src/polypmixerctrl.h


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#ifndef __GST_POLYPMIXERCTRL_H__
#define __GST_POLYPMIXERCTRL_H__

/* $Id$ */

/***
  This file is part of gst-polyp.
 
  gst-polyp is free software; you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as
  published by the Free Software Foundation; either version 2.1 of the
  License, or (at your option) any later version.
 
  gst-polyp 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
  Lesser General Public License for more details.
 
  You should have received a copy of the GNU Lesser General Public
  License along with gst-polyp; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  USA.
***/

#include <gst/gst.h>
#include <gst/interfaces/mixer.h>

#include <polyp/polypaudio.h>
#include <polyp/thread-mainloop.h>

G_BEGIN_DECLS

#define GST_POLYPMIXER_CTRL(obj) ((GstPolypMixerCtrl*)(obj))

typedef struct _GstPolypMixerCtrl GstPolypMixerCtrl;

struct _GstPolypMixerCtrl {
    GList *tracklist;
    
    gchar *server, *device;

    pa_threaded_mainloop *mainloop;
    pa_context *context;

    gchar *name, *description;
    pa_channel_map channel_map;
    pa_cvolume volume;
    int muted;
    guint32 index;
    enum { GST_POLYPMIXER_UNKNOWN, GST_POLYPMIXER_SINK, GST_POLYPMIXER_SOURCE } type;
    int operation_success;

    GstMixerTrack *track;

    pa_time_event *time_event;
};

GstPolypMixerCtrl* gst_polypmixer_ctrl_new(const gchar *server, const gchar *device);
void gst_polypmixer_ctrl_free(GstPolypMixerCtrl *mixer);

const GList* gst_polypmixer_ctrl_list_tracks(GstPolypMixerCtrl *mixer);
void gst_polypmixer_ctrl_set_volume(GstPolypMixerCtrl *mixer, GstMixerTrack *track, gint *volumes);
void gst_polypmixer_ctrl_get_volume(GstPolypMixerCtrl *mixer, GstMixerTrack *track, gint *volumes);
void gst_polypmixer_ctrl_set_mute(GstPolypMixerCtrl *mixer, GstMixerTrack *track, gboolean mute);
void gst_polypmixer_ctrl_set_record(GstPolypMixerCtrl *mixer, GstMixerTrack *track, gboolean record);

#define GST_IMPLEMENT_POLYPMIXER_CTRL_METHODS(Type, interface_as_function)     \
static gboolean                                                                 \
interface_as_function ## _supported (Type *this, GType iface_type)              \
{                                                                               \
  g_assert (iface_type == GST_TYPE_MIXER);                                      \
                                                                                \
  return (this->mixer != NULL);                                                 \
}                                                                               \
                                                                                \
static const GList*                                                             \
interface_as_function ## _list_tracks (GstMixer * mixer)                        \
{                                                                               \
  Type *this = (Type*) mixer;                                                   \
                                                                                \
  g_return_val_if_fail (this != NULL, NULL);                                    \
  g_return_val_if_fail (this->mixer != NULL, NULL);                             \
                                                                                \
  return gst_polypmixer_ctrl_list_tracks (this->mixer);                         \
}                                                                               \
static void                                                                     \
interface_as_function ## _set_volume (GstMixer * mixer, GstMixerTrack * track,  \
    gint * volumes)                                                             \
{                                                                               \
  Type *this = (Type*) mixer;                                                   \
                                                                                \
  g_return_if_fail (this != NULL);                                              \
  g_return_if_fail (this->mixer != NULL);                                       \
                                                                                \
  gst_polypmixer_ctrl_set_volume (this->mixer, track, volumes);                 \
}                                                                               \
static void                                                                     \
interface_as_function ## _get_volume (GstMixer * mixer, GstMixerTrack * track,  \
    gint * volumes)                                                             \
{                                                                               \
  Type *this = (Type*) mixer;                                                   \
                                                                                \
  g_return_if_fail (this != NULL);                                              \
  g_return_if_fail (this->mixer != NULL);                                       \
                                                                                \
  gst_polypmixer_ctrl_get_volume (this->mixer, track, volumes);                 \
}                                                                               \
                                                                                \
static void                                                                     \
interface_as_function ## _set_record (GstMixer * mixer, GstMixerTrack * track,  \
    gboolean record)                                                            \
{                                                                               \
  Type *this = (Type*) mixer;                                                   \
                                                                                \
  g_return_if_fail (this != NULL);                                              \
  g_return_if_fail (this->mixer != NULL);                                       \
                                                                                \
  gst_polypmixer_ctrl_set_record (this->mixer, track, record);                  \
}                                                                               \
                                                                                \
static void                                                                     \
interface_as_function ## _set_mute (GstMixer * mixer, GstMixerTrack * track,    \
    gboolean mute)                                                              \
{                                                                               \
  Type *this = (Type*) mixer;                                                   \
                                                                                \
  g_return_if_fail (this != NULL);                                              \
  g_return_if_fail (this->mixer != NULL);                                       \
                                                                                \
  gst_polypmixer_ctrl_set_mute (this->mixer, track, mute);                      \
}                                                                               \
                                                                                \
static void                                                                     \
interface_as_function ## _interface_init (GstMixerClass * klass)                \
{                                                                               \
  GST_MIXER_TYPE (klass) = GST_MIXER_HARDWARE;                                  \
                                                                                \
  /* set up the interface hooks */                                              \
  klass->list_tracks = interface_as_function ## _list_tracks;                   \
  klass->set_volume  = interface_as_function ## _set_volume;                    \
  klass->get_volume  = interface_as_function ## _get_volume;                    \
  klass->set_mute    = interface_as_function ## _set_mute;                      \
  klass->set_record  = interface_as_function ## _set_record;                    \
}

G_END_DECLS

#endif