qtdemux.c 112 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

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
36 37 38
#define QTDEMUX_GUINT32_GET(a)  (GST_READ_UINT32_BE(a))
#define QTDEMUX_GUINT24_GET(a)  (GST_READ_UINT32_BE(a) >> 8)
#define QTDEMUX_GUINT16_GET(a)  (GST_READ_UINT16_BE(a))
39
#define QTDEMUX_GUINT8_GET(a) (*(guint8 *)(a))
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
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
  int sample_index;
  int chunk;
  int size;
72
  guint64 offset;
73 74
  guint64 timestamp;            /* In GstClockTime */
  guint32 duration;             /* in stream->timescale units */
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 92 93
  /* Numerator/denominator framerate */
  gint fps_n;
  gint fps_d;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
94

95 96
  double rate;
  int n_channels;
97
  guint bytes_per_frame;
98
  guint compression;
99
  guint samples_per_packet;
100 101
  guint16 bits_per_sample;
  guint16 color_table_id;
102 103
};

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
104 105
enum QtDemuxState
{
106 107 108
  QTDEMUX_STATE_INITIAL,        /* Initial state (haven't got the header yet) */
  QTDEMUX_STATE_HEADER,         /* Parsing the header */
  QTDEMUX_STATE_MOVIE,          /* Parsing/Playing the media data */
109
  QTDEMUX_STATE_BUFFER_MDAT     /* Buffering the mdat atom */
110 111
};

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
112 113
static GNode *qtdemux_tree_get_child_by_type (GNode * node, guint32 fourcc);
static GNode *qtdemux_tree_get_sibling_by_type (GNode * node, guint32 fourcc);
114

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
115
static GstElementDetails gst_qtdemux_details = {
116 117 118
  "QuickTime Demuxer",
  "Codec/Demuxer",
  "Demultiplex a QuickTime file into audio and video streams",
119
  "David Schleef <ds@schleef.org>"
Artyom Baginski's avatar
Artyom Baginski committed
120 121
};

David Schleef's avatar
David Schleef committed
122
static GstStaticPadTemplate gst_qtdemux_sink_template =
123
    GST_STATIC_PAD_TEMPLATE ("sink",
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
124
    GST_PAD_SINK,
125
    GST_PAD_ALWAYS,
126
    GST_STATIC_CAPS ("video/quicktime; audio/x-m4a; application/x-3gp")
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
127
    );
David Schleef's avatar
David Schleef committed
128 129

static GstStaticPadTemplate gst_qtdemux_videosrc_template =
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
130 131 132 133
GST_STATIC_PAD_TEMPLATE ("audio_%02d",
    GST_PAD_SRC,
    GST_PAD_SOMETIMES,
    GST_STATIC_CAPS_ANY);
David Schleef's avatar
David Schleef committed
134 135

static GstStaticPadTemplate gst_qtdemux_audiosrc_template =
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
136 137 138 139
GST_STATIC_PAD_TEMPLATE ("video_%02d",
    GST_PAD_SRC,
    GST_PAD_SOMETIMES,
    GST_STATIC_CAPS_ANY);
Artyom Baginski's avatar
Artyom Baginski committed
140

141
static GstElementClass *parent_class = NULL;
Artyom Baginski's avatar
Artyom Baginski committed
142

143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230
/* we could generate these programmatically, but the generation code
 * is only a few lines shorter than the tables, and much uglier */
static const guint32 ff_qt_default_palette_256[256] = {
  0xFFFFFF, 0xFFFFCC, 0xFFFF99, 0xFFFF66, 0xFFFF33, 0xFFFF00,
  0xFFCCFF, 0xFFCCCC, 0xFFCC99, 0xFFCC66, 0xFFCC33, 0xFFCC00,
  0xFF99FF, 0xFF99CC, 0xFF9999, 0xFF9966, 0xFF9933, 0xFF9900,
  0xFF66FF, 0xFF66CC, 0xFF6699, 0xFF6666, 0xFF6633, 0xFF6600,
  0xFF33FF, 0xFF33CC, 0xFF3399, 0xFF3366, 0xFF3333, 0xFF3300,
  0xFF00FF, 0xFF00CC, 0xFF0099, 0xFF0066, 0xFF0033, 0xFF0000,
  0xCCFFFF, 0xCCFFCC, 0xCCFF99, 0xCCFF66, 0xCCFF33, 0xCCFF00,
  0xCCCCFF, 0xCCCCCC, 0xCCCC99, 0xCCCC66, 0xCCCC33, 0xCCCC00,
  0xCC99FF, 0xCC99CC, 0xCC9999, 0xCC9966, 0xCC9933, 0xCC9900,
  0xCC66FF, 0xCC66CC, 0xCC6699, 0xCC6666, 0xCC6633, 0xCC6600,
  0xCC33FF, 0xCC33CC, 0xCC3399, 0xCC3366, 0xCC3333, 0xCC3300,
  0xCC00FF, 0xCC00CC, 0xCC0099, 0xCC0066, 0xCC0033, 0xCC0000,
  0x99FFFF, 0x99FFCC, 0x99FF99, 0x99FF66, 0x99FF33, 0x99FF00,
  0x99CCFF, 0x99CCCC, 0x99CC99, 0x99CC66, 0x99CC33, 0x99CC00,
  0x9999FF, 0x9999CC, 0x999999, 0x999966, 0x999933, 0x999900,
  0x9966FF, 0x9966CC, 0x996699, 0x996666, 0x996633, 0x996600,
  0x9933FF, 0x9933CC, 0x993399, 0x993366, 0x993333, 0x993300,
  0x9900FF, 0x9900CC, 0x990099, 0x990066, 0x990033, 0x990000,
  0x66FFFF, 0x66FFCC, 0x66FF99, 0x66FF66, 0x66FF33, 0x66FF00,
  0x66CCFF, 0x66CCCC, 0x66CC99, 0x66CC66, 0x66CC33, 0x66CC00,
  0x6699FF, 0x6699CC, 0x669999, 0x669966, 0x669933, 0x669900,
  0x6666FF, 0x6666CC, 0x666699, 0x666666, 0x666633, 0x666600,
  0x6633FF, 0x6633CC, 0x663399, 0x663366, 0x663333, 0x663300,
  0x6600FF, 0x6600CC, 0x660099, 0x660066, 0x660033, 0x660000,
  0x33FFFF, 0x33FFCC, 0x33FF99, 0x33FF66, 0x33FF33, 0x33FF00,
  0x33CCFF, 0x33CCCC, 0x33CC99, 0x33CC66, 0x33CC33, 0x33CC00,
  0x3399FF, 0x3399CC, 0x339999, 0x339966, 0x339933, 0x339900,
  0x3366FF, 0x3366CC, 0x336699, 0x336666, 0x336633, 0x336600,
  0x3333FF, 0x3333CC, 0x333399, 0x333366, 0x333333, 0x333300,
  0x3300FF, 0x3300CC, 0x330099, 0x330066, 0x330033, 0x330000,
  0x00FFFF, 0x00FFCC, 0x00FF99, 0x00FF66, 0x00FF33, 0x00FF00,
  0x00CCFF, 0x00CCCC, 0x00CC99, 0x00CC66, 0x00CC33, 0x00CC00,
  0x0099FF, 0x0099CC, 0x009999, 0x009966, 0x009933, 0x009900,
  0x0066FF, 0x0066CC, 0x006699, 0x006666, 0x006633, 0x006600,
  0x0033FF, 0x0033CC, 0x003399, 0x003366, 0x003333, 0x003300,
  0x0000FF, 0x0000CC, 0x000099, 0x000066, 0x000033, 0xEE0000,
  0xDD0000, 0xBB0000, 0xAA0000, 0x880000, 0x770000, 0x550000,
  0x440000, 0x220000, 0x110000, 0x00EE00, 0x00DD00, 0x00BB00,
  0x00AA00, 0x008800, 0x007700, 0x005500, 0x004400, 0x002200,
  0x001100, 0x0000EE, 0x0000DD, 0x0000BB, 0x0000AA, 0x000088,
  0x000077, 0x000055, 0x000044, 0x000022, 0x000011, 0xEEEEEE,
  0xDDDDDD, 0xBBBBBB, 0xAAAAAA, 0x888888, 0x777777, 0x555555,
  0x444444, 0x222222, 0x111111, 0x000000
};

