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    15 novembre 2010, par

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  • SOX got nothing from SoundFlower

    12 septembre 2016, par xiaose

    For some reason on some comps SoundFlower does not catch audio.
    I.e. there are SoundFlower but when I switch input\output to the SoundFlower I cannot get any sound. I have got only not empty file without any sound.

    Okay, how I try to get the sound...

    Just FYI :

    $ system_profiler SPSoftwareDataType

    Software:
    

    
    System Software Overview:
    

    
      System Version: OS X 10.10.5 (14F1912)
    
      Kernel Version: Darwin 14.5.0
    
      Boot Volume: Macintosh HD
    
      Boot Mode: Normal
    
      Computer Name: Craig Computer
    
      User Name: Craig (craigm)
    
      Secure Virtual Memory: Enabled
    
      Time since boot: 1 day22:12

    Gonna check is AVFoundation works :

    $ ./ffmpeg -h demuxer=avfoundation

    Demuxer avfoundation [AVFoundation input device]:
    
AVFoundation input device AVOptions:
    
  -list_devices      <int>        .D...... list available devices (from 0 to 1) (default false)
    
     true                         .D...... 
    
     false                        .D...... 
    
  -video_device_index <int>        .D...... select video device by index for devices with same name (starts at 0) (from -1 to INT_MAX) (default -1)
    
  -audio_device_index <int>        .D...... select audio device by index for devices with same name (starts at 0) (from -1 to INT_MAX) (default -1)
    
  -pixel_format          .D...... set pixel format (default yuv420p)
    
  -framerate          .D...... set frame rate (default "ntsc")
    
  -video_size         .D...... set video size
    
  -capture_cursor    <int>        .D...... capture the screen cursor (from 0 to 1) (default 0)
    
  -capture_mouse_clicks <int>        .D...... capture the screen mouse clicks (from 0 to 1) (default 0)
    
</int></int></int></int></int>

    Gonna get list of AVFoundation audio devices :

    $ ./ffmpeg -f avfoundation -list_devices true -i ’’

    ffmpeg version 3.1.1-tessus Copyright (c) 2000-2016 the FFmpeg developers
    
  built with Apple LLVM version 6.0 (clang-600.0.57) (based on LLVM 3.5svn)
    
  configuration: --cc=/usr/bin/clang --prefix=/opt/ffmpeg --as=yasm --extra-version=tessus --enable-avisynth --enable-fontconfig --enable-gpl --enable-libass --enable-libbluray --enable-libfreetype --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopus --enable-libschroedinger --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzmq --enable-version3 --disable-ffplay --disable-indev=qtkit --disable-indev=x11grab_xcb
    
  libavutil      55. 28.100 / 55. 28.100
    
  libavcodec     57. 48.101 / 57. 48.101
    
  libavformat    57. 41.100 / 57. 41.100
    
  libavdevice    57.  0.101 / 57.  0.101
    
  libavfilter     6. 47.100 /  6. 47.100
    
  libswscale      4.  1.100 /  4.  1.100
    
  libswresample   2.  1.100 /  2.  1.100
    
  libpostproc    54.  0.100 / 54.  0.100
    
[AVFoundation input device @ 0x7fda40421000] AVFoundation video devices:
    
[AVFoundation input device @ 0x7fda40421000] [0] Built-in iSight
    
[AVFoundation input device @ 0x7fda40421000] [1] Capture screen 0
    
[AVFoundation input device @ 0x7fda40421000] AVFoundation audio devices:
    
[AVFoundation input device @ 0x7fda40421000] [0] Soundflower (64ch)
    
[AVFoundation input device @ 0x7fda40421000] [1] Built-in Microphone
    
[AVFoundation input device @ 0x7fda40421000] [2] Soundflower (2ch)
    
[AVFoundation input device @ 0x7fda40421000] [3] Built-in Input
    
: Input/output error

    Okay, we have SoundFlower in devices :

    [AVFoundation input device @ 0x7fda40421000] [2] Soundflower (2ch)

    Then I run AppleScript which gonna switch to the "SoundFlower (2ch)" :

    enableSF("input")

    enableSF("output")

    Where enableSF(stdname) is :

    on enableSF(stdname)    
    
    tell application "System Preferences"   
    
