Tell av_buffersink_get_buffer_ref() to read video/samples buffer reference, but not remove it from the buffer. This is useful if you need only to read a video/samples buffer, without to fetch it.
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Tell av_buffersink_get_buffer_ref() to read video/samples buffer reference, but not remove it from the buffer. This is useful if you need only to read a video/samples buffer, without to fetch it.