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Sur d’autres sites (10245)

  • How to add new pages and menu items to Piwik – Introducing the Piwik Platform

    11 septembre 2014, par Thomas Steur — Development

    This is the next post of our blog series where we introduce the capabilities of the Piwik platform (our previous post was How to create a widget). This time you’ll learn how to extend Piwik by adding new pages and menu items. For this tutorial you will need to have basic knowledge of PHP and optionally of Twig which is the template engine we use.

    What can be displayed in a page ?

    To make it short : You can display any corporate related content, key metrics, news, help pages, custom reports, contact details, information about your server, forms to manage any data and anything else.

    Getting started

    In this series of posts, we assume that you have already set up your development environment. If not, visit the Piwik Developer Zone where you’ll find the tutorial Setting up Piwik.

    To summarize the things you have to do to get setup :

    • Install Piwik (for instance via git).
    • Activate the developer mode : ./console development:enable --full.
    • Generate a plugin : ./console generate:plugin --name="MyControllerPlugin". There should now be a folder plugins/MyControllerPlugin.
    • And activate the created plugin under Settings => Plugins.

    Let’s start creating a page

    We start by using the Piwik Console to create a new page :

    ./console generate:controller

    The command will ask you to enter the name of the plugin the controller should belong to. I will simply use the above chosen plugin name “MyControllerPlugin”. There should now be two files plugins/MyControllerPlugin/Controller.php and plugins/MyControllerPlugin/templates/index.twig which both already contain an example to get you started easily :

    Controller.php

    1. class Controller extends \Piwik\Plugin\Controller
      2. 

    2. {
      3. 

    3.     public function index()
      4. 

    4.     {
      5. 

    5.         return $this->renderTemplate('index', array(
      6. 

    6.              'answerToLife' => 42
      7. 

    7.         ));
      8. 

    8.     }
      9. 

    9. }
      10. 

    Télécharger

    and templates/index.twig

    1. {% extends 'dashboard.twig' %}
      2. 

    2.  
      3. 

    3. {% block content %}
      4. 

    4.     <strong>Hello world!</strong>
      5. 

    5.     <br/>
      6. 

    6.  
      7. 

    7.     The answer to life is {{ answerToLife }}
      8. 

    8. {% endblock %}
      9. 

    Télécharger

    Note : If you are generating the Controller before Piwik 2.7.0 the example will look slightly different.

    The controller action index assigns the view variable answerToLife to the view and renders the Twig template templates/index.twig. Any variable assigned this way can then be used in the view using for example {{ answerToLife }}.

    Using a Twig template to generate the content of your page is actually optional : instead feel free to generate any content as desired and return a string in your controller action.

    As the above template index.twig is extending the dashboard template the Logo as well as the top menu will automatically appear on top of your content which is defined within the block content.

    Rendered page content

    How to display the page within the admin

    If you would like to add the admin menu on the left you have to modify the following parts :

    • Extend \Piwik\Plugin\ControllerAdmin instead of \Piwik\Plugin\Controller in the file Controller.php. In a future version of Piwik this step will be no longer neccessary, see #6151
    • Extend the template admin.twig instead of dashboard.twig
    • Define a headline using an H2-element
    1. {% extends 'admin.twig' %}
      2. 

    2.  
      3. 

    3. {% block content %}
      4. 

    4.     <h2>Hello world!</h2>
      5. 

    5.     <br/>
      6. 

    6.  
      7. 

    7.     The answer to life is {{ answerToLife }}
      8. 

    8. {% endblock %}
      9. 

    Télécharger

    Note : Often one needs to add a page to the admin to make a plugin configurable. We have a unified solution for this using the Settings API.

    Admin page

    How to display a blank page

    If you would like to generate a blank page that shows only your content the template should contain only your markup as follows :

    1. <strong>Hello world!</strong>
      2. 

    2. <br/>
      3. 

    3.  
      4. 

    4. The answer to life is {{ answerToLife }}
      5. 

    Télécharger

    Predefined variables, UI components, security and accessing query parameters

    In this blog post we only cover the basics to get you started. We highly recommend to read the MVC guide on our developer pages which covers some of those advanced topics. For instance you might be wondering how to securely access $_GET or $_POST parameters, you might want to restrict the content of your page depending on a user role, and much more.

    If you would like to know how to make use of JavaScript, CSS and Less have a look at our Working with Piwik’s UI guide.

    Note : How to include existing UI components such as a site selector or a date selector will be covered in a future blog post. Also, there are default variables assigned to the view depending on the context. A list of those variables that may or may not be defined is unfortunately not available yet but we will catch up on this.

    Let’s add a menu item to make the page accessible

    So far you have created a page but you can still not access it. Therefore we need to add a menu item to one of the Piwik menus. We start by using the Piwik Console to create a menu template :

    ./console generate:menu

    The command will ask you to enter the name of the plugin the menu should belong to. I will use again the above chosen plugin name “MyControllerPlugin”. There should now be a file plugins/MyControllerPlugin/Menu.php which contains an example to get you started easily :

    Menu.php

    1. class Menu extends \Piwik\Plugin\Menu
      2. 

