FrameSnapSink::allocAndQueueBufferCache Method |
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| This function is used to pre-allocate a number of buffers so that subsequent calls to snapSingle or snapSequence do not have to allocate memory. | ||||||||||||||
| Syntax: | Error allocAndQueueBufferCache( size_t count ); |
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| Return Value: | An error value indicating whether the operation succeeded. |
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| Remarks: | This function can only be called if the sink is connected by a successful call to Grabber::prepareLive or Grabber::startLive. Otherwise, the buffer format might still be unknown. |
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| See also: | FrameSnapSink | |||||||||||||