diff --git a/libavformat/isom.h b/libavformat/isom.h
index ff009b0896..fdd98c28f5 100644
--- a/libavformat/isom.h
+++ b/libavformat/isom.h
@@ -137,6 +137,7 @@ typedef struct MOVStreamContext {
     unsigned int stts_count;
     MOVStts *stts_data;
     unsigned int ctts_count;
+    unsigned int ctts_allocated_size;
     MOVStts *ctts_data;
     unsigned int stsc_count;
     MOVStsc *stsc_data;
diff --git a/libavformat/mov.c b/libavformat/mov.c
index a14c9f182b..876f48d912 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -74,6 +74,8 @@ typedef struct MOVParseTableEntry {
 
 static int mov_read_default(MOVContext *c, AVIOContext *pb, MOVAtom atom);
 static int mov_read_mfra(MOVContext *c, AVIOContext *f);
+static int64_t add_ctts_entry(MOVStts** ctts_data, unsigned int* ctts_count, unsigned int* allocated_size,
+                              int count, int duration);
 
 static int mov_metadata_track_or_disc_number(MOVContext *c, AVIOContext *pb,
                                              unsigned len, const char *key)
@@ -2711,7 +2713,7 @@ static int mov_read_ctts(MOVContext *c, AVIOContext *pb, MOVAtom atom)
 {
     AVStream *st;
     MOVStreamContext *sc;
-    unsigned int i, entries, ctts_count = 0;
+    unsigned int i, j, entries, ctts_count = 0;
 
     if (c->fc->nb_streams < 1)
         return 0;
@@ -2729,7 +2731,7 @@ static int mov_read_ctts(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     if (entries >= UINT_MAX / sizeof(*sc->ctts_data))
         return AVERROR_INVALIDDATA;
     av_freep(&sc->ctts_data);
-    sc->ctts_data = av_realloc(NULL, entries * sizeof(*sc->ctts_data));
+    sc->ctts_data = av_fast_realloc(NULL, &sc->ctts_allocated_size, entries * sizeof(*sc->ctts_data));
     if (!sc->ctts_data)
         return AVERROR(ENOMEM);
 
@@ -2744,9 +2746,9 @@ static int mov_read_ctts(MOVContext *c, AVIOContext *pb, MOVAtom atom)
             continue;
         }
 
-        sc->ctts_data[ctts_count].count    = count;
-        sc->ctts_data[ctts_count].duration = duration;
-        ctts_count++;
+        /* Expand entries such that we have a 1-1 mapping with samples. */
+        for (j = 0; j < count; j++)
+            add_ctts_entry(&sc->ctts_data, &ctts_count, &sc->ctts_allocated_size, 1, duration);
 
         av_log(c->fc, AV_LOG_TRACE, "count=%d, duration=%d\n",
                 count, duration);
@@ -3049,7 +3051,6 @@ static void mov_fix_index(MOVContext *mov, AVStream *st)
     int64_t index;
     int64_t index_ctts_count;
     int flags;
-    unsigned int ctts_allocated_size = 0;
     int64_t start_dts = 0;
     int64_t edit_list_media_time_dts = 0;
     int64_t edit_list_start_encountered = 0;
@@ -3084,6 +3085,7 @@ static void mov_fix_index(MOVContext *mov, AVStream *st)
     msc->ctts_count = 0;
     msc->ctts_index = 0;
     msc->ctts_sample = 0;
+    msc->ctts_allocated_size = 0;
 
     // If the dts_shift is positive (in case of negative ctts values in mov),
     // then negate the DTS by dts_shift
@@ -3193,7 +3195,7 @@ static void mov_fix_index(MOVContext *mov, AVStream *st)
                 ctts_sample_old++;
                 if (ctts_sample_old == ctts_data_old[ctts_index_old].count) {
                     if (add_ctts_entry(&msc->ctts_data, &msc->ctts_count,
-                                       &ctts_allocated_size,
+                                       &msc->ctts_allocated_size,
                                        ctts_data_old[ctts_index_old].count - edit_list_start_ctts_sample,
                                        ctts_data_old[ctts_index_old].duration) == -1) {
                         av_log(mov->fc, AV_LOG_ERROR, "Cannot add CTTS entry %"PRId64" - {%"PRId64", %d}\n",
@@ -3292,7 +3294,7 @@ static void mov_fix_index(MOVContext *mov, AVStream *st)
 
