DivestOS/Patches/LineageOS-16.0/android_frameworks_av/399771.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Rakesh Kumar <rakesh.kumar@ittiam.com>
Date: Thu, 30 May 2024 11:17:48 +0000
Subject: [PATCH] StagefrightRecoder: Disabling B-frame support
Disabling b-frame support from stagefright recorder in case of
audio source as mic and video source is surface use case only
because screen recorder with microphone doesn't play in sync
if b-frame is enabled.
If the audio source selected is INTERNAL (i.e. device) or
MIC_AND_INTERNAL with screen recorder then b frame is supported.
Bug: 288549440
Test: manually check screen recording with audio from mic has audio/video in synch
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:af685c66bab17b71fe1624f76b5d55628f79e6fa)
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:da3407f7688f35eb2dce79f1405feeb182241a3c)
Merged-In: I4098655eb9687fb633085333bc140634441566e6
Change-Id: I4098655eb9687fb633085333bc140634441566e6
---
media/libmediaplayerservice/StagefrightRecorder.cpp | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/media/libmediaplayerservice/StagefrightRecorder.cpp b/media/libmediaplayerservice/StagefrightRecorder.cpp
index dfc4a2a5a9..c81643e534 100644
--- a/media/libmediaplayerservice/StagefrightRecorder.cpp
+++ b/media/libmediaplayerservice/StagefrightRecorder.cpp
@@ -1759,6 +1759,11 @@ status_t StagefrightRecorder::setupVideoEncoder(
if (tsLayers > 1) {
uint32_t bLayers = std::min(2u, tsLayers - 1); // use up-to 2 B-layers
+ // TODO(b/341121900): Remove this once B frames are handled correctly in screen recorder
+ // use case in case of mic only
+ if (mAudioSource == AUDIO_SOURCE_MIC && mVideoSource == VIDEO_SOURCE_SURFACE) {
+ bLayers = 0;
+ }
uint32_t pLayers = tsLayers - bLayers;
format->setString(
"ts-schema", AStringPrintf("android.generic.%u+%u", pLayers, bLayers));