From 1eb54323c82ff6eff18553fd3f2788a695bdf812 Mon Sep 17 00:00:00 2001 From: Marton Balint Date: Thu, 23 May 2019 22:20:44 +0200 Subject: [PATCH] avfilter/f_loop: warn about unset loop sizes Signed-off-by: Marton Balint --- libavfilter/f_loop.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/libavfilter/f_loop.c b/libavfilter/f_loop.c index fcbd742eb4..5ec44d9da2 100644 --- a/libavfilter/f_loop.c +++ b/libavfilter/f_loop.c @@ -55,6 +55,15 @@ typedef struct LoopContext { #define VFLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM #define OFFSET(x) offsetof(LoopContext, x) +static void check_size(AVFilterContext *ctx) +{ + LoopContext *s = ctx->priv; + + if (!s->size) + av_log(ctx, AV_LOG_WARNING, "Number of %s to loop is not set!\n", + ctx->input_pads[0].type == AVMEDIA_TYPE_VIDEO ? "frames" : "samples"); +} + #if CONFIG_ALOOP_FILTER static int aconfig_input(AVFilterLink *inlink) @@ -67,6 +76,8 @@ static int aconfig_input(AVFilterLink *inlink) if (!s->fifo || !s->left) return AVERROR(ENOMEM); + check_size(ctx); + return 0; } @@ -250,6 +261,8 @@ static av_cold int init(AVFilterContext *ctx) if (!s->frames) return AVERROR(ENOMEM); + check_size(ctx); + return 0; }