Adds a first draft of an FLV demuxer.

Original commit message from CVS:
2007-07-19  Julien MOUTTE  <julien@moutte.net>

* configure.ac:
* gst/flv/Makefile.am:
* gst/flv/gstflvdemux.c: (gst_flv_demux_flush),
(gst_flv_demux_cleanup), (gst_flv_demux_chain),
(gst_flv_demux_pull_tag), (gst_flv_demux_pull_header),
(gst_flv_demux_seek_to_prev_keyframe), (gst_flv_demux_loop),
(gst_flv_demux_sink_activate),
(gst_flv_demux_sink_activate_push),
(gst_flv_demux_sink_activate_pull), (gst_flv_demux_sink_event),
(gst_flv_demux_change_state), (gst_flv_demux_dispose),
(gst_flv_demux_base_init), (gst_flv_demux_class_init),
(gst_flv_demux_init), (plugin_init):
* gst/flv/gstflvdemux.h:
* gst/flv/gstflvparse.c: (FLV_GET_BEUI24), (FLV_GET_STRING),
(gst_flv_demux_query_types), (gst_flv_demux_query),
(gst_flv_parse_metadata_item), (gst_flv_parse_tag_script),
(gst_flv_parse_tag_audio), (gst_flv_parse_tag_video),
(gst_flv_parse_tag_type), (gst_flv_parse_header):
* gst/flv/gstflvparse.h: Adds a first draft of an FLV demuxer.
It does not do seeking yet, it supports pull and push mode so
YES
you can use it to play youtube videos directly from an HTTP uri.
Not so much testing done yet but it parses metadata, reply to
duration queries, etc...

1 files changed, 108 insertions, 0 deletions

diff --git a/gst/flv/gstflvdemux.h b/gst/flv/gstflvdemux.h
new file mode 100644
index 00000000..09de14fd
--- /dev/null
+++ b/gst/flv/gstflvdemux.h
@@ -0,0 +1,108 @@
+/* GStreamer
+ * Copyright (C) <2007> Julien Moutte <julien@moutte.net>
+ *
+ * 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 __FLV_DEMUX_H__
+#define __FLV_DEMUX_H__
+
+#include <gst/gst.h>
+#include <gst/base/gstadapter.h>
+
+G_BEGIN_DECLS
+  
+#define GST_TYPE_FLV_DEMUX \
+  (gst_flv_demux_get_type())
+#define GST_FLV_DEMUX(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FLV_DEMUX,GstFLVDemux))
+#define GST_FLV_DEMUX_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FLV_DEMUX,GstFLVDemuxClass))
+#define GST_IS_FLV_DEMUX(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FLV_DEMUX))
+#define GST_IS_FLV_DEMUX_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FLV_DEMUX))
+
+typedef struct _GstFLVDemux GstFLVDemux;
+typedef struct _GstFLVDemuxClass GstFLVDemuxClass;
+
+typedef enum {
+  FLV_STATE_HEADER,
+  FLV_STATE_TAG_TYPE,
+  FLV_STATE_TAG_VIDEO,
+  FLV_STATE_TAG_AUDIO,
+  FLV_STATE_TAG_SCRIPT,
+  FLV_STATE_DONE,
+  FLV_STATE_NONE
+} GstFLVDemuxState;
+
+struct _GstFLVDemux {
+  GstElement element;
+
+  GstPad * sinkpad;
+  
+  GstPad * audio_pad;
+  GstPad * video_pad;
+  
+  GstAdapter * adapter;
+  
+  GstSegment * segment;
+  
+  GstEvent * new_seg_event;
+  
+  GstTagList * taglist;
+  
+  GstFLVDemuxState state;
+  
+  guint64 offset;
+  GstClockTime duration;
+  guint64 tag_size;
+  guint64 tag_data_size;
+  
+  /* Audio infos */
+  guint16 rate;
+  guint16 channels;
+  guint16 width;
+  guint16 audio_codec_tag;
+  guint64 audio_offset;
+  gboolean audio_need_discont;
+  gboolean audio_need_segment;
+  
+  /* Video infos */
+  guint32 w;
+  guint32 h;
+  guint16 video_codec_tag;
+  guint64 video_offset;
+  gboolean video_need_discont;
+  gboolean video_need_segment;
+  
+  gboolean random_access;
+  gboolean need_header;
+  gboolean has_audio;
+  gboolean has_video;
+  gboolean push_tags;
+  gboolean strict;
+};
+
+struct _GstFLVDemuxClass {
+  GstElementClass parent_class;
+};
+
+GType gst_flv_demux_get_type (void);
+
+G_END_DECLS
+
+#endif /* __FLV_DEMUX_H__ */