Constant rsmpeg::ffi::AVDevToAppMessageType_AV_DEV_TO_APP_BUFFER_WRITABLE

pub const AVDevToAppMessageType_AV_DEV_TO_APP_BUFFER_WRITABLE: u32 = 1113018912; // 0x4257_5220u32

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.