1*a58d3d2aSXin LiTo build this source code, simply type: 2*a58d3d2aSXin Li 3*a58d3d2aSXin Li% make 4*a58d3d2aSXin Li 5*a58d3d2aSXin LiIf this does not work, or if you want to change the default configuration 6*a58d3d2aSXin Li(e.g., to compile for a fixed-point architecture), simply edit the options 7*a58d3d2aSXin Liin the Makefile. 8*a58d3d2aSXin Li 9*a58d3d2aSXin LiAn up-to-date implementation conforming to this standard is available in a 10*a58d3d2aSXin LiGit repository at https://gitlab.xiph.org/xiph/opus.git or on a website at: 11*a58d3d2aSXin Lihttps://opus-codec.org/ 12*a58d3d2aSXin LiHowever, although that implementation is expected to remain conformant 13*a58d3d2aSXin Liwith the standard, it is the code in this RFC that shall remain normative. 14*a58d3d2aSXin LiTo build from the git repository instead of using this RFC, follow these 15*a58d3d2aSXin Listeps: 16*a58d3d2aSXin Li 17*a58d3d2aSXin Li1) Clone the repository (latest implementation of this standard at the time 18*a58d3d2aSXin Liof publication) 19*a58d3d2aSXin Li 20*a58d3d2aSXin Li% git clone https://gitlab.xiph.org/xiph/opus.git 21*a58d3d2aSXin Li% cd opus 22*a58d3d2aSXin Li 23*a58d3d2aSXin Li2) Compile 24*a58d3d2aSXin Li 25*a58d3d2aSXin Li% ./autogen.sh 26*a58d3d2aSXin Li% ./configure 27*a58d3d2aSXin Li% make 28*a58d3d2aSXin Li 29*a58d3d2aSXin LiOnce you have compiled the codec, there will be a opus_demo executable in 30*a58d3d2aSXin Lithe top directory. 31*a58d3d2aSXin Li 32*a58d3d2aSXin LiUsage: opus_demo [-e] <application> <sampling rate (Hz)> <channels (1/2)> 33*a58d3d2aSXin Li <bits per second> [options] <input> <output> 34*a58d3d2aSXin Li opus_demo -d <sampling rate (Hz)> <channels (1/2)> [options] 35*a58d3d2aSXin Li <input> <output> 36*a58d3d2aSXin Li 37*a58d3d2aSXin Limode: voip | audio | restricted-lowdelay 38*a58d3d2aSXin Lioptions: 39*a58d3d2aSXin Li-e : only runs the encoder (output the bit-stream) 40*a58d3d2aSXin Li-d : only runs the decoder (reads the bit-stream as input) 41*a58d3d2aSXin Li-cbr : enable constant bitrate; default: variable bitrate 42*a58d3d2aSXin Li-cvbr : enable constrained variable bitrate; default: unconstrained 43*a58d3d2aSXin Li-bandwidth <NB|MB|WB|SWB|FB> : audio bandwidth (from narrowband to fullband); 44*a58d3d2aSXin Li default: sampling rate 45*a58d3d2aSXin Li-framesize <2.5|5|10|20|40|60> : frame size in ms; default: 20 46*a58d3d2aSXin Li-max_payload <bytes> : maximum payload size in bytes, default: 1024 47*a58d3d2aSXin Li-complexity <comp> : complexity, 0 (lowest) ... 10 (highest); default: 10 48*a58d3d2aSXin Li-inbandfec : enable SILK inband FEC 49*a58d3d2aSXin Li-forcemono : force mono encoding, even for stereo input 50*a58d3d2aSXin Li-dtx : enable SILK DTX 51*a58d3d2aSXin Li-loss <perc> : simulate packet loss, in percent (0-100); default: 0 52*a58d3d2aSXin Li 53*a58d3d2aSXin Liinput and output are little endian signed 16-bit PCM files or opus bitstreams 54*a58d3d2aSXin Liwith simple opus_demo proprietary framing. 55