def video_embed_helper(request):
processed_video = None
if request.method == 'POST':
form = VideoEmbedHelperForm(request.POST)
if form.is_valid():
video_url = form.cleaned_data.get("video_url")
video_guid = str(uuid.uuid4())
video_local_file = os.path.join(settings.COURSE_UPLOAD_DIR,'temp',video_guid)
# Need to add better validation here
urllib.urlretrieve(video_url, filename=video_local_file)
# get the basic meta info
embed_template = "[[media object='{\"filename\":\"%s\",\"download_url\":\"%s\",\"digest\":\"%s\", \"filesize\":%d, \"length\":%d}']]IMAGE/TEXT HERE[[/media]]"
file_size = os.path.getsize(video_local_file)
md5sum = md5_checksum(video_local_file)
file_length = get_length(video_local_file)
# create some image/screenshots
if not os.path.exists(os.path.join(settings.MEDIA_ROOT, 'temp')):
os.makedirs(os.path.join(settings.MEDIA_ROOT, 'temp'))
image_path = os.path.join(settings.MEDIA_ROOT, 'temp', video_guid + ".images")
if not os.path.exists(image_path):
os.makedirs(image_path)
IMAGE_WIDTH = 320
IMAGE_HEIGHT = 180
image_generator_command = "ffmpeg -i %s -r 0.02 -s %dx%d -f image2 %s/frame-%%03d.png" % (video_local_file, IMAGE_WIDTH, IMAGE_HEIGHT, image_path )
subprocess.call(image_generator_command, shell=True)
processed_video = {}
processed_video['embed_code'] = embed_template % (video_url.split('/')[-1], video_url, md5sum, file_size, file_length)
# Add the generated images to the output
processed_video['image_url_root'] = settings.MEDIA_URL + "temp/" + video_guid + ".images/"
processed_video['image_files'] = next(os.walk(image_path))[2]
# try to delete
try:
os.remove(video_local_file)
except OSError:
pass
else:
form = VideoEmbedHelperForm()
return render_to_response('oppia/content/video-embed-helper.html',
{'settings': settings,
'form': form,
'processed_video': processed_video },
context_instance=RequestContext(request))
def video_embed_helper(request):
processed_video = None
if request.method == 'POST':
form = VideoEmbedHelperForm(request.POST)
if form.is_valid():
video_url = form.cleaned_data.get("video_url")
video_guid = str(uuid.uuid4())
video_local_file = os.path.join(settings.COURSE_UPLOAD_DIR, 'temp',
video_guid)
# Need to add better validation here
urllib.urlretrieve(video_url, filename=video_local_file)
# get the basic meta info
embed_template = "[[media object='{\"filename\":\"%s\",\"download_url\":\"%s\",\"digest\":\"%s\", \"filesize\":%d, \"length\":%d}']]IMAGE/TEXT HERE[[/media]]"
file_size = os.path.getsize(video_local_file)
md5sum = md5_checksum(video_local_file)
file_length = get_length(video_local_file)
# create some image/screenshots
if not os.path.exists(os.path.join(settings.MEDIA_ROOT, 'temp')):
os.makedirs(os.path.join(settings.MEDIA_ROOT, 'temp'))
image_path = os.path.join(settings.MEDIA_ROOT, 'temp',
video_guid + ".images")
if not os.path.exists(image_path):
os.makedirs(image_path)
IMAGE_WIDTH = 320
IMAGE_HEIGHT = 180
image_generator_command = "ffmpeg -i %s -r 0.02 -s %dx%d -f image2 %s/frame-%%03d.png" % (
video_local_file, IMAGE_WIDTH, IMAGE_HEIGHT, image_path)
subprocess.call(image_generator_command, shell=True)
processed_video = {}
processed_video['embed_code'] = embed_template % (video_url.split(
'/')[-1], video_url, md5sum, file_size, file_length)
# Add the generated images to the output
processed_video[
'image_url_root'] = settings.MEDIA_URL + "temp/" + video_guid + ".images/"
processed_video['image_files'] = next(os.walk(image_path))[2]
# try to delete
try:
os.remove(video_local_file)
except OSError:
pass
else:
form = VideoEmbedHelperForm()
return render_to_response('oppia/content/video-embed-helper.html', {
'settings': settings,
'form': form,
'processed_video': processed_video
},
context_instance=RequestContext(request))
def video_embed_helper(request):
processed_video = None
if request.method == 'POST':
form = VideoEmbedHelperForm(request.POST)
if form.is_valid():
