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| author | Stefano Sabatini <stefasab@gmail.com> | 2011-12-05 02:33:40 +0400 |
|---|---|---|
| committer | Stefano Sabatini <stefasab@gmail.com> | 2011-12-06 18:03:51 +0400 |
| commit | 3af5ddb24b91cfa6e2392b85ef1beafda7e85225 (patch) | |
| tree | 7d94f23eb1874b66cda0b31b5e5e4c56dff74725 /libavfilter/vf_scale.c | |
| parent | b404ab9e74d3bca12d5989c366f5cfd746279067 (diff) | |
vf_scale: give a clue in case of invalid expression self-reference
Address trac ticket #706.
Diffstat (limited to 'libavfilter/vf_scale.c')
| -rw-r--r-- | libavfilter/vf_scale.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c index e411406d8a..5bca9fc184 100644 --- a/libavfilter/vf_scale.c +++ b/libavfilter/vf_scale.c @@ -242,7 +242,9 @@ static int config_props(AVFilterLink *outlink) fail: av_log(NULL, AV_LOG_ERROR, - "Error when evaluating the expression '%s'\n", expr); + "Error when evaluating the expression '%s'.\n" + "Maybe the expression for out_w:'%s' or for out_h:'%s' is self-referencing.\n", + expr, scale->w_expr, scale->h_expr); return ret; } |