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import os
import shutil
import ffmpeg
import traceback
import subprocess
from pydub import AudioSegment
from lib.ffmpeg_normalize._ffmpeg_normalize import FFmpegNormalize
import platform
import multiprocessing as mp
def mp_ffmpeg_output (PROD, logger, processes, input_paths, output_paths, options):
workItems = []
for ip, path in enumerate(input_paths):
workItems.append([PROD, None, path, output_paths[ip], options])
workers = processes if processes>0 else max(1, mp.cpu_count()-1)
workers = min(len(workItems), workers)
# logger.info("[mp ffmpeg] workers: "+str(workers))
pool = mp.Pool(workers)
results = pool.map(processingTask, workItems)
pool.close()
pool.join()
return "\n".join(results)
def processingTask(data):
return run_audio_post(data[0], data[1], data[2], data[3], data[4]).replace("\n", "<br>")
def run_audio_post(PROD, logger, input, output, options=None):
ffmpeg_path = 'ffmpeg' if platform.system() == 'Linux' else f'{"./resources/app" if PROD else "."}/python/ffmpeg.exe'
try:
stream = ffmpeg.input(input)
ffmpeg_options = {"ar": options["hz"]}
ffmpeg_options["af"] = []
if options["padStart"]:
ffmpeg_options["af"].append(f'adelay={options["padStart"]}')
if options["padEnd"]:
ffmpeg_options["af"].append(f'apad=pad_dur={options["padEnd"]}ms')
# Pitch
hz = 48000 if ("useSR" in options.keys() and options["useSR"] or "useCleanup" in options.keys() and options["useCleanup"]) else 22050
ffmpeg_options["af"].append(f'asetrate={hz*(options["pitchMult"])},atempo=1/{options["pitchMult"]}')
# Tempo
ffmpeg_options["af"].append(f'atempo={options["tempo"]}')
ffmpeg_options["af"].append(f'volume={options["amplitude"]}')
ffmpeg_options["af"].append("adeclip,adeclick")
if "useNR" in options.keys() and options["useNR"]:
ffmpeg_options["af"].append(f'afftdn=nr={options["nr"]}:nf={options["nf"]}:tn=0')
ffmpeg_options["af"] = ",".join(ffmpeg_options["af"])
if options["bit_depth"]:
ffmpeg_options["acodec"] = options["bit_depth"]
if "mp3" in output:
ffmpeg_options["c:a"] = "libmp3lame"
if os.path.exists(output):
try:
os.remove(output)
except:
pass
output_path = output.replace(".wav", "_temp.wav") if "deessing" in options and options["deessing"]>0 else output
stream = ffmpeg.output(stream, output_path, **ffmpeg_options)
out, err = (ffmpeg.run(stream, cmd=ffmpeg_path, capture_stdout=True, capture_stderr=True, overwrite_output=True))
# The "filter_complex" option can't be used in the same stream as the normal "filter", so have to do two ffmpeg runs
if "deessing" in options and options["deessing"]>0:
stream = ffmpeg.input(output_path)
ffmpeg_options = {}
ffmpeg_options["filter_complex"] = f'deesser=i={options["deessing"]}:m=0.5:f=0.5:s=o'
stream = ffmpeg.output(stream, output, **ffmpeg_options)
out, err = (ffmpeg.run(stream, cmd=ffmpeg_path, capture_stdout=True, capture_stderr=True, overwrite_output=True))
try:
os.remove(output_path)
except:
pass
except ffmpeg.Error as e:
if logger!=None:
logger.info("ffmpeg err: "+ e.stderr.decode('utf8'))
return e.stderr.decode('utf8')
except:
if logger!=None:
logger.info(traceback.format_exc())
return traceback.format_exc().replace("\n", " ")
return "-"
def prepare (PROD, logger, inputPath, outputPath, removeNoise, removeNoiseStrength):
ffmpeg_path = 'ffmpeg' if platform.system() == 'Linux' else f'{"./resources/app" if PROD else "."}/python/ffmpeg.exe'
try:
stream = ffmpeg.input(inputPath)
ffmpeg_options = {"ar": 22050, "ac": 1}
stream = ffmpeg.output(stream, outputPath, **ffmpeg_options)
out, err = (ffmpeg.run(stream, cmd=ffmpeg_path, capture_stdout=True, capture_stderr=True, overwrite_output=True))
# Remove silence if a silence clip has been provided
if removeNoise and os.path.exists(f'{"./resources/app" if PROD else "."}/output/silence.wav'):
startupinfo = subprocess.STARTUPINFO()
startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
# Create a silence noise profile if one does not yet exist
if not os.path.exists(f'{"./resources/app" if PROD else "."}/output/noise_profile_file'):
command = f'sox {"./resources/app" if PROD else "."}/output/silence.wav -n noiseprof {"./resources/app" if PROD else "."}/output/noise_profile_file'
sox = subprocess.Popen(command, startupinfo=startupinfo, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
# sox.stdout.close()
stdout, stderr = sox.communicate()
stderr = stderr.decode("utf-8")
if len(stderr):
logger.info(f'SOX Command: {command}')
logger.info(f'SOX ERROR: {stderr}')
return outputPath
# Remove the background noise
command = f'sox {outputPath} {outputPath.split(".wav")[0]}_sil.wav noisered {"./resources/app" if PROD else "."}/output/noise_profile_file {removeNoiseStrength}'
sox = subprocess.Popen(command, startupinfo=startupinfo, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = sox.communicate()
stderr = stderr.decode("utf-8")
if len(stderr):
