2024-08-17 12:35:02 +00:00
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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2024-08-16 23:39:52 +00:00
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From: Rakesh Kumar <rakesh.kumar@ittiam.com>
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Date: Thu, 30 May 2024 11:17:48 +0000
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Subject: [PATCH] StagefrightRecoder: Disabling B-frame support
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Disabling b-frame support from stagefright recorder in case of
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audio source as mic and video source is surface use case only
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because screen recorder with microphone doesn't play in sync
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if b-frame is enabled.
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If the audio source selected is INTERNAL (i.e. device) or
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MIC_AND_INTERNAL with screen recorder then b frame is supported.
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Bug: 288549440
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Test: manually check screen recording with audio from mic has audio/video in synch
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(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:af685c66bab17b71fe1624f76b5d55628f79e6fa)
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(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:da3407f7688f35eb2dce79f1405feeb182241a3c)
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Merged-In: I4098655eb9687fb633085333bc140634441566e6
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Change-Id: I4098655eb9687fb633085333bc140634441566e6
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---
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media/libmediaplayerservice/StagefrightRecorder.cpp | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/media/libmediaplayerservice/StagefrightRecorder.cpp b/media/libmediaplayerservice/StagefrightRecorder.cpp
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2024-08-17 12:35:02 +00:00
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index a7344de402..c66def491b 100644
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2024-08-16 23:39:52 +00:00
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--- a/media/libmediaplayerservice/StagefrightRecorder.cpp
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+++ b/media/libmediaplayerservice/StagefrightRecorder.cpp
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@@ -1843,6 +1843,11 @@ status_t StagefrightRecorder::setupVideoEncoder(
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if (tsLayers > 1) {
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uint32_t bLayers = std::min(2u, tsLayers - 1); // use up-to 2 B-layers
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+ // TODO(b/341121900): Remove this once B frames are handled correctly in screen recorder
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+ // use case in case of mic only
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+ if (mAudioSource == AUDIO_SOURCE_MIC && mVideoSource == VIDEO_SOURCE_SURFACE) {
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+ bLayers = 0;
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+ }
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uint32_t pLayers = tsLayers - bLayers;
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format->setString(
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"ts-schema", AStringPrintf("android.generic.%u+%u", pLayers, bLayers));
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