qtdemux.c 87.9 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

26
#include <stdlib.h>
Artyom Baginski's avatar
Artyom Baginski committed
27
#include <string.h>
28 29
#include <zlib.h>

30 31
GST_DEBUG_CATEGORY_EXTERN (qtdemux_debug);
#define GST_CAT_DEFAULT qtdemux_debug
32

33
/* temporary hack */
34
#define gst_util_dump_mem(a,b)  /* */
35

36
#define QTDEMUX_GUINT32_GET(a)	(GST_READ_UINT32_BE(a))
37
#define QTDEMUX_GUINT24_GET(a)	(GST_READ_UINT32_BE(a) >> 8)
38
#define QTDEMUX_GUINT16_GET(a)	(GST_READ_UINT16_BE(a))
39
#define QTDEMUX_GUINT8_GET(a) (*(guint8 *)(a))
40 41 42
#define QTDEMUX_FP32_GET(a)	((GST_READ_UINT32_BE(a))/65536.0)
#define QTDEMUX_FP16_GET(a)	((GST_READ_UINT16_BE(a))/256.0)
#define QTDEMUX_FOURCC_GET(a)	(GST_READ_UINT32_LE(a))
43 44

#define QTDEMUX_GUINT64_GET(a) ((((guint64)QTDEMUX_GUINT32_GET(a))<<32)|QTDEMUX_GUINT32_GET(((void *)a)+4))
Artyom Baginski's avatar
Artyom Baginski committed
45

46 47 48
typedef struct _QtNode QtNode;
typedef struct _QtNodeType QtNodeType;
typedef struct _QtDemuxSample QtDemuxSample;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
49

50 51
//typedef struct _QtDemuxStream QtDemuxStream;

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
52 53
struct _QtNode
{
54 55 56 57 58
  guint32 type;
  gpointer data;
  int len;
};

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
59 60
struct _QtNodeType
{
61 62 63
  guint32 fourcc;
  char *name;
  int flags;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
64
  void (*dump) (GstQTDemux * qtdemux, void *buffer, int depth);
65 66
};

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
67 68
struct _QtDemuxSample
{
69 70 71 72 73
  int sample_index;
  int chunk;
  int size;
  guint32 offset;
  guint64 timestamp;
74
  guint64 duration;
75 76
};

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
77 78
struct _QtDemuxStream
{
79 80
  guint32 subtype;
  GstCaps *caps;
81
  guint32 fourcc;
82 83 84 85 86 87
  GstPad *pad;
  int n_samples;
  QtDemuxSample *samples;
  int timescale;

  int sample_index;
88 89 90

  int width;
  int height;
91
  float fps;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
92

93 94
  double rate;
  int n_channels;
95
  guint bytes_per_frame;
96
  guint compression;
97
  guint samples_per_packet;
98 99
};

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
100 101
enum QtDemuxState
{
102 103
  QTDEMUX_STATE_NULL,
  QTDEMUX_STATE_HEADER,
104
  QTDEMUX_STATE_HEADER_SEEKING,
105 106 107 108 109
  QTDEMUX_STATE_SEEKING,
  QTDEMUX_STATE_MOVIE,
  QTDEMUX_STATE_SEEKING_EOS,
};

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
110 111
static GNode *qtdemux_tree_get_child_by_type (GNode * node, guint32 fourcc);
static GNode *qtdemux_tree_get_sibling_by_type (GNode * node, guint32 fourcc);
112

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
113
static GstElementDetails gst_qtdemux_details = {
114 115 116
  "QuickTime Demuxer",
  "Codec/Demuxer",
  "Demultiplex a QuickTime file into audio and video streams",
117
  "David Schleef <ds@schleef.org>"
Artyom Baginski's avatar
Artyom Baginski committed
118 119
};

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
120 121
enum
{
122
  SIGNAL_REDIRECT,
Artyom Baginski's avatar
Artyom Baginski committed
123 124 125
  LAST_SIGNAL
};

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
126 127
enum
{
Artyom Baginski's avatar
Artyom Baginski committed
128 129 130
  ARG_0
};

