audio_shuffle = dv_audio_shuffle525,
219 .frame_size = 288000, /* SMPTE-370M - 720p50 100 Mbps */
220 .difseg_size = 12, /* also known as "DVCPRO HD" */
222 .time_base = { 1, 50 },
226 .sar = {{1, 1}, {4, 3}},
227 .pix_fmt = AV_PIX_FMT_YUV422P,
229 .block_sizes = block_sizes_dv100,
231 .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
232 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
233 .audio_shuffle = dv_audio_shuffle625,
237 .frame_size = 144000, /* IEC 61883-5 - 625/50 (PAL) */
240 .time_base = { 1, 25 },
244 .sar = {{16, 15}, {64, 45}},
245 .pix_fmt = AV_PIX_FMT_YUV420P,
247 .block_sizes = block_sizes_dv2550,
249 .audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
250 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
251 .audio_shuffle = dv_audio_shuffle625,
255 void ff_dv_print_profiles(void *logctx, int loglevel)
258 for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) {
259 const AVDVProfile *p = &dv_profiles[i];
260 av_log(logctx, loglevel, "Frame size: %dx%d; pixel format: %s, "
261 "framerate: %d/%d\n", p->width, p->height, av_get_pix_fmt_name(p->pix_fmt),
262 p->time_base.den, p->time_base.num);
266 #endif /* CONFIG_DVPROFILE */
268 const AVDVProfile* avpriv_dv_frame_profile2(AVCodecContext* codec, const AVDVProfile *sys,
269 const uint8_t* frame, unsigned buf_size)
274 if(buf_size < DV_PROFILE_BYTES)
277 dsf = (frame[3] & 0x80) >> 7;
278 stype = frame[80 * 5 + 48 + 3] & 0x1f;
280 /* 576i50 25Mbps 4:1:1 is a special case */
281 if ((dsf == 1 && stype == 0 && frame[4] & 0x07 /* the APT field */) ||
282 (stype == 31 && codec && codec->codec_tag==AV_RL32("SL25") && codec->coded_width==720 && codec->coded_height==576)) {
283 return &dv_profiles[2];
288 && (codec->codec_tag==AV_RL32("dvsd") || codec->codec_tag==AV_RL32("CDVC"))
289 && codec->coded_width ==720
290 && codec->coded_height==576)
291 return &dv_profiles[1];
293 for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++)
294 if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype)
295 return &dv_profiles[i];
297 /* check if old sys matches and assumes corrupted input */
298 if (sys && buf_size == sys->frame_size)
301 /* hack for trac issue #217, dv files created with QuickTime 3 */
302 if ((frame[3] & 0x7f) == 0x3f && frame[80 * 5 + 48 + 3] == 0xff)
303 return &dv_profiles[dsf];
309 const AVDVProfile *av_dv_frame_profile(const AVDVProfile *sys,
310 const uint8_t* frame, unsigned buf_size)
312 return avpriv_dv_frame_profile2(NULL, sys, frame, buf_size);
315 const AVDVProfile *av_dv_codec_profile(int width, int height,
316 enum AVPixelFormat pix_fmt)
321 for (i=0; i<FF_ARRAY_ELEMS(dv_profiles); i++)
322 if (height == dv_profiles[i].height &&
323 pix_fmt == dv_profiles[i].pix_fmt &&
324 width == dv_profiles[i].width)
325 return &dv_profiles[i];
331 #if LIBAVCODEC_VERSION_MAJOR < 56
332 const AVDVProfile *avpriv_dv_frame_profile(const AVDVProfile *sys,
333 const uint8_t* frame, unsigned buf_size)
335 return av_dv_frame_profile(sys, frame, buf_size);
338 const AVDVProfile *avpriv_dv_codec_profile(AVCodecContext *codec)
340 if (codec->coded_width || codec->coded_height) {
341 return av_dv_codec_profile(codec->coded_width, codec->coded_height, codec->pix_fmt);
343 return av_dv_codec_profile(codec->width, codec->height, codec->pix_fmt);