Happy new year to the wonderful Godot community!
2020 has been a tough year for most of us personally, but a good year for
Godot development nonetheless with a huge amount of work done towards Godot
4.0 and great improvements backported to the long-lived 3.2 branch.
We've had close to 400 contributors to engine code this year, authoring near
7,000 commit! (And that's only for the `master` branch and for the engine code,
there's a lot more when counting docs, demos and other first-party repos.)
Here's to a great year 2021 for all Godot users 🎆
(cherry picked from commit b5334d14f7
)
204 lines
6.5 KiB
C++
204 lines
6.5 KiB
C++
/*************************************************************************/
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/* audio_driver_jandroid.cpp */
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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) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 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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#include "audio_driver_jandroid.h"
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#include "core/os/os.h"
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#include "core/project_settings.h"
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#include "thread_jandroid.h"
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AudioDriverAndroid *AudioDriverAndroid::s_ad = NULL;
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jobject AudioDriverAndroid::io;
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jmethodID AudioDriverAndroid::_init_audio;
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jmethodID AudioDriverAndroid::_write_buffer;
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jmethodID AudioDriverAndroid::_quit;
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jmethodID AudioDriverAndroid::_pause;
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bool AudioDriverAndroid::active = false;
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jclass AudioDriverAndroid::cls;
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int AudioDriverAndroid::audioBufferFrames = 0;
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int AudioDriverAndroid::mix_rate = 44100;
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bool AudioDriverAndroid::quit = false;
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jobject AudioDriverAndroid::audioBuffer = NULL;
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void *AudioDriverAndroid::audioBufferPinned = NULL;
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Mutex *AudioDriverAndroid::mutex = NULL;
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int32_t *AudioDriverAndroid::audioBuffer32 = NULL;
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const char *AudioDriverAndroid::get_name() const {
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return "Android";
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}
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Error AudioDriverAndroid::init() {
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mutex = Mutex::create();
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/*
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// TODO: pass in/return a (Java) device ID, also whether we're opening for input or output
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this->spec.samples = Android_JNI_OpenAudioDevice(this->spec.freq, this->spec.format == AUDIO_U8 ? 0 : 1, this->spec.channels, this->spec.samples);
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SDL_CalculateAudioSpec(&this->spec);
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if (this->spec.samples == 0) {
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// Init failed?
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SDL_SetError("Java-side initialization failed!");
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return 0;
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}
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*/
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//Android_JNI_SetupThread();
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// __android_log_print(ANDROID_LOG_VERBOSE, "SDL", "SDL audio: opening device");
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JNIEnv *env = ThreadAndroid::get_env();
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int mix_rate = GLOBAL_GET("audio/mix_rate");
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int latency = GLOBAL_GET("audio/output_latency");
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unsigned int buffer_size = next_power_of_2(latency * mix_rate / 1000);
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print_verbose("Audio buffer size: " + itos(buffer_size));
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audioBuffer = env->CallObjectMethod(io, _init_audio, mix_rate, buffer_size);
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ERR_FAIL_COND_V(audioBuffer == NULL, ERR_INVALID_PARAMETER);
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audioBuffer = env->NewGlobalRef(audioBuffer);
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jboolean isCopy = JNI_FALSE;
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audioBufferPinned = env->GetShortArrayElements((jshortArray)audioBuffer, &isCopy);
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audioBufferFrames = env->GetArrayLength((jshortArray)audioBuffer);
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audioBuffer32 = memnew_arr(int32_t, audioBufferFrames);
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return OK;
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}
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void AudioDriverAndroid::start() {
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active = true;
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}
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void AudioDriverAndroid::setup(jobject p_io) {
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JNIEnv *env = ThreadAndroid::get_env();
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io = p_io;
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jclass c = env->GetObjectClass(io);
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cls = (jclass)env->NewGlobalRef(c);
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_init_audio = env->GetMethodID(cls, "audioInit", "(II)Ljava/lang/Object;");
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_write_buffer = env->GetMethodID(cls, "audioWriteShortBuffer", "([S)V");
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_quit = env->GetMethodID(cls, "audioQuit", "()V");
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_pause = env->GetMethodID(cls, "audioPause", "(Z)V");
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}
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void AudioDriverAndroid::thread_func(JNIEnv *env) {
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jclass cls = env->FindClass("org/godotengine/godot/Godot");
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if (cls) {
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cls = (jclass)env->NewGlobalRef(cls);
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}
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jfieldID fid = env->GetStaticFieldID(cls, "io", "Lorg/godotengine/godot/GodotIO;");
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jobject ob = env->GetStaticObjectField(cls, fid);
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jobject gob = env->NewGlobalRef(ob);
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jclass c = env->GetObjectClass(gob);
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jclass lcls = (jclass)env->NewGlobalRef(c);
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_write_buffer = env->GetMethodID(lcls, "audioWriteShortBuffer", "([S)V");
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while (!quit) {
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int16_t *ptr = (int16_t *)audioBufferPinned;
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int fc = audioBufferFrames;
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if (!s_ad->active || mutex->try_lock() != OK) {
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for (int i = 0; i < fc; i++) {
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ptr[i] = 0;
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}
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} else {
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s_ad->audio_server_process(fc / 2, audioBuffer32);
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mutex->unlock();
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for (int i = 0; i < fc; i++) {
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ptr[i] = audioBuffer32[i] >> 16;
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}
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}
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env->ReleaseShortArrayElements((jshortArray)audioBuffer, (jshort *)ptr, JNI_COMMIT);
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env->CallVoidMethod(gob, _write_buffer, (jshortArray)audioBuffer);
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}
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}
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int AudioDriverAndroid::get_mix_rate() const {
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return mix_rate;
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}
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AudioDriver::SpeakerMode AudioDriverAndroid::get_speaker_mode() const {
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return SPEAKER_MODE_STEREO;
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}
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void AudioDriverAndroid::lock() {
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if (mutex)
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mutex->lock();
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}
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void AudioDriverAndroid::unlock() {
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if (mutex)
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mutex->unlock();
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}
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void AudioDriverAndroid::finish() {
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JNIEnv *env = ThreadAndroid::get_env();
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env->CallVoidMethod(io, _quit);
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if (audioBuffer) {
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env->DeleteGlobalRef(audioBuffer);
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audioBuffer = NULL;
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audioBufferPinned = NULL;
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}
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active = false;
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}
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void AudioDriverAndroid::set_pause(bool p_pause) {
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JNIEnv *env = ThreadAndroid::get_env();
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env->CallVoidMethod(io, _pause, p_pause);
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}
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AudioDriverAndroid::AudioDriverAndroid() {
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s_ad = this;
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active = false;
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}
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