David Schleef's avatar
David Schleef committed
131
static GstStaticPadTemplate gst_qtdemux_sink_template =
132
    GST_STATIC_PAD_TEMPLATE ("sink",
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
133
    GST_PAD_SINK,
134
    GST_PAD_ALWAYS,
135
    GST_STATIC_CAPS ("video/quicktime; audio/x-m4a; application/x-3gp")
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
136
    );
David Schleef's avatar
David Schleef committed
137 138

static GstStaticPadTemplate gst_qtdemux_videosrc_template =
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
139 140 141 142
GST_STATIC_PAD_TEMPLATE ("audio_%02d",
    GST_PAD_SRC,
    GST_PAD_SOMETIMES,
    GST_STATIC_CAPS_ANY);
David Schleef's avatar
David Schleef committed
143 144

static GstStaticPadTemplate gst_qtdemux_audiosrc_template =
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
145 146 147 148
GST_STATIC_PAD_TEMPLATE ("video_%02d",
    GST_PAD_SRC,
    GST_PAD_SOMETIMES,
    GST_STATIC_CAPS_ANY);
Artyom Baginski's avatar
Artyom Baginski committed
149

150
static guint qt_signals[LAST_SIGNAL] = { 0 };
151
static GstElementClass *parent_class = NULL;
Artyom Baginski's avatar
Artyom Baginski committed
152

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
153 154 155 156
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);
157 158 159
static void gst_qtdemux_loop_header (GstPad * pad);
static gboolean qtdemux_sink_activate (GstPad * sinkpad);
static gboolean qtdemux_sink_activate_pull (GstPad * sinkpad, gboolean active);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
160 161 162 163 164 165 166

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);
167
static void qtdemux_parse_udta (GstQTDemux * qtdemux, GNode * udta);
168
static void qtdemux_tag_add_str (GstQTDemux * qtdemux, const char *tag,
169
    GNode * node);
170 171 172 173 174
static void qtdemux_tag_add_num (GstQTDemux * qtdemux, const char *tag1,
    const char *tag2, GNode * node);
static void qtdemux_tag_add_gnre (GstQTDemux * qtdemux, const char *tag,
    GNode * node);

175 176
static void gst_qtdemux_handle_esds (GstQTDemux * qtdemux,
    QtDemuxStream * stream, GNode * esds);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
177
static GstCaps *qtdemux_video_caps (GstQTDemux * qtdemux, guint32 fourcc,
178
    const guint8 * stsd_data, const gchar ** codec_name);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
179
static GstCaps *qtdemux_audio_caps (GstQTDemux * qtdemux, guint32 fourcc,
180
    const guint8 * data, int len, const gchar ** codec_name);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
181 182 183

static GType
gst_qtdemux_get_type (void)
Artyom Baginski's avatar
Artyom Baginski committed
184 185 186 187 188
{
  static GType qtdemux_type = 0;

  if (!qtdemux_type) {
    static const GTypeInfo qtdemux_info = {
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
189 190 191 192 193
      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
194
    };
195

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
196
    qtdemux_type =
197 198
        g_type_register_static (GST_TYPE_ELEMENT, "GstQTDemux", &qtdemux_info,
        0);
Artyom Baginski's avatar
Artyom Baginski committed
199 200 201 202
  }
  return qtdemux_type;
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
203 204
static void
gst_qtdemux_base_init (GstQTDemuxClass * klass)
205 206 207 208
{
  GstElementClass *element_class = GST_ELEMENT_CLASS (klass);

  gst_element_class_add_pad_template (element_class,
David Schleef's avatar
David Schleef committed
209 210 211 212 213
      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));
214
  gst_element_class_set_details (element_class, &gst_qtdemux_details);
David Schleef's avatar
David Schleef committed
215

216 217
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
218 219
static void
gst_qtdemux_class_init (GstQTDemuxClass * klass)
Artyom Baginski's avatar
Artyom Baginski committed
220 221 222 223
{
  GObjectClass *gobject_class;
  GstElementClass *gstelement_class;

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
224 225
  gobject_class = (GObjectClass *) klass;
  gstelement_class = (GstElementClass *) klass;
Artyom Baginski's avatar
Artyom Baginski committed
226 227 228

  parent_class = g_type_class_ref (GST_TYPE_ELEMENT);

229 230 231 232 233 234
  qt_signals[SIGNAL_REDIRECT] = g_signal_new ("got-redirect",
      G_TYPE_FROM_CLASS (gobject_class), G_SIGNAL_RUN_LAST,
      G_STRUCT_OFFSET (GstQTDemuxClass, got_redirect),
      NULL, NULL, g_cclosure_marshal_VOID__STRING,
      G_TYPE_NONE, 1, G_TYPE_STRING);

