Add function to resize the browser source from javascript

obsproject · Apr 5, 2024 · d3180fd · d3180fd
1 parent b4f724a
commit d3180fd
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Showing 3 changed files with 39 additions and 7 deletions.
diff --git a/README.md b/README.md
@@ -315,6 +315,15 @@ Permissions required: ALL
 window.obsstudio.stopVirtualcam()
 ```
 
+#### Set the browser size
+Permissions required: BASIC
+```js
+/**
+ * @param {int} width - Width of the browser size
+ * @param {int} height - Height of the browser size
+ */
+window.obsstudio.setBrowserSize(width, height)
+```
 
 ### Register for visibility callbacks
 

diff --git a/browser-app.cpp b/browser-app.cpp
@@ -100,13 +100,13 @@ void BrowserApp::OnBeforeCommandLineProcessing(
 }
 
 std::vector<std::string> exposedFunctions = {
- "getControlLevel", "getCurrentScene", "getStatus",
- "startRecording", "stopRecording", "startStreaming",
- "stopStreaming", "pauseRecording", "unpauseRecording",
- "startReplayBuffer", "stopReplayBuffer", "saveReplayBuffer",
- "startVirtualcam", "stopVirtualcam", "getScenes",
- "setCurrentScene", "getTransitions", "getCurrentTransition",
- "setCurrentTransition"};
+ "getControlLevel",  "getCurrentScene", "getStatus",
+ "startRecording",  "stopRecording", "startStreaming",
+ "stopStreaming",  "pauseRecording", "unpauseRecording",
+ "startReplayBuffer",  "stopReplayBuffer", "saveReplayBuffer",
+ "startVirtualcam",  "stopVirtualcam", "getScenes",
+ "setCurrentScene",  "getTransitions", "getCurrentTransition",
+ "setCurrentTransition", "setBrowserSize"};
 
 void BrowserApp::OnContextCreated(CefRefPtr<CefBrowser> browser,
  CefRefPtr<CefFrame>,

diff --git a/browser-client.cpp b/browser-client.cpp
@@ -198,6 +198,29 @@ bool BrowserClient::OnProcessMessageReceived(
  case ControlLevel::Basic:
  if (name == "saveReplayBuffer") {
  obs_frontend_replay_buffer_save();
+ } else if (name == "setBrowserSize") {
+ int width = input_args->GetInt(1);
+ int height = input_args->GetInt(2);
+ if (!width)
+ width = (int)round(input_args->GetDouble(1));
+ if (!height)
+ height = (int)round(input_args->GetDouble(2));
+ if (width > 0 && height > 0) {
+ OBSDataAutoRelease s =
+ obs_source_get_settings(bs->source);
+ if (s &&
+ (obs_data_get_int(s, "width") != width ||
+ obs_data_get_int(s, "height") != height)) {
+ obs_data_set_int(s, "width", width);
+ obs_data_set_int(s, "height", height);
+ obs_source_update(bs->source, s);
+ }
+ } else {
+ blog(LOG_WARNING,
+ "Browser source '%s' tried to change its size to %ix%i",
+ obs_source_get_name(bs->source), width,
+ height);
+ }
  }
  [[fallthrough]];
  case ControlLevel::ReadUser: