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main.py
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main.py
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import os
import sys
def blockPrint():
sys.stdout = open(os.devnull, 'w')
sys.stderr = open(os.devnull, 'w')
def enablePrint():
sys.stdout = sys.__stdout__
sys.stderr = sys.__stderr__
blockPrint()
import gradio as gr
import whisperx
import gc
import argparse
import inspect
import torch
import time
import json
import subprocess
enablePrint()
from scripts.whisper_model import load_custom_model, LANG_CODES
from typing import Optional, Tuple, Callable
from scripts.config_io import read_config_value, write_config_value
from scripts.utils import * # noqa: F403
# ensure gpu_support has correct value
gpu_support, error = read_config_value("gpu_support")
if gpu_support is False:
write_config_value("gpu_support", "false")
gpu_support = "false"
if error or gpu_support not in ("false", "cuda", "rocm"):
result = subprocess.run(["nvidia-smi"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
if result.returncode == 0:
write_config_value("gpu_support", "cuda")
else:
result = subprocess.run("lspci | grep -i 'amdgpu'", shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if result.returncode == 0:
write_config_value("gpu_support", "rocm")
else:
write_config_value("gpu_support", "false")
# global variables
ALIGN_LANGS = ["en", "fr", "de", "es", "it", "ja", "zh", "nl", "uk", "pt", "ar", "cs", "ru", "pl", "hu", "fi", "fa", "el", "tr", "da", "he", "vi", "ko", "ur", "te", "hi", "ca", "ml", "no", "nn"]
g_model = None
g_model_a = None
g_model_a_metadata = None
g_params = {}
with open("configs/lang.json", "r", encoding="utf-8") as f:
LANG_DICT = reformat_lang_dict(json.load(f))
val, error = read_config_value("language")
if error:
write_config_value("language", "en")
LANG = "en"
else:
LANG = val
if LANG not in LANG_DICT:
LANG = "en"
print(f"WARNING! Language {LANG} not supported for the interface. Using English instead")
MSG: dict[str, str] = LANG_DICT[LANG]
def release_whisper():
"""
Release the whisper model from memory.
"""
global g_model, g_params
del g_model
if g_params.get("device", None) == "gpu":
torch.cuda.empty_cache()
else:
gc.collect()
g_model = None
print(MSG["whisper_released"])
def release_align():
"""
Release the alignment model from memory.
"""
global g_model_a, g_params
del g_model_a
if g_params.get("device", None) == "gpu":
torch.cuda.empty_cache()
else:
gc.collect()
g_model_a = None
print(MSG["align_released"])
def release_memory_models():
"""
Release both models from memory.
"""
global g_model, g_model_a, g_params
del g_model, g_model_a
if g_params.get("device", None) == "gpu":
torch.cuda.empty_cache()
else:
gc.collect()
g_model = None
g_model_a = None
print(MSG["both_released"])
def get_args_str(func: Callable) -> list:
"""
Get the names of the arguments of a function.
"""
return list(inspect.signature(func).parameters)
def get_params(
func: Callable,
values: list
) -> dict:
"""
Get the parameters of a function as a dictionary.
"""
keys = get_args_str(func)
return {k: values[k] for k in keys}
def same_params(
params1: dict,
params2: dict,
*args
) -> bool:
"""
Check if two sets of parameters are the same.
If args are provided, only check the specified parameters.
"""
if args:
return all(params1.get(arg, None) == params2.get(arg, None) for arg in args)
else:
return params1 == params2
def transcribe_whisperx(
model_name: str,
audio_path: str,
micro_audio: tuple,
device: str,
batch_size: int,
compute_type: str,
language: str,
chunk_size: int,
beam_size: int,
release_memory: bool,
save_root: Optional[str],
save_audio: bool,
save_transcription: bool,
save_alignments: bool,
save_in_subfolder: bool,
preserve_name: bool,
alignments_format: str
) -> Tuple[str, str, str, str]:
"""
Transcribe an audio file using the WhisperX model.
Returns the transcription and sentence-level alignments.
