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• Discord bot python : discord.errors.ClientException : ffmpeg was not found

  14 septembre 2021, par S. Klore

  I'm trying to make a discord bot that plays music in a voice channel. It connects to the voice channel, but doesn't play anything. It also gives an error in the console.

  



  I'm on Windows and I'm using the discord.py rewrite.

  



  My code :

  



  import discord, random, datetime, asyncio, nacl, ffmpeg

TOKEN = 'What token'

client = discord.Client()

@client.event
async def on_message(message):
if message.content.lower() == '$play':
    if message.content.lower() == '$play':
        channel = client.get_channel(547155964328149007)
        vc = await channel.connect()
        vc.play(discord.FFmpegPCMAudio('mp3.mp3'), after=lambda e: print('done', e))
        vc.is_playing()
        vc.pause()
        vc.resume()
        vc.stop()

@client.event
async def on_ready():
    print('Logged in as {0.user}'.format(client))

client.run(TOKEN)


  



  The error :

  



  Traceback (most recent call last):
  File "D:\Python35\lib\site-packages\discord\client.py", line 218, in _run_event
    await coro(*args, **kwargs)
  File "discord_bot.py", line 90, in on_message
    vc.play(discord.FFmpegPCMAudio('mp3.mp3'), after=lambda e: print('done', e))
  File "D:\Python35\lib\site-packages\discord\player.py", line 165, in __init__
    raise ClientException(executable + ' was not found.') from None
discord.errors.ClientException: ffmpeg was not found.


  



  People seem to have a similar-ish issue with ffmpeg/avconv was not found in your PATH environment variable but the fix for them is to download ffmpeg from a website and put it in their PATH, but that doesn't work for me.

  



  Further more I can only find fixes for my problem in JavaScript, while I'm coding the bot in Python 3.

  



  Here are some links from my research :

  



  You need to add FFmpeg to your path

  



  A discord.js (JavaScript) fix for the same error

  



  A fix for discord.py, NOT for discord.py REWRITE

  


• Stream video from bitmap frames with x264 and ffmpegs swscale

  25 mars 2016, par Jones

  The goal is to create a video stream from bitmap frames.

  Current solution : I am streaming raw 24bpp bitmap data over tcp from my machine to a "remote" server, to distribute the frames to the clients. This works well when everything runs on my local machine.

  Problem : The size of a frame is 1440000 (800*600*3) bytes, I only have a 2Mbps upstream and I need the video to be 25 frames per second with a resolution of 800x600.

  Approach : So after a bit of research my approach would be to encode the bitmap frames into h264 and stream the resulting video.

  Current situation : I compiled x264 and ffmpeg (for swscale, to convert RGB to YUV) and I am able to encode 24bpp bitmap Frames with x264. The last action in my test program is a call to x264_encoder_encode. The bitmap data in the test program is randomly generated for every frame.

  Now to my question(s) :

  Where do I go from here ? TCP, UDP, RTMP ? Which data would be transfered ? Do i just transmit the resulting frame from x264_encoder_encode ?
  Which still has a size of 140000 bytes, according to the return value of the function. That would result in
  (25*140000 = 3500000) 3,5 Mbps which is still greater than the 2Mpbs I have available.

  While I dont really know how (yet !), I am confidend that this task is feasable. For example, here is a spreadsheet displaying needed bandwith for different resolutions for streaming platforms like twitch.tv (using RTMP).

  My current x264_param (from this post) looks like this (just fyi) :

  x264_param_default_preset(&param, "veryfast", "zerolatency");
  
  param.i_threads = 1;
  
  param.i_width = width;
  
  param.i_height = height;
  
  param.i_fps_num = fps;
  
  param.i_fps_den = 1;
  
  // Intra refres:
  
  param.i_keyint_max = fps;
  
  param.b_intra_refresh = 1;
  
  //Rate control:
  
  param.rc.i_rc_method = X264_RC_CRF;
  
  param.rc.f_rf_constant = 25;
  
  param.rc.f_rf_constant_max = 35;
  
  //For streaming:
  
  param.b_repeat_headers = 1;
  
  param.b_annexb = 1;
  
  x264_param_apply_profile(&param, "baseline");

  thank you in advance.

• make : *** [ffmpeg-php.lo] Error 1 in centos 7

  14 octobre 2015, par pandy pandiyan

  have installed ffmpeg 2.6.3 in my centos 7 server .
  when i tried to install ffpeg-php 0.6.0 I was stucked. those are follows
  when i run ./configure the follwing is the output.

