[FFmpeg-cvslog] ffmpeg: explicitly write headers for files with no streams

Hendrik Leppkes git at videolan.org
Fri Oct 7 17:07:54 EEST 2016


ffmpeg | branch: master | Hendrik Leppkes <h.leppkes at gmail.com> | Fri Oct  7 15:44:39 2016 +0200| [ab7e83efed9c8fb30777287304c0de3cc614ce57] | committer: Hendrik Leppkes

ffmpeg: explicitly write headers for files with no streams

Recent changes to ffmpeg.c tied output file init to stream init, which broke
stream-less files, specifically ffmetadata output.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ab7e83efed9c8fb30777287304c0de3cc614ce57
---

 ffmpeg.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/ffmpeg.c b/ffmpeg.c
index 454e193..49d91be 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -3460,6 +3460,16 @@ static int transcode_init(void)
         }
     }
 
+    /* write headers for files with no streams */
+    for (i = 0; i < nb_output_files; i++) {
+        oc = output_files[i]->ctx;
+        if (oc->oformat->flags & AVFMT_NOSTREAMS && oc->nb_streams == 0) {
+            ret = check_init_output_file(output_files[i], i);
+            if (ret < 0)
+                goto dump_format;
+        }
+    }
+
  dump_format:
     /* dump the stream mapping */
     av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");



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