qtdemux.c 61.9 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
#include <zlib.h>

29 30
GST_DEBUG_CATEGORY_EXTERN (qtdemux_debug);
#define GST_CAT_DEFAULT qtdemux_debug
31

32 33 34 35 36 37 38 39
#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
40

41 42 43
typedef struct _QtNode QtNode;
typedef struct _QtNodeType QtNodeType;
typedef struct _QtDemuxSample QtDemuxSample;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
44

45 46
//typedef struct _QtDemuxStream QtDemuxStream;

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
47 48
struct _QtNode
{
49 50 51 52 53
  guint32 type;
  gpointer data;
  int len;
};

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
54 55
struct _QtNodeType
{
56 57 58
  guint32 fourcc;
  char *name;
  int flags;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
59
  void (*dump) (GstQTDemux * qtdemux, void *buffer, int depth);
60 61
};

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
62 63
struct _QtDemuxSample
{
64 65 66 67 68
  int sample_index;
  int chunk;
  int size;
  guint32 offset;
  guint64 timestamp;
69
  guint64 duration;
70 71
};

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
72 73
struct _QtDemuxStream
{
74 75 76 77 78 79 80 81
  guint32 subtype;
  GstCaps *caps;
  GstPad *pad;
  int n_samples;
  QtDemuxSample *samples;
  int timescale;

  int sample_index;
82 83 84

  int width;
  int height;
85
  float fps;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
86

87 88
  double rate;
  int n_channels;
89
  guint bytes_per_frame;
90
  guint compression;
91
  guint samples_per_packet;
92 93
};

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
94 95
enum QtDemuxState
{
96 97
  QTDEMUX_STATE_NULL,
  QTDEMUX_STATE_HEADER,
98
  QTDEMUX_STATE_HEADER_SEEKING,
99 100 101 102 103 104
  QTDEMUX_STATE_SEEKING,
  QTDEMUX_STATE_MOVIE,
  QTDEMUX_STATE_SEEKING_EOS,
  QTDEMUX_STATE_EOS,
};

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
105 106
static GNode *qtdemux_tree_get_child_by_type (GNode * node, guint32 fourcc);
static GNode *qtdemux_tree_get_sibling_by_type (GNode * node, guint32 fourcc);
107

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
108
static GstElementDetails gst_qtdemux_details = {
109 110 111
  "QuickTime Demuxer",
  "Codec/Demuxer",
  "Demultiplex a QuickTime file into audio and video streams",
112
  "David Schleef <ds@schleef.org>"
Artyom Baginski's avatar
Artyom Baginski committed
113 114
};

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
115 116
enum
{
Artyom Baginski's avatar
Artyom Baginski committed
117 118 119
  LAST_SIGNAL
};

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
120 121
enum
{
Artyom Baginski's avatar
Artyom Baginski committed
122 123 124
  ARG_0
};

David Schleef's avatar
David Schleef committed
125
static GstStaticPadTemplate gst_qtdemux_sink_template =
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
126 127 128 129 130
GST_STATIC_PAD_TEMPLATE ("sink",
    GST_PAD_SINK,
    GST_PAD_SOMETIMES,
    GST_STATIC_CAPS ("video/quicktime")
    );
David Schleef's avatar
David Schleef committed
131 132

static GstStaticPadTemplate gst_qtdemux_videosrc_template =
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
133 134 135 136
GST_STATIC_PAD_TEMPLATE ("audio_%02d",
    GST_PAD_SRC,
    GST_PAD_SOMETIMES,
    GST_STATIC_CAPS_ANY);
David Schleef's avatar
David Schleef committed
137 138

static GstStaticPadTemplate gst_qtdemux_audiosrc_template =
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
139 140 141 142
GST_STATIC_PAD_TEMPLATE ("video_%02d",
    GST_PAD_SRC,
    GST_PAD_SOMETIMES,
    GST_STATIC_CAPS_ANY);
Artyom Baginski's avatar
Artyom Baginski committed
143

144
static GstElementClass *parent_class = NULL;
Artyom Baginski's avatar
Artyom Baginski committed
145

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165
static void gst_qtdemux_class_init (GstQTDemuxClass * klass);
static void gst_qtdemux_base_init (GstQTDemuxClass * klass);
static void gst_qtdemux_init (GstQTDemux * quicktime_demux);
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);
static GstCaps *qtdemux_video_caps (GstQTDemux * qtdemux, guint32 fourcc,
    const guint8 * stsd_data);
static GstCaps *qtdemux_audio_caps (GstQTDemux * qtdemux, guint32 fourcc,
    const guint8 * data);

static GType
gst_qtdemux_get_type (void)
Artyom Baginski's avatar
Artyom Baginski committed
166 167 168 169 170
{
  static GType qtdemux_type = 0;

  if (!qtdemux_type) {
    static const GTypeInfo qtdemux_info = {
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
171 172 173 174 175
      sizeof (GstQTDemuxClass),
      (GBaseInitFunc) gst_qtdemux_base_init, NULL,
      (GClassInitFunc) gst_qtdemux_class_init,
      NULL, NULL, sizeof (GstQTDemux), 0,
      (GInstanceInitFunc) gst_qtdemux_init,
Artyom Baginski's avatar
Artyom Baginski committed
176
    };
177

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
178
    qtdemux_type =
179 180
        g_type_register_static (GST_TYPE_ELEMENT, "GstQTDemux", &qtdemux_info,
        0);
Artyom Baginski's avatar
Artyom Baginski committed
181 182 183 184
  }
  return qtdemux_type;
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
185 186
static void
gst_qtdemux_base_init (GstQTDemuxClass * klass)
187 188 189 190
{
  GstElementClass *element_class = GST_ELEMENT_CLASS (klass);

  gst_element_class_add_pad_template (element_class,
David Schleef's avatar
David Schleef committed
191 192 193 194 195
      gst_static_pad_template_get (&gst_qtdemux_sink_template));
  gst_element_class_add_pad_template (element_class,
      gst_static_pad_template_get (&gst_qtdemux_videosrc_template));
  gst_element_class_add_pad_template (element_class,
      gst_static_pad_template_get (&gst_qtdemux_audiosrc_template));
196
  gst_element_class_set_details (element_class, &gst_qtdemux_details);
David Schleef's avatar
David Schleef committed
197

198 199
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
200 201
static void
gst_qtdemux_class_init (GstQTDemuxClass * klass)
Artyom Baginski's avatar
Artyom Baginski committed
202 203 204 205
{
  GObjectClass *gobject_class;
  GstElementClass *gstelement_class;

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
206 207
  gobject_class = (GObjectClass *) klass;
  gstelement_class = (GstElementClass *) klass;
Artyom Baginski's avatar
Artyom Baginski committed
208 209 210 211 212 213

  parent_class = g_type_class_ref (GST_TYPE_ELEMENT);

  gstelement_class->change_state = gst_qtdemux_change_state;
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
214 215
static void
gst_qtdemux_init (GstQTDemux * qtdemux)
Artyom Baginski's avatar
Artyom Baginski committed
216
{
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
217 218 219
  qtdemux->sinkpad =
      gst_pad_new_from_template (gst_static_pad_template_get
      (&gst_qtdemux_sink_template), "sink");
David Schleef's avatar
David Schleef committed
220 221
  gst_element_set_loop_function (GST_ELEMENT (qtdemux),
      gst_qtdemux_loop_header);
Artyom Baginski's avatar
Artyom Baginski committed
222 223 224
  gst_element_add_pad (GST_ELEMENT (qtdemux), qtdemux->sinkpad);
}

225
static const GstFormat *
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
226
gst_qtdemux_get_src_formats (GstPad * pad)
227 228 229 230 231 232 233 234 235 236 237 238
{
  static const GstFormat src_a_formats[] = {
    GST_FORMAT_TIME,
    GST_FORMAT_BYTES,
    GST_FORMAT_DEFAULT,
    0
  };
  static const GstFormat src_v_formats[] = {
    GST_FORMAT_TIME,
    GST_FORMAT_DEFAULT,
    0
  };
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
239
  QtDemuxStream *stream = gst_pad_get_element_private (pad);
240

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
241 242
  return (stream->subtype == GST_MAKE_FOURCC ('v', 'i', 'd', 'e')) ?
      src_v_formats : src_a_formats;
243 244 245
}

static gboolean
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
246 247
gst_qtdemux_src_convert (GstPad * pad, GstFormat src_format, gint64 src_value,
    GstFormat * dest_format, gint64 * dest_value)
248 249
{
  gboolean res = TRUE;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
250
  QtDemuxStream *stream = gst_pad_get_element_private (pad);
251

