diff --git a/fftools/ffmpeg_demux.c b/fftools/ffmpeg_demux.c
index 38bd580bfc..640744b88f 100644
--- a/fftools/ffmpeg_demux.c
+++ b/fftools/ffmpeg_demux.c
@@ -41,6 +41,19 @@
 
 #include "libavformat/avformat.h"
 
+typedef struct DemuxStreamGroup {
+    InputStreamGroup         istg;
+
+    // name used for logging
+    char                     log_name[32];
+
+    // Temporary fields for LCEVC merging
+    AVBitStreamFilterGraph   *graph;
+    AVBitStreamFilterContext *lcevc[2];
+    AVBitStreamFilterContext *sink;
+    int graph_enabled;
+} DemuxStreamGroup;
+
 typedef struct DemuxStream {
     InputStream              ist;
 
@@ -95,19 +108,15 @@ typedef struct DemuxStream {
 
     AVBSFContext            *bsf;
 
+    DemuxStreamGroup       **dsg;
+    int                      nb_dsg;
+
     /* number of packets successfully read for this stream */
     uint64_t                 nb_packets;
     // combined size of all the packets read
     uint64_t                 data_size;
 } DemuxStream;
 
-typedef struct DemuxStreamGroup {
-    InputStreamGroup         istg;
-
-    // name used for logging
-    char                     log_name[32];
-} DemuxStreamGroup;
-
 typedef struct Demuxer {
     InputFile             f;
 
@@ -164,6 +173,11 @@ typedef struct DemuxThreadContext {
     AVPacket *pkt_bsf;
 } DemuxThreadContext;
 
+static DemuxStreamGroup *dsg_from_istg(InputStreamGroup *istg)
+{
+    return (DemuxStreamGroup*)istg;
+}
+
 static DemuxStream *ds_from_ist(InputStream *ist)
 {
     return (DemuxStream*)ist;
@@ -598,14 +612,82 @@ static int do_send(Demuxer *d, DemuxStream *ds, AVPacket *pkt, unsigned flags,
     return 0;
 }
 
+static int do_bsf_graph(Demuxer *d, DemuxThreadContext *dt, DemuxStreamGroup *dsg,
+                        DemuxStream *ds, AVPacket *pkt)
+{
+    const AVStreamGroup *stg = dsg->istg.stg;
+    const AVStreamGroupLayeredVideo *lcevc = stg->params.layered_video;
+    const int enhancement = ds->ist.index == stg->streams[lcevc->el_index]->index;
+    AVBitStreamFilterContext *source = dsg->lcevc[enhancement];
+    int ret, flags = AV_BSF_SOURCE_FLAG_PUSH;
+
+    if (enhancement)
+        flags |= AV_BSF_SOURCE_FLAG_KEEP_REF;
+
+    ret = av_bsf_source_add_packet(source, pkt, flags);
+    if (ret < 0) {
+        if (pkt)
+            av_packet_unref(pkt);
+        av_log(dsg, AV_LOG_ERROR, "Error submitting a packet for filtering: %s\n",
+               av_err2str(ret));
+        return ret;
+    }
+
+    if (pkt && enhancement) {
+        if (ds->discard)
+            av_packet_unref(pkt);
+        else {
+            ret = do_send(d, ds, pkt, 0, "filtered");
+            if (ret < 0) {
+                av_packet_unref(pkt);
+                return ret;
+            }
+        }
+        return 0;
+    }
+
+    while (1) {
+        ret = av_bsf_sink_get_packet(dsg->sink, dt->pkt_bsf, 0);
+        if (ret == AVERROR(EAGAIN))
+            return 0;
+        else if (ret < 0) {
+            if (ret != AVERROR_EOF)
+                av_log(dsg, AV_LOG_ERROR,
+                       "Error applying bitstream filters to a packet: %s\n",
+                       av_err2str(ret));
+            return ret;
+        }
+
+        dt->pkt_bsf->time_base = av_bsf_sink_get_time_base(dsg->sink);
+
+        ret = do_send(d, ds, dt->pkt_bsf, 0, "filtered");
+        if (ret < 0) {
+            av_packet_unref(dt->pkt_bsf);
+            return ret;
+        }
+    }
+
+    return 0;
+}
+
 static int demux_send(Demuxer *d, DemuxThreadContext *dt, DemuxStream *ds,
                       AVPacket *pkt, unsigned flags)
 {
     InputFile  *f = &d->f;
+    DemuxStreamGroup *dsg = NULL;
     int ret;
 
