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avfilter/f_loop: warn about unset loop sizes

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Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2019-05-23 22:20:44 +02:00
parent 87e0247a6c
commit 1eb54323c8
1 changed files with 13 additions and 0 deletions
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13
libavfilter/f_loop.c
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@ -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;
}