[FFmpeg-cvslog] avconv: Display the error returned by avformat_write_header

Martin Storsjö git at videolan.org
Sat May 26 22:41:52 CEST 2012


ffmpeg | branch: master | Martin Storsjö <martin at martin.st> | Sat May 26 00:55:56 2012 +0300| [a1a6cdc26e465fc65e641ab31ef47d263b624568] | committer: Martin Storsjö

avconv: Display the error returned by avformat_write_header

Signed-off-by: Martin Storsjö <martin at martin.st>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a1a6cdc26e465fc65e641ab31ef47d263b624568
---

 avconv.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/avconv.c b/avconv.c
index 5506869..5861f1b 100644
--- a/avconv.c
+++ b/avconv.c
@@ -2863,8 +2863,12 @@ static int transcode_init(void)
     for (i = 0; i < nb_output_files; i++) {
         oc = output_files[i]->ctx;
         oc->interrupt_callback = int_cb;
-        if (avformat_write_header(oc, &output_files[i]->opts) < 0) {
-            snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
+        if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
+            char errbuf[128];
+            const char *errbuf_ptr = errbuf;
+            if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
+                errbuf_ptr = strerror(AVUNERROR(ret));
+            snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
             ret = AVERROR(EINVAL);
             goto dump_format;
         }



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