    2. {
      3. 

    3.     public function configureUserMenu(MenuUser $menu)
      4. 

    4.     {
      5. 

    5.         // reuse an existing category. 
      6. 

    6.         $menu->addManageItem('My User Item', $this->urlForAction('showList'));
      7. 

    7.  
      8. 

    8.         // or create a custom category
      9. 

    9.         $menu->addItem('My Custom Category', 'My User Item', $this->urlForDefaultAction());
      10. 

    10.     }
      11. 

    11. }
      12. 

    Télécharger

    This is only a part of the generated template since all the examples of the different menus are similar. You can add items to four menus :

    • configureReportingMenu To add a new item to the reporting menu which includes all the reports like “Actions” and “Visitors”.
    • configureAdminMenu To add a new item to the admin menu which includes items like “User settings” and “Websites”.
    • configureTopMenu To add a new item to the top menu which includes items like “All Websites” and “Logout”.
    • configureUserMenu To add a new item to the user menu which is accessible when clicking on the username on the top right.

    In this blog post we will add a new item to the user menu and to do so we adjust the generated template like this :

    1. class Menu extends \Piwik\Plugin\Menu
      2. 

    2. {
      3. 

    3.     public function configureUserMenu(MenuUser $menu)
      4. 

    4.     {
      5. 

    5.         $menu->addManageItem('My User Item', $this->urlForAction($method = 'index'), $orderId = 30);
      6. 

    6.     }
      7. 

    7. }
      8. 

    Télécharger

    That’s it. This will add a menu item named “My User Item” to the “Manage” section of the user menu. When a user chooses the menu item, the “index” method of your controller will be executed and your previously created page will be first rendered and then displayed. Optionally, you can define an order to influence the position of the menu item within the manage section. Following this example you can add an item to any menu for any action. I think you get the point !

    User menu

    Note : In Piwik 2.6.0 and before the above example would look like this :

    1. class Menu extends \Piwik\Plugin\Menu
      2. 

    2. {
      3. 

    3.     public function configureUserMenu(MenuUser $menu)
      4. 

    4.     {
      5. 

    5.         $menu->addManageItem('My User Item', array($module = 'MyControllerPlugin', $action = 'index'), $orderId = 30);
      6. 

    6.     }
      7. 

    7. }
      8. 

    Télécharger

    How to test a page

    After you have created your page you are surely wondering how to test it. A controller should be usually very simple as it is only the connector between model and view. Therefore, we do usually not create unit or integration test for controllers and for the view less than ever. Instead we would create a UI test that takes a screenshot of your page and compares it with an expected screenshot. Luckily, there is already a section UI tests in our Automated tests guide.

    Publishing your Plugin on the Marketplace

    In case you want to share your page with other Piwik users you can do this by pushing your plugin to a public GitHub repository and creating a tag. Easy as that. Read more about how to distribute a plugin.

    Advanced features

    Isn’t it easy to create a page ? We never even created a file ! Of course, based on our API design principle “The complexity of our API should never exceed the complexity of your use case.” you can accomplish more if you want : You can make use of Vanilla JavaScript, jQuery, AngularJS, Less and CSS, you can reuse UI components, you can access query parameters and much more.

    Would you like to know more about this ? Go to our MVC (Model-View-Controller) and Working with Piwik’s UI guides in the Piwik Developer Zone.

    If you have any feedback regarding our APIs or our guides in the Developer Zone feel free to send it to us.

  • ffmpeg error when using non root user

    29 août 2014, par mkern

    I have installed ffmpeg and it works perfect if you are root or using sudo but it errors out when trying to use it as a non-root user. I have performed the same install on a test VPS and it installs without issue so it appears to be isolated to this cPanel server. I haven’t been able to identify why.

    Non-Root :

    > ffmpeg -v debug -i 1.mov 1.avi ffmpeg version N-65949-g0ddb051
    
> Copyright (c) 2000-2014 the FFmpeg developers   built on Aug 28 2014
    
> 11:39:47 with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-4)  
    
> configuration: --enable-gpl --enable-libmp3lame --enable-libvorbis
    
> --enable-libvpx --enable-libx264   libavutil      54.  7.100 / 54.  7.100   libavcodec     56.  0.101 / 56.  0.101   libavformat    56.  3.100 / 56.  3.100   libavdevice    56.  0.100 / 56.  0.100   libavfilter     5.  0.103 /  5.  0.103   libswscale      3.  0.100 / 
    
> 3.  0.100   libswresample   1.  1.100 /  1.  1.100   libpostproc    53.  0.100 / 53.  0.100 Splitting the commandline. Reading option '-v' ... matched as option 'v' (set logging level) with argument 'debug'.
    
> Reading option '-i' ... matched as input file with argument '1.mov'.
    
