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-rw-r--r--drivers/chibi/event_stream_chibi.h314
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diff --git a/drivers/chibi/event_stream_chibi.h b/drivers/chibi/event_stream_chibi.h
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-/*************************************************************************/
-/* event_stream_chibi.h */
-/*************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* http://www.godotengine.org */
-/*************************************************************************/
-/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
-/* */
-/* 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 EVENT_STREAM_CHIBI_H
-#define EVENT_STREAM_CHIBI_H
-
-#include "scene/resources/event_stream.h"
-#include "cp_sample_manager.h"
-#include "cp_mixer.h"
-#include "cp_song.h"
-#include "cp_file_access_wrapper.h"
-#include "cp_player_data.h"
-#include "resource.h"
-#include "servers/audio_server.h"
-#include "os/file_access.h"
-#include "io/resource_loader.h"
-
-/** SAMPLE MANAGER **/
-
-class CPSampleManagerImpl : public CPSampleManager {
-
- struct SampleData {
-
- RID rid;
- bool stereo;
- bool is16;
- int len;
- int mixfreq;
- int loop_begin;
- int loop_end;
- int locks;
- DVector<uint8_t> lock;
- DVector<uint8_t>::Write w;
- CPSample_Loop_Type loop_type;
- };
-
-
- _FORCE_INLINE_ SampleData* _getsd(CPSample_ID p_id) {
-
- return ((SampleData*)p_id._private);
- }
- Set<SampleData*> valid;
-
-public:
-
- _FORCE_INLINE_ RID get_rid(CPSample_ID p_id) { return _getsd(p_id)->rid; }
- virtual CPSample_ID create(bool p_16bits,bool p_stereo,int32_t p_len);
- virtual void recreate(CPSample_ID p_id,bool p_16bits,bool p_stereo,int32_t p_len);
- virtual void destroy(CPSample_ID p_id);
- virtual bool check(CPSample_ID p_id); // return false if invalid
-
- virtual void set_c5_freq(CPSample_ID p_id,int32_t p_freq);
- virtual void set_loop_begin(CPSample_ID p_id,int32_t p_begin);
- virtual void set_loop_end(CPSample_ID p_id,int32_t p_end);
- virtual void set_loop_type(CPSample_ID p_id,CPSample_Loop_Type p_type);
- virtual void set_chunk(CPSample_ID p_id,int32_t p_index,void *p_data,int p_data_len);
-
-
- virtual int32_t get_loop_begin(CPSample_ID p_id);
- virtual int32_t get_loop_end(CPSample_ID p_id);
- virtual CPSample_Loop_Type get_loop_type(CPSample_ID p_id);
- virtual int32_t get_c5_freq(CPSample_ID p_id);
- virtual int32_t get_size(CPSample_ID p_id);
- virtual bool is_16bits(CPSample_ID p_id);
- virtual bool is_stereo(CPSample_ID p_id);
- virtual bool lock_data(CPSample_ID p_id);
- virtual void *get_data(CPSample_ID p_id); /* WARNING: Not all sample managers
-may be able to implement this, it depends on the mixer in use! */
- virtual int16_t get_data(CPSample_ID p_id, int p_sample, int p_channel=0); /// Does not need locking
- virtual void set_data(CPSample_ID p_id, int p_sample, int16_t p_data,int p_channel=0); /// Does not need locking
- virtual void unlock_data(CPSample_ID p_id);
-
- virtual void get_chunk(CPSample_ID p_id,int32_t p_index,void *p_data,int p_data_len);
-
-};
-
-
-/** MIXER **/
-
-class CPMixerImpl : public CPMixer {
-
- enum {
- MAX_VOICES=64
- };
-
- struct Voice {
-
- AudioMixer::ChannelID channel;
- CPSample_ID sample;
- float freq_mult;
- float reverb;
- Voice() { reverb=0.0; }
- };
-
- Voice voices[MAX_VOICES];
-
-
- int callback_interval;
- int callback_timeout;
- void (*callback)(void*);
- void *userdata;
- float voice_scale;
- float tempo_scale;
- float pitch_scale;
- AudioMixer::ReverbRoomType reverb_type;
- AudioMixer *mixer;
-public:
-
- void process_usecs(int p_usec,float p_volume,float p_pitch_scale,float p_tempo_scale);
-
- /* Callback */
-
- virtual void set_callback_interval(int p_interval_us); //in usecs, for tracker it's 2500000/tempo
- virtual void set_callback(void (*p_callback)(void*),void *p_userdata);
-
- /* Voice Control */
-
- virtual void setup_voice(int p_voice_index,CPSample_ID p_sample_id,int32_t p_start_index) ;
- virtual void stop_voice(int p_voice_index) ;
- virtual void set_voice_frequency(int p_voice_index,int32_t p_freq) ; //in freq*FREQUENCY_BITS
- virtual void set_voice_panning(int p_voice_index,int p_pan) ;
- virtual void set_voice_volume(int p_voice_index,int p_vol) ;
- virtual void set_voice_filter(int p_filter,bool p_enabled,uint8_t p_cutoff, uint8_t p_resonance );
- virtual void set_voice_reverb_send(int p_voice_index,int p_reverb);
- virtual void set_voice_chorus_send(int p_voice_index,int p_chorus); /* 0 - 255 */
