adding new quicktime parser:

Original commit message from CVS:
adding new quicktime parser:
- openquicktime free (hense gst/qtdemux)
- no more seeks for parsing -> better for network streams
- uses GstByteStream
- less memcpy's
- long ChangeLog record in pompous style

1 files changed, 168 insertions, 0 deletions

diff --git a/gst/qtdemux/qtdemux.h b/gst/qtdemux/qtdemux.h
new file mode 100644
index 00000000..fa7e79f9
--- /dev/null
+++ b/gst/qtdemux/qtdemux.h
@@ -0,0 +1,168 @@
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * 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.
+ */
+
+
+#ifndef __GST_QTDEMUX_H__
+#define __GST_QTDEMUX_H__
+
+#include <gst/gst.h>
+#include <gst/bytestream/bytestream.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#define GST_TYPE_QTDEMUX \
+  (gst_qtdemux_get_type())
+#define GST_QTDEMUX(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_QTDEMUX,GstQTDemux))
+#define GST_QTDEMUX_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_QTDEMUX,GstQTDemux))
+#define GST_IS_QTDEMUX(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_QTDEMUX))
+#define GST_IS_QTDEMUX_CLASS(obj) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_QTDEMUX))
+
+#define GST_QTDEMUX_MAX_AUDIO_PADS	8	
+#define GST_QTDEMUX_MAX_VIDEO_PADS	8	
+
+  /*
+   * smartass macross that turns guint32 into sequence of bytes separated with comma
+   * to be used in printf("%c%c%c%c",GST_FOURCC_TO_CHARSEQ(fourcc)) fashion
+   */
+#define GST_FOURCC_TO_CHARSEQ(f) f&0xff, (f>>8)&0xff , (f>>16)&0xff, f>>24
+
+typedef struct _GstQTDemux GstQTDemux;
+typedef struct _GstQTDemuxClass GstQTDemuxClass;
+
+typedef struct {
+  guint64 start;
+  guint64 size; /* if 0, lasts till the end of file */
+  guint32 type;
+} GstQtpAtom;
+
+typedef struct {
+  guint32 size;
+  guint32 type;
+} GstQtpAtomMinHeader;
+
+#define GST_QTP_CONTAINER_ATOM 1
+
+typedef void GstQtpAtomTypeHandler (GstQTDemux * qtdemux,GstQtpAtom * atom,gboolean enter);
+
+typedef struct {
+  guint32 flags;
+  GstQtpAtomTypeHandler * handler;
+} GstQtpAtomType;
+
+typedef struct {
+  guint64 offset;
+  guint32 size;
+  guint32 timestamp;
+  struct _GstQtpTrack * track;
+} GstQtpSample;
+
+typedef struct _GstQtpTrack {
+  guint32 format;
+  guint32 width;
+  guint32 height;
+  guint32 time_scale; /* units per second */
+  guint32 sample_duration; /* units in sample */
+
+  /* temporary buffers with sample tables */
+  GstBuffer * stsd, * stts, * stsc, * stsz, * stco;
+
+  /* this track samples in array */
+  GstQtpSample * samples;
+
+  GstPad * pad;
+} GstQtpTrack;
+
+typedef struct {
+  guint32 size;
+  guint32 format;
+  char reserved[6];
+  guint16 dataref;
+} __attribute__((packed)) /* FIXME may it wasn't necessary? */ GstQtpStsdRec;
+
+typedef struct {
+  guint32 size;
+  guint32 format;
+  char reserved[6];
+  guint16 dataref;
+  guint16 version;
+  guint16 rev_level;
+  guint32 vendor;
+  guint32 temporal_quality;
+  guint32 spatial_quality;
+  guint16 width;
+  guint16 height;
+  guint32 hres;
+  guint32 vres;
+  guint32 data_size;
+  guint16 frame_count; /* frames per sample */
+  guint32 compressor_name;
+  guint16 depth;
+  guint16 color_table_id;
+} __attribute__((packed)) /* FIXME may it wasn't necessary? */ GstQtpStsdVideRec;
+
+typedef struct {
+  guint32 count;
+  guint32 duration;
+} GstQtpSttsRec;
+
+typedef struct {
+  guint32 first_chunk;
+  guint32 samples_per_chunk;
+  guint32 sample_desc;
+} GstQtpStscRec;
+
+struct _GstQTDemux {
+  GstElement element;
+
+  /* pads */
+  GstPad *sinkpad;
+  GstPad *video_pad[GST_QTDEMUX_MAX_VIDEO_PADS];
+  int num_video_pads;
+
+  GstByteStream *bs;
+  guint64 bs_pos; /* current position in bs (coz bs won't tell) */
+
+  /* 
+   * nesting stack: everytime parser reads a header
+   * of a container atom it is added to the stack until 
+   * and removed whenever it's over (read completely)
+   */
+  GSList * nested;
+  int nested_cnt; /* just to make it simpler */
+
+  GList * tracks;
+  GTree * samples; /* samples of all the tracks ordered by the offset */
+};
+
+struct _GstQTDemuxClass {
+  GstElementClass parent_class;
+};
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __GST_QTDEMUX_H__ */