+    for (int i = 0; i < ds->nb_dsg; i++) {
+        const InputStreamGroup *istg = &ds->dsg[i]->istg;
+
+        if (istg->stg->type != AV_STREAM_GROUP_PARAMS_LCEVC)
+            continue;
+        dsg = ds->dsg[i];
+        break;
+    }
+
     // pkt can be NULL only when flushing BSFs
-    av_assert0(ds->bsf || pkt);
+    av_assert0(ds->bsf || (dsg && dsg->graph) || pkt);
 
     // send heartbeat for sub2video streams
     if (d->pkt_heartbeat && pkt && pkt->pts != AV_NOPTS_VALUE) {
@@ -625,6 +707,11 @@ static int demux_send(Demuxer *d, DemuxThreadContext *dt, DemuxStream *ds,
         }
     }
 
+    if (dsg && dsg->graph_enabled) {
+        ret = do_bsf_graph(d, dt, dsg, ds, pkt);
+        if (ret < 0)
+            return ret;
+    }
     if (ds->bsf) {
         if (pkt)
             av_packet_rescale_ts(pkt, pkt->time_base, ds->bsf->time_base_in);
@@ -658,7 +745,9 @@ static int demux_send(Demuxer *d, DemuxThreadContext *dt, DemuxStream *ds,
                 return ret;
             }
         }
-    } else {
+    } else if (ds->discard && pkt) {
+        av_packet_unref(pkt);
+    } else if (!dsg || !dsg->graph_enabled) {
         ret = do_send(d, ds, pkt, flags, "demuxed");
         if (ret < 0)
             return ret;
@@ -674,8 +763,18 @@ static int demux_bsf_flush(Demuxer *d, DemuxThreadContext *dt)
 
     for (unsigned i = 0; i < f->nb_streams; i++) {
         DemuxStream *ds = ds_from_ist(f->streams[i]);
+        DemuxStreamGroup *dsg = NULL;
 
-        if (!ds->bsf)
+        for (int j = 0; j < ds->nb_dsg; j++) {
+            const InputStreamGroup *istg = &ds->dsg[j]->istg;
+
+            if (istg->stg->type != AV_STREAM_GROUP_PARAMS_LCEVC)
+                continue;
+            dsg = ds->dsg[j];
+            break;
+        }
+
+        if (!ds->bsf && (!dsg || !dsg->graph_enabled))
             continue;
 
         ret = demux_send(d, dt, ds, NULL, 0);
@@ -686,7 +785,8 @@ static int demux_bsf_flush(Demuxer *d, DemuxThreadContext *dt)
             return ret;
         }
 
-        av_bsf_flush(ds->bsf);
+        if (ds->bsf)
+            av_bsf_flush(ds->bsf);
     }
 
     return 0;
@@ -809,7 +909,7 @@ static int input_thread(void *arg)
            dynamically in stream : we ignore them */
         ds = dt.pkt_demux->stream_index < f->nb_streams ?
              ds_from_ist(f->streams[dt.pkt_demux->stream_index]) : NULL;
-        if (!ds || ds->discard || ds->finished) {
+        if (!ds || ds->finished) {
             report_new_stream(d, dt.pkt_demux);
             av_packet_unref(dt.pkt_demux);
             continue;
@@ -915,10 +1015,15 @@ static void ist_free(InputStream **pist)
 static void istg_free(InputStreamGroup **pistg)
 {
     InputStreamGroup *istg = *pistg;
+    DemuxStreamGroup *dsg;
 
     if (!istg)
         return;
 
