Bug 1843113 - Vendor libwebrtc from 6cf12bbe32

Upstream commit: https://webrtc.googlesource.com/src/+/6cf12bbe327f70652f00c6ac1b0af34085a82719
    Fetch encoded QP before releasing output buffer

    Before this change we first released output frame buffer in the code path which prepends config buffer to a keyframe and then called getOutputFormat(index). getOutputFormat(index) throws an exception if index points to a released buffer. This change rearranges calls such that getOutputFormat(index) always executed before releaseOutputBuffer(index).

    Bug: webrtc:15015
    Change-Id: Ia64f5d8e7483aeeb316d1a71c0cb79233f4bbee9
    Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/301364
    Commit-Queue: Sergey Silkin <ssilkin@webrtc.org>
    Reviewed-by: Philip Eliasson <philipel@webrtc.org>
    Cr-Commit-Position: refs/heads/main@{#39874}

third_party/libwebrtc/README.moz-ff-commit

@@ -23262,3 +23262,6 @@ b812b7a86b
 # MOZ_LIBWEBRTC_SRC=/home/mfroman/mozilla/elm/.moz-fast-forward/moz-libwebrtc MOZ_LIBWEBRTC_BRANCH=mozpatches bash dom/media/webrtc/third_party_build/fast-forward-libwebrtc.sh
 # base of lastest vendoring
 ea1502accb
+# MOZ_LIBWEBRTC_SRC=/home/mfroman/mozilla/elm/.moz-fast-forward/moz-libwebrtc MOZ_LIBWEBRTC_BRANCH=mozpatches bash dom/media/webrtc/third_party_build/fast-forward-libwebrtc.sh
+# base of lastest vendoring
+6cf12bbe32

third_party/libwebrtc/README.mozilla

@@ -15530,3 +15530,5 @@ libwebrtc updated from /home/mfroman/mozilla/elm/.moz-fast-forward/moz-libwebrtc
 libwebrtc updated from /home/mfroman/mozilla/elm/.moz-fast-forward/moz-libwebrtc commit mozpatches on 2023-07-14T15:07:58.988047.
 # ./mach python dom/media/webrtc/third_party_build/vendor-libwebrtc.py --from-local /home/mfroman/mozilla/elm/.moz-fast-forward/moz-libwebrtc --commit mozpatches libwebrtc
 libwebrtc updated from /home/mfroman/mozilla/elm/.moz-fast-forward/moz-libwebrtc commit mozpatches on 2023-07-14T15:09:58.627613.
+# ./mach python dom/media/webrtc/third_party_build/vendor-libwebrtc.py --from-local /home/mfroman/mozilla/elm/.moz-fast-forward/moz-libwebrtc --commit mozpatches libwebrtc
+libwebrtc updated from /home/mfroman/mozilla/elm/.moz-fast-forward/moz-libwebrtc commit mozpatches on 2023-07-14T15:11:32.743241.

third_party/libwebrtc/sdk/android/src/java/org/webrtc/HardwareVideoEncoder.java

@@ -606,6 +606,15 @@ class HardwareVideoEncoder implements VideoEncoder {
         Logging.d(TAG, "Sync frame generated");
       }
 
+      // Extract QP before releasing output buffer.
+      Integer qp = null;
+      if (isEncodingStatisticsEnabled) {
+        MediaFormat format = codec.getOutputFormat(index);
+        if (format != null && format.containsKey(MediaFormat.KEY_VIDEO_QP_AVERAGE)) {
+          qp = format.getInteger(MediaFormat.KEY_VIDEO_QP_AVERAGE);
+        }
+      }
+
       final ByteBuffer frameBuffer;
       final Runnable releaseCallback;
       if (isKeyFrame && configBuffer != null) {
@@ -639,15 +648,9 @@ class HardwareVideoEncoder implements VideoEncoder {
                                                           : EncodedImage.FrameType.VideoFrameDelta;
 
       EncodedImage.Builder builder = outputBuilders.poll();
-      builder.setBuffer(frameBuffer, releaseCallback).setFrameType(frameType);
-
-      if (isEncodingStatisticsEnabled) {
-        MediaFormat format = codec.getOutputFormat(index);
-        if (format != null && format.containsKey(MediaFormat.KEY_VIDEO_QP_AVERAGE)) {
-          int qp = format.getInteger(MediaFormat.KEY_VIDEO_QP_AVERAGE);
-          builder.setQp(qp);
-        }
-      }
+      builder.setBuffer(frameBuffer, releaseCallback);
+      builder.setFrameType(frameType);
+      builder.setQp(qp);
 
       EncodedImage encodedImage = builder.createEncodedImage();
       // TODO(mellem):  Set codec-specific info.