qtdemux.c 56.3 KB
Newer Older
Artyom Baginski's avatar
Artyom Baginski committed
1 2
/* GStreamer
 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
3
 * Copyright (C) <2003> David A. Schleef <ds@schleef.org>
Artyom Baginski's avatar
Artyom Baginski committed
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

21 22 23
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
24
#include "qtdemux.h"
25

Artyom Baginski's avatar
Artyom Baginski committed
26
#include <string.h>
27 28 29 30 31 32 33 34 35 36
#include <zlib.h>

#define QTDEMUX_GUINT32_GET(a) GUINT32_FROM_BE(*(guint32 *)(a))
#define QTDEMUX_GUINT16_GET(a) GUINT16_FROM_BE(*(guint16 *)(a))
#define QTDEMUX_GUINT8_GET(a) (*(guint8 *)(a))
#define QTDEMUX_FP32_GET(a) (GUINT32_FROM_BE(*(guint16 *)(a))/65536.0)
#define QTDEMUX_FP16_GET(a) (GUINT16_FROM_BE(*(guint16 *)(a))/256.0)
#define QTDEMUX_FOURCC_GET(a) GUINT32_FROM_LE(*(guint32 *)(a))

#define QTDEMUX_GUINT64_GET(a) ((((guint64)QTDEMUX_GUINT32_GET(a))<<32)|QTDEMUX_GUINT32_GET(((void *)a)+4))
Artyom Baginski's avatar
Artyom Baginski committed
37

38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61
typedef struct _QtNode QtNode;
typedef struct _QtNodeType QtNodeType;
typedef struct _QtDemuxSample QtDemuxSample;
//typedef struct _QtDemuxStream QtDemuxStream;

struct _QtNode {
  guint32 type;
  gpointer data;
  int len;
};

struct _QtNodeType {
  guint32 fourcc;
  char *name;
  int flags;
  void (*dump)(GstQTDemux *qtdemux, void *buffer, int depth);
};

struct _QtDemuxSample {
  int sample_index;
  int chunk;
  int size;
  guint32 offset;
  guint64 timestamp;
62
  guint64 duration;
63 64 65 66 67 68 69 70 71 72 73
};

struct _QtDemuxStream {
  guint32 subtype;
  GstCaps *caps;
  GstPad *pad;
  int n_samples;
  QtDemuxSample *samples;
  int timescale;

  int sample_index;
74 75 76

  int width;
  int height;
77
  float fps;
78 79
  double rate;
  int n_channels;
80 81 82 83 84
};

enum QtDemuxState {
  QTDEMUX_STATE_NULL,
  QTDEMUX_STATE_HEADER,
85
  QTDEMUX_STATE_HEADER_SEEKING,
86 87 88 89 90 91
  QTDEMUX_STATE_SEEKING,
  QTDEMUX_STATE_MOVIE,
  QTDEMUX_STATE_SEEKING_EOS,
  QTDEMUX_STATE_EOS,
};

92 93 94
static GNode *qtdemux_tree_get_child_by_type(GNode *node, guint32 fourcc);
static GNode *qtdemux_tree_get_sibling_by_type(GNode *node, guint32 fourcc);

Artyom Baginski's avatar
Artyom Baginski committed
95 96 97
static GstElementDetails 
gst_qtdemux_details = 
{
98 99 100
  "QuickTime Demuxer",
  "Codec/Demuxer",
  "Demultiplex a QuickTime file into audio and video streams",
101
  "David Schleef <ds@schleef.org>"
Artyom Baginski's avatar
Artyom Baginski committed
102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117
};

enum {
  LAST_SIGNAL
};

enum {
  ARG_0
};

GST_PAD_TEMPLATE_FACTORY (sink_templ,
  "sink",
  GST_PAD_SINK,
  GST_PAD_ALWAYS,
  GST_CAPS_NEW (
    "qtdemux_sink",
118 119
    "video/quicktime",
      NULL
Artyom Baginski's avatar
Artyom Baginski committed
120
  )
121
)
Artyom Baginski's avatar
Artyom Baginski committed
122

123
static GstPadTemplate *videosrctempl, *audiosrctempl;
124
static GstElementClass *parent_class = NULL;
Artyom Baginski's avatar
Artyom Baginski committed
125 126

static void gst_qtdemux_class_init (GstQTDemuxClass *klass);
127
static void gst_qtdemux_base_init (GstQTDemuxClass *klass);
Artyom Baginski's avatar
Artyom Baginski committed
128
static void gst_qtdemux_init (GstQTDemux *quicktime_demux);
129 130 131 132 133 134 135 136 137
static GstElementStateReturn gst_qtdemux_change_state(GstElement *element);
static void gst_qtdemux_loop_header (GstElement *element);
static gboolean gst_qtdemux_handle_sink_event (GstQTDemux *qtdemux);

static void qtdemux_parse_moov(GstQTDemux *qtdemux, void *buffer, int length);
static void qtdemux_parse(GstQTDemux *qtdemux, GNode *node, void *buffer, int length);
static QtNodeType *qtdemux_type_get(guint32 fourcc);
static void qtdemux_node_dump(GstQTDemux *qtdemux, GNode *node);
static void qtdemux_parse_tree(GstQTDemux *qtdemux);
138
static GstCaps *qtdemux_video_caps(GstQTDemux *qtdemux, guint32 fourcc);
139 140 141
static GstCaps *qtdemux_audio_caps(GstQTDemux *qtdemux, guint32 fourcc);

static GType gst_qtdemux_get_type (void) 
Artyom Baginski's avatar
Artyom Baginski committed
142 143 144 145 146
{
  static GType qtdemux_type = 0;

  if (!qtdemux_type) {
    static const GTypeInfo qtdemux_info = {
147 148
      sizeof(GstQTDemuxClass),
      (GBaseInitFunc)gst_qtdemux_base_init, NULL,
Artyom Baginski's avatar
Artyom Baginski committed
149 150 151 152 153 154 155 156 157
      (GClassInitFunc)gst_qtdemux_class_init,
      NULL, NULL, sizeof(GstQTDemux), 0,
      (GInstanceInitFunc)gst_qtdemux_init,
    };
    qtdemux_type = g_type_register_static (GST_TYPE_ELEMENT, "GstQTDemux", &qtdemux_info, 0);
  }
  return qtdemux_type;
}

158 159 160 161 162 163 164 165 166 167 168
static void gst_qtdemux_base_init (GstQTDemuxClass *klass)
{
  GstElementClass *element_class = GST_ELEMENT_CLASS (klass);

  gst_element_class_add_pad_template (element_class,
		GST_PAD_TEMPLATE_GET (sink_templ));
  gst_element_class_add_pad_template (element_class, videosrctempl);
  gst_element_class_add_pad_template (element_class, audiosrctempl);
  gst_element_class_set_details (element_class, &gst_qtdemux_details);
}

169
static void gst_qtdemux_class_init (GstQTDemuxClass *klass) 
Artyom Baginski's avatar
Artyom Baginski committed
170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185
{
  GObjectClass *gobject_class;
  GstElementClass *gstelement_class;

  gobject_class = (GObjectClass*)klass;
  gstelement_class = (GstElementClass*)klass;

  parent_class = g_type_class_ref (GST_TYPE_ELEMENT);

  gstelement_class->change_state = gst_qtdemux_change_state;
}

static void 
gst_qtdemux_init (GstQTDemux *qtdemux) 
{
  qtdemux->sinkpad = gst_pad_new_from_template (GST_PAD_TEMPLATE_GET (sink_templ), "sink");
186
  gst_element_set_loop_function (GST_ELEMENT (qtdemux), gst_qtdemux_loop_header);
Artyom Baginski's avatar
Artyom Baginski committed
187 188 189 190
  gst_element_add_pad (GST_ELEMENT (qtdemux), qtdemux->sinkpad);
}

static gboolean
191
plugin_init (GstPlugin *plugin)
Artyom Baginski's avatar
Artyom Baginski committed
192
{
193 194 195 196 197 198 199 200 201
  GstCaps *audiocaps = NULL, *videocaps = NULL, *temp;
  const guint32 audio_fcc[] = {
    /* FILLME */
    0,
  }, video_fcc[] = {
    /* FILLME */
    0,
  };
  gint i;
Artyom Baginski's avatar
Artyom Baginski committed
202

