//roarmixer.h: /* GStreamer * Copyright (C) <2005> Arwed v. Merkatz * Copyright (C) <2008-2014> Philipp 'ph3-der-loewe' Schafft * * * roarmixer.h: an RoarAudio audio mixer * * 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, 51 Franklin Street, Fifth Floor, * Boston, MA 02111-1307, USA. */ #ifndef __GST_ROARMIXER_H__ #define __GST_ROARMIXER_H__ #include #include #include #define VERSION "0.0.1" #define PACKAGE "gst-plugins" #define GST_PACKAGE_ORIGIN "Unknown package origin" #define GST_PACKAGE_NAME "GStreamer Plug-ins source release" G_BEGIN_DECLS #define GST_ROAR_MIXER_ELEMENT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ROAR_MIXER_ELEMENT,GstRoarMixerElement)) #define GST_ROAR_MIXER_ELEMENT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ROAR_MIXER_ELEMENT,GstRoarMixerElementClass)) #define GST_IS_ROAR_MIXER_ELEMENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ROAR_MIXER_ELEMENT)) #define GST_IS_ROAR_MIXER_ELEMENT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ROAR_MIXER_ELEMENT)) #define GST_TYPE_ROAR_MIXER_ELEMENT (gst_roar_mixer_element_get_type()) #define GST_TYPE_ROARMIXER_TRACK \ (gst_roarmixer_track_get_type ()) #define GST_ROARMIXER_TRACK(obj) \ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_ROARMIXER_TRACK, \ GstRoarMixerTrack)) #define GST_ROARMIXER_TRACK_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_ROARMIXER_TRACK, \ GstRoarMixerTrackClass)) #define GST_IS_ROARMIXER_TRACK(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_ROARMIXER_TRACK)) #define GST_IS_ROARMIXER_TRACK_CLASS(klass) \ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_ROARMIXER_TRACK)) typedef struct _GstRoarMixerElement GstRoarMixerElement; typedef struct _GstRoarMixerElementClass GstRoarMixerElementClass; typedef struct _GstRoarMixer GstRoarMixer; struct _GstRoarMixerElement { GstElement parent; GstRoarMixer *mixer; }; struct _GstRoarMixerElementClass { GstElementClass parent; }; GType gst_roar_mixer_element_get_type (void); typedef enum { GST_ROAR_MIXER_CAPTURE = 1<<0, GST_ROAR_MIXER_PLAYBACK = 1<<1, GST_ROAR_MIXER_ALL = GST_ROAR_MIXER_CAPTURE | GST_ROAR_MIXER_PLAYBACK } GstRoarMixerDirection; #define GST_ROAR_MIXER(obj) ((GstRoarMixer*)(obj)) struct _GstRoarMixer { GList * tracklist; /* list of available tracks */ struct roar_connection con; int fd; gchar *host; gchar * device; gchar * cardname; GstRoarMixerDirection dir; }; typedef struct _GstRoarMixerTrack { GstMixerTrack parent; struct roar_mixer_settings mixer; gint channels; gchar * name; gint stream_id; } GstRoarMixerTrack; typedef struct _GstRoarMixerTrackClass { GstMixerTrackClass parent; } GstRoarMixerTrackClass; GType gst_roarmixer_get_type(void); gboolean gst_roarmixer_factory_init (GstPlugin *plugin); GstRoarMixer* gst_roarmixer_new (const gchar *device, GstRoarMixerDirection dir); void gst_roarmixer_free (GstRoarMixer *mixer); void gst_roarmixer_updatestreamlist (GstRoarMixer *mixer); const GList* gst_roarmixer_list_tracks (GstRoarMixer * mixer); void gst_roarmixer_set_volume (GstRoarMixer * mixer, GstMixerTrack * track, gint * volumes); void gst_roarmixer_get_volume (GstRoarMixer * mixer, GstMixerTrack * track, gint * volumes); void gst_roarmixer_set_record (GstRoarMixer * mixer, GstMixerTrack * track, gboolean record); void gst_roarmixer_set_mute (GstRoarMixer * mixer, GstMixerTrack * track, gboolean mute); GType gst_roarmixer_track_get_type (void); GstMixerTrack * gst_roarmixer_track_new (GstRoarMixer * mixer, gint stream_id); #define GST_IMPLEMENT_ROAR_MIXER_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_roarmixer_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_roarmixer_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_roarmixer_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_roarmixer_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_roarmixer_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 /* __GST_ROARMIXER_H__ */