eliminate redundant function argument

Change-Id: I5bff4436072c2855590e08d90c5098af3abceb93

daemon/codec.c

@@ -440,9 +440,7 @@ void codec_add_raw_packet(struct media_packet *mp) {
 		mp->ssrc_out->payload_type = mp->rtp->m_pt & 0x7f;
 	g_queue_push_tail(&mp->packets_out, p);
 }
-static int handler_func_passthrough(struct codec_handler *h, struct call_media *media,
-		struct media_packet *mp)
-{
+static int handler_func_passthrough(struct codec_handler *h, struct media_packet *mp) {
 	codec_add_raw_packet(mp);
 	return 0;
 }
@@ -546,11 +544,9 @@ struct rtp_payload_type *codec_make_payload_type(const str *codec_str, struct ca
 #ifdef WITH_TRANSCODING
 
 
-static int handler_func_passthrough_ssrc(struct codec_handler *h, struct call_media *media,
-		struct media_packet *mp)
-{
+static int handler_func_passthrough_ssrc(struct codec_handler *h, struct media_packet *mp) {
 	if (G_UNLIKELY(!mp->rtp))
-		return handler_func_passthrough(h, media, mp);
+		return handler_func_passthrough(h, mp);
 
 	// substitute out SSRC
 	mp->rtp->ssrc = htonl(mp->ssrc_in->ssrc_map_out);
@@ -722,11 +718,9 @@ static int __packet_decoded(decoder_t *decoder, AVFrame *frame, void *u1, void *
 	return 0;
 }
 
-static int handler_func_transcode(struct codec_handler *h, struct call_media *media,
-		struct media_packet *mp)
-{
+static int handler_func_transcode(struct codec_handler *h, struct media_packet *mp) {
 	if (G_UNLIKELY(!mp->rtp))
-		return handler_func_passthrough(h, media, mp);
+		return handler_func_passthrough(h, mp);
 
 	assert((mp->rtp->m_pt & 0x7f) == h->source_pt.payload_type);
 

daemon/media_socket.c

@@ -1649,7 +1649,7 @@ static int stream_packet(struct packet_handler_ctx *phc) {
 	else {
 		struct codec_handler *transcoder = codec_handler_get(phc->mp.media, phc->payload_type);
 		// this transfers the packet from 's' to 'packets_out'
-		if (transcoder->func(transcoder, phc->mp.media, &phc->mp))
+		if (transcoder->func(transcoder, &phc->mp))
 			goto drop;
 	}
 

include/codec.h

@@ -16,7 +16,7 @@ struct ssrc_hash;
 struct sdp_ng_flags;
 
 
-typedef int codec_handler_func(struct codec_handler *, struct call_media *, struct media_packet *);
+typedef int codec_handler_func(struct codec_handler *, struct media_packet *);
 
 
 struct codec_handler {

t/transcode-test.c

@@ -102,7 +102,7 @@ static void queue_dump(GString *s, GQueue *q) {
 	memcpy(mp.payload.s, pl.s, pl.len); \
 	mp.raw.s = packet; \
 	mp.raw.len = packet_len; \
-	h->func(h, media_A, &mp); \
+	h->func(h, &mp); \
 	if (pt_out == -1) { \
 		if (mp.packets_out.length != 0) { \
 			printf("test failed: %s:%i\n", __FILE__, __LINE__); \