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import gradio as gr
import os
import time
import sys
import tempfile
import subprocess
import requests
from urllib.parse import urlparse
from pydub import AudioSegment
import logging
import torch
from transformers import AutoModelForSpeechSeq2Seq, AutoProcessor, pipeline
import yt_dlp
logging.basicConfig(level=logging.INFO)
# Clone and install faster-whisper from GitHub
try:
subprocess.run(["git", "clone", "https://github.com/SYSTRAN/faster-whisper.git"], check=True)
subprocess.run(["pip", "install", "-e", "./faster-whisper"], check=True)
except subprocess.CalledProcessError as e:
logging.error(f"Error during faster-whisper installation: {e}")
sys.exit(1)
sys.path.append("./faster-whisper")
from faster_whisper import WhisperModel
from faster_whisper.transcribe import BatchedInferencePipeline
device = "cuda:0" if torch.cuda.is_available() else "cpu"
def download_audio(url, method_choice):
parsed_url = urlparse(url)
if parsed_url.netloc in ['www.youtube.com', 'youtu.be', 'youtube.com']:
return download_youtube_audio(url, method_choice)
else:
return download_direct_audio(url, method_choice)
def download_youtube_audio(url, method_choice):
methods = {
'yt-dlp': youtube_dl_method,
'pytube': pytube_method,
'youtube-dl': youtube_dl_classic_method,
'yt-dlp-alt': youtube_dl_alternative_method,
'ffmpeg': ffmpeg_method,
'aria2': aria2_method
}
method = methods.get(method_choice, youtube_dl_method)
try:
return method(url)
except Exception as e:
logging.error(f"Error downloading using {method_choice}: {str(e)}")
return None
def youtube_dl_method(url):
ydl_opts = {
'format': 'bestaudio/best',
'postprocessors': [{
'key': 'FFmpegExtractAudio',
'preferredcodec': 'mp3',
'preferredquality': '192',
}],
'outtmpl': '%(id)s.%(ext)s',
}
with yt_dlp.YoutubeDL(ydl_opts) as ydl:
info = ydl.extract_info(url, download=True)
return f"{info['id']}.mp3"
def pytube_method(url):
from pytube import YouTube
yt = YouTube(url)
audio_stream = yt.streams.filter(only_audio=True).first()
out_file = audio_stream.download()
base, ext = os.path.splitext(out_file)
new_file = base + '.mp3'
os.rename(out_file, new_file)
return new_file
def youtube_dl_classic_method(url):
ydl_opts = {
'format': 'bestaudio/best',
'postprocessors': [{
'key': 'FFmpegExtractAudio',
'preferredcodec': 'mp3',
'preferredquality': '192',
}],
'outtmpl': '%(id)s.%(ext)s',
}
with yt_dlp.YoutubeDL(ydl_opts) as ydl:
info = ydl.extract_info(url, download=True)
return f"{info['id']}.mp3"
def youtube_dl_alternative_method(url):
ydl_opts = {
'format': 'bestaudio/best',
'postprocessors': [{
'key': 'FFmpegExtractAudio',
'preferredcodec': 'mp3',
'preferredquality': '192',
}],
'outtmpl': '%(id)s.%(ext)s',
'no_warnings': True,
'quiet': True,
'no_check_certificate': True,
'prefer_insecure': True,
}
with yt_dlp.YoutubeDL(ydl_opts) as ydl:
info = ydl.extract_info(url, download=True)
return f"{info['id']}.mp3"
def ffmpeg_method(url):
output_file = tempfile.mktemp(suffix='.mp3')
command = ['ffmpeg', '-i', url, '-vn', '-acodec', 'libmp3lame', '-q:a', '2', output_file]
subprocess.run(command, check=True, capture_output=True)
return output_file
def aria2_method(url):
output_file = tempfile.mktemp(suffix='.mp3')
command = ['aria2c', '--split=4', '--max-connection-per-server=4', '--out', output_file, url]
subprocess.run(command, check=True, capture_output=True)
return output_file
def download_direct_audio(url, method_choice):
if method_choice == 'wget':
return wget_method(url)
else:
try:
response = requests.get(url)
if response.status_code == 200:
