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Diffstat (limited to 'modules/minimp3/audio_stream_mp3.h')
| -rw-r--r-- | modules/minimp3/audio_stream_mp3.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/modules/minimp3/audio_stream_mp3.h b/modules/minimp3/audio_stream_mp3.h new file mode 100644 index 0000000000..8d67190ac5 --- /dev/null +++ b/modules/minimp3/audio_stream_mp3.h @@ -0,0 +1,110 @@ +/*************************************************************************/ +/* audio_stream_mp3.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef AUDIO_STREAM_MP3_H +#define 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) override; + virtual float get_stream_sampling_rate() override; + +public: + virtual void start(float p_from_pos = 0.0) override; + virtual void stop() override; + virtual bool is_playing() const override; + + virtual int get_loop_count() const override; //times it looped + + virtual float get_playback_position() const override; + virtual void seek(float p_time) override; + + 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() override; + virtual String get_stream_name() const override; + + void set_data(const Vector<uint8_t> &p_data); + Vector<uint8_t> get_data() const; + + virtual float get_length() const override; + + AudioStreamMP3(); + virtual ~AudioStreamMP3(); +}; + +#endif // AUDIO_STREAM_MP3_H |