def create_still_images(request): processed_videos = [] for video in GlossVideo.objects.filter(version=0): generate_still_image(video) processed_videos.append(str(video)) return HttpResponse('Processed videos: <br/>' + "<br/>".join(processed_videos))
def make_poster_image(self): from signbank.tools import generate_still_image try: generate_still_image(self) except: import sys print('Error generating still image', sys.exc_info())
def create_still_images(request): processed_videos = [] for gloss in Gloss.objects.all(): video_path = WRITABLE_FOLDER + gloss.get_video_path() if os.path.isfile(video_path.encode('UTF-8')): idgloss_prefix = gloss.idgloss[:2] (folder, basename) = os.path.split(video_path) generate_still_image(idgloss_prefix, folder + os.sep, basename) processed_videos.append(video_path) return HttpResponse('Processed videos: <br/>' + "<br/>".join(processed_videos))
def addvideo(request): """View to present a video upload form and process the upload""" if request.method == 'POST': form = VideoUploadForGlossForm(request.POST, request.FILES) if form.is_valid(): gloss_id = form.cleaned_data['gloss_id'] gloss = get_object_or_404(Gloss, pk=gloss_id) vfile = form.cleaned_data['videofile'] # construct a filename for the video, use sn # if present, otherwise use idgloss+gloss id if gloss.sn != None: vfile.name = str(gloss.sn) + ".mp4" else: vfile.name = gloss.idgloss + "-" + str(gloss.pk) + ".mp4" redirect_url = form.cleaned_data['redirect'] # deal with any existing video for this sign goal_folder = WRITABLE_FOLDER+GLOSS_VIDEO_DIRECTORY + '/' + gloss.idgloss[:2] + '/' goal_filename = gloss.idgloss + '-' + str(gloss.pk) + '.mp4' goal_location = goal_folder + goal_filename os.remove(goal_location) video = GlossVideo(videofile=vfile, gloss=gloss) video.save() # Issue #162: log the upload history log_entry = GlossVideoHistory(action="upload", gloss=gloss, actor=request.user, uploadfile=vfile, goal_location=goal_location) log_entry.save() # Issue #197: convert to thumbnail try: from CNGT_scripts.python.resizeVideos import VideoResizer resizer = VideoResizer([goal_location], FFMPEG_PROGRAM, 180, 0, 0) resizer.run() except ImportError as i: print("Error resizing video: ",i) # Issue #214: generate still image from signbank.tools import generate_still_image generate_still_image(gloss.idgloss[:2], goal_folder, goal_filename) # TODO: provide some feedback that it worked (if # immediate display of video isn't working) return redirect(redirect_url) # if we can't process the form, just redirect back to the # referring page, should just be the case of hitting # Upload without choosing a file but could be # a malicious request, if no referrer, go back to root if 'HTTP_REFERER' in request.META: url = request.META['HTTP_REFERER'] else: url = '/' return redirect(url)
def addvideo(request): """View to present a video upload form and process the upload""" if request.method == 'POST': form = VideoUploadForGlossForm(request.POST, request.FILES) if form.is_valid(): gloss_id = form.cleaned_data['gloss_id'] gloss = get_object_or_404(Gloss, pk=gloss_id) vfile = form.cleaned_data['videofile'] # construct a filename for the video, use sn # if present, otherwise use idgloss+gloss id if gloss.sn != None: vfile.name = str(gloss.sn) + ".mp4" else: vfile.name = gloss.idgloss + "-" + str(gloss.pk) + ".mp4" redirect_url = form.cleaned_data['redirect'] # deal with any existing video for this sign goal_folder = WRITABLE_FOLDER + GLOSS_VIDEO_DIRECTORY + '/' + gloss.idgloss[: 2] + '/' goal_filename = gloss.idgloss + '-' + str(gloss.pk) + '.mp4' goal_location = goal_folder + goal_filename goal_filename_small = gloss.idgloss + '-' + str( gloss.pk) + '_small' + '.mp4' goal_location_small = goal_folder + goal_filename_small if os.path.isfile(goal_location): os.remove(goal_location) if os.path.isfile(goal_location_small): os.remove(goal_location_small) # test for other video files for this gloss.pk with a different filename, such as version or old idgloss if os.path.isfile(goal_folder): file_listing = os.listdir(goal_folder) for fname in file_listing: if re.match('.