00001 /* (C) 2008 Jean-Marc Valin, CSIRO 00002 */ 00003 /* 00004 Redistribution and use in source and binary forms, with or without 00005 modification, are permitted provided that the following conditions 00006 are met: 00007 00008 - Redistributions of source code must retain the above copyright 00009 notice, this list of conditions and the following disclaimer. 00010 00011 - Redistributions in binary form must reproduce the above copyright 00012 notice, this list of conditions and the following disclaimer in the 00013 documentation and/or other materials provided with the distribution. 00014 00015 - Neither the name of the Xiph.org Foundation nor the names of its 00016 contributors may be used to endorse or promote products derived from 00017 this software without specific prior written permission. 00018 00019 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00020 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00021 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00022 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR 00023 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00024 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00025 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00026 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00027 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00028 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00029 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00030 */ 00031 00032 #ifndef CELT_HEADER_H 00033 #define CELT_HEADER_H 00034 00035 #ifdef __cplusplus 00036 extern "C" { 00037 #endif 00038 00039 #include "celt.h" 00040 #include "celt_types.h" 00041 00045 typedef struct { 00046 char codec_id[8]; 00047 char codec_version[20]; 00048 celt_int32_t version_id; 00049 celt_int32_t header_size; 00050 celt_int32_t sample_rate; 00051 celt_int32_t nb_channels; 00052 celt_int32_t frame_size; 00053 celt_int32_t overlap; 00054 celt_int32_t bytes_per_packet; 00055 celt_int32_t extra_headers; 00056 } CELTHeader; 00057 00059 void celt_header_init(CELTHeader *header, const CELTMode *m); 00060 00061 int celt_header_to_packet(const CELTHeader *header, unsigned char *packet, celt_uint32_t size); 00062 00063 int celt_header_from_packet(const unsigned char *packet, celt_uint32_t size, CELTHeader *header); 00064 00065 #ifdef __cplusplus 00066 } 00067 #endif 00068 00069 #endif /* CELT_HEADER_H */
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