summaryrefslogtreecommitdiff
path: root/platform/javascript
diff options
context:
space:
mode:
Diffstat (limited to 'platform/javascript')
-rw-r--r--platform/javascript/audio_driver_javascript.cpp104
-rw-r--r--platform/javascript/audio_driver_javascript.h7
-rw-r--r--platform/javascript/detect.py5
-rw-r--r--platform/javascript/export/export.cpp8
-rw-r--r--platform/javascript/os_javascript.cpp18
-rw-r--r--platform/javascript/os_javascript.h4
6 files changed, 133 insertions, 13 deletions
diff --git a/platform/javascript/audio_driver_javascript.cpp b/platform/javascript/audio_driver_javascript.cpp
index 7a6613bb32..a5b627b8dc 100644
--- a/platform/javascript/audio_driver_javascript.cpp
+++ b/platform/javascript/audio_driver_javascript.cpp
@@ -44,6 +44,11 @@ extern "C" EMSCRIPTEN_KEEPALIVE void audio_driver_js_mix() {
AudioDriverJavaScript::singleton->mix_to_js();
}
+extern "C" EMSCRIPTEN_KEEPALIVE void audio_driver_process_capture(float sample) {
+
+ AudioDriverJavaScript::singleton->process_capture(sample);
+}
+
void AudioDriverJavaScript::mix_to_js() {
int channel_count = get_total_channels_by_speaker_mode(get_speaker_mode());
@@ -51,31 +56,39 @@ void AudioDriverJavaScript::mix_to_js() {
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) / 32768.0;
+ 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() {
/* clang-format off */
EM_ASM({
_audioDriver_audioContext = new (window.AudioContext || window.webkitAudioContext);
+ _audioDriver_audioInput = null;
+ _audioDriver_inputStream = null;
_audioDriver_scriptNode = null;
});
/* clang-format on */
int channel_count = get_total_channels_by_speaker_mode(get_speaker_mode());
/* clang-format off */
- int buffer_length = EM_ASM_INT({
+ buffer_length = EM_ASM_INT({
var CHANNEL_COUNT = $0;
var channelCount = _audioDriver_audioContext.destination.channelCount;
try {
// Try letting the browser recommend a buffer length.
- _audioDriver_scriptNode = _audioDriver_audioContext.createScriptProcessor(0, 0, channelCount);
+ _audioDriver_scriptNode = _audioDriver_audioContext.createScriptProcessor(0, 2, channelCount);
} catch (e) {
// ...otherwise, default to 4096.
- _audioDriver_scriptNode = _audioDriver_audioContext.createScriptProcessor(4096, 0, channelCount);
+ _audioDriver_scriptNode = _audioDriver_audioContext.createScriptProcessor(4096, 2, channelCount);
}
_audioDriver_scriptNode.connect(_audioDriver_audioContext.destination);
@@ -91,6 +104,7 @@ Error AudioDriverJavaScript::init() {
memdelete_arr(internal_buffer);
internal_buffer = memnew_arr(float, buffer_length *channel_count);
}
+
return internal_buffer ? OK : ERR_OUT_OF_MEMORY;
}
@@ -101,11 +115,13 @@ void AudioDriverJavaScript::start() {
var INTERNAL_BUFFER_PTR = $0;
var audioDriverMixFunction = cwrap('audio_driver_js_mix');
+ var audioDriverProcessCapture = cwrap('audio_driver_process_capture', null, ['number']);
_audioDriver_scriptNode.onaudioprocess = function(audioProcessingEvent) {
audioDriverMixFunction();
- // The output buffer contains the samples that will be modified and played.
+
+ var input = audioProcessingEvent.inputBuffer;
var output = audioProcessingEvent.outputBuffer;
- var input = HEAPF32.subarray(
+ var internalBuffer = HEAPF32.subarray(
INTERNAL_BUFFER_PTR / HEAPF32.BYTES_PER_ELEMENT,
INTERNAL_BUFFER_PTR / HEAPF32.BYTES_PER_ELEMENT + output.length * output.numberOfChannels);
@@ -113,8 +129,16 @@ void AudioDriverJavaScript::start() {
var outputData = output.getChannelData(channel);
// Loop through samples.
for (var sample = 0; sample < outputData.length; sample++) {
- // Set output equal to input.
