[FFmpeg-user] Qns regarding compiling c++ code with ffmpeg

[Jun Jie Pang]

Hi,

  Thank you guys for your input ! Sorry for not providing sufficient
information.
The command ran:
 gcc -o sample_vid_encoder sample_vid_encoder.cpp -L/$HOME/ffmpeg_build/lib
-lavcodec -lavformat -lavutil

The error message:
//home/Pang/ffmpeg_build/lib/libavcodec.a(amrnbdec.o): In function
`amrnb_decode_frame':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/amrnbdec.c:1035: undefined
reference to `truncf'
//home/Pang/ffmpeg_build/lib/libavcodec.a(amrwbdec.o): In function
`amrwb_decode_frame':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/amrwbdec.c:1204: undefined
reference to `truncf'
//home/Pang/ffmpeg_build/lib/libavcodec.a(atrac3.o): In function
`init_imdct_window':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/atrac3.c:181: undefined
reference to `sin'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/atrac3.c:182: undefined
reference to `sin'
//home/Pang/ffmpeg_build/lib/libavcodec.a(binkaudio.o): In function
`decode_init':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/binkaudio.c:116: undefined
reference to `expf'
//home/Pang/ffmpeg_build/lib/libavcodec.a(cngdec.o): In function
`cng_decode_frame':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/cngdec.c:115: undefined
reference to `pow'
//home/Pang/ffmpeg_build/lib/libavcodec.a(cngenc.o): In function
`cng_encode_frame':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/cngenc.c:89: undefined
reference to `log10'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/cngenc.c:90: undefined
reference to `floor'
//home/Pang/ffmpeg_build/lib/libavcodec.a(cook.o): In function
`init_pow2table':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/cook.c:169: undefined reference
to `pow'
//home/Pang/ffmpeg_build/lib/libavcodec.a(cook.o): In function
`init_gain_table':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/cook.c:180: undefined reference
to `pow'
//home/Pang/ffmpeg_build/lib/libavcodec.a(cscd.o): In function
`decode_frame':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/cscd.c:91: undefined reference
to `uncompress'
//home/Pang/ffmpeg_build/lib/libavcodec.a(dct.o): In function `ff_dct_init':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/dct.c:201: undefined reference
to `sin'
//home/Pang/ffmpeg_build/lib/libavcodec.a(dxa.o): In function
`decode_frame':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/dxa.c:243: undefined reference
to `uncompress'
//home/Pang/ffmpeg_build/lib/libavcodec.a(evrcdec.o): In function
`frame_erasure':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/evrcdec.c:679: undefined
reference to `pow'
//home/Pang/ffmpeg_build/lib/libavcodec.a(evrcdec.o): In function
`evrc_decode_frame':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/evrcdec.c:831: undefined
reference to `pow'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/evrcdec.c:831: undefined
reference to `pow'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/evrcdec.c:831: undefined
reference to `pow'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/evrcdec.c:855: undefined
reference to `exp'
//home/Pang/ffmpeg_build/lib/libavcodec.a(evrcdec.o): In function
`evrc_decode_init':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/evrcdec.c:259: undefined
reference to `cos'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/evrcdec.c:260: undefined
reference to `sin'
//home/Pang/ffmpeg_build/lib/libavcodec.a(exr.o): In function
`zip_uncompress':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/exr.c:225: undefined reference
to `uncompress'
//home/Pang/ffmpeg_build/lib/libavcodec.a(exr.o): In function
`pxr24_uncompress':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/exr.c:289: undefined reference
to `uncompress'
//home/Pang/ffmpeg_build/lib/libavcodec.a(fft_float.o): In function
`ff_init_ff_cos_tabs':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/fft.c:96: undefined reference
to `cos'
//home/Pang/ffmpeg_build/lib/libavcodec.a(ffv1enc.o): In function
`sort_stt':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/ffv1enc.c:629: undefined
reference to `log2'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/ffv1enc.c:629: undefined
reference to `log2'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/ffv1enc.c:629: undefined
reference to `log2'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/ffv1enc.c:629: undefined
reference to `log2'
//home/Pang/ffmpeg_build/lib/libavcodec.a(ffv1enc.o): In function
`find_best_state':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/ffv1enc.c:145: undefined
reference to `log2'
//home/Pang/ffmpeg_build/lib/libavcodec.a(ffv1enc.o): In function
`encode_init':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/ffv1enc.c:903: undefined
reference to `round'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/ffv1enc.c:914: undefined
reference to `round'
//home/Pang/ffmpeg_build/lib/libavcodec.a(ffwavesynth.o): In function
`wavesynth_init':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/ffwavesynth.c:338: undefined
reference to `sin'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/ffwavesynth.c:338: undefined
reference to `floor'
//home/Pang/ffmpeg_build/lib/libavcodec.a(flashsv.o): In function
`flashsv_decode_block':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsv.c:173: undefined
reference to `inflateReset'
//home/Pang/ffmpeg_build/lib/libavcodec.a(flashsv.o): In function
`flashsv2_prime':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsv.c:140: undefined
reference to `inflate'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsv.c:142: undefined