static const guint32 ff_qt_grayscale_palette_256[256] = {
  0xffffff, 0xfefefe, 0xfdfdfd, 0xfcfcfc, 0xfbfbfb, 0xfafafa, 0xf9f9f9,
  0xf8f8f8, 0xf7f7f7, 0xf6f6f6, 0xf5f5f5, 0xf4f4f4, 0xf3f3f3, 0xf2f2f2,
  0xf1f1f1, 0xf0f0f0, 0xefefef, 0xeeeeee, 0xededed, 0xececec, 0xebebeb,
  0xeaeaea, 0xe9e9e9, 0xe8e8e8, 0xe7e7e7, 0xe6e6e6, 0xe5e5e5, 0xe4e4e4,
  0xe3e3e3, 0xe2e2e2, 0xe1e1e1, 0xe0e0e0, 0xdfdfdf, 0xdedede, 0xdddddd,
  0xdcdcdc, 0xdbdbdb, 0xdadada, 0xd9d9d9, 0xd8d8d8, 0xd7d7d7, 0xd6d6d6,
  0xd5d5d5, 0xd4d4d4, 0xd3d3d3, 0xd2d2d2, 0xd1d1d1, 0xd0d0d0, 0xcfcfcf,
  0xcecece, 0xcdcdcd, 0xcccccc, 0xcbcbcb, 0xcacaca, 0xc9c9c9, 0xc8c8c8,
  0xc7c7c7, 0xc6c6c6, 0xc5c5c5, 0xc4c4c4, 0xc3c3c3, 0xc2c2c2, 0xc1c1c1,
  0xc0c0c0, 0xbfbfbf, 0xbebebe, 0xbdbdbd, 0xbcbcbc, 0xbbbbbb, 0xbababa,
  0xb9b9b9, 0xb8b8b8, 0xb7b7b7, 0xb6b6b6, 0xb5b5b5, 0xb4b4b4, 0xb3b3b3,
  0xb2b2b2, 0xb1b1b1, 0xb0b0b0, 0xafafaf, 0xaeaeae, 0xadadad, 0xacacac,
  0xababab, 0xaaaaaa, 0xa9a9a9, 0xa8a8a8, 0xa7a7a7, 0xa6a6a6, 0xa5a5a5,
  0xa4a4a4, 0xa3a3a3, 0xa2a2a2, 0xa1a1a1, 0xa0a0a0, 0x9f9f9f, 0x9e9e9e,
  0x9d9d9d, 0x9c9c9c, 0x9b9b9b, 0x9a9a9a, 0x999999, 0x989898, 0x979797,
  0x969696, 0x959595, 0x949494, 0x939393, 0x929292, 0x919191, 0x909090,
  0x8f8f8f, 0x8e8e8e, 0x8d8d8d, 0x8c8c8c, 0x8b8b8b, 0x8a8a8a, 0x898989,
  0x888888, 0x878787, 0x868686, 0x858585, 0x848484, 0x838383, 0x828282,
  0x818181, 0x808080, 0x7f7f7f, 0x7e7e7e, 0x7d7d7d, 0x7c7c7c, 0x7b7b7b,
  0x7a7a7a, 0x797979, 0x787878, 0x777777, 0x767676, 0x757575, 0x747474,
  0x737373, 0x727272, 0x717171, 0x707070, 0x6f6f6f, 0x6e6e6e, 0x6d6d6d,
  0x6c6c6c, 0x6b6b6b, 0x6a6a6a, 0x696969, 0x686868, 0x676767, 0x666666,
  0x656565, 0x646464, 0x636363, 0x626262, 0x616161, 0x606060, 0x5f5f5f,
  0x5e5e5e, 0x5d5d5d, 0x5c5c5c, 0x5b5b5b, 0x5a5a5a, 0x595959, 0x585858,
  0x575757, 0x565656, 0x555555, 0x545454, 0x535353, 0x525252, 0x515151,
  0x505050, 0x4f4f4f, 0x4e4e4e, 0x4d4d4d, 0x4c4c4c, 0x4b4b4b, 0x4a4a4a,
  0x494949, 0x484848, 0x474747, 0x464646, 0x454545, 0x444444, 0x434343,
  0x424242, 0x414141, 0x404040, 0x3f3f3f, 0x3e3e3e, 0x3d3d3d, 0x3c3c3c,
  0x3b3b3b, 0x3a3a3a, 0x393939, 0x383838, 0x373737, 0x363636, 0x353535,
  0x343434, 0x333333, 0x323232, 0x313131, 0x303030, 0x2f2f2f, 0x2e2e2e,
  0x2d2d2d, 0x2c2c2c, 0x2b2b2b, 0x2a2a2a, 0x292929, 0x282828, 0x272727,
  0x262626, 0x252525, 0x242424, 0x232323, 0x222222, 0x212121, 0x202020,
  0x1f1f1f, 0x1e1e1e, 0x1d1d1d, 0x1c1c1c, 0x1b1b1b, 0x1a1a1a, 0x191919,
  0x181818, 0x171717, 0x161616, 0x151515, 0x141414, 0x131313, 0x121212,
  0x111111, 0x101010, 0x0f0f0f, 0x0e0e0e, 0x0d0d0d, 0x0c0c0c, 0x0b0b0b,
  0x0a0a0a, 0x090909, 0x080808, 0x070707, 0x060606, 0x050505, 0x040404,
  0x030303, 0x020202, 0x010101, 0x000000
};

