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/*
* 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_INCLUDE_VIDEO_CAPTURE_DEFINES_H_
#define WEBRTC_MODULES_VIDEO_CAPTURE_INCLUDE_VIDEO_CAPTURE_DEFINES_H_
#include "webrtc/modules/interface/module_common_types.h"
#include "webrtc/typedefs.h"
#include "webrtc/video_frame.h"
namespace webrtc
{
// Defines
#ifndef NULL
#define NULL 0
#endif
enum {kVideoCaptureUniqueNameLength =1024}; //Max unique capture device name lenght
enum {kVideoCaptureDeviceNameLength =256}; //Max capture device name lenght
enum {kVideoCaptureProductIdLength =128}; //Max product id length
struct VideoCaptureCapability
{
int32_t width;
int32_t height;
int32_t maxFPS;
int32_t expectedCaptureDelay;
RawVideoType rawType;
VideoCodecType codecType;
bool interlaced;
VideoCaptureCapability()
{
width = 0;
height = 0;
maxFPS = 0;
expectedCaptureDelay = 0;
rawType = kVideoUnknown;
codecType = kVideoCodecUnknown;
interlaced = false;
}
;
bool operator!=(const VideoCaptureCapability &other) const
{
if (width != other.width)
return true;
if (height != other.height)
return true;
if (maxFPS != other.maxFPS)
return true;
if (rawType != other.rawType)
return true;
if (codecType != other.codecType)
return true;
if (interlaced != other.interlaced)
return true;
return false;
}
bool operator==(const VideoCaptureCapability &other) const
{
return !operator!=(other);
}
};
enum VideoCaptureAlarm
{
Raised = 0,
Cleared = 1
};
/* External Capture interface. Returned by Create
and implemented by the capture module.
*/
class VideoCaptureExternal
{
public:
// |capture_time| must be specified in the NTP time format in milliseconds.
virtual int32_t IncomingFrame(uint8_t* videoFrame,
size_t videoFrameLength,
const VideoCaptureCapability& frameInfo,
int64_t captureTime = 0) = 0;
protected:
~VideoCaptureExternal() {}
};
// Callback class to be implemented by module user
class VideoCaptureDataCallback
{
public:
virtual void OnIncomingCapturedFrame(const int32_t id,
const VideoFrame& videoFrame) = 0;
virtual void OnCaptureDelayChanged(const int32_t id,
const int32_t delay) = 0;
protected:
virtual ~VideoCaptureDataCallback(){}
};
class VideoCaptureFeedBack
{
public:
virtual void OnCaptureFrameRate(const int32_t id,
const uint32_t frameRate) = 0;
virtual void OnNoPictureAlarm(const int32_t id,
const VideoCaptureAlarm alarm) = 0;
protected:
virtual ~VideoCaptureFeedBack(){}
};
} // namespace webrtc
#endif // WEBRTC_MODULES_VIDEO_CAPTURE_INCLUDE_VIDEO_CAPTURE_DEFINES_H_
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