Olivier Naudan | b28313f | 2012-04-16 08:10:18 -0400 | [diff] [blame] | 1 | /* |
| 2 | * GStreamer |
| 3 | * Copyright (C) 2009 Edward Hervey <bilboed@bilboed.com> |
| 4 | * |
| 5 | * This library is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU Library General Public |
| 7 | * License as published by the Free Software Foundation; either |
| 8 | * version 2 of the License, or (at your option) any later version. |
| 9 | * |
| 10 | * This library is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * Library General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU Library General Public |
| 16 | * License along with this library; if not, write to the |
Sebastian Dröge | e6513c1 | 2013-07-14 12:12:42 +0200 | [diff] [blame] | 17 | * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, |
| 18 | * Boston, MA 02110-1301, USA. |
Olivier Naudan | b28313f | 2012-04-16 08:10:18 -0400 | [diff] [blame] | 19 | */ |
| 20 | |
| 21 | /** |
| 22 | * SECTION:element-HDVParse |
| 23 | * |
| 24 | * <refsect2> |
| 25 | * <title>Example launch line</title> |
| 26 | * <para> |
| 27 | * <programlisting> |
| 28 | * gst-launch -v -m filesrc ! mpegtsdemux ! hdvparse ! fakesink silent=TRUE |
| 29 | * </programlisting> |
| 30 | * </para> |
| 31 | * </refsect2> |
| 32 | */ |
| 33 | |
| 34 | #ifdef HAVE_CONFIG_H |
| 35 | #include "config.h" |
| 36 | #endif |
| 37 | |
| 38 | #include <math.h> |
| 39 | |
| 40 | #include <gst/gst.h> |
| 41 | #include <gst/base/gstbasetransform.h> |
| 42 | |
| 43 | #include "gsthdvparse.h" |
| 44 | |
| 45 | GST_DEBUG_CATEGORY_STATIC (gst_hdvparse_debug); |
| 46 | #define GST_CAT_DEFAULT gst_hdvparse_debug |
| 47 | |
| 48 | /* Filter signals and args */ |
| 49 | enum |
| 50 | { |
| 51 | /* FILL ME */ |
| 52 | LAST_SIGNAL |
| 53 | }; |
| 54 | |
| 55 | enum |
| 56 | { |
| 57 | PROP_0, |
| 58 | }; |
| 59 | |
| 60 | |
| 61 | |
| 62 | #define CLOCK_BASE 9LL |
| 63 | #define CLOCK_FREQ (CLOCK_BASE * 10000) |
| 64 | |
| 65 | #define MPEGTIME_TO_GSTTIME(time) (gst_util_uint64_scale ((time), \ |
| 66 | GST_MSECOND/10, CLOCK_BASE)) |
| 67 | #define GSTTIME_TO_MPEGTIME(time) (gst_util_uint64_scale ((time), \ |
| 68 | CLOCK_BASE, GST_MSECOND/10)) |
| 69 | |
| 70 | /* If set to 1, then extra validation will be applied to check |
| 71 | * for complete spec compliance wherever applicable. */ |
| 72 | #define VALIDATE 0 |
| 73 | |
| 74 | /* Binary-coded decimal reading macro */ |
| 75 | #define BCD(c) ( ((((c) >> 4) & 0x0f) * 10) + ((c) & 0x0f) ) |
| 76 | /* Same as before, but with a mask */ |
| 77 | #define BCD_M(c, mask) (BCD ((c) & (mask))) |
| 78 | |
| 79 | /* the capabilities of the inputs and outputs. |
| 80 | * |
| 81 | * describe the real formats here. |
| 82 | */ |
| 83 | static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink", |
| 84 | GST_PAD_SINK, |
| 85 | GST_PAD_ALWAYS, |
| 86 | GST_STATIC_CAPS ("hdv/aux-v;hdv/aux-a") |
| 87 | ); |
| 88 | |
| 89 | static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src", |
| 90 | GST_PAD_SRC, |
| 91 | GST_PAD_ALWAYS, |
| 92 | GST_STATIC_CAPS |
| 93 | ("hdv/aux-v,parsed=(boolean)True;hdv/aux-a,parsed=(boolean)True") |
| 94 | ); |
| 95 | |
| 96 | /* debug category for fltering log messages |
| 97 | * |
| 98 | * exchange the string 'Template HDVParse' with your description |
| 99 | */ |
| 100 | #define DEBUG_INIT(bla) \ |
| 101 | GST_DEBUG_CATEGORY_INIT (gst_hdvparse_debug, "hdvparse", 0, "HDV private stream parser"); |
| 102 | |
| 103 | GST_BOILERPLATE_FULL (GstHDVParse, gst_hdvparse, GstBaseTransform, |
| 104 | GST_TYPE_BASE_TRANSFORM, DEBUG_INIT); |
| 105 | |
| 106 | static GstFlowReturn gst_hdvparse_transform_ip (GstBaseTransform * base, |
| 107 | GstBuffer * outbuf); |
| 108 | static GstCaps *gst_hdvparse_transform_caps (GstBaseTransform * trans, |
| 109 | GstPadDirection dir, GstCaps * incaps); |
| 110 | |
| 111 | /* GObject vmethod implementations */ |
| 112 | |
| 113 | static void |
| 114 | gst_hdvparse_base_init (gpointer klass) |
| 115 | { |
| 116 | |
| 117 | GstElementClass *element_class = GST_ELEMENT_CLASS (klass); |
| 118 | |
