def init(freq, stereo, samples, status=False, equal_mono=False):
"""
Initializes the audio system with the given parameters. The parameter are
just informational - the audio system should be able to play all supported
files.
`freq`
The sample frequency to play back at.
`stereo`
Should we play in stereo (generally true).
`samples`
The length of the sample buffer.
`status`
If true, the sound system will print errors out to the console.
`
"""
renpy.config.debug_sound = True
js = renpy.loader.load("_audio.js").read()
emscripten.run_script(js)
return True
def call(function, *args):
"""
Calls a method on `function`.
"""
emscripten.run_script("renpyAudio.{}.apply(null, {});".format(
function, dumps(args)))
def load_script():
"""
Loads the javascript required for webaudio to work.
"""
global loaded
if not loaded:
js = renpy.loader.load("_audio.js").read()
emscripten.run_script(js)
loaded = True
def end():
"""
Called just before we initialize the display to hide the presplash.
"""
global window
if renpy.emscripten:
# presplash handled on the JavaScript side, because emscripten
# currently does not support destroying/recreating GL contexts
import emscripten
emscripten.run_script(r"""presplashEnd();""")
if window is None:
return
window.destroy()
window = None
def end():
"""
Called just before we initialize the display to hide the presplash.
"""
global window
if renpy.emscripten:
# presplash handled on the JavaScript side, because emscripten
# currently does not support destroying/recreating GL contexts;
# in addition browsers support animated webp
import emscripten
emscripten.run_script(r"""presplashEnd();""")
if window is None:
return
window.destroy()
window = None
# Remove references to presplash images
global progress_bar
progress_bar = None
def end():
"""
Called just before we initialize the display to hide the presplash.
"""
global keep_running
global event_thread
global window
if renpy.emscripten:
# presplash handled on the JavaScript side, because emscripten
# currently does not support destroying/recreating GL contexts
import emscripten
emscripten.run_script(r"""presplashEnd();""")
if window is None:
return
keep_running = False
event_thread.join()
window.destroy()
window = None
def __del__(self):
emscripten.run_script(r'''RenPyWeb.dl_free({});'''.format(self.id))
emscripten.run_script(r"""RenPyWeb = {
xhr_id: 0,
xhrs: {},
dl_new: function(path) {
var xhr = new XMLHttpRequest();
xhr.responseType = 'arraybuffer';
xhr.onerror = function() {
console.log("Network error", xhr);
};
xhr.onload = function() {
if (xhr.status == 200 || xhr.status == 304 || xhr.status == 206 || (xhr.status == 0 && xhr.response)) {
// Create file reusing XHR's buffer (no-copy)
try { FS.unlink(path); } catch(error) {}
FS.writeFile(path, new Uint8Array(xhr.response), {canOwn:true});
} else {
console.log("Download error", xhr);
}
};
xhr.open('GET', path);
xhr.send();
RenPyWeb.xhrs[RenPyWeb.xhr_id] = xhr;
var ret = RenPyWeb.xhr_id;
RenPyWeb.xhr_id++;
return ret;
},
dl_get: function(xhr_id) {
return RenPyWeb.xhrs[xhr_id];
},
dl_free: function(xhr_id) {
delete RenPyWeb.xhrs[xhr_id];
// Note: xhr.response kept alive until file is unlinked
},
};
""")