203 204 205
  if (!gst_library_load ("gstbytestream"))
    return FALSE;

206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223
  for (i = 0; audio_fcc[i] != 0; i++) {
    temp = qtdemux_audio_caps (NULL, audio_fcc[i]);
    audiocaps = gst_caps_append (audiocaps, temp);
  }
  audiosrctempl = gst_pad_template_new ("audio_%02d",
					GST_PAD_SRC,
					GST_PAD_SOMETIMES,
					audiocaps, NULL);

  for (i = 0; video_fcc[i] != 0; i++) {
    temp = qtdemux_video_caps (NULL, video_fcc[i]);
    videocaps = gst_caps_append (videocaps, temp);
  }
  videosrctempl = gst_pad_template_new ("video_%02d",
					GST_PAD_SRC,
					GST_PAD_SOMETIMES,
					videocaps, NULL);

224 225
  return gst_element_register (plugin, "qtdemux",
			       GST_RANK_NONE, GST_TYPE_QTDEMUX);
Artyom Baginski's avatar
Artyom Baginski committed
226 227
}

228
GST_PLUGIN_DEFINE (
Artyom Baginski's avatar
Artyom Baginski committed
229 230 231
  GST_VERSION_MAJOR,
  GST_VERSION_MINOR,
  "qtdemux",
232 233 234 235 236 237 238 239
  "Quicktime stream demuxer",
  plugin_init,
  VERSION,
  "LGPL",
  GST_COPYRIGHT,
  GST_PACKAGE,
  GST_ORIGIN
)
Artyom Baginski's avatar
Artyom Baginski committed
240

241
static gboolean gst_qtdemux_handle_sink_event (GstQTDemux *qtdemux)
Artyom Baginski's avatar
Artyom Baginski committed
242 243
{
  guint32 remaining;
244
  GstEvent *event;
Artyom Baginski's avatar
Artyom Baginski committed
245 246
  GstEventType type;

247 248 249
  gst_bytestream_get_status(qtdemux->bs, &remaining, &event);

  type = event ? GST_EVENT_TYPE(event) : GST_EVENT_UNKNOWN;
250
  GST_DEBUG ("qtdemux: event %p %d", event, type);
Artyom Baginski's avatar
Artyom Baginski committed
251

252
  switch(type){
Artyom Baginski's avatar
Artyom Baginski committed
253
    case GST_EVENT_EOS:
254 255 256 257 258
      gst_bytestream_flush(qtdemux->bs, remaining);
      gst_pad_event_default(qtdemux->sinkpad, event);
      return FALSE;
    case GST_EVENT_FLUSH:
      g_warning("flush event");
Artyom Baginski's avatar
Artyom Baginski committed
259 260
      break;
    case GST_EVENT_DISCONTINUOUS:
261
      GST_DEBUG ("discontinuous event\n");
262 263
      //gst_bytestream_flush_fast(qtdemux->bs, remaining);
      break;
Artyom Baginski's avatar
Artyom Baginski committed
264
    default:
265
      g_warning("unhandled event %d",type);
Artyom Baginski's avatar
Artyom Baginski committed
266 267
      break;
  }
268 269

  gst_event_unref(event);
Artyom Baginski's avatar
Artyom Baginski committed
270 271 272
  return TRUE;
}

273 274 275
static GstElementStateReturn gst_qtdemux_change_state(GstElement *element)
{
  GstQTDemux *qtdemux = GST_QTDEMUX(element);
Artyom Baginski's avatar
Artyom Baginski committed
276

277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296
  switch(GST_STATE_TRANSITION(element)){
    case GST_STATE_NULL_TO_READY:
      break;
    case GST_STATE_READY_TO_PAUSED:
      qtdemux->bs = gst_bytestream_new(qtdemux->sinkpad);
      qtdemux->state = QTDEMUX_STATE_HEADER;
      /* FIXME */
      break;
    case GST_STATE_PAUSED_TO_PLAYING:
      break;
    case GST_STATE_PLAYING_TO_PAUSED:
      break;
    case GST_STATE_PAUSED_TO_READY:
      gst_bytestream_destroy(qtdemux->bs);
      break;
    case GST_STATE_READY_TO_NULL:
      break;
    default:
      break;
  }
Artyom Baginski's avatar
Artyom Baginski committed
297

298 299
  return GST_ELEMENT_CLASS(parent_class)->change_state(element);
}
Artyom Baginski's avatar
Artyom Baginski committed
300

301 302 303 304 305 306 307 308 309 310 311 312
static void gst_qtdemux_loop_header (GstElement *element)
{
  GstQTDemux *qtdemux = GST_QTDEMUX(element);
  guint8 *data;
  guint32 length;
  guint32 fourcc;
  GstBuffer *buf;
  int offset;
  int cur_offset;
  int size;
  int ret;

313 314 315 316
  /* FIXME _tell gets the offset wrong */
  //cur_offset = gst_bytestream_tell(qtdemux->bs);
  
  cur_offset = qtdemux->offset;
317
  GST_DEBUG ("loop at position %d",cur_offset);
318 319 320 321

  switch(qtdemux->state){
  case QTDEMUX_STATE_HEADER:
  {
322 323 324 325 326 327 328 329 330 331
    do{
      ret = gst_bytestream_peek_bytes(qtdemux->bs, &data, 16);
      if(ret<16){
        if(!gst_qtdemux_handle_sink_event(qtdemux)){
          return;
	}
      }else{
	break;
      }
    }while(1);
Artyom Baginski's avatar
Artyom Baginski committed
332

333
    length = GUINT32_FROM_BE(*(guint32 *)data);
334
    GST_DEBUG ("length %08x",length);
335
    fourcc = GUINT32_FROM_LE(*(guint32 *)(data+4));
336
    GST_DEBUG ("fourcc " GST_FOURCC_FORMAT, GST_FOURCC_ARGS(fourcc));
337
    if(length==0){
338
      length = gst_bytestream_length(qtdemux->bs) - cur_offset;
339 340 341 342 343
    }
    if(length==1){
      guint32 length1, length2;
  
      length1 = GUINT32_FROM_BE(*(guint32 *)(data+8));
344
      GST_DEBUG ("length1 %08x",length1);
345
      length2 = GUINT32_FROM_BE(*(guint32 *)(data+12));
346
      GST_DEBUG ("length2 %08x",length2);
347 348 349 350 351 352
  
      length=length2;
    }
  
    switch(fourcc){
      case GST_MAKE_FOURCC('m','d','a','t'):
353 354 355
      case GST_MAKE_FOURCC('f','r','e','e'):
      case GST_MAKE_FOURCC('w','i','d','e'):
        break;
356 357 358 359
      case GST_MAKE_FOURCC('m','o','o','v'):
      {
        GstBuffer *moov;
  
360 361 362
	do{
          ret = gst_bytestream_read(qtdemux->bs, &moov, length);
          if(ret < length){
363
            GST_DEBUG ("read failed (%d < %d)",ret,length);
364 365 366 367 368 369 370 371
            if(!gst_qtdemux_handle_sink_event(qtdemux)){
	      return;
	    }
          }else{
	    break;
	  }
	}while(1);

