33 static const uint8_t dv_audio_shuffle525[10][9] = {
34 { 0, 30, 60, 20, 50, 80, 10, 40, 70 },
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 },
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 },
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 },
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 },
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,
78 .time_base = { 1001, 30000 },
82 .sar = { { 8, 9 }, { 32, 27 } },
85 .block_sizes = block_sizes_dv2550,
87 .audio_min_samples = { 1580, 1452, 1053 },
88 .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 },
89 .audio_shuffle = dv_audio_shuffle525, },
95 .time_base = { 1, 25 },
99 .sar = { { 16, 15 }, { 64, 45 } },
102 .block_sizes = block_sizes_dv2550,
104 .audio_min_samples = { 1896, 1742, 1264 },
105 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
106 .audio_shuffle = dv_audio_shuffle625, },
109 .frame_size = 144000,
112 .time_base = { 1, 25 },
116 .sar = { { 16, 15 }, { 64, 45 } },
119 .block_sizes = block_sizes_dv2550,
121 .audio_min_samples = { 1896, 1742, 1264 },
122 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
123 .audio_shuffle = dv_audio_shuffle625, },
126 .frame_size = 240000,
129 .time_base = { 1001, 30000 },
133 .sar = { { 8, 9 }, { 32, 27 } },
136 .block_sizes = block_sizes_dv2550,
138 .audio_min_samples = { 1580, 1452, 1053 },
139 .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 },
140 .audio_shuffle = dv_audio_shuffle525, },
143 .frame_size = 288000,
146 .time_base = { 1, 25 },
150 .sar = { { 16, 15 }, { 64, 45 } },
153 .block_sizes = block_sizes_dv2550,
155 .audio_min_samples = { 1896, 1742, 1264 },
156 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
157 .audio_shuffle = dv_audio_shuffle625, },
160 .frame_size = 480000,
163 .time_base = { 1001, 30000 },
167 .sar = { { 1, 1 }, { 3, 2 } },
170 .block_sizes = block_sizes_dv100,
172 .audio_min_samples = { 1580, 1452, 1053 },
173 .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 },
174 .audio_shuffle = dv_audio_shuffle525, },
177 .frame_size = 576000,
180 .time_base = { 1, 25 },
184 .sar = { { 1, 1 }, { 4, 3 } },
187 .block_sizes = block_sizes_dv100,
189 .audio_min_samples = { 1896, 1742, 1264 },
190 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
191 .audio_shuffle = dv_audio_shuffle625, },
194 .frame_size = 240000,
197 .time_base = { 1001, 60000 },
201 .sar = { { 1, 1 }, { 4, 3 } },
204 .block_sizes = block_sizes_dv100,
206 .audio_min_samples = { 1580, 1452, 1053 },
207 .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 },
208 .audio_shuffle = dv_audio_shuffle525, },
211 .frame_size = 288000,
214 .time_base = { 1, 50 },
218 .sar = { { 1, 1 }, { 4, 3 } },
221 .block_sizes = block_sizes_dv100,
223 .audio_min_samples = { 1896, 1742, 1264 },
224 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
225 .audio_shuffle = dv_audio_shuffle625, },
228 .frame_size = 144000,
231 .time_base = { 1, 25 },
235 .sar = { { 16, 15 }, { 64, 45 } },
238 .block_sizes = block_sizes_dv2550,
240 .audio_min_samples = { 1896, 1742, 1264 },
241 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
242 .audio_shuffle = dv_audio_shuffle625, }
251 "Frame size: %dx%d; pixel format: %s, framerate: %d/%d\n",
260 const uint8_t *frame,
unsigned buf_size)
265 if (buf_size < 80 * 5 + 48 + 4)
268 dsf = (frame[3] & 0x80) >> 7;
269 stype = frame[80 * 5 + 48 + 3] & 0x1f;
272 if (dsf == 1 && stype == 0 && frame[4] & 0x07 )
273 return &dv_profiles[2];
276 if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype)
277 return &dv_profiles[i];
294 if (height == dv_profiles[i].height &&
295 pix_fmt == dv_profiles[i].pix_fmt &&
296 width == dv_profiles[i].width)
297 return &dv_profiles[i];
av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (%s)\, len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt), use_generic ? ac->func_descr_generic :ac->func_descr)
#define FF_ARRAY_ELEMS(a)
void ff_dv_print_profiles(void *logctx, int loglevel)
Print all allowed DV profiles into logctx at specified logging level.
enum AVPixelFormat pix_fmt
const AVDVProfile * av_dv_frame_profile(const AVDVProfile *sys, const uint8_t *frame, unsigned buf_size)
Get a DV profile for the provided compressed frame.
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
const AVDVProfile * av_dv_codec_profile(int width, int height, enum AVPixelFormat pix_fmt)
Get a DV profile for the provided stream parameters.
enum AVPixelFormat pix_fmt
Libavcodec external API header.
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
common internal and external API header
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
const char * av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
Return the short name for a pixel format, NULL in case pix_fmt is unknown.
AVPixelFormat
Pixel format.