with tempfile.NamedTemporaryFile(delete=False, suffix=".mp3") as temp_file:
temp_file.write(response.content)
return temp_file.name
else:
raise Exception(f"Failed to download audio from {url}")
except Exception as e:
logging.error(f"Error downloading direct audio: {str(e)}")
return None
def wget_method(url):
output_file = tempfile.mktemp(suffix='.mp3')
command = ['wget', '-O', output_file, url]
subprocess.run(command, check=True, capture_output=True)
return output_file
def trim_audio(audio_path, start_time, end_time):
audio = AudioSegment.from_file(audio_path)
trimmed_audio = audio[start_time*1000:end_time*1000] if end_time else audio[start_time*1000:]
trimmed_audio_path = tempfile.mktemp(suffix='.wav')
trimmed_audio.export(trimmed_audio_path, format="wav")
return trimmed_audio_path
def save_transcription(transcription):
file_path = tempfile.mktemp(suffix='.txt')
with open(file_path, 'w') as f:
f.write(transcription)
return file_path
def get_model_options(pipeline_type):
if pipeline_type == "faster-batched":
return ["cstr/whisper-large-v3-turbo-int8_float32"]
elif pipeline_type == "faster-sequenced":
return ["deepdml/faster-whisper-large-v3-turbo-ct2"]
elif pipeline_type == "transformers":
return ["openai/whisper-large-v3"]
return []
def transcribe_audio(input_source, pipeline_type, model_id, dtype, batch_size, download_method, start_time=None, end_time=None, verbose=False):
try:
logging.info(f"Transcription parameters: pipeline_type={pipeline_type}, model_id={model_id}, dtype={dtype}, batch_size={batch_size}, download_method={download_method}")
verbose_messages = f"Starting transcription with parameters:\nPipeline Type: {pipeline_type}\nModel ID: {model_id}\nData Type: {dtype}\nBatch Size: {batch_size}\nDownload Method: {download_method}\n"
if pipeline_type == "faster-batched":
model = WhisperModel(model_id, device="auto", compute_type=dtype)
pipeline = BatchedInferencePipeline(model=model)
elif pipeline_type == "faster-sequenced":
model = WhisperModel(model_id)
pipeline = model.transcribe
elif pipeline_type == "transformers":
torch_dtype = torch.float16 if dtype == "float16" else torch.float32
model = AutoModelForSpeechSeq2Seq.from_pretrained(
model_id, torch_dtype=torch_dtype, low_cpu_mem_usage=True, use_safetensors=True
)
model.to(device)
processor = AutoProcessor.from_pretrained(model_id)
pipeline = pipeline(
"automatic-speech-recognition",
model=model,
tokenizer=processor.tokenizer,
feature_extractor=processor.feature_extractor,
chunk_length_s=30,
batch_size=batch_size,
return_timestamps=True,
torch_dtype=torch_dtype,
device=device,
)
else:
raise ValueError("Invalid pipeline type")
if isinstance(input_source, str) and (input_source.startswith('http://') or input_source.startswith('https://')):
audio_path = download_audio(input_source, download_method)
verbose_messages += f"Audio file downloaded: {audio_path}\n"
if audio_path.startswith("Error"):
yield f"Error: {audio_path}", "", None
return
else:
audio_path = input_source
if start_time is not None or end_time is not None:
trimmed_audio_path = trim_audio(audio_path, start_time or 0, end_time)
audio_path = trimmed_audio_path
verbose_messages += f"Audio trimmed from {start_time} to {end_time}\n"
start_time_perf = time.time()
if pipeline_type in ["faster-batched", "faster-sequenced"]:
segments, info = pipeline(audio_path, batch_size=batch_size)
else:
result = pipeline(audio_path)
segments = result["chunks"]
end_time_perf = time.time()
transcription_time = end_time_perf - start_time_perf
audio_file_size = os.path.getsize(audio_path) / (1024 * 1024)
