diff --git a/daemon/call.c b/daemon/call.c
index 4313a7dd8..c6deeeb86 100644
--- a/daemon/call.c
+++ b/daemon/call.c
@@ -683,6 +683,7 @@ static struct call_media *__get_media(struct call_monologue *ml, GList **it, con
 	med->call = ml->call;
 	med->index = sp->index;
 	call_str_cpy(ml->call, &med->type, &sp->type);
+	med->type_id = codec_get_type(&med->type);
 	med->codecs_recv = g_hash_table_new_full(g_int_hash, g_int_equal, NULL, NULL);
 	med->codecs_send = g_hash_table_new_full(g_int_hash, g_int_equal, NULL, NULL);
 	med->codec_names_recv = g_hash_table_new_full(str_hash, str_equal, NULL, (void (*)(void*)) g_queue_free);
diff --git a/daemon/call.h b/daemon/call.h
index 029f3df7c..12a53292d 100644
--- a/daemon/call.h
+++ b/daemon/call.h
@@ -19,6 +19,7 @@
 #include "media_socket.h"
 #include "recording.h"
 #include "statistics.h"
+#include "codeclib.h"
 
 #define UNDEFINED ((unsigned int) -1)
 
@@ -310,6 +311,7 @@ struct call_media {
 	unsigned int		index;		/* RO */
 	unsigned int		unique_id;	/* RO */
 	str			type;		/* RO */
+	enum media_type		type_id;	// RO
 	const struct transport_protocol *protocol;
 	sockfamily_t		*desired_family;
 	const struct logical_intf *logical_intf;
diff --git a/daemon/codec.c b/daemon/codec.c
index 8a8498dd1..37574cf9b 100644
--- a/daemon/codec.c
+++ b/daemon/codec.c
@@ -109,11 +109,11 @@ reset:
 			STR_FMT(&dest->encoding), dest->clock_rate, dest->channels);
 }
 
-static void __ensure_codec_def(struct rtp_payload_type *pt) {
+static void __ensure_codec_def(struct rtp_payload_type *pt, struct call_media *media) {
 	if (pt->codec_def)
 		return;
 
-	pt->codec_def = codec_find(&pt->encoding);
+	pt->codec_def = codec_find(&pt->encoding, media->type_id);
 	if (!pt->codec_def)
 		return;
 	if (!pt->codec_def->encoder || !pt->codec_def->decoder)
@@ -148,7 +148,7 @@ void codec_handlers_update(struct call_media *receiver, struct call_media *sink)
 	struct rtp_payload_type *pref_dest_codec = NULL;
 	for (GList *l = sink->codecs_prefs_send.head; l; l = l->next) {
 		struct rtp_payload_type *pt = l->data;
-		__ensure_codec_def(pt);
+		__ensure_codec_def(pt, sink);
 		if (!pt->codec_def || pt->codec_def->avcodec_id == -1) // not supported, next
 			continue;
 
@@ -171,7 +171,7 @@ void codec_handlers_update(struct call_media *receiver, struct call_media *sink)
 		GList *insert_pos = NULL;
 		for (GList *l = receiver->codecs_prefs_send.head; l; l = l->next) {
 			struct rtp_payload_type *pt = l->data;
-			__ensure_codec_def(pt);
+			__ensure_codec_def(pt, receiver);
 			if (!pt->codec_def)
 				continue;
 			if (g_hash_table_lookup(receiver->codecs_recv, &pt->payload_type)) {
@@ -242,7 +242,7 @@ void codec_handlers_update(struct call_media *receiver, struct call_media *sink)
 		}
 
 		// check our own support for this codec
-		__ensure_codec_def(pt);
+		__ensure_codec_def(pt, receiver);
 
 		if (!pt->codec_def || pt->codec_def->avcodec_id == -1) {
 			// not supported, or not a real audio codec
@@ -624,8 +624,9 @@ static struct rtp_payload_type *codec_make_dynamic_payload_type(const codec_def_
 
 
 // XXX allow specifying codec params (e.g. "transcode=opus/16000/1")
-static struct rtp_payload_type *codec_make_payload_type(const str *codec, struct call *call) {
-	const codec_def_t *dec = codec_find(codec);
+static struct rtp_payload_type *codec_make_payload_type(const str *codec, struct call_media *media) {
+	struct call *call = media->call;
+	const codec_def_t *dec = codec_find(codec, media->type_id);
 	if (!dec)
 		return NULL;
 	// we must support both encoding and decoding
@@ -648,7 +649,7 @@ static struct rtp_payload_type *codec_make_payload_type(const str *codec, struct
 