372 373 374 375 376 377 378 379
        qtdemux_parse_moov(qtdemux, GST_BUFFER_DATA(moov), length);
        if(0)qtdemux_node_dump(qtdemux, qtdemux->moov_node);
        qtdemux_parse_tree(qtdemux);
        qtdemux->state = QTDEMUX_STATE_MOVIE;
        break;
      }
      default:
      {
380 381
        g_print("unknown %08x '" GST_FOURCC_FORMAT "' at %d\n",
	    fourcc, GST_FOURCC_ARGS(fourcc), cur_offset);
382 383 384
        break;
      }
    }
385 386 387
    ret = gst_bytestream_seek(qtdemux->bs, cur_offset + length,
        GST_SEEK_METHOD_SET);
    qtdemux->offset = cur_offset + length;
388
    GST_DEBUG ("seek returned %d\n",ret);
389
    break;
Artyom Baginski's avatar
Artyom Baginski committed
390
  }
391 392 393 394 395 396 397 398 399 400 401 402 403 404 405
  case QTDEMUX_STATE_SEEKING_EOS:
  {
    guint8 *data;

    do{
      ret = gst_bytestream_peek_bytes(qtdemux->bs, &data, 1);
      if(ret<1){
        if(!gst_qtdemux_handle_sink_event(qtdemux)){
	  return;
        }
      }else{
	break;
      }
    }while(TRUE);
    gst_element_set_eos(element);
Artyom Baginski's avatar
Artyom Baginski committed
406

407
    qtdemux->state = QTDEMUX_STATE_EOS;
Artyom Baginski's avatar
Artyom Baginski committed
408 409
    return;
  }
410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429
  case QTDEMUX_STATE_EOS:
    g_warning("spinning in EOS\n");
    return;
  case QTDEMUX_STATE_MOVIE:
  {
    QtDemuxStream *stream;
    guint64 min_time;
    int index = -1;
    int i;

    min_time = G_MAXUINT64;
    for(i=0;i<qtdemux->n_streams;i++){
      stream = qtdemux->streams[i];

      if(stream->sample_index < stream->n_samples &&
	  stream->samples[stream->sample_index].timestamp < min_time){
	min_time = stream->samples[stream->sample_index].timestamp;
	index = i;
      }
    }
Artyom Baginski's avatar
Artyom Baginski committed
430

431 432 433
    if(index==-1){
      for(i=0;i<qtdemux->n_streams;i++){
        gst_pad_push(qtdemux->streams[i]->pad,
434
	    GST_DATA(gst_event_new (GST_EVENT_EOS)));
435 436
      }
      ret = gst_bytestream_seek(qtdemux->bs, 0, GST_SEEK_METHOD_END);
437
      GST_DEBUG ("seek returned %d",ret);
438 439 440 441 442 443 444 445 446 447

      qtdemux->state = QTDEMUX_STATE_SEEKING_EOS;
      return;
    }

    stream = qtdemux->streams[index];

    offset = stream->samples[stream->sample_index].offset;
    size = stream->samples[stream->sample_index].size;

448
    GST_DEBUG ("pushing from stream %d, sample_index=%d offset=%d size=%d",
449 450
	index, stream->sample_index, offset, size);

451 452
    cur_offset = gst_bytestream_tell(qtdemux->bs);
    if(offset != cur_offset){
453
      GST_DEBUG ("seeking to offset %d",offset);
454
      ret = gst_bytestream_seek(qtdemux->bs, offset, GST_SEEK_METHOD_SET);
455
      GST_DEBUG ("seek returned %d",ret);
456
      return;
Artyom Baginski's avatar
Artyom Baginski committed
457
    }
458

459
    GST_DEBUG ("reading %d bytes\n",size);
460 461 462 463
    buf = NULL;
    do{
      ret = gst_bytestream_read(qtdemux->bs, &buf, size);
      if(ret < size){
464
        GST_DEBUG ("read failed (%d < %d)",ret,size);
465 466
        if(!gst_qtdemux_handle_sink_event(qtdemux)){
	  return;
Artyom Baginski's avatar
Artyom Baginski committed
467
	}
468 469
      }else{
	break;
Artyom Baginski's avatar
Artyom Baginski committed
470
      }
471 472 473
    }while(TRUE);

    if(buf){
474 475 476 477 478 479 480 481 482 483 484 485
      /* hum... */
      if(stream->subtype == GST_MAKE_FOURCC('v','i','d','e')){
        float fps = 1. * GST_SECOND / stream->samples[stream->sample_index].duration;
        if (fps != stream->fps) {
          gst_props_remove_entry_by_name(stream->caps->properties, "framerate");
          gst_props_add_entry(stream->caps->properties,
                              gst_props_entry_new("framerate", GST_PROPS_FLOAT(fps)));
          stream->fps = fps;
          gst_pad_try_set_caps(stream->pad, stream->caps);
        }
      }

486
      GST_BUFFER_TIMESTAMP(buf) = stream->samples[stream->sample_index].timestamp;
487
      GST_BUFFER_DURATION(buf) = stream->samples[stream->sample_index].duration;
488
      gst_pad_push(stream->pad, GST_DATA (buf));
Artyom Baginski's avatar
Artyom Baginski committed
489
    }
490 491 492 493 494 495 496 497
    stream->sample_index++;
    break;
  }
  default:
    /* unreached */
    g_assert(0);
  }

Artyom Baginski's avatar
Artyom Baginski committed
498 499
}

500 501 502 503 504 505
static GstCaps *gst_qtdemux_src_getcaps(GstPad *pad, GstCaps *caps)
{
  GstQTDemux *qtdemux;
  QtDemuxStream *stream;
  int i;

506
  GST_DEBUG ("gst_qtdemux_src_getcaps");
507 508 509 510 511

  qtdemux = GST_QTDEMUX(gst_pad_get_parent(pad));

  g_return_val_if_fail(GST_IS_QTDEMUX(qtdemux), NULL);

512 513
  GST_DEBUG ("looking for pad %p in qtdemux %p", pad, qtdemux);
  GST_DEBUG ("n_streams is %d", qtdemux->n_streams);
514 515 516 517 518 519 520
  for(i=0;i<qtdemux->n_streams;i++){
    stream = qtdemux->streams[i];
    if(stream->pad == pad){
      return stream->caps;
    }
  }

521
  GST_DEBUG ("Couldn't find stream cooresponding to pad\n");
522 523 524 525 526 527 528 529 530 531 532

  return NULL;
}

static GstPadLinkReturn
gst_qtdemux_src_link(GstPad *pad, GstCaps *caps)
{
  GstQTDemux *qtdemux;
  QtDemuxStream *stream;
  int i;

533
  GST_DEBUG ("gst_qtdemux_src_link");
534 535 536

  qtdemux = GST_QTDEMUX(gst_pad_get_parent(pad));

537
  GST_DEBUG ("looking for pad %p in qtdemux %p", pad, qtdemux);
538 539
  g_return_val_if_fail(GST_IS_QTDEMUX(qtdemux), GST_PAD_LINK_REFUSED);

540
  GST_DEBUG ("n_streams is %d", qtdemux->n_streams);
541 542
  for(i=0;i<qtdemux->n_streams;i++){
    stream = qtdemux->streams[i];
543
    GST_DEBUG ("pad[%d] is %p", i, stream->pad);
544 545 546 547 548
    if(stream->pad == pad){
      return GST_PAD_LINK_OK;
    }
  }

