From 9c7f845780d62ea09469a8dac7117cc01adfea5c Mon Sep 17 00:00:00 2001
From: Lajos Molnar <lajos@google.com>
Date: Wed, 30 Oct 2013 10:02:12 -0700
Subject: StageFrightRecorder: do not use meta-data mode for software encoders

Camera HAL v1 uses vendor-specific camera-source meta-data mode, but
software encoders use generic gralloc-source mode, so they are not
compatible.

Change-Id: I0d1bab8eada26dcb70c97b1eec83f06d1f331239
Signed-off-by: Lajos Molnar <lajos@google.com>
Bug: 11446505
---
 .../libmediaplayerservice/StagefrightRecorder.cpp  | 31 +++++++++++++++++-----
 media/libmediaplayerservice/StagefrightRecorder.h  |  3 ++-
 2 files changed, 27 insertions(+), 7 deletions(-)

(limited to 'media/libmediaplayerservice')

diff --git a/media/libmediaplayerservice/StagefrightRecorder.cpp b/media/libmediaplayerservice/StagefrightRecorder.cpp
index 095d5ca..f9d9020 100644
--- a/media/libmediaplayerservice/StagefrightRecorder.cpp
+++ b/media/libmediaplayerservice/StagefrightRecorder.cpp
@@ -70,8 +70,9 @@ StagefrightRecorder::StagefrightRecorder()
       mOutputFd(-1),
       mAudioSource(AUDIO_SOURCE_CNT),
       mVideoSource(VIDEO_SOURCE_LIST_END),
-      mStarted(false), mSurfaceMediaSource(NULL),
-      mCaptureTimeLapse(false) {
+      mCaptureTimeLapse(false),
+      mStarted(false),
+      mSurfaceMediaSource(NULL) {
 
     ALOGV("Constructor");
     reset();
@@ -1089,7 +1090,22 @@ void StagefrightRecorder::clipVideoFrameWidth() {
     }
 }
 
-status_t StagefrightRecorder::checkVideoEncoderCapabilities() {
+status_t StagefrightRecorder::checkVideoEncoderCapabilities(
+        bool *supportsCameraSourceMetaDataMode) {
+    /* hardware codecs must support camera source meta data mode */
+    Vector<CodecCapabilities> codecs;
+    OMXClient client;
+    CHECK_EQ(client.connect(), (status_t)OK);
+    QueryCodecs(
+            client.interface(),
+            (mVideoEncoder == VIDEO_ENCODER_H263 ? MEDIA_MIMETYPE_VIDEO_H263 :
+             mVideoEncoder == VIDEO_ENCODER_MPEG_4_SP ? MEDIA_MIMETYPE_VIDEO_MPEG4 :
+             mVideoEncoder == VIDEO_ENCODER_H264 ? MEDIA_MIMETYPE_VIDEO_AVC : ""),
+            false /* decoder */, true /* hwCodec */, &codecs);
+    *supportsCameraSourceMetaDataMode = codecs.size() > 0;
+    ALOGV("encoder %s camera source meta-data mode",
+            *supportsCameraSourceMetaDataMode ? "supports" : "DOES NOT SUPPORT");
+
     if (!mCaptureTimeLapse) {
         // Dont clip for time lapse capture as encoder will have enough
         // time to encode because of slow capture rate of time lapse.
@@ -1307,7 +1323,9 @@ status_t StagefrightRecorder::setupSurfaceMediaSource() {
 status_t StagefrightRecorder::setupCameraSource(
         sp<CameraSource> *cameraSource) {
     status_t err = OK;
-    if ((err = checkVideoEncoderCapabilities()) != OK) {
+    bool encoderSupportsCameraSourceMetaDataMode;
+    if ((err = checkVideoEncoderCapabilities(
+                &encoderSupportsCameraSourceMetaDataMode)) != OK) {
         return err;
     }
     Size videoSize;
@@ -1323,13 +1341,14 @@ status_t StagefrightRecorder::setupCameraSource(
         mCameraSourceTimeLapse = CameraSourceTimeLapse::CreateFromCamera(
                 mCamera, mCameraProxy, mCameraId, mClientName, mClientUid,
                 videoSize, mFrameRate, mPreviewSurface,
-                mTimeBetweenTimeLapseFrameCaptureUs);
+                mTimeBetweenTimeLapseFrameCaptureUs,
+                encoderSupportsCameraSourceMetaDataMode);
         *cameraSource = mCameraSourceTimeLapse;
     } else {
         *cameraSource = CameraSource::CreateFromCamera(
                 mCamera, mCameraProxy, mCameraId, mClientName, mClientUid,
                 videoSize, mFrameRate,
-                mPreviewSurface, true /*storeMetaDataInVideoBuffers*/);
+                mPreviewSurface, encoderSupportsCameraSourceMetaDataMode);
     }
     mCamera.clear();
     mCameraProxy.clear();
diff --git a/media/libmediaplayerservice/StagefrightRecorder.h b/media/libmediaplayerservice/StagefrightRecorder.h
index c864207..31f09e0 100644
--- a/media/libmediaplayerservice/StagefrightRecorder.h
+++ b/media/libmediaplayerservice/StagefrightRecorder.h
@@ -139,7 +139,8 @@ private:
     status_t startRTPRecording();
     status_t startMPEG2TSRecording();
     sp<MediaSource> createAudioSource();
-    status_t checkVideoEncoderCapabilities();
+    status_t checkVideoEncoderCapabilities(
+            bool *supportsCameraSourceMetaDataMode);
     status_t checkAudioEncoderCapabilities();
     // Generic MediaSource set-up. Returns the appropriate
     // source (CameraSource or SurfaceMediaSource)
-- 
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