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| author | Gyan Doshi <ffmpeg@gyani.pro> | 2019-12-23 21:40:02 +0530 |
|---|---|---|
| committer | Gyan Doshi <ffmpeg@gyani.pro> | 2019-12-24 11:04:52 +0530 |
| commit | 287620f59c5e5b3d65855f71048a8fe7db142451 (patch) | |
| tree | c9e9485a62882a989b7a1d1ccf3be491fbd9457b | |
| parent | a13af9aee14f271298784d222d3dad38e7ccf43b (diff) | |
| download | ffmpeg-287620f59c5e5b3d65855f71048a8fe7db142451.tar.gz | |
avfilter/drawtext: log why input pad failed to be configured
| -rw-r--r-- | libavfilter/vf_drawtext.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/libavfilter/vf_drawtext.c b/libavfilter/vf_drawtext.c index 8f4badbdb5..aea17b6793 100644 --- a/libavfilter/vf_drawtext.c +++ b/libavfilter/vf_drawtext.c @@ -829,6 +829,7 @@ static int config_input(AVFilterLink *inlink) { AVFilterContext *ctx = inlink->dst; DrawTextContext *s = ctx->priv; + char *expr; int ret; ff_draw_init(&s->dc, inlink->format, FF_DRAW_PROCESS_ALPHA); @@ -854,14 +855,15 @@ static int config_input(AVFilterLink *inlink) av_expr_free(s->a_pexpr); s->x_pexpr = s->y_pexpr = s->a_pexpr = NULL; - if ((ret = av_expr_parse(&s->x_pexpr, s->x_expr, var_names, + if ((ret = av_expr_parse(&s->x_pexpr, expr = s->x_expr, var_names, NULL, NULL, fun2_names, fun2, 0, ctx)) < 0 || - (ret = av_expr_parse(&s->y_pexpr, s->y_expr, var_names, + (ret = av_expr_parse(&s->y_pexpr, expr = s->y_expr, var_names, NULL, NULL, fun2_names, fun2, 0, ctx)) < 0 || - (ret = av_expr_parse(&s->a_pexpr, s->a_expr, var_names, - NULL, NULL, fun2_names, fun2, 0, ctx)) < 0) - + (ret = av_expr_parse(&s->a_pexpr, expr = s->a_expr, var_names, + NULL, NULL, fun2_names, fun2, 0, ctx)) < 0) { + av_log(ctx, AV_LOG_ERROR, "Failed to parse expression: %s \n", expr); return AVERROR(EINVAL); + } return 0; } |