Artyom Baginski's avatar
Artyom Baginski committed
235 236 237
  gstelement_class->change_state = gst_qtdemux_change_state;
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
238 239
static void
gst_qtdemux_init (GstQTDemux * qtdemux)
Artyom Baginski's avatar
Artyom Baginski committed
240
{
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
241 242 243
  qtdemux->sinkpad =
      gst_pad_new_from_template (gst_static_pad_template_get
      (&gst_qtdemux_sink_template), "sink");
244 245 246
  gst_pad_set_activate_function (qtdemux->sinkpad, qtdemux_sink_activate);
  gst_pad_set_activatepull_function (qtdemux->sinkpad,
      qtdemux_sink_activate_pull);
Artyom Baginski's avatar
Artyom Baginski committed
247
  gst_element_add_pad (GST_ELEMENT (qtdemux), qtdemux->sinkpad);
248

249
  qtdemux->state = QTDEMUX_STATE_HEADER;
250
  qtdemux->last_ts = GST_CLOCK_TIME_NONE;
251
  qtdemux->need_discont = TRUE;
252
  qtdemux->need_flush = FALSE;
Artyom Baginski's avatar
Artyom Baginski committed
253 254
}

255
#if 0
256
static gboolean
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
257 258
gst_qtdemux_src_convert (GstPad * pad, GstFormat src_format, gint64 src_value,
    GstFormat * dest_format, gint64 * dest_value)
259 260
{
  gboolean res = TRUE;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
261
  QtDemuxStream *stream = gst_pad_get_element_private (pad);
262

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
263
  if (stream->subtype == GST_MAKE_FOURCC ('v', 'i', 'd', 'e') &&
264 265 266 267 268 269
      (src_format == GST_FORMAT_BYTES || *dest_format == GST_FORMAT_BYTES))
    return FALSE;

  switch (src_format) {
    case GST_FORMAT_TIME:
      switch (*dest_format) {
270 271 272 273 274 275 276 277 278
        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;
279 280 281 282
      }
      break;
    case GST_FORMAT_BYTES:
      switch (*dest_format) {
283 284 285 286 287 288
        case GST_FORMAT_TIME:
          *dest_value = src_value * 1;  /* FIXME */
          break;
        default:
          res = FALSE;
          break;
289 290 291 292
      }
      break;
    case GST_FORMAT_DEFAULT:
      switch (*dest_format) {
293 294 295 296 297 298
        case GST_FORMAT_TIME:
          *dest_value = src_value * 1;  /* FIXME */
          break;
        default:
          res = FALSE;
          break;
299 300 301 302 303 304 305 306
      }
      break;
    default:
      res = FALSE;
  }

  return res;
}
307
#endif
308 309

static const GstQueryType *
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
310
gst_qtdemux_get_src_query_types (GstPad * pad)
311 312 313 314 315 316 317 318 319 320
{
  static const GstQueryType src_types[] = {
    GST_QUERY_POSITION,
    0
  };

  return src_types;
}

static gboolean
321
gst_qtdemux_handle_src_query (GstPad * pad, GstQuery * query)
322
{
323 324
  gboolean res = FALSE;
  GstQTDemux *qtdemux = GST_QTDEMUX (gst_pad_get_parent (pad));
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
325

326
  switch (GST_QUERY_TYPE (query)) {
327
    case GST_QUERY_POSITION:
328 329 330 331 332
      if (qtdemux->duration != 0 && qtdemux->timescale != 0 &&
          GST_CLOCK_TIME_IS_VALID (qtdemux->last_ts)) {
        gst_query_set_position (query, GST_FORMAT_TIME, qtdemux->last_ts,
            (guint64) qtdemux->duration * GST_SECOND / qtdemux->timescale);
        res = TRUE;
333 334 335 336 337 338 339 340 341 342 343
      }
      break;
    default:
      res = FALSE;
      break;
  }

  return res;
}

static gboolean
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
344
gst_qtdemux_handle_src_event (GstPad * pad, GstEvent * event)
345 346
{
  gboolean res = TRUE;
347
  GstQTDemux *qtdemux = GST_QTDEMUX (gst_pad_get_parent (pad));
348 349

  switch (GST_EVENT_TYPE (event)) {
350 351 352 353
    case GST_EVENT_SEEK:{
      GstFormat format;
      GstSeekFlags flags;
      gint64 desired_offset;
354

355 356 357 358 359 360
      gst_event_parse_seek (event, NULL, &format, &flags, NULL,
          &desired_offset, NULL, NULL);
      GST_DEBUG ("seek format %d", format);

      switch (format) {
        case GST_FORMAT_TIME:{
361 362
          gint i = 0, n;
          QtDemuxStream *stream = gst_pad_get_element_private (pad);
363 364 365

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

366 367 368 369 370
          if (!stream->n_samples) {
            res = FALSE;
            break;
          }

371 372 373
          gst_pad_event_default (pad, gst_event_new_flush_start ());
          GST_STREAM_LOCK (pad);

374 375 376 377 378 379 380 381 382 383
          /* resync to new time */
          for (n = 0; n < qtdemux->n_streams; n++) {
            QtDemuxStream *str = qtdemux->streams[n];

            for (i = 0; i < str->n_samples; i++) {
              if (str->samples[i].timestamp > desired_offset)
                break;
            }
            str->sample_index = i;
          }
384
          gst_pad_event_default (pad, gst_event_new_flush_stop ());
385
          qtdemux->need_discont = TRUE;
386 387 388 389 390 391 392
          qtdemux->need_flush = TRUE;

          /* and restart */
          gst_pad_start_task (qtdemux->sinkpad,
              (GstTaskFunction) gst_qtdemux_loop_header, qtdemux->sinkpad);

          GST_STREAM_UNLOCK (pad);
393
          break;
394 395 396 397
        }
        default:
          res = FALSE;
          break;
398
      }
399 400
      break;
    }
401 402 403 404 405 406 407 408 409 410
    default:
      res = FALSE;
      break;
  }

  gst_event_unref (event);

  return res;
}

411 412
GST_DEBUG_CATEGORY (qtdemux_debug);

Artyom Baginski's avatar
Artyom Baginski committed
413
static gboolean
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
414
plugin_init (GstPlugin * plugin)
Artyom Baginski's avatar
Artyom Baginski committed
415
{
416
  GST_DEBUG_CATEGORY_INIT (qtdemux_debug, "qtdemux", 0, "qtdemux plugin");
417

418
  return gst_element_register (plugin, "qtdemux",
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
419
      GST_RANK_PRIMARY, GST_TYPE_QTDEMUX);
Artyom Baginski's avatar
Artyom Baginski committed
420 421
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
422 423 424 425
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
    GST_VERSION_MINOR,
    "qtdemux",
    "Quicktime stream demuxer",
426
    plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
427

428
#if 0
429 430
static gboolean
gst_qtdemux_handle_sink_event (GstQTDemux * qtdemux)
Artyom Baginski's avatar
Artyom Baginski committed
431
{
432
  gboolean res = TRUE;
Artyom Baginski's avatar
Artyom Baginski committed
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) {
443 444 445
    case GST_EVENT_INTERRUPT:
      gst_event_unref (event);
      return FALSE;
Artyom Baginski's avatar
Artyom Baginski committed
446
    case GST_EVENT_EOS:
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
447 448
      gst_bytestream_flush (qtdemux->bs, remaining);
      gst_pad_event_default (qtdemux->sinkpad, event);
449 450
      return FALSE;
    case GST_EVENT_FLUSH:
Artyom Baginski's avatar
Artyom Baginski committed
451 452
      break;
    case GST_EVENT_DISCONTINUOUS:
453
      GST_DEBUG ("discontinuous event");
454 455
      //gst_bytestream_flush_fast(qtdemux->bs, remaining);
      break;
Artyom Baginski's avatar
Artyom Baginski committed
456
    default:
457 458
      gst_pad_event_default (qtdemux->sinkpad, event);
      return TRUE;
Artyom Baginski's avatar
Artyom Baginski committed
459
  }
460

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
461
  gst_event_unref (event);
462
  return res;
Artyom Baginski's avatar
Artyom Baginski committed
463
}
464
#endif
Artyom Baginski's avatar
Artyom Baginski committed
465

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
466 467
static GstElementStateReturn
gst_qtdemux_change_state (GstElement * element)
468
{
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
469
  GstQTDemux *qtdemux = GST_QTDEMUX (element);
Artyom Baginski's avatar
Artyom Baginski committed
470

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
471
  switch (GST_STATE_TRANSITION (element)) {
472 473 474
    case GST_STATE_PAUSED_TO_READY:{
      gint n;

475
      qtdemux->state = QTDEMUX_STATE_HEADER;
476
      qtdemux->last_ts = GST_CLOCK_TIME_NONE;
477
      qtdemux->need_discont = TRUE;
478
      qtdemux->need_flush = FALSE;
479 480 481 482
      if (qtdemux->tag_list) {
        gst_tag_list_free (qtdemux->tag_list);
        qtdemux->tag_list = NULL;
      }
483 484 485
      for (n = 0; n < qtdemux->n_streams; n++) {
        gst_element_remove_pad (element, qtdemux->streams[n]->pad);
        g_free (qtdemux->streams[n]->samples);
486
        gst_caps_unref (qtdemux->streams[n]->caps);
487 488 489
        g_free (qtdemux->streams[n]);
      }
      qtdemux->n_streams = 0;
490
      break;
491
    }
492 493 494
    default:
      break;
  }
Artyom Baginski's avatar
Artyom Baginski committed
495