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
231 232 233
static void gst_qtdemux_class_init (GstQTDemuxClass * klass);
static void gst_qtdemux_base_init (GstQTDemuxClass * klass);
static void gst_qtdemux_init (GstQTDemux * quicktime_demux);
234
static void gst_qtdemux_dispose (GObject * object);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
235 236
static GstStateChangeReturn gst_qtdemux_change_state (GstElement * element,
    GstStateChange transition);
237
static void gst_qtdemux_loop (GstPad * pad);
238
static GstFlowReturn gst_qtdemux_chain (GstPad * sinkpad, GstBuffer * inbuf);
239 240
static gboolean qtdemux_sink_activate (GstPad * sinkpad);
static gboolean qtdemux_sink_activate_pull (GstPad * sinkpad, gboolean active);
241 242
static gboolean qtdemux_sink_activate_push (GstPad * sinkpad, gboolean active);
static gboolean gst_qtdemux_handle_sink_event (GstPad * pad, GstEvent * event);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
243 244 245 246 247 248 249

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);
250
static void qtdemux_parse_udta (GstQTDemux * qtdemux, GNode * udta);
251
static void qtdemux_tag_add_str (GstQTDemux * qtdemux, const char *tag,
252
    GNode * node);
253 254 255 256 257
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);

258 259
static void gst_qtdemux_handle_esds (GstQTDemux * qtdemux,
    QtDemuxStream * stream, GNode * esds);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
260
static GstCaps *qtdemux_video_caps (GstQTDemux * qtdemux, guint32 fourcc,
261
    const guint8 * stsd_data, const gchar ** codec_name);
262 263 264
static GstCaps *qtdemux_audio_caps (GstQTDemux * qtdemux,
    QtDemuxStream * stream, guint32 fourcc, const guint8 * data, int len,
    const gchar ** codec_name);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
265 266 267

static GType
gst_qtdemux_get_type (void)
Artyom Baginski's avatar
Artyom Baginski committed
268 269 270 271 272
{
  static GType qtdemux_type = 0;

  if (!qtdemux_type) {
    static const GTypeInfo qtdemux_info = {
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
273 274 275 276 277
      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
278
    };
279

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
280
    qtdemux_type =
281 282
        g_type_register_static (GST_TYPE_ELEMENT, "GstQTDemux", &qtdemux_info,
        0);
Artyom Baginski's avatar
Artyom Baginski committed
283 284 285 286
  }
  return qtdemux_type;
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
287 288
static void
gst_qtdemux_base_init (GstQTDemuxClass * klass)
289 290 291 292
{
  GstElementClass *element_class = GST_ELEMENT_CLASS (klass);

  gst_element_class_add_pad_template (element_class,
David Schleef's avatar
David Schleef committed
293 294 295 296 297
      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));
298
  gst_element_class_set_details (element_class, &gst_qtdemux_details);
David Schleef's avatar
David Schleef committed
299

300 301
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
302 303
static void
gst_qtdemux_class_init (GstQTDemuxClass * klass)
Artyom Baginski's avatar
Artyom Baginski committed
304 305 306 307
{
  GObjectClass *gobject_class;
  GstElementClass *gstelement_class;

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
308 309
  gobject_class = (GObjectClass *) klass;
  gstelement_class = (GstElementClass *) klass;
Artyom Baginski's avatar
Artyom Baginski committed
310

311
  parent_class = g_type_class_peek_parent (klass);
312

313 314
  gobject_class->dispose = gst_qtdemux_dispose;

Artyom Baginski's avatar
Artyom Baginski committed
315 316 317
  gstelement_class->change_state = gst_qtdemux_change_state;
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
318 319
static void
gst_qtdemux_init (GstQTDemux * qtdemux)
Artyom Baginski's avatar
Artyom Baginski committed
320
{
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
321
  qtdemux->sinkpad =
322
      gst_pad_new_from_static_template (&gst_qtdemux_sink_template, "sink");
323 324 325
  gst_pad_set_activate_function (qtdemux->sinkpad, qtdemux_sink_activate);
  gst_pad_set_activatepull_function (qtdemux->sinkpad,
      qtdemux_sink_activate_pull);
326 327 328 329
  gst_pad_set_activatepush_function (qtdemux->sinkpad,
      qtdemux_sink_activate_push);
  gst_pad_set_chain_function (qtdemux->sinkpad, gst_qtdemux_chain);
  gst_pad_set_event_function (qtdemux->sinkpad, gst_qtdemux_handle_sink_event);
Artyom Baginski's avatar
Artyom Baginski committed
330
  gst_element_add_pad (GST_ELEMENT (qtdemux), qtdemux->sinkpad);
331

332
  qtdemux->state = QTDEMUX_STATE_INITIAL;
333
  qtdemux->last_ts = GST_CLOCK_TIME_NONE;
334 335 336 337
  qtdemux->pullbased = FALSE;
  qtdemux->neededbytes = 16;
  qtdemux->todrop = 0;
  qtdemux->adapter = gst_adapter_new ();
338 339 340
  qtdemux->offset = 0;
  qtdemux->mdatoffset = GST_CLOCK_TIME_NONE;
  qtdemux->mdatbuffer = NULL;
Artyom Baginski's avatar
Artyom Baginski committed
341 342
}