549
  GST_DEBUG ("Couldn't find stream cooresponding to pad\n");
550 551 552 553

  return GST_PAD_LINK_REFUSED;
}

554
void gst_qtdemux_add_stream(GstQTDemux *qtdemux, QtDemuxStream *stream)
Artyom Baginski's avatar
Artyom Baginski committed
555
{
556
  if(stream->subtype == GST_MAKE_FOURCC('v','i','d','e')){
557 558 559
    stream->pad = gst_pad_new_from_template (videosrctempl,
        g_strdup_printf ("video_%02d", qtdemux->n_video_streams));
    stream->fps = 1. * GST_SECOND / stream->samples[0].duration;
560
    if(stream->caps){
561
      GstProps *properties = gst_props_intersect(
562 563
	  stream->caps->properties,
	  gst_props_new("width",GST_PROPS_INT(stream->width),
564 565 566 567 568
              "height",GST_PROPS_INT(stream->height),
              "framerate", GST_PROPS_FLOAT(stream->fps), NULL));
      if (stream->caps->properties != NULL)
        gst_props_unref (stream->caps->properties);
      stream->caps->properties = properties;
569 570 571
    }
    qtdemux->n_video_streams++;
  }else{
572 573
    stream->pad = gst_pad_new_from_template (audiosrctempl,
        g_strdup_printf ("audio_%02d", qtdemux->n_audio_streams));
574
    if(stream->caps){
575
      GstProps *properties = gst_props_intersect(
576 577 578
	  stream->caps->properties,
	  gst_props_new("rate",GST_PROPS_INT((int)stream->rate),
              "channels",GST_PROPS_INT(stream->n_channels), NULL));
579 580 581
      if (stream->caps->properties != NULL)
        gst_props_unref (stream->caps->properties);
      stream->caps->properties = properties;
Artyom Baginski's avatar
Artyom Baginski committed
582
    }
583 584
    qtdemux->n_audio_streams++;
  }
585 586 587 588 589 590

  gst_pad_set_getcaps_function(stream->pad, gst_qtdemux_src_getcaps);
  gst_pad_set_link_function(stream->pad, gst_qtdemux_src_link);

  qtdemux->streams[qtdemux->n_streams] = stream;
  qtdemux->n_streams++;
591
  GST_DEBUG ("n_streams is now %d", qtdemux->n_streams);
592

593
  GST_DEBUG ("adding pad %p to qtdemux %p", stream->pad, qtdemux);
594
  gst_element_add_pad(GST_ELEMENT (qtdemux), stream->pad);
595 596

  /* Note: we need to have everything set up before calling try_set_caps */
597
  if(stream->caps){
598 599
    g_print("setting caps to %s\n",gst_caps_to_string(stream->caps));

600 601
    gst_pad_try_set_caps(stream->pad, stream->caps);
  }
Artyom Baginski's avatar
Artyom Baginski committed
602 603
}

604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643

#define QT_CONTAINER 1

#define FOURCC_moov	GST_MAKE_FOURCC('m','o','o','v')
#define FOURCC_mvhd	GST_MAKE_FOURCC('m','v','h','d')
#define FOURCC_clip	GST_MAKE_FOURCC('c','l','i','p')
#define FOURCC_trak	GST_MAKE_FOURCC('t','r','a','k')
#define FOURCC_udta	GST_MAKE_FOURCC('u','d','t','a')
#define FOURCC_ctab	GST_MAKE_FOURCC('c','t','a','b')
#define FOURCC_tkhd	GST_MAKE_FOURCC('t','k','h','d')
#define FOURCC_crgn	GST_MAKE_FOURCC('c','r','g','n')
#define FOURCC_matt	GST_MAKE_FOURCC('m','a','t','t')
#define FOURCC_kmat	GST_MAKE_FOURCC('k','m','a','t')
#define FOURCC_edts	GST_MAKE_FOURCC('e','d','t','s')
#define FOURCC_elst	GST_MAKE_FOURCC('e','l','s','t')
#define FOURCC_load	GST_MAKE_FOURCC('l','o','a','d')
#define FOURCC_tref	GST_MAKE_FOURCC('t','r','e','f')
#define FOURCC_imap	GST_MAKE_FOURCC('i','m','a','p')
#define FOURCC___in	GST_MAKE_FOURCC(' ',' ','i','n')
#define FOURCC___ty	GST_MAKE_FOURCC(' ',' ','t','y')
#define FOURCC_mdia	GST_MAKE_FOURCC('m','d','i','a')
#define FOURCC_mdhd	GST_MAKE_FOURCC('m','d','h','d')
#define FOURCC_hdlr	GST_MAKE_FOURCC('h','d','l','r')
#define FOURCC_minf	GST_MAKE_FOURCC('m','i','n','f')
#define FOURCC_vmhd	GST_MAKE_FOURCC('v','m','h','d')
#define FOURCC_smhd	GST_MAKE_FOURCC('s','m','h','d')
#define FOURCC_gmhd	GST_MAKE_FOURCC('g','m','h','d')
#define FOURCC_gmin	GST_MAKE_FOURCC('g','m','i','n')
#define FOURCC_dinf	GST_MAKE_FOURCC('d','i','n','f')
#define FOURCC_dref	GST_MAKE_FOURCC('d','r','e','f')
#define FOURCC_stbl	GST_MAKE_FOURCC('s','t','b','l')
#define FOURCC_stsd	GST_MAKE_FOURCC('s','t','s','d')
#define FOURCC_stts	GST_MAKE_FOURCC('s','t','t','s')
#define FOURCC_stss	GST_MAKE_FOURCC('s','t','s','s')
#define FOURCC_stsc	GST_MAKE_FOURCC('s','t','s','c')
#define FOURCC_stsz	GST_MAKE_FOURCC('s','t','s','z')
#define FOURCC_stco	GST_MAKE_FOURCC('s','t','c','o')
#define FOURCC_vide	GST_MAKE_FOURCC('v','i','d','e')
#define FOURCC_soun	GST_MAKE_FOURCC('s','o','u','n')
#define FOURCC_co64	GST_MAKE_FOURCC('c','o','6','4')
644 645 646
#define FOURCC_cmov	GST_MAKE_FOURCC('c','m','o','v')
#define FOURCC_dcom	GST_MAKE_FOURCC('d','c','o','m')
#define FOURCC_cmvd	GST_MAKE_FOURCC('c','m','v','d')
647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662


static void qtdemux_dump_mvhd(GstQTDemux *qtdemux, void *buffer, int depth);
static void qtdemux_dump_tkhd(GstQTDemux *qtdemux, void *buffer, int depth);
static void qtdemux_dump_elst(GstQTDemux *qtdemux, void *buffer, int depth);
static void qtdemux_dump_mdhd(GstQTDemux *qtdemux, void *buffer, int depth);
static void qtdemux_dump_hdlr(GstQTDemux *qtdemux, void *buffer, int depth);
static void qtdemux_dump_vmhd(GstQTDemux *qtdemux, void *buffer, int depth);
static void qtdemux_dump_dref(GstQTDemux *qtdemux, void *buffer, int depth);
static void qtdemux_dump_stsd(GstQTDemux *qtdemux, void *buffer, int depth);
static void qtdemux_dump_stts(GstQTDemux *qtdemux, void *buffer, int depth);
static void qtdemux_dump_stss(GstQTDemux *qtdemux, void *buffer, int depth);
static void qtdemux_dump_stsc(GstQTDemux *qtdemux, void *buffer, int depth);
static void qtdemux_dump_stsz(GstQTDemux *qtdemux, void *buffer, int depth);
static void qtdemux_dump_stco(GstQTDemux *qtdemux, void *buffer, int depth);
static void qtdemux_dump_co64(GstQTDemux *qtdemux, void *buffer, int depth);
663 664
static void qtdemux_dump_dcom(GstQTDemux *qtdemux, void *buffer, int depth);
static void qtdemux_dump_cmvd(GstQTDemux *qtdemux, void *buffer, int depth);
665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716

