From 54ef1bae010f12dfe6a40ff4452695b1b11ff449 Mon Sep 17 00:00:00 2001
From: Chong Zhang <chz@google.com>
Date: Mon, 8 Sep 2014 18:55:34 -0700
Subject: StagefrightRecorder: default to codec and fps from camcorder low
 profile

Bug: 16870964
Change-Id: I18425af630d3f041a3bcf77fbae3f07856fe8af2
---
 .../libmediaplayerservice/StagefrightRecorder.cpp  | 38 ++++++++++++++++++----
 1 file changed, 32 insertions(+), 6 deletions(-)

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

diff --git a/media/libmediaplayerservice/StagefrightRecorder.cpp b/media/libmediaplayerservice/StagefrightRecorder.cpp
index e2bcb1e..b904aa8 100644
--- a/media/libmediaplayerservice/StagefrightRecorder.cpp
+++ b/media/libmediaplayerservice/StagefrightRecorder.cpp
@@ -183,11 +183,7 @@ status_t StagefrightRecorder::setVideoEncoder(video_encoder ve) {
         return BAD_VALUE;
     }
 
-    if (ve == VIDEO_ENCODER_DEFAULT) {
-        mVideoEncoder = VIDEO_ENCODER_H263;
-    } else {
-        mVideoEncoder = ve;
-    }
+    mVideoEncoder = ve;
 
     return OK;
 }
@@ -1033,6 +1029,7 @@ status_t StagefrightRecorder::setupRTPRecording() {
     if (mAudioSource != AUDIO_SOURCE_CNT) {
         source = createAudioSource();
     } else {
+        setDefaultVideoEncoderIfNecessary();
 
         sp<MediaSource> mediaSource;
         status_t err = setupMediaSource(&mediaSource);
@@ -1074,6 +1071,7 @@ status_t StagefrightRecorder::setupMPEG2TSRecording() {
 
     if (mVideoSource < VIDEO_SOURCE_LIST_END) {
         if (mVideoEncoder != VIDEO_ENCODER_H264) {
+            ALOGE("MPEG2TS recording only supports H.264 encoding!");
             return ERROR_UNSUPPORTED;
         }
 
@@ -1108,6 +1106,12 @@ status_t StagefrightRecorder::setupMPEG2TSRecording() {
 
 void StagefrightRecorder::clipVideoFrameRate() {
     ALOGV("clipVideoFrameRate: encoder %d", mVideoEncoder);
+    if (mFrameRate == -1) {
+        mFrameRate = mEncoderProfiles->getCamcorderProfileParamByName(
+                "vid.fps", mCameraId, CAMCORDER_QUALITY_LOW);
+        ALOGW("Using default video fps %d", mFrameRate);
+    }
+
     int minFrameRate = mEncoderProfiles->getVideoEncoderParamByName(
                         "enc.vid.fps.min", mVideoEncoder);
     int maxFrameRate = mEncoderProfiles->getVideoEncoderParamByName(
@@ -1243,6 +1247,27 @@ void StagefrightRecorder::setDefaultProfileIfNecessary() {
     }
 }
 
+void StagefrightRecorder::setDefaultVideoEncoderIfNecessary() {
+    if (mVideoEncoder == VIDEO_ENCODER_DEFAULT) {
+        if (mOutputFormat == OUTPUT_FORMAT_WEBM) {
+            // default to VP8 for WEBM recording
+            mVideoEncoder = VIDEO_ENCODER_VP8;
+        } else {
+            // pick the default encoder for CAMCORDER_QUALITY_LOW
+            int videoCodec = mEncoderProfiles->getCamcorderProfileParamByName(
+                    "vid.codec", mCameraId, CAMCORDER_QUALITY_LOW);
+
+            if (videoCodec > VIDEO_ENCODER_DEFAULT &&
+                videoCodec < VIDEO_ENCODER_LIST_END) {
+                mVideoEncoder = (video_encoder)videoCodec;
+            } else {
+                // default to H.264 if camcorder profile not available
+                mVideoEncoder = VIDEO_ENCODER_H264;
+            }
+        }
+    }
+}
+
 status_t StagefrightRecorder::checkAudioEncoderCapabilities() {
     clipAudioBitRate();
     clipAudioSampleRate();
@@ -1562,6 +1587,7 @@ status_t StagefrightRecorder::setupMPEG4orWEBMRecording() {
     }
 
     if (mVideoSource < VIDEO_SOURCE_LIST_END) {
+        setDefaultVideoEncoderIfNecessary();
 
         sp<MediaSource> mediaSource;
         err = setupMediaSource(&mediaSource);
@@ -1721,7 +1747,7 @@ status_t StagefrightRecorder::reset() {
     // Default parameters
     mOutputFormat  = OUTPUT_FORMAT_THREE_GPP;
     mAudioEncoder  = AUDIO_ENCODER_AMR_NB;
-    mVideoEncoder  = VIDEO_ENCODER_H263;
+    mVideoEncoder  = VIDEO_ENCODER_DEFAULT;
     mVideoWidth    = 176;
     mVideoHeight   = 144;
     mFrameRate     = -1;
-- 
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