+    dsg = dsg_from_istg(istg);
+
+    av_bsf_graph_free(&dsg->graph);
+
     av_freep(pistg);
 }
 
@@ -984,6 +1089,53 @@ int ist_use(InputStream *ist, int decoding_needed,
     ds->decoding_needed   |= decoding_needed;
     ds->streamcopy_needed |= !decoding_needed;
 
+    for (int i = 0; i < ds->nb_dsg; i++) {
+        DemuxStreamGroup *dsg = ds->dsg[i];
+        const InputStreamGroup *istg = &dsg->istg;
+
+        if (!dsg->graph || istg->stg->type != AV_STREAM_GROUP_PARAMS_LCEVC)
+            continue;
+        const AVStreamGroupLayeredVideo *lcevc = istg->stg->params.layered_video;
+        if (ist->st->index == istg->stg->streams[lcevc->el_index]->index)
+            break;
+
+        AVBitStreamFilterContext *lcevc_merge = av_bsf_graph_get_filter(dsg->graph, "lcevc_merge");
+
+        for (int j = 0; j < 2; j++) {
+            ret = av_bsf_init_dict(dsg->lcevc[j], NULL);
+            if (ret < 0)
+                return ret;
+        }
+
+        ret = av_bsf_init_dict(lcevc_merge, NULL);
+        if (ret < 0)
+            return ret;
+        ret = av_bsf_init_dict(dsg->sink, NULL);
+        if (ret < 0)
+            return ret;
+
+        ret = av_bsf_link(dsg->lcevc[0], 0, lcevc_merge, 0);
+        if (ret < 0)
+            return ret;
+        ret = av_bsf_link(dsg->lcevc[1], 0, lcevc_merge, 1);
+        if (ret < 0)
+            return ret;
+        ret = av_bsf_link(lcevc_merge, 0, dsg->sink, 0);
+        if (ret < 0)
+            return ret;
+
+        ret = av_bsf_graph_config(dsg->graph, d);
+        if (ret < 0)
+            return ret;
+
+        InputStream *lcevc_ist = d->f.streams[istg->stg->streams[lcevc->el_index]->index];
+        lcevc_ist->st->discard = 0;
+
+        dsg->graph_enabled = 1;
+
+        break;
+    }
+
     if (decoding_needed && ds->sch_idx_dec < 0) {
         int is_audio = ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO;
         int is_unreliable = !!(d->f.ctx->iformat->flags & AVFMT_NOTIMESTAMPS);
@@ -1873,8 +2025,60 @@ fail:
     return ret;
 }
 