> Reading option '1.avi' ... matched as output file. Finished splitting
    
> the commandline. Parsing a group of options: global . Applying option
    
> v (set logging level) with argument debug. Successfully parsed a group
    
> of options. Parsing a group of options: input file 1.mov. Successfully
    
> parsed a group of options. Opening an input file: 1.mov.
    
> [mov,mp4,m4a,3gp,3g2,mj2 @ 0x348fc20] Format mov,mp4,m4a,3gp,3g2,mj2
    
> probed with size=2048 and score=100 [mov,mp4,m4a,3gp,3g2,mj2 @
    
> 0x348fc20] ISO: File Type Major Brand: qt   [mov,mp4,m4a,3gp,3g2,mj2 @
    
> 0x348fc20] Before avformat_find_stream_info() pos: 698348 bytes
    
> read:39602 seeks:1 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x348fc20] All info
    
> found [mov,mp4,m4a,3gp,3g2,mj2 @ 0x348fc20] After
    
> avformat_find_stream_info() pos: 169190 bytes read:2333362 seeks:67
    
> frames:148 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '1.mov':  
    
> Metadata:
    
>     major_brand     : qt  
    
>     minor_version   : 0
    
>     compatible_brands: qt  
    
>     creation_time   : 2014-06-05 04:40:27
    
>     model           : iPhone 5
    
>     model-eng       : iPhone 5
    
>     encoder         : 7.1.1
    
>     encoder-eng     : 7.1.1
    
>     date            : 2014-06-04T21:40:27-0700
    
>     date-eng        : 2014-06-04T21:40:27-0700
    
>     make            : Apple
    
>     make-eng        : Apple   Duration: 00:00:07.15, start: 0.000023, bitrate: 781 kb/s
    
>     Stream #0:0(und), 41, 1/600: Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p(tv, smpte170m), 480x360, 1/1200, 710 kb/s, 29.09
    
> fps, 600 tbr, 600 tbn, 1200 tbc (default)
    
>     Metadata:
    
>       rotate          : 90
    
>       creation_time   : 2014-06-05 04:40:27
    
>       handler_name    : Core Media Data Handler
    
>       encoder         : H.264
    
>     Side data:
    
>       displaymatrix: rotation of -90.00 degrees
    
>     Stream #0:1(und), 107, 1/44100: Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 63 kb/s (default)
    
>     Metadata:
    
>       creation_time   : 2014-06-05 04:40:27
    
>       handler_name    : Core Media Data Handler Successfully opened the file. Parsing a group of options: output file 1.avi. Successfully
    
> parsed a group of options. Opening an output file: 1.avi. Successfully
    
> opened the file. detected 24 logical cores [graph 0 input from stream
    
> 0:0 @ 0x34aa3a0] Setting 'video_size' to value '480x360' [graph 0
    
> input from stream 0:0 @ 0x34aa3a0] Setting 'pix_fmt' to value '0'
    
> [graph 0 input from stream 0:0 @ 0x34aa3a0] Setting 'time_base' to
    
> value '1/600' [graph 0 input from stream 0:0 @ 0x34aa3a0] Setting
    
> 'pixel_aspect' to value '0/1' [graph 0 input from stream 0:0 @
    
> 0x34aa3a0] Setting 'sws_param' to value 'flags=2' [graph 0 input from
    
> stream 0:0 @ 0x34aa3a0] Setting 'frame_rate' to value '320/11' [graph
    
> 0 input from stream 0:0 @ 0x34aa3a0] w:480 h:360 pixfmt:yuv420p
    
> tb:1/600 fr:320/11 sar:0/1 sws_param:flags=2 [format @ 0x3496b00]
    
> compat: called with args=[yuv420p] [format @ 0x3496b00] Setting
    
> 'pix_fmts' to value 'yuv420p' [AVFilterGraph @ 0x348f320]
    
> query_formats: 4 queried, 3 merged, 0 already done, 0 delayed
    
> [AVFilterGraph @ 0x34bbe60] Error initializing threading.
    
> [AVFilterGraph @ 0x34bbe60] Error creating filter 'anull' Error
    
> opening filters! [AVIOContext @ 0x34967c0] Statistics: 0 seeks, 0
    
> writeouts [AVIOContext @ 0x348f1e0] Statistics: 2333362 bytes read, 67
    
> seeks

    [AVFilterGraph @ 0x34bbe60] Error initializing threading.
    [AVFilterGraph @ 0x34bbe60] Error creating filter ’anull’ Error
    opening filters !

