mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-28 04:31:06 +00:00
491381bf8c
Original commit message from CVS: 2004-01-06 Ronald Bultje <rbultje@ronald.bitfreak.net> * ext/shout/gstshout.c: (gst_icecastsend_base_init), (gst_icecastsend_init): fix for new caps system. * gst-libs/gst/mixer/mixertrack.h: * sys/oss/gstossmixer.c: (gst_ossmixer_build_list): Add 'master track' flag (for tools like ACME that only want to change the main volume).
97 lines
2.9 KiB
C
97 lines
2.9 KiB
C
/* GStreamer Mixer
|
|
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
|
|
*
|
|
* mixertrack.h: mixer track object
|
|
*
|
|
* 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_MIXER_TRACK_H__
|
|
#define __GST_MIXER_TRACK_H__
|
|
|
|
#include <gst/gst.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_MIXER_TRACK \
|
|
(gst_mixer_track_get_type ())
|
|
#define GST_MIXER_TRACK(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MIXER_TRACK, \
|
|
GstMixerTrack))
|
|
#define GST_MIXER_TRACK_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MIXER_TRACK, \
|
|
GstMixerTrackClass))
|
|
#define GST_IS_MIXER_TRACK(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MIXER_TRACK))
|
|
#define GST_IS_MIXER_TRACK_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MIXER_TRACK))
|
|
|
|
/*
|
|
* Naming:
|
|
*
|
|
* A track is a single input/output stream (e.g. line-in,
|
|
* microphone, etc.). Channels are then single streams
|
|
* within a track. A mono stream has one channel, a stereo
|
|
* stream has two, etc.
|
|
*
|
|
* Input tracks can have 'recording' enabled, which means
|
|
* that any input will be hearable into the speakers that
|
|
* are attached to the output. Mute is obvious. A track
|
|
* flagged as master is the master volume track on this
|
|
* mixer, which means that setting this track will change
|
|
* the hearable volume on any output.
|
|
*/
|
|
|
|
typedef enum {
|
|
GST_MIXER_TRACK_INPUT = (1<<0),
|
|
GST_MIXER_TRACK_OUTPUT = (1<<1),
|
|
GST_MIXER_TRACK_MUTE = (1<<2),
|
|
GST_MIXER_TRACK_RECORD = (1<<3),
|
|
GST_MIXER_TRACK_MASTER = (1<<4)
|
|
} GstMixerTrackFlags;
|
|
|
|
#define GST_MIXER_TRACK_HAS_FLAG(channel, flag) \
|
|
((channel)->flags & flag)
|
|
|
|
typedef struct _GstMixerTrack {
|
|
GObject parent;
|
|
|
|
gchar *label;
|
|
GstMixerTrackFlags flags;
|
|
gint num_channels,
|
|
min_volume,
|
|
max_volume;
|
|
} GstMixerTrack;
|
|
|
|
typedef struct _GstMixerTrackClass {
|
|
GObjectClass parent;
|
|
|
|
/* signals */
|
|
void (* mute_toggled) (GstMixerTrack *channel,
|
|
gboolean mute);
|
|
void (* record_toggled) (GstMixerTrack *channel,
|
|
gboolean record);
|
|
void (* volume_changed) (GstMixerTrack *channel,
|
|
gint *volumes);
|
|
|
|
gpointer _gst_reserved[GST_PADDING];
|
|
} GstMixerTrackClass;
|
|
|
|
GType gst_mixer_track_get_type (void);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_MIXER_TRACK_H__ */
|