+static int istg_parse_lcevc(const OptionsContext *o, Demuxer *d, DemuxStreamGroup *dsg)
+{
+    InputFile *f = &d->f;
+    const AVStreamGroup *stg = dsg->istg.stg;
+    const AVStreamGroupLayeredVideo *lcevc = stg->params.layered_video;
+    const AVBitStreamFilter *filter, *lcevc_filter = av_bsf_get_by_name("lcevc_merge");
+    const InputStream *lcevc_ist = f->streams[stg->streams[lcevc->el_index]->index];
+    const InputStream *base_ist = f->streams[stg->streams[!lcevc->el_index]->index];
+    int ret;
+
+    if (!lcevc_filter || stg->nb_streams != 2)
+        return 0;
+
+    dsg->graph = av_bsf_graph_alloc();
+    if(!dsg->graph)
+        return AVERROR(ENOMEM);
+
+    filter = av_bsf_get_by_name("source");
+    if (!filter)
+        return AVERROR_BUG;
+
+    ret = av_bsf_graph_alloc_filter(&dsg->lcevc[0], filter, "lcevc_merge_base", dsg->graph);
+    if (ret < 0)
+        return ret;
+    av_opt_set_q(dsg->lcevc[0]->priv_data, "time_base", base_ist->st->time_base, 0);
+    ret = av_bsf_source_parameters_set(dsg->lcevc[0], base_ist->par);
+    if (ret < 0)
+        return ret;
+
+    ret = av_bsf_graph_alloc_filter(&dsg->lcevc[1], filter, "lcevc_merge_enhancement", dsg->graph);
+    if (ret < 0)
+        return ret;
+    av_opt_set_q(dsg->lcevc[1]->priv_data, "time_base", lcevc_ist->st->time_base, 0);
+    ret = av_bsf_source_parameters_set(dsg->lcevc[1], lcevc_ist->par);
+    if (ret < 0)
+        return ret;
+
+    ret = av_bsf_graph_alloc_filter(NULL, lcevc_filter, "lcevc_merge", dsg->graph);
+    if (ret < 0)
+        return ret;
+
+    filter = av_bsf_get_by_name("sink");
+    if (!filter)
+        return AVERROR_BUG;
+    ret = av_bsf_graph_alloc_filter(&dsg->sink, filter, "lcevc_merge_sink", dsg->graph);
+    if (ret < 0)
+        return ret;
+
+    return 0;
+}
+
 static int istg_add(const OptionsContext *o, Demuxer *d, AVStreamGroup *stg)
 {
+    InputFile *f = &d->f;
     DemuxStreamGroup *dsg;
     InputStreamGroup *istg;
     int ret;
@@ -1885,12 +2089,30 @@ static int istg_add(const OptionsContext *o, Demuxer *d, AVStreamGroup *stg)
 
     istg = &dsg->istg;
 
+    switch (stg->type) {
+    case AV_STREAM_GROUP_PARAMS_LCEVC:
+        for (int i = 0; i < istg->stg->nb_streams; i++) {
+            DemuxStream *ds = ds_from_ist(f->streams[istg->stg->streams[i]->index]);
+            ret = av_dynarray_add_nofree(&ds->dsg, &ds->nb_dsg, dsg);
+            if (ret < 0)
+                return ret;
+        }
+        break;
+    default:
+        break;
+    }
+
     switch (stg->type) {
     case AV_STREAM_GROUP_PARAMS_TILE_GRID:
         ret = istg_parse_tile_grid(o, d, istg);
         if (ret < 0)
             return ret;
         break;
+    case AV_STREAM_GROUP_PARAMS_LCEVC:
+        ret = istg_parse_lcevc(o, d, dsg);
+        if (ret < 0)
+            return ret;
+        break;
     default:
         break;
     }
diff --git a/tests/fate/mpegts.mak b/tests/fate/mpegts.mak
index e2b978e085..65aab40d69 100644
--- a/tests/fate/mpegts.mak
+++ b/tests/fate/mpegts.mak
@@ -36,17 +36,17 @@ fate-mpegts-lcevc-vvc-single-track: CMD = stream_demux mpegts $(TARGET_SAMPLES)/
 
 FATE_MPEGTS_FFMPEG_FFPROBE-$(call FRAMECRC, MOV, H264, H264_PARSER LCEVC_PARSER) += fate-mpegts-lcevc-h264-dual-track
 fate-mpegts-lcevc-h264-dual-track: CMD = stream_demux mpegts $(TARGET_SAMPLES)/lcevc/L_H264_640x360p_8bit8bit_2D_dd_dualTrack.ts \
-  "" "-c:v copy -map 0" \
+  "" "-c:v copy -map 0:1" \
   "-show_entries stream_group=index,id,nb_streams,type:stream=index,id,codec_name"
 
 FATE_MPEGTS_FFMPEG_FFPROBE-$(call FRAMECRC, MOV, HEVC, HEVC_PARSER LCEVC_PARSER) += fate-mpegts-lcevc-hevc-dual-track
 fate-mpegts-lcevc-hevc-dual-track: CMD = stream_demux mpegts $(TARGET_SAMPLES)/lcevc/L_HEVC_640x360p_8bit8bit_2D_dd_dualTrack.ts \
-  "" "-c:v copy -map 0" \
+  "" "-c:v copy -map 0:1" \
   "-show_entries stream_group=index,id,nb_streams,type:stream=index,id,codec_name"
 
