276 lines
8.9 KiB
C++
276 lines
8.9 KiB
C++
/*************************************************************************/
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/* audio_server_sw.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) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2017 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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#ifndef AUDIO_SERVER_SW_H
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#define AUDIO_SERVER_SW_H
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#include "os/thread.h"
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#include "os/thread_safe.h"
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#include "self_list.h"
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#include "servers/audio/audio_mixer_sw.h"
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#include "servers/audio/voice_rb_sw.h"
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#include "servers/audio_server.h"
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class AudioServerSW : public AudioServer {
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OBJ_TYPE(AudioServerSW, AudioServer);
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_THREAD_SAFE_CLASS_
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enum {
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INTERNAL_BUFFER_SIZE = 4096,
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STREAM_SCALE_BITS = 12
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};
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SampleManagerSW *sample_manager;
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AudioMixerSW *mixer;
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virtual AudioMixer *get_mixer();
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virtual void audio_mixer_chunk_callback(int p_frames);
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struct Voice {
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float volume;
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volatile bool active;
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SelfList<Voice> active_item;
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AudioMixer::ChannelID channel;
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Voice()
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: active_item(this) {
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channel = AudioMixer::INVALID_CHANNEL;
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active = false;
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}
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};
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mutable RID_Owner<Voice> voice_owner;
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SelfList<Voice>::List active_list;
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struct Stream {
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bool active;
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List<Stream *>::Element *E;
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AudioStream *audio_stream;
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EventStream *event_stream;
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float volume_scale;
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};
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List<Stream *> active_audio_streams;
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//List<Stream*> event_streams;
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int32_t *internal_buffer;
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int internal_buffer_channels;
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int32_t *stream_buffer;
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mutable RID_Owner<Stream> stream_owner;
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float stream_volume;
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float stream_volume_scale;
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float fx_volume_scale;
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float event_voice_volume_scale;
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float peak_left, peak_right;
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uint32_t max_peak;
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double _output_delay;
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VoiceRBSW voice_rb;
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bool exit_update_thread;
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Thread *thread;
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static void _thread_func(void *self);
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void _update_streams(bool p_thread);
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void driver_process_chunk(int p_frames, int32_t *p_buffer);
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AudioMixerSW::InterpolationType mixer_interp;
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bool mixer_use_fx;
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uint64_t mixer_step_usecs;
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static void _mixer_callback(void *p_udata);
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friend class AudioDriverSW;
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void driver_process(int p_frames, int32_t *p_buffer);
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public:
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/* SAMPLE API */
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virtual RID sample_create(SampleFormat p_format, bool p_stereo, int p_length);
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virtual void sample_set_description(RID p_sample, const String &p_description);
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virtual String sample_get_description(RID p_sample) const;
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virtual SampleFormat sample_get_format(RID p_sample) const;
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virtual bool sample_is_stereo(RID p_sample) const;
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virtual int sample_get_length(RID p_sample) const;
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const void *sample_get_data_ptr(RID p_sample) const;
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virtual void sample_set_data(RID p_sample, const DVector<uint8_t> &p_buffer);
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virtual DVector<uint8_t> sample_get_data(RID p_sample) const;
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virtual void sample_set_mix_rate(RID p_sample, int p_rate);
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virtual int sample_get_mix_rate(RID p_sample) const;
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virtual void sample_set_loop_format(RID p_sample, SampleLoopFormat p_format);
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virtual SampleLoopFormat sample_get_loop_format(RID p_sample) const;
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virtual void sample_set_loop_begin(RID p_sample, int p_pos);
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virtual int sample_get_loop_begin(RID p_sample) const;
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virtual void sample_set_loop_end(RID p_sample, int p_pos);
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virtual int sample_get_loop_end(RID p_sample) const;
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/* VOICE API */
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virtual RID voice_create();
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virtual void voice_play(RID p_voice, RID p_sample);
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virtual void voice_set_volume(RID p_voice, float p_volume);
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virtual void voice_set_pan(RID p_voice, float p_pan, float p_depth = 0, float height = 0); //pan and depth go from -1 to 1
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virtual void voice_set_filter(RID p_voice, FilterType p_type, float p_cutoff, float p_resonance, float p_gain = 0);