343 344 345 346 347 348 349 350 351 352 353
static void
gst_qtdemux_dispose (GObject * object)
{
  GstQTDemux *qtdemux = GST_QTDEMUX (object);

  if (qtdemux->adapter) {
    g_object_unref (G_OBJECT (qtdemux->adapter));
    qtdemux->adapter = NULL;
  }
}

354
#if 0
355
static gboolean
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
356 357
gst_qtdemux_src_convert (GstPad * pad, GstFormat src_format, gint64 src_value,
    GstFormat * dest_format, gint64 * dest_value)
358 359
{
  gboolean res = TRUE;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
360
  QtDemuxStream *stream = gst_pad_get_element_private (pad);
361

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
362
  if (stream->subtype == GST_MAKE_FOURCC ('v', 'i', 'd', 'e') &&
363 364 365 366 367 368
      (src_format == GST_FORMAT_BYTES || *dest_format == GST_FORMAT_BYTES))
    return FALSE;

  switch (src_format) {
    case GST_FORMAT_TIME:
      switch (*dest_format) {
369 370 371 372 373 374 375 376 377
        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;
378 379 380 381
      }
      break;
    case GST_FORMAT_BYTES:
      switch (*dest_format) {
382 383 384 385 386 387
        case GST_FORMAT_TIME:
          *dest_value = src_value * 1;  /* FIXME */
          break;
        default:
          res = FALSE;
          break;
388 389 390 391
      }
      break;
    case GST_FORMAT_DEFAULT:
      switch (*dest_format) {
392 393 394 395 396 397
        case GST_FORMAT_TIME:
          *dest_value = src_value * 1;  /* FIXME */
          break;
        default:
          res = FALSE;
          break;
398 399 400 401 402 403 404 405
      }
      break;
    default:
      res = FALSE;
  }

  return res;
}
406
#endif
407 408

static const GstQueryType *
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
409
gst_qtdemux_get_src_query_types (GstPad * pad)
410 411 412
{
  static const GstQueryType src_types[] = {
    GST_QUERY_POSITION,
Wim Taymans's avatar
Wim Taymans committed
413
    GST_QUERY_DURATION,
414 415 416 417 418 419 420
    0
  };

  return src_types;
}

static gboolean
421
gst_qtdemux_handle_src_query (GstPad * pad, GstQuery * query)
422
{
423 424
  gboolean res = FALSE;
  GstQTDemux *qtdemux = GST_QTDEMUX (gst_pad_get_parent (pad));
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
425

426
  switch (GST_QUERY_TYPE (query)) {
427
    case GST_QUERY_POSITION:
Wim Taymans's avatar
Wim Taymans committed
428 429 430 431 432 433
      if (GST_CLOCK_TIME_IS_VALID (qtdemux->last_ts)) {
        gst_query_set_position (query, GST_FORMAT_TIME, qtdemux->last_ts);
        res = TRUE;
      }
      break;
    case GST_QUERY_DURATION:
434 435
      if (qtdemux->pullbased && qtdemux->duration != 0
          && qtdemux->timescale != 0) {
436 437 438 439 440 441
        gint64 duration;

        duration = gst_util_uint64_scale_int (qtdemux->duration,
            GST_SECOND, qtdemux->timescale);

        gst_query_set_duration (query, GST_FORMAT_TIME, duration);
442
        res = TRUE;
443 444 445 446 447 448 449
      }
      break;
    default:
      res = FALSE;
      break;
  }

450 451
  gst_object_unref (qtdemux);

452 453 454
  return res;
}

455 456 457 458 459 460 461 462 463 464
/* sends event to all source pads; takes ownership of the event */
static void
gst_qtdemux_send_event (GstQTDemux * qtdemux, GstEvent * event)
{
  guint n;

  GST_DEBUG_OBJECT (qtdemux, "pushing %s event on all source pads",
      GST_EVENT_TYPE_NAME (event));

  for (n = 0; n < qtdemux->n_streams; n++) {
465
    gst_pad_push_event (qtdemux->streams[n]->pad, gst_event_ref (event));
466 467 468 469
  }
  gst_event_unref (event);
}

470
static gboolean
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
471
gst_qtdemux_handle_src_event (GstPad * pad, GstEvent * event)
472 473
{
  gboolean res = TRUE;
474
  GstQTDemux *qtdemux = GST_QTDEMUX (gst_pad_get_parent (pad));
475 476

  switch (GST_EVENT_TYPE (event)) {
477 478 479 480
    case GST_EVENT_SEEK:{
      GstFormat format;
      GstSeekFlags flags;
      gint64 desired_offset;
481

482
      /* FIXME do seeking correctly */
483 484 485 486 487 488
      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:{
489 490
          gint i = 0, n;
          QtDemuxStream *stream = gst_pad_get_element_private (pad);
491 492 493

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

494 495 496 497 498
          if (!stream->n_samples) {
            res = FALSE;
            break;
          }

499
          /* unlock upstream pull_range */
500
          gst_pad_push_event (qtdemux->sinkpad, gst_event_new_flush_start ());
501
          /* make sure out loop function exits */
502 503
          gst_qtdemux_send_event (qtdemux, gst_event_new_flush_start ());

504 505 506
          /* wait for streaming to finish */
          GST_PAD_STREAM_LOCK (qtdemux->sinkpad);

507 508 509 510 511
          /* 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++) {
512 513 514 515 516
              /* Seek to the sample just before the desired offset and
               * let downstream throw away bits outside of the segment */
              if (str->samples[i].timestamp > desired_offset) {
                if (i > 0)
                  --i;
517
                break;
518
              }
519 520 521
            }
            str->sample_index = i;
          }
522
          /* prepare for streaming again */
523 524 525 526 527 528
          gst_pad_push_event (qtdemux->sinkpad, gst_event_new_flush_stop ());
          gst_qtdemux_send_event (qtdemux, gst_event_new_flush_stop ());

          gst_qtdemux_send_event (qtdemux,
              gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME,
                  desired_offset, GST_CLOCK_TIME_NONE, desired_offset));
529 530 531

          /* and restart */
          gst_pad_start_task (qtdemux->sinkpad,
532
              (GstTaskFunction) gst_qtdemux_loop, qtdemux->sinkpad);
533

