opus_multistream.h
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00001 /* Copyright (c) 2011 Xiph.Org Foundation 00002 Written by Jean-Marc Valin */ 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 Internet Society, IETF or IETF Trust, nor the 00016 names of specific contributors, may be used to endorse or promote 00017 products derived from this software without specific prior written 00018 permission. 00019 00020 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00021 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00022 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00023 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 00024 OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00025 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00026 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00027 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00028 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00029 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00030 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00031 */ 00032 00038 #ifndef OPUS_MULTISTREAM_H 00039 #define OPUS_MULTISTREAM_H 00040 00041 #include "opus.h" 00042 00043 typedef struct OpusMSEncoder OpusMSEncoder; 00044 typedef struct OpusMSDecoder OpusMSDecoder; 00045 00046 #define __opus_check_encstate_ptr(ptr) ((ptr) + ((ptr) - (OpusEncoder**)(ptr))) 00047 #define __opus_check_decstate_ptr(ptr) ((ptr) + ((ptr) - (OpusDecoder**)(ptr))) 00048 00049 #define OPUS_MULTISTREAM_GET_ENCODER_STATE_REQUEST 5120 00050 #define OPUS_MULTISTREAM_GET_DECODER_STATE_REQUEST 5122 00051 00052 #define OPUS_MULTISTREAM_GET_ENCODER_STATE(x,y) OPUS_MULTISTREAM_GET_ENCODER_STATE_REQUEST, __opus_check_int(x), __opus_check_encstate_ptr(y) 00053 #define OPUS_MULTISTREAM_GET_DECODER_STATE(x,y) OPUS_MULTISTREAM_GET_DECODER_STATE_REQUEST, __opus_check_int(x), __opus_check_decstate_ptr(y) 00054 00058 OPUS_EXPORT OpusMSEncoder *opus_multistream_encoder_create( 00059 opus_int32 Fs, 00060 int channels, 00061 int streams, 00062 int coupled_streams, 00063 unsigned char *mapping, 00064 int application, 00065 int *error 00066 ); 00067 00069 OPUS_EXPORT int opus_multistream_encoder_init( 00070 OpusMSEncoder *st, 00071 opus_int32 Fs, 00072 int channels, 00073 int streams, 00074 int coupled_streams, 00075 unsigned char *mapping, 00076 int application 00077 ); 00078 00080 OPUS_EXPORT int opus_multistream_encode( 00081 OpusMSEncoder *st, 00082 const opus_int16 *pcm, 00083 int frame_size, 00084 unsigned char *data, 00085 int max_data_bytes 00086 ); 00087 00089 OPUS_EXPORT int opus_multistream_encode_float( 00090 OpusMSEncoder *st, 00091 const float *pcm, 00092 int frame_size, 00093 unsigned char *data, 00094 int max_data_bytes 00095 ); 00096 00100 OPUS_EXPORT opus_int32 opus_multistream_encoder_get_size( 00101 int streams, 00102 int coupled_streams 00103 ); 00104 00106 OPUS_EXPORT void opus_multistream_encoder_destroy(OpusMSEncoder *st); 00107 00109 OPUS_EXPORT int opus_multistream_encoder_ctl(OpusMSEncoder *st, int request, ...); 00110 00114 OPUS_EXPORT OpusMSDecoder *opus_multistream_decoder_create( 00115 opus_int32 Fs, 00116 int channels, 00117 int streams, 00118 int coupled_streams, 00119 unsigned char *mapping, 00120 int *error 00121 ); 00122 00124 OPUS_EXPORT int opus_multistream_decoder_init( 00125 OpusMSDecoder *st, 00126 opus_int32 Fs, 00127 int channels, 00128 int streams, 00129 int coupled_streams, 00130 unsigned char *mapping 00131 ); 00132 00134 OPUS_EXPORT int opus_multistream_decode( 00135 OpusMSDecoder *st, 00136 const unsigned char *data, 00137 int len, 00138 opus_int16 *pcm, 00139 int frame_size, 00140 int decode_fec 00142 ); 00143 00145 OPUS_EXPORT int opus_multistream_decode_float( 00146 OpusMSDecoder *st, 00147 const unsigned char *data, 00148 int len, 00149 float *pcm, 00150 int frame_size, 00151 int decode_fec 00153 ); 00154 00158 OPUS_EXPORT opus_int32 opus_multistream_decoder_get_size( 00159 int streams, 00160 int coupled_streams 00161 ); 00162 00164 OPUS_EXPORT int opus_multistream_decoder_ctl(OpusMSDecoder *st, int request, ...); 00165 00167 OPUS_EXPORT void opus_multistream_decoder_destroy(OpusMSDecoder *st); 00168 00169 #endif /* OPUS_MULTISTREAM_H */
