89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
|
/**
|
||
|
|
* PANDA 3D SOFTWARE
|
||
|
|
* Copyright (c) Carnegie Mellon University. All rights reserved.
|
||
|
|
*
|
||
|
|
* All use of this software is subject to the terms of the revised BSD
|
||
|
|
* license. You should have received a copy of this license along
|
||
|
|
* with this source code in a file named "LICENSE."
|
||
|
|
*
|
||
|
|
* @file movieAudioCursor.h
|
||
|
|
* @author jyelon
|
||
|
|
* @date 2007-07-02
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef MOVIEAUDIOCURSOR_H
|
||
|
|
#define MOVIEAUDIOCURSOR_H
|
||
|
|
|
||
|
|
#include "pandabase.h"
|
||
|
|
#include "namable.h"
|
||
|
|
#include "texture.h"
|
||
|
|
#include "pointerTo.h"
|
||
|
|
class MovieAudio;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* A MovieAudio is actually any source that provides a sequence of audio
|
||
|
|
* samples. That could include an AVI file, a microphone, or an internet TV
|
||
|
|
* station. A MovieAudioCursor is a handle that lets you read data
|
||
|
|
* sequentially from a MovieAudio.
|
||
|
|
*
|
||
|
|
* Thread safety: each individual MovieAudioCursor must be owned and accessed
|
||
|
|
* by a single thread. It is OK for two different threads to open the same
|
||
|
|
* file at the same time, as long as they use separate MovieAudioCursor
|
||
|
|
* objects.
|
||
|
|
*/
|
||
|
|
class EXPCL_PANDA_MOVIES MovieAudioCursor : public TypedWritableReferenceCount {
|
||
|
|
|
||
|
|
PUBLISHED:
|
||
|
|
MovieAudioCursor(MovieAudio *src);
|
||
|
|
virtual ~MovieAudioCursor();
|
||
|
|
INLINE PT(MovieAudio) get_source() const;
|
||
|
|
INLINE int audio_rate() const;
|
||
|
|
INLINE int audio_channels() const;
|
||
|
|
INLINE double length() const;
|
||
|
|
INLINE bool can_seek() const;
|
||
|
|
INLINE bool can_seek_fast() const;
|
||
|
|
INLINE double tell() const;
|
||
|
|
INLINE void skip_samples(int n);
|
||
|
|
INLINE bool aborted() const;
|
||
|
|
virtual int ready() const;
|
||
|
|
virtual void seek(double offset);
|
||
|
|
void read_samples(int n, Datagram *dg);
|
||
|
|
vector_uchar read_samples(int n);
|
||
|
|
|
||
|
|
public:
|
||
|
|
virtual int read_samples(int n, int16_t *data);
|
||
|
|
|
||
|
|
protected:
|
||
|
|
PT(MovieAudio) _source;
|
||
|
|
int _audio_rate;
|
||
|
|
int _audio_channels;
|
||
|
|
double _length;
|
||
|
|
bool _can_seek;
|
||
|
|
bool _can_seek_fast;
|
||
|
|
bool _aborted;
|
||
|
|
double _last_seek;
|
||
|
|
int64_t _samples_read;
|
||
|
|
|
||
|
|
public:
|
||
|
|
static TypeHandle get_class_type() {
|
||
|
|
return _type_handle;
|
||
|
|
}
|
||
|
|
static void init_type() {
|
||
|
|
TypedWritableReferenceCount::init_type();
|
||
|
|
register_type(_type_handle, "MovieAudioCursor",
|
||
|
|
TypedWritableReferenceCount::get_class_type());
|
||
|
|
}
|
||
|
|
virtual TypeHandle get_type() const {
|
||
|
|
return get_class_type();
|
||
|
|
}
|
||
|
|
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
|
||
|
|
|
||
|
|
private:
|
||
|
|
static TypeHandle _type_handle;
|
||
|
|
};
|
||
|
|
|
||
|
|
#include "movieAudioCursor.I"
|
||
|
|
#include "movieAudio.h"
|
||
|
|
|
||
|
|
#endif
|