- outputData[sample] = input[sample * output.numberOfChannels + channel];
+ outputData[sample] = internalBuffer[sample * output.numberOfChannels + channel];
+ }
+ }
+
+ if (_audioDriver_audioInput) {
+ var inputDataL = input.getChannelData(0);
+ var inputDataR = input.getChannelData(1);
+ for (var i = 0; i < inputDataL.length; i++) {
+ audioDriverProcessCapture(inputDataL[i]);
+ audioDriverProcessCapture(inputDataR[i]);
}
}
};
@@ -152,14 +176,74 @@ void AudioDriverJavaScript::finish() {
/* clang-format off */
EM_ASM({
_audioDriver_audioContext = null;
+ _audioDriver_audioInput = null;
_audioDriver_scriptNode = null;
});
/* clang-format on */
- memdelete_arr(internal_buffer);
- internal_buffer = NULL;
+
+ if (internal_buffer) {
+ memdelete_arr(internal_buffer);
+ internal_buffer = NULL;
+ }
+}
+
+Error AudioDriverJavaScript::capture_start() {
+
+ input_buffer_init(buffer_length);
+
+ /* clang-format off */
+ EM_ASM({
+ function gotMediaInput(stream) {
+ _audioDriver_inputStream = stream;
+ _audioDriver_audioInput = _audioDriver_audioContext.createMediaStreamSource(stream);
+ _audioDriver_audioInput.connect(_audioDriver_scriptNode);
+ }
+
+ function gotMediaInputError(e) {
+ console.log(e);
+ }
+
+ if (navigator.mediaDevices.getUserMedia) {
+ navigator.mediaDevices.getUserMedia({"audio": true}).then(gotMediaInput, gotMediaInputError);
+ } else {
+ if (!navigator.getUserMedia)
+ navigator.getUserMedia = navigator.webkitGetUserMedia || navigator.mozGetUserMedia;
+ navigator.getUserMedia({"audio": true}, gotMediaInput, gotMediaInputError);
+ }
+ });
+ /* clang-format on */
+
+ return OK;
+}
+
+Error AudioDriverJavaScript::capture_stop() {
+
+ /* clang-format off */
+ EM_ASM({
+ if (_audioDriver_inputStream) {
+ const tracks = _audioDriver_inputStream.getTracks();
+ for (var i = 0; i < tracks.length; i++) {
+ tracks[i].stop();
+ }
+ _audioDriver_inputStream = null;
+ }
+
+ if (_audioDriver_audioInput) {
+ _audioDriver_audioInput.disconnect();
+ _audioDriver_audioInput = null;
+ }
+
+ });
+ /* clang-format on */
+
+ input_buffer.clear();
+
+ return OK;
}
AudioDriverJavaScript::AudioDriverJavaScript() {
+ internal_buffer = NULL;
+
singleton = this;
}
diff --git a/platform/javascript/audio_driver_javascript.h b/platform/javascript/audio_driver_javascript.h
index a65a8ec29f..c8aeb0b446 100644
--- a/platform/javascript/audio_driver_javascript.h
+++ b/platform/javascript/audio_driver_javascript.h
@@ -37,8 +37,12 @@ class AudioDriverJavaScript : public AudioDriver {
float *internal_buffer;
+ int buffer_length;
+
public:
void mix_to_js();
+ void process_capture(float sample);
+
static AudioDriverJavaScript *singleton;
virtual const char *get_name() const;
@@ -51,6 +55,9 @@ public:
virtual void unlock();
virtual void finish();
+ virtual Error capture_start();
+ virtual Error capture_stop();
+
AudioDriverJavaScript();
};
diff --git a/platform/javascript/detect.py b/platform/javascript/detect.py
index 17b31f8d73..22b5f1f87a 100644
--- a/platform/javascript/detect.py
+++ b/platform/javascript/detect.py
@@ -122,12 +122,17 @@ def configure(env):
## Link flags
env.Append(LINKFLAGS=['-s', 'BINARYEN=1'])
+ env.Append(LINKFLAGS=['-s', 'BINARYEN_TRAP_MODE=\'clamp\''])
# Allow increasing memory buffer size during runtime. This is efficient
# when using WebAssembly (in comparison to asm.js) and works well for
# us since we don't know requirements at compile-time.
env.Append(LINKFLAGS=['-s', 'ALLOW_MEMORY_GROWTH=1'])
+ # Since we use both memory growth and MEMFS preloading,
+ # this avoids unecessary copying on start-up.
