decoder: ignore decoder_data() calls with length==0

Pushing buffers with a zero length into the MPD core causes failures; don't let them pass beyond the decoder plugi API.

decoder: ignore decoder_data() calls with length==0
774417f1 · Max Kellermann · 63c3ebee · 774417f1
Commit 774417f1 authored Nov 21, 2008 by Max Kellermann
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decoder_api.c src/decoder_api.c +2 -1

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--- a/src/decoder_api.c
+++ b/src/decoder_api.c
@@ -194,7 +194,8 @@ decoder_data(struct decoder *decoder,
 	assert(dc.state == DECODE_STATE_DECODE);

 	if (dc.command == DECODE_COMMAND_STOP ||
-	    dc.command == DECODE_COMMAND_SEEK)
+	    dc.command == DECODE_COMMAND_SEEK ||
+	    length == 0)
 		return dc.command;

 	if (is != NULL && !decoder->stream_tag_sent) {