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emscriptenaudio: Fire the capture silence_callback at an interval.

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Previously it was using setTimeout, not setInterval, so it would only fire
once, which was obviously a mistake.

(cherry picked from commit fb79211732d0cdf17a250a43c619b6938842cfaf)
This commit is contained in:
Ryan C. Gordon 2023-08-23 16:12:30 -04:00
parent ddbbef88e3
commit 04ff593bf5
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GPG key ID: FA148B892AB48044
1 changed files with 3 additions and 3 deletions
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6
src/audio/emscripten/SDL_emscriptenaudio.c
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@ -156,7 +156,7 @@ static void EMSCRIPTENAUDIO_CloseDevice(_THIS)
var SDL2 = Module['SDL2'];
if ($0) {
if (SDL2.capture.silenceTimer !== undefined) {
clearTimeout(SDL2.capture.silenceTimer);
clearInterval(SDL2.capture.silenceTimer);
}
if (SDL2.capture.stream !== undefined) {
var tracks = SDL2.capture.stream.getAudioTracks();
@ -294,7 +294,7 @@ static int EMSCRIPTENAUDIO_OpenDevice(_THIS, const char *devname)
var have_microphone = function(stream) {
//console.log('SDL audio capture: we have a microphone! Replacing silence callback.');
if (SDL2.capture.silenceTimer !== undefined) {
clearTimeout(SDL2.capture.silenceTimer);
clearInterval(SDL2.capture.silenceTimer);
SDL2.capture.silenceTimer = undefined;
SDL2.capture.silenceBuffer = undefined
}
@ -323,7 +323,7 @@ static int EMSCRIPTENAUDIO_OpenDevice(_THIS, const char *devname)
dynCall('vi', $2, [$3]);
};
SDL2.capture.silenceTimer = setTimeout(silence_callback, ($1 / SDL2.audioContext.sampleRate) * 1000);
SDL2.capture.silenceTimer = setInterval(silence_callback, ($1 / SDL2.audioContext.sampleRate) * 1000);
if ((navigator.mediaDevices !== undefined) && (navigator.mediaDevices.getUserMedia !== undefined)) {
navigator.mediaDevices.getUserMedia({ audio: true, video: false }).then(have_microphone).catch(no_microphone);