diff --git a/README.md b/README.md
index f675eae4..c6da654b 100644
--- a/README.md
+++ b/README.md
@@ -45,12 +45,13 @@ Features:
     * Compute and provide SSRC, RTP-Info to clients
     * Generate RTCP sender reports
 * Utilities
+  * Parse RTSP elements
   * Encode/decode format-specific frames into/from RTP packets. The following formats are supported:
     * Video: H264, H265, M-JPEG, VP8, VP9
     * Audio: G711 (PCMA, PCMU), G722, LPCM, MPEG4 Audio (AAC), Opus
-  * Parse RTSP elements: requests, responses, SDP
-  * Parse H264 elements and formats: Annex-B, AVCC, anti-competition, DTS
-  * Parse MPEG4 Audio (AAC) element and formats: ADTS, MPEG4 Audio configurations
+  * Parse codec-specific elements. The following codecs are supported:
+    * Video: H264, H265, M-JPEG
+    * Audio: MPEG4 Audio (AAC)
 
 ## Table of contents
 
diff --git a/client_play_test.go b/client_play_test.go
index b8389614..0640357f 100644
--- a/client_play_test.go
+++ b/client_play_test.go
@@ -17,11 +17,11 @@ import (
 
 	"github.com/aler9/gortsplib/v2/pkg/auth"
 	"github.com/aler9/gortsplib/v2/pkg/base"
+	"github.com/aler9/gortsplib/v2/pkg/codecs/mpeg4audio"
 	"github.com/aler9/gortsplib/v2/pkg/conn"
 	"github.com/aler9/gortsplib/v2/pkg/format"
 	"github.com/aler9/gortsplib/v2/pkg/headers"
 	"github.com/aler9/gortsplib/v2/pkg/media"
-	"github.com/aler9/gortsplib/v2/pkg/mpeg4audio"
 	"github.com/aler9/gortsplib/v2/pkg/sdp"
 	"github.com/aler9/gortsplib/v2/pkg/url"
 )
diff --git a/examples/client-publish-format-mpeg4audio/main.go b/examples/client-publish-format-mpeg4audio/main.go
index 9781e10b..9dc40086 100644
--- a/examples/client-publish-format-mpeg4audio/main.go
+++ b/examples/client-publish-format-mpeg4audio/main.go
@@ -5,9 +5,9 @@ import (
 	"net"
 
 	"github.com/aler9/gortsplib/v2"
+	"github.com/aler9/gortsplib/v2/pkg/codecs/mpeg4audio"
 	"github.com/aler9/gortsplib/v2/pkg/format"
 	"github.com/aler9/gortsplib/v2/pkg/media"
-	"github.com/aler9/gortsplib/v2/pkg/mpeg4audio"
 	"github.com/pion/rtp"
 )
 
diff --git a/pkg/mpeg4audio/adts.go b/pkg/codecs/mpeg4audio/adts.go
similarity index 100%
rename from pkg/mpeg4audio/adts.go
rename to pkg/codecs/mpeg4audio/adts.go
diff --git a/pkg/mpeg4audio/adts_test.go b/pkg/codecs/mpeg4audio/adts_test.go
similarity index 100%
rename from pkg/mpeg4audio/adts_test.go
rename to pkg/codecs/mpeg4audio/adts_test.go
diff --git a/pkg/mpeg4audio/config.go b/pkg/codecs/mpeg4audio/config.go
similarity index 100%
rename from pkg/mpeg4audio/config.go
rename to pkg/codecs/mpeg4audio/config.go
diff --git a/pkg/mpeg4audio/config_test.go b/pkg/codecs/mpeg4audio/config_test.go
similarity index 100%
rename from pkg/mpeg4audio/config_test.go
rename to pkg/codecs/mpeg4audio/config_test.go
diff --git a/pkg/mpeg4audio/mpeg4audio.go b/pkg/codecs/mpeg4audio/mpeg4audio.go
similarity index 100%
rename from pkg/mpeg4audio/mpeg4audio.go
rename to pkg/codecs/mpeg4audio/mpeg4audio.go
diff --git a/pkg/mpeg4audio/objecttype.go b/pkg/codecs/mpeg4audio/objecttype.go
similarity index 100%
rename from pkg/mpeg4audio/objecttype.go
rename to pkg/codecs/mpeg4audio/objecttype.go
diff --git a/pkg/mpeg4audio/samplerates.go b/pkg/codecs/mpeg4audio/samplerates.go
similarity index 100%
rename from pkg/mpeg4audio/samplerates.go
rename to pkg/codecs/mpeg4audio/samplerates.go
diff --git a/pkg/format/format_test.go b/pkg/format/format_test.go
index b038516d..6039130b 100644
--- a/pkg/format/format_test.go
+++ b/pkg/format/format_test.go
@@ -6,7 +6,7 @@ import (
 	psdp "github.com/pion/sdp/v3"
 	"github.com/stretchr/testify/require"
 
-	"github.com/aler9/gortsplib/v2/pkg/mpeg4audio"
+	"github.com/aler9/gortsplib/v2/pkg/codecs/mpeg4audio"
 )
 
 func TestNewFromMediaDescription(t *testing.T) {
diff --git a/pkg/format/mpeg4audio.go b/pkg/format/mpeg4audio.go
index 00d89e38..a9cab25f 100644
--- a/pkg/format/mpeg4audio.go
+++ b/pkg/format/mpeg4audio.go
@@ -8,8 +8,8 @@ import (
 
 	"github.com/pion/rtp"
 
+	"github.com/aler9/gortsplib/v2/pkg/codecs/mpeg4audio"
 	"github.com/aler9/gortsplib/v2/pkg/formatdecenc/rtpmpeg4audio"
-	"github.com/aler9/gortsplib/v2/pkg/mpeg4audio"
 )
 
 // MPEG4Audio is a MPEG-4 audio format.
diff --git a/pkg/format/mpeg4audio_test.go b/pkg/format/mpeg4audio_test.go
index 2d02f184..99268eb5 100644
--- a/pkg/format/mpeg4audio_test.go
+++ b/pkg/format/mpeg4audio_test.go
@@ -6,7 +6,7 @@ import (
 	"github.com/pion/rtp"
 	"github.com/stretchr/testify/require"
 
-	"github.com/aler9/gortsplib/v2/pkg/mpeg4audio"
+	"github.com/aler9/gortsplib/v2/pkg/codecs/mpeg4audio"
 )
 
 func TestMPEG4AudioAttributes(t *testing.T) {
diff --git a/pkg/formatdecenc/rtpmpeg4audio/decoder.go b/pkg/formatdecenc/rtpmpeg4audio/decoder.go
index d4c87a73..825b4437 100644
--- a/pkg/formatdecenc/rtpmpeg4audio/decoder.go
+++ b/pkg/formatdecenc/rtpmpeg4audio/decoder.go
@@ -8,7 +8,7 @@ import (
 	"github.com/pion/rtp"
 
 	"github.com/aler9/gortsplib/v2/pkg/bits"
-	"github.com/aler9/gortsplib/v2/pkg/mpeg4audio"
+	"github.com/aler9/gortsplib/v2/pkg/codecs/mpeg4audio"
 	"github.com/aler9/gortsplib/v2/pkg/rtptimedec"
 )
 
diff --git a/pkg/formatdecenc/rtpmpeg4audio/decoder_test.go b/pkg/formatdecenc/rtpmpeg4audio/decoder_test.go
index 6bb42a0b..a5d65c44 100644
--- a/pkg/formatdecenc/rtpmpeg4audio/decoder_test.go
+++ b/pkg/formatdecenc/rtpmpeg4audio/decoder_test.go
@@ -8,7 +8,7 @@ import (
 	"github.com/pion/rtp"
 	"github.com/stretchr/testify/require"
 
-	"github.com/aler9/gortsplib/v2/pkg/mpeg4audio"
+	"github.com/aler9/gortsplib/v2/pkg/codecs/mpeg4audio"
 )
 
 func mergeBytes(vals ...[]byte) []byte {
diff --git a/pkg/formatdecenc/rtpmpeg4audio/encoder.go b/pkg/formatdecenc/rtpmpeg4audio/encoder.go
index d12c1a22..d85fa5a9 100644
--- a/pkg/formatdecenc/rtpmpeg4audio/encoder.go
+++ b/pkg/formatdecenc/rtpmpeg4audio/encoder.go
@@ -7,7 +7,7 @@ import (
 	"github.com/pion/rtp"
 
 	"github.com/aler9/gortsplib/v2/pkg/bits"
-	"github.com/aler9/gortsplib/v2/pkg/mpeg4audio"
+	"github.com/aler9/gortsplib/v2/pkg/codecs/mpeg4audio"
 )
 
 const (