[FFmpeg-devel] [PATCH 1/1] Prevent writing manifest files multiple times

[joepadmiraal]

---
 libavformat/dashenc.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c
index 1b74bce060..e4f7843e03 100644
--- a/libavformat/dashenc.c
+++ b/libavformat/dashenc.c
@@ -144,6 +144,8 @@ typedef struct DASHContext {
     int ignore_io_errors;
     int lhls;
     int master_publish_rate;
+    int nr_of_streams_to_flush;
+    int nr_of_streams_flushed;
 } DASHContext;
 
 static struct codec_string {
@@ -1079,6 +1081,7 @@ static int dash_init(AVFormatContext *s)
     char *ptr;
     char basename[1024];
 
+    c->nr_of_streams_to_flush = 0;
     if (c->single_file_name)
         c->single_file = 1;
     if (c->single_file)
@@ -1274,12 +1277,18 @@ static int dash_init(AVFormatContext *s)
         os->max_pts = AV_NOPTS_VALUE;
         os->last_dts = AV_NOPTS_VALUE;
         os->segment_index = 1;
+
+        if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
+            c->nr_of_streams_to_flush++;
     }
 
     if (!c->has_video && c->seg_duration <= 0) {
         av_log(s, AV_LOG_WARNING, "no video stream and no seg duration set\n");
         return AVERROR(EINVAL);
     }
+
+    c->nr_of_streams_flushed = 0;
+
     return 0;
 }
 
@@ -1565,8 +1574,14 @@ static int dash_flush(AVFormatContext *s, int final, int stream)
         }
     }
 
-    if (ret >= 0)
+    if (ret >= 0) {
+        c->nr_of_streams_flushed++;
+        if (c->nr_of_streams_flushed != c->nr_of_streams_to_flush)
+            return ret;
+
+        c->nr_of_streams_flushed = 0;
         ret = write_manifest(s, final);
+    }
     return ret;
 }
 
-- 
2.17.0