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early-access version 2835

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pineappleEA
2022-07-15 04:00:50 +02:00
parent 5c0ee5eba6
commit 0e7aef7e36
1173 changed files with 55320 additions and 18881 deletions
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72
externals/SDL/src/audio/emscripten/SDL_emscriptenaudio.c vendored
View File

@@ -1,6 +1,6 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
@@ -28,11 +28,16 @@
#include <emscripten/emscripten.h>
/* !!! FIXME: this currently expects that the audio callback runs in the main thread,
!!! FIXME: in intervals when the application isn't running, but that may not be
!!! FIXME: true always once pthread support becomes widespread. Revisit this code
!!! FIXME: at some point and see what needs to be done for that! */
static void
FeedAudioDevice(_THIS, const void *buf, const int buflen)
{
const int framelen = (SDL_AUDIO_BITSIZE(this->spec.format) / 8) * this->spec.channels;
EM_ASM_ARGS({
MAIN_THREAD_EM_ASM({
var SDL2 = Module['SDL2'];
var numChannels = SDL2.audio.currentOutputBuffer['numberOfChannels'];
for (var c = 0; c < numChannels; ++c) {
@@ -101,7 +106,7 @@ HandleCaptureProcess(_THIS)
return;
}
EM_ASM_ARGS({
MAIN_THREAD_EM_ASM({
var SDL2 = Module['SDL2'];
var numChannels = SDL2.capture.currentCaptureBuffer.numberOfChannels;
for (var c = 0; c < numChannels; ++c) {
@@ -147,7 +152,7 @@ HandleCaptureProcess(_THIS)
static void
EMSCRIPTENAUDIO_CloseDevice(_THIS)
{
EM_ASM_({
MAIN_THREAD_EM_ASM({
var SDL2 = Module['SDL2'];
if ($0) {
if (SDL2.capture.silenceTimer !== undefined) {
@@ -192,16 +197,16 @@ EMSCRIPTENAUDIO_CloseDevice(_THIS)
}
static int
EMSCRIPTENAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
EMSCRIPTENAUDIO_OpenDevice(_THIS, const char *devname)
{
SDL_bool valid_format = SDL_FALSE;
SDL_AudioFormat test_format;
SDL_bool iscapture = this->iscapture;
int result;
/* based on parts of library_sdl.js */
/* create context */
result = EM_ASM_INT({
result = MAIN_THREAD_EM_ASM_INT({
if(typeof(Module['SDL2']) === 'undefined') {
Module['SDL2'] = {};
}
@@ -228,22 +233,21 @@ EMSCRIPTENAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscaptu
return SDL_SetError("Web Audio API is not available!");
}
test_format = SDL_FirstAudioFormat(this->spec.format);
while ((!valid_format) && (test_format)) {
for (test_format = SDL_FirstAudioFormat(this->spec.format); test_format; test_format = SDL_NextAudioFormat()) {
switch (test_format) {
case AUDIO_F32: /* web audio only supports floats */
this->spec.format = test_format;
valid_format = SDL_TRUE;
break;
default:
continue;
}
test_format = SDL_NextAudioFormat();
break;
}
if (!valid_format) {
if (!test_format) {
/* Didn't find a compatible format :( */
return SDL_SetError("No compatible audio format!");
return SDL_SetError("%s: Unsupported audio format", "emscripten");
}
this->spec.format = test_format;
/* Initialize all variables that we clean on shutdown */
#if 0 /* !!! FIXME: currently not used. Can we move some stuff off the SDL2 namespace? --ryan. */
@@ -281,7 +285,7 @@ EMSCRIPTENAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscaptu
feels like it's a pretty inefficient tapdance in similar ways,
to be honest. */
EM_ASM_({
MAIN_THREAD_EM_ASM({
var SDL2 = Module['SDL2'];
var have_microphone = function(stream) {
//console.log('SDL audio capture: we have a microphone! Replacing silence callback.');
@@ -324,7 +328,7 @@ EMSCRIPTENAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscaptu
}, this->spec.channels, this->spec.samples, HandleCaptureProcess, this);
} else {
/* setup a ScriptProcessorNode */
EM_ASM_ARGS({
MAIN_THREAD_EM_ASM({
var SDL2 = Module['SDL2'];
SDL2.audio.scriptProcessorNode = SDL2.audioContext['createScriptProcessor']($1, 0, $0);
SDL2.audio.scriptProcessorNode['onaudioprocess'] = function (e) {
@@ -339,43 +343,47 @@ EMSCRIPTENAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscaptu
return 0;
}
static int
static void
EMSCRIPTENAUDIO_LockOrUnlockDeviceWithNoMixerLock(SDL_AudioDevice * device)
{
}
static SDL_bool
EMSCRIPTENAUDIO_Init(SDL_AudioDriverImpl * impl)
{
int available;
int capture_available;
SDL_bool available, capture_available;
/* Set the function pointers */
impl->OpenDevice = EMSCRIPTENAUDIO_OpenDevice;
impl->CloseDevice = EMSCRIPTENAUDIO_CloseDevice;
impl->OnlyHasDefaultOutputDevice = 1;
impl->OnlyHasDefaultOutputDevice = SDL_TRUE;
/* no threads here */
impl->SkipMixerLock = 1;
impl->ProvidesOwnCallbackThread = 1;
impl->LockDevice = impl->UnlockDevice = EMSCRIPTENAUDIO_LockOrUnlockDeviceWithNoMixerLock;
impl->ProvidesOwnCallbackThread = SDL_TRUE;
/* check availability */
available = EM_ASM_INT_V({
available = MAIN_THREAD_EM_ASM_INT({
if (typeof(AudioContext) !== 'undefined') {
return 1;
return true;
} else if (typeof(webkitAudioContext) !== 'undefined') {
return 1;
return true;
}
return 0;
return false;
});
if (!available) {
SDL_SetError("No audio context available");
}
capture_available = available && EM_ASM_INT_V({
capture_available = available && MAIN_THREAD_EM_ASM_INT({
if ((typeof(navigator.mediaDevices) !== 'undefined') && (typeof(navigator.mediaDevices.getUserMedia) !== 'undefined')) {
return 1;
return true;
} else if (typeof(navigator.webkitGetUserMedia) !== 'undefined') {
return 1;
return true;
}
return 0;
return false;
});
impl->HasCaptureSupport = capture_available ? SDL_TRUE : SDL_FALSE;
@@ -385,7 +393,7 @@ EMSCRIPTENAUDIO_Init(SDL_AudioDriverImpl * impl)
}
AudioBootStrap EMSCRIPTENAUDIO_bootstrap = {
"emscripten", "SDL emscripten audio driver", EMSCRIPTENAUDIO_Init, 0
"emscripten", "SDL emscripten audio driver", EMSCRIPTENAUDIO_Init, SDL_FALSE
};
#endif /* SDL_AUDIO_DRIVER_EMSCRIPTEN */

2
externals/SDL/src/audio/emscripten/SDL_emscriptenaudio.h vendored
View File

@@ -1,6 +1,6 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages