/usr/include/gstreamermm-1.0/gstreamermm/audioinfo.h is in libgstreamermm-1.0-dev 1.10.0+dfsg-1.
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#ifndef _GSTREAMERMM_AUDIOINFO_H
#define _GSTREAMERMM_AUDIOINFO_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 <gst/audio/audio-info.h>
#include <gstreamermm/audioformat.h>
#include <gstreamermm/audioringbuffer.h>
#ifndef DOXYGEN_SHOULD_SKIP_THIS
extern "C" { typedef struct _GstAudioInfo GstAudioInfo; }
#endif
namespace Gst
{
/** @addtogroup gstreamermmEnums gstreamermm Enums and Flags */
/**
* @var AudioFlags AUDIO_FLAG_NONE
* No valid flag.
*
* @var AudioFlags AUDIO_FLAG_UNPOSITIONED
* The position array explicitly
* contains unpositioned channels.
*
* @enum AudioFlags
*
* Extra audio flags
*
* @ingroup gstreamermmEnums
* @par Bitwise operators:
* <tt>%AudioFlags operator|(AudioFlags, AudioFlags)</tt><br>
* <tt>%AudioFlags operator&(AudioFlags, AudioFlags)</tt><br>
* <tt>%AudioFlags operator^(AudioFlags, AudioFlags)</tt><br>
* <tt>%AudioFlags operator~(AudioFlags)</tt><br>
* <tt>%AudioFlags& operator|=(AudioFlags&, AudioFlags)</tt><br>
* <tt>%AudioFlags& operator&=(AudioFlags&, AudioFlags)</tt><br>
* <tt>%AudioFlags& operator^=(AudioFlags&, AudioFlags)</tt><br>
*/
enum AudioFlags
{
AUDIO_FLAG_NONE = 0x0,
AUDIO_FLAG_UNPOSITIONED = (1 << 0)
};
/** @ingroup gstreamermmEnums */
inline AudioFlags operator|(AudioFlags lhs, AudioFlags rhs)
{ return static_cast<AudioFlags>(static_cast<unsigned>(lhs) | static_cast<unsigned>(rhs)); }
/** @ingroup gstreamermmEnums */
inline AudioFlags operator&(AudioFlags lhs, AudioFlags rhs)
{ return static_cast<AudioFlags>(static_cast<unsigned>(lhs) & static_cast<unsigned>(rhs)); }
/** @ingroup gstreamermmEnums */
inline AudioFlags operator^(AudioFlags lhs, AudioFlags rhs)
{ return static_cast<AudioFlags>(static_cast<unsigned>(lhs) ^ static_cast<unsigned>(rhs)); }
/** @ingroup gstreamermmEnums */
inline AudioFlags operator~(AudioFlags flags)
{ return static_cast<AudioFlags>(~static_cast<unsigned>(flags)); }
/** @ingroup gstreamermmEnums */
inline AudioFlags& operator|=(AudioFlags& lhs, AudioFlags rhs)
{ return (lhs = static_cast<AudioFlags>(static_cast<unsigned>(lhs) | static_cast<unsigned>(rhs))); }
/** @ingroup gstreamermmEnums */
inline AudioFlags& operator&=(AudioFlags& lhs, AudioFlags rhs)
{ return (lhs = static_cast<AudioFlags>(static_cast<unsigned>(lhs) & static_cast<unsigned>(rhs))); }
/** @ingroup gstreamermmEnums */
inline AudioFlags& operator^=(AudioFlags& lhs, AudioFlags rhs)
{ return (lhs = static_cast<AudioFlags>(static_cast<unsigned>(lhs) ^ static_cast<unsigned>(rhs))); }
} // namespace Gst
#ifndef DOXYGEN_SHOULD_SKIP_THIS
namespace Glib
{
template <>
class Value<Gst::AudioFlags> : public Glib::Value_Flags<Gst::AudioFlags>
{
public:
static GType value_type() G_GNUC_CONST;
};
} // namespace Glib
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
namespace Gst
{
/**
* @var AudioLayout AUDIO_LAYOUT_INTERLEAVED
* Interleaved audio.
*
* @var AudioLayout AUDIO_LAYOUT_NON_INTERLEAVED
* Non-interleaved audio.
*
* @enum AudioLayout
*
* Layout of the audio samples for the different channels.
*
* @ingroup gstreamermmEnums
*/
enum AudioLayout
{
AUDIO_LAYOUT_INTERLEAVED,
AUDIO_LAYOUT_NON_INTERLEAVED
};
} // namespace Gst
#ifndef DOXYGEN_SHOULD_SKIP_THIS
namespace Glib
{
template <>
class Value<Gst::AudioLayout> : public Glib::Value_Enum<Gst::AudioLayout>
{
public:
static GType value_type() G_GNUC_CONST;
};
} // namespace Glib
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
namespace Gst
{
class Caps;
/** Information describing audio properties. This information can be filled
* in from Gst::Caps with from_caps() or Gst::AudioInfo() constructor.