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
252
  if (stream->subtype == GST_MAKE_FOURCC ('v', 'i', 'd', 'e') &&
253 254 255 256 257 258
      (src_format == GST_FORMAT_BYTES || *dest_format == GST_FORMAT_BYTES))
    return FALSE;

  switch (src_format) {
    case GST_FORMAT_TIME:
      switch (*dest_format) {
259 260 261 262 263 264 265 266 267
        case GST_FORMAT_BYTES:
          *dest_value = src_value * 1;  /* FIXME */
          break;
        case GST_FORMAT_DEFAULT:
          *dest_value = src_value * 1;  /* FIXME */
          break;
        default:
          res = FALSE;
          break;
268 269 270 271
      }
      break;
    case GST_FORMAT_BYTES:
      switch (*dest_format) {
272 273 274 275 276 277
        case GST_FORMAT_TIME:
          *dest_value = src_value * 1;  /* FIXME */
          break;
        default:
          res = FALSE;
          break;
278 279 280 281
      }
      break;
    case GST_FORMAT_DEFAULT:
      switch (*dest_format) {
282 283 284 285 286 287
        case GST_FORMAT_TIME:
          *dest_value = src_value * 1;  /* FIXME */
          break;
        default:
          res = FALSE;
          break;
288 289 290 291 292 293 294 295 296 297
      }
      break;
    default:
      res = FALSE;
  }

  return res;
}

static const GstQueryType *
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
298
gst_qtdemux_get_src_query_types (GstPad * pad)
299 300 301 302 303 304 305 306 307 308 309
{
  static const GstQueryType src_types[] = {
    GST_QUERY_TOTAL,
    GST_QUERY_POSITION,
    0
  };

  return src_types;
}

static const GstEventMask *
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
310
gst_qtdemux_get_event_mask (GstPad * pad)
311 312
{
  static const GstEventMask masks[] = {
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
313 314
    {GST_EVENT_SEEK, GST_SEEK_METHOD_SET | GST_SEEK_FLAG_KEY_UNIT},
    {0,}
315 316 317 318 319 320
  };

  return masks;
}

static gboolean
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
321 322
gst_qtdemux_handle_src_query (GstPad * pad, GstQueryType type,
    GstFormat * format, gint64 * value)
323 324
{
  gboolean res = TRUE;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
325

326 327 328 329 330
  //QtDemuxStream *stream = gst_pad_get_element_private(pad);

  switch (type) {
    case GST_QUERY_TOTAL:
      switch (*format) {
331 332 333 334 335 336 337 338 339 340 341 342
        case GST_FORMAT_TIME:
          *value = 0;           /* FIXME */
          break;
        case GST_FORMAT_BYTES:
          *value = 0;           /* FIXME */
          break;
        case GST_FORMAT_DEFAULT:
          *value = 0;           /* FIXME */
          break;
        default:
          res = FALSE;
          break;
343 344 345 346
      }
      break;
    case GST_QUERY_POSITION:
      switch (*format) {
347 348 349 350 351 352 353 354 355 356 357 358
        case GST_FORMAT_TIME:
          *value = 0;           /* FIXME */
          break;
        case GST_FORMAT_BYTES:
          *value = 0;           /* FIXME */
          break;
        case GST_FORMAT_DEFAULT:
          *value = 0;           /* FIXME */
          break;
        default:
          res = FALSE;
          break;
359 360 361 362 363 364 365 366 367 368 369
      }
      break;
    default:
      res = FALSE;
      break;
  }

  return res;
}

static gboolean
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
370
gst_qtdemux_handle_src_event (GstPad * pad, GstEvent * event)
371 372
{
  gboolean res = TRUE;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
373

374 375 376 377 378 379 380
  //QtDemuxStream *stream = gst_pad_get_element_private(pad);

  switch (GST_EVENT_TYPE (event)) {
    case GST_EVENT_SEEK:
      GST_DEBUG ("seek format %d", GST_EVENT_SEEK_FORMAT (event));

      switch (GST_EVENT_SEEK_FORMAT (event)) {
381 382 383 384 385 386 387 388 389 390 391 392 393
        case GST_FORMAT_BYTES:
        case GST_FORMAT_DEFAULT:
        case GST_FORMAT_TIME:
        {
          gint64 desired_offset = GST_EVENT_SEEK_OFFSET (event);

          GST_DEBUG ("seeking to %" G_GINT64_FORMAT, desired_offset);

          res = FALSE;
        }
        default:
          res = FALSE;
          break;
394 395 396 397 398 399 400 401 402 403 404 405 406
      }
    default:
      res = FALSE;
      break;
  }

  gst_event_unref (event);

  return res;
}



407 408
GST_DEBUG_CATEGORY (qtdemux_debug);