-
- virtual void set_reverb_mode(ReverbMode p_mode);
- virtual void set_chorus_params(unsigned int p_delay_ms,unsigned int p_separation_ms,unsigned int p_depth_ms10,unsigned int p_speed_hz10);
-
-
- /* Info retrieving */
-
- virtual int32_t get_voice_sample_pos_index(int p_voice_index) ;
- virtual int get_voice_panning(int p_voice_index) ;
- virtual int get_voice_volume(int p_voice_index) ;
- virtual CPSample_ID get_voice_sample_id(int p_voice_index) ;
- virtual bool is_voice_active(int p_voice_index);
- virtual int get_active_voice_count() { return 0; }
- virtual int get_total_voice_count() { return MAX_VOICES; }
-
-
- virtual uint32_t get_mix_frequency() { return 0; }
-
- /* Methods below only work with software mixers, meant for software-based sound drivers, hardware mixers ignore them */
- virtual int32_t process(int32_t p_frames) { return 0; }
- virtual int32_t *get_mixdown_buffer_ptr() { return NULL; }
- virtual void set_mix_frequency(int32_t p_mix_frequency) {};
-
- CPMixerImpl(AudioMixer *p_mixer=NULL);
- virtual ~CPMixerImpl() {}
-};
-
-/** FILE ACCESS **/
-
-class CPFileAccessWrapperImpl : public CPFileAccessWrapper {
-
- FileAccess *f;
-public:
-
-
- virtual Error open(const char *p_filename, int p_mode_flags);
- virtual void close();
-
- virtual void seek(uint32_t p_position);
- virtual void seek_end();
- virtual uint32_t get_pos();
-
- virtual bool eof_reached();
-
- virtual uint8_t get_byte();
- virtual void get_byte_array(uint8_t *p_dest,int p_elements);
- virtual void get_word_array(uint16_t *p_dest,int p_elements);
-
- virtual uint16_t get_word();
- virtual uint32_t get_dword();
-
- virtual void set_endian_conversion(bool p_swap);
- virtual bool is_open();
-
- virtual Error get_error();
-
- virtual void store_byte(uint8_t p_dest);
- virtual void store_byte_array(const uint8_t *p_dest,int p_elements);
-
- virtual void store_word(uint16_t p_dest);
- virtual void store_dword(uint32_t p_dest);
-
- CPFileAccessWrapperImpl() { f=NULL; }
- virtual ~CPFileAccessWrapperImpl(){ if (f) memdelete(f); }
-
-};
-
-
-
-/////////////////////
-
-class EventStreamChibi;
-
-class EventStreamPlaybackChibi : public EventStreamPlayback {
-
- OBJ_TYPE(EventStreamPlaybackChibi,EventStreamPlayback);
-
- CPMixerImpl mixer;
- uint64_t total_usec;
- Ref<EventStreamChibi> stream;
- mutable CPPlayer *player;
- bool loop;
- int last_order;
- int loops;
- virtual Error _play();
- virtual bool _update(AudioMixer* p_mixer, uint64_t p_usec);
- virtual void _stop();
- float volume;
- float tempo_scale;
- float pitch_scale;
-
-
-public:
-
-
- virtual void set_paused(bool p_paused);
- virtual bool is_paused() const;
-
- virtual void set_loop(bool p_loop);
- virtual bool is_loop_enabled() const;
-
- virtual int get_loop_count() const;
-
- virtual float get_pos() const;
- virtual void seek_pos(float p_time);
-
- virtual void set_volume(float p_vol);
- virtual float get_volume() const;
-
- virtual void set_pitch_scale(float p_pitch_scale);
- virtual float get_pitch_scale() const;
-
- virtual void set_tempo_scale(float p_tempo_scale);
- virtual float get_tempo_scale() const;
-
- virtual void set_channel_volume(int p_channel,float p_volume);
- virtual float get_channel_volume(int p_channel) const;
-
- virtual float get_last_note_time(int p_channel) const;
-
- EventStreamPlaybackChibi(Ref<EventStreamChibi> p_stream=Ref<EventStreamChibi>());
- ~EventStreamPlaybackChibi();
-};
-
-
-class EventStreamChibi : public EventStream {
-
- OBJ_TYPE(EventStreamChibi,EventStream);
-
-friend class ResourceFormatLoaderChibi;
-friend class EventStreamPlaybackChibi;
- //I think i didn't know what const was when i wrote this more than a decade ago
- //so it goes mutable :(
- mutable CPSong song;
-
-
-public:
-
- virtual Ref<EventStreamPlayback> instance_playback();
-
- virtual String get_stream_name() const;
-
- virtual float get_length() const;
-
- virtual int get_channel_count() const { return 64; } //tracker limit
-
- EventStreamChibi();
-};
-
-
-class ResourceFormatLoaderChibi : public ResourceFormatLoader {
-
-public:
- virtual RES load(const String &p_path,const String& p_original_path="",Error *r_error=NULL);
- virtual void get_recognized_extensions(List<String> *p_extensions) const;
- virtual bool handles_type(const String& p_type) const;
- virtual String get_resource_type(const String &p_path) const;
-
-};
-
-void initialize_chibi();
-void finalize_chibi();
-
-#endif // EVENT_STREAM_CHIBI_H
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