thumbnail generation and primitive search

git-svn-id: http://yolanda.mister-muffin.de/svn@405 7eef14d0-6ed0-489d-bf55-20463b2d70db

trunk/development.ini

@@ -19,9 +19,13 @@ port = 5000
 use = egg:Yolanda
 full_stack = true
 cache_dir = /tmp/yolanda/data
-beaker.session.key = yolanda
+beaker.session.key = yolandav
 beaker.session.secret = somesecret
 
+directory_videos = videos
+directory_video-stills = video-stills
+directory_video-thumbnails = thumbnails
+
 # If you'd like to fine-tune the individual locations of the cache data dirs
 # for the Cache data, or the Session saves, un-comment the desired settings
 # here:
@@ -33,7 +37,6 @@ beaker.session.secret = somesecret
 # execute malicious code after an exception is raised.
 #set debug = false
 
-
 # Logging configuration
 [loggers]
 keys = root, yolanda

trunk/yolanda/config/routing.py

@@ -32,14 +32,14 @@ def make_map():
 
         video = kargs.pop('video')
         kargs['id'] = video['id']
-        kargs['title'] = video['title']
+        kargs['dc_title'] = video['dc_title']
 
         return kargs
 
-    map.connect('video_page', 'video/:id/:title', controller='video', _filter=video_expand)
+    map.connect('video_page', 'video/:id/:dc_title', controller='video', _filter=video_expand)
     # map.connect('video_file', 'video/:id.ogv', controller='video', action='file' _filter=video_expand)
     
-    map.connect('download_page', 'download/:id/:title', controller='download', action="download")
+    map.connect('download_page', 'download/:id/:dc_title', controller='download', action="download")
     
     # everything else
     map.connect(':controller/:action/:id')

trunk/yolanda/controllers/search.py

@@ -1,4 +1,21 @@
+## Yolanda, a video CMS for the web
+## Copyright (C) 2007, 2008 Nils Dagsson Moskopp, Johannes Schauer
+
+## This program is free software: you can redistribute it and/or modify
+## it under the terms of the GNU Affero General Public License as
+## published by the Free Software Foundation, either version 3 of the
+## License, or (at your option) any later version.
+
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU Affero General Public License for more details.
+
+## You should have received a copy of the GNU Affero General Public License
+## along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 import logging
+import os
 
 from yolanda.lib.base import *
 
@@ -8,23 +25,29 @@ class SearchController(BaseController):
 
     def results(self):
 
-        c.query     =   request.params['query']
-
-        # c.results dummy
-        c.results = [
-                    {'title': 'foobar', 'id': '23' },
-                    {'title': 'blablupp', 'id': '42'},
-                    {'title': 'uiae nrdt', 'id': '555'},
-                    {'title': 'uiaenrtd uiaenrtd uiaenrdt', 'id': '666666666'},
-                    {'title': 'foobar', 'id': '23'},
-                    {'title': 'blablupp', 'id': '42'},
-                    {'title': 'James Bond drives a bulletproof Aston Martin !!!', 'id': '555'},
-                    {'title': 'uiaenrtd uiaenrtd uiaenrdt uiaenrtd uiaenrtd', 'id': '666666666'},
-                    {'title': 'foobar', 'id': '123'},
-                    {'title': 'blablupp', 'id': '42'},
-                    {'title': 'lolwtf hax !!!11', 'id': '9001'}
-                    ]
+        c.query = request.params['query']
+
+        raw_results = model.Video.query.filter_by(dc_title=c.query).all()
+
+        if not raw_results:
+            c.message = {
+                'type': 'warning'
+            }
+            c.message['text']='No results for query "%s".' % c.query
+            return render('/xhtml/results.mako')
+
+        c.results = []
+
+        for result in raw_results:
+            c.results.append(
+                {
+                'dc_title': result.dc_title,
+                'id': result.id,
+                'snapshot': os.path.join(config['directory_video-stills'],str(result.id)),
+                'thumbnail': os.path.join(config['directory_video-thumbnails'],str(result.id))
+                }
+            )
 
         return render('/xhtml/results.mako')
         # return request.params['query']
-        # return h.form(h.url(action='search'), method='get')
+        # return h.form(h.url(action='search'), method='get'

trunk/yolanda/controllers/upload.py

@@ -1,4 +1,4 @@
-## <one line to give the program's name and a brief idea of what it does.>
+## Yolanda, a video CMS for the web
 ## Copyright (C) 2007, 2008 Nils Dagsson Moskopp, Johannes Schauer
 
 ## This program is free software: you can redistribute it and/or modify
@@ -70,23 +70,25 @@ class UploadController(BaseController):
             # TODO: enable several contributors
             dc_contributor = '',
 
-            dc_created = '',
-            dc_valid = '',
-            dc_available = '',
-            dc_issued = '',
-            dc_modified = '',
-            dc_dateAccepted = '',
-            dc_dateCopyrighted = '',
-            dc_dateSubmitted = datetime.today().isoformat(),
+            # TODO: insert real data
+            dc_created = datetime(9999,9,9).strftime("%Y-%m-%d %H:%M:%S"),
+            dc_valid = datetime(9999,9,9).strftime("%Y-%m-%d %H:%M:%S"),
+            dc_available = datetime(9999,9,9).strftime("%Y-%m-%d %H:%M:%S"),
+            dc_issued = datetime(9999,9,9).strftime("%Y-%m-%d %H:%M:%S"),
+            dc_modified = datetime(9999,9,9).strftime("%Y-%m-%d %H:%M:%S"),
+            dc_dateAccepted = datetime(9999,9,9).strftime("%Y-%m-%d %H:%M:%S"),
+            dc_dateCopyrighted = datetime(9999,9,9).strftime("%Y-%m-%d %H:%M:%S"),
+            dc_dateSubmitted = datetime.now().strftime("%Y-%m-%d %H:%M:%S"),
 
             dc_identifier = '',
             dc_source = '',
             dc_language = request.params['language'],
 
