decoder/ffmpeg: check InputStream::KnownSize()

4da32911 · Max Kellermann · 52edabf2 · 4da32911
Commit 4da32911 authored Aug 19, 2014 by Max Kellermann
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FfmpegDecoderPlugin.cxx src/decoder/plugins/FfmpegDecoderPlugin.cxx +3 -0

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--- a/src/decoder/plugins/FfmpegDecoderPlugin.cxx
+++ b/src/decoder/plugins/FfmpegDecoderPlugin.cxx
@@ -135,6 +135,9 @@ mpd_ffmpeg_stream_seek(void *opaque, int64_t pos, int whence)
 		break;

 	case AVSEEK_SIZE:
+		if (!stream->input.KnownSize())
+			return -1;
+
 		return stream->input.GetSize();

 	default: