diff options
Diffstat (limited to 'synapse/rest/media/v1/base_resource.py')
| -rw-r--r-- | synapse/rest/media/v1/base_resource.py | 98 |
1 files changed, 53 insertions, 45 deletions
diff --git a/synapse/rest/media/v1/base_resource.py b/synapse/rest/media/v1/base_resource.py index 4af5f73878..c8970165c2 100644 --- a/synapse/rest/media/v1/base_resource.py +++ b/synapse/rest/media/v1/base_resource.py @@ -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 @@ -273,57 +273,65 @@ 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 - if m_width * m_height >= self.max_image_pixels: - logger.info( - "Image too large to thumbnail %r x %r > %r", - m_width, m_height, self.max_image_pixels - ) - return - - scales = set() - crops = set() - for r_width, r_height, r_method, r_type in requirements: - if r_method == "scale": - t_width, t_height = thumbnailer.aspect(r_width, r_height) - scales.add(( - min(m_width, t_width), min(m_height, t_height), r_type, - )) - elif r_method == "crop": - crops.add((r_width, r_height, r_type)) + def generate_thumbnails(): + if m_width * m_height >= self.max_image_pixels: + logger.info( + "Image too large to thumbnail %r x %r > %r", + m_width, m_height, self.max_image_pixels + ) + return + + scales = set() + crops = set() + for r_width, r_height, r_method, r_type in requirements: + if r_method == "scale": + t_width, t_height = thumbnailer.aspect(r_width, r_height) + scales.add(( + min(m_width, t_width), min(m_height, t_height), r_type, + )) + elif r_method == "crop": + crops.add((r_width, r_height, r_type)) + + for t_width, t_height, t_type in scales: + t_method = "scale" + t_path = self.filepaths.remote_media_thumbnail( + server_name, file_id, t_width, t_height, t_type, t_method + ) + self._makedirs(t_path) + t_len = thumbnailer.scale(t_path, t_width, t_height, t_type) + 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: + # If the aspect ratio of the cropped thumbnail matches a purely + # scaled one then there is no point in calculating a separate + # thumbnail. + continue + t_method = "crop" + t_path = self.filepaths.remote_media_thumbnail( + server_name, file_id, t_width, t_height, t_type, t_method + ) + self._makedirs(t_path) + t_len = thumbnailer.crop(t_path, t_width, t_height, t_type) + 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 scales: - t_method = "scale" - t_path = self.filepaths.remote_media_thumbnail( - server_name, file_id, t_width, t_height, t_type, t_method - ) - self._makedirs(t_path) - t_len = thumbnailer.scale(t_path, t_width, t_height, t_type) - yield self.store.store_remote_media_thumbnail( - server_name, media_id, file_id, - t_width, t_height, t_type, t_method, t_len - ) + yield threads.deferToThread(generate_thumbnails) - for t_width, t_height, t_type in crops: - if (t_width, t_height, t_type) in scales: - # If the aspect ratio of the cropped thumbnail matches a purely - # scaled one then there is no point in calculating a separate - # thumbnail. - continue - t_method = "crop" - t_path = self.filepaths.remote_media_thumbnail( - server_name, file_id, t_width, t_height, t_type, t_method - ) - self._makedirs(t_path) - t_len = thumbnailer.crop(t_path, t_width, t_height, t_type) - yield self.store.store_remote_media_thumbnail( - server_name, media_id, file_id, - t_width, t_height, t_type, t_method, t_len - ) + for r in remote_thumbnails: + yield self.store.store_remote_media_thumbnail(*r) defer.returnValue({ "width": m_width, |