    As ROOT :

    ffmpeg -v verbose -i 1.mov 1.avi
    
ffmpeg version N-65949-g0ddb051 Copyright (c) 2000-2014 the FFmpeg developers
    
  built on Aug 28 2014 11:39:47 with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-4)
    
  configuration: --enable-gpl --enable-libmp3lame --enable-libvorbis --enable-libvpx --enable-libx264
    
  libavutil      54.  7.100 / 54.  7.100
    
  libavcodec     56.  0.101 / 56.  0.101
    
  libavformat    56.  3.100 / 56.  3.100
    
  libavdevice    56.  0.100 / 56.  0.100
    
  libavfilter     5.  0.103 /  5.  0.103
    
  libswscale      3.  0.100 /  3.  0.100
    
  libswresample   1.  1.100 /  1.  1.100
    
  libpostproc    53.  0.100 / 53.  0.100
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '1.mov':
    
  Metadata:
    
    major_brand     : qt  
    
    minor_version   : 0
    
    compatible_brands: qt  
    
    creation_time   : 2014-06-05 04:40:27
    
    model           : iPhone 5
    
    model-eng       : iPhone 5
    
    encoder         : 7.1.1
    
    encoder-eng     : 7.1.1
    
    date            : 2014-06-04T21:40:27-0700
    
    date-eng        : 2014-06-04T21:40:27-0700
    
    make            : Apple
    
    make-eng        : Apple
    
  Duration: 00:00:07.15, start: 0.000023, bitrate: 781 kb/s
    
    Stream #0:0(und): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p(tv, smpte170m), 480x360, 710 kb/s, 29.09 fps, 600 tbr, 600 tbn, 1200 tbc (default)
    
    Metadata:
    
      rotate          : 90
    
      creation_time   : 2014-06-05 04:40:27
    
      handler_name    : Core Media Data Handler
    
      encoder         : H.264
    
    Side data:
    
      displaymatrix: rotation of -90.00 degrees
    
    Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 63 kb/s (default)
    
    Metadata:
    
      creation_time   : 2014-06-05 04:40:27
    
      handler_name    : Core Media Data Handler
    
[graph 0 input from stream 0:0 @ 0x27ed3a0] w:480 h:360 pixfmt:yuv420p tb:1/600 fr:320/11 sar:0/1 sws_param:flags=2
    
[graph 1 input from stream 0:1 @ 0x2800700] tb:1/44100 samplefmt:fltp samplerate:44100 chlayout:0x4
    
Output #0, avi, to '1.avi':
    
  Metadata:
    
    major_brand     : qt  
    
    minor_version   : 0
    
    compatible_brands: qt  
    
    make-eng        : Apple
    
    model           : iPhone 5
    
    model-eng       : iPhone 5
    
    make            : Apple
    
    ISFT            : Lavf56.3.100
    
    ICRD            : 2014-06-04T21:40:27-0700
    
    date-eng        : 2014-06-04T21:40:27-0700
    
    Stream #0:0(und): Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 480x360, q=2-31, 200 kb/s, 29.09 fps, 29.09 tbn, 29.09 tbc (default)
    
    Metadata:
    
      rotate          : 90
    
      creation_time   : 2014-06-05 04:40:27
    
      handler_name    : Core Media Data Handler
    
      encoder         : Lavc56.0.101 mpeg4
    
    Stream #0:1(und): Audio: mp3 (libmp3lame) (U[0][0][0] / 0x0055), 44100 Hz, mono, fltp (default)
    
    Metadata:
    
      creation_time   : 2014-06-05 04:40:27
    
      handler_name    : Core Media Data Handler
    
      encoder         : Lavc56.0.101 libmp3lame
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (h264 (native) -> mpeg4 (native))
    
  Stream #0:1 -> #0:1 (aac (native) -> mp3 (libmp3lame))
    
Press [q] to stop, [?] for help
    
*** dropping frame 79 from stream 0 at ts 80
    
*** dropping frame 113 from stream 0 at ts 114
    
*** dropping frame 145 from stream 0 at ts 146
    
*** dropping frame 177 from stream 0 at ts 178
    
No more output streams to write to, finishing.
    
frame=  204 fps=0.0 q=27.2 Lsize=     348kB time=00:00:07.15 bitrate= 398.4kbits/s dup=0 drop=4    
    
video:271kB audio:56kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 6.560985%
    
Input file #0 (1.mov):
    
  Input stream #0:0 (video): 208 packets read (634624 bytes); 208 frames decoded; 
    
  Input stream #0:1 (audio): 308 packets read (56854 bytes); 308 frames decoded (315392 samples); 
    
  Total: 516 packets (691478 bytes) demuxed
    
Output file #0 (1.avi):
    
  Output stream #0:0 (video): 204 frames encoded; 204 packets muxed (276993 bytes); 
    
  Output stream #0:1 (audio): 274 frames encoded (315392 samples); 275 packets muxed (57469 bytes); 
    
  Total: 479 packets (334462 bytes) muxed

    strace and strace -e outputs :
    strace non root :

     579 clone(child_stack=0x7fd3bfd07ff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|        CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7fd3bfd089d0, tls=0x7fd3bfd08700, child_tidptr=0x7fd3bfd089d0) = 3        2637
    
    580 mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd3bed07000
    
    581 mprotect(0x7fd3bed07000, 4096, PROT_NONE) = 0
    
    582 clone(child_stack=0x7fd3bf506ff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|        CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7fd3bf5079d0, tls=0x7fd3bf507700, child_tidptr=0x7fd3bf5079d0) = -        1 EAGAIN (Resource temporarily unavailable)
    
