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Diffstat (limited to 'gst-libs/gst/interfaces/streamvolume.h')
-rw-r--r-- | gst-libs/gst/interfaces/streamvolume.h | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/gst-libs/gst/interfaces/streamvolume.h b/gst-libs/gst/interfaces/streamvolume.h deleted file mode 100644 index 32a824c7..00000000 --- a/gst-libs/gst/interfaces/streamvolume.h +++ /dev/null @@ -1,87 +0,0 @@ -/* GStreamer StreamVolume - * Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk> - * - * 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., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -#ifndef __GST_STREAM_VOLUME_H__ -#define __GST_STREAM_VOLUME_H__ - -#include <gst/gst.h> - -G_BEGIN_DECLS - -#define GST_TYPE_STREAM_VOLUME \ - (gst_stream_volume_get_type ()) -#define GST_STREAM_VOLUME(obj) \ - (GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_STREAM_VOLUME, GstStreamVolume)) -#define GST_STREAM_VOLUME_INTERFACE(iface) \ - (G_TYPE_CHECK_INTERFACE_CAST ((iface), GST_TYPE_STREAM_VOLUME, GstStreamVolumeInterface)) -#define GST_IS_STREAM_VOLUME(obj) \ - (GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_STREAM_VOLUME)) -#define GST_IS_STREAM_VOLUME_INTERFACE(iface) \ - (G_TYPE_CHECK_INTERFACE_TYPE ((iface), GST_TYPE_STREAM_VOLUME)) -#define GST_STREAM_VOLUME_GET_INTERFACE(inst) \ - (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_STREAM_VOLUME, GstStreamVolumeInterface)) - -typedef struct _GstStreamVolume GstStreamVolume; -typedef struct _GstStreamVolumeInterface GstStreamVolumeInterface; - -struct _GstStreamVolumeInterface { - GTypeInterface parent; - - /*< private >*/ - gpointer _gst_reserved[GST_PADDING]; -}; - -/** - * GstStreamVolumeFormat: - * @GST_STREAM_VOLUME_FORMAT_LINEAR: Linear scale factor, 1.0 = 100% - * @GST_STREAM_VOLUME_FORMAT_CUBIC: Cubic volume scale - * @GST_STREAM_VOLUME_FORMAT_DB: Logarithmic volume scale (dB, amplitude not power) - * - * Different representations of a stream volume. gst_stream_volume_convert() - * allows to convert between the different representations. - * - * Formulas to convert from a linear to a cubic or dB volume are - * cbrt(val) and 20 * log10 (val). - * - * Since: 0.10.25 - */ -typedef enum { - GST_STREAM_VOLUME_FORMAT_LINEAR = 0, - GST_STREAM_VOLUME_FORMAT_CUBIC, - GST_STREAM_VOLUME_FORMAT_DB -} GstStreamVolumeFormat; - -GType gst_stream_volume_get_type (void); -void gst_stream_volume_set_volume (GstStreamVolume *volume, - GstStreamVolumeFormat format, - gdouble val); -gdouble gst_stream_volume_get_volume (GstStreamVolume *volume, - GstStreamVolumeFormat format); - -void gst_stream_volume_set_mute (GstStreamVolume *volume, - gboolean mute); -gboolean gst_stream_volume_get_mute (GstStreamVolume *volume); - -gdouble gst_stream_volume_convert_volume (GstStreamVolumeFormat from, - GstStreamVolumeFormat to, - gdouble val) G_GNUC_CONST; - -G_END_DECLS - -#endif /* __GST_STREAM_VOLUME_H__ */ |