        -- activate 
    
        tell anchor stdname of pane "com.apple.preference.sound" to reveal  
    
        tell application "System Events"    
    
            tell application process "System Preferences"   
    
                tell tab group 1 of window 1    
    
                    delay 2 
    
                    set rowslist to selected of row of table 1 of scroll area 1 
    
                    set counter to 0    
    
                    repeat with id in rowslist  
    
                        set counter to counter + 1  
    
                        set rowName to (value of text field 1 of row counter of table 1 of scroll area 1)   
    

    
                        set output to stdname &amp; " " &amp; rowName   
    
                        set scrpt to "echo \"" &amp; output &amp; "\" >> ~/Desktop/ds.log"  
    
                        do shell script scrpt   
    

    
                        if (rowName is equal to "Soundflower (2ch)") then   
    
                            set selected of row counter of table 1 of scroll area 1 to true 
    

    
                            set output to "
    
                            !!! FOUND SF for " &amp; stdname &amp; " " &amp; rowName    
    
                            set scrpt to "echo \"" &amp; output &amp; "\" >> ~/Desktop/ds.log"  
    
                            log output  
    
                            do shell script scrpt
    
                            exit repeat 
    
                        end if  
    
                    end repeat  
    
                end tell    
    
            end tell    
    
        end tell    
    
    end tell    
    
end enableSF    

    In result I have got this :

    input Internal Microphone
    
input Line In
    
input Digi CoreAudio Device
    
input Soundflower (2ch)
    

    
        !!! FOUND SF for input Soundflower (2ch)
    

    
output Headphones
    
output Digi CoreAudio Device
    
output Soundflower (2ch)
    

    
        !!! FOUND SF for output Soundflower (2ch)

    It means that we switch to the SoundFlower. Actually the same can be done by hands, but the script is more reliable as for me.

    Okay, next we can try to save some audio via SOX :

    $ /Applications/sox-14.3.2/sox -d /Desktop/out.wav

    Input File     : 'default' (coreaudio)
    
Channels       : 2
    
Sample Rate    : 44100
    
Precision      : 32-bit
    
Sample Encoding: 32-bit Signed Integer PCM
    

    

    
In:0.00% 00:00:00.00 [00:00:00.00] Out:0     [      |      ]        Clip:0    
    
...
    
...
    
... 
    
In:0.00% 00:00:02.51 [00:00:00.00] Out:106k  [      |      ]        Clip:0    
    
...
    
...
    
...
    
In:0.00% 00:00:11.80 [00:00:00.00] Out:516k  [      |      ]        Clip:0    /Applications/sox-14.3.2/sox WARN coreaudio: coreaudio: unhandled buffer overrun.  Data discarded.
    
...
    
...
    
...    
    
In:0.00% 00:00:12.35 [00:00:00.00] Out:545k  [      |      ]        Clip:0    /Applications/sox-14.3.2/sox WARN coreaudio: coreaudio: unhandled buffer overrun.  Data discarded.
    
...
    
...
    
...
    
In:0.00% 00:00:13.28 [00:00:00.00] Out:582k  [      |      ]        Clip:0    
    
Aborted.

    And, as you can see, the SOX gives me an empty file. Rather, it gives the data, but there is no sound.

    This happens on all OS from 10.10 to 10.11.6. Normal output should be this type :

    In:0.00% 00:00:00.28 [00:00:00.00] Out:8.19k [======|======]        Clip:0      
    
...
    
...
    
...
    
In:0.00% 00:00:04.37 [00:00:00.00] Out:188k  [ -====|===== ] Hd:1.1 Clip:0 
    
...
    
...
    
...     
    
In:0.00% 00:00:08.82 [00:00:00.00] Out:385k  [======|=====-] Hd:1.1 Clip:0      
    
In:0.00% 00:00:09.01 [00:00:00.00] Out:393k  [-=====|=====-] Hd:1.1 Clip:0      
    
In:0.00% 00:00:09.20 [00:00:00.00] Out:401k  [======|======] Hd:1.1 Clip:0

  • Piwik 3 Development Update #3 – Marketplace for Piwik Analytics

    13 septembre 2016, par Piwik Core Team — Community, Development

    This is our latest Piwik 3 development update where we present all changes that will be shipped with Piwik 3. Learn more about the exciting projects under progress in our Piwik 3 dev update #1 and dev update #2.

