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emscripten: Be more aggressive when closing audio capture devices.

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Fixes exceptions being thrown on shutdown.
This commit is contained in:
Ryan C. Gordon 2016-08-31 16:10:04 -04:00
parent f5d43cf912
commit 2098bfb3ca
1 changed files with 9 additions and 0 deletions
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9
src/audio/emscripten/SDL_emscriptenaudio.c
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@ -203,7 +203,15 @@ EMSCRIPTENAUDIO_CloseDevice(_THIS)
if (SDL2.capture.silenceTimer !== undefined) { if (SDL2.capture.silenceTimer !== undefined) {
clearTimeout(SDL2.capture.silenceTimer); clearTimeout(SDL2.capture.silenceTimer);
} }
if (SDL2.capture.stream !== undefined) {
var tracks = SDL2.capture.stream.getAudioTracks();
for (var i = 0; i < tracks.length; i++) {
SDL2.capture.stream.removeTrack(tracks[i]);
}
SDL2.capture.stream = undefined;
}
if (SDL2.capture.scriptProcessorNode !== undefined) { if (SDL2.capture.scriptProcessorNode !== undefined) {
SDL2.capture.scriptProcessorNode.onaudioprocess = function(audioProcessingEvent) {};
SDL2.capture.scriptProcessorNode.disconnect(); SDL2.capture.scriptProcessorNode.disconnect();
SDL2.capture.scriptProcessorNode = undefined; SDL2.capture.scriptProcessorNode = undefined;
} }
@ -344,6 +352,7 @@ EMSCRIPTENAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscaptu
}; };
SDL2.capture.mediaStreamNode.connect(SDL2.capture.scriptProcessorNode); SDL2.capture.mediaStreamNode.connect(SDL2.capture.scriptProcessorNode);
SDL2.capture.scriptProcessorNode.connect(SDL2.audioContext.destination); SDL2.capture.scriptProcessorNode.connect(SDL2.audioContext.destination);
SDL2.capture.stream = stream;
}; };
var no_microphone = function(error) { var no_microphone = function(error) {