[FFmpeg-devel] [PATCH] avformat/dashdec: In SegmentList mode, startNumber is reduced by one.

[jiangjie]

startNumber starts with 1 in avformat/dashenc.c, if startNumber is start with 1, the first segment file will be skipped.
---
 libavformat/dashdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/dashdec.c b/libavformat/dashdec.c
index 63070b77be..0263a41670 100644
--- a/libavformat/dashdec.c
+++ b/libavformat/dashdec.c
@@ -1027,7 +1027,7 @@ static int parse_manifest_representation(AVFormatContext *s, const char *url,
         }
         val = get_val_from_nodes_tab(segmentlists_tab, 3, "startNumber");
         if (val) {
-            rep->start_number = rep->first_seq_no = (int64_t) strtoll(val, NULL, 10);
+            rep->start_number = rep->first_seq_no = (int64_t) strtoll(val, NULL, 10) - 1;
             av_log(s, AV_LOG_TRACE, "rep->first_seq_no = [%"PRId64"]\n", rep->first_seq_no);
             xmlFree(val);
         }
-- 
2.43.0