-            dc_extent = timedelta(0), # TODO: insert videolength
+            # TODO: insert videolength
+            dc_extent = timedelta(0),
 
             dc_spatial = request.params['spatial'],
-            dc_temporal = request.params['temporal'],
+            dc_temporal = datetime(9999,9,9).strftime("%Y-%m-%d %H:%M:%S"),
 
             dc_rightsHolder = '',
 
@@ -108,11 +110,12 @@ class UploadController(BaseController):
 
         # define stuff
         videosource=os.path.join(config['cache.dir'], str(video.id))
-        videodestination=os.path.join(config['pylons.paths']['static_files'], "videos", str(video.id))
-        imagedestination=os.path.join(config['pylons.paths']['static_files'], "video-stills", str(video.id))
+        videodestination=os.path.join(config['pylons.paths']['static_files'], config['directory_videos'], str(video.id))
+        snapshotdestination=os.path.join(config['pylons.paths']['static_files'], config['directory_video-stills'], str(video.id))
+        thumbnaildestination=os.path.join(config['pylons.paths']['static_files'], config['directory_video-thumbnails'], str(video.id))
 
         # start encoding thread in background
-        threading.Thread(target=self.bgencode, args=(videosource, videodestination, imagedestination)).start()
+        threading.Thread(target=self.bgencode, args=(videosource, videodestination, snapshotdestination, thumbnaildestination)).start()
 
         # return 'Successfully uploaded: %s'%video.query.all()
         c.message = {
@@ -122,9 +125,11 @@ class UploadController(BaseController):
         c.message['text']='Your file was successfully uploaded to "%s".'%videodestination
         return render('/xhtml/index.mako')
 
-    def bgencode(self, source, destination, snapshotdestination):
+    def bgencode(self, source, destination, snapshotdestination, thumbnaildestination):
         videosnapshot = snapshot.Snapshot(source).get_snapshot()
-        videosnapshot.save(snapshotdestination, "JPEG")
+        videosnapshot.save(snapshotdestination, 'JPEG')
+        videosnapshot.thumbnail((300,150))
+        videosnapshot.save(thumbnaildestination, 'JPEG')
         videoencode = encode.Encode(source,destination)
         videoencode.run()
         os.unlink(source)

trunk/yolanda/lib/gstreamer/snapshot.py

@@ -55,10 +55,9 @@ class Snapshot:
             #get current buffer's capabilities
             caps = buffer.get_caps ()
             #we are interested in it's dimension
-            h, w = caps[0]['height'], caps[0]['width']
+            height, width = caps[0]['height'], caps[0]['width']
             #using PIL we grab the image in raw RGB mode from the buffer data
-            im = Image.frombuffer('RGB', (w, h), buffer.data,
-                                  'raw', 'RGB', 0, 1)
+            im = Image.frombuffer('RGB', (width, height), buffer.data,'raw', 'RGB', 0, 1)
             #here we check the standard variance of a grayscale version of the
             #current frame against the BORING_IMAGE_VARIANCE
             if ImageStat.Stat(ImageOps.grayscale(im)).var[0] > \

trunk/yolanda/lib/helpers.py

@@ -6,4 +6,4 @@ available to Controllers. This module is available to both as 'h'.
 from webhelpers import *
 
 # between 0.9.6 and 0.9.7, some things are no longer imported by default
-from routes import url_for
+from pylons.controllers.util import url_for

trunk/yolanda/model/entities.py

@@ -23,8 +23,8 @@ class Video(Entity):
     dc_dateCopyrighted = Field(DateTime)
     dc_dateSubmitted = Field(DateTime)
 
-    dc_identifier = Field(Unicode(255))
-    dc_source = Field(Unicode(255))
+    dc_identifier = Field(Unicode(255)) # URI
+    dc_source = Field(Unicode(255)) # URI
     dc_language = Field(Unicode(3)) # see ISO 639-3
 
     dc_extent = Field(Interval)

trunk/yolanda/templates/xhtml/base.mako

@@ -8,7 +8,7 @@
 
         <h1>Search</h1>
 
-        <form action="(h.url_for('search_results'))}" method="get">
+        <form action="${h.url_for('search_results')}" method="get">
 
             <input id="query" name="query" type="text"/>
             <input type="submit" value="Search"/>

trunk/yolanda/templates/xhtml/results.mako

@@ -5,7 +5,7 @@
 </%def>
 
 <%def name="heading()">
-    There are over 9000 videos matching "${c.query}".
+    There are ${len(c.results)} videos matching "${c.query}".
 </%def>
 
 <%def name="results_listing(results)">
@@ -13,11 +13,12 @@
     % for result in c.results:
         <li>
             <a href="${h.url_for('video_page', video=result)}">
-                <img src="${h.url_for('/images/404.png')}" alt='thumbnail for "${result['title']}"'/>
+
+                <img src="${result['thumbnail']}" alt='thumbnail for "${result['dc_title']}"'/>
             </a>
             <br />
             <a href="${h.url_for('video_page', video=result)}" class="title">
-                ${result['title']}
+                ${result['dc_title']}
             </a>
         </li>
     % endfor