Sebastian Dröge | d89778c | 2016-07-06 12:52:14 +0300 | [diff] [blame] | 119 | gst_element_class_add_static_pad_template (element_class, &src_template); |
| 120 | gst_element_class_add_static_pad_template (element_class, &sink_template); |
Sebastian Dröge | 6a5ec01 | 2012-10-25 14:10:09 +0200 | [diff] [blame] | 121 | gst_element_class_set_static_metadata (element_class, "HDVParser", |
Olivier Naudan | b28313f | 2012-04-16 08:10:18 -0400 | [diff] [blame] | 122 | "Data/Parser", |
| 123 | "HDV private stream Parser", "Edward Hervey <bilboed@bilboed.com>"); |
| 124 | } |
| 125 | |
| 126 | /* initialize the HDVParse's class */ |
| 127 | static void |
| 128 | gst_hdvparse_class_init (GstHDVParseClass * klass) |
| 129 | { |
| 130 | GST_BASE_TRANSFORM_CLASS (klass)->transform_ip = |
| 131 | GST_DEBUG_FUNCPTR (gst_hdvparse_transform_ip); |
| 132 | GST_BASE_TRANSFORM_CLASS (klass)->transform_caps = |
| 133 | GST_DEBUG_FUNCPTR (gst_hdvparse_transform_caps); |
| 134 | } |
| 135 | |
| 136 | /* initialize the new element |
| 137 | * initialize instance structure |
| 138 | */ |
| 139 | static void |
| 140 | gst_hdvparse_init (GstHDVParse * filter, GstHDVParseClass * klass) |
| 141 | { |
| 142 | GstBaseTransform *transform = GST_BASE_TRANSFORM (filter); |
| 143 | |
| 144 | gst_base_transform_set_in_place (transform, TRUE); |
| 145 | gst_base_transform_set_passthrough (transform, TRUE); |
| 146 | } |
| 147 | |
| 148 | static GstCaps * |
| 149 | gst_hdvparse_transform_caps (GstBaseTransform * trans, GstPadDirection dir, |
| 150 | GstCaps * incaps) |
| 151 | { |
| 152 | GstCaps *res = NULL; |
| 153 | GstStructure *st = gst_caps_get_structure (incaps, 0); |
| 154 | |
| 155 | GST_WARNING_OBJECT (trans, "dir:%d, incaps:%" GST_PTR_FORMAT, dir, incaps); |
| 156 | |
| 157 | if (dir == GST_PAD_SINK) { |
| 158 | res = gst_caps_new_simple (gst_structure_get_name (st), |
| 159 | "parsed", G_TYPE_BOOLEAN, TRUE, NULL); |
| 160 | } else { |
| 161 | res = gst_caps_new_simple (gst_structure_get_name (st), NULL); |
| 162 | } |
| 163 | |
| 164 | return res; |
| 165 | } |
| 166 | |
| 167 | |
| 168 | static inline const gchar * |
| 169 | sfr_to_framerate (guint8 sfr) |
| 170 | { |
| 171 | switch (sfr) { |
| 172 | case 4: |
| 173 | return "30000/1001"; |
| 174 | case 3: |
| 175 | return "25/1"; |
| 176 | case 1: |
| 177 | return "24000/1001"; |
| 178 | default: |
| 179 | return "RESERVED"; |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | static GstFlowReturn |
| 184 | parse_dv_multi_pack (GstHDVParse * filter, guint8 * data, guint64 size, |
| 185 | GstStructure * st) |
| 186 | { |
| 187 | guint64 offs = 1; |
| 188 | |
| 189 | while (size / 5) { |
| 190 | GST_LOG ("DV pack 0x%x", data[offs]); |
| 191 | switch (data[offs]) { |
| 192 | case 0x70:{ |
| 193 | guint8 irispos, ae, agc, wbmode, whitebal, focusmode, focuspos; |
| 194 | |
| 195 | irispos = data[offs + 1] & 0x3f; |
| 196 | ae = data[offs + 2] >> 4; |
| 197 | agc = data[offs + 2] & 0xf; |
| 198 | wbmode = data[offs + 3] >> 5; |
| 199 | whitebal = data[offs + 3] & 0x1f; |
| 200 | focusmode = data[offs + 4] >> 7; |
| 201 | focuspos = data[offs + 4] & 0x7f; |
| 202 | |
| 203 | GST_LOG (" Consumer Camera 1"); |
| 204 | |
| 205 | GST_LOG (" Iris position %d (0x%x)", irispos, irispos); |
| 206 | /* Iris position = 2 ^ (IP/8) (for 0 < IP < 0x3C) */ |
| 207 | if (irispos < 0x3c) { |
| 208 | GST_LOG (" IRIS F%0.2f", powf (2.0, (((float) irispos) / 8.0))); |
| 209 | gst_structure_set (st, "aperture-fnumber", G_TYPE_FLOAT, |
| 210 | powf (2.0, (((float) irispos) / 8.0)), NULL); |
| 211 | } else if (irispos == 0x3d) { |
| 212 | GST_LOG (" IRIS < 1.0"); |
| 213 | } else if (irispos == 0x3e) { |
| 214 | GST_LOG (" IRIS closed"); |
| 215 | } |
| 216 | |
| 217 | /* AE Mode: |
| 218 | * 0 : Full automatic |
| 219 | * 1 : Gain Priority mode |
| 220 | * 2 : Shutter Priority mode |
| 221 | * 3 : Iris priority mode |
| 222 | * 4 : Manual |
| 223 | * ..: Reserved |
| 224 | * F : No information */ |
| 225 | GST_LOG (" AE Mode: %d (0x%x)", ae, ae); |
| 226 | |
| 227 | GST_LOG (" AGC: %d (0x%x)", agc, agc); |
| 228 | if (agc < 0xd) { |
