BitMover/_preview.py

66 lines
3.0 KiB
Python

#!/usr/bin/env python
from PIL import Image
from BitMover_ui import MainWindow
from _media_file import MediaFile
from _raw_photo import extract_jpg_thumb
from _video import VideoFile
class MediaPreview(MainWindow):
def __init__(self,path_file_name,media_files):
super(MediaPreview, self).__init__()
self.path_file_name = path_file_name
self.media_files_list = media_files
self.media_file = MediaFile(self.path_file_name)
self.source_path_hash = self.media_file.source_path_hash
self.thumbnail_ratio = self.media_files_list[self.source_path_hash]['photo']['size']['ratio']
self.file_type = self.media_files_list[self.source_path_hash]['file_type']
if self.media_files_list[self.source_path_hash]['file_type'] == 'image':
self._img_preview()
elif self.media_files_list[self.source_path_hash]['file_type'] == 'video':
self._video_preview()
self.mpixels = self.media_files_list[self.source_path_hash]['photo']['megapixels']
def _img_preview(self):
if self.media_files_list[self.source_path_hash]['photo']['is_jpg'] is True:
self._jpg_preview()
else:
self._raw_preview()
def _jpg_preview(self):
self.gen_thumb_from_jpg()
def gen_thumb_from_jpg(self):
"""Generates a thumbnail image from the given input image."""
thumb_width = 500
thumb_size = (
thumb_width,
int(thumb_width // self.media_files_list[self.source_path_hash]['photo']['size']['ratio'])
)
try:
with Image.open(self.path_file_name) as img:
img.thumbnail(thumb_size)
img.save(self.thumbnail, "JPEG")
except IOError:
print(f"Error: Cannot create thumbnail for '{self.path_file_name}'")
def _raw_preview(self):
self.thumbnail = extract_jpg_thumb(self.path_file_name)
def _video_preview(self):
vid = VideoFile(file=self.path_file_name)
self.thumbnail = vid.gen_video_thumbnail()
self.width = self.media_files_list[self.source_path_hash]['video']['size']['width']
self.height = self.media_files_list[self.source_path_hash]['video']['size']['height']
self.video_framerate = round(
int(self.media_files_list[self.source_path_hash]['video']['r_frame_rate'].split('/')[0]) /
int(self.media_files_list[self.source_path_hash]['video']['r_frame_rate'].split('/')[1]),2)
self.video_bit_depth = self.media_files_list[self.source_path_hash]['video']['bits_per_raw_sample']
self.video_duration = self.media_files_list[self.source_path_hash]['video']['duration']
self.video_encoding = self.media_files_list[self.source_path_hash]['video']['encoding_brand']
self.video_codec = self.media_files_list[self.source_path_hash]['video']['codec_long_name']
self.video_profile = self.media_files_list[self.source_path_hash]['video']['profile']
self.video_pix_format = self.media_files_list[self.source_path_hash]['video']['pix_fmt']