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Diffstat (limited to 'platform/javascript/audio_driver_javascript.cpp')
| -rw-r--r-- | platform/javascript/audio_driver_javascript.cpp | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/platform/javascript/audio_driver_javascript.cpp b/platform/javascript/audio_driver_javascript.cpp deleted file mode 100644 index 6ea948004e..0000000000 --- a/platform/javascript/audio_driver_javascript.cpp +++ /dev/null @@ -1,189 +0,0 @@ -/*************************************************************************/ -/* audio_driver_javascript.cpp */ -/*************************************************************************/ -/* 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. */ -/*************************************************************************/ - -#include "audio_driver_javascript.h" - -#include "core/project_settings.h" -#include "godot_audio.h" - -#include <emscripten.h> - -AudioDriverJavaScript *AudioDriverJavaScript::singleton = nullptr; - -bool AudioDriverJavaScript::is_available() { - return godot_audio_is_available() != 0; -} - -const char *AudioDriverJavaScript::get_name() const { - return "JavaScript"; -} - -#ifndef NO_THREADS -void AudioDriverJavaScript::_audio_thread_func(void *p_data) { - AudioDriverJavaScript *obj = static_cast<AudioDriverJavaScript *>(p_data); - while (!obj->quit) { - obj->lock(); - if (!obj->needs_process) { - obj->unlock(); - OS::get_singleton()->delay_usec(1000); // Give the browser some slack. - continue; - } - obj->_js_driver_process(); - obj->needs_process = false; - obj->unlock(); - } -} -#endif - -extern "C" EMSCRIPTEN_KEEPALIVE void audio_driver_process_start() { -#ifndef NO_THREADS - AudioDriverJavaScript::singleton->lock(); -#else - AudioDriverJavaScript::singleton->_js_driver_process(); -#endif -} - -extern "C" EMSCRIPTEN_KEEPALIVE void audio_driver_process_end() { -#ifndef NO_THREADS - AudioDriverJavaScript::singleton->needs_process = true; - AudioDriverJavaScript::singleton->unlock(); -#endif -} - -extern "C" EMSCRIPTEN_KEEPALIVE void audio_driver_process_capture(float sample) { - AudioDriverJavaScript::singleton->process_capture(sample); -} - -void AudioDriverJavaScript::_js_driver_process() { - int sample_count = memarr_len(internal_buffer) / channel_count; - int32_t *stream_buffer = reinterpret_cast<int32_t *>(internal_buffer); - audio_server_process(sample_count, stream_buffer); - for (int i = 0; i < sample_count * channel_count; i++) { - internal_buffer[i] = float(stream_buffer[i] >> 16) / 32768.f; - } -} - -void AudioDriverJavaScript::process_capture(float sample) { - int32_t sample32 = int32_t(sample * 32768.f) * (1U << 16); - input_buffer_write(sample32); -} - -Error AudioDriverJavaScript::init() { - mix_rate = GLOBAL_GET("audio/mix_rate"); - int latency = GLOBAL_GET("audio/output_latency"); - - channel_count = godot_audio_init(mix_rate, latency); - buffer_length = closest_power_of_2((latency * mix_rate / 1000) * channel_count); - buffer_length = godot_audio_create_processor(buffer_length, channel_count); - if (!buffer_length) { - return FAILED; - } - - if (!internal_buffer || (int)memarr_len(internal_buffer) != buffer_length * channel_count) { - if (internal_buffer) - memdelete_arr(internal_buffer); - internal_buffer = memnew_arr(float, buffer_length *channel_count); - } - - if (!internal_buffer) { - return ERR_OUT_OF_MEMORY; - } - return OK; -} - -void AudioDriverJavaScript::start() { -#ifndef NO_THREADS - thread = Thread::create(_audio_thread_func, this); -#endif - godot_audio_start(internal_buffer); -} - -void AudioDriverJavaScript::resume() { - godot_audio_resume(); -} - -float AudioDriverJavaScript::get_latency() { - return godot_audio_get_latency(); -} - -int AudioDriverJavaScript::get_mix_rate() const { - return mix_rate; -} - -AudioDriver::SpeakerMode AudioDriverJavaScript::get_speaker_mode() const { - return get_speaker_mode_by_total_channels(channel_count); -} - -void AudioDriverJavaScript::lock() { -#ifndef NO_THREADS - mutex.lock(); -#endif -} - -void AudioDriverJavaScript::unlock() { -#ifndef NO_THREADS - mutex.unlock(); -#endif -} - -void AudioDriverJavaScript::finish_async() { -#ifndef NO_THREADS - quit = true; // Ask thread to quit. -#endif - godot_audio_finish_async(); -} - -void AudioDriverJavaScript::finish() { -#ifndef NO_THREADS - Thread::wait_to_finish(thread); - memdelete(thread); - thread = NULL; -#endif - if (internal_buffer) { - memdelete_arr(internal_buffer); - internal_buffer = nullptr; - } -} - -Error AudioDriverJavaScript::capture_start() { - godot_audio_capture_stop(); - input_buffer_init(buffer_length); - godot_audio_capture_start(); - return OK; -} - -Error AudioDriverJavaScript::capture_stop() { - input_buffer.clear(); - return OK; -} - -AudioDriverJavaScript::AudioDriverJavaScript() { - singleton = this; -} |