| 229 | /* This is what the spec says.. but I'm not seeing the same on my camera :( */ |
| 230 | GST_LOG (" Gain:%02.2fdB", (agc * 3.0) - 3.0); |
| 231 | gst_structure_set (st, "gain", G_TYPE_FLOAT, (agc * 3.0) - 3.0, NULL); |
| 232 | } |
| 233 | /* White balance mode |
| 234 | * 0 : Automatic |
| 235 | * 1 : hold |
| 236 | * 2 : one push |
| 237 | * 3 : pre-set |
| 238 | * 7 : no-information */ |
| 239 | if (wbmode != 7) |
| 240 | GST_LOG (" White balance mode : %d (0x%x)", wbmode, wbmode); |
| 241 | /* White balance |
| 242 | * 0 : Candle |
| 243 | * 1 : Incandescent lamp |
| 244 | * 2 : low color temperature fluorescent lamp |
| 245 | * 3 : high color temperature fluorescent lamp |
| 246 | * 4 : sunlight |
| 247 | * 5 : cloudy weather |
| 248 | * F : No information |
| 249 | */ |
| 250 | if (whitebal != 0xf) |
| 251 | GST_LOG (" White balance : %d (0x%x)", whitebal, whitebal); |
| 252 | if (focuspos != 0x7f) { |
| 253 | GST_LOG (" Focus mode : %s", focusmode ? "MANUAL" : "AUTOMATIC"); |
| 254 | GST_LOG (" Focus position: %d (0x%x)", focuspos, focuspos); |
| 255 | } |
| 256 | } |
| 257 | break; |
| 258 | case 0x71:{ |
| 259 | guint8 v_pan, h_pan, focal_length, e_zoom; |
| 260 | gboolean is, zen; |
| 261 | |
| 262 | v_pan = data[offs + 1] & 0x3f; |
| 263 | is = data[offs + 2] >> 7; |
| 264 | h_pan = data[offs + 2] & 0x7f; |
| 265 | focal_length = data[offs + 3]; |
| 266 | zen = data[offs + 4] >> 7; |
| 267 | e_zoom = data[offs + 4] & 0x7f; |
| 268 | |
| 269 | GST_LOG (" Consumer Camera 2"); |
| 270 | if (v_pan != 0x3f) |
| 271 | GST_LOG (" Vertical Panning : %d (0x%d)", v_pan, v_pan); |
| 272 | if (h_pan != 0x7f) |
| 273 | GST_LOG (" Horizontal Panning : %d (0x%d)", h_pan, h_pan); |
| 274 | GST_LOG (" Stabilizer : %s", is ? "OFF" : "ON"); |
| 275 | if (focal_length != 0xff) |
| 276 | GST_LOG (" Focal Length : %f mm", |
| 277 | (focal_length & 0x7f) * pow (10, focal_length & 0x80)); |
| 278 | if (zen == 0) |
| 279 | GST_LOG (" Electric Zoom %02dd.%03d", e_zoom >> 5, e_zoom & 0x1f); |
| 280 | } |
| 281 | break; |
| 282 | case 0x7f:{ |
| 283 | guint16 speed; |
| 284 | guint16 speedint; |
| 285 | |
| 286 | GST_LOG (" Shutter"); |
| 287 | if (data[offs + 1] != 0xff) |
| 288 | GST_LOG (" Shutter Speed (1) : %d, 0x%x", |
| 289 | data[offs + 1], data[offs + 1]); |
| 290 | if (data[offs + 2] != 0xff) |
| 291 | GST_LOG (" Shutter Speed (1) : %d, 0x%x", |
| 292 | data[offs + 2], data[offs + 2]); |
| 293 | |
| 294 | speed = data[offs + 3] | (data[offs + 4] & 0x7f) << 8; |
| 295 | |
| 296 | /* The shutter speed is 1/(CSS * horizontal scanning period) */ |
| 297 | /* FIXME : 34000 is a value interpolated by observations */ |
| 298 | speedint = (int) (34000.0 / (float) speed); |
| 299 | /* Only the highest two decimal digits are valid */ |
| 300 | if (speedint > 100) |
| 301 | speedint = speedint / 10 * 10; |
| 302 | |
| 303 | GST_LOG (" Shutter speed : 1/%d", speedint); |
| 304 | gst_structure_set (st, "shutter-speed", GST_TYPE_FRACTION, |
| 305 | 1, speedint, NULL); |
| 306 | } |
| 307 | break; |
| 308 | default: |
| 309 | GST_MEMDUMP ("Unknown pack", data + offs, 5); |
| 310 | break; |
| 311 | } |
| 312 | size -= 5; |
| 313 | offs += 5; |
| 314 | } |
| 315 | return GST_FLOW_OK; |
| 316 | } |
| 317 | |
| 318 | static GstFlowReturn |
| 319 | parse_video_frame (GstHDVParse * filter, guint8 * data, guint64 size, |
| 320 | GstStructure * st) |
| 321 | { |
| 322 | guint32 etn, bitrate; |
| 323 | guint8 nbframes, data_h, hdr_size, sfr, sdm; |
| 324 | guint8 aspect, framerate, profile, level, format, chroma; |
| 325 | guint8 gop_n, gop_m, cgms, recst, abst; |
| 326 | guint16 vbv_delay, width, height, vbv_buffer; |
| 327 | guint64 dts; |
| 328 | gboolean pf, tf, rf; |
| 329 | |
| 330 | GST_LOG_OBJECT (filter, "Video Frame Pack"); |
| 331 | |
| 332 | /* Byte | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| 333 | * --------------------------------- |
| 334 | * 0 | Size (0x39) | |
| 335 | * --------------------------------- |
| 336 | * 1 | | |
| 337 | * 2 | ETN | |
| 338 | * 3 | | |
| 339 | * --------------------------------- |
