The IVideoDeviceCollection class. You can get information related to video devices through this interface.
◆ ~IVideoDeviceCollection()
virtual agora::rtc::IVideoDeviceCollection::~IVideoDeviceCollection |
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inlinevirtual |
◆ getCount()
virtual int agora::rtc::IVideoDeviceCollection::getCount |
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pure virtual |
Gets the total number of the indexed video capture devices in the system.
- Returns
- The total number of the indexed video capture devices.
◆ setDevice()
virtual int agora::rtc::IVideoDeviceCollection::setDevice |
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const char |
deviceIdUTF8[MAX_DEVICE_ID_LENGTH] | ) |
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pure virtual |
Specifies a device with the device ID.
- Parameters
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deviceIdUTF8 | The device ID. The maximum length is #MAX_DEVICE_ID_LENGTH_TYPE. Plugging or unplugging the audio device does not change the value of deviceId. |
- Returns
- 0: Success.
- < 0: Failure.
◆ getDevice()
virtual int agora::rtc::IVideoDeviceCollection::getDevice |
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int |
index, |
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char |
deviceNameUTF8[MAX_DEVICE_ID_LENGTH], |
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char |
deviceIdUTF8[MAX_DEVICE_ID_LENGTH] |
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pure virtual |
Gets a specified piece of information about an indexed video device.
- Parameters
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index | The index value of the video device. The value of this parameter must be less than the value returned in getCount . |
deviceNameUTF8 | The name of the device. The maximum length is #MAX_DEVICE_ID_LENGTH. |
deviceIdUTF8 | The device ID of the video device. The maximum length is #MAX_DEVICE_ID_LENGTH. |
- Returns
- 0: Success.
- < 0: Failure.
◆ release()
virtual void agora::rtc::IVideoDeviceCollection::release |
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pure virtual |