78 lines
1.9 KiB
C
78 lines
1.9 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file vorbisAudioCursor.h
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* @author rdb
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* @date 2013-08-23
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*/
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#ifndef VORBISAUDIOCURSOR_H
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#define VORBISAUDIOCURSOR_H
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#include "pandabase.h"
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#include "movieAudioCursor.h"
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#ifdef HAVE_VORBIS
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#include <vorbis/codec.h>
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#include <vorbis/vorbisfile.h>
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class VorbisAudio;
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/**
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* Interfaces with the libvorbisfile library to implement decoding of Ogg
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* Vorbis audio files.
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*/
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class EXPCL_PANDA_MOVIES VorbisAudioCursor : public MovieAudioCursor {
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PUBLISHED:
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explicit VorbisAudioCursor(VorbisAudio *src, std::istream *stream);
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virtual ~VorbisAudioCursor();
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virtual void seek(double offset);
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public:
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virtual int read_samples(int n, int16_t *data);
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bool _is_valid;
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private:
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// Callbacks passed to libvorbisfile that read via VFS.
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static size_t cb_read_func(void *ptr, size_t size, size_t nmemb, void *datasource);
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static int cb_seek_func(void *datasource, ogg_int64_t offset, int whence);
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static int cb_close_func(void *datasource);
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static long cb_tell_func(void *datasource);
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protected:
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#ifndef CPPPARSER
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OggVorbis_File _ov;
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#endif
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int _bitstream;
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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MovieAudioCursor::init_type();
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register_type(_type_handle, "VorbisAudioCursor",
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MovieAudioCursor::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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#include "vorbisAudioCursor.I"
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#endif // HAVE_VORBIS
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#endif // VORBISAUDIOCURSOR_H
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