| 340 | */ |
| 341 | |
| 342 | if (data[0] != 0x39) { |
| 343 | GST_WARNING ("Invalid size for Video frame"); |
| 344 | return GST_FLOW_ERROR; |
| 345 | } |
| 346 | etn = data[3] << 16 | data[2] << 8 | data[1]; |
| 347 | |
| 348 | GST_LOG_OBJECT (filter, " ETN : %" G_GUINT32_FORMAT, etn); |
| 349 | |
| 350 | /* Pack-V Information |
| 351 | * --------------------------------- |
| 352 | * 4 | Number of Video Frames | |
| 353 | * --------------------------------- |
| 354 | * 5 | 0 | 0 | 0 | 0 | DATA-H | |
| 355 | * --------------------------------- |
| 356 | * 6 | VBV | |
| 357 | * 7 | DELAY | |
| 358 | * --------------------------------- |
| 359 | * 8 | HEADER SIZE | |
| 360 | * --------------------------------- |
| 361 | * 9 | | |
| 362 | * 10 | DTS | |
| 363 | * 11 | | |
| 364 | * 12 | | |
| 365 | * ----------------------------- | |
| 366 | * 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | |
| 367 | * --------------------------------- |
| 368 | * 14 |PF |TF |RF | 0 | SFR | |
| 369 | * --------------------------------- |
| 370 | */ |
| 371 | |
| 372 | nbframes = data[4]; |
| 373 | |
| 374 | if (VALIDATE && (data[5] >> 4)) |
| 375 | return GST_FLOW_ERROR; |
| 376 | data_h = data[5] & 0xf; |
| 377 | |
| 378 | vbv_delay = data[6] | data[7] << 8; |
| 379 | |
| 380 | hdr_size = data[8]; |
| 381 | |
| 382 | dts = data[9] | data[10] << 8 | data[11] << 16 | data[12] << 24; |
| 383 | dts |= (guint64) (data[13] & 0x1) << 32; |
| 384 | if (G_UNLIKELY (VALIDATE && (data[13] & 0xfe))) { |
| 385 | return GST_FLOW_ERROR; |
| 386 | } |
| 387 | |
| 388 | pf = data[14] & 0x80; |
| 389 | tf = data[14] & 0x40; |
| 390 | rf = data[14] & 0x20; |
| 391 | if (G_UNLIKELY (VALIDATE && (data[14] & 0x10))) |
| 392 | return GST_FLOW_ERROR; |
| 393 | |
| 394 | sfr = data[14] & 0x07; |
| 395 | |
| 396 | GST_LOG_OBJECT (filter, " Pack-V Information"); |
| 397 | GST_LOG_OBJECT (filter, " Number of Video Frames : %d", nbframes); |
| 398 | GST_LOG_OBJECT (filter, " Leading PES-V picture type %s (0x%x)", |
| 399 | (data_h == 0x1) ? "I-picture" : "other", data_h); |
| 400 | GST_LOG_OBJECT (filter, " VBV Delay of first frame: %" G_GUINT32_FORMAT, |
| 401 | vbv_delay); |
| 402 | GST_LOG_OBJECT (filter, " Header Size:%d", hdr_size); |
| 403 | GST_LOG_OBJECT (filter, " DTS: %" GST_TIME_FORMAT " (%" G_GUINT64_FORMAT ")", |
| 404 | GST_TIME_ARGS (MPEGTIME_TO_GSTTIME (dts)), dts); |
| 405 | GST_LOG_OBJECT (filter, " Video source : %s %s %s (0x%x 0x%x 0x%x)", |
| 406 | pf ? "Progressive" : "Interlaced", |
| 407 | tf ? "TFF" : "", rf ? "RFF" : "", pf, tf, rf); |
| 408 | GST_LOG_OBJECT (filter, " Source Frame Rate : %s (0x%x)", |
| 409 | sfr_to_framerate (sfr), sfr); |
| 410 | |
| 411 | gst_structure_set (st, "DTS", G_TYPE_UINT64, MPEGTIME_TO_GSTTIME (dts), |
| 412 | "interlaced", G_TYPE_BOOLEAN, !pf, NULL); |
| 413 | |
| 414 | /* Search Data Mode |
| 415 | * --------------------------------- |
| 416 | * 15 | Search Data Mode | |
| 417 | * --------------------------------- |
| 418 | */ |
| 419 | sdm = data[15]; |
| 420 | GST_LOG_OBJECT (filter, " Search Data Mode : 0x%x", sdm); |
| 421 | GST_LOG_OBJECT (filter, " %s %s %s", |
| 422 | sdm & 0x2 ? "8x-Base" : "", |
| 423 | sdm & 0x4 ? "8x-Helper" : "", sdm & 0x10 ? "24x" : ""); |
| 424 | |
| 425 | /* Video Mode |
| 426 | * --------------------------------- |
| 427 | * 16 | Horizontal size | |
| 428 | * ----------------- | |
| 429 | * 17 | 0 | 0 | 0 | 0 | | |
| 430 | * --------------------------------- |
| 431 | * 18 | Vertical size | |
| 432 | * ----------------- | |
| 433 | * 19 | 0 | 0 | 0 | 0 | | |
| 434 | * --------------------------------- |
| 435 | * 20 | Aspect ratio | Frame Rate | |
| 436 | * --------------------------------- |
| 437 | * 21 | | |
| 438 | * 22 | bitrate | |
| 439 | * ------------------------- | |
| 440 | * 23 | 0 | 0 | 0 | 0 | 0 | 0 | | |
| 441 | * --------------------------------- |
| 442 | * 24 | VBV Buffer size | |
| 443 | * ------------------------- | |
| 444 | * 25 | 0 | 0 | 0 | 0 | 0 | 0 | | |
| 445 | * --------------------------------- |
| 446 | * 26 | 0 | Profile | Level | |
