CELT 0.11.1
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00001 /* Copyright (c) 2007 CSIRO 00002 Copyright (c) 2007-2008 Xiph.Org Foundation 00003 Written by Jean-Marc Valin */ 00004 /* 00005 Redistribution and use in source and binary forms, with or without 00006 modification, are permitted provided that the following conditions 00007 are met: 00008 00009 - Redistributions of source code must retain the above copyright 00010 notice, this list of conditions and the following disclaimer. 00011 00012 - Redistributions in binary form must reproduce the above copyright 00013 notice, this list of conditions and the following disclaimer in the 00014 documentation and/or other materials provided with the distribution. 00015 00016 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00017 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00018 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00019 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR 00020 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00021 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00022 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00023 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00024 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00025 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00026 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00027 */ 00028 00029 #ifndef CELT_HEADER_H 00030 #define CELT_HEADER_H 00031 00032 #ifdef __cplusplus 00033 extern "C" { 00034 #endif 00035 00036 #include "celt.h" 00037 #include "celt_types.h" 00038 00042 typedef struct { 00043 char codec_id[8]; 00044 char codec_version[20]; 00045 celt_int32 version_id; 00046 celt_int32 header_size; 00047 celt_int32 sample_rate; 00048 celt_int32 nb_channels; 00049 celt_int32 frame_size; 00050 celt_int32 overlap; 00051 celt_int32 bytes_per_packet; 00052 celt_int32 extra_headers; 00053 } CELTHeader; 00054 00056 EXPORT int celt_header_init(CELTHeader *header, const CELTMode *m, int frame_size, int channels); 00057 00058 EXPORT int celt_header_to_packet(const CELTHeader *header, unsigned char *packet, celt_uint32 size); 00059 00060 EXPORT int celt_header_from_packet(const unsigned char *packet, celt_uint32 size, CELTHeader *header); 00061 00062 #ifdef __cplusplus 00063 } 00064 #endif 00065 00066 #endif /* CELT_HEADER_H */