Artyom Baginski's avatar
Artyom Baginski committed
409
static gboolean
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
410
plugin_init (GstPlugin * plugin)
Artyom Baginski's avatar
Artyom Baginski committed
411
{
412
  GST_DEBUG_CATEGORY_INIT (qtdemux_debug, "qtdemux", 0, "qtdemux plugin");
413

414 415 416
  if (!gst_library_load ("gstbytestream"))
    return FALSE;

417 418 419
  if (!gst_library_load ("gstgetbits"))
    return FALSE;

420
  return gst_element_register (plugin, "qtdemux",
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
421
      GST_RANK_PRIMARY, GST_TYPE_QTDEMUX);
Artyom Baginski's avatar
Artyom Baginski committed
422 423
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
424 425 426 427
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
    GST_VERSION_MINOR,
    "qtdemux",
    "Quicktime stream demuxer",
428
    plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
429

430 431
static gboolean
gst_qtdemux_handle_sink_event (GstQTDemux * qtdemux)
Artyom Baginski's avatar
Artyom Baginski committed
432 433
{
  guint32 remaining;
434
  GstEvent *event;
Artyom Baginski's avatar
Artyom Baginski committed
435 436
  GstEventType type;

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
437
  gst_bytestream_get_status (qtdemux->bs, &remaining, &event);
438

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
439
  type = event ? GST_EVENT_TYPE (event) : GST_EVENT_UNKNOWN;
440
  GST_DEBUG ("qtdemux: event %p %d", event, type);
Artyom Baginski's avatar
Artyom Baginski committed
441

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
442
  switch (type) {
Artyom Baginski's avatar
Artyom Baginski committed
443
    case GST_EVENT_EOS:
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
444 445
      gst_bytestream_flush (qtdemux->bs, remaining);
      gst_pad_event_default (qtdemux->sinkpad, event);
446 447
      return FALSE;
    case GST_EVENT_FLUSH:
448
      //g_warning("flush event");
Artyom Baginski's avatar
Artyom Baginski committed
449 450
      break;
    case GST_EVENT_DISCONTINUOUS:
451
      GST_DEBUG ("discontinuous event");
452 453
      //gst_bytestream_flush_fast(qtdemux->bs, remaining);
      break;
Artyom Baginski's avatar
Artyom Baginski committed
454
    default:
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
455
      g_warning ("unhandled event %d", type);
Artyom Baginski's avatar
Artyom Baginski committed
456 457
      break;
  }
458

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
459
  gst_event_unref (event);
Artyom Baginski's avatar
Artyom Baginski committed
460 461 462
  return TRUE;
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
463 464
static GstElementStateReturn
gst_qtdemux_change_state (GstElement * element)
465
{
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
466
  GstQTDemux *qtdemux = GST_QTDEMUX (element);
Artyom Baginski's avatar
Artyom Baginski committed
467

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
468
  switch (GST_STATE_TRANSITION (element)) {
469 470 471
    case GST_STATE_NULL_TO_READY:
      break;
    case GST_STATE_READY_TO_PAUSED:
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
472
      qtdemux->bs = gst_bytestream_new (qtdemux->sinkpad);
473 474 475 476 477 478 479 480
      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:
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
481
      gst_bytestream_destroy (qtdemux->bs);
482 483 484 485 486 487
      break;
    case GST_STATE_READY_TO_NULL:
      break;
    default:
      break;
  }
Artyom Baginski's avatar
Artyom Baginski committed
488

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
489
  return GST_ELEMENT_CLASS (parent_class)->change_state (element);
490
}
Artyom Baginski's avatar
Artyom Baginski committed
491

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
492 493
static void
gst_qtdemux_loop_header (GstElement * element)
494
{
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
495
  GstQTDemux *qtdemux = GST_QTDEMUX (element);
496 497 498 499 500 501 502 503 504
  guint8 *data;
  guint32 length;
  guint32 fourcc;
  GstBuffer *buf;
  int offset;
  int cur_offset;
  int size;
  int ret;

505 506
  /* FIXME _tell gets the offset wrong */
  //cur_offset = gst_bytestream_tell(qtdemux->bs);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
507