    583 futex(0x253b420, FUTEX_WAKE_PRIVATE, 1) = 1
    
    584 futex(0x253b3f4, FUTEX_CMP_REQUEUE_PRIVATE, 1, 2147483647, 0x253b420, 4) = 2
    
    585 futex(0x253b420, FUTEX_WAKE_PRIVATE, 1) = 1
    
    586 futex(0x7fd3c2d0e9d0, FUTEX_WAIT, 32631, NULL) = 0
    
    587 munmap(0x7fd3bed07000, 8392704)         = 0
    
    588 munmap(0x7fd3c250e000, 8392704)         = 0
    
    589 munmap(0x7fd3c1d0d000, 8392704)         = 0
    
    590 munmap(0x7fd3c150c000, 8392704)         = 0
    
    591 write(2, "\33[1;32m[AVFilterGraph @ 0x253b0a"..., 39[AVFilterGraph @ 0x253b0a0] ) = 39
    
    592 write(2, "\33[1;31mError initializing thread"..., 41Error initializing threading.
    
    593 ) = 41
    
    594 write(2, "\33[1;32m[AVFilterGraph @ 0x253b0a"..., 39[AVFilterGraph @ 0x253b0a0] ) = 39
    
    595 write(2, "\33[1;31mError creating filter 'an"..., 41Error creating filter 'anull'
    
    596 ) = 41
    
    597 write(2, "\33[4;31mError opening filters!\n\33["..., 34Error opening filters!
    
    598 ) = 34

    strace -e non root :

    strace -e open ffmpeg -i 1.mov 5.avi
    
open("/etc/ld.so.cache", O_RDONLY)      = 3
    
open("/lib64/libasound.so.2", O_RDONLY) = 3
    
open("/usr/lib64/libSDL-1.2.so.0", O_RDONLY) = 3
    
open("/lib64/libpthread.so.0", O_RDONLY) = 3
    
open("/usr/lib64/libx264.so.142", O_RDONLY) = 3
    
open("/usr/lib64/libvpx.so.0", O_RDONLY) = 3
    
open("/usr/local/lib/libvorbisenc.so.2", O_RDONLY) = 3
    
open("/usr/local/lib/libvorbis.so.0", O_RDONLY) = 3
    
open("/usr/local/lib/libmp3lame.so.0", O_RDONLY) = 3
    
open("/lib64/libm.so.6", O_RDONLY)      = 3
    
open("/lib64/libbz2.so.1", O_RDONLY)    = 3
    
open("/usr/local/lib/libz.so.1", O_RDONLY) = 3
    
open("/lib64/librt.so.1", O_RDONLY)     = 3
    
open("/lib64/libc.so.6", O_RDONLY)      = 3
    
open("/lib64/libdl.so.2", O_RDONLY)     = 3
    
open("/usr/local/lib/libogg.so.0", O_RDONLY) = 3
    
ffmpeg version N-65949-g0ddb051 Copyright (c) 2000-2014 the FFmpeg developers
    
  built on Aug 28 2014 11:39:47 with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-4)
    
  configuration: --enable-gpl --enable-libmp3lame --enable-libvorbis --enable-libvpx --enable-libx264
    
  libavutil      54.  7.100 / 54.  7.100
    
  libavcodec     56.  0.101 / 56.  0.101
    
  libavformat    56.  3.100 / 56.  3.100
    
  libavdevice    56.  0.100 / 56.  0.100
    
  libavfilter     5.  0.103 /  5.  0.103
    
  libswscale      3.  0.100 /  3.  0.100
    
  libswresample   1.  1.100 /  1.  1.100
    
  libpostproc    53.  0.100 / 53.  0.100
    
open("1.mov", O_RDONLY|O_CLOEXEC)       = 3
    
open("/etc/localtime", O_RDONLY)        = 4
    
open("/proc/meminfo", O_RDONLY|O_CLOEXEC) = 4
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '1.mov':
    
  Metadata:
    
    major_brand     : qt  
    
    minor_version   : 0
    
    compatible_brands: qt  
    
    creation_time   : 2014-06-05 04:40:27
    
    model           : iPhone 5
    
    model-eng       : iPhone 5
    
    encoder         : 7.1.1
    
    encoder-eng     : 7.1.1
    
    date            : 2014-06-04T21:40:27-0700
    
    date-eng        : 2014-06-04T21:40:27-0700
    
    make            : Apple
    
    make-eng        : Apple
    
  Duration: 00:00:07.15, start: 0.000023, bitrate: 781 kb/s
    
    Stream #0:0(und): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p(tv, smpte170m), 480x360, 710 kb/s, 29.09 fps, 600 tbr, 600 tbn, 1200 tbc (default)
    
    Metadata:
    
      rotate          : 90
    
      creation_time   : 2014-06-05 04:40:27
    
      handler_name    : Core Media Data Handler
    
      encoder         : H.264
    
    Side data:
    
      displaymatrix: rotation of -90.00 degrees
    
    Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 63 kb/s (default)
    
    Metadata:
    
      creation_time   : 2014-06-05 04:40:27
    
      handler_name    : Core Media Data Handler
    
open("5.avi", O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, 0666) = 4
    
[AVFilterGraph @ 0x26ff4a0] Error initializing threading.
    
