lavd/lavfi: support unknown channel layouts.

863fb11f · Nicolas George · eeb975f5 · 863fb11f
Commit 863fb11f authored Oct 28, 2013 by Nicolas George
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lavfi.c libavdevice/lavfi.c +4 -0

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--- a/libavdevice/lavfi.c
+++ b/libavdevice/lavfi.c
@@ -248,6 +248,10 @@ av_cold static int lavfi_read_header(AVFormatContext *avctx)
                ret = av_opt_set_int_list(sink, "sample_fmts", sample_fmts,  AV_SAMPLE_FMT_NONE, AV_OPT_SEARCH_CHILDREN);
            if (ret < 0)
                goto end;
+            ret = av_opt_set_int(sink, "all_channel_counts", 1,
+                                 AV_OPT_SEARCH_CHILDREN);
+            if (ret < 0)
+                goto end;
        }
        lavfi->sinks[i] = sink;