                 if (ctts_data_old && ctts_sample_old != 0) {
                     if (add_ctts_entry(&msc->ctts_data, &msc->ctts_count,
-                                       &ctts_allocated_size,
+                                       &msc->ctts_allocated_size,
                                        ctts_sample_old - edit_list_start_ctts_sample,
                                        ctts_data_old[ctts_index_old].duration) == -1) {
                         av_log(mov->fc, AV_LOG_ERROR, "Cannot add CTTS entry %"PRId64" - {%"PRId64", %d}\n",
@@ -4262,7 +4264,7 @@ static int mov_read_trun(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     int64_t dts;
     int data_offset = 0;
     unsigned entries, first_sample_flags = frag->flags;
-    int flags, distance, i, err, old_nb_index_entries;
+    int flags, distance, i;
 
     for (i = 0; i < c->fc->nb_streams; i++) {
         if (c->fc->streams[i]->id == frag->track_id) {
@@ -4290,21 +4292,20 @@ static int mov_read_trun(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     if (!sc->ctts_count && sc->sample_count)
     {
         /* Complement ctts table if moov atom doesn't have ctts atom. */
-        ctts_data = av_realloc(NULL, sizeof(*sc->ctts_data));
+        ctts_data = av_fast_realloc(NULL, &sc->ctts_allocated_size, sizeof(*sc->ctts_data) * sc->sample_count);
         if (!ctts_data)
             return AVERROR(ENOMEM);
+        /* Don't use a count greater than 1 here since it will leave a gap in
+         * the ctts index which the code below relies on being sequential. */
         sc->ctts_data = ctts_data;
-        sc->ctts_data[sc->ctts_count].count = sc->sample_count;
-        sc->ctts_data[sc->ctts_count].duration = 0;
-        sc->ctts_count++;
+        for (i = 0; i < sc->sample_count; i++) {
+            sc->ctts_data[sc->ctts_count].count = 1;
+            sc->ctts_data[sc->ctts_count].duration = 0;
+            sc->ctts_count++;
+        }
     }
     if ((uint64_t)entries+sc->ctts_count >= UINT_MAX/sizeof(*sc->ctts_data))
         return AVERROR_INVALIDDATA;
-    if ((err = av_reallocp_array(&sc->ctts_data, entries + sc->ctts_count,
-                                 sizeof(*sc->ctts_data))) < 0) {
-        sc->ctts_count = 0;
-        return err;
-    }
     if (flags & MOV_TRUN_DATA_OFFSET)        data_offset        = avio_rb32(pb);
     if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS) first_sample_flags = avio_rb32(pb);
     dts    = sc->track_end - sc->time_offset;
@@ -4315,26 +4316,28 @@ static int mov_read_trun(MOVContext *c, AVIOContext *pb, MOVAtom atom)
         unsigned sample_size = frag->size;
         int sample_flags = i ? frag->flags : first_sample_flags;
         unsigned sample_duration = frag->duration;
+        unsigned ctts_duration = 0;
         int keyframe = 0;
+        int ctts_index = 0;
+        int old_nb_index_entries = st->nb_index_entries;
 
