From 287620f59c5e5b3d65855f71048a8fe7db142451 Mon Sep 17 00:00:00 2001 From: Gyan Doshi Date: Mon, 23 Dec 2019 21:40:02 +0530 Subject: avfilter/drawtext: log why input pad failed to be configured --- libavfilter/vf_drawtext.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) (limited to 'libavfilter/vf_drawtext.c') 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; } -- cgit v1.2.3