| 447 | * --------------------------------- |
| 448 | * 27 | 0 | Format |Chroma | 0 | 0 | |
| 449 | * --------------------------------- |
| 450 | * 28 | GOP N | GOP M | |
| 451 | * --------------------------------- |
| 452 | */ |
| 453 | width = data[16] | (data[17] & 0xf) << 8; |
| 454 | height = data[18] | (data[19] & 0xf) << 8; |
| 455 | if (VALIDATE && ((data[17] & 0xf0) || data[19] & 0xf0)) |
| 456 | return GST_FLOW_ERROR; |
| 457 | aspect = data[20] >> 4; |
| 458 | framerate = data[20] & 0xf; |
| 459 | bitrate = data[21] | data[22] << 8 | (data[23] & 0x3) << 16; |
| 460 | if (VALIDATE && (data[23] & 0xfc)) |
| 461 | return GST_FLOW_ERROR; |
| 462 | vbv_buffer = data[24] | (data[25] & 0x3) << 8; |
| 463 | if (VALIDATE && (data[25] & 0xfc)) |
| 464 | return GST_FLOW_ERROR; |
| 465 | profile = (data[26] >> 4) & 0x7; |
| 466 | level = data[26] & 0xf; |
| 467 | format = (data[27] >> 4) & 0x7; |
| 468 | chroma = (data[27] >> 2) & 0x3; |
| 469 | gop_n = data[28] >> 3; |
| 470 | gop_m = data[28] & 0x7; |
| 471 | |
| 472 | GST_LOG_OBJECT (filter, " Video Mode"); |
| 473 | GST_LOG_OBJECT (filter, " width:%d, height:%d", width, height); |
| 474 | GST_LOG_OBJECT (filter, " Aspect Ratio : %s (0x%x)", |
| 475 | (aspect == 0x3) ? "16/9" : "RESERVED", aspect); |
| 476 | GST_LOG_OBJECT (filter, " Framerate: %s (0x%x)", |
| 477 | sfr_to_framerate (framerate), framerate); |
| 478 | GST_LOG_OBJECT (filter, " Bitrate: %d bit/s", bitrate * 400); |
| 479 | GST_LOG_OBJECT (filter, " VBV buffer Size : %d bits", |
| 480 | vbv_buffer * 16 * 1024); |
| 481 | GST_LOG_OBJECT (filter, " MPEG Profile : %s (0x%x)", |
| 482 | (profile == 0x4) ? "Main" : "RESERVED", profile); |
| 483 | GST_LOG_OBJECT (filter, " MPEG Level : %s (0x%x)", |
| 484 | (level == 0x6) ? "High-1440" : "RESERVED", level); |
| 485 | GST_LOG_OBJECT (filter, " Video format : %s (0x%x)", |
| 486 | (format == 0) ? "Component" : "Reserved", format); |
| 487 | GST_LOG_OBJECT (filter, " Chroma : %s (0x%x)", |
| 488 | (chroma == 0x1) ? "4:2:0" : "RESERVED", chroma); |
| 489 | GST_LOG_OBJECT (filter, " GOP N/M : %d / %d", gop_n, gop_m); |
| 490 | |
| 491 | /* data availability |
| 492 | * --------------------------------- |
| 493 | * 29 | 0 | 0 | 0 | 0 | 0 |PE2|PE1|PE0| |
| 494 | * --------------------------------- |
| 495 | * PE0 : HD2 TTC is valid |
| 496 | * PE1 : REC DATE is valid |
| 497 | * PE2 : REC TIME is valid |
| 498 | */ |
| 499 | if (data[29] & 0x1) { |
| 500 | guint8 fr, sec, min, hr; |
| 501 | gboolean bf, df; |
| 502 | gchar *ttcs; |
| 503 | |
| 504 | /* HD2 TTC |
| 505 | * --------------------------------- |
| 506 | * 30 |BF |DF |Tens Fr|Units of Frames| |
| 507 | * --------------------------------- |
| 508 | * 31 | 1 |Tens second|Units of Second| |
| 509 | * --------------------------------- |
| 510 | * 32 | 1 |Tens minute|Units of Minute| |
| 511 | * --------------------------------- |
| 512 | * 33 | 1 | 1 |Tens Hr|Units of Hours | |
| 513 | * --------------------------------- |
| 514 | */ |
| 515 | bf = data[30] >> 7; |
| 516 | df = (data[30] >> 6) & 0x1; |
| 517 | fr = BCD (data[30] & 0x3f); |
| 518 | sec = BCD (data[31] & 0x7f); |
| 519 | min = BCD (data[32] & 0x7f); |
| 520 | hr = BCD (data[33] & 0x3f); |
| 521 | GST_LOG_OBJECT (filter, " HD2 Title Time Code"); |
| 522 | GST_LOG_OBJECT (filter, " BF:%d, Drop Frame:%d", bf, df); |
| 523 | ttcs = g_strdup_printf ("%02d:%02d:%02d.%02d", hr, min, sec, fr); |
| 524 | GST_LOG_OBJECT (filter, " Timecode %s", ttcs); |
| 525 | /* FIXME : Use framerate information from above to convert to GstClockTime */ |
| 526 | gst_structure_set (st, "title-time-code", G_TYPE_STRING, ttcs, NULL); |
| 527 | g_free (ttcs); |
| 528 | |
| 529 | } |
| 530 | |
| 531 | if (data[29] & 0x2) { |
| 532 | gboolean ds, tm; |
| 533 | guint8 tz, day, dow, month, year; |
| 534 | GDate *date; |
| 535 | |
| 536 | /* REC DATE |
| 537 | * --------------------------------- |
| 538 | * 34 |DS |TM |Tens TZ|Units of TimeZn| |
| 539 | * --------------------------------- |
| 540 | * 35 | 1 | 1 |Tens dy| Units of Days | |
| 541 | * --------------------------------- |
