author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:30:33 +0300 | |
branch | RCL_3 |
changeset 29 | 567bb019e3e3 |
parent 0 | 0e761a78d257 |
child 30 | 7e817e7e631c |
permissions | -rw-r--r-- |
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/* GStreamer Mixer |
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* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net> |
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* |
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* mixer.h: mixer interface design |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public |
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* License along with this library; if not, write to the |
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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* Boston, MA 02111-1307, USA. |
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*/ |
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|
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#ifndef __GST_MIXER_H__ |
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#define __GST_MIXER_H__ |
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#include <gst/gst.h> |
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#include <gst/interfaces/mixeroptions.h> |
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#include <gst/interfaces/mixertrack.h> |
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#include <gst/interfaces/interfaces-enumtypes.h> |
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G_BEGIN_DECLS |
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#define GST_TYPE_MIXER \ |
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(gst_mixer_get_type ()) |
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#define GST_MIXER(obj) \ |
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(GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MIXER, GstMixer)) |
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#define GST_MIXER_CLASS(klass) \ |
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MIXER, GstMixerClass)) |
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#define GST_IS_MIXER(obj) \ |
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(GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MIXER)) |
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#define GST_IS_MIXER_CLASS(klass) \ |
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MIXER)) |
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#define GST_MIXER_GET_CLASS(inst) \ |
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(G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_MIXER, GstMixerClass)) |
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#define GST_MIXER_TYPE(klass) (klass->mixer_type) |
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typedef struct _GstMixer GstMixer; |
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typedef struct _GstMixerClass GstMixerClass; |
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typedef enum |
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{ |
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GST_MIXER_HARDWARE, |
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GST_MIXER_SOFTWARE |
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} GstMixerType; |
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/** |
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* GstMixerMessageType: |
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* @GST_MIXER_MESSAGE_INVALID: Not a GstMixer message |
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* @GST_MIXER_MESSAGE_MUTE_TOGGLED: A mute-toggled GstMixer message |
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* @GST_MIXER_MESSAGE_RECORD_TOGGLED: A record-toggled GstMixer message |
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* @GST_MIXER_MESSAGE_VOLUME_CHANGED: A volume-changed GstMixer message |
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* @GST_MIXER_MESSAGE_OPTION_CHANGED: An option-changed GstMixer message |
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* @GST_MIXER_MESSAGE_OPTIONS_LIST_CHANGED: An options-list-changed |
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* GstMixer message, posted when the list of available options for a |
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* GstMixerOptions object has changed (Since: 0.10.18) |
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* @GST_MIXER_MESSAGE_MIXER_CHANGED: A mixer-changed GstMixer message, posted |
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* when the list of available mixer tracks has changed. The application |
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* should re-build its interface in this case (Since: 0.10.18) |
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* |
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* An enumeration for the type of a GstMixer message received on the bus |
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* |
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* Since: 0.10.14 |
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*/ |
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typedef enum |
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{ |
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GST_MIXER_MESSAGE_INVALID, |
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GST_MIXER_MESSAGE_MUTE_TOGGLED, |
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GST_MIXER_MESSAGE_RECORD_TOGGLED, |
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GST_MIXER_MESSAGE_VOLUME_CHANGED, |
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GST_MIXER_MESSAGE_OPTION_CHANGED, |
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GST_MIXER_MESSAGE_OPTIONS_LIST_CHANGED, |
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GST_MIXER_MESSAGE_MIXER_CHANGED |
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} GstMixerMessageType; |
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|
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/** |
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* GstMixerFlags: |
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* @GST_MIXER_FLAG_NONE: No flags |
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* @GST_MIXER_FLAG_AUTO_NOTIFICATIONS: The mixer implementation automatically |
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* sends notification messages. |
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* @GST_MIXER_FLAG_HAS_WHITELIST: The mixer implementation flags tracks that |
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* should be displayed by default (whitelisted). Since: 0.10.23 |
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* @GST_MIXER_FLAG_GROUPING: The mixer implementation will leave some controls |
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* marked without either input or output. Controls marked as input or |
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* output should be grouped with input & output sliders, even if they |
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* are options or bare switches. Since: 0.10.23 |
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* |
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* Flags indicating which optional features are supported by a mixer |
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* implementation. |
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* |
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* Since: 0.10.14 |
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*/ |
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typedef enum |
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{ |
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GST_MIXER_FLAG_NONE = 0, |
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GST_MIXER_FLAG_AUTO_NOTIFICATIONS = (1<<0), |
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GST_MIXER_FLAG_HAS_WHITELIST = (1<<1), |
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GST_MIXER_FLAG_GROUPING = (1<<2), |
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} GstMixerFlags; |
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|
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struct _GstMixerClass { |
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GTypeInterface klass; |
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|
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GstMixerType mixer_type; |
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|
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/* virtual functions */ |
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const GList * (* list_tracks) (GstMixer *mixer); |
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|
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void (* set_volume) (GstMixer *mixer, |
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GstMixerTrack *track, |
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gint *volumes); |
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void (* get_volume) (GstMixer *mixer, |
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GstMixerTrack *track, |
