Constant AV_DEV_TO_APP_BUFFER_READABLE

pub const AV_DEV_TO_APP_BUFFER_READABLE: u32 = 1112687648; // 1_112_687_648u32

Buffer readable/writable.

Device informs that buffer is readable/writable. When possible, device informs how many bytes can be read/write.

@warning Device may not inform when number of bytes than can be read/write changes.

data: int64_t: amount of bytes available to read/write. NULL: amount of bytes available to read/write is not known.