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lavf/qsv_vpp: check the return value of ff_formats_ref() 

Fixes the build warning of "ignoring return value of ‘ff_formats_ref’,
declared with attribute warn_unused_result"

Signed-off-by: Zhong Li <zhong.li@intel.com>
Reviewed-by: Carl Eugen Hoyos <ceffmpeg@gmail.com>
Signed-off-by: Mark Thompson <sw@jkqxz.net>
This commit is contained in:
Zhong Li 2017-11-20 04:14:34 -05:00 committed by Mark Thompson
parent 81c615f0fe
commit f7d77b4112
1 changed files with 7 additions and 2 deletions
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9
libavfilter/vf_vpp_qsv.c
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@ -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;
}