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authorAndy Wingo <wingo@pobox.com>2001-12-22 23:27:31 +0000
committerAndy Wingo <wingo@pobox.com>2001-12-22 23:27:31 +0000
commit185612aae3b8acae2b32e0e6561691a7c640cd0d (patch)
tree7cd1990c3df5c63f402f3e0bdf6b51b3ed58fc41 /gst/wavparse/gstwavparse.h
parent87dab192cf5792f847a22e0c3e9afe78553739b5 (diff)
Initial revision
Original commit message from CVS: Initial revision
Diffstat (limited to 'gst/wavparse/gstwavparse.h')
-rw-r--r--gst/wavparse/gstwavparse.h99
1 files changed, 99 insertions, 0 deletions
diff --git a/gst/wavparse/gstwavparse.h b/gst/wavparse/gstwavparse.h
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+/* Gnome-Streamer
+ * 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_PARSEWAV_H__
+#define __GST_PARSEWAV_H__
+
+
+#include <config.h>
+#include <gst/gst.h>
+#include <gstriff.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#define GST_TYPE_PARSEWAV \
+ (gst_parsewav_get_type())
+#define GST_PARSEWAV(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PARSEWAV,GstParseWav))
+#define GST_PARSEWAV_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PARSEWAV,GstParseWav))
+#define GST_IS_PARSEWAV(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PARSEWAV))
+#define GST_IS_PARSEWAV_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PARSEWAV))
+
+
+#define GST_PARSEWAV_UNKNOWN 0 /* initialized state */
+#define GST_PARSEWAV_CHUNK_FMT 1 /* searching for fmt */
+#define GST_PARSEWAV_CHUNK_DATA 2 /* searching for data */
+#define GST_PARSEWAV_DATA 3 /* in data region */
+#define GST_PARSEWAV_OTHER 4 /* in unknown region */
+
+typedef struct _GstParseWav GstParseWav;
+typedef struct _GstParseWavClass GstParseWavClass;
+
+struct _GstParseWav {
+ GstElement element;
+
+ /* pads */
+ GstPad *sinkpad,*srcpad;
+
+ /* WAVE decoding state */
+ gint state;
+
+ /* RIFF decoding state */
+ GstRiff *riff;
+ gulong riff_nextlikely;
+
+ /* expected length of audio */
+ gulong size;
+
+ /* useful audio data */
+ gint bps;
+
+};
+
+struct _GstParseWavClass {
+ GstElementClass parent_class;
+};
+
+GType gst_parsewav_get_type(void);
+
+typedef struct _GstParseWavFormat GstParseWavFormat;
+
+struct _GstParseWavFormat {
+ gint16 wFormatTag;
+ guint16 wChannels;
+ guint32 dwSamplesPerSec;
+ guint32 dwAvgBytesPerSec;
+ guint16 wBlockAlign;
+ guint16 wBitsPerSample;
+};
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_PARSEAU_H__ */