QtNodeType qt_node_types[] = {
  { FOURCC_moov, "movie",		QT_CONTAINER, },
  { FOURCC_mvhd, "movie header",	0,
  	qtdemux_dump_mvhd },
  { FOURCC_clip, "clipping",		QT_CONTAINER, },
  { FOURCC_trak, "track",		QT_CONTAINER, },
  { FOURCC_udta, "user data",		0, }, /* special container */
  { FOURCC_ctab, "color table",		0, },
  { FOURCC_tkhd, "track header",	0,
  	qtdemux_dump_tkhd },
  { FOURCC_crgn, "clipping region",	0, },
  { FOURCC_matt, "track matte",		QT_CONTAINER, },
  { FOURCC_kmat, "compressed matte",	0, },
  { FOURCC_edts, "edit",		QT_CONTAINER, },
  { FOURCC_elst, "edit list",		0,
  	qtdemux_dump_elst },
  { FOURCC_load, "track load settings",	0, },
  { FOURCC_tref, "track reference",	QT_CONTAINER, },
  { FOURCC_imap, "track input map",	QT_CONTAINER, },
  { FOURCC___in, "track input",		0, }, /* special container */
  { FOURCC___ty, "input type",		0, },
  { FOURCC_mdia, "media",		QT_CONTAINER },
  { FOURCC_mdhd, "media header",	0,
  	qtdemux_dump_mdhd },
  { FOURCC_hdlr, "handler reference",	0,
  	qtdemux_dump_hdlr },
  { FOURCC_minf, "media information",	QT_CONTAINER },
  { FOURCC_vmhd, "video media information", 0,
  	qtdemux_dump_vmhd },
  { FOURCC_smhd, "sound media information", 0 },
  { FOURCC_gmhd, "base media information header", 0 },
  { FOURCC_gmin, "base media info",	0 },
  { FOURCC_dinf, "data information",	QT_CONTAINER },
  { FOURCC_dref, "data reference",	0,
  	qtdemux_dump_dref },
  { FOURCC_stbl, "sample table",	QT_CONTAINER },
  { FOURCC_stsd, "sample description",	0,
  	qtdemux_dump_stsd },
  { FOURCC_stts, "time-to-sample",	0,
  	qtdemux_dump_stts },
  { FOURCC_stss, "sync sample",		0,
  	qtdemux_dump_stss },
  { FOURCC_stsc, "sample-to-chunk",	0,
  	qtdemux_dump_stsc },
  { FOURCC_stsz, "sample size",		0,
  	qtdemux_dump_stsz },
  { FOURCC_stco, "chunk offset",	0,
  	qtdemux_dump_stco },
  { FOURCC_co64, "64-bit chunk offset",	0,
  	qtdemux_dump_co64 },
  { FOURCC_vide, "video media",		0 },
717 718 719 720 721
  { FOURCC_cmov, "compressed movie",	QT_CONTAINER },
  { FOURCC_dcom, "compressed data",	0,
  	qtdemux_dump_dcom },
  { FOURCC_cmvd, "compressed movie data", 0,
  	qtdemux_dump_cmvd },
722 723 724 725 726
  { 0, "unknown", 0 },
};
static int n_qt_node_types = sizeof(qt_node_types)/sizeof(qt_node_types[0]);


727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769
static void *qtdemux_zalloc(void *opaque, unsigned int items, unsigned int size)
{
  return g_malloc(items*size);
}

static void qtdemux_zfree(void *opaque, void *addr)
{
  g_free(addr);
}

static void *qtdemux_inflate(void *z_buffer, int z_length, int length)
{
  void *buffer;
  z_stream *z;
  int ret;

  z = g_new0(z_stream, 1);
  z->zalloc = qtdemux_zalloc;
  z->zfree = qtdemux_zfree;
  z->opaque = NULL;

  z->next_in = z_buffer;
  z->avail_in = z_length;

  buffer = g_malloc(length);
  ret = inflateInit(z);
  while(z->avail_in > 0){
    if(z->avail_out == 0){
      length += 1024;
      buffer = realloc(buffer, length);
      z->next_out = buffer + z->total_out;
      z->avail_out = 1024;
    }
    ret = inflate(z,Z_SYNC_FLUSH);
    if(ret != Z_OK)break;
  }
  if(ret != Z_STREAM_END){
    g_warning("inflate() returned %d\n",ret);
  }

  g_free(z);
  return buffer;
}
770 771

static void qtdemux_parse_moov(GstQTDemux *qtdemux, void *buffer, int length)
Artyom Baginski's avatar
Artyom Baginski committed
772
{
773
  GNode *cmov;
774 775 776 777 778

  qtdemux->moov_node = g_node_new(buffer);

  qtdemux_parse(qtdemux, qtdemux->moov_node, buffer, length);

779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806
  cmov = qtdemux_tree_get_child_by_type(qtdemux->moov_node, FOURCC_cmov);
  if(cmov){
    GNode *dcom;
    GNode *cmvd;

    dcom = qtdemux_tree_get_child_by_type(cmov, FOURCC_dcom);
    cmvd = qtdemux_tree_get_child_by_type(cmov, FOURCC_cmvd);

    if(QTDEMUX_FOURCC_GET(dcom->data+8) == GST_MAKE_FOURCC('z','l','i','b')){
      int uncompressed_length;
      int compressed_length;
      void *buf;
      
      uncompressed_length = QTDEMUX_GUINT32_GET(cmvd->data+8);
      compressed_length = QTDEMUX_GUINT32_GET(cmvd->data+4) - 12;
      g_print("length = %d\n",uncompressed_length);

      buf = qtdemux_inflate(cmvd->data + 12, compressed_length,
	  uncompressed_length);

      qtdemux->moov_node_compressed = qtdemux->moov_node;
      qtdemux->moov_node = g_node_new(buf);

      qtdemux_parse(qtdemux, qtdemux->moov_node, buf, uncompressed_length);
    }else{
      g_print("unknown header compression type\n");
    }
  }
Artyom Baginski's avatar
Artyom Baginski committed
807 808
}

809
static void qtdemux_parse(GstQTDemux *qtdemux, GNode *node, void *buffer, int length)
Artyom Baginski's avatar
Artyom Baginski committed
810
{
811 812 813 814 815 816 817
  guint32 fourcc;
  guint32 node_length;
  QtNodeType *type;
  void *end;

  //g_print("qtdemux_parse %p %d\n",buffer, length);

818 819
  node_length = QTDEMUX_GUINT32_GET(buffer);
  fourcc = QTDEMUX_FOURCC_GET(buffer+4);
820 821

  type = qtdemux_type_get(fourcc);
Artyom Baginski's avatar
Artyom Baginski committed
822
  
823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838
  //g_print("parsing '" GST_FOURCC_FORMAT "', length=%d\n",
      //GST_FOURCC_ARGS(fourcc), node_length);

  if(type->flags & QT_CONTAINER){
    void *buf;
    guint32 len;

    buf = buffer + 8;
    end = buffer + length;
    while(buf < end){
      GNode *child;

      if(buf + 8 >= end){
	/* FIXME: get annoyed */
	g_print("buffer overrun\n");
      }
839
      len = QTDEMUX_GUINT32_GET(buf);
840 841 842 843 844 845 846 847

      child = g_node_new(buf);
      g_node_append(node, child);
      qtdemux_parse(qtdemux, child, buf, len);

      buf += len;
    }
  }else{
848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867
#if 0
    if(fourcc == FOURCC_cmvd){
      int uncompressed_length;
      void *buf;
      
      uncompressed_length = QTDEMUX_GUINT32_GET(buffer+8);
      g_print("length = %d\n",uncompressed_length);

      buf = qtdemux_inflate(buffer + 12, node_length-12, uncompressed_length);

      end = buf + uncompressed_length;
      while(buf < end){
        GNode *child;
	guint32 len;

        if(buf + 8 >= end){
	  /* FIXME: get annoyed */
	  g_print("buffer overrun\n");
        }
        len = QTDEMUX_GUINT32_GET(buf);
868

