Merge pull request #74 from jkevingutierrez/patch-3

Add ability to disable transcode

README.rst

@@ -62,7 +62,7 @@ In a Streamfield:
 A VideoChooserBlock is included
 
 .. code:: python
-  
+
   from wagtail.admin.edit_handlers import StreamFieldPanel
   from wagtail.core.fields import StreamField
   from wagtail.core.models import Page
@@ -103,10 +103,21 @@ be used to create new transcodes. It is assumed that your compiled
 version of ffmpeg has the matching codec libraries required for the
 transcode.
 
+
+Disable transcode:
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Transcode can be disabled using the ``WAGTAIL_VIDEOS_DISABLE_TRANSCODE`` setting.
+
+.. code:: django
+
+    # settings.py
+    WAGTAIL_VIDEOS_DISABLE_TRANSCODE = True
+
 Custom Video models:
 ~~~~~~~~~~~~~~~~~~~~
 
-Same as Wagtail Images, a custom model can be used to replace the built in Video model using the 
+Same as Wagtail Images, a custom model can be used to replace the built in Video model using the
 ``WAGTAILVIDEOS_VIDEO_MODEL`` setting.
 
 .. code:: django
@@ -138,7 +149,7 @@ Same as Wagtail Images, a custom model can be used to replace the built in Video
             unique_together = (
                 ('video', 'media_format')
             )
-        
+
     # Only needed if you are using the text tracks feature
     class CustomTrackListing(AbstractTrackListing):
         video = models.OneToOneField(AttributedVideo, related_name='track_listing', on_delete=models.CASCADE)

wagtailvideos/apps.py

 from django.apps import AppConfig
+from django.conf import settings
 from django.core.checks import Warning, register
 
 from wagtailvideos import ffmpeg
@@ -6,7 +7,10 @@ from wagtailvideos import ffmpeg
 
 def ffmpeg_check(app_configs, **kwargs):
     messages = []
-    if not ffmpeg.installed():
+    if (
+        not ffmpeg.installed()
+        and not getattr(settings, 'WAGTAIL_VIDEOS_DISABLE_TRANSCODE', False)
+    ):
         messages.append(
             Warning(
                 'ffmpeg could not be found on your system. Transcoding will be disabled',

wagtailvideos/templates/wagtailvideos/videos/edit.html

@@ -51,15 +51,15 @@
         </form>
     </div>
     <div class="col6">
-        <div class='row'>
-            <div class='col10 divider-after'>
+        <div class="row">
+            <div class="col10 divider-after">
                 {% video video controls style=max-width:100%;width:100%;height:auto; %}
             </div>
-            <div class='col2'>
-                <dl style='margin-top: 0'>
+            <div class="col2">
+                <dl style="margin-top: 0;">
                     {% if video.thumbnail %}
                     <dt>{% trans "Thumbnail" %}</dt>
-                    <dd><img src="{{ video.thumbnail.url }}" /></dd>
+                    <dd><img src="{{ video.thumbnail.url }}" alt="{% trans 'Video thumbnail' %}" /></dd>
                     {% endif %}
                     <dt>{% trans "Filesize" %}</dt>
                     <dd>{% if filesize %}{{ filesize|filesizeformat }}{% else %}{% trans "File not found" %}{% endif %}</dd>
@@ -77,7 +77,7 @@
                 </dl>
             </div>
         </div>
-        <div class="row" style='margin-top: 2em;'>
+        <div class="row" style="margin-top: 2em;">
         {% if can_transcode %}
             <h2 class="u-text-transform-uppercase">{% trans "Transcodes" %}</h2>
             <p>{% trans "If you wish to generate HTML5 compliant transcodes use the form below. This may take a while depending on the length of the video." %}</p>
@@ -88,11 +88,11 @@
                 <li>
                     {% blocktrans with media_format=transcode.media_format quality=transcode.quality %}{{ media_format }} ({{ quality }} quality){% endblocktrans %}
                     {% if transcode.processing %}
-                        <span class='processing'>{% trans "(Processing... hold tight)" %} </span>
+                        <span class="processing">{% trans "(Processing... hold tight)" %} </span>
                     {% endif %}
                     {% if transcode.error_message %}
-                        <span class='transcode-error'>{% trans "ERROR:" %}</span>
-                        <div class='transcode-error'>
+                        <span class="transcode-error">{% trans "ERROR:" %}</span>
+                        <div class="transcode-error">
                             <pre> {{ transcode.error_message }}</pre>
                         </div>
                     {% endif %}
@@ -107,13 +107,13 @@
                     {% include "wagtailadmin/shared/field_as_li.html" with field=transcode_form.media_format li_classes="label-above label-uppercase" %}
                     {% include "wagtailadmin/shared/field_as_li.html" with field=transcode_form.quality li_classes="label-above label-uppercase" %}
                     <li>
-                        <input class="button" type='submit' value="{% trans 'Start' %}" />
+                        <input class="button" type="submit" value="{% trans 'Start' %}" />
                     </li>
                 </ul>
             </form>
         {% else %}
             <br/><br/>
-            <span class='transcode-error'>{% trans "Ffmpeg is not found on your server. Please install if you wish to transcode videos into an HTML5 video compliant format." %}</span>
+            <span class="transcode-error">{% trans "Ffmpeg is not found on your server or you have disabled transcodes. Please install Ffmepg and make sure that transcoding is enabled if you wish to transcode videos into an HTML5 video compliant format." %}</span>
         {% endif %}
         {% if tracks_action_url %}
             <h2 class="u-text-transform-uppercase">{% trans "Tracks" %}</h2>
@@ -124,9 +124,9 @@
                     <li>{{ track }}</li>
                 {% endfor %}
                 </ul>
-                <a class='button' href="{{ tracks_action_url }}">{% trans "Edit" %}</a>
+                <a class="button" href="{{ tracks_action_url }}">{% trans "Edit" %}</a>
                 {% else %}
-                <a class='button' href="{{ tracks_action_url }}">{% trans "Add tracks" %}</a>
+                <a class="button" href="{{ tracks_action_url }}">{% trans "Add tracks" %}</a>
                 {% endif %}
         {% endif %}
         </div>

wagtailvideos/views/videos.py

 from distutils.version import LooseVersion
 
 import wagtail
+from django.conf import settings
 from django.core.paginator import Paginator
 from django.shortcuts import get_object_or_404, redirect, render
 from django.urls import reverse
@@ -130,7 +131,7 @@ def edit(request, video_id):
         'video': video,
         'form': form,
         'filesize': video.get_file_size(),
-        'can_transcode': ffmpeg.installed(),
+        'can_transcode': ffmpeg.installed() and not getattr(settings, 'WAGTAIL_VIDEOS_DISABLE_TRANSCODE', False),
         'transcodes': video.transcodes.all(),
         'transcode_form': VideoTranscodeAdminForm(video=video),
         'tracks_action_url': action_url,