534
          GST_PAD_STREAM_UNLOCK (qtdemux->sinkpad);
535
          break;
536 537 538 539
        }
        default:
          res = FALSE;
          break;
540
      }
541 542
      break;
    }
543 544 545 546 547
    default:
      res = FALSE;
      break;
  }

548 549
  gst_object_unref (qtdemux);

550 551 552 553 554
  gst_event_unref (event);

  return res;
}

555 556
GST_DEBUG_CATEGORY (qtdemux_debug);

Artyom Baginski's avatar
Artyom Baginski committed
557
static gboolean
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
558
plugin_init (GstPlugin * plugin)
Artyom Baginski's avatar
Artyom Baginski committed
559
{
560
  GST_DEBUG_CATEGORY_INIT (qtdemux_debug, "qtdemux", 0, "qtdemux plugin");
561

562
  return gst_element_register (plugin, "qtdemux",
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
563
      GST_RANK_PRIMARY, GST_TYPE_QTDEMUX);
Artyom Baginski's avatar
Artyom Baginski committed
564 565
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
566 567 568 569
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
    GST_VERSION_MINOR,
    "qtdemux",
    "Quicktime stream demuxer",
570
    plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
571

572
static gboolean
573
gst_qtdemux_handle_sink_event (GstPad * sinkpad, GstEvent * event)
Artyom Baginski's avatar
Artyom Baginski committed
574
{
575 576 577 578 579 580
  GstQTDemux *demux = GST_QTDEMUX (GST_PAD_PARENT (sinkpad));
  gboolean res = FALSE;

  switch (GST_EVENT_TYPE (event)) {
    case GST_EVENT_NEWSEGMENT:
      /* We need to convert it to a GST_FORMAT_TIME new segment */
Artyom Baginski's avatar
Artyom Baginski committed
581
    default:
582
      gst_pad_event_default (demux->sinkpad, event);
583
      return TRUE;
Artyom Baginski's avatar
Artyom Baginski committed
584
  }
585

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
586
  gst_event_unref (event);
587
  return res;
Artyom Baginski's avatar
Artyom Baginski committed
588 589
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
590 591
static GstStateChangeReturn
gst_qtdemux_change_state (GstElement * element, GstStateChange transition)
592
{
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
593
  GstQTDemux *qtdemux = GST_QTDEMUX (element);
594 595 596
  GstStateChangeReturn result = GST_STATE_CHANGE_FAILURE;

  result = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
Artyom Baginski's avatar
Artyom Baginski committed
597

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
598 599
  switch (transition) {
    case GST_STATE_CHANGE_PAUSED_TO_READY:{
600 601
      gint n;

602
      qtdemux->state = QTDEMUX_STATE_INITIAL;
603
      qtdemux->last_ts = GST_CLOCK_TIME_NONE;
604 605 606 607
      qtdemux->neededbytes = 16;
      qtdemux->todrop = 0;
      qtdemux->pullbased = FALSE;
      qtdemux->offset = 0;
608 609 610 611
      qtdemux->mdatoffset = GST_CLOCK_TIME_NONE;
      if (qtdemux->mdatbuffer)
        gst_buffer_unref (qtdemux->mdatbuffer);
      qtdemux->mdatbuffer = NULL;
612
      gst_adapter_clear (qtdemux->adapter);
613 614 615
      for (n = 0; n < qtdemux->n_streams; n++) {
        gst_element_remove_pad (element, qtdemux->streams[n]->pad);
        g_free (qtdemux->streams[n]->samples);
616 617
        if (qtdemux->streams[n]->caps)
          gst_caps_unref (qtdemux->streams[n]->caps);
618 619 620
        g_free (qtdemux->streams[n]);
      }
      qtdemux->n_streams = 0;
621
      break;
622
    }
623 624 625
    default:
      break;
  }
Artyom Baginski's avatar
Artyom Baginski committed
626

627
  return result;
628
}
Artyom Baginski's avatar
Artyom Baginski committed
629

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
630
static void
631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666
extract_initial_length_and_fourcc (guint8 * data, guint32 * plength,
    guint32 * pfourcc)
{
  guint32 length;
  guint32 fourcc;

  length = GST_READ_UINT32_BE (data);
  GST_DEBUG ("length %08x", length);
  fourcc = GST_READ_UINT32_LE (data + 4);
  GST_DEBUG ("atom type %" GST_FOURCC_FORMAT, GST_FOURCC_ARGS (fourcc));

  if (length == 0) {
    length = G_MAXUINT32;
  }
  if (length == 1) {
    /* this means we have an extended size, which is the 64 bit value of
     * the next 8 bytes */
    guint32 length1, length2;

    length1 = GST_READ_UINT32_BE (data + 8);
    GST_DEBUG ("length1 %08x", length1);
    length2 = GST_READ_UINT32_BE (data + 12);
    GST_DEBUG ("length2 %08x", length2);

    /* FIXME: I guess someone didn't want to make 64 bit size work :) */
    length = length2;
  }

  if (plength)
    *plength = length;
  if (pfourcc)
    *pfourcc = fourcc;
}

static GstFlowReturn
gst_qtdemux_loop_state_header (GstQTDemux * qtdemux)
667 668 669
{
  guint32 length;
  guint32 fourcc;
670
  GstBuffer *buf = NULL;
671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693
  GstFlowReturn ret = GST_FLOW_OK;
  guint64 cur_offset = qtdemux->offset;

  ret = gst_pad_pull_range (qtdemux->sinkpad, cur_offset, 16, &buf);
  if (ret != GST_FLOW_OK)
    goto beach;
  extract_initial_length_and_fourcc (GST_BUFFER_DATA (buf), &length, &fourcc);
  gst_buffer_unref (buf);


  switch (fourcc) {
    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'):
      goto ed_edd_and_eddy;
    case GST_MAKE_FOURCC ('m', 'o', 'o', 'v'):{
      GstBuffer *moov;

      ret = gst_pad_pull_range (qtdemux->sinkpad, cur_offset, length, &moov);
      if (ret != GST_FLOW_OK)
        goto beach;
694 695 696 697 698 699 700
      if (length != GST_BUFFER_SIZE (moov)) {
        GST_WARNING_OBJECT (qtdemux,
            "We got less than expected (received %d, wanted %d)",
            GST_BUFFER_SIZE (moov), length);
        ret = GST_FLOW_ERROR;
        goto beach;
      }
701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737
      cur_offset += length;
      qtdemux->offset += length;

