[FFmpeg-cvslog] avconv: report the error for codec open failure

[Luca Barbato]

ffmpeg | branch: master | Luca Barbato <lu_zero at gentoo.org> | Thu Jun 20 00:06:08 2013 +0200| [42cc6cefd315c1556e2a52f7ebe2f766ec82b790] | committer: Luca Barbato

avconv: report the error for codec open failure

External codec may have corner case reason to fail at init, better
report them instead having the user wonder.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=42cc6cefd315c1556e2a52f7ebe2f766ec82b790
---

 avconv.c |   10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/avconv.c b/avconv.c
index b490d4a..9fa0675 100644
--- a/avconv.c
+++ b/avconv.c
@@ -1371,10 +1371,16 @@ static int init_input_stream(int ist_index, char *error, int error_len)
         if (!av_dict_get(ist->opts, "threads", NULL, 0))
             av_dict_set(&ist->opts, "threads", "auto", 0);
         if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) {
+            char errbuf[128];
             if (ret == AVERROR_EXPERIMENTAL)
                 abort_codec_experimental(codec, 0);
-            snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
-                    ist->file_index, ist->st->index);
+
+            av_strerror(ret, errbuf, sizeof(errbuf));
+
+            snprintf(error, error_len,
+                     "Error while opening decoder for input stream "
+                     "#%d:%d : %s",
+                     ist->file_index, ist->st->index, errbuf);
             return ret;
         }
         assert_avoptions(ist->opts);