reference to `deflateInit_'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsv.c:148: undefined
reference to `deflate'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsv.c:149: undefined
reference to `deflateEnd'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsv.c:151: undefined
reference to `inflateReset'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsv.c:160: undefined
reference to `inflate'
//home/Pang/ffmpeg_build/lib/libavcodec.a(flashsv.o): In function
`flashsv_decode_block':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsv.c:189: undefined
reference to `inflate'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsv.c:192: undefined
reference to `inflateSync'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsv.c:193: undefined
reference to `inflate'
//home/Pang/ffmpeg_build/lib/libavcodec.a(flashsv.o): In function
`calc_deflate_block_size':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsv.c:233: undefined
reference to `deflateInit_'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsv.c:235: undefined
reference to `deflateBound'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsv.c:236: undefined
reference to `deflateEnd'
//home/Pang/ffmpeg_build/lib/libavcodec.a(flashsv.o): In function
`flashsv_decode_end':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsv.c:468: undefined
reference to `inflateEnd'
//home/Pang/ffmpeg_build/lib/libavcodec.a(flashsv.o): In function
`flashsv_decode_init':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsv.c:112: undefined
reference to `inflateInit_'
//home/Pang/ffmpeg_build/lib/libavcodec.a(flashsv2enc.o): In function
`encode_zlib':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsv2enc.c:355: undefined
reference to `compress2'
//home/Pang/ffmpeg_build/lib/libavcodec.a(flashsv2enc.o): In function
`encode_zlibprime':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsv2enc.c:367: undefined
reference to `deflateInit_'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsv2enc.c:376: undefined
reference to `deflate'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsv2enc.c:385: undefined
reference to `deflate'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsv2enc.c:386: undefined
reference to `deflateEnd'
//home/Pang/ffmpeg_build/lib/libavcodec.a(flashsvenc.o): In function
`encode_bitstream':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsvenc.c:170: undefined
reference to `compress2'
//home/Pang/ffmpeg_build/lib/libavcodec.a(flashsvenc.o): In function
`flashsv_encode_end':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/flashsvenc.c:269: undefined
reference to `deflateEnd'
//home/Pang/ffmpeg_build/lib/libavcodec.a(g2meet.o): In function
`kempf_decode_tile':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/g2meet.c:395: undefined
reference to `uncompress'
//home/Pang/ffmpeg_build/lib/libavcodec.a(imc.o): In function `freq2bark':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/imc.c:123: undefined reference
to `atan'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/imc.c:123: undefined reference
to `atan'
//home/Pang/ffmpeg_build/lib/libavcodec.a(imc.o): In function
`imc_decode_level_coefficients_raw':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/imc.c:414: undefined reference
to `pow'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/imc.c:415: undefined reference
to `log2f'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/imc.c:424: undefined reference
to `powf'
//home/Pang/ffmpeg_build/lib/libavcodec.a(imc.o): In function
`imc_decode_level_coefficients':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/imc.c:360: undefined reference
to `exp2'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/imc.c:361: undefined reference
to `log2f'
//home/Pang/ffmpeg_build/lib/libavcodec.a(imc.o): In function
`bit_allocation':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/imc.c:459: undefined reference
to `log2f'
//home/Pang/ffmpeg_build/lib/libavcodec.a(imc.o): In function
`iac_generate_tabs':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/imc.c:140: undefined reference
to `pow'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/imc.c:141: undefined reference
to `pow'
//home/Pang/ffmpeg_build/lib/libavcodec.a(imc.o): In function
`imc_decode_init':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/imc.c:206: undefined reference
to `sincos'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/imc.c:207: undefined reference
to `sincos'
//home/Pang/ffmpeg_build/lib/libavcodec.a(lcldec.o): In function
`zlib_decomp':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/lcldec.c:137: undefined
reference to `inflateReset'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/lcldec.c:146: undefined
reference to `inflate'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/lcldec.c:137: undefined
reference to `inflateReset'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/lcldec.c:146: undefined
reference to `inflate'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/lcldec.c:137: undefined
reference to `inflateReset'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/lcldec.c:146: undefined
reference to `inflate'
//home/Pang/ffmpeg_build/lib/libavcodec.a(lcldec.o): In function
`decode_end':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/lcldec.c:645: undefined
reference to `inflateEnd'
//home/Pang/ffmpeg_build/lib/libavcodec.a(lcldec.o): In function
`decode_init':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/lcldec.c:621: undefined
reference to `inflateInit_'
//home/Pang/ffmpeg_build/lib/libavcodec.a(lclenc.o): In function
