88 lines
2.4 KiB
C++
88 lines
2.4 KiB
C++
/**
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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 movieAudioCursor.h
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* @author jyelon
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* @date 2007-07-02
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*/
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#ifndef MOVIEAUDIOCURSOR_H
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#define MOVIEAUDIOCURSOR_H
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#include "pandabase.h"
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#include "namable.h"
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#include "texture.h"
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#include "pointerTo.h"
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class MovieAudio;
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/**
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* A MovieAudio is actually any source that provides a sequence of audio
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* samples. That could include an AVI file, a microphone, or an internet TV
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* station. A MovieAudioCursor is a handle that lets you read data
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* sequentially from a MovieAudio.
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*
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* Thread safety: each individual MovieAudioCursor must be owned and accessed
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* by a single thread. It is OK for two different threads to open the same
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* file at the same time, as long as they use separate MovieAudioCursor
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* objects.
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*/
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class EXPCL_PANDA_MOVIES MovieAudioCursor : public TypedWritableReferenceCount {
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PUBLISHED:
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MovieAudioCursor(MovieAudio *src);
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virtual ~MovieAudioCursor();
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INLINE PT(MovieAudio) get_source() const;
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INLINE int audio_rate() const;
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INLINE int audio_channels() const;
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INLINE double length() const;
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INLINE bool can_seek() const;
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INLINE bool can_seek_fast() const;
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INLINE double tell() const;
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INLINE void skip_samples(int n);
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INLINE bool aborted() const;
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virtual int ready() const;
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virtual void seek(double offset);
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void read_samples(int n, Datagram *dg);
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vector_uchar read_samples(int n);
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public:
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virtual int read_samples(int n, int16_t *data);
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protected:
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PT(MovieAudio) _source;
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int _audio_rate;
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int _audio_channels;
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double _length;
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bool _can_seek;
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bool _can_seek_fast;
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bool _aborted;
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double _last_seek;
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int64_t _samples_read;
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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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TypedWritableReferenceCount::init_type();
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register_type(_type_handle, "MovieAudioCursor",
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TypedWritableReferenceCount::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 "movieAudioCursor.I"
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#include "movieAudio.h"
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#endif
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