Check if all memory blocks in @buffer are writable.
Note that this function does not check if @buffer is writable, use gst_buffer_is_writable() to check that if needed.
Return: %TRUE if all memory blocks in @buffer are writable
1.4
See Implementation
Check if all memory blocks in @buffer are writable.
Note that this function does not check if @buffer is writable, use gst_buffer_is_writable() to check that if needed.
Return: %TRUE if all memory blocks in @buffer are writable