 FATE_MPEGTS_FFMPEG_FFPROBE-$(call FRAMECRC, MOV, VVC, VVC_PARSER LCEVC_PARSER) += fate-mpegts-lcevc-vvc-dual-track
 fate-mpegts-lcevc-vvc-dual-track: CMD = stream_demux mpegts $(TARGET_SAMPLES)/lcevc/L_VVC_640x360p_8bit8bit_2D_dd_dualTrack.ts \
-  "" "-c:v copy -map 0" \
+  "" "-c:v copy -map 0:1" \
   "-show_entries stream_group=index,id,nb_streams,type:stream=index,id,codec_name"
 
 FATE_SAMPLES_FFPROBE += $(FATE_MPEGTS_PROBE-yes)
diff --git a/tests/ref/fate/mpegts-lcevc-h264-dual-track b/tests/ref/fate/mpegts-lcevc-h264-dual-track
index 6779d96ee5..73c6c7374a 100644
--- a/tests/ref/fate/mpegts-lcevc-h264-dual-track
+++ b/tests/ref/fate/mpegts-lcevc-h264-dual-track
@@ -1,75 +1,39 @@
-#extradata 0:       39, 0xbce50b14
-#extradata 1:       28, 0x62a0074d
+#extradata 0:       28, 0x62a0074d
 #tb 0: 1/90000
 #media_type 0: video
-#codec_id 0: h264
-#dimensions 0: 320x180
-#sar 0: 1/1
-#tb 1: 1/90000
-#media_type 1: video
-#codec_id 1: lcevc
-#dimensions 1: 640x360
-#sar 1: 0/1
-0,      -6000,          0,     3000,    13439, 0x9e68d19b, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      -6000,          0,     3000,     1965, 0xb8dab7cb, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      -3000,      15000,     3000,      990, 0x87a3dd36, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      -3000,      15000,     3000,      187, 0xd07d53eb, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,          0,       6000,     3000,       36, 0x9c8e0b20, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,          0,       6000,     3000,       29, 0x909a0a04, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,       3000,       3000,     3000,       21, 0x21e90549, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,       3000,       3000,     3000,       22, 0x4fce0846, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,       6000,       9000,     3000,       26, 0x462f07f9, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,       6000,       9000,     3000,      152, 0x1f4345ba, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,       9000,      12000,     3000,       51, 0xa052141d, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,       9000,      12000,     3000,      479, 0xf21fd21a, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      12000,      30000,     3000,     1217, 0xad6057a9, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      12000,      30000,     3000,      497, 0xccfbcea5, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      15000,      21000,     3000,      134, 0xc4c73900, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      15000,      21000,     3000,      265, 0x83bc7f47, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      18000,      18000,     3000,       45, 0x47ce10e6, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      18000,      18000,     3000,      285, 0x368f72bc, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      21000,      24000,     3000,       37, 0xdc250e18, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      21000,      24000,     3000,      226, 0x571257dd, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      24000,      27000,     3000,       65, 0x9bb81fce, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      24000,      27000,     3000,      243, 0xa96170fa, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      27000,      45000,     3000,     1263, 0x32f074ca, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      27000,      45000,     3000,      358, 0x45ffa1fb, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      30000,      36000,     3000,       70, 0xdfc71f4b, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      30000,      36000,     3000,      167, 0x1af243de, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      33000,      33000,     3000,       56, 0x2e11158d, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      33000,      33000,     3000,      210, 0x10ce596d, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      36000,      39000,     3000,       64, 0x5bc12056, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      36000,      39000,     3000,      193, 0x997b4e2d, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      39000,      42000,     3000,       44, 0x2cdf1172, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      39000,      42000,     3000,      167, 0xe1404217, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      42000,      60000,     3000,     1738, 0x526859bd, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      42000,      60000,     3000,      302, 0x7462828a, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      45000,      51000,     3000,      110, 0x2e5030f1, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      45000,      51000,     3000,      978, 0xf712deca, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      48000,      48000,     3000,       57, 0x3b4e181f, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      48000,      48000,     3000,      170, 0xeb414130, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      51000,      54000,     3000,       40, 0xb2410a90, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      51000,      54000,     3000,       79, 0x9d8616dc, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      54000,      57000,     3000,       48, 0xb22715eb, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      54000,      57000,     3000,      185, 0xb7954514, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      57000,      75000,     3000,     2098, 0x897a07e8, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      