      qtdemux_parse_moov (qtdemux, GST_BUFFER_DATA (moov), length);
      if (1) {
        qtdemux_node_dump (qtdemux, qtdemux->moov_node);
      }
      qtdemux_parse_tree (qtdemux);
      g_node_destroy (qtdemux->moov_node);
      gst_buffer_unref (moov);
      qtdemux->moov_node = NULL;
      qtdemux->state = QTDEMUX_STATE_MOVIE;
      GST_DEBUG_OBJECT (qtdemux, "switching state to STATE_MOVIE (%d)",
          qtdemux->state);
    }
      break;
    ed_edd_and_eddy:
    default:{
      GST_LOG ("unknown %08x '%" GST_FOURCC_FORMAT "' at %d",
          fourcc, GST_FOURCC_ARGS (fourcc), cur_offset);
      cur_offset += length;
      qtdemux->offset += length;
      break;
    }
  }

beach:
  return ret;
}

static GstFlowReturn
gst_qtdemux_loop_state_movie (GstQTDemux * qtdemux)
{
  GstFlowReturn ret = GST_FLOW_OK;
  GstBuffer *buf = NULL;
  QtDemuxStream *stream;
  guint64 min_time;
738
  guint64 offset;
739
  int size;
740 741 742 743 744 745 746
  int index = -1;
  int i;

  /* Figure out the next stream sample to output */
  min_time = G_MAXUINT64;
  for (i = 0; i < qtdemux->n_streams; i++) {
    stream = qtdemux->streams[i];
747 748 749 750 751 752 753 754 755 756
    if (stream->sample_index < stream->n_samples) {
      GST_LOG_OBJECT (qtdemux,
          "stream %d: sample_index %d, timestamp %" GST_TIME_FORMAT, i,
          stream->sample_index,
          GST_TIME_ARGS (stream->samples[stream->sample_index].timestamp));

      if (stream->samples[stream->sample_index].timestamp < min_time) {
        min_time = stream->samples[stream->sample_index].timestamp;
        index = i;
      }
757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836
    }
  }
  if (index == -1) {
    GST_DEBUG_OBJECT (qtdemux, "No samples left for any streams - EOS");
    gst_pad_event_default (qtdemux->sinkpad, gst_event_new_eos ());
    goto beach;
  }

  stream = qtdemux->streams[index];

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

  GST_LOG_OBJECT (qtdemux,
      "pushing from stream %d, sample_index=%d offset=%" G_GUINT64_FORMAT
      ",size=%d timestamp=%" GST_TIME_FORMAT,
      index, stream->sample_index, offset, size,
      GST_TIME_ARGS (stream->samples[stream->sample_index].timestamp));

  buf = NULL;
  if (size > 0) {
    GST_LOG_OBJECT (qtdemux, "reading %d bytes @ %" G_GUINT64_FORMAT, size,
        offset);

    ret = gst_pad_pull_range (qtdemux->sinkpad, offset, size, &buf);
    if (ret != GST_FLOW_OK)
      goto beach;
  }

  if (buf) {
    /* hum... FIXME changing framerate breaks horribly, better set
     * an average framerate, or get rid of the framerate property. */
    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);
         }
       */
    }

    /* first buffer? */
    if (qtdemux->last_ts == GST_CLOCK_TIME_NONE) {
      gst_qtdemux_send_event (qtdemux,
          gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME,
              0, GST_CLOCK_TIME_NONE, 0));
    }

    /* 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) = gst_util_uint64_scale_int
          (stream->samples[stream->sample_index].duration, GST_SECOND,
          stream->timescale);
    } else {
      if (stream->sample_index == 0) {
        GST_BUFFER_TIMESTAMP (buf) = 0;
      }
    }

    GST_LOG_OBJECT (qtdemux,
        "Pushing buffer with time %" GST_TIME_FORMAT " on pad %p",
        GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)), stream->pad);
    gst_buffer_set_caps (buf, stream->caps);
    ret = gst_pad_push (stream->pad, buf);
  }

  stream->sample_index++;

beach:
  return ret;
}

static void
837
gst_qtdemux_loop (GstPad * pad)
838 839 840 841
{
  GstQTDemux *qtdemux = GST_QTDEMUX (GST_OBJECT_PARENT (pad));
  guint64 cur_offset;
  GstFlowReturn ret = GST_FLOW_ERROR;
842

843
  cur_offset = qtdemux->offset;
844
  GST_LOG_OBJECT (qtdemux, "loop at position %" G_GUINT64_FORMAT ", state %d",
845
      cur_offset, qtdemux->state);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
846 847

  switch (qtdemux->state) {
848 849 850 851 852 853 854 855 856 857 858
    case QTDEMUX_STATE_INITIAL:
    case QTDEMUX_STATE_HEADER:
      ret = gst_qtdemux_loop_state_header (qtdemux);
      break;
    case QTDEMUX_STATE_MOVIE:
      ret = gst_qtdemux_loop_state_movie (qtdemux);
      break;
    default:
      /* oh crap */
      g_error ("State=%d", qtdemux->state);
  }
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
859

860
  if ((ret != GST_FLOW_OK) && (ret != GST_FLOW_NOT_LINKED)) {
861 862 863 864 865 866 867 868 869 870
    GST_LOG_OBJECT (qtdemux, "pausing task, reason %s",
        gst_flow_get_name (ret));
    gst_pad_pause_task (qtdemux->sinkpad);
    if (GST_FLOW_IS_FATAL (ret)) {
      gst_pad_event_default (qtdemux->sinkpad, gst_event_new_eos ());
      GST_ELEMENT_ERROR (qtdemux, STREAM, FAILED,
          (NULL), ("stream stopped, reason %s", gst_flow_get_name (ret)));
    }
  }
}
871

872 873 874 875 876 877
/*
  next_entry_size
  
  Returns the size of the first entry at the current offset.
  If -1, there are none (which means EOS or empty file).
*/
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
878

879 880 881 882 883
static guint64
next_entry_size (GstQTDemux * demux)
{
  QtDemuxStream *stream;
  int i;
884
  int smallidx = -1;
885 886 887 888 889 890 891 892 893 894 895 896 897
  guint64 smalloffs = -1;

