[libav-devel] [PATCH 1/1] avconv: fix bitrate report when writing to /dev/null

[Janne Grunau]

avio_size() reports the filesize which returns 0 for /dev/null.
avio_tell() reports the current position.

Also handle errors from avio_tell().
---
 avconv.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/avconv.c b/avconv.c
index bf1e2fa..54a0e2a 100644
--- a/avconv.c
+++ b/avconv.c
@@ -807,8 +807,15 @@ static void print_report(int is_last_report, int64_t 
timer_start)
     oc = output_files[0]->ctx;
 
     total_size = avio_size(oc->pb);
-    if (total_size < 0) // FIXME improve avio_size() so it works with non 
seekable output too
+    if (total_size <= 0) // FIXME improve avio_size() so it works with non 
seekable output too
         total_size = avio_tell(oc->pb);
+    if (total_size < 0) {
+        char errbuf[128];
+        av_strerror(total_size, errbuf, sizeof(errbuf));
+        av_log(NULL, AV_LOG_VERBOSE, "Bitrate not available, "
+               "avio_tell() failed: %s\n", errbuf);
+        total_size = 0;
+    }
 
     buf[0] = '\0';
     ti1 = 1e10;
-- 
1.7.12.3

_______________________________________________
libav-devel mailing list
libav-devel@libav.org
https://lists.libav.org/mailman/listinfo/libav-devel