869 870 871 872 873 874 875 876
        child = g_node_new(buf);
        g_node_append(node, child);
        qtdemux_parse(qtdemux, child, buf, len);

        buf += len;
      }
    }
#endif
Artyom Baginski's avatar
Artyom Baginski committed
877 878 879
  }
}

880
static QtNodeType *qtdemux_type_get(guint32 fourcc)
Artyom Baginski's avatar
Artyom Baginski committed
881
{
882 883 884 885 886 887 888
  int i;

  for(i=0;i<n_qt_node_types;i++){
    if(qt_node_types[i].fourcc == fourcc)
      return qt_node_types+i;
  }
  return qt_node_types+n_qt_node_types-1;
Artyom Baginski's avatar
Artyom Baginski committed
889 890
}

891
static gboolean qtdemux_node_dump_foreach(GNode *node, gpointer data)
Artyom Baginski's avatar
Artyom Baginski committed
892
{
893 894 895 896 897
  void *buffer = node->data;
  guint32 node_length;
  guint32 fourcc;
  QtNodeType *type;
  int depth;
Artyom Baginski's avatar
Artyom Baginski committed
898

899 900
  node_length = GUINT32_FROM_BE(*(guint32 *)buffer);
  fourcc = GUINT32_FROM_LE(*(guint32 *)(buffer+4));
Artyom Baginski's avatar
Artyom Baginski committed
901

902 903 904 905 906 907 908 909 910 911 912 913
  type = qtdemux_type_get(fourcc);

  depth = (g_node_depth(node)-1)*2;
  g_print("%*s'" GST_FOURCC_FORMAT "', [%d], %s\n",
      depth, "",
      GST_FOURCC_ARGS(fourcc),
      node_length,
      type->name);

  if(type->dump)type->dump(data, buffer, depth);

  return FALSE;
Artyom Baginski's avatar
Artyom Baginski committed
914 915
}

916
static void qtdemux_node_dump(GstQTDemux *qtdemux, GNode *node)
Artyom Baginski's avatar
Artyom Baginski committed
917
{
918 919
  g_node_traverse(qtdemux->moov_node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
      qtdemux_node_dump_foreach, qtdemux);
Artyom Baginski's avatar
Artyom Baginski committed
920 921
}

922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938
static void qtdemux_dump_mvhd(GstQTDemux *qtdemux, void *buffer, int depth)
{
  g_print("%*s  version/flags: %08x\n", depth, "", QTDEMUX_GUINT32_GET(buffer+8));
  g_print("%*s  creation time: %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+12));
  g_print("%*s  modify time:   %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+16));
  g_print("%*s  time scale:    1/%u sec\n", depth, "", QTDEMUX_GUINT32_GET(buffer+20));
  g_print("%*s  duration:      %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+24));
  g_print("%*s  pref. rate:    %g\n", depth, "", QTDEMUX_FP32_GET(buffer+28));
  g_print("%*s  pref. volume:  %g\n", depth, "", QTDEMUX_FP16_GET(buffer+32));
  g_print("%*s  preview time:  %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+80));
  g_print("%*s  preview dur.:  %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+84));
  g_print("%*s  poster time:   %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+88));
  g_print("%*s  select time:   %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+92));
  g_print("%*s  select dur.:   %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+96));
  g_print("%*s  current time:  %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+100));
  g_print("%*s  next track ID: %d\n", depth, "", QTDEMUX_GUINT32_GET(buffer+104));
}
Artyom Baginski's avatar
Artyom Baginski committed
939

940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966
static void qtdemux_dump_tkhd(GstQTDemux *qtdemux, void *buffer, int depth)
{
  g_print("%*s  version/flags: %08x\n", depth, "", QTDEMUX_GUINT32_GET(buffer+8));
  g_print("%*s  creation time: %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+12));
  g_print("%*s  modify time:   %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+16));
  g_print("%*s  track ID:      %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+20));
  g_print("%*s  duration:      %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+28));
  g_print("%*s  layer:         %u\n", depth, "", QTDEMUX_GUINT16_GET(buffer+36));
  g_print("%*s  alt group:     %u\n", depth, "", QTDEMUX_GUINT16_GET(buffer+38));
  g_print("%*s  volume:        %g\n", depth, "", QTDEMUX_FP16_GET(buffer+44));
  g_print("%*s  track width:   %g\n", depth, "", QTDEMUX_FP32_GET(buffer+84));
  g_print("%*s  track height:  %g\n", depth, "", QTDEMUX_FP32_GET(buffer+88));

}

static void qtdemux_dump_elst(GstQTDemux *qtdemux, void *buffer, int depth)
{
  int i;
  int n;

  g_print("%*s  version/flags: %08x\n", depth, "", QTDEMUX_GUINT32_GET(buffer+8));
  g_print("%*s  n entries:     %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+12));
  n = QTDEMUX_GUINT32_GET(buffer+12);
  for(i=0;i<n;i++){
    g_print("%*s    track dur:     %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+16+i*12));
    g_print("%*s    media time:    %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+20+i*12));
    g_print("%*s    media rate:    %g\n", depth, "", QTDEMUX_FP32_GET(buffer+24+i*12));
Artyom Baginski's avatar
Artyom Baginski committed
967 968 969
  }
}

970
static void qtdemux_dump_mdhd(GstQTDemux *qtdemux, void *buffer, int depth)
Artyom Baginski's avatar
Artyom Baginski committed
971
{
972 973 974 975 976 977 978 979
  g_print("%*s  version/flags: %08x\n", depth, "", QTDEMUX_GUINT32_GET(buffer+8));
  g_print("%*s  creation time: %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+12));
  g_print("%*s  modify time:   %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+16));
  g_print("%*s  time scale:    1/%u sec\n", depth, "", QTDEMUX_GUINT32_GET(buffer+20));
  g_print("%*s  duration:      %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+24));
  g_print("%*s  language:      %u\n", depth, "", QTDEMUX_GUINT16_GET(buffer+28));
  g_print("%*s  quality:       %u\n", depth, "", QTDEMUX_GUINT16_GET(buffer+30));

Artyom Baginski's avatar
Artyom Baginski committed
980 981
}

982
static void qtdemux_dump_hdlr(GstQTDemux *qtdemux, void *buffer, int depth)
Artyom Baginski's avatar
Artyom Baginski committed
983
{
984 985 986 987 988 989 990 991 992 993 994
  g_print("%*s  version/flags: %08x\n", depth, "", QTDEMUX_GUINT32_GET(buffer+8));
  g_print("%*s  type:          " GST_FOURCC_FORMAT "\n", depth, "",
      GST_FOURCC_ARGS(QTDEMUX_FOURCC_GET(buffer+12)));
  g_print("%*s  subtype:       " GST_FOURCC_FORMAT "\n", depth, "",
      GST_FOURCC_ARGS(QTDEMUX_FOURCC_GET(buffer+16)));
  g_print("%*s  manufacturer:  " GST_FOURCC_FORMAT "\n", depth, "",
      GST_FOURCC_ARGS(QTDEMUX_FOURCC_GET(buffer+20)));
  g_print("%*s  flags:         %08x\n", depth, "", QTDEMUX_GUINT32_GET(buffer+24));
  g_print("%*s  flags mask:    %08x\n", depth, "", QTDEMUX_GUINT32_GET(buffer+28));
  g_print("%*s  name:          %*s\n", depth, "",
      QTDEMUX_GUINT8_GET(buffer+32), (char *)(buffer+33));
Artyom Baginski's avatar
Artyom Baginski committed
995 996 997