57000,      75000,     3000,      230, 0x974b6ff8, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      60000,      66000,     3000,      129, 0x81283362, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      60000,      66000,     3000,      264, 0xa27483da, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      63000,      63000,     3000,       57, 0x69a119c6, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      63000,      63000,     3000,      175, 0xa678448a, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      66000,      69000,     3000,       52, 0xa81a1463, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      66000,      69000,     3000,      160, 0x7d423c5c, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      69000,      72000,     3000,       40, 0x05501073, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      69000,      72000,     3000,      302, 0x12788d97, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      72000,      87000,     3000,      609, 0xee9127a6, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      72000,      87000,     3000,      122, 0xe5bf2b1f, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      75000,      81000,     3000,      101, 0xf43d2b96, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      75000,      81000,     3000,      175, 0x17244a4e, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      78000,      78000,     3000,       44, 0x18410f62, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      78000,      78000,     3000,      131, 0x1c0d2a8a, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      81000,      84000,     3000,       83, 0x803a2817, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      81000,      84000,     3000,      391, 0xe4e0b1f6, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+#codec_id 0: lcevc
+#dimensions 0: 640x360
+#sar 0: 0/1
+0,      -6000,          0,     3000,     1965, 0xb8dab7cb, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      -3000,      15000,     3000,      187, 0xd07d53eb, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,          0,       6000,     3000,       29, 0x909a0a04, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,       3000,       3000,     3000,       22, 0x4fce0846, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,       6000,       9000,     3000,      152, 0x1f4345ba, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,       9000,      12000,     3000,      479, 0xf21fd21a, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      12000,      30000,     3000,      497, 0xccfbcea5, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      15000,      21000,     3000,      265, 0x83bc7f47, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      18000,      18000,     3000,      285, 0x368f72bc, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      21000,      24000,     3000,      226, 0x571257dd, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      24000,      27000,     3000,      243, 0xa96170fa, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      27000,      45000,     3000,      358, 0x45ffa1fb, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      30000,      36000,     3000,      167, 0x1af243de, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      33000,      33000,     3000,      210, 0x10ce596d, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      36000,      39000,     3000,      193, 0x997b4e2d, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      39000,      42000,     3000,      167, 0xe1404217, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      42000,      60000,     3000,      302, 0x7462828a, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      45000,      51000,     3000,      978, 0xf712deca, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      48000,      48000,     3000,      170, 0xeb414130, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      51000,      54000,     3000,       79, 0x9d8616dc, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      54000,      57000,     3000,      185, 0xb7954514, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      57000,      75000,     3000,      230, 0x974b6ff8, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      60000,      66000,     3000,      264, 0xa27483da, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      63000,      63000,     3000,      175, 0xa678448a, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      66000,      69000,     3000,      160, 0x7d423c5c, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      69000,      72000,     3000,      302, 0x12788d97, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      72000,      87000,     3000,      122, 0xe5bf2b1f, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      75000,      81000,     3000,      175, 0x17244a4e, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      78000,      78000,     3000,      131, 0x1c0d2a8a, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      81000,      84000,     3000,      391, 0xe4e0b1f6, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
 [PROGRAM]
 [STREAM]
 index=0
diff --git a/tests/ref/fate/mpegts-lcevc-hevc-dual-track b/tests/ref/fate/mpegts-lcevc-hevc-dual-track
index 906e44a607..02c673c6b4 100644
--- a/tests/ref/fate/mpegts-lcevc-hevc-dual-track
+++ b/tests/ref/fate/mpegts-lcevc-hevc-dual-track
@@ -1,75 +1,39 @@
-#extradata 0:       85, 0x17ac0df1
-#extradata 1:       28, 0x62a0074d
+#extradata 0:       28, 0x62a0074d
 #tb 0: 1/90000
 #media_type 0: video
-#codec_id 0: hevc