508
  cur_offset = qtdemux->offset;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
509 510 511 512 513 514
  GST_DEBUG ("loop at position %d", cur_offset);

  switch (qtdemux->state) {
    case QTDEMUX_STATE_HEADER:
    {
      do {
515 516 517 518 519 520 521 522
        ret = gst_bytestream_peek_bytes (qtdemux->bs, &data, 16);
        if (ret < 16) {
          if (!gst_qtdemux_handle_sink_event (qtdemux)) {
            return;
          }
        } else {
          break;
        }
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
523 524 525 526 527 528 529 530
      } while (1);

      length = GUINT32_FROM_BE (*(guint32 *) data);
      GST_DEBUG ("length %08x", length);
      fourcc = GUINT32_FROM_LE (*(guint32 *) (data + 4));
      GST_DEBUG ("fourcc " GST_FOURCC_FORMAT, GST_FOURCC_ARGS (fourcc));

      if (length == 0) {
531
        length = gst_bytestream_length (qtdemux->bs) - cur_offset;
532
      }
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
533
      if (length == 1) {
534
        guint32 length1, length2;
Artyom Baginski's avatar
Artyom Baginski committed
535

536 537 538 539
        length1 = GUINT32_FROM_BE (*(guint32 *) (data + 8));
        GST_DEBUG ("length1 %08x", length1);
        length2 = GUINT32_FROM_BE (*(guint32 *) (data + 12));
        GST_DEBUG ("length2 %08x", length2);
Jeremy Simon's avatar
Jeremy Simon committed
540

541
        length = length2;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
542 543 544
      }

      switch (fourcc) {
545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575
        case GST_MAKE_FOURCC ('m', 'd', 'a', 't'):
        case GST_MAKE_FOURCC ('f', 'r', 'e', 'e'):
        case GST_MAKE_FOURCC ('w', 'i', 'd', 'e'):
        case GST_MAKE_FOURCC ('P', 'I', 'C', 'T'):
        case GST_MAKE_FOURCC ('p', 'n', 'o', 't'):
          break;
        case GST_MAKE_FOURCC ('m', 'o', 'o', 'v'):
        {
          GstBuffer *moov;

          do {
            ret = gst_bytestream_read (qtdemux->bs, &moov, length);
            if (ret < length) {
              GST_DEBUG ("read failed (%d < %d)", ret, length);
              if (!gst_qtdemux_handle_sink_event (qtdemux)) {
                return;
              }
            } else {
              break;
            }
          } while (1);

          qtdemux_parse_moov (qtdemux, GST_BUFFER_DATA (moov), length);
          if (1)
            qtdemux_node_dump (qtdemux, qtdemux->moov_node);
          qtdemux_parse_tree (qtdemux);
          qtdemux->state = QTDEMUX_STATE_MOVIE;
          break;
        }
        default:
        {
576
          GST_LOG ("unknown %08x '" GST_FOURCC_FORMAT "' at %d",
577 578 579
              fourcc, GST_FOURCC_ARGS (fourcc), cur_offset);
          break;
        }
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
580 581
      }
      ret = gst_bytestream_seek (qtdemux->bs, cur_offset + length,
582
          GST_SEEK_METHOD_SET);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
583
      qtdemux->offset = cur_offset + length;
584
      GST_DEBUG ("seek returned %d", ret);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
585 586 587 588 589 590 591
      break;
    }
    case QTDEMUX_STATE_SEEKING_EOS:
    {
      guint8 *data;

      do {
592 593 594 595 596 597 598 599
        ret = gst_bytestream_peek_bytes (qtdemux->bs, &data, 1);
        if (ret < 1) {
          if (!gst_qtdemux_handle_sink_event (qtdemux)) {
            return;
          }
        } else {
          break;
        }
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
600 601
      } while (TRUE);
      gst_element_set_eos (element);
602

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
603 604
      qtdemux->state = QTDEMUX_STATE_EOS;
      return;
605
    }
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
606 607 608 609 610 611 612 613 614 615 616 617
    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++) {
618
        stream = qtdemux->streams[i];
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
619

620 621 622 623 624
        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;
        }
625
      }
Artyom Baginski's avatar
Artyom Baginski committed
626

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
627
      if (index == -1) {
628 629 630 631 632 633 634 635 636
        for (i = 0; i < qtdemux->n_streams; i++) {
          gst_pad_push (qtdemux->streams[i]->pad,
              GST_DATA (gst_event_new (GST_EVENT_EOS)));
        }
        ret = gst_bytestream_seek (qtdemux->bs, 0, GST_SEEK_METHOD_END);
        GST_DEBUG ("seek returned %d", ret);

        qtdemux->state = QTDEMUX_STATE_SEEKING_EOS;
        return;
637 638
      }

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
639
      stream = qtdemux->streams[index];
640

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
641 642
      offset = stream->samples[stream->sample_index].offset;
      size = stream->samples[stream->sample_index].size;
643

