Initialize msg so that its contents are as if it was freshly allocated
with gst_sdp_message_new(). This function is mostly used to initialize a message
allocated on the stack. gst_sdp_message_uninit() undoes this operation.
When this function is invoked on newly allocated data (with malloc or on the
stack), its contents should be set to 0 before calling this function.
Initialize
msgso that its contents are as if it was freshly allocated withgst_sdp_message_new(). This function is mostly used to initialize a message allocated on the stack.gst_sdp_message_uninit()undoes this operation.When this function is invoked on newly allocated data (with malloc or on the stack), its contents should be set to 0 before calling this function.