*\-' + str(gloss.pk) + '\..*', fname): if os.path.isfile(goal_folder + fname): os.remove(goal_folder + fname) # clean up the database entry for an old file, if necessary video_links_count = GlossVideo.objects.filter(gloss=gloss).count() video_links_objects = GlossVideo.objects.filter(gloss=gloss) if video_links_count > 0: # delete the old video object links stored in the database for video_object in video_links_objects: video_object.delete() # make a new GlossVideo object for the new file video = GlossVideo(videofile=vfile, gloss=gloss) video.save() #Make sure the rights of the new file are okay if os.path.isfile(goal_location): os.chmod(goal_location, 0o660) # Issue #162: log the upload history log_entry = GlossVideoHistory(action="upload", gloss=gloss, actor=request.user, uploadfile=vfile, goal_location=goal_location) log_entry.save() # Issue #197: convert to thumbnail try: from CNGT_scripts.python.resizeVideos import VideoResizer resizer = VideoResizer([goal_location], FFMPEG_PROGRAM, 180, 0, 0) resizer.run() except ImportError as i: print("Error resizing video: ", i) # Issue #214: generate still image try: from signbank.tools import generate_still_image generate_still_image(gloss.idgloss[:2], goal_folder, goal_filename) except: print('Error generating still image') if os.path.isfile(goal_location_small): os.chmod(goal_location_small, 0o660) # TODO: provide some feedback that it worked (if # immediate display of video isn't working) return redirect(redirect_url) # if we can't process the form, just redirect back to the # referring page, should just be the case of hitting # Upload without choosing a file but could be # a malicious request, if no referrer, go back to root if 'HTTP_REFERER' in request.META: url = request.META['HTTP_REFERER'] else: url = '/' return redirect(url)
def import_media(request,video): out = '<p>Imported</p><ul>' overwritten_files = '<p>Of these files, these were overwritten</p><ul>' errors = [] if video: import_folder = settings.VIDEOS_TO_IMPORT_FOLDER goal_directory = settings.GLOSS_VIDEO_DIRECTORY else: import_folder = settings.IMAGES_TO_IMPORT_FOLDER goal_directory = settings.GLOSS_IMAGE_DIRECTORY for filename in os.listdir(import_folder): parts = filename.split('.') idgloss = '.'.join(parts[:-1]) extension = parts[-1] try: gloss = Gloss.objects.get(annotation_idgloss=idgloss) except ObjectDoesNotExist: errors.append('Failed at '+filename+'. Could not find '+idgloss+'.') continue overwritten, was_allowed = save_media(import_folder,settings.WRITABLE_FOLDER+goal_directory+'/',gloss,extension) if not was_allowed: errors.append('Failed two overwrite '+gloss.annotation_idgloss+'. Maybe this file is not owned by the webserver?') continue out += '<li>'+filename+'</li>' # If it is a video also extract a still image and generate a thumbnail version if video: annotation_id = gloss.annotation_idgloss destination_folder = settings.WRITABLE_FOLDER+goal_directory+'/'+annotation_id[:2]+'/' video_filename = annotation_id+'-' + str(gloss.pk) + '.' + extension try: from CNGT_scripts.python.resizeVideos import VideoResizer from signbank.settings.server_specific import FFMPEG_PROGRAM resizer = VideoResizer([destination_folder+video_filename], FFMPEG_PROGRAM, 180, 0, 0) resizer.run() except ImportError as i: print(i.message) # Issue #255: generate still image try: from signbank.tools import generate_still_image generate_still_image(annotation_id[:2], destination_folder, video_filename) except ImportError as i: print(i.message) if overwritten: overwritten_files += '<li>'+filename+'</li>' overwritten_files += '</ul>' out += '</ul>'+overwritten_files if len(errors) > 0: out += '<p>Errors</p><ul>' for error in errors: out += '<li>'+error+'</li>' out += '</ul>' return HttpResponse(out)