Make RTCRtpCodecCapability::payloader_for_codec public API

Author: algesten

webrtc/src/rtp_transceiver/rtp_codec.rs

@@ -66,9 +66,8 @@ pub struct RTCRtpCodecCapability {
 }
 
 impl RTCRtpCodecCapability {
-    pub(crate) fn payloader_for_codec(
-        &self,
-    ) -> Result<Box<dyn rtp::packetizer::Payloader + Send + Sync>> {
+    /// Turn codec capability into a `packetizer::Payloader`
+    pub fn payloader_for_codec(&self) -> Result<Box<dyn rtp::packetizer::Payloader + Send + Sync>> {
         let mime_type = self.mime_type.to_lowercase();
         if mime_type == MIME_TYPE_H264.to_lowercase() {
             Ok(Box::new(rtp::codecs::h264::H264Payloader::default()))