braveyao@webrtc.org 7cb4752184 WebRTCDemo: couldn't run a second time. The reason is voe could register/unregister for each run, but vie would expect initialization only once per process.
This cl is to teach videocapture android how to deinitialize and allow it to be re-initializable.

BUG=3284
TEST=ManualTest
R=fischman@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/15429004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6167 4adac7df-926f-26a2-2b94-8c16560cd09d
2014-05-15 03:18:15 +00:00

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C++

/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_ANDROID_DEVICE_INFO_ANDROID_H_
#define WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_ANDROID_DEVICE_INFO_ANDROID_H_
#include <jni.h>
#include "webrtc/modules/video_capture/device_info_impl.h"
#include "webrtc/modules/video_capture/video_capture_impl.h"
namespace webrtc
{
namespace videocapturemodule
{
class DeviceInfoAndroid : public DeviceInfoImpl {
public:
static void Initialize(JNIEnv* env);
static void DeInitialize();
DeviceInfoAndroid(int32_t id);
virtual ~DeviceInfoAndroid();
// Set |*index| to the index of the camera matching |deviceUniqueIdUTF8|, or
// return false if no match.
bool FindCameraIndex(const char* deviceUniqueIdUTF8, size_t* index);
virtual int32_t Init();
virtual uint32_t NumberOfDevices();
virtual int32_t GetDeviceName(
uint32_t deviceNumber,
char* deviceNameUTF8,
uint32_t deviceNameLength,
char* deviceUniqueIdUTF8,
uint32_t deviceUniqueIdUTF8Length,
char* productUniqueIdUTF8 = 0,
uint32_t productUniqueIdUTF8Length = 0);
virtual int32_t CreateCapabilityMap(const char* deviceUniqueIdUTF8);
virtual int32_t DisplayCaptureSettingsDialogBox(
const char* /*deviceUniqueIdUTF8*/,
const char* /*dialogTitleUTF8*/,
void* /*parentWindow*/,
uint32_t /*positionX*/,
uint32_t /*positionY*/) { return -1; }
virtual int32_t GetOrientation(const char* deviceUniqueIdUTF8,
VideoCaptureRotation& orientation);
// Populate |min_mfps| and |max_mfps| with the closest supported range of the
// device to |max_fps_to_match|.
void GetMFpsRange(const char* deviceUniqueIdUTF8,
int max_fps_to_match,
int* min_mfps,
int* max_mfps);
private:
enum { kExpectedCaptureDelay = 190};
};
} // namespace videocapturemodule
} // namespace webrtc
#endif // WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_ANDROID_DEVICE_INFO_ANDROID_H_