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from distutils.log import fatal
import json
from ..common.Common import *
from ..common.Execute import *
from ..media.Timecodes import *
class AudioInfo:
# file_path
# file_size
# audio_codec: aac, alac, wav
# sample_rate: aac, alac, wav
# bitrate_kbps: bitrate in kbps
# channels: number of channels
# duration: Duration of audio, in seconds
# frame_count: Total frames in audio
# bit_depth: path of file
def __init__(self, file_path):
self.file_path = file_path
self.file_size = GetFileSize(file_path)
command = "ffprobe -v error -select_streams a:0 " + " -show_entries stream=codec_name,sample_rate,channels,start_time,duration,,bit_rate,nb_frames -v quiet -of csv=\"p=0\" " + file_path
stdout, _, errorCode = ExecuteCommand(command)
stdout = stdout.split("\n")[0]
stdout = stdout.strip()
info = stdout.split(",")
index = 0
self.audio_codec = info[index]
index = index + 1
self.sample_rate = int(info[index])
index = index + 1
self.channels = int(info[index])
index = index + 1
if info[index] != "N/A":
self.start_timestamp = float(info[index])
index = index + 1
if info[index] != "N/A":
self.duration = float(info[index])
index = index + 1
if info[index] != "N/A":
self.bitrate_kbps = float(info[index]) / 1000
index = index + 1
if info[index] != "N/A":
self.frame_count = float(info[index])
index = index + 1
def String(self):
return json.dumps(self, default=lambda o: o.__dict__,
sort_keys=True, indent=4)
def Print(self, stream):
stream.write(self.String())
def IsDolbyVision(self):
return self.color_space == "bt2020nc"
# Duration Getters
def DurationAsMin(self):
return self.duration / 60
def DurationAsSec(self):
return self.duration
def DurationAsMillisec(self):
return (self.duration * 1000)
def DurationAsTimecode(self):
return MillisecToTimeCode(self.DurationAsMillisec()) |