`encode_frame':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/lclenc.c:80: undefined
reference to `deflateBound'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/lclenc.c:90: undefined
reference to `deflateReset'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/lclenc.c:101: undefined
reference to `deflate'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/lclenc.c:107: undefined
reference to `deflate'
//home/Pang/ffmpeg_build/lib/libavcodec.a(lclenc.o): In function
`encode_end':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/lclenc.c:177: undefined
reference to `deflateEnd'
//home/Pang/ffmpeg_build/lib/libavcodec.a(lclenc.o): In function
`encode_init':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/lclenc.c:158: undefined
reference to `deflateInit_'
//home/Pang/ffmpeg_build/lib/libavcodec.a(libfdk-aacdec.o): In function
`fdk_aac_decode_frame':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:224: undefined
reference to `aacDecoder_Fill'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:246: undefined
reference to `aacDecoder_DecodeFrame'
//home/Pang/ffmpeg_build/lib/libavcodec.a(libfdk-aacdec.o): In function
`get_stream_info':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:63: undefined
reference to `aacDecoder_GetStreamInfo'
//home/Pang/ffmpeg_build/lib/libavcodec.a(libfdk-aacdec.o): In function
`fdk_aac_decode_flush':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:292: undefined
reference to `aacDecoder_SetParam'
//home/Pang/ffmpeg_build/lib/libavcodec.a(libfdk-aacdec.o): In function
`fdk_aac_decode_close':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:176: undefined
reference to `aacDecoder_Close'
//home/Pang/ffmpeg_build/lib/libavcodec.a(libfdk-aacdec.o): In function
`fdk_aac_decode_init':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:186: undefined
reference to `aacDecoder_Open'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:193: undefined
reference to `aacDecoder_ConfigRaw'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:201: undefined
reference to `aacDecoder_SetParam'
//home/Pang/ffmpeg_build/lib/libavcodec.a(libfdk-aacenc.o): In function
`aac_encode_close':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:99: undefined
reference to `aacEncClose'
//home/Pang/ffmpeg_build/lib/libavcodec.a(libfdk-aacenc.o): In function
`aac_encode_frame':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:345: undefined
reference to `aacEncEncode'
//home/Pang/ffmpeg_build/lib/libavcodec.a(libfdk-aacenc.o): In function
`aac_encode_init':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:116: undefined
reference to `aacEncOpen'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:125: undefined
reference to `aacEncoder_SetParam'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:132: undefined
reference to `aacEncoder_SetParam'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:140: undefined
reference to `aacEncoder_SetParam'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:160: undefined
reference to `aacEncoder_SetParam'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:167: undefined
reference to `aacEncoder_SetParam'
//home/Pang/ffmpeg_build/lib/libavcodec.a(libfdk-aacenc.o):/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:185:
more undefined references to `aacEncoder_SetParam' follow
//home/Pang/ffmpeg_build/lib/libavcodec.a(libfdk-aacenc.o): In function
`aac_encode_init':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:264: undefined
reference to `aacEncEncode'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:270: undefined
reference to `aacEncInfo'
//home/Pang/ffmpeg_build/lib/libavcodec.a(libmp3lame.o): In function
`mp3lame_encode_frame':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libmp3lame.c:210: undefined
reference to `lame_encode_flush'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libmp3lame.c:188: undefined
reference to `lame_encode_buffer'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libmp3lame.c:191: undefined
reference to `lame_encode_buffer_int'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libmp3lame.c:204: undefined
reference to `lame_encode_buffer_float'
//home/Pang/ffmpeg_build/lib/libavcodec.a(libmp3lame.o): In function
`mp3lame_encode_close':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libmp3lame.c:88: undefined
reference to `lame_close'
//home/Pang/ffmpeg_build/lib/libavcodec.a(libmp3lame.o): In function
`mp3lame_encode_init':
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libmp3lame.c:100: undefined
reference to `lame_init'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libmp3lame.c:104: undefined
reference to `lame_set_num_channels'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libmp3lame.c:105: undefined
reference to `lame_set_mode'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libmp3lame.c:108: undefined
reference to `lame_set_in_samplerate'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libmp3lame.c:109: undefined
reference to `lame_set_out_samplerate'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libmp3lame.c:113: undefined
reference to `lame_set_quality'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libmp3lame.c:115: undefined
reference to `lame_set_quality'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libmp3lame.c:119: undefined
reference to `lame_set_VBR'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libmp3lame.c:120: undefined
reference to `lame_set_VBR_quality'
/home/Pang/ffmpeg_sources/ffmpeg/libavcodec/libmp3lame.c:123: undefined
reference to `lame_set_brate'

