The branch, master has been updated
       via  cd4b01707dd8275fb6f77e9a4d5ddd6fb02eaeef (commit)
       via  0de3b1f3588e1fc9e292098902ac79d8dd9792bc (commit)
      from  2e1d702cfc5c530c213361e6a1b77dca847a30e7 (commit)


- Log -----------------------------------------------------------------
commit cd4b01707dd8275fb6f77e9a4d5ddd6fb02eaeef
Author:     Zhao Zhili <[email protected]>
AuthorDate: Sun Sep 28 17:35:41 2025 +0800
Commit:     Zhao Zhili <[email protected]>
CommitDate: Thu Oct 16 11:22:37 2025 +0800

    Revert "avformat/movenc: sidx earliest_presentation_time is applied after 
editlist"
    
    This reverts commit 301141b57636c4430e7440e8ff4956daf9cb0fb3.
    
    cluster[0].dts, pts and frag_info[0].time are already in presentation
    timeline, so they shouldn't be shift by start_pts.
    
    Signed-off-by: Zhao Zhili <[email protected]>

diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 067d38b14b..b76d56dac4 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -5690,8 +5690,7 @@ static int mov_write_sidx_tag(AVIOContext *pb,
 
     if (track->entry) {
         entries = 1;
-        presentation_time = track->cluster[0].dts + track->cluster[0].cts -
-                            track->start_dts - track->start_cts;
+        presentation_time = track->cluster[0].dts + track->cluster[0].cts;
         duration = track->end_pts -
                    (track->cluster[0].dts + track->cluster[0].cts);
         starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
@@ -5706,9 +5705,6 @@ static int mov_write_sidx_tag(AVIOContext *pb,
         if (entries <= 0)
             return 0;
         presentation_time = track->frag_info[0].time;
-        /* presentation_time <= 0 is handled by mov_add_tfra_entries() */
-        if (presentation_time > 0)
-            presentation_time -= track->start_dts + track->start_cts;
     }
 
     avio_wb32(pb, 0); /* size */
diff --git a/tests/ref/fate/movenc b/tests/ref/fate/movenc
index 5c12aeb29f..f2b95ea957 100644
--- a/tests/ref/fate/movenc
+++ b/tests/ref/fate/movenc
@@ -101,28 +101,28 @@ write_data len 1223, time nopts, type header atom ftyp
 041ac8efc35a0d023c26d05eedb20403 1223 delay-moov-elst-signal-init
 write_data len 1004, time -33333, type sync atom sidx
 write_data len 996, time 966667, type sync atom sidx
-69c9025ffb10302c7b5c2ed9fde86c44 996 delay-moov-elst-signal-second-frag
+5a583d89318827d2569eecbeaa18c238 996 delay-moov-elst-signal-second-frag
 write_data len 148, time nopts, type trailer atom -
 write_data len 1223, time nopts, type header atom ftyp
 041ac8efc35a0d023c26d05eedb20403 1223 delay-moov-elst-signal-init-discont
 write_data len 996, time 966667, type sync atom sidx
-69c9025ffb10302c7b5c2ed9fde86c44 996 delay-moov-elst-signal-second-frag-discont
+5a583d89318827d2569eecbeaa18c238 996 delay-moov-elst-signal-second-frag-discont
 write_data len 110, time nopts, type trailer atom -
 write_data len 1247, time nopts, type header atom ftyp
 80511a51d1ac9cde62337eed7176ae03 1247 
delay-moov-elst-signal-init-discont-largets
 write_data len 996, time 279621233333, type sync atom sidx
-471fc64644a6bf4065c489fe4e04be7d 996 
delay-moov-elst-signal-second-frag-discont-largets
+dc695d65e8a0cdafee28acd8a5ccf81a 996 
delay-moov-elst-signal-second-frag-discont-largets
 write_data len 110, time nopts, type trailer atom -
 write_data len 1223, time nopts, type header atom ftyp
 write_data len 2572, time -333333, type sync atom sidx
 write_data len 996, time 5166667, type sync atom sidx
 write_data len 148, time nopts, type trailer atom -
-5c873f6e37d5af09e3c6329cf94cd6ca 4939 vfr
+d37a7eda807912b9ed05ccfe003a9e4f 4939 vfr
 write_data len 1223, time nopts, type header atom ftyp
 write_data len 2572, time -333333, type sync atom sidx
 write_data len 996, time 5166667, type sync atom sidx
 write_data len 148, time nopts, type trailer atom -
-5c873f6e37d5af09e3c6329cf94cd6ca 4939 vfr-noduration
+d37a7eda807912b9ed05ccfe003a9e4f 4939 vfr-noduration
 write_data len 1231, time nopts, type header atom ftyp
 write_data len 1500, time -333333, type sync atom moof
 write_data len 1500, time nopts, type unknown atom -

commit 0de3b1f3588e1fc9e292098902ac79d8dd9792bc
Author:     Zhao Zhili <[email protected]>
AuthorDate: Sun Sep 28 17:23:05 2025 +0800
Commit:     Zhao Zhili <[email protected]>
CommitDate: Thu Oct 16 11:22:37 2025 +0800

    avformat/mov: don't shift sidx_pts
    
    sidx_pts is already in presentation time, so it shouldn't be shift
    by sc->time_offset again.
    
    Signed-off-by: Zhao Zhili <[email protected]>

diff --git a/libavformat/mov.c b/libavformat/mov.c
index 922e001e5e..a962594990 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -5845,7 +5845,7 @@ static int mov_read_trun(MOVContext *c, AVIOContext *pb, 
MOVAtom atom)
             } else if (has_sidx && !c->use_tfdt || fallback_sidx) {
                 // FIXME: sidx earliest_presentation_time is *PTS*, s.b.
                 // pts = frag_stream_info->sidx_pts;
-                dts = frag_stream_info->sidx_pts - sc->time_offset;
+                dts = frag_stream_info->sidx_pts;
                 av_log(c->fc, AV_LOG_DEBUG, "found sidx time %"PRId64
                         ", using it for dts\n", frag_stream_info->sidx_pts);
             } else {

-----------------------------------------------------------------------

Summary of changes:
 libavformat/mov.c     |  2 +-
 libavformat/movenc.c  |  6 +-----
 tests/ref/fate/movenc | 10 +++++-----
 3 files changed, 7 insertions(+), 11 deletions(-)


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