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
496
  return GST_ELEMENT_CLASS (parent_class)->change_state (element);
497
}
Artyom Baginski's avatar
Artyom Baginski committed
498

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
499
static void
500
gst_qtdemux_loop_header (GstPad * pad)
501
{
502
  GstQTDemux *qtdemux = GST_QTDEMUX (GST_OBJECT_PARENT (pad));
503 504 505 506 507
  guint8 *data;
  guint32 length;
  guint32 fourcc;
  GstBuffer *buf;
  int offset;
508
  guint64 cur_offset;
509
  int size;
510
  GstFlowReturn ret;
511

512 513
  /* FIXME _tell gets the offset wrong */
  //cur_offset = gst_bytestream_tell(qtdemux->bs);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
514

515 516
  GST_STREAM_LOCK (pad);

517
  cur_offset = qtdemux->offset;
518 519
  GST_DEBUG ("loop at position %" G_GUINT64_FORMAT ", state %d",
      cur_offset, qtdemux->state);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
520 521

  switch (qtdemux->state) {
522 523 524 525 526
    case QTDEMUX_STATE_HEADER:{
      if (gst_pad_pull_range (qtdemux->sinkpad,
              cur_offset, 16, &buf) != GST_FLOW_OK)
        goto pause;
      data = GST_BUFFER_DATA (buf);
527
      length = GST_READ_UINT32_BE (data);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
528
      GST_DEBUG ("length %08x", length);
529
      fourcc = GST_READ_UINT32_LE (data + 4);
530
      GST_DEBUG ("atom type " GST_FOURCC_FORMAT, GST_FOURCC_ARGS (fourcc));
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
531 532

      if (length == 0) {
533
        length = G_MAXUINT32;   //gst_bytestream_length (qtdemux->bs) - cur_offset;
534
      }
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
535
      if (length == 1) {
536 537
        /* this means we have an extended size, which is the 64 bit value of
         * the next 8 bytes */
538
        guint32 length1, length2;
Artyom Baginski's avatar
Artyom Baginski committed
539

540
        length1 = GST_READ_UINT32_BE (data + 8);
541
        GST_DEBUG ("length1 %08x", length1);
542
        length2 = GST_READ_UINT32_BE (data + 12);
543
        GST_DEBUG ("length2 %08x", length2);
Jeremy Simon's avatar
Jeremy Simon committed
544

545
        /* FIXME: I guess someone didn't want to make 64 bit size work :) */
546
        length = length2;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
547 548 549
      }

      switch (fourcc) {
550 551 552 553 554
        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'):
555 556
          goto ed_edd_and_eddy;
        case GST_MAKE_FOURCC ('m', 'o', 'o', 'v'):{
557 558
          GstBuffer *moov;

559 560 561 562
          if (gst_pad_pull_range (qtdemux->sinkpad, cur_offset, length,
                  &moov) != GST_FLOW_OK)
            goto pause;
          cur_offset += length;
563
          qtdemux->offset += length;
564 565

          qtdemux_parse_moov (qtdemux, GST_BUFFER_DATA (moov), length);
566
          if (1) {
567
            qtdemux_node_dump (qtdemux, qtdemux->moov_node);
568
          }
569
          qtdemux_parse_tree (qtdemux);
570 571 572
          g_node_destroy (qtdemux->moov_node);
          gst_buffer_unref (moov);
          qtdemux->moov_node = NULL;
573 574 575
          qtdemux->state = QTDEMUX_STATE_MOVIE;
          break;
        }
576 577
        ed_edd_and_eddy:
        default:{
578
          GST_LOG ("unknown %08x '" GST_FOURCC_FORMAT "' at %d",
579
              fourcc, GST_FOURCC_ARGS (fourcc), cur_offset);
580 581
          cur_offset += length;
          qtdemux->offset += length;
582 583
          break;
        }
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
584
      }
585
#if 0
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
586
      ret = gst_bytestream_seek (qtdemux->bs, cur_offset + length,
587
          GST_SEEK_METHOD_SET);
588 589 590 591 592 593 594 595 596 597
      GST_DEBUG ("seek returned %d", ret);
      if (ret == FALSE) {
        length = cur_offset + length;
        cur_offset = qtdemux->offset;
        length -= cur_offset;
        if (gst_bytestream_flush (qtdemux->bs, length) == FALSE) {
          if (!gst_qtdemux_handle_sink_event (qtdemux)) {
            return;
          }
        }
598
      }
599 600
#endif
      //qtdemux->offset = cur_offset + length;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
601 602
      break;
    }
603
    case QTDEMUX_STATE_MOVIE:{
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
604 605 606 607 608 609 610
      QtDemuxStream *stream;
      guint64 min_time;
      int index = -1;
      int i;

      min_time = G_MAXUINT64;
      for (i = 0; i < qtdemux->n_streams; i++) {
611
        stream = qtdemux->streams[i];
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
612

