serve frames, timelines and videos, wire up timeline demo

pandora/app/views.py

@@ -16,6 +16,10 @@ def index(request):
     context = RequestContext(request, {'settings':settings})
     return render_to_response('index.html', context)
 
+def timeline(request):
+    context = RequestContext(request, {'settings':settings})
+    return render_to_response('timeline.html', context)
+
 def api_getPage(request):
     data = json.loads(request.POST['data'])
     name = data['page']

pandora/archive/extract.py

@@ -194,34 +194,22 @@ def run_command(cmd, timeout=10):
         killedpid, stat = os.waitpid(p.pid, os.WNOHANG)
     return p.returncode
 
-def frame(videoFile, position, baseFolder, width=128, redo=False):
+def frame(videoFile, frame, position, width=128, redo=False):
     '''
         params:
-            videoFile
+            videoFile input
+            frame     output
             position as float in seconds
-            baseFolder to write frames to
             width of frame
             redo boolean to extract file even if it exists
     '''
-    def frame_path(size):
-        return os.path.join(baseFolder, "%s.%s.%s" % (ox.ms2time(position*1000), size, img_extension))
-
-    #not using input file, to slow to extract frame right now
-    base_size = 320
-    frame = frame_path(base_size)
-
     if exists(videoFile):
+        frameFolder = os.path.dirname(frame)
         if redo or not exists(frame):
-            if not exists(baseFolder):
+            if not exists(frameFolder):
-                os.makedirs(baseFolder)
+                os.makedirs(frameFolder)
-            cmd = ['oggThumb', '-t', str(position), '-n', frame, '-s', '%dx0'%base_size, videoFile]
+            cmd = ['oxframe', '-i', videoFile, '-o', frame, '-p', str(position), '-x', str(width)]
             run_command(cmd)
-    if width != base_size:
-        frame_base = frame
-        frame = frame_path(width)
-        if not exists(frame):
-            resize_image(frame_base, frame, width)
-    return frame
 
 def resize_image(image_source, image_output, width=None, size=None):
     if exists(image_source):

pandora/backend/models.py

@@ -259,9 +259,11 @@ class Movie(models.Model):
                           self.get('season', ''), self.get('episode', ''))
 
     def frame(self, position, width=128):
-        #FIXME: compute offset and so on
+        stream = self.streams.filter(profile=settings.VIDEO_PROFILE+'.webm')[0]
-        f = self.files.all()[0]
+        path = os.path.join(settings.MEDIA_ROOT, 'frame', self.movieId, "%d"%width, "%s.jpg"%position)
-        return f.frame(position, width)
+        if not os.path.exists(path):
+            extract.frame(stream.video.path, path, position, width)
+        return path
 
     def updateFind(self):
         try:
@@ -411,6 +413,10 @@ class Movie(models.Model):
                 subprocess.Popen(cmd)
             part += 1
 
+    @property
+    def timeline_prefix(self):
+        return os.path.join('stream', movieid_path(self.movieId), 'timeline')
+
     def updateStreams(self):
         files = {}
         for f in self.files.filter(is_main=True, video_available=True):
@@ -428,11 +434,13 @@ class Movie(models.Model):
                 else:
                     cmd.append('+')
                     cmd.append(files[f])
+            if not os.path.exists(os.path.dirname(stream.video.path)):
+                os.makedirs(os.path.dirname(stream.video.path))
             cmd = [ 'mkvmerge', '-o', stream.video.path ] + cmd
             subprocess.Popen(cmd)
             stream.save()
 
-            extract.timeline(stream.video.path, os.path.join(stream.video.path[:-len(stream.profile)], 'timeline'))
+            extract.timeline(stream.video.path, os.path.join(settings.MEDIA_ROOT, self.timeline_prefix))
             stream.extract_derivatives()
             
             #something with poster
@@ -705,9 +713,12 @@ class Collection(models.Model):
     def editable(self, user):
         return self.users.filter(id=user.id).count() > 0
 
