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Thumbnail images on a seperate thread

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This commit is contained in:
Erik Johnston 2015-06-02 15:39:08 +01:00
parent 6e17463228
commit 5044e6c544
1 changed files with 52 additions and 44 deletions
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18
synapse/rest/media/v1/base_resource.py
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@ -21,7 +21,7 @@ from synapse.api.errors import (
cs_error, Codes, SynapseError
)
from twisted.internet import defer
from twisted.internet import defer, threads
from twisted.web.resource import Resource
from twisted.protocols.basic import FileSender
@ -273,11 +273,14 @@ class BaseMediaResource(Resource):
if not requirements:
return
remote_thumbnails = []
input_path = self.filepaths.remote_media_filepath(server_name, file_id)
thumbnailer = Thumbnailer(input_path)
m_width = thumbnailer.width
m_height = thumbnailer.height
def generate_thumbnails():
if m_width * m_height >= self.max_image_pixels:
logger.info(
"Image too large to thumbnail %r x %r > %r",
@ -303,10 +306,10 @@ class BaseMediaResource(Resource):
)
self._makedirs(t_path)
t_len = thumbnailer.scale(t_path, t_width, t_height, t_type)
yield self.store.store_remote_media_thumbnail(
remote_thumbnails.append([
server_name, media_id, file_id,
t_width, t_height, t_type, t_method, t_len
)
])
for t_width, t_height, t_type in crops:
if (t_width, t_height, t_type) in scales:
@ -320,10 +323,15 @@ class BaseMediaResource(Resource):
)
self._makedirs(t_path)
t_len = thumbnailer.crop(t_path, t_width, t_height, t_type)
yield self.store.store_remote_media_thumbnail(
remote_thumbnails.append([
server_name, media_id, file_id,
t_width, t_height, t_type, t_method, t_len
)
])
yield threads.deferToThread(generate_thumbnails)
for r in remote_thumbnails:
yield self.store.store_remote_media_thumbnail(*r)
defer.returnValue({
"width": m_width,