diff --git a/libavformat/Makefile b/libavformat/Makefile
index 722dbf7ae8..e7b6f1dcb2 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -246,6 +246,7 @@ OBJS-$(CONFIG_H263_MUXER)                += rawenc.o
 OBJS-$(CONFIG_H264_DEMUXER)              += h264dec.o rawdec.o
 OBJS-$(CONFIG_H264_MUXER)                += rawenc.o
 OBJS-$(CONFIG_H266_DEMUXER)              += h266dec.o rawdec.o
+OBJS-$(CONFIG_H266_MUXER)                += rawenc.o
 OBJS-$(CONFIG_HASH_MUXER)                += hashenc.o
 OBJS-$(CONFIG_HCA_DEMUXER)               += hca.o
 OBJS-$(CONFIG_HCOM_DEMUXER)              += hcom.o pcm.o
@@ -337,7 +338,7 @@ OBJS-$(CONFIG_MATROSKA_DEMUXER)          += matroskadec.o matroska.o  \
                                             oggparsevorbis.o vorbiscomment.o \
                                             qtpalette.o replaygain.o dovi_isom.o
 OBJS-$(CONFIG_MATROSKA_MUXER)            += matroskaenc.o matroska.o \
-                                            av1.o avc.o hevc.o \
+                                            av1.o avc.o hevc.o h266.o\
                                             flacenc_header.o avlanguage.o \
                                             vorbiscomment.o wv.o dovi_isom.o
 OBJS-$(CONFIG_MCA_DEMUXER)               += mca.o
@@ -359,7 +360,7 @@ OBJS-$(CONFIG_MODS_DEMUXER)              += mods.o
 OBJS-$(CONFIG_MOFLEX_DEMUXER)            += moflex.o
 OBJS-$(CONFIG_MOV_DEMUXER)               += mov.o mov_chan.o mov_esds.o \
                                             qtpalette.o replaygain.o dovi_isom.o
-OBJS-$(CONFIG_MOV_MUXER)                 += movenc.o av1.o avc.o hevc.o vpcc.o \
+OBJS-$(CONFIG_MOV_MUXER)                 += movenc.o av1.o avc.o hevc.o h266.o vpcc.o \
                                             movenchint.o mov_chan.o rtp.o \
                                             movenccenc.o movenc_ttml.o rawutils.o \
                                             dovi_isom.o
@@ -509,7 +510,7 @@ OBJS-$(CONFIG_RTP_MUXER)                 += rtp.o         \
                                             rtpenc_vp8.o  \
                                             rtpenc_vp9.o                \
                                             rtpenc_xiph.o \
-                                            avc.o hevc.o
+                                            avc.o hevc.o h266.o
 OBJS-$(CONFIG_RTSP_DEMUXER)              += rtsp.o rtspdec.o httpauth.o \
                                             urldecode.o
 OBJS-$(CONFIG_RTSP_MUXER)                += rtsp.o rtspenc.o httpauth.o \
diff --git a/libavformat/allformats.c b/libavformat/allformats.c
index 437616bf0f..2dd76dd07a 100644
--- a/libavformat/allformats.c
+++ b/libavformat/allformats.c
@@ -200,6 +200,7 @@ extern const FFOutputFormat ff_h263_muxer;
 extern const AVInputFormat  ff_h264_demuxer;
 extern const FFOutputFormat ff_h264_muxer;
 extern const AVInputFormat  ff_h266_demuxer;
+extern const FFOutputFormat ff_h266_muxer;
 extern const FFOutputFormat ff_hash_muxer;
 extern const AVInputFormat  ff_hca_demuxer;
 extern const AVInputFormat  ff_hcom_demuxer;
diff --git a/libavformat/isom.c b/libavformat/isom.c
index 6d019881e5..9fbccd4437 100644
--- a/libavformat/isom.c
+++ b/libavformat/isom.c
@@ -36,6 +36,7 @@ const AVCodecTag ff_mp4_obj_type[] = {
     { AV_CODEC_ID_MPEG4       , 0x20 },
     { AV_CODEC_ID_H264        , 0x21 },
     { AV_CODEC_ID_HEVC        , 0x23 },
+    { AV_CODEC_ID_VVC         , 0x33 },
     { AV_CODEC_ID_AAC         , 0x40 },
     { AV_CODEC_ID_MP4ALS      , 0x40 }, /* 14496-3 ALS */
     { AV_CODEC_ID_MPEG2VIDEO  , 0x61 }, /* MPEG-2 Main */
diff --git a/libavformat/isom_tags.c b/libavformat/isom_tags.c
index e2b80405cc..ec93bdc363 100644
--- a/libavformat/isom_tags.c
+++ b/libavformat/isom_tags.c
@@ -123,6 +123,9 @@ const AVCodecTag ff_codec_movvideo_tags[] = {
     { AV_CODEC_ID_HEVC, MKTAG('d', 'v', 'h', 'e') }, /* HEVC-based Dolby Vision derived from hev1 */
                                                      /* dvh1 is handled within mov.c */
 
