def make_thumb_ffmpeg(self):
# get input dimensions
try:
dims = FFmpeg.get_dimensions(self.path)
except Exception as ex:
logger.error(str(ex))
dims = {}
if not dims:
return None, 'JPEG', 0, 0
width = dims['width']
height = dims['height']
if 'duration' in dims:
duration = float(dims['duration'])
else:
duration = 0.0
skip = int(min(duration / 2, 10.0))
# target dimensions
w, h = 160, 120
if width < height:
w, h = h, w
# use ffmpeg to make scaled, padded, single frame JPEG
quality = 1
while True:
try:
data = FFmpeg.make_thumbnail(self.path, w, h, skip, quality)
except Exception as ex:
logger.error(str(ex))
return None, 'JPEG', 0, 0
if not data or len(data) < 50000:
break
quality += 1
return data, 'JPEG', w, h
def __init__(self, path):
self._path = path
self.md = {}
raw = FFmpeg.ffprobe(path)
if 'format' in raw and 'tags' in raw['format']:
self.md.update(self.read_tags('format', raw['format']['tags']))
if 'streams' in raw:
for stream in raw['streams']:
if 'tags' in stream:
self.md.update(
self.read_tags('stream[{}]'.format(stream['index']),
stream['tags']))