logger.info(f'SOX Command: {command}')
logger.info(f'SOX ERROR: {stderr}')
else:
outputPath = f'{outputPath.split(".wav")[0]}_sil.wav'
except ffmpeg.Error as e:
logger.info("[prepare] ffmpeg err: "+ e.stderr.decode('utf8'))
return outputPath
def prepare_input_audio(PROD, logger, path, removeNoise, removeNoiseStrength):
existing_files_dir = "/".join(path.split("/")[:-1])
logger.info("existing_files_dir")
logger.info(existing_files_dir)
existing_files = [fname for fname in os.listdir("/".join(path.split("/")[:-1])) if fname.startswith("recorded_file_")]
logger.info("existing_files")
logger.info(",".join(existing_files))
for file in existing_files:
os.remove(f'{existing_files_dir}/{file}')
output = f'{path.split(".wav")[0]}_prepared.wav'
logger.info(f'output pre prepare: {output}')
output = prepare(PROD, logger, path, output, removeNoise, removeNoiseStrength)
logger.info(f'output post prepare: {output}')
threshold = -40
interval = 1
audio = AudioSegment.from_wav(output)
# break into chunks
chunks = [audio[i:i+interval] for i in range(0, len(audio), interval)]
trimmed_audio = []
for ci, c in enumerate(chunks):
if (c.dBFS == float('-inf') or c.dBFS < threshold):
pass
else:
trimmed_audio = chunks[ci:]
break
combined_sound = sum(trimmed_audio, AudioSegment.empty())
combined_sound = combined_sound.set_frame_rate(22050)
final_path = f'{path.split(".wav")[0]}_post.wav'
combined_sound.export(final_path, format="wav", bitrate=22050) # parameters=["-ac", "1"]
final_path = f'{path.split(".wav")[0]}_post.wav'
# final_path = f'{path.split(".wav")[0]}_prepared.wav'
# logger.info(f'final_path: {final_path}')
return final_path
def normalize_audio (input_path, output_path):
startupinfo = subprocess.STARTUPINFO()
startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
sp = subprocess.Popen(f'ffmpeg-normalize -ar 22050 "{input_path}" -o "{output_path}"', startupinfo=startupinfo, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = sp.communicate()
stderr = stderr.decode("utf-8")
if len(stderr) and "duration of less than 3 seconds" not in stderr:
print("stderr", stderr)
return "stderr: "+ stderr
return ""
# Python based microphone recording (js libs are too buggy)
# https://github.com/egorsmkv/microphone-recorder/blob/master/record.py
import pyaudio
import wave
def start_microphone_recording (logger, models_manager, root_folder):
logger.info(f'start_microphone_recording')
CHUNK = 1024
FORMAT = pyaudio.paInt16 #paInt8
CHANNELS = 1
RATE = 44100 #sample rate
RECORD_SECONDS = 15
WAVE_OUTPUT_FILENAME = f'{root_folder}/output/recorded_file.wav'
if os.path.exists(WAVE_OUTPUT_FILENAME):
os.remove(WAVE_OUTPUT_FILENAME)
p = pyaudio.PyAudio()
stream = p.open(format=FORMAT,
channels=CHANNELS,
rate=RATE,
input=True,
frames_per_buffer=CHUNK) #buffer
frames = []
logger.info(f'Starting recording...')
if os.path.exists(f'{root_folder}/python/temp_stop_recording'):
os.remove(f'{root_folder}/python/temp_stop_recording')
for i in range(0, int(RATE / CHUNK * RECORD_SECONDS)):
if os.path.exists(f'{root_folder}/python/temp_stop_recording'):
logger.info(f'Detected stop request. Ending recording...')
os.remove(f'{root_folder}/python/temp_stop_recording')
break
data = stream.read(CHUNK)
frames.append(data) # 2 bytes(16 bits) per channel
stream.stop_stream()
stream.close()
p.terminate()
logger.info(f'Dumping recording audio to file: {WAVE_OUTPUT_FILENAME}')
wf = wave.open(WAVE_OUTPUT_FILENAME, 'wb')
wf.setnchannels(CHANNELS)
wf.setsampwidth(p.get_sample_size(FORMAT))
wf.setframerate(RATE)
wf.writeframes(b''.join(frames))
wf.close()
def move_recorded_file(PROD, logger, models_manager, root_folder, file_path):
if not os.path.exists(f'{root_folder}/output/recorded_file.wav'):
logger.info("Not found audio file")
import time
time.sleep(5)
try:
models_manager.init_model("deepfilternet2")
models_manager.models("deepfilternet2").cleanup_audio(f'{root_folder}/output/recorded_file.wav', f'{root_folder}/output/recorded_file_preCleanup.wav')
# Do audio normalization also
ffmpeg_path = 'ffmpeg' if platform.system() == 'Linux' else f'{"./resources/app" if PROD else "."}/python/ffmpeg.exe'
ffmpeg_normalize = FFmpegNormalize(
normalization_type="ebu",
target_level=-23.0,
print_stats=False,
loudness_range_target=7.0,
true_peak=-2.0,
offset=0.0,
dual_mono=False,
audio_codec=None,
audio_bitrate=None,
sample_rate=22050,
keep_original_audio=False,
pre_filter=None,
post_filter=None,
video_codec="copy",
video_disable=False,
subtitle_disable=False,
metadata_disable=False,
chapters_disable=False,
extra_input_options=[],
extra_output_options=[],
output_format=None,
dry_run=False,
progress=False,
ffmpeg_exe=ffmpeg_path
)
ffmpeg_normalize.ffmpeg_exe = ffmpeg_path
ffmpeg_normalize.add_media_file(f'{root_folder}/output/recorded_file_preCleanup.wav', file_path)
ffmpeg_normalize.run_normalization()
except shutil.SameFileError:
pass
except:
logger.info(traceback.format_exc())