613 614 615 616 617
        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;
        }
618
      }
Artyom Baginski's avatar
Artyom Baginski committed
619

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
620
      if (index == -1) {
621 622
        gst_pad_event_default (qtdemux->sinkpad, gst_event_new_eos ());
        break;
623 624
      }

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
625
      stream = qtdemux->streams[index];
626

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
627 628
      offset = stream->samples[stream->sample_index].offset;
      size = stream->samples[stream->sample_index].size;
629

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
630
      GST_INFO
631 632 633
          ("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);
634

635
      GST_DEBUG ("reading %d bytes", size);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
636
      buf = NULL;
637 638 639
      if (gst_pad_pull_range (qtdemux->sinkpad, offset,
              size, &buf) != GST_FLOW_OK)
        goto pause;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
640 641

      if (buf) {
642 643
        /* hum... FIXME changing framerate breaks horribly, better set
         * an average framerate, or get rid of the framerate property. */
644
        if (stream->subtype == GST_MAKE_FOURCC ('v', 'i', 'd', 'e')) {
645 646 647 648 649 650 651 652 653 654
          //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);
             }
           */
655 656
        }

657 658 659 660 661 662 663 664
        /* timestamps of AMR aren't known... */
        if (stream->fourcc != GST_MAKE_FOURCC ('s', 'a', 'm', 'r')) {
          GST_BUFFER_TIMESTAMP (buf) =
              stream->samples[stream->sample_index].timestamp;
          qtdemux->last_ts = GST_BUFFER_TIMESTAMP (buf);
          GST_BUFFER_DURATION (buf) =
              stream->samples[stream->sample_index].duration;
        }
665
        if (qtdemux->need_discont) {
666
          GstEvent *event = gst_event_new_newsegment (1.0,
667
              GST_FORMAT_TIME, GST_BUFFER_TIMESTAMP (buf),
668
              GST_CLOCK_TIME_NONE, 0);
669 670
          gint n;

Ronald S. Bultje's avatar
Ronald S. Bultje committed
671 672
          GST_DEBUG ("Discont to %" GST_TIME_FORMAT,
              GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)));
673 674 675
          qtdemux->need_discont = FALSE;
          for (n = 0; n < qtdemux->n_streams; n++) {
            gst_event_ref (event);
676
            gst_pad_push_event (qtdemux->streams[n]->pad, event);
677 678 679
          }
          gst_event_unref (event);
        }
680 681 682 683
        if (qtdemux->need_flush) {
          /* ? */
          qtdemux->need_flush = FALSE;
        }
684
        GST_DEBUG ("Pushing buf with time=%" GST_TIME_FORMAT,
685
            GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)));
686
        gst_buffer_set_caps (buf, stream->caps);
687 688 689
        ret = gst_pad_push (stream->pad, buf);
        if (ret != GST_FLOW_OK && ret != GST_FLOW_NOT_LINKED)
          goto pause;
690

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
    default:
697 698
      /* oh crap */
      g_error ("State=%d", qtdemux->state);
699
  }
700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731

  GST_STREAM_UNLOCK (pad);

  return;

pause:
  GST_LOG_OBJECT (qtdemux, "pausing task");
  gst_pad_pause_task (qtdemux->sinkpad);
  GST_STREAM_UNLOCK (pad);
}

static gboolean
qtdemux_sink_activate (GstPad * sinkpad)
{
  if (gst_pad_check_pull_range (sinkpad))
    return gst_pad_activate_pull (sinkpad, TRUE);

  return FALSE;
}

static gboolean
qtdemux_sink_activate_pull (GstPad * sinkpad, gboolean active)
{
  if (active) {
    /* if we have a scheduler we can start the task */
    gst_pad_start_task (sinkpad,
        (GstTaskFunction) gst_qtdemux_loop_header, sinkpad);
  } else {
    gst_pad_stop_task (sinkpad);
  }

  return TRUE;
Artyom Baginski's avatar
Artyom Baginski committed
732 733
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
734
void
735 736
gst_qtdemux_add_stream (GstQTDemux * qtdemux,
    QtDemuxStream * stream, GstTagList * list)
Artyom Baginski's avatar
Artyom Baginski committed
737
{
738 739
  gchar *caps;

