def compress_nodes(ids, ffmpeg_settings=None, overwrite=False):
from contentcuration.utils.files import compress_video_wrapper
for node in models.ContentNode.objects.filter(pk__in=ids):
if node.kind_id == content_kinds.VIDEO:
logging.debug("Compressing {}...".format(node.title))
uncompressed_file = node.files.filter(preset_id=format_presets.VIDEO_HIGH_RES).first()\
or node.files.filter(preset_id=format_presets.VIDEO_LOW_RES).first()
if uncompressed_file:
compressed_file = compress_video_wrapper(
uncompressed_file, ffmpeg_settings=ffmpeg_settings)
logging.debug(" Compressed file {} to {}".format(
str(uncompressed_file), str(compressed_file)))
compressed_file.contentnode = node
compressed_file.save()
if overwrite:
uncompressed_file.delete()
else:
uncompressed_file.preset_id = format_presets.VIDEO_HIGH_RES
uncompressed_file.save()
elif node.kind_id == content_kinds.TOPIC:
compress_nodes(node.children.values_list('pk', flat=True),
ffmpeg_settings=ffmpeg_settings,
overwrite=overwrite)
logging.debug("COMPRESSION COMPLETE")
def compress_nodes(ids, ffmpeg_settings=None, overwrite=False):
from contentcuration.utils.files import compress_video_wrapper
for node in models.ContentNode.objects.filter(pk__in=ids):
if node.kind_id == content_kinds.VIDEO:
logging.debug("Compressing {}...".format(node.title))
uncompressed_file = node.files.filter(preset_id=format_presets.VIDEO_HIGH_RES).first()\
or node.files.filter(preset_id=format_presets.VIDEO_LOW_RES).first()
if uncompressed_file:
compressed_file = compress_video_wrapper(uncompressed_file, ffmpeg_settings=ffmpeg_settings)
logging.debug(" Compressed file {} to {}".format(str(uncompressed_file), str(compressed_file)))
compressed_file.contentnode = node
compressed_file.save()
if overwrite:
uncompressed_file.delete()
else:
uncompressed_file.preset_id = format_presets.VIDEO_HIGH_RES
uncompressed_file.save()
elif node.kind_id == content_kinds.TOPIC:
compress_nodes(node.children.values_list('pk', flat=True), ffmpeg_settings=ffmpeg_settings, overwrite=overwrite)
logging.debug("COMPRESSION COMPLETE")