libavfilter/af_amix: avoid derreferencing possible null
ff_all_channel_layouts() might return null on alloc failure. Fixes CID1241516 Signed-off-by: Reynaldo H. Verdejo Pinochet <reynaldo@osg.samsung.com>
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@ -528,10 +528,17 @@ static av_cold void uninit(AVFilterContext *ctx)
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static int query_formats(AVFilterContext *ctx)
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{
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AVFilterFormats *formats = NULL;
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AVFilterChannelLayouts *layouts;
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layouts = ff_all_channel_layouts();
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if (!layouts)
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return AVERROR(ENOMEM);
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ff_add_format(&formats, AV_SAMPLE_FMT_FLT);
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ff_add_format(&formats, AV_SAMPLE_FMT_FLTP);
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ff_set_common_formats(ctx, formats);
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ff_set_common_channel_layouts(ctx, ff_all_channel_layouts());
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ff_set_common_channel_layouts(ctx, layouts);
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ff_set_common_samplerates(ctx, ff_all_samplerates());
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return 0;
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}
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