         if (flags & MOV_TRUN_SAMPLE_DURATION) sample_duration = avio_rb32(pb);
         if (flags & MOV_TRUN_SAMPLE_SIZE)     sample_size     = avio_rb32(pb);
         if (flags & MOV_TRUN_SAMPLE_FLAGS)    sample_flags    = avio_rb32(pb);
-        sc->ctts_data[sc->ctts_count].count = 1;
-        sc->ctts_data[sc->ctts_count].duration = (flags & MOV_TRUN_SAMPLE_CTS) ?
-                                                  avio_rb32(pb) : 0;
-        mov_update_dts_shift(sc, sc->ctts_data[sc->ctts_count].duration);
+        if (flags & MOV_TRUN_SAMPLE_CTS)      ctts_duration   = avio_rb32(pb);
+
+        mov_update_dts_shift(sc, ctts_duration);
         if (frag->time != AV_NOPTS_VALUE) {
             if (c->use_mfra_for == FF_MOV_FLAG_MFRA_PTS) {
                 int64_t pts = frag->time;
                 av_log(c->fc, AV_LOG_DEBUG, "found frag time %"PRId64
                         " sc->dts_shift %d ctts.duration %d"
                         " sc->time_offset %"PRId64" flags & MOV_TRUN_SAMPLE_CTS %d\n", pts,
-                        sc->dts_shift, sc->ctts_data[sc->ctts_count].duration,
+                        sc->dts_shift, ctts_duration,
                         sc->time_offset, flags & MOV_TRUN_SAMPLE_CTS);
                 dts = pts - sc->dts_shift;
                 if (flags & MOV_TRUN_SAMPLE_CTS) {
-                    dts -= sc->ctts_data[sc->ctts_count].duration;
+                    dts -= ctts_duration;
                 } else {
                     dts -= sc->time_offset;
                 }
@@ -4346,7 +4349,7 @@ static int mov_read_trun(MOVContext *c, AVIOContext *pb, MOVAtom atom)
             }
             frag->time = AV_NOPTS_VALUE;
         }
-        sc->ctts_count++;
+
         if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
             keyframe = 1;
         else
@@ -4355,19 +4358,38 @@ static int mov_read_trun(MOVContext *c, AVIOContext *pb, MOVAtom atom)
                                   MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES));
         if (keyframe)
             distance = 0;
-        old_nb_index_entries = st->nb_index_entries;
-        err = av_add_index_entry(st, offset, dts, sample_size, distance,
-                                 keyframe ? AVINDEX_KEYFRAME : 0);
-        if (err < 0) {
+        ctts_index = av_add_index_entry(st, offset, dts, sample_size, distance,
+                                        keyframe ? AVINDEX_KEYFRAME : 0);
+        if (ctts_index >= 0 && old_nb_index_entries < st->nb_index_entries) {
+            unsigned int size_needed = st->nb_index_entries * sizeof(*sc->ctts_data);
+            unsigned int request_size = size_needed > sc->ctts_allocated_size ?
+                FFMAX(size_needed, 2 * sc->ctts_allocated_size) : size_needed;
+            ctts_data = av_fast_realloc(sc->ctts_data, &sc->ctts_allocated_size, request_size);
+            if (!ctts_data) {
+                av_freep(&sc->ctts_data);
+                return AVERROR(ENOMEM);
+            }
+
+            sc->ctts_data = ctts_data;
+            if (ctts_index != old_nb_index_entries) {
+                memmove(sc->ctts_data + ctts_index + 1, sc->ctts_data + ctts_index,
+                        sizeof(*sc->ctts_data) * (sc->ctts_count - ctts_index));
+                if (ctts_index <= sc->current_sample) {
+                    // if we inserted a new item before the current sample, move the
+                    // counter ahead so it is still pointing to the same sample.
+                    sc->current_sample++;
+                }
+            }
+
+            sc->ctts_data[ctts_index].count = 1;
+            sc->ctts_data[ctts_index].duration = ctts_duration;
+            sc->ctts_count++;
+        } else {
             av_log(c->fc, AV_LOG_ERROR, "Failed to add index entry\n");
-        } else if (err <= sc->current_sample && err + 1 != st->nb_index_entries &&
-            st->nb_index_entries != old_nb_index_entries) {
-            // if we inserted a new item before the current sample, move the
-            // counter ahead so it is still pointing to the same sample.
-            sc->current_sample++;
         }
+
         av_log(c->fc, AV_LOG_TRACE, "AVIndex stream %d, sample %d, offset %"PRIx64", dts %"PRId64", "
-                "size %u, distance %d, keyframe %d\n", st->index, err,
+                "size %u, distance %d, keyframe %d\n", st->index, ctts_index,
                 offset, dts, sample_size, distance, keyframe);
         distance++;
         dts += sample_duration;
diff --git a/tests/fate/seek.mak b/tests/fate/seek.mak
index f835da5226..1a6e584987 100644
--- a/tests/fate/seek.mak
+++ b/tests/fate/seek.mak
@@ -248,7 +248,10 @@ FATE_SEEK += $(FATE_SEEK_LAVF-yes:%=fate-seek-lavf-%)
 FATE_SEEK_EXTRA-$(CONFIG_MP3_DEMUXER)   += fate-seek-extra-mp3
 FATE_SEEK_EXTRA-$(call ALLYES, CACHE_PROTOCOL PIPE_PROTOCOL MP3_DEMUXER) += fate-seek-cache-pipe
 FATE_SEEK_EXTRA-$(CONFIG_MATROSKA_DEMUXER) += fate-seek-mkv-codec-delay
+FATE_SEEK_EXTRA-$(CONFIG_MOV_DEMUXER) += fate-seek-extra-mp4
+
 fate-seek-extra-mp3:  CMD = run libavformat/tests/seek$(EXESUF) $(TARGET_SAMPLES)/gapless/gapless.mp3 -fastseek 1
+fate-seek-extra-mp4:  CMD = run libavformat/tests/seek$(EXESUF) $(TARGET_SAMPLES)/mov/buck480p30_na.mp4 -duration 180 -frames 4
 fate-seek-cache-pipe: CMD = cat $(TARGET_SAMPLES)/gapless/gapless.mp3 | run libavformat/tests/seek$(EXESUF) cache:pipe:0 -read_ahead_limit -1
 fate-seek-mkv-codec-delay:   CMD = run libavformat/tests/seek$(EXESUF) $(TARGET_SAMPLES)/mkv/codec_delay_opus.mkv
 