video_url = form.cleaned_data.get("video_url")
video_guid = str(uuid.uuid4())
video_local_file = os.path.join(settings.COURSE_UPLOAD_DIR,'temp',video_guid)
downloadError = None
processed_video = {}
# Need to add better validation here
try:
urllib.urlretrieve(video_url, filename=video_local_file)
except IOError as err:
downloadError = err
processed_video['success'] = False
processed_video['error'] = _("url_download_fail")
if downloadError is None and can_execute("avprobe") and can_execute("ffmpeg"):
# get the basic meta info
embed_template = "[[media object='{\"filename\":\"%s\",\"download_url\":\"%s\",\"digest\":\"%s\", \"filesize\":%d, \"length\":%d}']]IMAGE/TEXT HERE[[/media]]"
file_size = os.path.getsize(video_local_file)
md5sum = md5_checksum(video_local_file)
# get video length
success, file_length = get_length(video_local_file)
if success:
# create some image/screenshots
image_path = generate_video_screenshots(video_local_file, video_guid)
processed_video['embed_code'] = embed_template % (video_url.split('/')[-1], video_url, md5sum, file_size, file_length)
# Add the generated images to the output
processed_video['image_url_root'] = settings.MEDIA_URL + "temp/" + video_guid + ".images/"
processed_video['image_files'] = next(os.walk(image_path))[2]
processed_video['success'] = True
else:
processed_video['success'] = False
processed_video['error'] = _("get_length_error")
else:
processed_video['success'] = False
if downloadError is not None:
processed_video['error'] = downloadError.strerror
else:
processed_video['error'] = _("ffmpeg_missing")
# try to delete the temp video file
try:
os.remove(video_local_file)
except OSError:
pass
else:
form = VideoEmbedHelperForm()
return render_to_response('oppia/content/video-embed-helper.html',
{'settings': settings,
'form': form,
'processed_video': processed_video },
context_instance=RequestContext(request))
def video_embed_helper(request):
processed_video = None
if request.method == 'POST':
form = VideoEmbedHelperForm(request.POST)
if form.is_valid():
video_url = form.cleaned_data.get("video_url")
video_guid = str(uuid.uuid4())
video_local_file = os.path.join(settings.COURSE_UPLOAD_DIR, 'temp',
video_guid)
downloadError = None
processed_video = {}
# Need to add better validation here
try:
urllib.urlretrieve(video_url, filename=video_local_file)
except IOError as err:
downloadError = err
processed_video['success'] = False
processed_video['error'] = _("url_download_fail")
if downloadError is None and can_execute(
"avprobe") and can_execute("ffmpeg"):
# get the basic meta info
embed_template = "[[media object='{\"filename\":\"%s\",\"download_url\":\"%s\",\"digest\":\"%s\", \"filesize\":%d, \"length\":%d}']]IMAGE/TEXT HERE[[/media]]"
file_size = os.path.getsize(video_local_file)
md5sum = md5_checksum(video_local_file)
# get video length
success, file_length = get_length(video_local_file)
if success:
# create some image/screenshots
image_path = generate_video_screenshots(
video_local_file, video_guid)
processed_video['embed_code'] = embed_template % (
video_url.split('/')[-1], video_url, md5sum, file_size,
file_length)
# Add the generated images to the output
processed_video[
'image_url_root'] = settings.MEDIA_URL + "temp/" + video_guid + ".images/"
processed_video['image_files'] = next(
os.walk(image_path))[2]
processed_video['success'] = True
else:
processed_video['success'] = False
processed_video['error'] = _("get_length_error")
else:
processed_video['success'] = False
if downloadError is not None:
processed_video['error'] = downloadError.strerror
else:
processed_video['error'] = _("ffmpeg_missing")
# try to delete the temp video file
try:
os.remove(video_local_file)
except OSError:
pass
else:
form = VideoEmbedHelperForm()
return render_to_response('oppia/content/video-embed-helper.html', {
'settings': settings,
'form': form,
'processed_video': processed_video
},
context_instance=RequestContext(request))
