diff options
Diffstat (limited to 'sys/oss/gstossmixer.h')
| -rw-r--r-- | sys/oss/gstossmixer.h | 167 |
1 files changed, 136 insertions, 31 deletions
diff --git a/sys/oss/gstossmixer.h b/sys/oss/gstossmixer.h index 2eede0ed..c5a8f325 100644 --- a/sys/oss/gstossmixer.h +++ b/sys/oss/gstossmixer.h @@ -19,48 +19,153 @@ * Boston, MA 02111-1307, USA. */ + #ifndef __GST_OSS_MIXER_H__ #define __GST_OSS_MIXER_H__ + #include <gst/gst.h> #include <gst/interfaces/mixer.h> #include "gstosshelper.h" + G_BEGIN_DECLS -#define GST_TYPE_OSSMIXER_TRACK \ - (gst_ossmixer_track_get_type ()) -#define GST_OSSMIXER_TRACK(obj) \ - (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_OSSMIXER_TRACK, \ - GstOssMixerTrack)) -#define GST_OSSMIXER_TRACK_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_OSSMIXER_TRACK, \ - GstOssMixerTrackClass)) -#define GST_IS_OSSMIXER_TRACK(obj) \ - (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_OSSMIXER_TRACK)) -#define GST_IS_OSSMIXER_TRACK_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_OSSMIXER_TRACK)) - -typedef struct _GstOssMixerTrack { - GstMixerTrack parent; - - gint lvol, rvol; - gint track_num; -} GstOssMixerTrack; - -typedef struct _GstOssMixerTrackClass { - GstMixerTrackClass parent; -} GstOssMixerTrackClass; - -GType gst_ossmixer_track_get_type (void); - -void gst_ossmixer_interface_init (GstMixerClass *klass); -void gst_oss_interface_init (GstImplementsInterfaceClass *klass); -void gst_ossmixer_build_list (GstOssDeviceCombination * c, - GstOssDevice *oss); -void gst_ossmixer_free_list (GstOssDevice *oss); + +#define GST_OSS_MIXER(obj) ((GstOssMixer*)(obj)) + + +typedef enum { + GST_OSS_MIXER_CAPTURE = 1<<0, + GST_OSS_MIXER_PLAYBACK = 1<<1, + GST_OSS_MIXER_ALL = GST_OSS_MIXER_CAPTURE | GST_OSS_MIXER_PLAYBACK +} GstOssMixerDirection; + + +typedef struct _GstOssMixer GstOssMixer; + + +struct _GstOssMixer { + GList * tracklist; /* list of available tracks */ + + gint mixer_fd; + + gchar * device; + gchar * cardname; + + gint recmask; + gint recdevs; + gint stereomask; + gint devmask; + gint mixcaps; + + GstOssMixerDirection dir; +}; + + +GstOssMixer* gst_ossmixer_new (const gchar *device, + GstOssMixerDirection dir); +void gst_ossmixer_free (GstOssMixer *mixer); + +const GList* gst_ossmixer_list_tracks (GstOssMixer * mixer); +void gst_ossmixer_set_volume (GstOssMixer * mixer, + GstMixerTrack * track, + gint * volumes); +void gst_ossmixer_get_volume (GstOssMixer * mixer, + GstMixerTrack * track, + gint * volumes); +void gst_ossmixer_set_record (GstOssMixer * mixer, + GstMixerTrack * track, + gboolean record); +void gst_ossmixer_set_mute (GstOssMixer * mixer, + GstMixerTrack * track, + gboolean mute); + + +#define GST_IMPLEMENT_OSS_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_ossmixer_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_ossmixer_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_ossmixer_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_ossmixer_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_ossmixer_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_OSS_MIXER_H__ */ |