[AVFilterGraph @ 0x26ff4a0] Error creating filter 'anull'
    
Error opening filters!

    strace root :

     579 clone(child_stack=0x7f4eb7c34ff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|        CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f4eb7c359d0, tls=0x7f4eb7c35700, child_tidptr=0x7f4eb7c359d0) = 3        383
    
    580 mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4eb6c34000
    
    581 mprotect(0x7f4eb6c34000, 4096, PROT_NONE) = 0
    
    582 clone(child_stack=0x7f4eb7433ff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|        CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f4eb74349d0, tls=0x7f4eb7434700, child_tidptr=0x7f4eb74349d0) = 3        384
    
    583 mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4eb6433000
    
    584 mprotect(0x7f4eb6433000, 4096, PROT_NONE) = 0
    
    585 clone(child_stack=0x7f4eb6c32ff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|        CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f4eb6c339d0, tls=0x7f4eb6c33700, child_tidptr=0x7f4eb6c339d0) = 3        385
    
    586 mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4eb5c32000
    
    587 mprotect(0x7f4eb5c32000, 4096, PROT_NONE) = 0
    
    588 clone(child_stack=0x7f4eb6431ff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|        CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f4eb64329d0, tls=0x7f4eb6432700, child_tidptr=0x7f4eb64329d0) = 3        386
    
    589 mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4eb5431000
    
    590 mprotect(0x7f4eb5431000, 4096, PROT_NONE) = 0
    
    591 clone(child_stack=0x7f4eb5c30ff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|        CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f4eb5c319d0, tls=0x7f4eb5c31700, child_tidptr=0x7f4eb5c319d0) = 3        387
    
    592 mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4eb4c30000
    
    593 mprotect(0x7f4eb4c30000, 4096, PROT_NONE) = 0
    
    594 clone(child_stack=0x7f4eb542fff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|        CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f4eb54309d0, tls=0x7f4eb5430700, child_tidptr=0x7f4eb54309d0) = 3        388
    
    595 mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4eb442f000
    
    596 mprotect(0x7f4eb442f000, 4096, PROT_NONE) = 0
    
    597 clone(child_stack=0x7f4eb4c2eff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|        CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f4eb4c2f9d0, tls=0x7f4eb4c2f700, child_tidptr=0x7f4eb4c2f9d0) = 3        389
    
    598 mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4eb3c2e000

    strace -e root :

        strace -e open ffmpeg -i 1.mov 5.avi
    
    open("/etc/ld.so.cache", O_RDONLY)      = 3
    
    open("/lib64/libasound.so.2", O_RDONLY) = 3
    
    open("/usr/lib64/libSDL-1.2.so.0", O_RDONLY) = 3
    
    open("/lib64/libpthread.so.0", O_RDONLY) = 3
    
    open("/usr/lib64/libx264.so.142", O_RDONLY) = 3
    
    open("/usr/lib64/libvpx.so.0", O_RDONLY) = 3
    
    open("/usr/local/lib/libvorbisenc.so.2", O_RDONLY) = 3
    
    open("/usr/local/lib/libvorbis.so.0", O_RDONLY) = 3
    
    open("/usr/local/lib/libmp3lame.so.0", O_RDONLY) = 3
    
    open("/lib64/libm.so.6", O_RDONLY)      = 3
    
    open("/lib64/libbz2.so.1", O_RDONLY)    = 3
    
    open("/usr/local/lib/libz.so.1", O_RDONLY) = 3
    
    open("/lib64/librt.so.1", O_RDONLY)     = 3
    
    open("/lib64/libc.so.6", O_RDONLY)      = 3
    
    open("/lib64/libdl.so.2", O_RDONLY)     = 3
    
    open("/usr/local/lib/libogg.so.0", O_RDONLY) = 3
    
    ffmpeg version N-65957-gc6a3b00 Copyright (c) 2000-2014 the FFmpeg developers
    
      built on Aug 28 2014 13:37:32 with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-4)
    
      configuration: --enable-gpl --enable-libmp3lame --enable-libvorbis --enable-libvpx --enable-libx264 --prefix=/usr --libdir=/usr/lib64 --enable-gpl --enable-libmp3lame --enable-libvorbis --enable-libvpx --enable-libx264
    
      libavutil      54.  7.100 / 54.  7.100
    
      libavcodec     56.  0.101 / 56.  0.101
    
      libavformat    56.  3.100 / 56.  3.100
    
      libavdevice    56.  0.100 / 56.  0.100
    
      libavfilter     5.  0.103 /  5.  0.103
    
      libswscale      3.  0.100 /  3.  0.100
    
      libswresample   1.  1.100 /  1.  1.100
    
      libpostproc    53.  0.100 / 53.  0.100
    
    open("1.mov", O_RDONLY|O_CLOEXEC)       = 3
    
    open("/etc/localtime", O_RDONLY)        = 4
    
    open("/proc/meminfo", O_RDONLY|O_CLOEXEC) = 4
    
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '1.mov':
    
