Add an AIFF parsing element, heavily based on wavparse.

Original commit message from CVS:
* configure.ac:
* gst/aiffparse/Makefile.am:
* gst/aiffparse/aiffparse.c:
* gst/aiffparse/aiffparse.h:
Add an AIFF parsing element, heavily based on wavparse.

1 files changed, 122 insertions, 0 deletions

diff --git a/gst/aiffparse/aiffparse.h b/gst/aiffparse/aiffparse.h
new file mode 100644
index 00000000..5499a9b6
--- /dev/null
+++ b/gst/aiffparse/aiffparse.h
@@ -0,0 +1,122 @@
+/* GStreamer
+ * Copyright (C) <2008> Pioneers of the Inevitable <songbird@songbirdnest.com>
+ *
+ * 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_AIFFPARSE_H__
+#define __GST_AIFFPARSE_H__
+
+
+#include <gst/gst.h>
+#include "gst/riff/riff-ids.h"
+#include "gst/riff/riff-read.h"
+#include <gst/base/gstadapter.h>
+
+G_BEGIN_DECLS
+
+#define TYPE_AIFFPARSE \
+  (gst_aiffparse_get_type())
+#define AIFFPARSE(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),TYPE_AIFFPARSE,AIFFParse))
+#define AIFFPARSE_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),TYPE_AIFFPARSE,AIFFParseClass))
+#define IS_AIFFPARSE(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),TYPE_AIFFPARSE))
+#define IS_AIFFPARSE_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),TYPE_AIFFPARSE))
+
+typedef enum {
+  AIFFPARSE_START,
+  AIFFPARSE_HEADER,
+  AIFFPARSE_DATA
+} AIFFParseState;
+
+typedef struct _AIFFParse AIFFParse;
+typedef struct _AIFFParseClass AIFFParseClass;
+
+/**
+ * AIFFParse:
+ *
+ * Opaque data structure.
+ */
+struct _AIFFParse {
+  GstElement parent;
+
+  /* pads */
+  GstPad *sinkpad,*srcpad;
+
+  GstCaps     *caps;
+  GstEvent    *close_segment;
+  GstEvent    *start_segment;
+
+  /* AIFF decoding state */
+  AIFFParseState state;
+
+  /* format of audio, see defines below */
+  gint format;
+
+  gboolean is_aifc;
+
+  /* useful audio data */
+  guint32 rate;
+  guint16 channels;
+  guint16 width;
+  guint32 endianness;
+
+  /* real bytes per second used or 0 when no bitrate is known */
+  guint32 bps;
+
+  guint bytes_per_sample;
+
+  guint32   total_frames;
+
+  /* position in data part */
+  guint64	offset;
+  guint64	end_offset;
+  guint64 	dataleft;
+  /* offset/length of data part */
+  guint64 	datastart;
+  guint64 	datasize;
+  /* duration in time */
+  guint64 	duration;
+
+  /* pending seek */
+  GstEvent *seek_event;
+
+  /* For streaming */
+  GstAdapter *adapter;
+  gboolean got_comm;
+  gboolean streaming;
+
+  /* configured segment, start/stop expressed in time */
+  GstSegment segment;
+  gboolean segment_running;
+
+  /* discont after seek */
+  gboolean discont;
+};
+
+struct _AIFFParseClass {
+  GstElementClass parent_class;
+};
+
+GType aiffparse_get_type(void);
+
+G_END_DECLS
+
+#endif /* __GST_AIFFPARSE_H__ */