def load_sync(context, url, callback):
# Disable storage of original. These lines are useful if
# you want your Thumbor instance to store all originals persistently
# except video frames.
#
# from thumbor.storages.no_storage import Storage as NoStorage
# context.modules.storage = NoStorage(context)
unquoted_url = unquote(url)
command = BaseWikimediaEngine.wrap_command([
context.config.FFPROBE_PATH,
'-v',
'error',
'-show_entries',
'format=duration',
'-of',
'default=noprint_wrappers=1:nokey=1',
'%s%s' % (uri_scheme, unquoted_url)
], context)
logger.debug('Command: %r' % command)
process = Subprocess(command, stdout=Subprocess.STREAM)
process.set_exit_callback(
partial(
_parse_time_status,
context,
unquoted_url,
callback,
process
)
)
def _parse_time(context, url, callback, output):
duration = float(output)
unquoted_url = unquote(url)
try:
seek = int(context.request.page)
except AttributeError:
seek = duration / 2
destination = NamedTemporaryFile(delete=False)
command = BaseWikimediaEngine.wrap_command([
context.config.FFMPEG_PATH,
# Order is important, for fast seeking -ss has to come before -i
# As explained on https://trac.ffmpeg.org/wiki/Seeking
'-ss',
'%d' % seek,
'-i',
'%s%s' % (uri_scheme, unquoted_url),
'-y',
'-vframes',
'1',
'-an',
'-f',
'image2',
'-nostats',
'-loglevel',
'error',
destination.name
], context)
logger.debug('Command: %r' % command)
process = Subprocess(command)
process.set_exit_callback(
partial(
_process_output,
callback,
destination.name
)
)
def load_sync(context, url, callback):
# Disable storage of original. These lines are useful if
# you want your Thumbor instance to store all originals persistently
# except video frames.
#
# from thumbor.storages.no_storage import Storage as NoStorage
# context.modules.storage = NoStorage(context)
unquoted_url = unquote(url)
command = BaseWikimediaEngine.wrap_command([
context.config.FFPROBE_PATH, '-v', 'error', '-show_entries',
'format=duration', '-of', 'default=noprint_wrappers=1:nokey=1',
'%s%s' % (uri_scheme, unquoted_url)
], context)
logger.debug('Command: %r' % command)
process = Subprocess(command, stdout=Subprocess.STREAM)
process.set_exit_callback(
partial(_parse_time_status, context, unquoted_url, callback, process))
def _parse_time(context, url, callback, output):
duration = float(output)
unquoted_url = unquote(url)
try:
seek = int(context.request.page)
except AttributeError:
seek = duration / 2
destination = NamedTemporaryFile(delete=False)
command = BaseWikimediaEngine.wrap_command(
[
context.config.FFMPEG_PATH,
# Order is important, for fast seeking -ss has to come before -i
# As explained on https://trac.ffmpeg.org/wiki/Seeking
'-ss',
'%d' % seek,
'-i',
'%s%s' % (uri_scheme, unquoted_url),
'-y',
'-vframes',
'1',
'-an',
'-f',
'image2',
'-nostats',
'-loglevel',
'error',
destination.name
],
context)
logger.debug('Command: %r' % command)
process = Subprocess(command)
process.set_exit_callback(
partial(_process_output, callback, destination.name))
