/usr/include/gstreamermm-1.0/gstreamermm/audiosrc.h is in libgstreamermm-1.0-dev 1.10.0+dfsg-1.
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#ifndef _GSTREAMERMM_AUDIOSRC_H
#define _GSTREAMERMM_AUDIOSRC_H
#include <glibmm/ustring.h>
#include <sigc++/sigc++.h>
/* gstreamermm - a C++ wrapper for gstreamer
*
* Copyright 2008-2016 The gstreamermm Development Team
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <gstreamermm/audioringbuffer.h>
#include <gst/audio/gstaudiosrc.h>
#include <gstreamermm/audiobasesrc.h>
#ifndef DOXYGEN_SHOULD_SKIP_THIS
using GstAudioSrc = struct _GstAudioSrc;
using GstAudioSrcClass = struct _GstAudioSrcClass;
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
#ifndef DOXYGEN_SHOULD_SKIP_THIS
namespace Gst
{ class AudioSrc_Class; } // namespace Gst
#endif //DOXYGEN_SHOULD_SKIP_THIS
namespace Gst
{
/** A simple base class for audio sources.
* This is the most simple base class for audio sources that only requires
* subclasses to implement a set of simple virtual functions:
*
* - open_vfunc() - Open the device.
* - prepare_vfunc() - Configure the device with the specified format.
* - read_vfunc() - Read samples from the device.
* - reset_vfunc() - Unblock reads and flush the device.
* - get_delay_vfunc() - Get the number of samples written but not yet played
* by the device.
* - unprepare_vfunc() - Undo operations done by prepare.
* - close_vfunc() - Close the device.
*
* All scheduling of samples and timestamps is done in this base class together
* with Gst::AudioBaseSrc using a default implementation of a
* Gst::AudioRingBuffer that uses threads.
*
* Last reviewed on 2016-04-23 (1.8.0)
*
* @ingroup GstBaseClasses
*/
class AudioSrc : public Gst::AudioBaseSrc
{
#ifndef DOXYGEN_SHOULD_SKIP_THIS
public:
using CppObjectType = AudioSrc;
using CppClassType = AudioSrc_Class;
using BaseObjectType = GstAudioSrc;
using BaseClassType = GstAudioSrcClass;
// noncopyable
AudioSrc(const AudioSrc&) = delete;
AudioSrc& operator=(const AudioSrc&) = delete;
private: friend class AudioSrc_Class;
static CppClassType audiosrc_class_;
protected:
explicit AudioSrc(const Glib::ConstructParams& construct_params);
explicit AudioSrc(GstAudioSrc* castitem);
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
public:
AudioSrc(AudioSrc&& src) noexcept;
AudioSrc& operator=(AudioSrc&& src) noexcept;
~AudioSrc() noexcept override;
/** Get the GType for this class, for use with the underlying GObject type system.
*/
static GType get_type() G_GNUC_CONST;
#ifndef DOXYGEN_SHOULD_SKIP_THIS
static GType get_base_type() G_GNUC_CONST;
#endif
///Provides access to the underlying C GObject.
GstAudioSrc* gobj() { return reinterpret_cast<GstAudioSrc*>(gobject_); }
///Provides access to the underlying C GObject.
const GstAudioSrc* gobj() const { return reinterpret_cast<GstAudioSrc*>(gobject_); }
///Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
GstAudioSrc* gobj_copy();
private:
public:
/** vfunc to open the device.
*/
virtual bool open_vfunc();
/** vfunc to configure device with spec.
*/
virtual bool prepare_vfunc(Gst::AudioRingBufferSpec& spec);
/** vfunc to undo the configuration.
*/
virtual bool unprepare_vfunc();
/** vfunc to close the device.
*/
virtual bool close_vfunc();
/** vfunc to read samples to the audio device.
*/
virtual guint read_vfunc(const void* data, guint length, Gst::ClockTime& timestamp);
/** vfunc to get the number of samples queued in the device.
*/
virtual guint get_delay_vfunc() const;
/** vfunc to unblock a read to the device and reset.
*/
virtual void reset_vfunc();
protected:
public:
public:
//C++ methods used to invoke GTK+ virtual functions:
protected:
//GTK+ Virtual Functions (override these to change behaviour):
//Default Signal Handlers::
};
} // namespace Gst
namespace Glib
{
/** A Glib::wrap() method for this object.
*
* @param object The C instance.
* @param take_copy False if the result should take ownership of the C instance. True if it should take a new copy or ref.
* @result A C++ instance that wraps this C instance.
*
* @relates Gst::AudioSrc
*/
Glib::RefPtr<Gst::AudioSrc> wrap(GstAudioSrc* object, bool take_copy = false);
}
#endif /* _GSTREAMERMM_AUDIOSRC_H */
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