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| author | Marton Balint <cus@passwd.hu> | 2019-05-23 22:20:44 +0200 |
|---|---|---|
| committer | Marton Balint <cus@passwd.hu> | 2019-05-24 21:39:07 +0200 |
| commit | 1eb54323c82ff6eff18553fd3f2788a695bdf812 (patch) | |
| tree | c891125a3d264f4c0c7643cec5de92be69df878f | |
| parent | 87e0247a6c0f281158425d0f4958f1f1090bc15b (diff) | |
| download | ffmpeg-1eb54323c82ff6eff18553fd3f2788a695bdf812.tar.gz | |
avfilter/f_loop: warn about unset loop sizes
Signed-off-by: Marton Balint <cus@passwd.hu>
| -rw-r--r-- | libavfilter/f_loop.c | 13 |
1 files changed, 13 insertions, 0 deletions
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; } |