1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
import time
import av
import av.datasets
print("Decoding with default (slice) threading...")
container = av.open(
av.datasets.curated("pexels/time-lapse-video-of-night-sky-857195.mp4")
)
start_time = time.time()
for packet in container.demux():
print(packet)
for frame in packet.decode():
print(frame)
default_time = time.time() - start_time
container.close()
print("Decoding with auto threading...")
container = av.open(
av.datasets.curated("pexels/time-lapse-video-of-night-sky-857195.mp4")
)
# !!! This is the only difference.
container.streams.video[0].thread_type = "AUTO"
start_time = time.time()
for packet in container.demux():
print(packet)
for frame in packet.decode():
print(frame)
auto_time = time.time() - start_time
container.close()
print("Decoded with default threading in {:.2f}s.".format(default_time))
print("Decoded with auto threading in {:.2f}s.".format(auto_time))
|