*
* Last reviewed on 2016-04-23 (1.8.0).
*/
class AudioInfo
{
public:
#ifndef DOXYGEN_SHOULD_SKIP_THIS
using CppObjectType = AudioInfo;
using BaseObjectType = GstAudioInfo;
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
/** Get the GType for this class, for use with the underlying GObject type system.
*/
static GType get_type() G_GNUC_CONST;
AudioInfo();
explicit AudioInfo(GstAudioInfo* gobject, bool make_a_copy = true);
AudioInfo(const AudioInfo& other);
AudioInfo& operator=(const AudioInfo& other);
AudioInfo(AudioInfo&& other) noexcept;
AudioInfo& operator=(AudioInfo&& other) noexcept;
~AudioInfo() noexcept;
void swap(AudioInfo& other) noexcept;
///Provides access to the underlying C instance.
GstAudioInfo* gobj() { return gobject_; }
///Provides access to the underlying C instance.
const GstAudioInfo* gobj() const { return gobject_; }
///Provides access to the underlying C instance. The caller is responsible for freeing it. Use when directly setting fields in structs.
GstAudioInfo* gobj_copy() const;
protected:
GstAudioInfo* gobject_;
private:
public:
/** Create AudioInfo from @a caps.
*
* @param caps A Gst::Caps.
*
* @throw std::runtime_error if @a caps could not be parsed.
*/
AudioInfo(const Glib::RefPtr<const Gst::Caps>& caps);
/** Compares two Gst::AudioInfo and returns whether they are equal or not
*
* @param other A Gst::AudioInfo.
* @return <tt>true</tt> if @a info and @a other are equal, else <tt>false</tt>.
*/
bool is_equal(const Gst::AudioInfo& other) const;
/** Initialize @a info with default values.
*/
void init();
/** Parse @a caps and update @a info.
*
* @param caps A Gst::Caps.
* @return <tt>true</tt> if @a caps could be parsed.
*/
bool from_caps(const Glib::RefPtr<const Gst::Caps>& caps);
/** Convert the values of @a info into a Gst::Caps.
*
* @return The new Gst::Caps containing the
* info of @a info.
*/
Glib::RefPtr<Gst::Caps> to_caps() const;
/** Converts among various Gst::Format types. This function handles
* GST_FORMAT_BYTES, GST_FORMAT_TIME, and GST_FORMAT_DEFAULT. For
* raw audio, GST_FORMAT_DEFAULT corresponds to audio frames. This
* function can be used to handle pad queries of the type GST_QUERY_CONVERT.
*
* @newin{1,8}
*
* @param fmt Gst::Format of the @a src_val.
* @param src_val Value to convert.
* @param dest_fmt Gst::Format of the @a dest_val.
* @param dest_val Pointer to destination value.
* @return <tt>true</tt> if the conversion was successful.
*/
bool convert(Gst::Format fmt, gint64 src_val, Gst::Format dest_fmt, gint64& dest_val) const;
/** Set the default info for the audio info of @a format and @a rate and @a channels.
*
* @note This initializes @a info first, no values are preserved.
*
* @newin{1,8}
*
* @param format The format.
* @param rate The samplerate.
* @param channels The number of channels.
* @param position The channel positions.
*/
void set_format(Gst::AudioFormat format, int rate, int channels, const Gst::AudioChannelPosition * position);
Gst::AudioFlags get_flags() const;
void set_flags(const Gst::AudioFlags& value);
Gst::AudioLayout get_layout() const;
void set_layout(const Gst::AudioLayout& value);
int get_rate() const;
void set_rate(const int& value);
int get_channels() const;
void set_channels(const int& value);
int get_bpf() const;
void set_bpf(const int& value);
const Gst::AudioFormatInfo get_finfo() const;
};
}
namespace Gst
{
/** @relates Gst::AudioInfo
* @param lhs The left-hand side
* @param rhs The right-hand side
*/
inline void swap(AudioInfo& lhs, AudioInfo& rhs) noexcept
{ lhs.swap(rhs); }
} // 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::AudioInfo
*/
Gst::AudioInfo wrap(GstAudioInfo* object, bool take_copy = false);
#ifndef DOXYGEN_SHOULD_SKIP_THIS
template <>
class Value<Gst::AudioInfo> : public Glib::Value_Boxed<Gst::AudioInfo>
{};
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
} // namespace Glib
#endif /* _GSTREAMERMM_AUDIOINFO_H */
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