diff options
Diffstat (limited to 'drivers/opus/audio_stream_opus.h')
| -rw-r--r-- | drivers/opus/audio_stream_opus.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/drivers/opus/audio_stream_opus.h b/drivers/opus/audio_stream_opus.h new file mode 100644 index 0000000000..5bb838cd31 --- /dev/null +++ b/drivers/opus/audio_stream_opus.h @@ -0,0 +1,141 @@ +/*************************************************************************/ +/* audio_stream_opus.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* http://www.godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2015 Juan Linietsky, Ariel Manzur. */ +/* */ +/* Author: George Marques <george@gmarqu.es> */ +/* */ +/* 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_OPUS_H +#define AUDIO_STREAM_OPUS_H + +#include "scene/resources/audio_stream.h" +#include "opus/opusfile.h" +#include "opus/internal.h" +#include "os/file_access.h" +#include "io/resource_loader.h" + +class AudioStreamPlaybackOpus : public AudioStreamPlayback { + + OBJ_TYPE(AudioStreamPlaybackOpus,AudioStreamPlayback) + + enum { + MIN_MIX=1024 + }; + + FileAccess *f; + + OpusFileCallbacks _op_callbacks; + float length; + static int _op_read_func(void *_stream, unsigned char *_ptr, int _nbytes); + static int _op_seek_func(void *_stream, opus_int64 _offset, int _whence); + static int _op_close_func(void *_stream); + static opus_int64 _op_tell_func(void *_stream); + static const float osrate=48000.0f; + + String file; + int64_t frames_mixed; + + bool stream_loaded; + volatile bool playing; + OggOpusFile *opus_file; + int stream_channels; + int current_section; + int pre_skip; + + bool paused; + bool loops; + int repeats; + + Error _load_stream(); + void _clear_stream(); + void _close_file(); + + bool stream_valid; + float loop_restart_time; + +public: + Error set_file(const String& p_file); + + virtual void play(float p_from=0); + virtual void stop(); + virtual bool is_playing() const { return playing; } + + virtual void set_loop_restart_time(float p_time) { loop_restart_time=p_time; } + + virtual void set_paused(bool p_paused) { paused=p_paused; } + virtual bool is_paused() const { return paused; } + + virtual void set_loop(bool p_enable) { loops=p_enable; } + virtual bool has_loop() const {return loops; } + + virtual float get_length() const; + + virtual String get_stream_name() const { return ""; } + + virtual int get_loop_count() const { return repeats; } + + virtual float get_pos() const; + virtual void seek_pos(float p_time); + + virtual int get_channels() const { return stream_channels; } + virtual int get_mix_rate() const { return osrate; } + + virtual int get_minimum_buffer_size() const; + + virtual int mix(int16_t* p_bufer,int p_frames); + + AudioStreamPlaybackOpus(); + ~AudioStreamPlaybackOpus(); +}; + + +class AudioStreamOpus: public AudioStream { + + OBJ_TYPE(AudioStreamOpus,AudioStream) + + String file; +public: + + Ref<AudioStreamPlayback> instance_playback() { + Ref<AudioStreamPlaybackOpus> pb = memnew( AudioStreamPlaybackOpus ); + pb->set_file(file); + return pb; + } + + void set_file(const String& p_file) { file=p_file; } + +}; + +class ResourceFormatLoaderAudioStreamOpus: 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; +}; + +#endif // AUDIO_STREAM_OPUS_H |