gst_plugins_base/ext/alsa/gstalsamixer.h
branchRCL_3
changeset 29 567bb019e3e3
parent 6 9b2c3c7a1a9c
child 30 7e817e7e631c
--- a/gst_plugins_base/ext/alsa/gstalsamixer.h	Wed Mar 31 22:03:18 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,217 +0,0 @@
-/* ALSA mixer interface implementation.
- * Copyright (C) 2003 Leif Johnson <leif@ambient.2y.net>
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-
-#ifndef __GST_ALSA_MIXER_H__
-#define __GST_ALSA_MIXER_H__
-
-
-#include "gstalsa.h"
-
-#include <gst/interfaces/mixer.h>
-#include "gstalsamixeroptions.h"
-#include "gstalsamixertrack.h"
-
-
-G_BEGIN_DECLS
-
-/* This does not get you what you think it does, use obj->mixer   */
-/* #define GST_ALSA_MIXER(obj)             ((GstAlsaMixer*)(obj)) */
-
-typedef struct _GstAlsaMixer GstAlsaMixer;
-
-typedef enum {
-  GST_ALSA_MIXER_CAPTURE = 1<<0,
-  GST_ALSA_MIXER_PLAYBACK = 1<<1,
-  GST_ALSA_MIXER_ALL = GST_ALSA_MIXER_CAPTURE | GST_ALSA_MIXER_PLAYBACK
-} GstAlsaMixerDirection;
-
-/**
- * GstAlsaMixer:
- *
- * Opaque data structure
- */
-struct _GstAlsaMixer
-{
-  GList *               tracklist;      /* list of available tracks */
-
-  snd_mixer_t *         handle;
-
-  GstTask *		task;
-  GStaticRecMutex *	task_mutex;
-  GStaticRecMutex *	rec_mutex;
-
-  int			pfd[2];
-
-  GstMixer *		interface;
-  gchar *               device;
-  gchar *               cardname;
-
-  GstAlsaMixerDirection dir;
-};
-
-
-GstAlsaMixer*   gst_alsa_mixer_new              (const gchar *device,
-                                                 GstAlsaMixerDirection dir);
-void            gst_alsa_mixer_free             (GstAlsaMixer *mixer);
-
-const GList*    gst_alsa_mixer_list_tracks      (GstAlsaMixer * mixer);
-void            gst_alsa_mixer_set_volume       (GstAlsaMixer * mixer,
-                                                 GstMixerTrack * track,
-                                                 gint * volumes);
-void            gst_alsa_mixer_get_volume       (GstAlsaMixer * mixer,
-                                                 GstMixerTrack * track,
-                                                 gint * volumes);
-void            gst_alsa_mixer_set_record       (GstAlsaMixer * mixer,
-                                                 GstMixerTrack * track,
-                                                 gboolean record);
-void            gst_alsa_mixer_set_mute         (GstAlsaMixer * mixer,
-                                                 GstMixerTrack * track,
-                                                 gboolean mute);
-void            gst_alsa_mixer_set_option       (GstAlsaMixer * mixer,
-                                                 GstMixerOptions * opts,
-                                                 gchar * value);
-const gchar*    gst_alsa_mixer_get_option       (GstAlsaMixer * mixer,
-                                                 GstMixerOptions * opts);
-void		_gst_alsa_mixer_set_interface   (GstAlsaMixer * mixer,
-						 GstMixer * interface);
-GstMixerFlags   gst_alsa_mixer_get_mixer_flags  (GstAlsaMixer *mixer);
-
-#define GST_IMPLEMENT_ALSA_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_alsa_mixer_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_alsa_mixer_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_alsa_mixer_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_alsa_mixer_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_alsa_mixer_set_mute (this->mixer, track, mute);                           \
-}                                                                               \
-                                                                                \
-static void                                                                     \
-interface_as_function ## _set_option (GstMixer * mixer, GstMixerOptions * opts, \
-    gchar * value)                                                              \
-{                                                                               \
-  Type *this = (Type*) mixer;                                                   \
-                                                                                \
-  g_return_if_fail (this != NULL);                                              \
-  g_return_if_fail (this->mixer != NULL);                                       \
-                                                                                \
-  gst_alsa_mixer_set_option (this->mixer, opts, value);                         \
-}                                                                               \
-                                                                                \
-static const gchar*                                                             \
-interface_as_function ## _get_option (GstMixer * mixer, GstMixerOptions * opts) \
-{                                                                               \
-  Type *this = (Type*) mixer;                                                   \
-                                                                                \
-  g_return_val_if_fail (this != NULL, NULL);                                    \
-  g_return_val_if_fail (this->mixer != NULL, NULL);                             \
-                                                                                \
-  return gst_alsa_mixer_get_option (this->mixer, opts);                         \
-}                                                                               \
-                                                                                \
-static GstMixerFlags                                                            \
-interface_as_function ## _get_mixer_flags (GstMixer * mixer)                    \
-{                                                                               \
-  Type *this = (Type*) mixer;                                                   \
-                                                                                \
-  g_return_val_if_fail (this != NULL, GST_MIXER_FLAG_NONE);                     \
-  g_return_val_if_fail (this->mixer != NULL, GST_MIXER_FLAG_NONE);              \
-                                                                                \
-  return gst_alsa_mixer_get_mixer_flags (this->mixer);                          \
-}                                                                               \
-                                                                                \
-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;                     \
-  klass->set_option = interface_as_function ## _set_option;                     \
-  klass->get_option = interface_as_function ## _get_option;                     \
-  klass->get_mixer_flags = interface_as_function ## _get_mixer_flags;           \
-}
-
-
-G_END_DECLS
-
-
-#endif /* __GST_ALSA_MIXER_H__ */