diff --git a/tests/ref/seek/extra-mp4 b/tests/ref/seek/extra-mp4
new file mode 100644
index 0000000000..c25544c095
--- /dev/null
+++ b/tests/ref/seek/extra-mp4
@@ -0,0 +1,134 @@
+ret: 0         st: 0 flags:1 dts:-0.033333 pts: 0.000000 pos:   1287 size:   183
+ret: 0         st: 0 flags:0 dts: 0.000000 pts: 0.033333 pos:   1470 size:    24
+ret: 0         st: 0 flags:0 dts: 0.033333 pts: 0.066667 pos:   1494 size:  6779
+ret: 0         st: 0 flags:0 dts: 0.066667 pts: 0.100000 pos:   8273 size: 11041
+ret: 0         st:-1 flags:0  ts:-1.000000
+ret: 0         st: 0 flags:1 dts:-0.033333 pts: 0.000000 pos:   1287 size:   183
+ret: 0         st: 0 flags:0 dts: 0.000000 pts: 0.033333 pos:   1470 size:    24
+ret: 0         st: 0 flags:0 dts: 0.033333 pts: 0.066667 pos:   1494 size:  6779
+ret: 0         st: 0 flags:0 dts: 0.066667 pts: 0.100000 pos:   8273 size: 11041
+ret: 0         st:-1 flags:1  ts: 101.894167
+ret: 0         st: 0 flags:1 dts: 101.300000 pts: 101.333333 pos:10982311 size: 67237
+ret: 0         st: 0 flags:0 dts: 101.333333 pts: 101.433333 pos:11049548 size:  3524
+ret: 0         st: 0 flags:0 dts: 101.366667 pts: 101.366667 pos:11053072 size:   562
+ret: 0         st: 0 flags:0 dts: 101.400000 pts: 101.400000 pos:11053634 size:   599
+ret: 0         st: 0 flags:0  ts: 24.788333
+ret: 0         st: 0 flags:1 dts: 25.300000 pts: 25.333333 pos:2607246 size: 40273
+ret: 0         st: 0 flags:0 dts: 25.333333 pts: 25.433333 pos:2647519 size:  2959
+ret: 0         st: 0 flags:0 dts: 25.366667 pts: 25.366667 pos:2650478 size:   197
+ret: 0         st: 0 flags:0 dts: 25.400000 pts: 25.400000 pos:2650675 size:   230
+ret: 0         st: 0 flags:1  ts: 127.682500
+ret: 0         st: 0 flags:1 dts: 126.633333 pts: 126.666667 pos:13359975 size: 68741
+ret: 0         st: 0 flags:0 dts: 126.666667 pts: 126.766667 pos:13428716 size:  2914
+ret: 0         st: 0 flags:0 dts: 126.700000 pts: 126.700000 pos:13431630 size:   781
+ret: 0         st: 0 flags:0 dts: 126.733333 pts: 126.733333 pos:13432411 size:   817
+ret: 0         st:-1 flags:0  ts: 50.576668
+ret: 0         st: 0 flags:1 dts: 50.600000 pts: 50.633333 pos:5858254 size: 67903
+ret: 0         st: 0 flags:0 dts: 50.633333 pts: 50.733333 pos:5926157 size:  1307
+ret: 0         st: 0 flags:0 dts: 50.666667 pts: 50.666667 pos:5927464 size:   150
+ret: 0         st: 0 flags:0 dts: 50.700000 pts: 50.700000 pos:5927614 size:   176
+ret: 0         st:-1 flags:1  ts: 153.470835
+ret: 0         st: 0 flags:1 dts: 153.466667 pts: 153.500000 pos:15867700 size: 96169
+ret: 0         st: 0 flags:0 dts: 153.500000 pts: 153.533333 pos:15963869 size:   785
+ret: 0         st: 0 flags:0 dts: 153.533333 pts: 153.633333 pos:15964654 size:  3135
+ret: 0         st: 0 flags:0 dts: 153.566667 pts: 153.566667 pos:15967789 size:   859
+ret: 0         st: 0 flags:0  ts: 76.365000
+ret: 0         st: 0 flags:1 dts: 77.833333 pts: 77.866667 pos:8659657 size: 41182
+ret: 0         st: 0 flags:0 dts: 77.866667 pts: 77.966667 pos:8700839 size:  4197
+ret: 0         st: 0 flags:0 dts: 77.900000 pts: 77.900000 pos:8705036 size:   653