  GST_LOG_OBJECT (demux, "Finding entry at offset %lld", demux->offset);

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

    GST_LOG_OBJECT (demux,
        "Checking Stream %d (sample_index:%d / offset:%lld / size:%d / chunk:%d)",
        i, stream->sample_index, stream->samples[stream->sample_index].offset,
        stream->samples[stream->sample_index].size,
        stream->samples[stream->sample_index].chunk);

898 899 900
    if (((smalloffs == -1)
            || (stream->samples[stream->sample_index].offset < smalloffs))
        && (stream->samples[stream->sample_index].size)) {
901 902
      smallidx = i;
      smalloffs = stream->samples[stream->sample_index].offset;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
903
    }
904 905 906 907 908
  }

  GST_LOG_OBJECT (demux, "stream %d offset %lld demux->offset :%lld",
      smallidx, smalloffs, demux->offset);

909 910
  if (smallidx == -1)
    return -1;
911 912 913 914 915 916 917 918 919 920 921 922 923
  stream = demux->streams[smallidx];

  if (stream->samples[stream->sample_index].offset >= demux->offset) {
    demux->todrop =
        stream->samples[stream->sample_index].offset - demux->offset;
    return stream->samples[stream->sample_index].size + demux->todrop;
  }

  GST_DEBUG_OBJECT (demux, "There wasn't any entry at offset %lld",
      demux->offset);
  return -1;
}

924 925 926 927 928 929 930 931 932 933 934 935
static void
gst_qtdemux_post_buffering (GstQTDemux * demux, gint num, gint denom)
{
  gint perc = (gint) ((gdouble) num * 100.0 / (gdouble) denom);

  gst_element_post_message (GST_ELEMENT (demux),
      gst_message_new_custom (GST_MESSAGE_BUFFERING,
          GST_OBJECT (demux),
          gst_structure_new ("GstMessageBuffering",
              "buffer-percent", G_TYPE_INT, perc, NULL)));
}

936 937 938 939 940 941 942 943 944 945 946 947
static GstFlowReturn
gst_qtdemux_chain (GstPad * sinkpad, GstBuffer * inbuf)
{
  GstQTDemux *demux = GST_QTDEMUX (GST_PAD_PARENT (sinkpad));
  GstFlowReturn ret = GST_FLOW_OK;

  gst_adapter_push (demux->adapter, inbuf);

  GST_DEBUG_OBJECT (demux, "pushing in inbuf %p, neededbytes:%u, available:%u",
      inbuf, demux->neededbytes, gst_adapter_available (demux->adapter));

  while (((gst_adapter_available (demux->adapter)) >= demux->neededbytes) &&
948
      (ret == GST_FLOW_OK)) {
949 950 951 952 953 954 955 956 957 958 959 960 961 962 963

    GST_DEBUG_OBJECT (demux,
        "state:%d , demux->neededbytes:%d, demux->offset:%lld", demux->state,
        demux->neededbytes, demux->offset);

    switch (demux->state) {
      case QTDEMUX_STATE_INITIAL:{
        const guint8 *data;
        guint32 fourcc;
        guint32 size;

        data = gst_adapter_peek (demux->adapter, demux->neededbytes);

        /* get fourcc/length, set neededbytes */
        extract_initial_length_and_fourcc ((guint8 *) data, &size, &fourcc);
964 965 966 967
        GST_DEBUG_OBJECT (demux,
            "Peeking found [%" GST_FOURCC_FORMAT "] size:%ld",
            GST_FOURCC_ARGS (fourcc), size);
        if ((fourcc == GST_MAKE_FOURCC ('m', 'd', 'a', 't'))) {
968 969 970 971 972 973 974
          if (demux->n_streams > 0) {
            demux->state = QTDEMUX_STATE_MOVIE;
            demux->neededbytes = next_entry_size (demux);
          } else {
            demux->state = QTDEMUX_STATE_BUFFER_MDAT;
            demux->neededbytes = size;
            demux->mdatoffset = demux->offset;
975
          }
976 977 978
        } else {
          demux->neededbytes = size;
          demux->state = QTDEMUX_STATE_HEADER;
979
        }
980
      }
981
        break;
982

983 984 985
      case QTDEMUX_STATE_HEADER:{
        guint8 *data;
        guint32 fourcc;
986

987
        GST_DEBUG_OBJECT (demux, "In header");
988

989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007
        data = gst_adapter_take (demux->adapter, demux->neededbytes);

        /* parse the header */
        extract_initial_length_and_fourcc (data, NULL, &fourcc);
        if (fourcc == GST_MAKE_FOURCC ('m', 'o', 'o', 'v')) {
          GST_DEBUG_OBJECT (demux, "Parsing [moov]");

          qtdemux_parse_moov (demux, data, demux->neededbytes);
          qtdemux_node_dump (demux, demux->moov_node);
          qtdemux_parse_tree (demux);

          g_node_destroy (demux->moov_node);
          g_free (data);
          demux->moov_node = NULL;
        } else {
          GST_WARNING_OBJECT (demux,
              "Unknown fourcc while parsing header : %" GST_FOURCC_FORMAT,
              GST_FOURCC_ARGS (fourcc));
          /* Let's jump that one and go back to initial state */
1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024
        }

        GST_DEBUG_OBJECT (demux, "Finished parsing the header");
        if (demux->mdatbuffer && demux->n_streams) {
          /* the mdat was before the header */
          GST_DEBUG_OBJECT (demux, "We have n_streams:%d and mdatbuffer:%p",
              demux->n_streams, demux->mdatbuffer);
          gst_adapter_clear (demux->adapter);
          GST_DEBUG_OBJECT (demux, "mdatbuffer starts with %" GST_FOURCC_FORMAT,
              GST_FOURCC_ARGS (GST_READ_UINT32_BE (demux->mdatbuffer)));
          gst_adapter_push (demux->adapter, demux->mdatbuffer);
          demux->mdatbuffer = NULL;
          demux->offset = demux->mdatoffset;
          demux->neededbytes = next_entry_size (demux);
          demux->state = QTDEMUX_STATE_MOVIE;
        } else {
          GST_DEBUG_OBJECT (demux, "Carrying on normally");
1025 1026 1027 1028
          demux->offset += demux->neededbytes;
          demux->neededbytes = 16;
          demux->state = QTDEMUX_STATE_INITIAL;
        }
1029
      }
1030 1031
        break;