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
644
      GST_INFO
645 646 647
          ("pushing from stream %d, sample_index=%d offset=%d size=%d timestamp=%lld",
          index, stream->sample_index, offset, size,
          stream->samples[stream->sample_index].timestamp);
648

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
649 650
      cur_offset = gst_bytestream_tell (qtdemux->bs);
      if (offset != cur_offset) {
651
        GST_DEBUG ("seeking to offset %d", offset);
652
        GST_LOG ("seeking to offset %d", offset);
653 654 655
        ret = gst_bytestream_seek (qtdemux->bs, offset, GST_SEEK_METHOD_SET);
        GST_DEBUG ("seek returned %d", ret);
        return;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
656
      }
657

658
      GST_DEBUG ("reading %d bytes", size);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
659 660
      buf = NULL;
      do {
661 662 663 664 665 666 667 668 669
        ret = gst_bytestream_read (qtdemux->bs, &buf, size);
        if (ret < size) {
          GST_DEBUG ("read failed (%d < %d)", ret, size);
          if (!gst_qtdemux_handle_sink_event (qtdemux)) {
            return;
          }
        } else {
          break;
        }
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
670 671 672
      } while (TRUE);

      if (buf) {
673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690
        /* 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_caps_set_simple (stream->caps, "framerate", G_TYPE_DOUBLE, fps,
                NULL);
            stream->fps = fps;
            gst_pad_set_explicit_caps (stream->pad, stream->caps);
          }
        }

        GST_BUFFER_TIMESTAMP (buf) =
            stream->samples[stream->sample_index].timestamp;
        GST_BUFFER_DURATION (buf) =
            stream->samples[stream->sample_index].duration;
        gst_pad_push (stream->pad, GST_DATA (buf));

691
        GST_INFO ("pushing buffer on %" GST_PTR_FORMAT, stream->pad);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
692 693 694
      }
      stream->sample_index++;
      break;
Artyom Baginski's avatar
Artyom Baginski committed
695
    }
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
696 697 698
    default:
      /* unreached */
      g_assert (0);
699 700
  }

Artyom Baginski's avatar
Artyom Baginski committed
701 702
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
703 704
void
gst_qtdemux_add_stream (GstQTDemux * qtdemux, QtDemuxStream * stream)
Artyom Baginski's avatar
Artyom Baginski committed
705
{
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
706
  if (stream->subtype == GST_MAKE_FOURCC ('v', 'i', 'd', 'e')) {
707
    gchar *name = g_strdup_printf ("video_%02d", qtdemux->n_video_streams);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
708 709

    stream->pad =
710 711
        gst_pad_new_from_template (gst_static_pad_template_get
        (&gst_qtdemux_videosrc_template), name);
712
    g_free (name);
713
    stream->fps = 1. * GST_SECOND / stream->samples[0].duration;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
714 715
    if (stream->caps) {
      gst_caps_set_simple (stream->caps,
716 717 718
          "width", G_TYPE_INT, stream->width,
          "height", G_TYPE_INT, stream->height,
          "framerate", G_TYPE_DOUBLE, stream->fps, NULL);
719 720
    }
    qtdemux->n_video_streams++;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
721
  } else {
722
    gchar *name = g_strdup_printf ("audio_%02d", qtdemux->n_audio_streams);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
723 724

    stream->pad =
725 726
        gst_pad_new_from_template (gst_static_pad_template_get
        (&gst_qtdemux_audiosrc_template), name);
727
    g_free (name);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
728 729
    if (stream->caps) {
      gst_caps_set_simple (stream->caps,
730 731
          "rate", G_TYPE_INT, (int) stream->rate,
          "channels", G_TYPE_INT, stream->n_channels, NULL);
Artyom Baginski's avatar
Artyom Baginski committed
732
    }
733 734
    qtdemux->n_audio_streams++;
  }
735

736
  gst_pad_use_explicit_caps (stream->pad);
737

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
738
  GST_PAD_ELEMENT_PRIVATE (stream->pad) = stream;
739 740
  qtdemux->streams[qtdemux->n_streams] = stream;
  qtdemux->n_streams++;
741
  GST_DEBUG ("n_streams is now %d", qtdemux->n_streams);
742