+ret: 0         st: 0 flags:0 dts: 77.933333 pts: 77.933333 pos:8705689 size:   751
+ret: 0         st: 0 flags:1  ts:-0.740833
+ret: 0         st: 0 flags:1 dts:-0.033333 pts: 0.000000 pos:   1287 size:   183
+ret: 0         st: 0 flags:0 dts: 0.000000 pts: 0.033333 pos:   1470 size:    24
+ret: 0         st: 0 flags:0 dts: 0.033333 pts: 0.066667 pos:   1494 size:  6779
+ret: 0         st: 0 flags:0 dts: 0.066667 pts: 0.100000 pos:   8273 size: 11041
+ret: 0         st:-1 flags:0  ts: 102.153336
+ret: 0         st: 0 flags:1 dts: 104.066667 pts: 104.100000 pos:11116461 size:112929
+ret: 0         st: 0 flags:0 dts: 104.100000 pts: 104.133333 pos:11229390 size:   585
+ret: 0         st: 0 flags:0 dts: 104.133333 pts: 104.166667 pos:11229975 size:   797
+ret: 0         st: 0 flags:0 dts: 104.166667 pts: 104.200000 pos:11230772 size:   810
+ret: 0         st:-1 flags:1  ts: 25.047503
+ret: 0         st: 0 flags:1 dts: 20.233333 pts: 20.266667 pos:2223959 size: 51823
+ret: 0         st: 0 flags:0 dts: 20.266667 pts: 20.300000 pos:2275782 size:   488
+ret: 0         st: 0 flags:0 dts: 20.300000 pts: 20.400000 pos:2276270 size:   670
+ret: 0         st: 0 flags:0 dts: 20.333333 pts: 20.333333 pos:2276940 size:    84
+ret: 0         st: 0 flags:0  ts: 127.941667
+ret: 0         st: 0 flags:1 dts: 131.233333 pts: 131.266667 pos:13727953 size: 62229
+ret: 0         st: 0 flags:0 dts: 131.266667 pts: 131.366667 pos:13790182 size:  2349
+ret: 0         st: 0 flags:0 dts: 131.300000 pts: 131.300000 pos:13792531 size:   571
+ret: 0         st: 0 flags:0 dts: 131.333333 pts: 131.333333 pos:13793102 size:  1190
+ret: 0         st: 0 flags:1  ts: 50.835833
+ret: 0         st: 0 flags:1 dts: 50.600000 pts: 50.633333 pos:5858254 size: 67903
+ret: 0         st: 0 flags:0 dts: 50.633333 pts: 50.733333 pos:5926157 size:  1307
+ret: 0         st: 0 flags:0 dts: 50.666667 pts: 50.666667 pos:5927464 size:   150
+ret: 0         st: 0 flags:0 dts: 50.700000 pts: 50.700000 pos:5927614 size:   176
+ret: 0         st:-1 flags:0  ts: 153.730004
+ret: 0         st: 0 flags:1 dts: 157.033333 pts: 157.066667 pos:16225365 size: 82738
+ret: 0         st: 0 flags:0 dts: 157.066667 pts: 157.166667 pos:16308103 size:  2273
+ret: 0         st: 0 flags:0 dts: 157.100000 pts: 157.100000 pos:16310376 size:   350
+ret: 0         st: 0 flags:0 dts: 157.133333 pts: 157.133333 pos:16310726 size:   337
+ret: 0         st:-1 flags:1  ts: 76.624171
+ret: 0         st: 0 flags:1 dts: 75.966667 pts: 76.000000 pos:8520178 size: 94395
+ret: 0         st: 0 flags:0 dts: 76.000000 pts: 76.100000 pos:8614573 size:   483
+ret: 0         st: 0 flags:0 dts: 76.033333 pts: 76.033333 pos:8615056 size:    37
+ret: 0         st: 0 flags:0 dts: 76.066667 pts: 76.066667 pos:8615093 size:    56
+ret: 0         st: 0 flags:0  ts:-0.481667
+ret: 0         st: 0 flags:1 dts:-0.033333 pts: 0.000000 pos:   1287 size:   183
+ret: 0         st: 0 flags:0 dts: 0.000000 pts: 0.033333 pos:   1470 size:    24
+ret: 0         st: 0 flags:0 dts: 0.033333 pts: 0.066667 pos:   1494 size:  6779
+ret: 0         st: 0 flags:0 dts: 0.066667 pts: 0.100000 pos:   8273 size: 11041
