--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/gst_plugins_base/ext/alsa/gstalsamixertrack.h Wed Sep 01 12:16:41 2010 +0100
@@ -0,0 +1,79 @@
+/* ALSA mixer track object.
+ * Copyright (C) 2003 Leif Johnson <leif@ambient.2y.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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+
+#ifndef __GST_ALSA_MIXER_TRACK_H__
+#define __GST_ALSA_MIXER_TRACK_H__
+
+
+#include "gstalsa.h"
+#include <gst/interfaces/mixertrack.h>
+
+
+G_BEGIN_DECLS
+
+
+#define GST_ALSA_MIXER_TRACK_TYPE (gst_alsa_mixer_track_get_type ())
+#define GST_ALSA_MIXER_TRACK(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ALSA_MIXER_TRACK,GstAlsaMixerTrack))
+#define GST_ALSA_MIXER_TRACK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ALSA_MIXER_TRACK,GstAlsaMixerTrackClass))
+#define GST_IS_ALSA_MIXER_TRACK(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ALSA_MIXER_TRACK))
+#define GST_IS_ALSA_MIXER_TRACK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ALSA_MIXER_TRACK))
+#define GST_TYPE_ALSA_MIXER_TRACK (gst_alsa_mixer_track_get_type())
+
+typedef struct _GstAlsaMixerTrack GstAlsaMixerTrack;
+typedef struct _GstAlsaMixerTrackClass GstAlsaMixerTrackClass;
+
+#define GST_ALSA_MIXER_TRACK_VOLUME (1<<0) /* common volume */
+#define GST_ALSA_MIXER_TRACK_PVOLUME (1<<1)
+#define GST_ALSA_MIXER_TRACK_CVOLUME (1<<2)
+#define GST_ALSA_MIXER_TRACK_SWITCH (1<<3) /* common switch */
+#define GST_ALSA_MIXER_TRACK_PSWITCH (1<<4)
+#define GST_ALSA_MIXER_TRACK_CSWITCH (1<<5)
+#define GST_ALSA_MIXER_TRACK_CSWITCH_EXCL (1<<6)
+
+#define GST_ALSA_MAX_CHANNELS (SND_MIXER_SCHN_LAST+1)
+
+struct _GstAlsaMixerTrack {
+ GstMixerTrack parent;
+ snd_mixer_elem_t *element; /* the ALSA mixer element for this track */
+ GstAlsaMixerTrack *shared_mute;
+ gint track_num;
+ guint32 alsa_flags; /* alsa track capabilities */
+ gint alsa_channels;
+ gint capture_group;
+ gint volumes[GST_ALSA_MAX_CHANNELS];
+};
+
+struct _GstAlsaMixerTrackClass {
+ GstMixerTrackClass parent;
+};
+
+GType gst_alsa_mixer_track_get_type (void);
+GstMixerTrack * gst_alsa_mixer_track_new (snd_mixer_elem_t * element,
+ gint num,
+ gint track_num,
+ gint flags,
+ gboolean sw, /* is simple switch? */
+ GstAlsaMixerTrack * shared_mute_track,
+ gboolean label_append_capture);
+void gst_alsa_mixer_track_update (GstAlsaMixerTrack * alsa_track);
+
+G_END_DECLS
+
+
+#endif /* __GST_ALSA_MIXER_TRACK_H__ */