| 542 | * 36 | Week |TMN|Units of Months| |
| 543 | * --------------------------------- |
| 544 | * 37 | Tens of Years |Units of Years | |
| 545 | * --------------------------------- |
| 546 | */ |
| 547 | ds = data[34] >> 7; |
| 548 | tm = (data[34] >> 6) & 0x1; |
| 549 | tz = BCD (data[34] & 0x3f); |
| 550 | day = BCD (data[35] & 0x3f); |
| 551 | dow = data[36] >> 5; |
| 552 | month = BCD (data[36] & 0x1f); |
| 553 | year = BCD (data[37]); |
| 554 | |
| 555 | GST_LOG_OBJECT (filter, " REC DATE"); |
| 556 | GST_LOG_OBJECT (filter, " ds:%d, tm:%d", ds, tm); |
| 557 | GST_LOG_OBJECT (filter, " Timezone: %d", tz); |
| 558 | GST_LOG_OBJECT (filter, " Date: %d %02d/%02d/%04d", dow, day, month, year); |
| 559 | date = g_date_new_dmy (day, month, year); |
| 560 | gst_structure_set (st, "date", GST_TYPE_DATE, date, |
| 561 | "timezone", G_TYPE_INT, tz, |
| 562 | "daylight-saving", G_TYPE_BOOLEAN, ds, NULL); |
| 563 | g_date_free (date); |
| 564 | } |
| 565 | |
| 566 | if (data[29] & 0x4) { |
| 567 | guint8 fr, sec, min, hr; |
| 568 | gchar *times; |
| 569 | |
| 570 | /* REC TIME |
| 571 | * --------------------------------- |
| 572 | * 38 | 1 | 1 |Tens Fr|Units of Frames| |
| 573 | * --------------------------------- |
| 574 | * 39 | 1 |Tens second|Units of Second| |
| 575 | * --------------------------------- |
| 576 | * 40 | 1 |Tens minute|Units of Minute| |
| 577 | * --------------------------------- |
| 578 | * 41 | 1 | 1 |Tens Hr|Units of Hours | |
| 579 | * --------------------------------- |
| 580 | */ |
| 581 | fr = BCD (data[38] & 0x3f); |
| 582 | sec = BCD (data[39] & 0x7f); |
| 583 | min = BCD (data[40] & 0x7f); |
| 584 | hr = BCD (data[41] & 0x3f); |
| 585 | times = g_strdup_printf ("%02d:%02d:%02d", hr, min, sec); |
| 586 | GST_LOG_OBJECT (filter, " REC TIME %02d:%02d:%02d.%02d", hr, min, sec, fr); |
| 587 | gst_structure_set (st, "time", G_TYPE_STRING, times, NULL); |
| 588 | g_free (times); |
| 589 | } |
| 590 | |
| 591 | /* MISC |
| 592 | * --------------------------------- |
| 593 | * 42 | CGMS |REC|ABS| 0 | 0 | 0 | 0 | |
| 594 | * --------------------------------- |
| 595 | */ |
| 596 | cgms = data[42] >> 6; |
| 597 | recst = (data[42] >> 5) & 0x1; |
| 598 | abst = (data[42] >> 4) & 0x1; |
| 599 | |
| 600 | GST_LOG_OBJECT (filter, " CGMS:0x%x", cgms); |
| 601 | GST_LOG_OBJECT (filter, " Recording Start Point : %s", |
| 602 | (recst == 0) ? "PRESENT" : "ABSENT"); |
| 603 | GST_LOG_OBJECT (filter, " ABST : %s", |
| 604 | (abst == 0) ? "DISCONTINUITY" : "NO DISCONTINUITY"); |
| 605 | |
| 606 | gst_structure_set (st, "recording-start-point", G_TYPE_BOOLEAN, !recst, NULL); |
| 607 | |
| 608 | /* Extended DV Pack #1 |
| 609 | * 43 - 47 |
| 610 | */ |
| 611 | GST_LOG_OBJECT (filter, " Extended DV Pack #1 : 0x%x", data[43]); |
| 612 | |
| 613 | /* Extended DV Pack #1 |
| 614 | * 48 - 52 |
| 615 | */ |
| 616 | GST_LOG_OBJECT (filter, " Extended DV Pack #2 : 0x%x", data[48]); |
| 617 | |
| 618 | /* Extended DV Pack #1 |
| 619 | * 53 - 57 |
| 620 | */ |
| 621 | GST_LOG_OBJECT (filter, " Extended DV Pack #3 : 0x%x", data[53]); |
| 622 | |
| 623 | return GST_FLOW_OK; |
| 624 | |
| 625 | } |
| 626 | |
| 627 | static GstFlowReturn |
| 628 | parse_audio_frame (GstHDVParse * filter, guint8 * data, guint64 size, |
| 629 | GstStructure * st) |
| 630 | { |
| 631 | guint32 etn; |
| 632 | guint8 nbmute, nbaau; |
| 633 | guint64 pts; |
| 634 | guint16 audio_comp; |
| 635 | guint8 bitrate, fs, compress, channel; |
| 636 | guint8 option, cgms; |
| 637 | gboolean acly, recst; |
| 638 | |
| 639 | GST_LOG_OBJECT (filter, "Audio Frame Pack"); |
| 640 | |
| 641 | /* Byte | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| 642 | * --------------------------------- |
| 643 | * 0 | Size (0x0f) | |
| 644 | * --------------------------------- |
| 645 | * 1 | | |
| 646 | * 2 | ETN | |
| 647 | * 3 | | |
| 648 | * --------------------------------- |
| 649 | * 4 |Nb Audio Mute | Number of AAU | |
| 650 | * --------------------------------- |
| 651 | */ |
| 652 | |
| 653 | if (data[0] != 0x0f) { |
