movenc-test: Add tests for negative cts offsets

Signed-off-by: Martin Storsjö <martin@martin.st>

1 files changed, 19 insertions, 0 deletions

diff --git a/libavformat/tests/movenc.c b/libavformat/tests/movenc.c
index 583a8d9ca4..f2aa662b3c 100644
--- a/libavformat/tests/movenc.c
+++ b/libavformat/tests/movenc.c
@@ -741,6 +741,25 @@ int main(int argc, char **argv)
     clear_duration = 0;
     do_interleave = 0;
 
+    // Write a fragmented file with b-frames and audio preroll,
+    // with negative cts values, removing the edit list for the
+    // video track.
+    init_out("delay-moov-elst-neg-cts");
+    av_dict_set(&opts, "movflags", "frag_keyframe+delay_moov+negative_cts_offsets", 0);
+    init(1, 1);
+    mux_gops(2);
+    finish();
+    close_out();
+
+    // Write a fragmented file with b-frames without audio preroll,
+    // with negative cts values, avoiding any edit lists, allowing
+    // to use empty_moov instead of delay_moov.
+    init_out("empty-moov-neg-cts");
+    av_dict_set(&opts, "movflags", "frag_keyframe+empty_moov+negative_cts_offsets", 0);
+    init(1, 0);
+    mux_gops(2);
+    finish();
+    close_out();
 
     av_free(md5);