      Metadata:
    
        major_brand     : qt  
    
        minor_version   : 0
    
        compatible_brands: qt  
    
        creation_time   : 2014-06-05 04:40:27
    
        model           : iPhone 5
    
        model-eng       : iPhone 5
    
        encoder         : 7.1.1
    
        encoder-eng     : 7.1.1
    
        date            : 2014-06-04T21:40:27-0700
    
        date-eng        : 2014-06-04T21:40:27-0700
    
        make            : Apple
    
        make-eng        : Apple
    
      Duration: 00:00:07.15, start: 0.000023, bitrate: 781 kb/s
    
        Stream #0:0(und): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p(tv, smpte170m), 480x360, 710 kb/s, 29.09 fps, 600 tbr, 600 tbn, 1200 tbc (default)
    
        Metadata:
    
          rotate          : 90
    
          creation_time   : 2014-06-05 04:40:27
    
          handler_name    : Core Media Data Handler
    
          encoder         : H.264
    
        Side data:
    
          displaymatrix: rotation of -90.00 degrees
    
        Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 63 kb/s (default)
    
        Metadata:
    
          creation_time   : 2014-06-05 04:40:27
    
          handler_name    : Core Media Data Handler
    
    File '5.avi' already exists. Overwrite ? [y/N] y
    
    open("5.avi", O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, 0666) = 4
    
    Output #0, avi, to '5.avi':
    
      Metadata:
    
        major_brand     : qt  
    
        minor_version   : 0
    
        compatible_brands: qt  
    
        make-eng        : Apple
    
        model           : iPhone 5
    
        model-eng       : iPhone 5
    
        make            : Apple
    
        ISFT            : Lavf56.3.100
    
        ICRD            : 2014-06-04T21:40:27-0700
    
        date-eng        : 2014-06-04T21:40:27-0700
    
        Stream #0:0(und): Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 480x360, q=2-31, 200 kb/s, 29.09 fps, 29.09 tbn, 29.09 tbc (default)
    
        Metadata:
    
          rotate          : 90
    
          creation_time   : 2014-06-05 04:40:27
    
          handler_name    : Core Media Data Handler
    
          encoder         : Lavc56.0.101 mpeg4
    
        Stream #0:1(und): Audio: mp3 (libmp3lame) (U[0][0][0] / 0x0055), 44100 Hz, mono, fltp (default)
    
        Metadata:
    
          creation_time   : 2014-06-05 04:40:27
    
          handler_name    : Core Media Data Handler
    
          encoder         : Lavc56.0.101 libmp3lame
    
    Stream mapping:
    
      Stream #0:0 -> #0:0 (h264 (native) -> mpeg4 (native))
    
      Stream #0:1 -> #0:1 (aac (native) -> mp3 (libmp3lame))
    
    Press [q] to stop, [?] for help
    
    frame=  204 fps=0.0 q=27.2 Lsize=     348kB time=00:00:07.15 bitrate= 398.4kbits/s dup=0 drop=4    
    
    video:271kB audio:56kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 6.560985%

  • correctly escaping text in drawtext filter

    6 novembre 2013, par mente

    According to documentation %{}:, should be escaped with slash. But when I escape % the text is not added. There's error message saying Stray % near ')'. But what does it mean and how I can fix it ? Command and output :

    $ /usr/bin/ffmpeg -y -i /home/www/255871.mov -af 'aresample=async=1:min_hard_comp=0.100000' -vf 'scale=480:trunc(ow/a/2)*2,transpose=1 [in];movie=watermarks/text-box440.mov,scale=320:55 [bg];[in][bg] overlay=x=20:y=main_h-80,drawtext=fontsize=20:fix_bounds=1:fontfile=Helvetica\\:Style=bold:fontcolor=0xe6b300:text=small kitten \%\):x=30:y=h-80+ascent/2:draw=gte(t\,0)\;lt(t\,5) [out]' -pix_fmt yuv420p -r 24.39 -map_metadata -1 -movflags +faststart -f mp4 -vcodec libx264 -b:v 800k -maxrate 1100k -bufsize 2M -bt 256k -profile:vbaseline -acodec libfdk_aac -ab 64k -ar 44100 -ac 1 /tmp/kitten.mp4
    
ffmpeg version 1.2 Copyright (c) 2000-2013 the FFmpeg developers
    
  built on Mar 15 2013 18:40:14 with gcc 4.4.6 (GCC) 20120305 (Red Hat 4.4.6-4)
    
