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https://github.com/Relintai/pandemonium_engine_minimal.git
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95 lines
3.7 KiB
C++
95 lines
3.7 KiB
C++
#ifndef AUDIO_STREAM_GENERATOR_H
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#define AUDIO_STREAM_GENERATOR_H
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/*************************************************************************/
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/* audio_stream_generator.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "core/containers/ring_buffer.h"
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#include "servers/audio/audio_stream.h"
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class AudioStreamGenerator : public AudioStream {
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GDCLASS(AudioStreamGenerator, AudioStream);
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float mix_rate;
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float buffer_len;
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protected:
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static void _bind_methods();
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public:
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void set_mix_rate(float p_mix_rate);
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float get_mix_rate() const;
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void set_buffer_length(float p_seconds);
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float get_buffer_length() const;
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virtual Ref<AudioStreamPlayback> instance_playback();
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virtual String get_stream_name() const;
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virtual float get_length() const;
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AudioStreamGenerator();
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};
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class AudioStreamGeneratorPlayback : public AudioStreamPlaybackResampled {
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GDCLASS(AudioStreamGeneratorPlayback, AudioStreamPlaybackResampled);
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friend class AudioStreamGenerator;
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RingBuffer<AudioFrame> buffer;
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int skips;
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bool active;
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float mixed;
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AudioStreamGenerator *generator;
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protected:
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virtual void _mix_internal(AudioFrame *p_buffer, int p_frames);
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virtual float get_stream_sampling_rate();
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static void _bind_methods();
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public:
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virtual void start(float p_from_pos = 0.0);
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virtual void stop();
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virtual bool is_playing() const;
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virtual int get_loop_count() const; //times it looped
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virtual float get_playback_position() const;
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virtual void seek(float p_time);
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bool push_frame(const Vector2 &p_frame);
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bool can_push_buffer(int p_frames) const;
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bool push_buffer(const PoolVector2Array &p_frames);
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int get_frames_available() const;
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int get_skips() const;
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void clear_buffer();
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AudioStreamGeneratorPlayback();
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};
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#endif // AUDIO_STREAM_GENERATOR_H
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