+ret: 0         st: 0 flags:1  ts: 102.412500
+ret: 0         st: 0 flags:1 dts: 101.300000 pts: 101.333333 pos:10982311 size: 67237
+ret: 0         st: 0 flags:0 dts: 101.333333 pts: 101.433333 pos:11049548 size:  3524
+ret: 0         st: 0 flags:0 dts: 101.366667 pts: 101.366667 pos:11053072 size:   562
+ret: 0         st: 0 flags:0 dts: 101.400000 pts: 101.400000 pos:11053634 size:   599
+ret: 0         st:-1 flags:0  ts: 25.306672
+ret: 0         st: 0 flags:1 dts: 27.400000 pts: 27.433333 pos:2674605 size:127383
+ret: 0         st: 0 flags:0 dts: 27.433333 pts: 27.466667 pos:2801988 size:    68
+ret: 0         st: 0 flags:0 dts: 27.466667 pts: 27.500000 pos:2802268 size:  1754
+ret: 0         st: 0 flags:0 dts: 27.500000 pts: 27.533333 pos:2804022 size:  4071
+ret: 0         st:-1 flags:1  ts: 128.200839
+ret: 0         st: 0 flags:1 dts: 127.833333 pts: 127.866667 pos:13514072 size: 67382
+ret: 0         st: 0 flags:0 dts: 127.866667 pts: 127.966667 pos:13581454 size:  2936
+ret: 0         st: 0 flags:0 dts: 127.900000 pts: 127.900000 pos:13584390 size:   451
+ret: 0         st: 0 flags:0 dts: 127.933333 pts: 127.933333 pos:13584841 size:   537
+ret: 0         st: 0 flags:0  ts: 51.095011
+ret: 0         st: 0 flags:1 dts: 52.033333 pts: 52.066667 pos:6028050 size:115809
+ret: 0         st: 0 flags:0 dts: 52.066667 pts: 52.166667 pos:6143859 size:  1620
+ret: 0         st: 0 flags:0 dts: 52.100000 pts: 52.100000 pos:6145479 size:    92
+ret: 0         st: 0 flags:0 dts: 52.133333 pts: 52.133333 pos:6145571 size:   533
+ret: 0         st: 0 flags:1  ts: 153.989178
+ret: 0         st: 0 flags:1 dts: 153.466667 pts: 153.500000 pos:15867700 size: 96169
+ret: 0         st: 0 flags:0 dts: 153.500000 pts: 153.533333 pos:15963869 size:   785
+ret: 0         st: 0 flags:0 dts: 153.533333 pts: 153.633333 pos:15964654 size:  3135
+ret: 0         st: 0 flags:0 dts: 153.566667 pts: 153.566667 pos:15967789 size:   859
+ret: 0         st:-1 flags:0  ts: 76.883340
+ret: 0         st: 0 flags:1 dts: 77.833333 pts: 77.866667 pos:8659657 size: 41182
+ret: 0         st: 0 flags:0 dts: 77.866667 pts: 77.966667 pos:8700839 size:  4197
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+ret: 0         st:-1 flags:1  ts:-0.222493
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+ret: 0         st: 0 flags:0  ts: 102.671678
+ret: 0         st: 0 flags:1 dts: 104.066667 pts: 104.100000 pos:11116461 size:112929
+ret: 0         st: 0 flags:0 dts: 104.100000 pts: 104.133333 pos:11229390 size:   585
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+ret: 0         st: 0 flags:0 dts: 104.166667 pts: 104.200000 pos:11230772 size:   810
+ret: 0         st: 0 flags:1  ts: 25.565844
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+ret: 0         st:-1 flags:0  ts: 128.460008
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+ret: 0         st: 0 flags:0 dts: 131.333333 pts: 131.333333 pos:13793102 size:  1190
+ret: 0         st:-1 flags:1  ts: 51.354175
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+ret: 0         st: 0 flags:0 dts: 50.700000 pts: 50.700000 pos:5927614 size:   176