+ env.Append(LINKFLAGS=['--no-heap-copy'])
+
# This setting just makes WebGL 2 APIs available, it does NOT disable WebGL 1.
env.Append(LINKFLAGS=['-s', 'USE_WEBGL2=1'])
diff --git a/platform/javascript/export/export.cpp b/platform/javascript/export/export.cpp
index 1e47d8db95..7a325e81dd 100644
--- a/platform/javascript/export/export.cpp
+++ b/platform/javascript/export/export.cpp
@@ -58,7 +58,7 @@ public:
virtual Ref<Texture> get_logo() const;
virtual bool can_export(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const;
- virtual String get_binary_extension(const Ref<EditorExportPreset> &p_preset) const;
+ virtual List<String> get_binary_extensions(const Ref<EditorExportPreset> &p_preset) const;
virtual Error export_project(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path, int p_flags = 0);
virtual bool poll_devices();
@@ -174,9 +174,11 @@ bool EditorExportPlatformJavaScript::can_export(const Ref<EditorExportPreset> &p
return valid;
}
-String EditorExportPlatformJavaScript::get_binary_extension(const Ref<EditorExportPreset> &p_preset) const {
+List<String> EditorExportPlatformJavaScript::get_binary_extensions(const Ref<EditorExportPreset> &p_preset) const {
- return "html";
+ List<String> list;
+ list.push_back("html");
+ return list;
}
Error EditorExportPlatformJavaScript::export_project(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path, int p_flags) {
diff --git a/platform/javascript/os_javascript.cpp b/platform/javascript/os_javascript.cpp
index 7c7aeac980..9250ca4903 100644
--- a/platform/javascript/os_javascript.cpp
+++ b/platform/javascript/os_javascript.cpp
@@ -862,6 +862,24 @@ void OS_JavaScript::finalize() {
// Miscellaneous
+Error OS_JavaScript::execute(const String &p_path, const List<String> &p_arguments, bool p_blocking, ProcessID *r_child_id, String *r_pipe, int *r_exitcode, bool read_stderr) {
+
+ ERR_EXPLAIN("OS::execute() is not available on the HTML5 platform");
+ ERR_FAIL_V(ERR_UNAVAILABLE);
+}
+
+Error OS_JavaScript::kill(const ProcessID &p_pid) {
+
+ ERR_EXPLAIN("OS::kill() is not available on the HTML5 platform");
+ ERR_FAIL_V(ERR_UNAVAILABLE);
+}
+
+int OS_JavaScript::get_process_id() const {
+
+ ERR_EXPLAIN("OS::get_process_id() is not available on the HTML5 platform");
+ ERR_FAIL_V(0);
+}
+
extern "C" EMSCRIPTEN_KEEPALIVE void send_notification(int p_notification) {
if (p_notification == MainLoop::NOTIFICATION_WM_MOUSE_ENTER || p_notification == MainLoop::NOTIFICATION_WM_MOUSE_EXIT) {
diff --git a/platform/javascript/os_javascript.h b/platform/javascript/os_javascript.h
index 84075898ac..79dac5940f 100644
--- a/platform/javascript/os_javascript.h
+++ b/platform/javascript/os_javascript.h
@@ -133,6 +133,10 @@ public:
void run_async();
bool main_loop_iterate();
+ virtual Error execute(const String &p_path, const List<String> &p_arguments, bool p_blocking, ProcessID *r_child_id = NULL, String *r_pipe = NULL, int *r_exitcode = NULL, bool read_stderr = false);
+ virtual Error kill(const ProcessID &p_pid);
+ virtual int get_process_id() const;
+
virtual void alert(const String &p_alert, const String &p_title = "ALERT!");
virtual void set_window_title(const String &p_title);
virtual void set_icon(const Ref<Image> &p_icon);