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GUACAMOLE-896: Leverage Blobs for storage of recording keyframes.

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This commit is contained in:
Michael Jumper
2022-02-14 09:21:22 -08:00
parent e2af997967
commit d0257122bb
1 changed files with 10 additions and 6 deletions
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16
guacamole-common-js/src/main/webapp/modules/SessionRecording.js
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@@ -548,7 +548,7 @@ Guacamole.SessionRecording = function SessionRecording(source) {
// Store client state if frame is flagged as a keyframe
if (frame.keyframe && !frame.clientState) {
playbackClient.exportState(function storeClientState(state) {
frame.clientState = state;
frame.clientState = new Blob([JSON.stringify(state)]);
});
}
@@ -606,8 +606,10 @@ Guacamole.SessionRecording = function SessionRecording(source) {
// If frame has associated absolute state, make that frame the
// current state
if (frame.clientState) {
playbackClient.importState(frame.clientState);
currentFrame = index;
frame.clientState.text().then(function textReady(text) {
playbackClient.importState(JSON.parse(text));
currentFrame = index;
});
break;
}
@@ -1058,10 +1060,12 @@ Guacamole.SessionRecording._Frame = function _Frame(timestamp, start, end) {
/**
* A snapshot of client state after this frame was rendered, as returned by
* a call to exportState(). If no such snapshot has been taken, this will
* be null.
* a call to exportState(), serialized as JSON, and stored within a Blob.
* Use of Blobs here is required to ensure the browser can make use of
* larger disk-backed storage if the size of the recording is large. If no
* such snapshot has been taken, this will be null.
*
* @type {object}
* @type {Blob}
* @default null
*/
this.clientState = null;