From c32cd79d9ad4aba7d959b5b3be7361b4715e6f18 Mon Sep 17 00:00:00 2001
From: James Dong <jdong@google.com>
Date: Mon, 26 Apr 2010 17:48:26 -0700
Subject: Use timestamp from camera driver for CameraSource

Change-Id: I09ddec69997c43b8f17fdd21304c76cb4c5ab8cf
---
 media/libmediaplayerservice/Android.mk             |  1 +
 .../libmediaplayerservice/StagefrightRecorder.cpp  | 38 ++++++++++++++++++++--
 media/libmediaplayerservice/StagefrightRecorder.h  |  9 ++++-
 3 files changed, 45 insertions(+), 3 deletions(-)

(limited to 'media/libmediaplayerservice')

diff --git a/media/libmediaplayerservice/Android.mk b/media/libmediaplayerservice/Android.mk
index cf97b23..3b678cb 100644
--- a/media/libmediaplayerservice/Android.mk
+++ b/media/libmediaplayerservice/Android.mk
@@ -37,6 +37,7 @@ LOCAL_SHARED_LIBRARIES :=     		\
 	libvorbisidec         			\
 	libsonivox            			\
 	libmedia              			\
+	libcamera_client      			\
 	libandroid_runtime    			\
 	libstagefright        			\
 	libstagefright_omx    			\
diff --git a/media/libmediaplayerservice/StagefrightRecorder.cpp b/media/libmediaplayerservice/StagefrightRecorder.cpp
index 531fd11..a63d94b 100644
--- a/media/libmediaplayerservice/StagefrightRecorder.cpp
+++ b/media/libmediaplayerservice/StagefrightRecorder.cpp
@@ -20,6 +20,7 @@
 
 #include "StagefrightRecorder.h"
 
+#include <binder/IPCThreadState.h>
 #include <media/stagefright/AudioSource.h>
 #include <media/stagefright/AMRWriter.h>
 #include <media/stagefright/CameraSource.h>
@@ -30,8 +31,11 @@
 #include <media/stagefright/OMXClient.h>
 #include <media/stagefright/OMXCodec.h>
 #include <camera/ICamera.h>
+#include <camera/Camera.h>
 #include <surfaceflinger/ISurface.h>
 #include <utils/Errors.h>
+#include <sys/types.h>
+#include <unistd.h>
 
 namespace android {
 
@@ -96,7 +100,25 @@ status_t StagefrightRecorder::setVideoFrameRate(int frames_per_second) {
 }
 
 status_t StagefrightRecorder::setCamera(const sp<ICamera> &camera) {
-    mCamera = camera;
+    LOGV("setCamera: pid %d pid %d", IPCThreadState::self()->getCallingPid(), getpid());
+    if (camera == 0) {
+        LOGE("camera is NULL");
+        return UNKNOWN_ERROR;
+    }
+
+    mFlags &= ~ FLAGS_SET_CAMERA | FLAGS_HOT_CAMERA;
+    mCamera = Camera::create(camera);
+    if (mCamera == 0) {
+        LOGE("Unable to connect to camera");
+        return UNKNOWN_ERROR;
+    }
+
+    LOGV("Connected to camera");
+    mFlags |= FLAGS_SET_CAMERA;
+    if (mCamera->previewEnabled()) {
+        LOGV("camera is hot");
+        mFlags |= FLAGS_HOT_CAMERA;
+    }
 
     return OK;
 }
@@ -240,7 +262,7 @@ status_t StagefrightRecorder::startMPEG4Recording() {
         CHECK(mCamera != NULL);
 
         sp<CameraSource> cameraSource =
-            CameraSource::CreateFromICamera(mCamera);
+            CameraSource::CreateFromCamera(mCamera);
 
         CHECK(cameraSource != NULL);
 
@@ -314,6 +336,17 @@ status_t StagefrightRecorder::stop() {
 status_t StagefrightRecorder::close() {
     stop();
 
+    if (mCamera != 0) {
+        if ((mFlags & FLAGS_HOT_CAMERA) == 0) {
+            LOGV("Camera was cold when we started, stopping preview");
+            mCamera->stopPreview();
+        }
+        if (mFlags & FLAGS_SET_CAMERA) {
+            LOGV("Unlocking camera");
+            mCamera->unlock();
+        }
+        mFlags = 0;
+    }
     return OK;
 }
 
@@ -329,6 +362,7 @@ status_t StagefrightRecorder::reset() {
     mVideoHeight = -1;
     mFrameRate = -1;
     mOutputFd = -1;
+    mFlags = 0;
 
     return OK;
 }
diff --git a/media/libmediaplayerservice/StagefrightRecorder.h b/media/libmediaplayerservice/StagefrightRecorder.h
index 7ec412d..2f2f748 100644
--- a/media/libmediaplayerservice/StagefrightRecorder.h
+++ b/media/libmediaplayerservice/StagefrightRecorder.h
@@ -23,6 +23,7 @@
 
 namespace android {
 
+class Camera;
 struct MediaSource;
 struct MediaWriter;
 
@@ -52,7 +53,12 @@ struct StagefrightRecorder : public MediaRecorderBase {
     virtual status_t getMaxAmplitude(int *max);
 
 private:
-    sp<ICamera> mCamera;
+    enum CameraFlags {
+        FLAGS_SET_CAMERA = 1L << 0,
+        FLAGS_HOT_CAMERA = 1L << 1,
+    };
+
+    sp<Camera> mCamera;
     sp<ISurface> mPreviewSurface;
     sp<IMediaPlayerClient> mListener;
     sp<MediaWriter> mWriter;
@@ -66,6 +72,7 @@ private:
     int mFrameRate;
     String8 mParams;
     int mOutputFd;
+    int32_t mFlags;
 
     status_t startMPEG4Recording();
     status_t startAMRRecording();
-- 
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