and the error goes on and on....
-------------------------------------------------------------------------------------------------------

Running ffmpeg on terminal:
ffmpeg version N-39064-gfa7e9f9 Copyright (c) 2000-2013 the FFmpeg
developers
  built on Oct 12 2013 11:01:14 with gcc 4.4.7 (GCC) 20120313 (Red Hat
4.4.7-3)
  configuration: --prefix=/home/Pang/ffmpeg_build
--extra-cflags=-I/home/Pang/ffmpeg_build/include
--extra-ldflags=-L/home/Pang/ffmpeg_build/lib --bindir=/home/Pang/bin
--extra-libs=-ldl --enable-gpl --enable-nonfree --enable-libfdk_aac
--enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx
--enable-libx264
  libavutil      52. 46.101 / 52. 46.101
  libavcodec     55. 35.100 / 55. 35.100
  libavformat    55. 19.100 / 55. 19.100
  libavdevice    55.  4.100 / 55.  4.100
  libavfilter     3. 88.101 /  3. 88.101
  libswscale      2.  5.101 /  2.  5.101
  libswresample   0. 17.103 /  0. 17.103
  libpostproc    52.  3.100 / 52.  3.100
Hyper fast Audio and Video encoder
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options]
outfile}...

Use -h to get full help or, even better, run 'man ffmpeg'
--------------------------------------------------------------------------------------------------------

I am not sure whether I have provided sufficient information. Really
appreciate you guys for help me look into it ! =D

Thank you
Pang Jun Jie


On Mon, Oct 14, 2013 at 7:35 AM, 刘 岐 <lingjiujianke at gmail.com> wrote:

>
> 在 2013-10-14，上午5:31，Carl Eugen Hoyos <cehoyos at ag.or.at> 写道：
>
> > Jun Jie Pang <junjiepang <at> gmail.com> writes:
> >
> >> I have installed ffmpeg on centOS according to
> >> https://trac.ffmpeg.org/wiki/CentosCompilationGuide.
> >> However, when I try to compile the code, it gives
> >> me multiple "  undefined reference to  ....".
> >
> > Unfortunately, this is not enough information;-(
> > What are you trying to compile, how and what
> > output does the linker print?
> >
>
> Junjie Pang,
>
>         Please give us the enough information,
>
>
> Steven
>
>