      [usr1@aryan ffmpeg-php-0.6.0]$ ./configure
  
      checking for grep that handles long lines and -e... /usr/bin/grep
  
      checking for egrep... /usr/bin/grep -E
  
      checking for a sed that does not truncate output... /usr/bin/sed
  
      checking for cc... cc
  
      checking whether the C compiler works... yes
  
      checking for C compiler default output file name... a.out
  
      checking for suffix of executables... 
  
      checking whether we are cross compiling... no
  
      checking for suffix of object files... o
  
      checking whether we are using the GNU C compiler... yes
  
      checking whether cc accepts -g... yes
  
      checking for cc option to accept ISO C89... none needed
  
      checking how to run the C preprocessor... cc -E
  
      checking for icc... no
  
      checking for suncc... no
  
      checking whether cc understands -c and -o together... yes
  
      checking for system library directory... lib
  
      checking if compiler supports -R... no
  
      checking if compiler supports -Wl,-rpath,... yes
  
      checking build system type... x86_64-unknown-linux-gnu
  
      checking host system type... x86_64-unknown-linux-gnu
  
      checking target system type... x86_64-unknown-linux-gnu
  
      checking for PHP prefix... /usr
  
      checking for PHP includes... -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib
  
      checking for PHP extension directory... /usr/lib64/php/modules
  
      checking for PHP installed headers prefix... /usr/include/php
  
      checking if debug is enabled... no
  
      checking if zts is enabled... no
  
      checking for re2c... no
  
      configure: WARNING: You will need re2c 0.13.4 or later if you want to regenerate PHP parsers.
  
      checking for gawk... gawk
  
      checking for ffmpeg support... yes, shared
  
      checking whether to force gd support in ffmpeg-php... no
  
      checking for ffmpeg headers... ...found in /usr/local/include/libavcodec
  
      checking for ffmpeg libavcodec.so... ...found in /usr/lib64
  
      checking for ffmpeg swscale support... yes
  
      checking how to print strings... printf
  
      checking for a sed that does not truncate output... (cached) /usr/bin/sed
  
      checking for fgrep... /usr/bin/grep -F
  
      checking for ld used by cc... /usr/bin/ld
  
      checking if the linker (/usr/bin/ld) is GNU ld... yes
  
      checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B
  
      checking the name lister (/usr/bin/nm -B) interface... BSD nm
  
      checking whether ln -s works... yes
  
      checking the maximum length of command line arguments... 1572864
  
      checking whether the shell understands some XSI constructs... yes
  
      checking whether the shell understands "+="... yes
  
      checking how to convert x86_64-unknown-linux-gnu file names to x86_64-unknown-linux-gnu format... func_convert_file_noop
  
      checking how to convert x86_64-unknown-linux-gnu file names to toolchain format... func_convert_file_noop
  
      checking for /usr/bin/ld option to reload object files... -r
  
      checking for objdump... objdump
  
      checking how to recognize dependent libraries... pass_all
  
      checking for dlltool... no
  
      checking how to associate runtime and link libraries... printf %s\n
  
      checking for ar... ar
  
      checking for archiver @FILE support... @
  
      checking for strip... strip
  
      checking for ranlib... ranlib
  
      checking for gawk... (cached) gawk
  
      checking command to parse /usr/bin/nm -B output from cc object... ok
  
      checking for sysroot... no
  
      checking for mt... mt
  
      checking if mt is a manifest tool... no
  
      checking for ANSI C header files... yes
  
      checking for sys/types.h... yes
  
      checking for sys/stat.h... yes
  
      checking for stdlib.h... yes
  
      checking for string.h... yes
  
      checking for memory.h... yes
  
      checking for strings.h... yes
  
      checking for inttypes.h... yes
  
      checking for stdint.h... yes
  
      checking for unistd.h... yes
  
      checking for dlfcn.h... yes
  
      checking for objdir... .libs
  
      checking if cc supports -fno-rtti -fno-exceptions... no
  
      checking for cc option to produce PIC... -fPIC -DPIC
  
      checking if cc PIC flag -fPIC -DPIC works... yes
  
      checking if cc static flag -static works... no
  
      checking if cc supports -c -o file.o... yes
  
      checking if cc supports -c -o file.o... (cached) yes
  
      checking whether the cc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes
  
      checking whether -lc should be explicitly linked in... no
  
      checking dynamic linker characteristics... GNU/Linux ld.so
  
      checking how to hardcode library paths into programs... immediate
  
      checking whether stripping libraries is possible... yes
  
      checking if libtool supports shared libraries... yes
  
      checking whether to build shared libraries... yes
  
      checking whether to build static libraries... no
  
      configure: creating ./config.status
  
      config.status: creating config.h
  
      config.status: config.h is unchanged
  
      config.status: executing libtool commands

  when i run make command this is the following output

  [usr1@aryan ffmpeg-php-0.6.0]$ make
  
  /bin/sh /home/usr1/ffmpeg-php-0.6.0/libtool --mode=compile cc  -I. -I/home/usr1/ffmpeg-php-0.6.0 -DPHP_ATOM_INC -I/home/usr1/ffmpeg-php-0.6.0/include -I/home/usr1/ffmpeg-php-0.6.0/main -I/home/usr1/ffmpeg-php-0.6.0 -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -I/usr/local/include/libavcodec/ -I/usr/local/include/libavformat/ -I/usr/local/include/libavutil/ -I/usr/local/include/libswscale/ -I/usr/local/include/libavfilter/ -I/usr/local/include/libavdevice/  -DHAVE_CONFIG_H  -g -O2 -Wall -fno-strict-aliasing   -c /home/usr1/ffmpeg-php-0.6.0/ffmpeg-php.c -o ffmpeg-php.lo 
  
