144 lines
4.9 KiB
C++
144 lines
4.9 KiB
C++
/*************************************************************************/
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/* audio_stream_opus.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) 2007-2018 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2018 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_STREAM_OPUS_H
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#define AUDIO_STREAM_OPUS_H
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#include "core/io/resource_loader.h"
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#include "core/os/file_access.h"
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#include "scene/resources/audio_stream.h"
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#include <opus/opusfile.h>
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/**
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@author George Marques <george@gmarqu.es>
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*/
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class AudioStreamPlaybackOpus : public AudioStreamPlayback {
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GDCLASS(AudioStreamPlaybackOpus, AudioStreamPlayback)
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enum {
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MIN_MIX = 1024
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};
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FileAccess *f;
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OpusFileCallbacks _op_callbacks;
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float length;
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static int _op_read_func(void *_stream, unsigned char *_ptr, int _nbytes);
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static int _op_seek_func(void *_stream, opus_int64 _offset, int _whence);
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static int _op_close_func(void *_stream);
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static opus_int64 _op_tell_func(void *_stream);
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static const float osrate;
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String file;
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int64_t frames_mixed;
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bool stream_loaded;
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volatile bool playing;
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OggOpusFile *opus_file;
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int stream_channels;
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int current_section;
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int pre_skip;
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bool paused;
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bool loops;
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int repeats;
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Error _load_stream();
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void _clear_stream();
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void _close_file();
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bool stream_valid;
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float loop_restart_time;
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public:
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Error set_file(const String &p_file);
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virtual void play(float p_from = 0);
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virtual void stop();
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virtual bool is_playing() const { return playing; }
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virtual void set_loop_restart_time(float p_time) { loop_restart_time = p_time; }
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virtual void set_paused(bool p_paused) { paused = p_paused; }
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virtual bool is_paused() const { return paused; }
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virtual void set_loop(bool p_enable) { loops = p_enable; }
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virtual bool has_loop() const { return loops; }
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virtual float get_length() const;
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virtual String get_stream_name() const { return ""; }
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virtual int get_loop_count() const { return repeats; }
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virtual float get_playback_position() const;
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virtual void seek(float p_time);
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virtual int get_channels() const { return stream_channels; }
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virtual int get_mix_rate() const { return osrate; }
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virtual int get_minimum_buffer_size() const;
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virtual int mix(int16_t *p_buffer, int p_frames);
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AudioStreamPlaybackOpus();
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~AudioStreamPlaybackOpus();
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};
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class AudioStreamOpus : public AudioStream {
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GDCLASS(AudioStreamOpus, AudioStream)
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String file;
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public:
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Ref<AudioStreamPlayback> instance_playback() {
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Ref<AudioStreamPlaybackOpus> pb = memnew(AudioStreamPlaybackOpus);
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pb->set_file(file);
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return pb;
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}
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void set_file(const String &p_file) { file = p_file; }
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};
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class ResourceFormatLoaderAudioStreamOpus : public ResourceFormatLoader {
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GDCLASS(ResourceFormatLoaderAudioStreamOpus, ResourceFormatLoader)
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public:
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virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = NULL);
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virtual void get_recognized_extensions(List<String> *p_extensions) const;
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virtual bool handles_type(const String &p_type) const;
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virtual String get_resource_type(const String &p_path) const;
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};
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#endif // AUDIO_STREAM_OPUS_H
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