metrics_output = (
f"Transcription time: {transcription_time:.2f} seconds\n"
f"Audio file size: {audio_file_size:.2f} MB\n"
)
if verbose:
yield verbose_messages + metrics_output, "", None
transcription = ""
for segment in segments:
transcription_segment = (
f"[{segment.start:.2f}s -> {segment.end:.2f}s] {segment.text}\n"
if pipeline_type in ["faster-batched", "faster-sequenced"] else
f"[{segment['timestamp'][0]:.2f}s -> {segment['timestamp'][1]:.2f}s] {segment['text']}\n"
)
transcription += transcription_segment
if verbose:
yield verbose_messages + metrics_output, transcription, None
transcription_file = save_transcription(transcription)
yield verbose_messages + metrics_output, transcription, transcription_file
except Exception as e:
logging.error(f"An error occurred during transcription: {str(e)}")
yield f"An error occurred: {str(e)}", "", None
finally:
if isinstance(input_source, str) and (input_source.startswith('http://') or input_source.startswith('https://')):
try:
os.remove(audio_path)
except:
pass
if start_time is not None or end_time is not None:
try:
os.remove(trimmed_audio_path)
except:
pass
def update_model_dropdown(pipeline_type):
model_choices = get_model_options(pipeline_type)
return gr.Dropdown.update(choices=model_choices, value=model_choices[0])
with gr.Blocks() as iface:
gr.Markdown("# Multi-Pipeline Transcription")
gr.Markdown("Transcribe audio using multiple pipelines and models.")
with gr.Row():
input_source = gr.Textbox(label="Audio Source (Upload, URL, or YouTube URL)")
pipeline_type = gr.Dropdown(choices=["faster-batched", "faster-sequenced", "transformers"], label="Pipeline Type", value="faster-batched")
model_id = gr.Dropdown(label="Model", choices=get_model_options("faster-batched"), value=get_model_options("faster-batched")[0])
with gr.Row():
dtype = gr.Dropdown(choices=["int8", "float16", "float32"], label="Data Type", value="int8")
batch_size = gr.Slider(minimum=1, maximum=32, step=1, value=16, label="Batch Size")
download_method = gr.Dropdown(choices=["yt-dlp", "pytube", "youtube-dl", "yt-dlp-alt", "ffmpeg", "aria2", "wget"], label="Download Method", value="yt-dlp")
with gr.Row():
start_time = gr.Number(label="Start Time (seconds)", value=0)
end_time = gr.Number(label="End Time (seconds)", value=0)
verbose = gr.Checkbox(label="Verbose Output", value=False)
transcribe_button = gr.Button("Transcribe")
with gr.Row():
metrics_output = gr.Textbox(label="Transcription Metrics and Verbose Messages", lines=10)
transcription_output = gr.Textbox(label="Transcription", lines=10)
transcription_file = gr.File(label="Download Transcription")
pipeline_type.change(update_model_dropdown, inputs=pipeline_type, outputs=model_id)
transcribe_button.click(
transcribe_audio,
inputs=[input_source, pipeline_type, model_id, dtype, batch_size, download_method, start_time, end_time, verbose],
outputs=[metrics_output, transcription_output, transcription_file]
)
gr.Examples(
examples=[
["https://www.youtube.com/watch?v=daQ_hqA6HDo", "faster-batched", "cstr/whisper-large-v3-turbo-int8_float32", "int8", 16, "yt-dlp", 0, None, False],
["https://mcdn.podbean.com/mf/web/dir5wty678b6g4vg/HoP_453_-_The_Price_is_Right_-_Law_and_Economics_in_the_Second_Scholastic5yxzh.mp3", "faster-sequenced", "deepdml/faster-whisper-large-v3-turbo-ct2", "float16", 1, "ffmpeg", 0, 300, True],
["path/to/local/audio.mp3", "transformers", "openai/whisper-large-v3", "float16", 16, "yt-dlp", 60, 180, False]
],
inputs=[input_source, pipeline_type, model_id, dtype, batch_size, download_method, start_time, end_time, verbose],
)
iface.launch()