-#dimensions 0: 320x180
+#codec_id 0: lcevc
+#dimensions 0: 640x360
 #sar 0: 0/1
-#tb 1: 1/90000
-#media_type 1: video
-#codec_id 1: lcevc
-#dimensions 1: 640x360
-#sar 1: 0/1
-0,      -6000,          0,     3000,    15399, 0x8dd63be5, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      -6000,          0,     3000,    12989, 0xd4a4c6cb, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      -3000,      12000,     3000,      993, 0x231af19f, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      -3000,      12000,     3000,      186, 0x785c535a, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,          0,       6000,     3000,      101, 0x85832a32, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,          0,       6000,     3000,       49, 0x70680ea8, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,       3000,       3000,     3000,       66, 0xea761a13, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,       3000,       3000,     3000,       78, 0xc9961670, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,       6000,       9000,     3000,       63, 0xaf6617ba, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,       6000,       9000,     3000,      372, 0x98bfb4e8, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,       9000,      24000,     3000,     1890, 0x8eb0acfb, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,       9000,      24000,     3000,      324, 0x754c831b, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      12000,      18000,     3000,      107, 0xbd3f284d, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      12000,      18000,     3000,      467, 0x97b6e75e, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      15000,      15000,     3000,       78, 0xf89c2343, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      15000,      15000,     3000,      330, 0x5fd3a240, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      18000,      21000,     3000,       73, 0xa6771d6b, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      18000,      21000,     3000,      379, 0x5b8dadc0, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      21000,      27000,     3000,     1265, 0xce6a65de, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      21000,      27000,     3000,      590, 0x0c012d57, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      24000,      42000,     3000,     1843, 0xe3c5851c, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      24000,      42000,     3000,      308, 0xe7ec8c9a, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      27000,      36000,     3000,       93, 0x6cec297d, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      27000,      36000,     3000,      263, 0x4aa76ee4, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      30000,      30000,     3000,       99, 0x35df2a03, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      30000,      30000,     3000,      360, 0x0534b318, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      33000,      33000,     3000,       85, 0xe1c9260d, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      33000,      33000,     3000,      376, 0x9135a953, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      36000,      39000,     3000,       76, 0x1d361fb3, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      36000,      39000,     3000,      292, 0x3c64760f, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      39000,      45000,     3000,     1078, 0xd29026a4, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      39000,      45000,     3000,      207, 0xed435817, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      42000,      60000,     3000,     1991, 0x7557e3f2, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      42000,      60000,     3000,      219, 0x20325656, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      45000,      54000,     3000,      121, 0x5cee350e, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      45000,      54000,     3000,      173, 0x9b0052da, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      48000,      48000,     3000,       97, 0x9ce927ed, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      48000,      48000,     3000,      312, 0xea838992, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      51000,      51000,     3000,       91, 0x0c5525c2, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      51000,      51000,     3000,      267, 0x1c456ce5, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      54000,      57000,     3000,       64, 0xaff51996, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      54000,      57000,     3000,      252, 0x82426c2c, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      57000,      72000,     3000,     1483, 0xd2c2cbf4, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      57000,      72000,     3000,      141, 0x03383b3e, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      60000,      66000,     3000,       98, 0x635028aa, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      60000,      66000,     3000,      168, 0xc99c43d0, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      63000,      63000,     3000,       69, 0x69541de5, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      63000,      63000,     3000,      150, 0x6f153b07, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      66000,      69000,     3000,       71, 0x831a1e4a, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      66000,      69000,     3000,      168, 0xe73b427c, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      69000,      87000,     3000,      