| 654 | GST_WARNING ("Invalid size for audio frame"); |
| 655 | return GST_FLOW_ERROR; |
| 656 | } |
| 657 | etn = data[3] << 16 | data[2] << 8 | data[1]; |
| 658 | |
| 659 | GST_LOG_OBJECT (filter, " ETN : %" G_GUINT32_FORMAT, etn); |
| 660 | |
| 661 | /* Pack-A Information |
| 662 | * --------------------------------- |
| 663 | * 4 |Nb Audio Mute | Number of AAU | |
| 664 | * --------------------------------- |
| 665 | * 5 | | |
| 666 | * 6 | PTS | |
| 667 | * 7 | | |
| 668 | * 8 | | |
| 669 | * ----------------------------- | |
| 670 | * 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | |
| 671 | * --------------------------------- |
| 672 | * 10 | Audio | |
| 673 | * 11 | Compensation | |
| 674 | * --------------------------------- |
| 675 | */ |
| 676 | |
| 677 | /* Number of Audio Mute Frames */ |
| 678 | nbmute = data[4] >> 4; |
| 679 | /* Number of AAU */ |
| 680 | nbaau = data[4] & 0x0f; |
| 681 | /* PTS of the first AAU immediatly following */ |
| 682 | pts = (data[5] | data[6] << 8 | data[7] << 16 | data[8] << 24); |
| 683 | pts |= (guint64) (data[9] & 0x1) << 32; |
| 684 | if (G_UNLIKELY (VALIDATE && (data[9] & 0xfe))) { |
| 685 | return GST_FLOW_ERROR; |
| 686 | } |
| 687 | |
| 688 | /* Amount of compensation */ |
| 689 | audio_comp = data[10] | data[11] << 8; |
| 690 | |
| 691 | GST_LOG_OBJECT (filter, " Pack-A Information"); |
| 692 | GST_LOG_OBJECT (filter, " Nb Audio Mute Frames : %d", nbmute); |
| 693 | GST_LOG_OBJECT (filter, " Nb AAU : %d", nbaau); |
| 694 | GST_LOG_OBJECT (filter, |
| 695 | " PTS : %" GST_TIME_FORMAT " (%" G_GUINT64_FORMAT ")", |
| 696 | GST_TIME_ARGS (MPEGTIME_TO_GSTTIME (pts)), pts); |
| 697 | GST_LOG_OBJECT (filter, " Audio Compensation : %" G_GUINT32_FORMAT, |
| 698 | audio_comp); |
| 699 | |
| 700 | /* Audio Mode |
| 701 | * --------------------------------- |
| 702 | * 12 | Bitrate Index | 0 |Samplerate | |
| 703 | * --------------------------------- |
| 704 | * 13 | Compression | Channels | |
| 705 | * --------------------------------- |
| 706 | * 14 | X | Anciliary Option | |
| 707 | * --------------------------------- |
| 708 | * |
| 709 | * X : Anciliary data present |
| 710 | */ |
| 711 | |
| 712 | bitrate = data[12] >> 4; |
| 713 | fs = data[12] & 0x7; |
| 714 | if (G_UNLIKELY (VALIDATE && (data[12] & 0x08))) |
| 715 | return GST_FLOW_ERROR; |
| 716 | |
| 717 | compress = data[13] >> 4; |
| 718 | channel = data[13] & 0xf; |
| 719 | acly = data[14] & 0x80; |
| 720 | option = data[14] & 0x7f; |
| 721 | |
| 722 | GST_LOG_OBJECT (filter, " Audio Mode"); |
| 723 | GST_LOG_OBJECT (filter, " Bitrate : %s (0x%x)", |
| 724 | (bitrate == 0xe) ? "384kbps" : "RESERVED", bitrate); |
| 725 | GST_LOG_OBJECT (filter, " Samplerate : %s (0x%x)", |
| 726 | (fs == 0x1) ? "48 kHz" : "RESERVED", fs); |
| 727 | GST_LOG_OBJECT (filter, " Compression : %s (0x%x)", |
| 728 | (compress == 0x2) ? "MPEG-1 Layer II" : "RESERVED", compress); |
| 729 | GST_LOG_OBJECT (filter, " Channels : %s (0x%x)", |
| 730 | (channel == 0) ? "Stereo" : "RESERVED", channel); |
| 731 | GST_LOG_OBJECT (filter, " Anciliary data %s %s (0x%x)", |
| 732 | acly ? "PRESENT" : "ABSENT", |
| 733 | (option == 0xc) ? "IEC 13818-3" : "ABSENT/RESERVED", option); |
| 734 | /* |
| 735 | * --------------------------------- |
| 736 | * 15 | CGMS | R | 0 | 0 | 0 | 0 | 0 | |
| 737 | * --------------------------------- |
| 738 | * |
| 739 | * R : Recording Start Point |
| 740 | */ |
| 741 | |
| 742 | cgms = data[15] & 0xc0; |
| 743 | recst = data[15] & 0x20; |
| 744 | |
| 745 | GST_LOG_OBJECT (filter, " Misc"); |
| 746 | GST_LOG_OBJECT (filter, " CGMS : 0x%x", cgms); |
| 747 | GST_LOG_OBJECT (filter, " Recording Start Point %s", |
| 748 | (recst) ? "ABSENT" : "PRESENT"); |
| 749 | |
| 750 | gst_structure_set (st, "PTS", G_TYPE_UINT64, MPEGTIME_TO_GSTTIME (pts), |
| 751 | "recording-start-point", G_TYPE_BOOLEAN, !recst, NULL); |
| 752 | |
| 753 | return GST_FLOW_OK; |
| 754 | } |
| 755 | |
| 756 | static GstFlowReturn |
| 757 | gst_hdvparse_parse (GstHDVParse * filter, GstBuffer * buf) |
| 758 | { |
| 759 | GstFlowReturn res = GST_FLOW_OK; |