+
+def movieid_path(h):
+    return os.path.join(h[:2], h[2:4], h[4:6], h[6:])
 def stream_path(f):
     h = f.movie.movieId
-    return os.path.join('stream', h[:2], h[2:4], h[4:6], h[6:], f.profile)
+    return os.path.join('stream', movieid_path(h), f.profile)
 
 class Stream(models.Model):
     class Meta:

pandora/backend/urls.py

@@ -5,10 +5,13 @@ from django.conf.urls.defaults import *
 
 
 urlpatterns = patterns("backend.views",
-    (r'^frame/(?P<id>.*)/(?P<position>.*)\.(?P<size>\d+).jpg$', 'frame'),
+    (r'^(?P<id>.*)/frame/(?P<size>\d+)/(?P<position>[0-9\.,]+).jpg$', 'frame'),
-    (r'^stream/(?P<id>.*).(?P<quality>.*).ogv$', 'video'),
+    (r'^(?P<id>.*)/(?P<profile>.*.webm)$', 'video'),
-    (r'^poster/(?P<id>.*)\.(?P<size>\d+)\.jpg$', 'poster'),
+    (r'^(?P<id>.*)/(?P<profile>.*.mp4)$', 'video'),
-    (r'^poster/(?P<id>.*)\.jpg$', 'poster'),
+    (r'^(?P<id>.*)/poster\.(?P<size>\d+)\.jpg$', 'poster'),
+    (r'^(?P<id>.*)/poster\.jpg$', 'poster'),
+    (r'^(?P<id>.*)/timelines/timeline\.(?P<size>\d+)\.(?P<position>\d+)\.png$', 'timeline'),
+    (r'^(?P<id>.*)/data/(?P<data>.+)\.json$', 'data'),
     (r'^api/$', 'api'),
 )
 

pandora/backend/views.py

@@ -494,45 +494,6 @@ def api_getImdbId(request):
 		response = json_response(status=404, text='not found')
     return render_to_json_response(response)
 
-def poster(request, id, size=None):
-    print id, size
-    movie = get_object_or_404(models.Movie, movieId=id)
-    if movie.poster:
-        if size:
-            size = int(size)
-            poster_path = movie.poster.path.replace('.jpg', '.%d.jpg'%size)
-            if not os.path.exists(poster_path):
-                poster_size = max(movie.poster.width, movie.poster.height)
-                size = min(size, poster_size)
-                poster_path = movie.poster.path.replace('.jpg', '.%d.jpg'%size)
-                extract.resize_image(movie.poster.path, poster_path, size=size)
-            url = movie.poster.url.replace('.jpg', '.%d.jpg'%size)
-        elif movie.poster:
-                url = movie.poster.url
-    else:
-        url = movie.poster_url
-    if not url:
-        url = '/static/png/posterDark.48.png'
-    return redirect(url)
-
-def video(request, id, quality):
-    movie = get_object_or_404(models.Movie, movieId=id)
-    if quality not in settings.VIDEO_ENCODING:
-        raise Http404
-    stream = getattr(movie, 'stream_'+quality)
-    response = HttpFileResponse(stream.path, content_type='video/ogg')
-    #FIXME: movie needs duration field
-    #response['Content-Duration'] = movie.duration
-    return response
-
-def frame(request, id, position, size):
-    movie = get_object_or_404(models.Movie, movieId=id)
-    position = ox.time2ms(position)/1000
-    frame = movie.frame(position, int(size))
-    if not frame:
-        raise Http404
-    return HttpFileResponse(frame, content_type='image/jpeg')
-
 def apidoc(request):
     '''
         this is used for online documentation at http://127.0.0.1:8000/api/
@@ -573,3 +534,53 @@ def apidoc(request):
     context = RequestContext(request, {'api': api,
                                        'sitename': settings.SITENAME,})
     return render_to_response('api.html', context)
+
+def data(request, id, data):
+    movie = get_object_or_404(models.Movie, movieId=id)
+    response = {}
+    if data == 'video':
+        response = movie.get_stream()
+    return render_to_json_response(response)
+
+#media delivery
+def frame(request, id, position, size):
+    movie = get_object_or_404(models.Movie, movieId=id)
+    position = float(position.replace(',', '.'))
+    frame = movie.frame(position, int(size))
+    if not frame:
+        raise Http404
+    return HttpFileResponse(frame, content_type='image/jpeg')
+
+def poster(request, id, size=128):
+    movie = get_object_or_404(models.Movie, movieId=id)
+    if size == 'large':
+        size = None
+    if movie.poster:
+        if size:
+            size = int(size)
+            poster_path = movie.poster.path.replace('.jpg', '.%d.jpg'%size)
+            if not os.path.exists(poster_path):
+                poster_size = max(movie.poster.width, movie.poster.height)
+                if size > poster_size:
+                    return redirect('/%s/poster.large.jpg' % movie.movieId)
+                extract.resize_image(movie.poster.path, poster_path, size=size)
+        else:
+            poster_path = movie.poster.path
+    else:
+        poster_path = os.path.join(settings.STATIC_ROOT, 'png/posterDark.48.png')
+    return HttpFileResponse(poster_path, content_type='image/jpeg')
+
+def timeline(request, id, size, position):
+    movie = get_object_or_404(models.Movie, movieId=id)
+    timeline = os.path.join(settings.MEDIA_ROOT, '%s.%s.%04d.png' %(movie.timeline_prefix, size, int(position)))
+    return HttpFileResponse(timeline, content_type='image/png')
+
+def video(request, id, profile):
+    movie = get_object_or_404(models.Movie, movieId=id)
+    stream = get_object_or_404(movie.streams, profile=profile)
+    path = stream.video.path
+    content_type = path.endswith('.mp4') and 'video/mp4' or 'video/webm'
+    #url = 'http://127.0.0.1/pandora_media' + path[len(settings.MEDIA_ROOT):]
+    #return redirect(url)
+    return HttpFileResponse(path, content_type=content_type)
+

