ffmpeg | branch: master | James Almer <jamr...@gmail.com> | Mon Feb 17 12:44:18 
2020 -0300| [601d5744404990db92a0d6e13274a158cb13b157] | committer: James Almer

avformat/dashenc: warn if Producer Reference Time element option is missing 
when ldash mode is used

Signed-off-by: James Almer <jamr...@gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=601d5744404990db92a0d6e13274a158cb13b157
---

 libavformat/dashenc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c
index 45885ac781..c89aa3a32c 100644
--- a/libavformat/dashenc.c
+++ b/libavformat/dashenc.c
@@ -1404,6 +1404,10 @@ static int dash_init(AVFormatContext *s)
         c->write_prft = 0;
     }
 
+    if (c->ldash && !c->write_prft) {
+        av_log(s, AV_LOG_WARNING, "Low Latency mode enabled without Producer 
Reference Time element option! Resulting manifest may not be complaint\n");
+    }
+
     if (c->target_latency && !c->write_prft) {
         av_log(s, AV_LOG_WARNING, "Target latency option will be ignored as 
Producer Reference Time element will not be written\n");
         c->target_latency = 0;

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