pandemonium_engine_minimal/modules/minimp3/audio_stream_mp3.h

84 lines
1.8 KiB
C++

#ifndef AUDIO_STREAM_MP3_H
#define AUDIO_STREAM_MP3_H
/* audio_stream_mp3.h */
#include "core/io/resource_loader.h"
#include "servers/audio/audio_stream.h"
#include "minimp3_ex.h"
class AudioStreamMP3;
class AudioStreamPlaybackMP3 : public AudioStreamPlaybackResampled {
GDCLASS(AudioStreamPlaybackMP3, AudioStreamPlaybackResampled);
mp3dec_ex_t *mp3d = nullptr;
uint32_t frames_mixed = 0;
bool active = false;
int loops = 0;
friend class AudioStreamMP3;
Ref<AudioStreamMP3> mp3_stream;
protected:
virtual void _mix_internal(AudioFrame *p_buffer, int p_frames);
virtual float get_stream_sampling_rate();
public:
virtual void start(float p_from_pos = 0.0);
virtual void stop();
virtual bool is_playing() const;
virtual int get_loop_count() const; //times it looped
virtual float get_playback_position() const;
virtual void seek(float p_time);
AudioStreamPlaybackMP3() {}
~AudioStreamPlaybackMP3();
};
class AudioStreamMP3 : public AudioStream {
GDCLASS(AudioStreamMP3, AudioStream);
OBJ_SAVE_TYPE(AudioStream) //children are all saved as AudioStream, so they can be exchanged
RES_BASE_EXTENSION("mp3str");
friend class AudioStreamPlaybackMP3;
void *data = nullptr;
uint32_t data_len = 0;
float sample_rate = 1;
int channels = 1;
float length = 0;
bool loop = false;
float loop_offset = 0;
void clear_data();
protected:
static void _bind_methods();
public:
void set_loop(bool p_enable);
bool has_loop() const;
void set_loop_offset(float p_seconds);
float get_loop_offset() const;
virtual Ref<AudioStreamPlayback> instance_playback();
virtual String get_stream_name() const;
void set_data(const PoolVector<uint8_t> &p_data);
PoolVector<uint8_t> get_data() const;
virtual float get_length() const;
AudioStreamMP3();
virtual ~AudioStreamMP3();
};
#endif // AUDIO_STREAM_MP3_H