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// Generated by gmmproc 2.50.1 -- DO NOT MODIFY!
#ifndef _GSTREAMERMM_AUDIOCLOCK_H
#define _GSTREAMERMM_AUDIOCLOCK_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/systemclock.h>
#include <memory>
#ifndef DOXYGEN_SHOULD_SKIP_THIS
using GstAudioClock = struct _GstAudioClock;
using GstAudioClockClass = struct _GstAudioClockClass;
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
#ifndef DOXYGEN_SHOULD_SKIP_THIS
namespace Gst
{ class AudioClock_Class; } // namespace Gst
#endif //DOXYGEN_SHOULD_SKIP_THIS
namespace Gst
{
/** A Helper object for implementing audio clocks.
* Gst::AudioClock makes it easy for elements to implement a Gst::Clock,
* they simply need to provide a slot that returns the current clock time.
*
* This object is internally used to implement the clock in
* Gst::AudioBaseSink.
*
* Last reviewed on 2016-04-23 (1.8.0).
*/
class AudioClock : public Gst::SystemClock
{
#ifndef DOXYGEN_SHOULD_SKIP_THIS
public:
using CppObjectType = AudioClock;
using CppClassType = AudioClock_Class;
using BaseObjectType = GstAudioClock;
using BaseClassType = GstAudioClockClass;
// noncopyable
AudioClock(const AudioClock&) = delete;
AudioClock& operator=(const AudioClock&) = delete;
private: friend class AudioClock_Class;
static CppClassType audioclock_class_;
protected:
explicit AudioClock(const Glib::ConstructParams& construct_params);
explicit AudioClock(GstAudioClock* castitem);
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
public:
AudioClock(AudioClock&& src) noexcept;
AudioClock& operator=(AudioClock&& src) noexcept;
~AudioClock() 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.
GstAudioClock* gobj() { return reinterpret_cast<GstAudioClock*>(gobject_); }
///Provides access to the underlying C GObject.
const GstAudioClock* gobj() const { return reinterpret_cast<GstAudioClock*>(gobject_); }
///Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
GstAudioClock* gobj_copy();
private:
public:
/** For example,
* Gst::ClockTime on_get_time(const Glib::RefPtr<Gst::Clock>& clock);.
* This function will be called whenever the current clock time needs to be
* calculated. If this function returns Gst::CLOCK_TIME_NONE, the last
* reported time will be returned by the clock.
*
* @param clock The Gst::AudioClock.
*/
typedef sigc::slot< Gst::ClockTime, const Glib::RefPtr<Gst::Clock>& > SlotGetTime;
protected:
AudioClock(const Glib::ustring& name, const SlotGetTime& time_slot);
public:
/** Create a new Gst::AudioClock instance. Whenever the clock time should
* be calculated it will call @a time_slot. When @a time_slot returns
* Gst::CLOCK_TIME_NONE, the clock will return the last reported time.
*
* @param name The name of the clock.
* @param time_slot A slot that returns the time.
*
* @return a new Gst::AudioClock.
*/
static Glib::RefPtr<AudioClock> create(const Glib::ustring& name, const SlotGetTime& time_slot);
/** Inform @a clock that future calls to Gst::AudioClockGetTimeFunc will return values
* starting from @a time. The clock will update an internal offset to make sure that
* future calls to internal_time will return an increasing result as required by
* the Gst::Clock object.
*
* @param time A Gst::ClockTime.
*/
void reset(Gst::ClockTime time);
/** Adjust @a time with the internal offset of the audio clock.
*
* @param time A Gst::ClockTime.
* @return @a time adjusted with the internal offset.
*/
Gst::ClockTime adjust(Gst::ClockTime time);
/** Report the time as returned by the Gst::AudioClockGetTimeFunc without applying
* any offsets.
*
* @return The time as reported by the time function of the audio clock.
*/
Gst::ClockTime get_time() const;
/** Invalidate the clock function. Call this function when the provided
* Gst::AudioClockGetTimeFunc cannot be called anymore, for example, when the
* user_data becomes invalid.
*
* After calling this function, @a clock will return the last returned time for
* the rest of its lifetime.
*/
void invalidate();
#ifndef DOXYGEN_SHOULD_SKIP_THIS
private:
// TODO this slot should be moved in move constructor, but for now it's
// impossible to provide custom move constructor
// (see https://bugzilla.gnome.org/show_bug.cgi?id=756593).
// However, task should be managed by RefPtr class, so move constructor
// and move assignment operator will never be called.
std::unique_ptr<SlotGetTime> m_slot;
#endif
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::AudioClock
*/
Glib::RefPtr<Gst::AudioClock> wrap(GstAudioClock* object, bool take_copy = false);
}
#endif /* _GSTREAMERMM_AUDIOCLOCK_H */
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