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virtual void voice_set_chorus(RID p_voice, float p_chorus);
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virtual void voice_set_reverb(RID p_voice, ReverbRoomType p_room_type, float p_reverb);
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virtual void voice_set_mix_rate(RID p_voice, int p_mix_rate);
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virtual void voice_set_positional(RID p_voice, bool p_positional);
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virtual float voice_get_volume(RID p_voice) const;
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virtual float voice_get_pan(RID p_voice) const; //pan and depth go from -1 to 1
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virtual float voice_get_pan_depth(RID p_voice) const; //pan and depth go from -1 to 1
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virtual float voice_get_pan_height(RID p_voice) const; //pan and depth go from -1 to 1
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virtual FilterType voice_get_filter_type(RID p_voice) const;
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virtual float voice_get_filter_cutoff(RID p_voice) const;
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virtual float voice_get_filter_resonance(RID p_voice) const;
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virtual float voice_get_chorus(RID p_voice) const;
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virtual ReverbRoomType voice_get_reverb_type(RID p_voice) const;
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virtual float voice_get_reverb(RID p_voice) const;
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virtual int voice_get_mix_rate(RID p_voice) const;
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virtual bool voice_is_positional(RID p_voice) const;
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virtual void voice_stop(RID p_voice);
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virtual bool voice_is_active(RID p_voice) const;
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/* STREAM API */
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virtual RID audio_stream_create(AudioStream *p_stream);
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virtual RID event_stream_create(EventStream *p_stream);
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virtual void stream_set_active(RID p_stream, bool p_active);
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virtual bool stream_is_active(RID p_stream) const;
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virtual void stream_set_volume_scale(RID p_stream, float p_scale);
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virtual float stream_set_volume_scale(RID p_stream) const;
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virtual void free(RID p_id);
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virtual void init();
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virtual void finish();
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virtual void update();
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virtual void lock();
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virtual void unlock();
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virtual int get_default_channel_count() const;
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virtual int get_default_mix_rate() const;
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void set_mixer_params(AudioMixerSW::InterpolationType p_interp, bool p_use_fx);
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virtual void set_stream_global_volume_scale(float p_volume);
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virtual void set_fx_global_volume_scale(float p_volume);
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virtual void set_event_voice_global_volume_scale(float p_volume);
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virtual float get_stream_global_volume_scale() const;
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virtual float get_fx_global_volume_scale() const;
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virtual float get_event_voice_global_volume_scale() const;
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virtual uint32_t read_output_peak() const;
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virtual double get_mix_time() const; //useful for video -> audio sync
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virtual double get_output_delay() const;
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AudioServerSW(SampleManagerSW *p_sample_manager);
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~AudioServerSW();
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};
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class AudioDriverSW {
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static AudioDriverSW *singleton;
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uint64_t _last_mix_time;
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uint64_t _mix_amount;
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protected:
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void audio_server_process(int p_frames, int32_t *p_buffer, bool p_update_mix_time = true);
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void update_mix_time(int p_frames);
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public:
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double get_mix_time() const; //useful for video -> audio sync
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enum OutputFormat {
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OUTPUT_MONO,
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OUTPUT_STEREO,
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OUTPUT_QUAD,
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OUTPUT_5_1
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};
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static AudioDriverSW *get_singleton();
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void set_singleton();
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virtual const char *get_name() const = 0;
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virtual Error init() = 0;
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virtual void start() = 0;
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virtual int get_mix_rate() const = 0;
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virtual OutputFormat get_output_format() const = 0;
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virtual void lock() = 0;
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virtual void unlock() = 0;
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virtual void finish() = 0;
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virtual float get_latency() { return 0; }
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AudioDriverSW();
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virtual ~AudioDriverSW(){};
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};
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class AudioDriverManagerSW {
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enum {
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MAX_DRIVERS = 10
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};
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static AudioDriverSW *drivers[MAX_DRIVERS];
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static int driver_count;
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public:
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static void add_driver(AudioDriverSW *p_driver);
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static int get_driver_count();
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static AudioDriverSW *get_driver(int p_driver);
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};
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#endif // AUDIO_SERVER_SW_H
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