suppress the build warning of "ignoring return value of ‘ff_formats_ref’,
declared with attribute warn_unused_result"
Signed-off-by: Zhong Li <zhong...@intel.com>
Reviewed-by: Carl Eugen Hoyos <ceffm...@gmail.com>
---
libavfilter/vf_overlay_qsv.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/libavfilter/vf_overlay_qsv.c b/libavfilter/vf_overlay_qsv.c
index 1f50d4b..6c3efdb 100644
--- a/libavfilter/vf_overlay_qsv.c
+++ b/libavfilter/vf_overlay_qsv.c
@@ -415,6 +415,7 @@ static void overlay_qsv_uninit(AVFilterContext *ctx)
static int overlay_qsv_query_formats(AVFilterContext *ctx)
{
int i;
+ int ret;
static const enum AVPixelFormat main_in_fmts[] = {
AV_PIX_FMT_YUV420P,
@@ -430,10 +431,15 @@ static int overlay_qsv_query_formats(AVFilterContext *ctx)
AV_PIX_FMT_NONE
};
- for (i = 0; i < ctx->nb_inputs; i++)
- ff_formats_ref(ff_make_format_list(main_in_fmts),
&ctx->inputs[i]->out_formats);
+ for (i = 0; i < ctx->nb_inputs; i++) {
+ ret = ff_formats_ref(ff_make_format_list(main_in_fmts),
&ctx->inputs[i]->out_formats);
+ if (ret < 0)
+ return ret;
+ }
- ff_formats_ref(ff_make_format_list(out_pix_fmts),
&ctx->outputs[0]->in_formats);
+ ret = ff_formats_ref(ff_make_format_list(out_pix_fmts),
&ctx->outputs[0]->in_formats);
+ if (ret < 0)
+ return ret;
return 0;
}
--
1.8.3.1
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