X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=spx.h;fp=spx.h;h=6ffa80eb17342841295d213ce6b193960160449b;hb=90560de0d7e4d825772270f9ac7cbefbb38aad97;hp=0000000000000000000000000000000000000000;hpb=063328d833daa7e06589645e05d4d2e02f55e911;p=paraslash.git

diff --git a/spx.h b/spx.h
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--- /dev/null
+++ b/spx.h
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+/*
+ * Copyright (C) 2010 Andre Noll <maan@systemlinux.org>
+ *
+ * Licensed under the GPL v2. For licencing details see COPYING.
+ */
+
+/**
+ *  \file spx.h Structures and prototypes common to the speex audio format
+ *  handler and the speex decoder.
+ */
+
+/**
+ * Information extracted from the first ogg packet.
+ *
+ * It contains tech data but not the content of the attached comment tags.
+ */
+struct spx_header_info {
+	/** Holds the state of the decoder. */
+	void *state;
+	/** Extracted from header. */
+	int frame_size;
+	/** Current sample rate in Hz. */
+	spx_int32_t sample_rate;
+	/** Current bitrate used by the decoder. */
+	int bitrate;
+	/** Number of frames per packet, extracted from header. */
+	int nframes;
+	/** The number of channels of the current stream. */
+	int channels;
+	/** Only needed for stereo streams. */
+	SpeexStereoState stereo;
+	/** Must be skipped during decode. */
+	int extra_headers;
+	/** Narrow/wide/ultrawide band, bitstream version. */
+	const SpeexMode *mode;
+};
+
+int spx_process_header(unsigned char *packet, long bytes,
+		struct spx_header_info *shi);
+int spx_ctl(void *state, int request, void *ptr);