}

998
static void qtdemux_dump_vmhd(GstQTDemux *qtdemux, void *buffer, int depth)
Artyom Baginski's avatar
Artyom Baginski committed
999
{
1000 1001 1002
  g_print("%*s  version/flags: %08x\n", depth, "", QTDEMUX_GUINT32_GET(buffer+8));
  g_print("%*s  mode/color:    %08x\n", depth, "", QTDEMUX_GUINT32_GET(buffer+16));
}
Artyom Baginski's avatar
Artyom Baginski committed
1003

1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018
static void qtdemux_dump_dref(GstQTDemux *qtdemux, void *buffer, int depth)
{
  int n;
  int i;
  int offset;

  g_print("%*s  version/flags: %08x\n", depth, "", QTDEMUX_GUINT32_GET(buffer+8));
  g_print("%*s  n entries:     %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+12));
  n = QTDEMUX_GUINT32_GET(buffer+12);
  offset = 16;
  for(i=0;i<n;i++){
    g_print("%*s    size:          %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+offset));
    g_print("%*s    type:          " GST_FOURCC_FORMAT "\n", depth, "",
	GST_FOURCC_ARGS(QTDEMUX_FOURCC_GET(buffer+offset+4)));
    offset += QTDEMUX_GUINT32_GET(buffer+offset);
Artyom Baginski's avatar
Artyom Baginski committed
1019 1020 1021
  }
}

1022
static void qtdemux_dump_stsd(GstQTDemux *qtdemux, void *buffer, int depth)
Artyom Baginski's avatar
Artyom Baginski committed
1023
{
1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055
  int i;
  int n;
  int offset;

  g_print("%*s  version/flags: %08x\n", depth, "", QTDEMUX_GUINT32_GET(buffer+8));
  g_print("%*s  n entries:     %d\n", depth, "", QTDEMUX_GUINT32_GET(buffer+12));
  n = QTDEMUX_GUINT32_GET(buffer+12);
  offset = 16;
  for(i=0;i<n;i++){
    g_print("%*s    size:          %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+offset));
    g_print("%*s    type:          " GST_FOURCC_FORMAT "\n", depth, "",
	GST_FOURCC_ARGS(QTDEMUX_FOURCC_GET(buffer+offset+4)));
    g_print("%*s    data reference:%d\n", depth, "", QTDEMUX_GUINT16_GET(buffer+offset+14));

    g_print("%*s    version/rev.:  %08x\n", depth, "", QTDEMUX_GUINT32_GET(buffer+offset+16));
    g_print("%*s    vendor:        " GST_FOURCC_FORMAT "\n", depth, "",
	GST_FOURCC_ARGS(QTDEMUX_FOURCC_GET(buffer+offset+20)));
    g_print("%*s    temporal qual: %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+offset+24));
    g_print("%*s    spatial qual:  %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+offset+28));
    g_print("%*s    width:         %u\n", depth, "", QTDEMUX_GUINT16_GET(buffer+offset+32));
    g_print("%*s    height:        %u\n", depth, "", QTDEMUX_GUINT16_GET(buffer+offset+34));
    g_print("%*s    horiz. resol:  %g\n", depth, "", QTDEMUX_FP32_GET(buffer+offset+36));
    g_print("%*s    vert. resol.:  %g\n", depth, "", QTDEMUX_FP32_GET(buffer+offset+40));
    g_print("%*s    data size:     %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+offset+44));
    g_print("%*s    frame count:   %u\n", depth, "", QTDEMUX_GUINT16_GET(buffer+offset+48));
    g_print("%*s    compressor:    %*s\n", depth, "",
	QTDEMUX_GUINT8_GET(buffer+offset+49), (char *)(buffer+offset+51));
    g_print("%*s    depth:         %u\n", depth, "", QTDEMUX_GUINT16_GET(buffer+offset+82));
    g_print("%*s    color table ID:%u\n", depth, "", QTDEMUX_GUINT16_GET(buffer+offset+84));

    offset += QTDEMUX_GUINT32_GET(buffer+offset);
  }
Artyom Baginski's avatar
Artyom Baginski committed
1056 1057
}

1058
static void qtdemux_dump_stts(GstQTDemux *qtdemux, void *buffer, int depth)
Artyom Baginski's avatar
Artyom Baginski committed
1059
{
1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073
  int i;
  int n;
  int offset;

  g_print("%*s  version/flags: %08x\n", depth, "", QTDEMUX_GUINT32_GET(buffer+8));
  g_print("%*s  n entries:     %d\n", depth, "", QTDEMUX_GUINT32_GET(buffer+12));
  n = QTDEMUX_GUINT32_GET(buffer+12);
  offset = 16;
  for(i=0;i<n;i++){
    g_print("%*s    count:         %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+offset));
    g_print("%*s    duration:      %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+offset + 4));

    offset += 8;
  }
Artyom Baginski's avatar
Artyom Baginski committed
1074
}
1075 1076

static void qtdemux_dump_stss(GstQTDemux *qtdemux, void *buffer, int depth)
Artyom Baginski's avatar
Artyom Baginski committed
1077
{
1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090
  int i;
  int n;
  int offset;

  g_print("%*s  version/flags: %08x\n", depth, "", QTDEMUX_GUINT32_GET(buffer+8));
  g_print("%*s  n entries:     %d\n", depth, "", QTDEMUX_GUINT32_GET(buffer+12));
  n = QTDEMUX_GUINT32_GET(buffer+12);
  offset = 16;
  for(i=0;i<n;i++){
    g_print("%*s    sample:        %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+offset));

    offset += 4;
  }
Artyom Baginski's avatar
Artyom Baginski committed
1091 1092
}

1093
static void qtdemux_dump_stsc(GstQTDemux *qtdemux, void *buffer, int depth)
Artyom Baginski's avatar
Artyom Baginski committed
1094
{
1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109
  int i;
  int n;
  int offset;

  g_print("%*s  version/flags: %08x\n", depth, "", QTDEMUX_GUINT32_GET(buffer+8));
  g_print("%*s  n entries:     %d\n", depth, "", QTDEMUX_GUINT32_GET(buffer+12));
  n = QTDEMUX_GUINT32_GET(buffer+12);
  offset = 16;
  for(i=0;i<n;i++){
    g_print("%*s    first chunk:   %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+offset));
    g_print("%*s    sample per ch: %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+offset+4));
    g_print("%*s    sample desc id:%08x\n", depth, "", QTDEMUX_GUINT32_GET(buffer+offset+8));

    offset += 12;
  }
Artyom Baginski's avatar
Artyom Baginski committed
1110 1111
}

1112
static void qtdemux_dump_stsz(GstQTDemux *qtdemux, void *buffer, int depth)
Artyom Baginski's avatar
Artyom Baginski committed
1113
{
1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131
  int i;
  int n;
  int offset;
  int sample_size;

  g_print("%*s  version/flags: %08x\n", depth, "", QTDEMUX_GUINT32_GET(buffer+8));
  g_print("%*s  sample size:   %d\n", depth, "", QTDEMUX_GUINT32_GET(buffer+12));
  sample_size = QTDEMUX_GUINT32_GET(buffer+12);
  if(sample_size == 0){
    g_print("%*s  n entries:     %d\n", depth, "", QTDEMUX_GUINT32_GET(buffer+16));
    n = QTDEMUX_GUINT32_GET(buffer+16);
    offset = 20;
    for(i=0;i<n;i++){
      g_print("%*s    sample size:   %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+offset));

      offset += 4;
    }
  }
Artyom Baginski's avatar
Artyom Baginski committed
1132 1133
}