+    { AV_CODEC_ID_VVC, MKTAG('v', 'v', 'i', '1') },  /* VVC/H.266 which indicates parameter sets may be in ES */
+    { AV_CODEC_ID_VVC, MKTAG('v', 'v', 'c', '1') },  /* VVC/H.266 which indicates parameter shall not be in ES */
+
     { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
     { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '2') },
     { AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 6ab43b00c6..a1632bedb8 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -1967,6 +1967,11 @@ static int mov_read_glbl(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     if ((uint64_t)atom.size > (1<<30))
         return AVERROR_INVALIDDATA;
 
+    if (atom.type == MKTAG('v','v','c','C')) {
+        avio_rb32(pb);
+        atom.size -= 4;
+    }
+
     if (atom.size >= 10) {
         // Broken files created by legacy versions of libavformat will
         // wrap a whole fiel atom inside of a glbl atom.
@@ -7757,6 +7762,7 @@ static const MOVParseTableEntry mov_default_parse_table[] = {
 { MKTAG('s','g','p','d'), mov_read_sgpd },
 { MKTAG('s','b','g','p'), mov_read_sbgp },
 { MKTAG('h','v','c','C'), mov_read_glbl },
+{ MKTAG('v','v','c','C'), mov_read_glbl },
 { MKTAG('u','u','i','d'), mov_read_uuid },
 { MKTAG('C','i','n', 0x8e), mov_read_targa_y216 },
 { MKTAG('f','r','e','e'), mov_read_free },
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index aca8b9d585..39260669a9 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -58,6 +58,7 @@
 #include "libavutil/timecode.h"
 #include "libavutil/dovi_meta.h"
 #include "libavutil/uuid.h"
+#include "h266.h"
 #include "hevc.h"
 #include "rtpenc.h"
 #include "mov_chan.h"
@@ -1393,6 +1394,23 @@ static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
     return update_size(pb, pos);
 }
 
+static int mov_write_vvcc_tag(AVIOContext *pb, MOVTrack *track)
+{
+    int64_t pos = avio_tell(pb);
+
+    avio_wb32(pb, 0);
+    ffio_wfourcc(pb, "vvcC");
+
+    avio_w8  (pb, 0); /* version */
+    avio_wb24(pb, 0); /* flags */
+
+    if (track->tag == MKTAG('v','v','i','1'))
+        ff_isom_write_vvcc(pb, track->vos_data, track->vos_len, 1);
+    else
+        ff_isom_write_vvcc(pb, track->vos_data, track->vos_len, 0);
+    return update_size(pb, pos);
+}
+
 /* also used by all avid codecs (dv, imx, meridien) and their variants */
 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
 {
@@ -2286,6 +2304,8 @@ static int mov_write_video_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContex
         avid = 1;
     } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
         mov_write_hvcc_tag(pb, track);
+    else if (track->par->codec_id == AV_CODEC_ID_VVC)
+        mov_write_vvcc_tag(pb, track);
     else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
         mov_write_avcc_tag(pb, track);
         if (track->mode == MODE_IPOD)
@@ -6060,6 +6080,7 @@ int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
     if ((par->codec_id == AV_CODEC_ID_DNXHD ||
          par->codec_id == AV_CODEC_ID_H264 ||
          par->codec_id == AV_CODEC_ID_HEVC ||
+         par->codec_id == AV_CODEC_ID_VVC ||
          par->codec_id == AV_CODEC_ID_VP9 ||
          par->codec_id == AV_CODEC_ID_TRUEHD) && !trk->vos_len &&
          !TAG_IS_AVCI(trk->tag)) {
@@ -6124,6 +6145,18 @@ int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
                 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
             }
         }
+    } else if (par->codec_id == AV_CODEC_ID_VVC && trk->vos_len > 6 &&
+             (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
+      /* extradata is Annex B, assume the bitstream is too and convert it */
+      if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
+            ret = ff_h266_annexb2mp4_buf(pkt->data, &reformatted_data,
+                                         &size, 0, NULL);
+            if (ret < 0)
+                return ret;
+            avio_write(pb, reformatted_data, size);
+      } else {
+          size = ff_h266_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
+      }
     } else if (par->codec_id == AV_CODEC_ID_AV1) {
         if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
             ret = ff_av1_filter_obus_buf(pkt->data, &reformatted_data,
@@ -6170,6 +6203,9 @@ int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
             } else if(par->codec_id == AV_CODEC_ID_HEVC && par->extradata_size > 21) {
                 int nal_size_length = (par->extradata[21] & 0x3) + 1;
                 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
+            } else if(par->codec_id == AV_CODEC_ID_VVC && par->extradata_size > 21) {
+                int nal_size_length = (par->extradata[21] & 0x3) + 1;
+                ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
             } else {
                 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
             }
@@ -7252,7 +7288,8 @@ static int mov_init(AVFormatContext *s)
 
