gstreamer/ext/openal/gstopenalsrc.h

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/*
* GStreamer
*
* Copyright (C) 2005 Thomas Vander Stichele <thomas@apestaart.org>
* Copyright (C) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
* Copyright (C) 2008 Victor Lin <bornstub@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Alternatively, the contents of this file may be used under the
* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
* which case the following provisions apply instead of the ones
* mentioned above:
*
* Copyright (C) 2013 Juan Manuel Borges Caño <juanmabcmail@gmail.com>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_OPENAL_SRC_H__
#define __GST_OPENAL_SRC_H__
#include <gst/gst.h>
#include <gst/audio/audio.h>
#ifdef _WIN32
#include <al.h>
#include <alc.h>
#include <alext.h>
#else
#include <AL/al.h>
#include <AL/alc.h>
#include <AL/alext.h>
#endif
G_BEGIN_DECLS
#define GST_TYPE_OPENAL_SRC \
(gst_openal_src_get_type())
#define GST_OPENAL_SRC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_OPENAL_SRC, GstOpenalSrc))
#define GST_OPENAL_SRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_OPENAL_SRC, GstOpenalSrcClass))
#define GST_IS_OPENAL_SRC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_OPENAL_SRC))
#define GST_IS_OPENAL_SRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_OPENAL_SRC))
#if 1
#define GST_ALC_ERROR(Device) ("ALC error: %s", alcGetString((Device), alcGetError((Device))))
#else
#define GST_ALC_ERROR(Device) ("ALC error: 0x%x", alcGetError((Device)))
#endif
typedef struct _GstOpenalSrc GstOpenalSrc;
typedef struct _GstOpenalSrcClass GstOpenalSrcClass;
struct _GstOpenalSrc
{
GstAudioSrc element;
GstPad *srcpad;
gboolean silent;
/* readable name of device */
gchar *default_device_name;
/* name of device to open, default is a NULL pointer to get default device */
gchar *default_device;
/* OpenAL device handle */
ALCdevice *device;
guint64 buffer_length;
ALenum format;
ALuint rate;
ALuint bytes_per_sample;
GstCaps *probed_caps;
};
struct _GstOpenalSrcClass
{
GstAudioSrcClass parent_class;
};
GType gst_openal_src_get_type (void);
G_END_DECLS
#endif /* __GST_OPENAL_SRC_H__ */