commit f0ab6a0169c6617ea5054b801f331aebe9b93bd2
author Xavier Lepaul <xalep@google.com> Thu Jun 11 14:03:56 2020 +0200
committer Commit Bot <commit-bot@chromium.org> Thu Jun 11 13:57:51 2020 +0000
tree a1c1ec920a21296f261687bdee039a3897572bf7
parent ac937d03b0de60f38fd4b6fad4b5c175a111303e

Add a way to force a frame to be sent from SurfaceTextureHelper

This allows forcing a minimum frame rate if the producer doesn’t update
the SurfaceTexture often.

This needs to be done in SurfaceTextureHelper to keep the
synchronization of the texture access consistent.

Bug: b/149383039
Change-Id: I0e3c82dd51d486b931bd8dda0fd9d5cdb1a90901
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/177001
Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
Commit-Queue: Xavier Lepaul <xalep@google.com>
Cr-Commit-Position: refs/heads/master@{#31504}

sdk/android/api/org/webrtc/SurfaceTextureHelper.java

diff --git a/sdk/android/api/org/webrtc/SurfaceTextureHelper.java b/sdk/android/api/org/webrtc/SurfaceTextureHelper.java
index 3522a87..b7b028f 100644
--- a/sdk/android/api/org/webrtc/SurfaceTextureHelper.java
+++ b/sdk/android/api/org/webrtc/SurfaceTextureHelper.java
@@ -263,6 +263,17 @@
     });
   }
 
+  /**
+   * Forces a frame to be produced. If no new frame is available, the last frame is sent to the
+   * listener again.
+   */
+  public void forceFrame() {
+    handler.post(() -> {
+      hasPendingTexture = true;
+      tryDeliverTextureFrame();
+    });
+  }
+
   /** Set the rotation of the delivered frames. */
   public void setFrameRotation(int rotation) {
     handler.post(() -> this.frameRotation = rotation);