         if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
             ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
-                (track->par->codec_id == AV_CODEC_ID_H264 || track->par->codec_id == AV_CODEC_ID_HEVC),
+                (track->par->codec_id == AV_CODEC_ID_H264 || track->par->codec_id == AV_CODEC_ID_HEVC ||
+                 track->par->codec_id == AV_CODEC_ID_VVC),
                 s->flags & AVFMT_FLAG_BITEXACT);
             if (ret)
                 return ret;
@@ -7720,6 +7757,8 @@ static const AVCodecTag codec_mp4_tags[] = {
     { AV_CODEC_ID_H264,            MKTAG('a', 'v', 'c', '3') },
     { AV_CODEC_ID_HEVC,            MKTAG('h', 'e', 'v', '1') },
     { AV_CODEC_ID_HEVC,            MKTAG('h', 'v', 'c', '1') },
+    { AV_CODEC_ID_VVC,             MKTAG('v', 'v', 'c', '1') },
+    { AV_CODEC_ID_VVC,             MKTAG('v', 'v', 'i', '1') },
     { AV_CODEC_ID_MPEG2VIDEO,      MKTAG('m', 'p', '4', 'v') },
     { AV_CODEC_ID_MPEG1VIDEO,      MKTAG('m', 'p', '4', 'v') },
     { AV_CODEC_ID_MJPEG,           MKTAG('m', 'p', '4', 'v') },
diff --git a/libavformat/rawenc.c b/libavformat/rawenc.c
index 78fadda967..c5176d9a5e 100644
--- a/libavformat/rawenc.c
+++ b/libavformat/rawenc.c
@@ -378,6 +378,29 @@ const FFOutputFormat ff_h264_muxer = {
 };
 #endif
 
+#if CONFIG_H266_MUXER
+static int h266_check_bitstream(AVFormatContext *s, AVStream *st,
+                                const AVPacket *pkt)
+{
+    if (pkt->size >= 5 && AV_RB32(pkt->data) != 0x0000001 &&
+                          AV_RB24(pkt->data) != 0x000001)
+        return ff_stream_add_bitstream_filter(st, "h266_mp4toannexb", NULL);
+    return 1;
+}
+
+const FFOutputFormat ff_h266_muxer = {
+    .p.name            = "vvc",
+    .p.long_name       = NULL_IF_CONFIG_SMALL("raw H.266/VVC video"),
+    .p.extensions      = "vvc,h266,266",
+    .p.audio_codec     = AV_CODEC_ID_NONE,
+    .p.video_codec     = AV_CODEC_ID_VVC,
+    .init              = force_one_stream,
+    .write_packet      = ff_raw_write_packet,
+    .check_bitstream   = h266_check_bitstream,
+    .p.flags           = AVFMT_NOTIMESTAMPS,
+};
+#endif
+
 #if CONFIG_HEVC_MUXER
 static int hevc_check_bitstream(AVFormatContext *s, AVStream *st,
                                 const AVPacket *pkt)