179, 0xdc325270, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      69000,      87000,     3000,      113, 0x6a621efe, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      72000,      81000,     3000,      320, 0x0c4391c6, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      72000,      81000,     3000,       87, 0xf86a15ee, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      75000,      75000,     3000,      423, 0x8e4acade, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      75000,      75000,     3000,      139, 0xb0f93bbf, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      78000,      78000,     3000,     1048, 0x0a09ff27, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      78000,      78000,     3000,      103, 0x303b27b7, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      81000,      84000,     3000,      611, 0xf5f72936, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      81000,      84000,     3000,      136, 0x1f1a3853, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      -6000,          0,     3000,    12989, 0xd4a4c6cb, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      -3000,      12000,     3000,      186, 0x785c535a, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,          0,       6000,     3000,       49, 0x70680ea8, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,       3000,       3000,     3000,       78, 0xc9961670, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,       6000,       9000,     3000,      372, 0x98bfb4e8, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,       9000,      24000,     3000,      324, 0x754c831b, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      12000,      18000,     3000,      467, 0x97b6e75e, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      15000,      15000,     3000,      330, 0x5fd3a240, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      18000,      21000,     3000,      379, 0x5b8dadc0, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      21000,      27000,     3000,      590, 0x0c012d57, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      24000,      42000,     3000,      308, 0xe7ec8c9a, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      27000,      36000,     3000,      263, 0x4aa76ee4, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      30000,      30000,     3000,      360, 0x0534b318, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      33000,      33000,     3000,      376, 0x9135a953, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      36000,      39000,     3000,      292, 0x3c64760f, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      39000,      45000,     3000,      207, 0xed435817, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      42000,      60000,     3000,      219, 0x20325656, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      45000,      54000,     3000,      173, 0x9b0052da, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      48000,      48000,     3000,      312, 0xea838992, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      51000,      51000,     3000,      267, 0x1c456ce5, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      54000,      57000,     3000,      252, 0x82426c2c, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      57000,      72000,     3000,      141, 0x03383b3e, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      60000,      66000,     3000,      168, 0xc99c43d0, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      63000,      63000,     3000,      150, 0x6f153b07, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      66000,      69000,     3000,      168, 0xe73b427c, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      69000,      87000,     3000,      113, 0x6a621efe, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      72000,      81000,     3000,       87, 0xf86a15ee, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      75000,      75000,     3000,      139, 0xb0f93bbf, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      78000,      78000,     3000,      103, 0x303b27b7, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
+0,      81000,      84000,     3000,      136, 0x1f1a3853, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
 [PROGRAM]
 [STREAM]
 index=0
diff --git a/tests/ref/fate/mpegts-lcevc-vvc-dual-track b/tests/ref/fate/mpegts-lcevc-vvc-dual-track
index e76306b7d6..67b9353515 100644
--- a/tests/ref/fate/mpegts-lcevc-vvc-dual-track
+++ b/tests/ref/fate/mpegts-lcevc-vvc-dual-track
@@ -1,75 +1,39 @@
-#extradata 0:       60, 0x43210bfe
-#extradata 1:       28, 0x62a0074d
+#extradata 0:       28, 0x62a0074d
 #tb 0: 1/90000
 #media_type 0: video
-#codec_id 0: vvc
-#dimensions 0: 320x180
+#codec_id 0: lcevc
+#dimensions 0: 640x360
 #sar 0: 0/1
-#tb 1: 1/90000
-#media_type 1: video
-#codec_id 1: lcevc
-#dimensions 1: 640x360
-#sar 1: 0/1
-0,      -9000,          0,     3000,    15194, 0x43c98187, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      -9000,          0,     3000,    15162, 0x3c04da92, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      -6000,      24000,     3000,      932, 0xf8d6cab5, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      -6000,      24000,     3000,      444, 0x99acb8c2, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-0,      -3000,      12000,     3000,       54, 0xca2d15c5, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
-1,      -3000,      12000,     3000,      880, 0x7084b2e9, F=0x0, S=1, MPEGTS Stream ID,        1, 0x00e000e0
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