pandora/settings.py

@@ -14,8 +14,21 @@ DEBUG = True
 TEMPLATE_DEBUG = DEBUG
 JSON_DEBUG = True
 
+#with apache x-sendfile or lighttpd set this to True
 XSENDFILE = False
 
+XACCELREDIRECT = False
+# with nginx:
+#XACCELREDIRECT=[/some/path/, /protected/]
+'''
+this assumes the following configuration:
+location /protected/ {
+  internal;
+  root   /some/path/;
+}
+'''
+
+
 ADMINS = (
      ('j', 'j@mailb.org'),
 )

pandora/static/css/timeline.css

@@ -0,0 +1,181 @@
+body {
+    margin: 0;
+}
+#editor {
+    margin: 4px;
+}
+#players {
+    //background: rgb(255, 192, 192);
+}
+#timelines {
+    background: rgb(192, 192, 255);
+}
+
+
+.OxEditor .OxVideoPlayer {
+    position: absolute;
+    margin: 4px;
+    //background: red;
+}
+
+
+
+.OxTimelineLarge {
+    position: absolute;
+    height: 72px;
+    margin: 0 4px 0 4px;
+    overflow: hidden;
+}
+.OxTimelineLarge > div {
+    position: absolute;
+    height: 72px;
+}
+.OxTimelineLarge > div > img {
+    position: absolute;
+    top: 4px;
+}
+.OxTimelineLarge .OxCut {
+    position: absolute;
+    top: 66px;
+    width: 2px;
+    height: 4px;
+    margin-left: -1px;
+    z-index: 10;
+}
+.OxTimelineLarge .OxMarkerPointIn {
+    position: absolute;
+    top: 64px;
+    width: 6px;
+    height: 6px;
+    margin-left: -5px;
+    z-index: 10;
+}
+.OxTimelineLarge .OxMarkerPointOut {
+    position: absolute;
+    top: 64px;
+    width: 6px;
+    height: 6px;
+    z-index: 10;
+}
+.OxTimelineLarge .OxMarkerPosition {
+    position: absolute;
+    top: 2px;
+    width: 9px;
+    height: 5px;
+    z-index: 10;
+}
+.OxTimelineLarge .OxSubtitle {
+    position: absolute;
+    bottom: 9px;
+    border: 1px solid rgba(255, 255, 255, 0.5);
+    padding: 1px;
+    background: rgba(0, 0, 0, 0.25);
+    font-size: 8px;
+    line-height: 10px;
+    text-align: center;
+    text-overflow: ellipsis;
+    text-shadow: rgba(0, 0, 0, 1) 1px 1px 1px;
+    color: rgb(255, 255, 255);
+    cursor: default;
+    overflow: hidden;
+    z-index: 10;
+    -moz-box-shadow: 0 0 2px rgba(0, 0, 0, 0.5);
+    -webkit-box-shadow: 0 0 2px rgba(0, 0, 0, 0.5);
+}
+.OxTimelineLarge .OxSubtitle.OxHighlight {
+    border-color: rgba(255, 255, 0, 1);
+}
+.OxTimelineSmall {
+    position: absolute;
+}
+.OxTimelineSmall > div {
+    position: absolute;
+    height: 18px;
+    margin: 3px 4px 3px 4px;
+    overflow: hidden;
+}
+.OxTimelineSmall > div > img {
+    position: absolute;
+    left: 0;
+    top: 0;
+}
+.OxTimelineSmall > div > .OxTimelineSmallImage {
+    margin-top: 1px;
+}
+.OxTimelineSmall .OxMarkerPointIn {
+    position: absolute;
+    width: 6px;
+    height: 6px;
+    margin-left: -1px;
+}
+.OxTimelineSmall .OxMarkerPointOut {
+    position: absolute;