| 760 | guint8 *data = GST_BUFFER_DATA (buf); |
| 761 | guint64 offs = 0; |
| 762 | guint64 insize = GST_BUFFER_SIZE (buf); |
| 763 | GstStructure *st; |
| 764 | |
| 765 | /* Byte | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| 766 | * --------------------------------- |
| 767 | * 0 | 0 | KEYWORD | |
| 768 | * (1) | LENGTH | |
| 769 | * .... |
| 770 | * |
| 771 | * KEYWORD : |
| 772 | * 0x00 - 0x3F : Constant length (5 bytes) |
| 773 | * 0x40 - 0x7F : Variable length (LENGTH + 1) |
| 774 | * |
| 775 | * LENGTH : if present, size of fields 1-N |
| 776 | * |
| 777 | * Known keyword values: |
| 778 | * 0x00-0x07 : AUX-V |
| 779 | * 0x08-0x3E : RESERVED |
| 780 | * 0x3F : AUX-N NO-INFO |
| 781 | * 0x40-0x43 : AUX-A |
| 782 | * 0x44-0x47 : AUX-V |
| 783 | * 0x48-0x4F : AUX-N |
| 784 | * 0x50-0x53 : AUX-SYS |
| 785 | * 0x54-0x7E : RESERVED |
| 786 | * 0x7F : AUX-N NULL PACK |
| 787 | */ |
| 788 | |
| 789 | st = gst_structure_empty_new ("hdv-aux"); |
| 790 | |
| 791 | while (res == GST_FLOW_OK && (offs < insize)) { |
| 792 | guint8 kw = data[offs] & 0x7f; |
| 793 | guint8 size; |
| 794 | |
| 795 | /* Variable size packs */ |
| 796 | if (kw >= 0x40) { |
| 797 | size = data[offs + 1]; |
| 798 | } else |
| 799 | size = 4; |
| 800 | |
| 801 | /* Size validation */ |
| 802 | GST_DEBUG ("kw:0x%x, insize:%" G_GUINT64_FORMAT ", offs:%" G_GUINT64_FORMAT |
| 803 | ", size:%d", kw, insize, offs, size); |
| 804 | if (insize < offs + size) { |
| 805 | res = GST_FLOW_ERROR; |
| 806 | goto beach; |
| 807 | } |
| 808 | |
| 809 | switch (kw) { |
| 810 | case 0x01: |
| 811 | GST_LOG ("BINARY GROUP"); |
| 812 | offs += size + 1; |
| 813 | break; |
| 814 | case 0x07: |
| 815 | GST_LOG ("ETN pack"); |
| 816 | break; |
| 817 | case 0x40: |
| 818 | GST_LOG ("Audio frame pack"); |
| 819 | res = parse_audio_frame (filter, data + offs + 1, size, st); |
| 820 | offs += size + 2; |
| 821 | break; |
| 822 | case 0x3f: |
| 823 | GST_LOG ("NO INFO pack"); |
| 824 | offs += size + 1; |
| 825 | break; |
| 826 | case 0x44: |
| 827 | GST_LOG ("Video frame pack"); |
| 828 | res = parse_video_frame (filter, data + offs + 1, size, st); |
| 829 | offs += size + 2; |
| 830 | break; |
| 831 | case 0x48: |
| 832 | case 0x49: |
| 833 | case 0x4A: |
| 834 | case 0x4B: |
| 835 | GST_LOG ("DV multi-pack"); |
| 836 | res = parse_dv_multi_pack (filter, data + offs + 1, size, st); |
| 837 | offs += size + 2; |
| 838 | break; |
| 839 | default: |
| 840 | GST_WARNING_OBJECT (filter, "Unknown AUX pack data of type 0x%x", kw); |
| 841 | res = GST_FLOW_ERROR; |
| 842 | } |
| 843 | } |
| 844 | |
| 845 | beach: |
| 846 | if (gst_structure_n_fields (st)) { |
| 847 | GstMessage *msg; |
| 848 | /* Emit the element message */ |
| 849 | msg = gst_message_new_element (GST_OBJECT (filter), st); |
| 850 | gst_element_post_message (GST_ELEMENT (filter), msg); |
| 851 | } else |
| 852 | gst_structure_free (st); |
| 853 | |
| 854 | return res; |
| 855 | |
| 856 | } |
| 857 | |
| 858 | /* GstBaseTransform vmethod implementations */ |
| 859 | |
| 860 | static GstFlowReturn |
| 861 | gst_hdvparse_transform_ip (GstBaseTransform * base, GstBuffer * outbuf) |
| 862 | { |
| 863 | GstHDVParse *filter = GST_HDVPARSE (base); |
| 864 | |
| 865 | return gst_hdvparse_parse (filter, outbuf); |
| 866 | } |
| 867 | |
| 868 | |
| 869 | /* entry point to initialize the plug-in |
| 870 | * initialize the plug-in itself |
| 871 | * register the element factories and other features |
| 872 | */ |
| 873 | static gboolean |
| 874 | HDVParse_init (GstPlugin * HDVParse) |
| 875 | { |
| 876 | return gst_element_register (HDVParse, "hdvparse", GST_RANK_NONE, |
| 877 | GST_TYPE_HDVPARSE); |
| 878 | } |
| 879 | |
| 880 | /* gstreamer looks for this structure to register HDVParses |
| 881 | * |
| 882 | * exchange the string 'Template HDVParse' with you HDVParse description |
| 883 | */ |
| 884 | GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, |
| 885 | GST_VERSION_MINOR, |
| 886 | hdvparse, |
| 887 | "HDV private stream parser", |
| 888 | HDVParse_init, VERSION, "LGPL", "GStreamer", "http://gstreamer.net/") |