From b9fb5f42bc4a40f3be5a7a9b2c57bf6b604aea7e Mon Sep 17 00:00:00 2001
From: Mingming Yin <mingming@codeaurora.org>
Date: Wed, 19 Aug 2015 20:32:33 -0700
Subject: audio: add encoding support for linear PCM format

- add encoding support for linear PCM format.

Change-Id: Iecf402064d67d35d5057b814c842d79af92756d0
---
 media/libmediaplayerservice/StagefrightRecorder.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'media/libmediaplayerservice/StagefrightRecorder.cpp')

diff --git a/media/libmediaplayerservice/StagefrightRecorder.cpp b/media/libmediaplayerservice/StagefrightRecorder.cpp
index 817ae4d..49804c5 100644
--- a/media/libmediaplayerservice/StagefrightRecorder.cpp
+++ b/media/libmediaplayerservice/StagefrightRecorder.cpp
@@ -991,6 +991,13 @@ sp<MediaSource> StagefrightRecorder::createAudioSource() {
 
     sp<MediaSource> audioEncoder =
             MediaCodecSource::Create(mLooper, format, audioSource);
+    // If encoder could not be created (as in LPCM), then
+    // use the AudioSource directly as the MediaSource.
+    if (audioEncoder == NULL &&
+        mAudioEncoder == AUDIO_ENCODER_LPCM) {
+        ALOGD("No encoder is needed for linear PCM format");
+        audioEncoder = audioSource;
+    }
     mAudioSourceNode = audioSource;
 
     if (audioEncoder == NULL) {
-- 
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