ayon-core/openpype/lib/vendor_bin_utils.py
2021-04-14 15:12:13 +02:00

96 lines
2.4 KiB
Python

import os
import logging
import json
import platform
import subprocess
log = logging.getLogger("FFmpeg utils")
def get_vendor_bin_path(bin_app):
"""Path to OpenPype vendorized binaries.
Vendorized executables are expected in specific hierarchy inside build or
in code source.
"{OPENPYPE_ROOT}/vendor/bin/{name of vendorized app}/{platform}"
Args:
bin_app (str): Name of vendorized application.
Returns:
str: Path to vendorized binaries folder.
"""
return os.path.join(
os.environ["OPENPYPE_ROOT"],
"vendor",
"bin",
bin_app,
platform.system().lower()
)
def get_oiio_tools_path(tool="oiiotool"):
"""Path to vendorized OpenImageIO tool executables.
Args:
tool (string): Tool name (oiiotool, maketx, ...).
Default is "oiiotool".
"""
oiio_dir = get_vendor_bin_path("oiio")
return os.path.join(oiio_dir, tool)
def get_ffmpeg_tool_path(tool="ffmpeg"):
"""Path to vendorized FFmpeg executable.
Args:
tool (string): Tool name (ffmpeg, ffprobe, ...).
Default is "ffmpeg".
Returns:
str: Full path to ffmpeg executable.
"""
ffmpeg_dir = get_vendor_bin_path("ffmpeg")
if platform.system().lower() == "windows":
ffmpeg_dir = os.path.join(ffmpeg_dir, "bin")
return os.path.join(ffmpeg_dir, tool)
def ffprobe_streams(path_to_file, logger=None):
"""Load streams from entered filepath via ffprobe.
Args:
path_to_file (str): absolute path
logger (logging.getLogger): injected logger, if empty new is created
"""
if not logger:
logger = log
logger.info(
"Getting information about input \"{}\".".format(path_to_file)
)
args = [
"\"{}\"".format(get_ffmpeg_tool_path("ffprobe")),
"-v quiet",
"-print_format json",
"-show_format",
"-show_streams",
"\"{}\"".format(path_to_file)
]
command = " ".join(args)
logger.debug("FFprobe command: \"{}\"".format(command))
popen = subprocess.Popen(
command,
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE
)
popen_stdout, popen_stderr = popen.communicate()
if popen_stdout:
logger.debug("ffprobe stdout: {}".format(popen_stdout))
if popen_stderr:
logger.debug("ffprobe stderr: {}".format(popen_stderr))
return json.loads(popen_stdout)["streams"]