743 744
  gst_pad_set_event_mask_function (stream->pad, gst_qtdemux_get_event_mask);
  gst_pad_set_event_function (stream->pad, gst_qtdemux_handle_src_event);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
745 746
  gst_pad_set_query_type_function (stream->pad,
      gst_qtdemux_get_src_query_types);
747 748 749 750
  gst_pad_set_query_function (stream->pad, gst_qtdemux_handle_src_query);
  gst_pad_set_formats_function (stream->pad, gst_qtdemux_get_src_formats);
  gst_pad_set_convert_function (stream->pad, gst_qtdemux_src_convert);

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
751
  gst_pad_set_explicit_caps (stream->pad, stream->caps);
752

753
  GST_DEBUG ("adding pad %p to qtdemux %p", stream->pad, qtdemux);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
754
  gst_element_add_pad (GST_ELEMENT (qtdemux), stream->pad);
Artyom Baginski's avatar
Artyom Baginski committed
755 756
}

757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796

#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')
797 798 799
#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')
800 801


Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817
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);
static void qtdemux_dump_dcom (GstQTDemux * qtdemux, void *buffer, int depth);
static void qtdemux_dump_cmvd (GstQTDemux * qtdemux, void *buffer, int depth);
818 819

QtNodeType qt_node_types[] = {
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
820 821 822 823 824
  {FOURCC_moov, "movie", QT_CONTAINER,},
  {FOURCC_mvhd, "movie header", 0,
      qtdemux_dump_mvhd},
  {FOURCC_clip, "clipping", QT_CONTAINER,},
  {FOURCC_trak, "track", QT_CONTAINER,},
825
  {FOURCC_udta, "user data", 0,},       /* special container */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
826 827 828 829 830 831 832 833 834 835 836 837
  {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,},
838
  {FOURCC___in, "track input", 0,},     /* special container */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875
  {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},
  {FOURCC_cmov, "compressed movie", QT_CONTAINER},
  {FOURCC_dcom, "compressed data", 0,
      qtdemux_dump_dcom},
  {FOURCC_cmvd, "compressed movie data", 0,
      qtdemux_dump_cmvd},
  {0, "unknown", 0},
876
};
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
877
static int n_qt_node_types = sizeof (qt_node_types) / sizeof (qt_node_types[0]);
878 879


Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
880 881
static void *
qtdemux_zalloc (void *opaque, unsigned int items, unsigned int size)
882
{
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
883
  return g_malloc (items * size);
884 885
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
886 887
static void
qtdemux_zfree (void *opaque, void *addr)
888
{
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
889
  g_free (addr);
890 891
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
892 893
static void *
qtdemux_inflate (void *z_buffer, int z_length, int length)
894 895 896 897 898
{
  void *buffer;
  z_stream *z;
  int ret;

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
899
  z = g_new0 (z_stream, 1);
900 901 902 903 904 905 906
  z->zalloc = qtdemux_zalloc;
  z->zfree = qtdemux_zfree;
  z->opaque = NULL;

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

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
907 908 909 910
  buffer = g_malloc (length);
  ret = inflateInit (z);
  while (z->avail_in > 0) {
    if (z->avail_out == 0) {
911
      length += 1024;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
912
      buffer = realloc (buffer, length);
913 914 915
      z->next_out = buffer + z->total_out;
      z->avail_out = 1024;
    }
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
916 917 918
    ret = inflate (z, Z_SYNC_FLUSH);
    if (ret != Z_OK)
      break;
919
  }
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
920 921
  if (ret != Z_STREAM_END) {
    g_warning ("inflate() returned %d\n", ret);
922 923
  }

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
924
  g_free (z);
925 926
  return buffer;
}
927

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
928 929
static void
qtdemux_parse_moov (GstQTDemux * qtdemux, void *buffer, int length)
Artyom Baginski's avatar
Artyom Baginski committed
930
{
931
  GNode *cmov;
932

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
933
  qtdemux->moov_node = g_node_new (buffer);
934

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
935
  qtdemux_parse (qtdemux, qtdemux->moov_node, buffer, length);
936

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
937 938
  cmov = qtdemux_tree_get_child_by_type (qtdemux->moov_node, FOURCC_cmov);
  if (cmov) {
939 940 941
    GNode *dcom;
    GNode *cmvd;

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
942 943
    dcom = qtdemux_tree_get_child_by_type (cmov, FOURCC_dcom);
    cmvd = qtdemux_tree_get_child_by_type (cmov, FOURCC_cmvd);
944

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
945
    if (QTDEMUX_FOURCC_GET (dcom->data + 8) == GST_MAKE_FOURCC ('z', 'l', 'i',
946
            'b')) {
947 948 949 950
      int uncompressed_length;
      int compressed_length;
      void *buf;

