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fix ffmpeg

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This commit is contained in:
iperov 2021-08-09 22:53:01 +04:00
parent 7aaa15340c
commit 3be99ce9f3
5 changed files with 73 additions and 31 deletions
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24
xlib/ffmpeg/ffmpeg.py
View file

@ -1,8 +1,8 @@
import json
import subprocess
from typing import Union
def run(args, pipe_stdin=False, pipe_stdout=False, pipe_stderr=False, quiet_std_err=False):
def run(args, pipe_stdin=False, pipe_stdout=False, pipe_stderr=False, quiet_stderr=False) -> Union[subprocess.Popen,None]:
"""
run ffmpeg process
@ -10,11 +10,12 @@ def run(args, pipe_stdin=False, pipe_stdout=False, pipe_stderr=False, quiet_std_
otherwise None
"""
args = ['ffmpeg'] + args
stdin_stream = subprocess.PIPE if pipe_stdin else None
stdout_stream = subprocess.PIPE if pipe_stdout else None
stderr_stream = subprocess.PIPE if pipe_stderr else None
if quiet_std_err and not pipe_stderr:
if quiet_stderr and not pipe_stderr:
stderr_stream = subprocess.DEVNULL
try:
@ -53,20 +54,3 @@ def probe(filename):
raise Exception('ffprobe', out, err)
return json.loads(out.decode('utf-8'))
def run_play():
args = ['ffplay',
'-f', 'rawvideo',
'-pix_fmt', 'bgr24',
'-s', '256x144',
'-'
]
stdin_stream = subprocess.PIPE
stdout_stream = None
stderr_stream = None#subprocess.DEVNULL
try:
return subprocess.Popen(args, stdin=stdin_stream, stdout=stdout_stream, stderr=stderr_stream)
except Exception as e:
print('ffplay exception: ', e)
return None