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
740
  if (stream->subtype == GST_MAKE_FOURCC ('v', 'i', 'd', 'e')) {
741
    gchar *name = g_strdup_printf ("video_%02d", qtdemux->n_video_streams);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
742 743

    stream->pad =
744 745
        gst_pad_new_from_template (gst_static_pad_template_get
        (&gst_qtdemux_videosrc_template), name);
746
    g_free (name);
747
    stream->fps = 1. * GST_SECOND / stream->samples[0].duration;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
748 749
    if (stream->caps) {
      gst_caps_set_simple (stream->caps,
750 751 752
          "width", G_TYPE_INT, stream->width,
          "height", G_TYPE_INT, stream->height,
          "framerate", G_TYPE_DOUBLE, stream->fps, NULL);
753 754
    }
    qtdemux->n_video_streams++;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
755
  } else {
756
    gchar *name = g_strdup_printf ("audio_%02d", qtdemux->n_audio_streams);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
757 758

    stream->pad =
759 760
        gst_pad_new_from_template (gst_static_pad_template_get
        (&gst_qtdemux_audiosrc_template), name);
761
    g_free (name);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
762 763
    if (stream->caps) {
      gst_caps_set_simple (stream->caps,
764 765
          "rate", G_TYPE_INT, (int) stream->rate,
          "channels", G_TYPE_INT, stream->n_channels, NULL);
Artyom Baginski's avatar
Artyom Baginski committed
766
    }
767 768
    qtdemux->n_audio_streams++;
  }
769

770
  gst_pad_use_fixed_caps (stream->pad);
771

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
772
  GST_PAD_ELEMENT_PRIVATE (stream->pad) = stream;
773 774
  qtdemux->streams[qtdemux->n_streams] = stream;
  qtdemux->n_streams++;
775
  GST_DEBUG ("n_streams is now %d", qtdemux->n_streams);
776

777
  gst_pad_set_event_function (stream->pad, gst_qtdemux_handle_src_event);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
778 779
  gst_pad_set_query_type_function (stream->pad,
      gst_qtdemux_get_src_query_types);
780 781
  gst_pad_set_query_function (stream->pad, gst_qtdemux_handle_src_query);

782 783 784
  caps = gst_caps_to_string (stream->caps);
  GST_DEBUG ("setting caps %s", caps);
  g_free (caps);
785
  gst_pad_set_caps (stream->pad, stream->caps);
786

787 788
  GST_DEBUG ("adding pad %s %p to qtdemux %p",
      gst_pad_get_name (stream->pad), stream->pad, qtdemux);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
789
  gst_element_add_pad (GST_ELEMENT (qtdemux), stream->pad);
790 791 792 793 794 795 796
  if (list) {
    gst_tag_list_free (list);
/*
    gst_element_found_tags_for_pad (GST_ELEMENT (qtdemux),
        stream->pad, 0, list);
*/
  }
Artyom Baginski's avatar
Artyom Baginski committed
797 798
}

799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838

#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')
839 840 841
#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')
842 843
#define FOURCC_hint	GST_MAKE_FOURCC('h','i','n','t')
#define FOURCC_mp4a	GST_MAKE_FOURCC('m','p','4','a')
844
#define FOURCC_mp4v	GST_MAKE_FOURCC('m','p','4','v')
845
#define FOURCC_wave	GST_MAKE_FOURCC('w','a','v','e')
846
#define FOURCC_appl	GST_MAKE_FOURCC('a','p','p','l')
847
#define FOURCC_esds	GST_MAKE_FOURCC('e','s','d','s')
848 849 850 851 852 853 854
#define FOURCC_hnti	GST_MAKE_FOURCC('h','n','t','i')
#define FOURCC_rtp_	GST_MAKE_FOURCC('r','t','p',' ')
#define FOURCC_sdp_	GST_MAKE_FOURCC('s','d','p',' ')
#define FOURCC_meta	GST_MAKE_FOURCC('m','e','t','a')
#define FOURCC_ilst	GST_MAKE_FOURCC('i','l','s','t')
#define FOURCC__nam	GST_MAKE_FOURCC(0xa9,'n','a','m')
#define FOURCC__ART	GST_MAKE_FOURCC(0xa9,'A','R','T')
855 856
#define FOURCC__wrt	GST_MAKE_FOURCC(0xa9,'w','r','t')
#define FOURCC__grp	GST_MAKE_FOURCC(0xa9,'g','r','p')
857 858
#define FOURCC__alb	GST_MAKE_FOURCC(0xa9,'a','l','b')
#define FOURCC_gnre	GST_MAKE_FOURCC('g','n','r','e')
859
#define FOURCC_disc	GST_MAKE_FOURCC('d','i','s','c')
860 861 862 863 864 865 866
#define FOURCC_trkn	GST_MAKE_FOURCC('t','r','k','n')
#define FOURCC_cpil	GST_MAKE_FOURCC('c','p','i','l')
#define FOURCC_tmpo	GST_MAKE_FOURCC('t','m','p','o')
#define FOURCC__too	GST_MAKE_FOURCC(0xa9,'t','o','o')
#define FOURCC_____	GST_MAKE_FOURCC('-','-','-','-')
#define FOURCC_free	GST_MAKE_FOURCC('f','r','e','e')
#define FOURCC_data	GST_MAKE_FOURCC('d','a','t','a')
867
#define FOURCC_SVQ3	GST_MAKE_FOURCC('S','V','Q','3')
868 869 870
#define FOURCC_rmra	GST_MAKE_FOURCC('r','m','r','a')
#define FOURCC_rmda	GST_MAKE_FOURCC('r','m','d','a')
#define FOURCC_rdrf	GST_MAKE_FOURCC('r','d','r','f')
871

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887
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);
888 889
static void qtdemux_dump_unknown (GstQTDemux * qtdemux, void *buffer,
    int depth);
890 891

QtNodeType qt_node_types[] = {
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
892 893 894 895 896
  {FOURCC_moov, "movie", QT_CONTAINER,},
  {FOURCC_mvhd, "movie header", 0,
      qtdemux_dump_mvhd},
  {FOURCC_clip, "clipping", QT_CONTAINER,},
  {FOURCC_trak, "track", QT_CONTAINER,},
897
  {FOURCC_udta, "user data", QT_CONTAINER,},    /* special container */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
898 899 900 901 902 903 904 905 906 907 908 909
  {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,},
910
  {FOURCC___in, "track input", 0,},     /* special container */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942
  {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},
943 944 945 946 947
  {FOURCC_dcom, "compressed data", 0, qtdemux_dump_dcom},
  {FOURCC_cmvd, "compressed movie data", 0, qtdemux_dump_cmvd},
  {FOURCC_hint, "hint", 0,},
  {FOURCC_mp4a, "mp4a", 0,},
  {FOURCC_mp4v, "mp4v", 0,},
948
  {FOURCC_wave, "wave", QT_CONTAINER},
949
  {FOURCC_appl, "appl", QT_CONTAINER},
950
  {FOURCC_esds, "esds", 0},
951 952 953 954 955 956 957
  {FOURCC_hnti, "hnti", QT_CONTAINER},
  {FOURCC_rtp_, "rtp ", 0, qtdemux_dump_unknown},
  {FOURCC_sdp_, "sdp ", 0, qtdemux_dump_unknown},
  {FOURCC_meta, "meta", 0, qtdemux_dump_unknown},
  {FOURCC_ilst, "ilst", QT_CONTAINER,},
  {FOURCC__nam, "Name", QT_CONTAINER,},
  {FOURCC__ART, "Artist", QT_CONTAINER,},
958 959
  {FOURCC__wrt, "Writer", QT_CONTAINER,},
  {FOURCC__grp, "Group", QT_CONTAINER,},
960 961 962
  {FOURCC__alb, "Album", QT_CONTAINER,},
  {FOURCC_gnre, "Genre", QT_CONTAINER,},
  {FOURCC_trkn, "Track Number", QT_CONTAINER,},
963
  {FOURCC_disc, "Disc Number", QT_CONTAINER,},
964 965 966 967 968 969
  {FOURCC_cpil, "cpil", QT_CONTAINER,},
  {FOURCC_tmpo, "Tempo", QT_CONTAINER,},
  {FOURCC__too, "too", QT_CONTAINER,},
  {FOURCC_____, "----", QT_CONTAINER,},
  {FOURCC_data, "data", 0, qtdemux_dump_unknown},
  {FOURCC_free, "free", 0,},
970
  {FOURCC_SVQ3, "SVQ3", 0,},
971 972 973
  {FOURCC_rmra, "rmra", QT_CONTAINER,},
  {FOURCC_rmda, "rmda", QT_CONTAINER,},
  {