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gint *volumes); |
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|
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void (* set_mute) (GstMixer *mixer, |
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GstMixerTrack *track, |
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gboolean mute); |
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void (* set_record) (GstMixer *mixer, |
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GstMixerTrack *track, |
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gboolean record); |
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#ifndef GST_DISABLE_DEPRECATED |
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/* signals (deprecated) */ |
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void (* mute_toggled) (GstMixer *mixer, |
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GstMixerTrack *channel, |
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gboolean mute); |
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void (* record_toggled) (GstMixer *mixer, |
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GstMixerTrack *channel, |
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gboolean record); |
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void (* volume_changed) (GstMixer *mixer, |
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GstMixerTrack *channel, |
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gint *volumes); |
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#else |
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gpointer padding1[3]; |
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#endif /* not GST_DISABLE_DEPRECATED */ |
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|
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void (* set_option) (GstMixer *mixer, |
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GstMixerOptions *opts, |
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gchar *value); |
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const gchar * (* get_option) (GstMixer *mixer, |
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GstMixerOptions *opts); |
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|
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#ifndef GST_DISABLE_DEPRECATED |
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void (* option_changed) (GstMixer *mixer, |
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GstMixerOptions *opts, |
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gchar *option); |
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#else |
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gpointer padding2; |
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#endif /* not GST_DISABLE_DEPRECATED */ |
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|
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GstMixerFlags (* get_mixer_flags) (GstMixer *mixer); |
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|
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/*< private >*/ |
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gpointer _gst_reserved[GST_PADDING-1]; |
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}; |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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|
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|
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GType gst_mixer_get_type (void); |
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|
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/* virtual class function wrappers */ |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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const GList * gst_mixer_list_tracks (GstMixer *mixer); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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|
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void gst_mixer_set_volume (GstMixer *mixer, |
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GstMixerTrack *track, |
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gint *volumes); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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|
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void gst_mixer_get_volume (GstMixer *mixer, |
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GstMixerTrack *track, |
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gint *volumes); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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|
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void gst_mixer_set_mute (GstMixer *mixer, |
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GstMixerTrack *track, |
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gboolean mute); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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|
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void gst_mixer_set_record (GstMixer *mixer, |
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GstMixerTrack *track, |
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gboolean record); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_mixer_set_option (GstMixer *mixer, |
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GstMixerOptions *opts, |
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gchar *value); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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const gchar * gst_mixer_get_option (GstMixer *mixer, |
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GstMixerOptions *opts); |
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/* trigger bus messages */ |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_mixer_mute_toggled (GstMixer *mixer, |
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GstMixerTrack *track, |
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gboolean mute); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_mixer_record_toggled (GstMixer *mixer, |
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GstMixerTrack *track, |
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gboolean record); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_mixer_volume_changed (GstMixer *mixer, |
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GstMixerTrack *track, |
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gint *volumes); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_mixer_option_changed (GstMixer *mixer, |
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GstMixerOptions *opts, |
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gchar *value); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_mixer_mixer_changed (GstMixer *mixer); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_mixer_options_list_changed (GstMixer *mixer, |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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GstMixerOptions *opts); |
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GstMixerType gst_mixer_get_mixer_type (GstMixer *mixer); |
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IMPORT_C |
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#endif |
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GstMixerFlags gst_mixer_get_mixer_flags (GstMixer *mixer); |
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/* Functions for recognising and parsing GstMixerMessages on the bus */ |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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GstMixerMessageType gst_mixer_message_get_type (GstMessage *message); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_mixer_message_parse_mute_toggled (GstMessage *message, |
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GstMixerTrack **track, |
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gboolean *mute); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_mixer_message_parse_record_toggled (GstMessage *message, |
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GstMixerTrack **track, |
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gboolean *record); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_mixer_message_parse_volume_changed (GstMessage *message, |
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GstMixerTrack **track, |
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gint **volumes, |
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gint *num_channels); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_mixer_message_parse_option_changed (GstMessage *message, |
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GstMixerOptions **options, |
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const gchar **value); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_mixer_message_parse_options_list_changed (GstMessage *message, |
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GstMixerOptions **options); |
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G_END_DECLS |
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#endif /* __GST_MIXER_H__ */ |