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_vpp_qsv.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/libavfilter/vf_vpp_qsv.c b/libavfilter/vf_vpp_qsv.c
index eb2f1cc..bd5fc32 100644
--- a/libavfilter/vf_vpp_qsv.c
+++ b/libavfilter/vf_vpp_qsv.c
@@ -332,6 +332,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame
*picref)
static int query_formats(AVFilterContext *ctx)
{
+ int ret;
AVFilterFormats *in_fmts, *out_fmts;
static const enum AVPixelFormat in_pix_fmts[] = {
AV_PIX_FMT_YUV420P,
@@ -349,8 +350,12 @@ static int query_formats(AVFilterContext *ctx)
in_fmts = ff_make_format_list(in_pix_fmts);
out_fmts = ff_make_format_list(out_pix_fmts);
- ff_formats_ref(in_fmts, &ctx->inputs[0]->out_formats);
- ff_formats_ref(out_fmts, &ctx->outputs[0]->in_formats);
+ ret = ff_formats_ref(in_fmts, &ctx->inputs[0]->out_formats);
+ if (ret < 0)
+ return ret;
+ ret = ff_formats_ref(out_fmts, &ctx->outputs[0]->in_formats);
+ if (ret < 0)
+ return ret;
return 0;
}
--
1.8.3.1
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