  libtool: compile:  cc -I. -I/home/usr1/ffmpeg-php-0.6.0 -DPHP_ATOM_INC -I/home/usr1/ffmpeg-php-0.6.0/include -I/home/usr1/ffmpeg-php-0.6.0/main -I/home/usr1/ffmpeg-php-0.6.0 -I/usr/include/php -I/usr/include/php/main -I/usr/include/php/TSRM -I/usr/include/php/Zend -I/usr/include/php/ext -I/usr/include/php/ext/date/lib -I/usr/local/include/libavcodec/ -I/usr/local/include/libavformat/ -I/usr/local/include/libavutil/ -I/usr/local/include/libswscale/ -I/usr/local/include/libavfilter/ -I/usr/local/include/libavdevice/ -DHAVE_CONFIG_H -g -O2 -Wall -fno-strict-aliasing -c /home/usr1/ffmpeg-php-0.6.0/ffmpeg-php.c  -fPIC -DPIC -o .libs/ffmpeg-php.o
  
  In file included from /usr/include/sys/stat.h:106:0,
  
                   from /usr/include/php/main/php_streams.h:28,
  
                   from /usr/include/php/main/php.h:396,
  
                   from /home/usr1/ffmpeg-php-0.6.0/ffmpeg-php.c:40:
  
  /usr/include/bits/stat.h:91:21: error: field 'st_atim' has incomplete type
  
       struct timespec st_atim;  /* Time of last access.  */
  
                       ^
  
  /usr/include/bits/stat.h:92:21: error: field 'st_mtim' has incomplete type
  
       struct timespec st_mtim;  /* Time of last modification.  */
  
                       ^
  
  /usr/include/bits/stat.h:93:21: error: field 'st_ctim' has incomplete type
  
       struct timespec st_ctim;  /* Time of last status change.  */
  
                       ^
  
  /usr/include/bits/stat.h:152:21: error: field 'st_atim' has incomplete type
  
       struct timespec st_atim;  /* Time of last access.  */
  
                       ^
  
  /usr/include/bits/stat.h:153:21: error: field 'st_mtim' has incomplete type
  
       struct timespec st_mtim;  /* Time of last modification.  */
  
                       ^
  
  /usr/include/bits/stat.h:154:21: error: field 'st_ctim' has incomplete type
  
       struct timespec st_ctim;  /* Time of last status change.  */
  
                       ^
  
  In file included from /usr/include/php/main/php_streams.h:28:0,
  
                   from /usr/include/php/main/php.h:396,
  
                   from /home/usr1/ffmpeg-php-0.6.0/ffmpeg-php.c:40:
  
  /usr/include/sys/stat.h:366:31: error: array type has incomplete element type
  
           const struct timespec __times[2],
  
                                 ^
  
  /usr/include/sys/stat.h:373:54: error: array type has incomplete element type
  
   extern int futimens (int __fd, const struct timespec __times[2]) __THROW;
  
                                                        ^
  
  In file included from /usr/include/php/main/php.h:402:0,
  
                   from /home/usr1/ffmpeg-php-0.6.0/ffmpeg-php.c:40:
  
  /usr/include/php/TSRM/tsrm_virtual_cwd.h:218:2: error: unknown type name 'time_t'
  
    time_t                         expires;
  
    ^
  
  /usr/include/php/TSRM/tsrm_virtual_cwd.h:246:86: error: unknown type name 'time_t'
  
   CWD_API realpath_cache_bucket* realpath_cache_lookup(const char *path, int path_len, time_t t TSRMLS_DC);
  
                                                                                        ^
  
  /home/usr1/ffmpeg-php-0.6.0/ffmpeg-php.c: In function 'zm_startup_ffmpeg':
  
  /home/usr1/ffmpeg-php-0.6.0/ffmpeg-php.c:94:5: warning: implicit declaration of function 'avcodec_init' [-Wimplicit-function-declaration]
  
       avcodec_init();
  
       ^
  
  make: *** [ffmpeg-php.lo] Error 1

  I cant guess where is problem.I have tried to install differnt different versions for both ffmpeg and ffmpeg-php.
  Still this is happening.
  How to solve that probelm.