    The Piwik Marketplace is the place where you can discover & download plugins to enrich the functionality of your Piwik, and themes to change the look and feel of your Piwik user interface. In preparation for our Piwik 3 release we have made several improvements to the Marketplace :

    • Users can now view more information for a given plugin, such as a link to an online demo, a video demo, how to obtain support from the Plugin’s developer(s), and more.
    • Users can now view which plugins are compatible with the most recent Piwik version, for example view which plugins are already compatible with Piwik 3.
    • Plugin developers can now 1) promote their plugin better, 2) easily define requirement(s) for their plugins using composer.json version constraints (a best practise most developers already use) and 3) developers can define which files and directories should be excluded from the publicly available plugin zip packages.

    These improvements will make it easier for you to discover new Piwik Analytics plugins to achieve your goals.

    Marketplace now supports different Piwik versions

    You can now filter plugins by Piwik version to see only plugins that are compatible with your Piwik.




    When you browse the Marketplace in the Piwik app itself, you will automatically only see plugins and updates that are compatible with your Piwik.

    Better plugin preview

    Plugin developers are able to display screenshots for their plugins, and now plugin developers can also specify a demo URL and a video in the “plugin.json” file. Adding a video to your plugin allows users to get a much better understanding of what your plugin does and how a theme looks.

    Unified support page

    In the past a developer had to define the text that was displayed on the support page. This often resulted in blank support pages or developers only showed an email address. With this new update, links and other support information are displayed in a standardised way as specified in the “support” section of the “plugin.json” file. A developer can now define links to an issue tracker, a wiki, the plugin’s source code and more.

    License files

    The license name on your plugin’s page is now clickable and can show the license text for your plugin. To define a license text for your plugin, create a file named LICENSE, LICENSE.md or LICENSE.txt.

    FAQ and Documentation

    In the past a “FAQ” tab was displayed if such a section was present in the plugin’s readme file. This was hard to understand and sometimes ended up in long readme files. Now we pick up the FAQ content from a docs/faq.md file.

    For plugins developers who wish to provide a user guide(s), it is now possible to show a “documentation” tab to the plugin page by specifying a docs/index.md file.

    Changelog

    When you define a file named CHANGELOG, CHANGELOG.md or CHANGELOG.txt in your plugin, we will show the content of this file in a tab “Changelog” on your plugin’s page. Before it was needed to specify the content of the changelog in the readme file.

    Exclude files from the plugin

    If your plugin source code contains files that are not supposed to be present on a Piwik installation you can now choose to exclude files and directories from your plugin zip archive. When a user installs your plugin the excluded files won’t be there.

    Migrating your plugin for Piwik 3

    We recommend to all plugin developers to specify in the plugin.json file whether their plugin is compatible with Piwik 3 or not. If your plugin defines a “Changelog”, “Support” or “FAQ” section in the README.md file we recommend to migrate this to the new structure. Read more about this in the migration guide.

    Until our next Piwik 3 dev update, Happy analysis !

  • Cannot retrieve native file ffmpeg-amd64.exe

    26 septembre 2016, par Sagor Ahmed

    I am trying to convert video to audio . That is why , I am using the following code :

    File source = new File("E:\\Shunno - Khachar Bhitor Ochin Pakhi.mp4");
    
        File target = new File("E:\\output.mp3");
    
        AudioAttributes audio = new AudioAttributes();
    
    audio.setCodec("libmp3lame");
    
    audio.setBitRate(new Integer(128000));
    
    audio.setChannels(new Integer(2));
    
    audio.setSamplingRate(new Integer(44100));
    
    EncodingAttributes attrs = new EncodingAttributes();
    
    attrs.setFormat("mp3");
    
    attrs.setAudioAttributes(audio);
    
    Encoder encoder = new Encoder();
    
    try
    
    {
    
        encoder.encode(source, target, attrs); 
    
    }
    
    catch (IllegalArgumentException | EncoderException e)
    
    { 
    
    }

    But I am getting the following error :

    Sep 26, 2016 11:28:29 AM it.sauronsoftware.jave.DefaultFFMPEGLocator copyFile
    
SEVERE: Could not get native library for ffmpeg-amd64.exe
    
Exception in thread "main" java.lang.RuntimeException: Cannot retrieve native file ffmpeg-amd64.exe
    
    at it.sauronsoftware.jave.DefaultFFMPEGLocator.copyFile(DefaultFFMPEGLocator.java:139)
    
    at it.sauronsoftware.jave.DefaultFFMPEGLocator.<init>(DefaultFFMPEGLocator.java:80)
    
    at it.sauronsoftware.jave.Encoder.<init>(Encoder.java:105)
    
    at Convert.main(Convert.java:29)
    
</init></init>

    How can I solve this error ? Please help me .

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