+    width: 6px;
+    height: 6px;
+    margin-left: 4px;
+}
+
+.OxVideoPlayer > .OxBar .OxInputGroup {
+    //width: 98px;
+}
+.OxVideoPlayer > .OxBar .OxButton {
+    margin-right: -1px;
+}
+.OxVideoPlayer > .OxBar .OxButton,
+.OxVideoPlayer > .OxBar .OxInput,
+.OxVideoPlayer > .OxBar .OxLabel {
+    padding: 0;
+    -moz-border-radius: 0;
+    -webkit-border-radius: 0;
+}
+.OxVideoPlayer > .OxBar .OxLabel {
+    //width: 22px;
+    //background: rgb(32, 32, 32);
+}
+.OxVideoPlayer .OxMarkerFrame {
+    position: absolute;
+    left: 0;
+    top: 0;
+    right: 0;
+    bottom: 16px;
+}
+.OxVideoPlayer .OxMarkerFrame > div {
+    float: left;
+}
+.OxVideoPlayer .OxMarkerFrame > .OxFrame {
+    background: rgba(0, 0, 0, 0.5);
+}
+.OxVideoPlayer .OxMarkerFrame > .OxPoster {
+    border: 1px solid rgba(255, 255, 255, 0.5);
+}
+.OxVideoPlayer .OxMarkerPoint {
+    position: absolute;
+    width: 16px;
+    height: 16px;
+}
+.OxVideoPlayer .OxMarkerInTop {
+    left: 4px;
+    top: 4px;
+}
+.OxVideoPlayer .OxMarkerInBottom {
+    left: 4px;
+    bottom: 20px;
+}
+.OxVideoPlayer .OxMarkerOutTop {
+    right: 4px;
+    top: 4px;
+}
+.OxVideoPlayer .OxMarkerOutBottom {
+    right: 4px;
+    bottom: 20px;
+}
+.OxVideoPlayer .OxSubtitle {
+    position: absolute;
+    left: 0;
+    right: 0;
+    text-align: center;
+    //text-shadow: rgba(0, 0, 0, 1) 2px 2px 0px;
+    text-shadow: rgba(0, 0, 0, 1) 0 0 4px;
+    color: rgb(255, 255, 255);
+    z-index: 10;
+}

pandora/templates/timeline.html

@@ -0,0 +1,16 @@
+<!DOCTYPE HTML>
+<html>
+    <head>
+        <title>timeline demo</title>
+        <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
+        <link rel="stylesheet" type="text/css" href="/static/oxjs/build/css/ox.ui.css"/>
+        <link rel="stylesheet" type="text/css" href="/static/css/timeline.css"/>
+        <script type="text/javascript" src="/static/oxjs/build/js/jquery-1.4.2.js"></script>
+        <script type="text/javascript" src="/static/js/jquery/jquery.videosupport.js"></script>
+        <script type="text/javascript" src="/static/oxjs/build/js/ox.js"></script>
+        <script type="text/javascript" src="/static/oxjs/build/js/ox.data.js"></script>
+        <script type="text/javascript" src="/static/oxjs/build/js/ox.ui.js"></script>
+        <script type="text/javascript" src="/static/js/timeline.js"></script>
+    </head>
+    <body></body>
+</html>

pandora/urls.py

@@ -15,6 +15,7 @@ urlpatterns = patterns('',
     (r'^pandora.json$', 'app.views.pandora_json'),
     (r'^$', 'app.views.intro'),
     (r'^ra$', 'app.views.index'),
+    (r'^timeline$', 'app.views.timeline'),
     (r'^r/(?P<key>.*)$', 'oxuser.views.recover'),
     (r'', include('backend.urls')),