 
 static struct rtp_payload_type *codec_add_payload_type(const str *codec, struct call_media *media) {
-	struct rtp_payload_type *pt = codec_make_payload_type(codec, media->call);
+	struct rtp_payload_type *pt = codec_make_payload_type(codec, media);
 	if (!pt) {
 		ilog(LOG_WARN, "Codec '" STR_FORMAT "' requested for transcoding is not supported",
 				STR_FMT(codec));
diff --git a/lib/codeclib.c b/lib/codeclib.c
index cd8b439ad..90dff11a8 100644
--- a/lib/codeclib.c
+++ b/lib/codeclib.c
@@ -42,6 +42,7 @@ static codec_def_t __codec_defs[] = {
 		.default_ptime = 20,
 		.packetizer = packetizer_samplestream,
 		.bits_per_sample = 8,
+		.type = MT_AUDIO,
 	},
 	{
 		.rtpname = "PCMU",
@@ -52,6 +53,7 @@ static codec_def_t __codec_defs[] = {
 		.default_ptime = 20,
 		.packetizer = packetizer_samplestream,
 		.bits_per_sample = 8,
+		.type = MT_AUDIO,
 	},
 	{
 		.rtpname = "G723",
@@ -61,6 +63,7 @@ static codec_def_t __codec_defs[] = {
 		.default_channels = 1,
 		.default_ptime = 30,
 		.packetizer = packetizer_passthrough,
+		.type = MT_AUDIO,
 	},
 	{
 		.rtpname = "G722",
@@ -71,6 +74,7 @@ static codec_def_t __codec_defs[] = {
 		.default_ptime = 20,
 		.packetizer = packetizer_samplestream,
 		.bits_per_sample = 8,
+		.type = MT_AUDIO,
 	},
 	{
 		.rtpname = "QCELP",
@@ -79,6 +83,7 @@ static codec_def_t __codec_defs[] = {
 		.default_ptime = 20,
 		.packetizer = packetizer_passthrough,
 		.decode_only_ok = 1,
+		.type = MT_AUDIO,
 	},
 	{
 		.rtpname = "G729",
@@ -88,6 +93,7 @@ static codec_def_t __codec_defs[] = {
 		.default_channels = 1,
 		.default_ptime = 20,
 		.packetizer = packetizer_passthrough,
+		.type = MT_AUDIO,
 	},
 	{
 		.rtpname = "speex",
@@ -97,6 +103,7 @@ static codec_def_t __codec_defs[] = {
 		.default_bitrate = 11000,
 		.default_ptime = 20,
 		.packetizer = packetizer_passthrough,
+		.type = MT_AUDIO,
 	},
 	{
 		.rtpname = "GSM",
@@ -105,12 +112,14 @@ static codec_def_t __codec_defs[] = {
 		.default_channels = 1,
 		.default_ptime = 20,
 		.packetizer = packetizer_passthrough,
+		.type = MT_AUDIO,
 	},
 	{
 		.rtpname = "iLBC",
 		.avcodec_id = AV_CODEC_ID_ILBC,
 		.default_ptime = 20,
 		.packetizer = packetizer_passthrough,
+		.type = MT_AUDIO,
 	},
 	{
 		.rtpname = "opus",
@@ -121,6 +130,7 @@ static codec_def_t __codec_defs[] = {
 		.default_bitrate = 32000,
 		.default_ptime = 20,
 		.packetizer = packetizer_passthrough,
+		.type = MT_AUDIO,
 	},
 	{
 		.rtpname = "vorbis",
@@ -128,18 +138,21 @@ static codec_def_t __codec_defs[] = {
 		.avcodec_name = "libvorbis",
 		.default_ptime = 20,
 		.packetizer = packetizer_passthrough,
+		.type = MT_AUDIO,
 	},
 	{
 		.rtpname = "ac3",
 		.avcodec_id = AV_CODEC_ID_AC3,
 		.default_ptime = 20,
 		.packetizer = packetizer_passthrough,
+		.type = MT_AUDIO,
 	},
 	{
 		.rtpname = "eac3",
 		.avcodec_id = AV_CODEC_ID_EAC3,
 		.default_ptime = 20,
 		.packetizer = packetizer_passthrough,
+		.type = MT_AUDIO,
 	},
 	{
 		.rtpname = "ATRAC3",
@@ -147,6 +160,7 @@ static codec_def_t __codec_defs[] = {
 		.default_ptime = 20,
 		.packetizer = packetizer_passthrough,
 		.decode_only_ok = 1,
+		.type = MT_AUDIO,
 	},
 	{
 		.rtpname = "ATRAC-X",
@@ -154,6 +168,7 @@ static codec_def_t __codec_defs[] = {
 		.default_ptime = 20,
 		.packetizer = packetizer_passthrough,
 		.decode_only_ok = 1,
+		.type = MT_AUDIO,
 	},
 #if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 0, 0)
 	{
@@ -163,6 +178,7 @@ static codec_def_t __codec_defs[] = {
 		.default_ptime = 20,
 		.packetizer = packetizer_passthrough,
 		.decode_only_ok = 1,
+		.type = MT_AUDIO,
 	},
 	{
 		.rtpname = "EVRC0",
@@ -172,6 +188,7 @@ static codec_def_t __codec_defs[] = {
 		.default_ptime = 20,
 		.packetizer = packetizer_passthrough,
 		.decode_only_ok = 1,
+		.type = MT_AUDIO,
 	},
 	{
 		.rtpname = "EVRC1",
@@ -181,6 +198,7 @@ static codec_def_t __codec_defs[] = {
 		.default_ptime = 20,
 		.packetizer = packetizer_passthrough,
 		.decode_only_ok = 1,
+		.type = MT_AUDIO,
 	},
 #endif
 	{
@@ -192,6 +210,7 @@ static codec_def_t __codec_defs[] = {
 		.default_bitrate = 6600,
 		.default_ptime = 20,
 		.packetizer = packetizer_passthrough,
+		.type = MT_AUDIO,
 	},
 	{
 		.rtpname = "AMR-WB",
@@ -202,6 +221,7 @@ static codec_def_t __codec_defs[] = {
 		.default_bitrate = 14250,
 		.default_ptime = 20,
 		.packetizer = packetizer_passthrough,
+		.type = MT_AUDIO,
 	},
 	// pseudo-codecs
 	{
@@ -209,6 +229,7 @@ static codec_def_t __codec_defs[] = {
 		.avcodec_id = -1,
 		.avcodec_name = NULL,
 		.packetizer = packetizer_passthrough,
+		.type = MT_AUDIO,
 	},
 	// for file writing
 	{
@@ -216,12 +237,14 @@ static codec_def_t __codec_defs[] = {
 		.avcodec_id = AV_CODEC_ID_PCM_S16LE,
 		.avcodec_name = NULL,
 		.packetizer = packetizer_passthrough,
+		.type = MT_AUDIO,
 	},
 	{
 		.rtpname = "MP3",
 		.avcodec_id = AV_CODEC_ID_MP3,
 		.avcodec_name = NULL,
 		.packetizer = packetizer_passthrough,
+		.type = MT_AUDIO,
 	},
 };
 
