32 static const uint8_t dv_audio_shuffle525[10][9] = {
33 { 0, 30, 60, 20, 50, 80, 10, 40, 70 },
34 { 6, 36, 66, 26, 56, 86, 16, 46, 76 },
35 { 12, 42, 72, 2, 32, 62, 22, 52, 82 },
36 { 18, 48, 78, 8, 38, 68, 28, 58, 88 },
37 { 24, 54, 84, 14, 44, 74, 4, 34, 64 },
39 { 1, 31, 61, 21, 51, 81, 11, 41, 71 },
40 { 7, 37, 67, 27, 57, 87, 17, 47, 77 },
41 { 13, 43, 73, 3, 33, 63, 23, 53, 83 },
42 { 19, 49, 79, 9, 39, 69, 29, 59, 89 },
43 { 25, 55, 85, 15, 45, 75, 5, 35, 65 },
46 static const uint8_t dv_audio_shuffle625[12][9] = {
47 { 0, 36, 72, 26, 62, 98, 16, 52, 88},
48 { 6, 42, 78, 32, 68, 104, 22, 58, 94},
49 { 12, 48, 84, 2, 38, 74, 28, 64, 100},
50 { 18, 54, 90, 8, 44, 80, 34, 70, 106},
51 { 24, 60, 96, 14, 50, 86, 4, 40, 76},
52 { 30, 66, 102, 20, 56, 92, 10, 46, 82},
54 { 1, 37, 73, 27, 63, 99, 17, 53, 89},
55 { 7, 43, 79, 33, 69, 105, 23, 59, 95},
56 { 13, 49, 85, 3, 39, 75, 29, 65, 101},
57 { 19, 55, 91, 9, 45, 81, 35, 71, 107},
58 { 25, 61, 97, 15, 51, 87, 5, 41, 77},
59 { 31, 67, 103, 21, 57, 93, 11, 47, 83},
63 static const uint8_t block_sizes_dv2550[8] = {
64 112, 112, 112, 112, 80, 80, 0, 0,
67 static const uint8_t block_sizes_dv100[8] = {
68 80, 80, 80, 80, 80, 80, 64, 64,
77 .time_base = { 1001, 30000 },
81 .sar = {{8, 9}, {32, 27}},
84 .block_sizes = block_sizes_dv2550,
86 .audio_min_samples = { 1580, 1452, 1053 },
87 .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 },
88 .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,
110 .frame_size = 144000,
113 .time_base = { 1, 25 },
117 .sar = {{16, 15}, {64, 45}},
120 .block_sizes = block_sizes_dv2550,
122 .audio_min_samples = { 1896, 1742, 1264 },
123 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
124 .audio_shuffle = dv_audio_shuffle625,
128 .frame_size = 240000,
131 .time_base = { 1001, 30000 },
135 .sar = {{8, 9}, {32, 27}},
138 .block_sizes = block_sizes_dv2550,
140 .audio_min_samples = { 1580, 1452, 1053 },
141 .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 },
142 .audio_shuffle = dv_audio_shuffle525,
146 .frame_size = 288000,
149 .time_base = { 1, 25 },
153 .sar = {{16, 15}, {64, 45}},
156 .block_sizes = block_sizes_dv2550,
158 .audio_min_samples = { 1896, 1742, 1264 },
159 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
160 .audio_shuffle = dv_audio_shuffle625,
164 .frame_size = 480000,
167 .time_base = { 1001, 30000 },
171 .sar = {{1, 1}, {3, 2}},
174 .block_sizes = block_sizes_dv100,
176 .audio_min_samples = { 1580, 1452, 1053 },
177 .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 },
178 .audio_shuffle = dv_audio_shuffle525,
182 .frame_size = 576000,
185 .time_base = { 1, 25 },
189 .sar = {{1, 1}, {4, 3}},
192 .block_sizes = block_sizes_dv100,
194 .audio_min_samples = { 1896, 1742, 1264 },
195 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
196 .audio_shuffle = dv_audio_shuffle625,
200 .frame_size = 240000,
203 .time_base = { 1001, 60000 },
207 .sar = {{1, 1}, {4, 3}},
210 .block_sizes = block_sizes_dv100,
212 .audio_min_samples = { 1580, 1452, 1053 },
213 .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 },
214 .audio_shuffle = dv_audio_shuffle525,
218 .frame_size = 288000,
221 .time_base = { 1, 50 },
225 .sar = {{1, 1}, {4, 3}},
228 .block_sizes = block_sizes_dv100,
230 .audio_min_samples = { 1896, 1742, 1264 },
231 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
232 .audio_shuffle = dv_audio_shuffle625,
236 .frame_size = 144000,
239 .time_base = { 1, 25 },
243 .sar = {{16, 15}, {64, 45}},
246 .block_sizes = block_sizes_dv2550,
248 .audio_min_samples = { 1896, 1742, 1264 },
249 .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
250 .audio_shuffle = dv_audio_shuffle625,
259 av_log(logctx, loglevel,
"Frame size: %dx%d; pixel format: %s, "
268 const uint8_t* frame,
unsigned buf_size)
273 if (buf_size < 80 * 5 + 48 + 4)
276 dsf = (frame[3] & 0x80) >> 7;
277 stype = frame[80 * 5 + 48 + 3] & 0x1f;
280 if (dsf == 1 && stype == 0 && frame[4] & 0x07 ) {
281 return &dv_profiles[2];
285 if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype)
286 return &dv_profiles[i];
303 if (height == dv_profiles[i].height &&
304 pix_fmt == dv_profiles[i].pix_fmt &&
305 width == dv_profiles[i].width)
306 return &dv_profiles[i];
#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.
void av_log(void *avcl, int level, const char *fmt,...)
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.