1134
static void qtdemux_dump_stco(GstQTDemux *qtdemux, void *buffer, int depth)
Artyom Baginski's avatar
Artyom Baginski committed
1135
{
1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148
  int i;
  int n;
  int offset;

  g_print("%*s  version/flags: %08x\n", depth, "", QTDEMUX_GUINT32_GET(buffer+8));
  g_print("%*s  n entries:     %d\n", depth, "", QTDEMUX_GUINT32_GET(buffer+12));
  n = QTDEMUX_GUINT32_GET(buffer+12);
  offset = 16;
  for(i=0;i<n;i++){
    g_print("%*s    chunk offset:  %u\n", depth, "", QTDEMUX_GUINT32_GET(buffer+offset));

    offset += 4;
  }
Artyom Baginski's avatar
Artyom Baginski committed
1149 1150
}

1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167
static void qtdemux_dump_co64(GstQTDemux *qtdemux, void *buffer, int depth)
{
  int i;
  int n;
  int offset;

  g_print("%*s  version/flags: %08x\n", depth, "", QTDEMUX_GUINT32_GET(buffer+8));
  g_print("%*s  n entries:     %d\n", depth, "", QTDEMUX_GUINT32_GET(buffer+12));
  n = QTDEMUX_GUINT32_GET(buffer+12);
  offset = 16;
  for(i=0;i<n;i++){
    g_print("%*s    chunk offset:  %" G_GUINT64_FORMAT "\n", depth, "", QTDEMUX_GUINT64_GET(buffer+offset));

    offset += 8;
  }
}

1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178
static void qtdemux_dump_dcom(GstQTDemux *qtdemux, void *buffer, int depth)
{
  g_print("%*s  compression type: " GST_FOURCC_FORMAT "\n", depth, "",
      GST_FOURCC_ARGS(QTDEMUX_FOURCC_GET(buffer+8)));
}

static void qtdemux_dump_cmvd(GstQTDemux *qtdemux, void *buffer, int depth)
{
  g_print("%*s  length: %d\n", depth, "", QTDEMUX_GUINT32_GET(buffer+8));
}

1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223

static GNode *qtdemux_tree_get_child_by_type(GNode *node, guint32 fourcc)
{
  GNode *child;
  void *buffer;
  guint32 child_fourcc;

  for(child = g_node_first_child(node); child; child = g_node_next_sibling(child)){
    buffer = child->data;

    child_fourcc = GUINT32_FROM_LE(*(guint32 *)(buffer+4));

    if(child_fourcc == fourcc){
      return child;
    }
  }
  return NULL;
}

static GNode *qtdemux_tree_get_sibling_by_type(GNode *node, guint32 fourcc)
{
  GNode *child;
  void *buffer;
  guint32 child_fourcc;

  for(child = g_node_next_sibling(node); child; child = g_node_next_sibling(child)){
    buffer = child->data;

    child_fourcc = GUINT32_FROM_LE(*(guint32 *)(buffer+4));

    if(child_fourcc == fourcc){
      return child;
    }
  }
  return NULL;
}

static void qtdemux_parse_trak(GstQTDemux *qtdemux, GNode *trak);

static void qtdemux_parse_tree(GstQTDemux *qtdemux)
{
  GNode *mvhd;
  GNode *trak;

  mvhd = qtdemux_tree_get_child_by_type(qtdemux->moov_node, FOURCC_mvhd);
1224 1225 1226 1227
  if(mvhd==NULL){
    g_print("No mvhd node found.\n");
    return;
  }
1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306

  qtdemux->timescale = QTDEMUX_GUINT32_GET(mvhd->data + 20);
  qtdemux->duration = QTDEMUX_GUINT32_GET(mvhd->data + 24);

  g_print("timescale: %d\n", qtdemux->timescale);
  g_print("duration: %d\n", qtdemux->duration);

  trak = qtdemux_tree_get_child_by_type(qtdemux->moov_node, FOURCC_trak);
  qtdemux_parse_trak(qtdemux, trak);

  trak = qtdemux_tree_get_sibling_by_type(trak, FOURCC_trak);
  if(trak)qtdemux_parse_trak(qtdemux, trak);
}

static void qtdemux_parse_trak(GstQTDemux *qtdemux, GNode *trak)
{
  int offset;
  GNode *tkhd;
  GNode *mdia;
  GNode *mdhd;
  GNode *hdlr;
  GNode *minf;
  GNode *stbl;
  GNode *stsd;
  GNode *stsc;
  GNode *stsz;
  GNode *stco;
  GNode *co64;
  GNode *stts;
  int n_samples;
  QtDemuxSample *samples;
  int n_samples_per_chunk;
  int index;
  int i,j,k;
  QtDemuxStream *stream;
  int n_sample_times;
  guint64 timestamp;
  int sample_size;
  int sample_index;

  stream = g_new0(QtDemuxStream,1);

  tkhd = qtdemux_tree_get_child_by_type(trak, FOURCC_tkhd);
  g_assert(tkhd);

  /* track duration? */

  mdia = qtdemux_tree_get_child_by_type(trak, FOURCC_mdia);
  g_assert(mdia);

  mdhd = qtdemux_tree_get_child_by_type(mdia, FOURCC_mdhd);
  g_assert(mdhd);

  stream->timescale = QTDEMUX_GUINT32_GET(mdhd->data+20);
  
  hdlr = qtdemux_tree_get_child_by_type(mdia, FOURCC_hdlr);
  g_assert(hdlr);
  
  g_print("track type: " GST_FOURCC_FORMAT "\n",
      GST_FOURCC_ARGS(QTDEMUX_FOURCC_GET(hdlr->data+12)));
  g_print("track subtype: " GST_FOURCC_FORMAT "\n",
      GST_FOURCC_ARGS(QTDEMUX_FOURCC_GET(hdlr->data+16)));

  stream->subtype = QTDEMUX_FOURCC_GET(hdlr->data+16);

  minf = qtdemux_tree_get_child_by_type(mdia, FOURCC_minf);
  g_assert(minf);

  stbl = qtdemux_tree_get_child_by_type(minf, FOURCC_stbl);
  g_assert(stbl);

  stsd = qtdemux_tree_get_child_by_type(stbl, FOURCC_stsd);
  g_assert(stsd);

  if(stream->subtype == FOURCC_vide){
    offset = 16;
    g_print("st type:          " GST_FOURCC_FORMAT "\n",
	  GST_FOURCC_ARGS(QTDEMUX_FOURCC_GET(stsd->data+offset+4)));

1307 1308
    stream->width = QTDEMUX_GUINT16_GET(stsd->data+offset+32);
    stream->height = QTDEMUX_GUINT16_GET(stsd->data+offset+34);
1309
    stream->fps = 0.; /* this is filled in later */
1310

1311
    g_print("frame count:   %u\n", QTDEMUX_GUINT16_GET(stsd->data+offset+48));
1312 1313
    
    stream->caps = qtdemux_video_caps(qtdemux,
1314
        QTDEMUX_FOURCC_GET(stsd->data+offset+4));
1315 1316
    g_print("caps %s\n",gst_caps_to_string(stream->caps));
  }else if(stream->subtype == FOURCC_soun){
1317 1318
    int version;

1319 1320 1321 1322 1323
    g_print("st type:          " GST_FOURCC_FORMAT "\n",
	  GST_FOURCC_ARGS(QTDEMUX_FOURCC_GET(stsd->data+16+4)));

    offset = 32;
    g_print("version/rev:      %08x\n", QTDEMUX_GUINT32_GET(stsd->data+offset));
1324
    version = QTDEMUX_GUINT32_GET(stsd->data+offset);