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
951 952
      uncompressed_length = QTDEMUX_GUINT32_GET (cmvd->data + 8);
      compressed_length = QTDEMUX_GUINT32_GET (cmvd->data + 4) - 12;
953
      GST_LOG ("length = %d", uncompressed_length);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
954 955

      buf = qtdemux_inflate (cmvd->data + 12, compressed_length,
956
          uncompressed_length);
957 958

      qtdemux->moov_node_compressed = qtdemux->moov_node;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
959
      qtdemux->moov_node = g_node_new (buf);
960

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
961 962
      qtdemux_parse (qtdemux, qtdemux->moov_node, buf, uncompressed_length);
    } else {
963
      GST_LOG ("unknown header compression type");
964 965
    }
  }
Artyom Baginski's avatar
Artyom Baginski committed
966 967
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
968 969
static void
qtdemux_parse (GstQTDemux * qtdemux, GNode * node, void *buffer, int length)
Artyom Baginski's avatar
Artyom Baginski committed
970
{
971 972 973 974 975
  guint32 fourcc;
  guint32 node_length;
  QtNodeType *type;
  void *end;

976
  GST_LOG ("qtdemux_parse %p %d", buffer, length);
977

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
978 979
  node_length = QTDEMUX_GUINT32_GET (buffer);
  fourcc = QTDEMUX_FOURCC_GET (buffer + 4);
980

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
981
  type = qtdemux_type_get (fourcc);
982

983
  GST_LOG ("parsing '" GST_FOURCC_FORMAT "', length=%d",
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
984 985 986
      GST_FOURCC_ARGS (fourcc), node_length);

  if (type->flags & QT_CONTAINER) {
987 988 989 990 991
    void *buf;
    guint32 len;

    buf = buffer + 8;
    end = buffer + length;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
992
    while (buf < end) {
993 994
      GNode *child;

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
995
      if (buf + 8 >= end) {
996
        /* FIXME: get annoyed */
997
        GST_LOG ("buffer overrun");
998
      }
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
999
      len = QTDEMUX_GUINT32_GET (buf);
1000

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
1001 1002 1003
      child = g_node_new (buf);
      g_node_append (node, child);
      qtdemux_parse (qtdemux, child, buf, len);
1004 1005 1006

      buf += len;
    }
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
1007
  } else {
1008
#if 0
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
1009
    if (fourcc == FOURCC_cmvd) {
1010 1011 1012
      int uncompressed_length;
      void *buf;

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
1013
      uncompressed_length = QTDEMUX_GUINT32_GET (buffer + 8);
1014
      GST_LOG ("length = %d", uncompressed_length);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
1015 1016

      buf =
1017
          qtdemux_inflate (buffer + 12, node_length - 12, uncompressed_length);
1018 1019

      end = buf + uncompressed_length;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
1020
      while (buf < end) {
1021 1022
        GNode *child;
        guint32 len;
1023

1024 1025
        if (buf + 8 >= end) {
          /* FIXME: get annoyed */
1026
          GST_LOG ("buffer overrun");
1027 1028
        }
        len = QTDEMUX_GUINT32_GET (buf);
1029

1030 1031 1032
        child = g_node_new (buf);
        g_node_append (node, child);
        qtdemux_parse (qtdemux, child, buf, len);
1033

1034
        buf += len;
1035 1036 1037
      }
    }
#endif
Artyom Baginski's avatar
Artyom Baginski committed
1038 1039 1040
  }
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
1041 1042
static QtNodeType *
qtdemux_type_get (guint32 fourcc)
Artyom Baginski's avatar
Artyom Baginski committed
1043
{
1044 1045
  int i;

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
1046 1047 1048
  for (i = 0; i < n_qt_node_types; i++) {
    if (qt_node_types[i].fourcc == fourcc)
      return qt_node_types + i;
1049
  }
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
1050
  return qt_node_types + n_qt_node_types - 1;
Artyom Baginski's avatar
Artyom Baginski committed
1051 1052
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
1053 1054
static gboolean
qtdemux_node_dump_foreach (GNode * node, gpointer data)
Artyom Baginski's avatar
Artyom Baginski committed
1055
{
1056 1057 1058 1059 1060
  void *buffer = node->data;
  guint32 node_length;
  guint32 fourcc;
  QtNodeType *type;
  int depth;
Artyom Baginski's avatar
Artyom Baginski committed
1061

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
1062 1063
  node_length = GUINT32_FROM_BE (*(guint32 *) buffer