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

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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 04:14:33 -05:00 committed by Mark Thompson
parent 0f0b2ece38
commit 81c615f0fe
1 changed files with 9 additions and 3 deletions
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12
libavfilter/vf_overlay_qsv.c
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@ -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;
}