@@ -231,11 +254,27 @@ static GHashTable *codecs_ht;
 
 
 
-const codec_def_t *codec_find(const str *name) {
+const codec_def_t *codec_find(const str *name, enum media_type type) {
 	codec_def_t *ret = g_hash_table_lookup(codecs_ht, name);
+	if (!ret)
+		return NULL;
+	if (type && type != ret->type)
+		return NULL;
 	return ret;
 }
 
+enum media_type codec_get_type(const str *type) {
+	if (!type || !type->len)
+		return MT_UNKNOWN;
+	if (!str_cmp(type, "audio"))
+		return MT_AUDIO;
+	if (!str_cmp(type, "video"))
+		return MT_VIDEO;
+	if (!str_cmp(type, "image"))
+		return MT_IMAGE;
+	return MT_OTHER;
+}
+
 
 
 decoder_t *decoder_new_fmt(const codec_def_t *def, int clockrate, int channels, const format_t *resample_fmt) {
diff --git a/lib/codeclib.h b/lib/codeclib.h
index 5ed247922..9bbc78f8f 100644
--- a/lib/codeclib.h
+++ b/lib/codeclib.h
@@ -29,6 +29,14 @@ typedef int packetizer_f(AVPacket *, GString *, str *);
 
 
 
+enum media_type {
+	MT_UNKNOWN = 0,
+	MT_AUDIO,
+	MT_VIDEO,
+	MT_IMAGE,
+	MT_OTHER,
+};
+
 struct codec_def_s {
 	const char * const rtpname;
 	int clockrate_mult;
@@ -41,6 +49,7 @@ struct codec_def_s {
 	packetizer_f * const packetizer;
 	const int bits_per_sample;
 	const int decode_only_ok;
+	const enum media_type type;
 
 	// filled in by codeclib_init()
 	str rtpname_str;
@@ -101,7 +110,8 @@ struct packet_sequencer_s {
 void codeclib_init(void);
 
 
-const codec_def_t *codec_find(const str *name);
+const codec_def_t *codec_find(const str *name, enum media_type);
+enum media_type codec_get_type(const str *type);
 
 
 decoder_t *decoder_new_fmt(const codec_def_t *def, int clockrate, int channels, const format_t *resample_fmt);
diff --git a/recording-daemon/decoder.c b/recording-daemon/decoder.c
index 0f9046594..d8af63704 100644
--- a/recording-daemon/decoder.c
+++ b/recording-daemon/decoder.c
@@ -41,7 +41,7 @@ decoder_t *decoder_new(const char *payload_str) {
 			channels = 1;
 	}
 
-	const codec_def_t *def = codec_find(&name);
+	const codec_def_t *def = codec_find(&name, MT_AUDIO);
 	if (!def) {
 		ilog(LOG_WARN, "No decoder for payload %s", payload_str);
 		return NULL;
diff --git a/recording-daemon/output.c b/recording-daemon/output.c
index f11d0ebb2..fbbcddf54 100644
--- a/recording-daemon/output.c
+++ b/recording-daemon/output.c
@@ -229,6 +229,6 @@ void output_init(const char *format) {
 	else
 		die("Unknown output format '%s'", format);
 
-	output_codec = codec_find(&codec);
+	output_codec = codec_find(&codec, MT_AUDIO);
 	assert(output_codec != NULL);
 }