  configuration: --enable-gpl --enable-libmp3lame --enable-libvo-aacenc --enable-libx264 --enable-version3 --enable-pthreads --enable-libfaac --enable-nonfree --enable-libfdk_a
    
ac --enable-fontconfig --enable-libfreetype
    
  libavutil      52. 18.100 / 52. 18.100
    
  libavcodec     54. 92.100 / 54. 92.100
    
  libavformat    54. 63.104 / 54. 63.104
    
  libavdevice    54.  3.103 / 54.  3.103
    
  libavfilter     3. 42.103 /  3. 42.103
    
  libswscale      2.  2.100 /  2.  2.100
    
  libswresample   0. 17.102 /  0. 17.102
    
  libpostproc    52.  2.100 / 52.  2.100
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/www/255871.mov':
    
  Metadata:
    
    major_brand     : qt
    
    minor_version   : 0
    
    compatible_brands: qt
    
    creation_time   : 2012-07-17 07:42:35
    
    model           : iPhone 3GS
    
    model-rus       : iPhone 3GS
    
    encoder         : 4.2.1
    
    encoder-rus     : 4.2.1
    
    date            : 2012-07-17T10:42:35+0300
    
    date-rus        : 2012-07-17T10:42:35+0300
    
    make            : Apple
    
    make-rus        : Apple
    
  Duration: 00:00:09.38, start: 0.000000, bitrate: 790 kb/s
    
    Stream #0:0(und): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p, 480x360, 720 kb/s, 29.97 fps, 29.97 tbr, 600 tbn, 1200 tbc
    
    Metadata:
    
      rotate          : 90
    
      creation_time   : 2012-07-17 07:42:35
    
      handler_name    : Core Media Data Handler
    
    Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 63 kb/s
    
    Metadata:
    
      creation_time   : 2012-07-17 07:42:35
    
      handler_name    : Core Media Data Handler
    
[Parsed_drawtext_5 @ 0x2ae9b00] Using "/usr/share/fonts/default/Type1/n019003l.pfb"
    
[libx264 @ 0x2ae7d40] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
    
[libx264 @ 0x2ae7d40] profile Constrained Baseline, level 2.1
    
[libx264 @ 0x2ae7d40] 264 - core 130 r2274 c832fe9 - H.264/MPEG-4 AVC codec - Copyleft 2003-2013 - http://www.videolan.org/x264.html - options: cabac=0 ref=3 deblock=1:0:0 analyse=0x1:0x111 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=250 keyint_min=24 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=800 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=1100 vbv_bufsize=2000 nal_hrd=none ip_ratio=1.40 aq=1:1.00
    
Output #0, mp4, to '/tmp/kitten.mp4':
    
  Metadata:
    
    encoder         : Lavf54.63.104
    
    Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 360x480, q=-1--1, 800 kb/s, 19512 tbn, 24.39 tbc
    
    Stream #0:1: Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, mono, s16, 64 kb/s
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (h264 -> libx264)
    
  Stream #0:1 -> #0:1 (aac -> libfdk_aac)
    
Press [q] to stop, [?] for help
    
[Parsed_drawtext_5 @ 0x2ae9b00] Stray % near ')'
    
    Last message repeated 201 times
    
Stray % near ')'0.0 q=27.0 size=     480kB time=00:00:07.96 bitrate= 493.4kbits/s dup=0 drop=35
    
[Parsed_drawtext_5 @ 0x2ae9b00] Stray % near ')'
    
    Last message repeated 77 times
    
Starting second pass: moving header on top of the file
    
frame=  231 fps=0.0 q=-1.0 Lsize=    1002kB time=00:00:09.47 bitrate= 866.6kbits/s dup=0 drop=50
    
video:921kB audio:74kB subtitle:0 global headers:0kB muxing overhead 0.680957%
    
[libx264 @ 0x2ae7d40] frame I:1     Avg QP:24.43  size: 13264
    
[libx264 @ 0x2ae7d40] frame P:230   Avg QP:23.72  size:  4041
    
[libx264 @ 0x2ae7d40] mb I  I16..4: 24.8%  0.0% 75.2%
    
[libx264 @ 0x2ae7d40] mb P  I16..4:  2.3%  0.0%  4.8%  P16..4: 34.4% 28.8%  9.4%  0.0%  0.0%    skip:20.3%
    
[libx264 @ 0x2ae7d40] coded y,uvDC,uvAC intra: 62.5% 54.2% 4.4% inter: 19.6% 20.3% 0.1%
    
[libx264 @ 0x2ae7d40] i16 v,h,dc,p: 36% 29% 19% 16%
    
[libx264 @ 0x2ae7d40] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 21% 20%  6%  8%  7%  7%  6%  6%
    
[libx264 @ 0x2ae7d40] i8c dc,h,v,p: 65% 15% 17%  3%
    
[libx264 @ 0x2ae7d40] ref P L0: 93.4%  4.3%  2.3%
    
[libx264 @ 0x2ae7d40] kb/s:796.32

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