auto import from //branches/cupcake_rel/...@138607
diff --git a/include/speex/speex_header.h b/include/speex/speex_header.h
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+++ b/include/speex/speex_header.h
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+/* Copyright (C) 2002 Jean-Marc Valin */
+/**
+ @file speex_header.h
+ @brief Describes the Speex header
+*/
+/*
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ - Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ - Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ - Neither the name of the Xiph.org Foundation nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
+ CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+
+#ifndef SPEEX_HEADER_H
+#define SPEEX_HEADER_H
+/** @defgroup SpeexHeader SpeexHeader: Makes it easy to write/parse an Ogg/Speex header
+ * This is the Speex header for the Ogg encapsulation. You don't need that if you just use RTP.
+ * @{
+ */
+
+#include "speex/speex_types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct SpeexMode;
+
+/** Length of the Speex header identifier */
+#define SPEEX_HEADER_STRING_LENGTH 8
+
+/** Maximum number of characters for encoding the Speex version number in the header */
+#define SPEEX_HEADER_VERSION_LENGTH 20
+
+/** Speex header info for file-based formats */
+typedef struct SpeexHeader {
+ char speex_string[SPEEX_HEADER_STRING_LENGTH]; /**< Identifies a Speex bit-stream, always set to "Speex " */
+ char speex_version[SPEEX_HEADER_VERSION_LENGTH]; /**< Speex version */
+ spx_int32_t speex_version_id; /**< Version for Speex (for checking compatibility) */
+ spx_int32_t header_size; /**< Total size of the header ( sizeof(SpeexHeader) ) */
+ spx_int32_t rate; /**< Sampling rate used */
+ spx_int32_t mode; /**< Mode used (0 for narrowband, 1 for wideband) */
+ spx_int32_t mode_bitstream_version; /**< Version ID of the bit-stream */
+ spx_int32_t nb_channels; /**< Number of channels encoded */
+ spx_int32_t bitrate; /**< Bit-rate used */
+ spx_int32_t frame_size; /**< Size of frames */
+ spx_int32_t vbr; /**< 1 for a VBR encoding, 0 otherwise */
+ spx_int32_t frames_per_packet; /**< Number of frames stored per Ogg packet */
+ spx_int32_t extra_headers; /**< Number of additional headers after the comments */
+ spx_int32_t reserved1; /**< Reserved for future use, must be zero */
+ spx_int32_t reserved2; /**< Reserved for future use, must be zero */
+} SpeexHeader;
+
+/** Initializes a SpeexHeader using basic information */
+void speex_init_header(SpeexHeader *header, int rate, int nb_channels, const struct SpeexMode *m);
+
+/** Creates the header packet from the header itself (mostly involves endianness conversion) */
+char *speex_header_to_packet(SpeexHeader *header, int *size);
+
+/** Creates a SpeexHeader from a packet */
+SpeexHeader *speex_packet_to_header(char *packet, int size);
+
+/** Frees the memory allocated by either speex_header_to_packet() or speex_packet_to_header() */
+void speex_header_free(void *ptr);
+
+#ifdef __cplusplus
+}
+#endif
+
+/** @} */
+#endif