1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045
      case QTDEMUX_STATE_BUFFER_MDAT:{
        GST_DEBUG_OBJECT (demux, "Got our buffer at offset %lld",
            demux->mdatoffset);
        if (demux->mdatbuffer)
          gst_buffer_unref (demux->mdatbuffer);
        demux->mdatbuffer = gst_buffer_new ();
        gst_buffer_set_data (demux->mdatbuffer,
            gst_adapter_take (demux->adapter, demux->neededbytes),
            demux->neededbytes);
        GST_DEBUG_OBJECT (demux, "mdatbuffer starts with %" GST_FOURCC_FORMAT,
            GST_FOURCC_ARGS (GST_READ_UINT32_BE (demux->mdatbuffer)));
        demux->offset += demux->neededbytes;
        demux->neededbytes = 16;
        demux->state = QTDEMUX_STATE_INITIAL;
1046
        gst_qtdemux_post_buffering (demux, 1, 1);
1047 1048 1049
      }
        break;

1050 1051 1052 1053 1054 1055 1056 1057
      case QTDEMUX_STATE_MOVIE:{
        guint8 *data;
        GstBuffer *outbuf;
        QtDemuxStream *stream = NULL;
        int i = -1;

        GST_DEBUG_OBJECT (demux, "BEGIN // in MOVIE for offset %lld",
            demux->offset);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
1058

1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078
        if (demux->todrop) {
          gst_adapter_flush (demux->adapter, demux->todrop);
          demux->neededbytes -= demux->todrop;
          demux->offset += demux->todrop;
        }

        /* Figure out which stream this is packet belongs to */
        for (i = 0; i < demux->n_streams; i++) {
          stream = demux->streams[i];
          GST_LOG_OBJECT (demux,
              "Checking stream %d (sample_index:%d / offset:%lld / size:%d / chunk:%d)",
              i, stream->sample_index,
              stream->samples[stream->sample_index].offset,
              stream->samples[stream->sample_index].size,
              stream->samples[stream->sample_index].chunk);
          if (stream->samples[stream->sample_index].offset == demux->offset)
            break;
        }

        if (stream == NULL) {
1079
          GST_WARNING_OBJECT (demux, "No stream found.");
1080 1081
          ret = GST_FLOW_ERROR;
          break;
1082 1083
        }

1084
        /* first buffer? */
1085 1086 1087
        /* FIXME : this should be handled in sink_event */
        if (demux->last_ts == GST_CLOCK_TIME_NONE) {
          gst_qtdemux_send_event (demux,
1088 1089 1090 1091
              gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME,
                  0, GST_CLOCK_TIME_NONE, 0));
        }

1092 1093 1094 1095 1096 1097 1098 1099 1100
        /* get data */
        data = gst_adapter_take (demux->adapter, demux->neededbytes);

        /* Put data in a buffer, set timestamps, caps, ... */
        outbuf = gst_buffer_new ();
        gst_buffer_set_data (outbuf, data, demux->neededbytes);
        GST_DEBUG_OBJECT (demux, "stream : %" GST_FOURCC_FORMAT,
            GST_FOURCC_ARGS (stream->fourcc));

1101
        if (stream->fourcc != GST_MAKE_FOURCC ('s', 'a', 'm', 'r')) {
1102
          GST_BUFFER_TIMESTAMP (outbuf) =
1103
              stream->samples[stream->sample_index].timestamp;
1104 1105
          demux->last_ts = GST_BUFFER_TIMESTAMP (outbuf);
          GST_BUFFER_DURATION (outbuf) = gst_util_uint64_scale_int
1106 1107
              (stream->samples[stream->sample_index].duration, GST_SECOND,
              stream->timescale);
1108

1109
        } else {
1110 1111
          if (stream->sample_index == 0)
            GST_BUFFER_TIMESTAMP (outbuf) = 0;
1112
        }
1113

1114 1115
        /* send buffer */
        GST_LOG_OBJECT (demux,
1116
            "Pushing buffer with time %" GST_TIME_FORMAT " on pad %p",
1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130
            GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf)), stream->pad);
        gst_buffer_set_caps (outbuf, stream->caps);
        ret = gst_pad_push (stream->pad, outbuf);

        stream->sample_index++;

        /* update current offset and figure out size of next buffer */
        GST_LOG_OBJECT (demux, "bumping offset:%lld up by %lld",
            demux->offset, demux->neededbytes);
        demux->offset += demux->neededbytes;
        GST_LOG_OBJECT (demux, "offset is now %lld", demux->offset);

        if ((demux->neededbytes = next_entry_size (demux)) == -1)
          ret = GST_FLOW_ERROR;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
1131
      }
1132 1133 1134 1135
        break;
      default:
        g_warning ("This line should never be reached\n");
        ret = GST_FLOW_ERROR;
Artyom Baginski's avatar
Artyom Baginski committed
1136
    }
1137
  }
1138

1139 1140 1141 1142 1143 1144
  /* when buffering movie data, at least show user something is happening */
  if (ret == GST_FLOW_OK && demux->state == QTDEMUX_STATE_BUFFER_MDAT &&
      gst_adapter_available (demux->adapter) <= demux->neededbytes) {
    gst_qtdemux_post_buffering (demux, gst_adapter_available (demux->adapter),
        demux->neededbytes);
  }
1145

1146
  return ret;
1147 1148 1149 1150 1151 1152 1153
}

static gboolean
qtdemux_sink_activate (GstPad * sinkpad)
{
  if (gst_pad_check_pull_range (sinkpad))
    return gst_pad_activate_pull (sinkpad, TRUE);
1154 1155
  else
    return gst_pad_activate_push (sinkpad, TRUE);
1156 1157 1158 1159 1160
}

static gboolean
qtdemux_sink_activate_pull (GstPad * sinkpad, gboolean active)
{
1161 1162
  GstQTDemux *demux = GST_QTDEMUX (GST_PAD_PARENT (sinkpad));

1163 1164
  if (active) {
    /* if we have a scheduler we can start the task */
1165
    demux->pullbased = TRUE;
1166
    gst_pad_start_task (sinkpad, (GstTaskFunction) gst_qtdemux_loop, sinkpad);