def setUp(self) -> None:
super().setUp()
self.video_meta = video_meta_data(width=1920, height=1080)
self.audio_meta = audio_meta_data()
self.source = input_file('input.mp4', Stream(VIDEO, self.video_meta),
Stream(AUDIO, self.audio_meta))
self.output1 = output_file('output1.mp4', VideoCodec('libx264'),
AudioCodec('aac'))
self.output2 = output_file('output2.mp5', VideoCodec('libx265'),
AudioCodec('libfdk_aac'))
self.simd = SIMD(self.source, self.output1, self.output2)
def test_vector_metadata(self):
"""
Checks that vector outputs metadata for a single stream in it.
"""
with self.subTest("input meta"):
v = self.simd.video
self.assertEqual(v.meta, self.video_meta)
with self.subTest("filter meta"):
v = v | Scale(1280, 720)
expected = replace(self.video_meta, width=1280, height=720)
self.assertEqual(v.meta, expected)
with self.subTest("codec meta"):
simd = SIMD(self.source, self.output1)
x = v > simd
self.assertEqual(x.meta, expected)
from fffw.graph import *
# detect information about input file
mi = MediaInfo.parse('source.mp4')
video_meta, audio_meta = from_media_info(mi)
# initialize input file with stream and metadata
source = input_file('source.mp4', Stream(VIDEO, video_meta),
Stream(AUDIO, audio_meta))
outputs = []
for size in 360, 540, 720, 1080:
out = output_file(f'{size}.mp4', VideoCodec('libx264'), AudioCodec('aac'))
outputs.append(out)
simd = SIMD(source, *outputs)
mi = MediaInfo.parse('logo.png')
logo_meta, = from_media_info(mi)
# add a logo
logo = simd < input_file('logo.png', Stream(VIDEO, logo_meta))
trim = [
{
'kind': VIDEO,
'start': 25,
'end': 50
},
{
'kind': VIDEO,