"""
print(MSG["inputs_received"])
if device == "gpu":
device = "cuda"
params = get_params(transcribe_whisperx, locals())
global g_model, g_params
if not same_params(params, g_params, "language"):
print(MSG["lang_changed"])
release_align()
if not same_params(params, g_params, "model_name", "device", "compute_type", "beam_size") or g_model is None:
if g_model is not None:
print(MSG["params_changed"])
release_whisper()
print(MSG["loading_model"])
blockPrint()
g_model = whisperx.load_model(model_name, device, compute_type=compute_type, asr_options={"beam_size": beam_size}, download_root="models/whisperx")
enablePrint()
g_params = params
return _transcribe()
def transcribe_custom(
model_name: str,
audio_path: str,
micro_audio: tuple,
device: str,
batch_size: int,
compute_type: str,
language: str,
chunk_size: int,
beam_size: int,
release_memory: bool,
save_root: Optional[str],
save_audio: bool,
save_transcription: bool,
save_alignments: bool,
save_in_subfolder: bool,
preserve_name: bool,
alignments_format: str
) -> Tuple[str, str, str, str]:
"""
Transcribe an audio file using a custom Whisper model.
Returns the transcription and sentence-level alignments.
"""
print(MSG["inputs_received"])
if device == "gpu":
device = "cuda"
params = get_params(transcribe_custom, locals())
global g_model, g_params
if not same_params(params, g_params, "language", "device"):
print(MSG["lang_changed"])
release_align()
if not same_params(params, g_params, "model_name", "device", "compute_type", "beam_size") or g_model is None:
if g_model is not None:
print(MSG["params_changed"])
release_memory_models()
print(MSG["loading_model"])
blockPrint()
g_model = load_custom_model(model_name, device, compute_type=compute_type, beam_size=beam_size, download_root="models/custom")
enablePrint()
g_params = params
return _transcribe()
def _transcribe() -> Tuple[str, str, str, str]:
"""
Transcribe the audio file using the Whisper model.
Models and parameters should be loaded and stored globally before calling this function.
Returns the transcription and sentence-level alignments.
"""
global g_model, g_model_a, g_model_a_metadata, g_params
# Create save folder
save_dir = None
if not os.path.exists("temp"):
os.makedirs("temp")
if g_params["save_audio"] or g_params["save_transcription"] or g_params["save_alignments"]:
if g_params["save_root"] is not None and g_params["save_root"] != "":
save_root = g_params["save_root"]
else:
save_root = "outputs"
if g_params["save_in_subfolder"]:
save_dir = create_save_folder(save_root)
else:
save_dir = save_root
# Load (and save) audio
audio = load_and_save_audio(g_params["audio_path"], g_params["micro_audio"], g_params["save_audio"], save_dir, g_params["preserve_name"])
# Transcription
if g_params["language"] == "auto":
language = None
else:
language = g_params["language"]
time_transcribe = time.time()
print(MSG["starting_transcription"])
result = g_model.transcribe(audio, batch_size=g_params["batch_size"], language=language, chunk_size=g_params["chunk_size"], print_progress=True)
if "time" in result.keys():
time_transcribe = result["time"]
else:
time_transcribe = time.time() - time_transcribe
joined_text = " ".join([segment["text"].strip() for segment in result["segments"]])
if g_params["save_transcription"]:
if g_params["preserve_name"]:
audio_name = os.path.basename(g_params["audio_path"]).split(".")[0]
save_name = f"{audio_name}_transcription.txt"
else:
save_name = "transcription.txt"
save_transcription_to_txt(joined_text, save_dir, save_name)
if g_params["release_memory"]:
release_whisper()
# Word-level alignment
lang_used = result["language"]
if lang_used not in ALIGN_LANGS:
print(MSG["align_lang_not_supported"].format(lang_used))
lang_used = "en"
if g_model_a is None:
print(MSG["loading_align_model"])
g_model_a, g_model_a_metadata = whisperx.load_align_model(language_code=lang_used, device=g_params["device"], model_dir="models/alignment")
print(MSG["aligning"])
time_align = time.time()
aligned_result = whisperx.align(result["segments"], g_model_a, g_model_a_metadata, audio, g_params["device"], return_char_alignments=False)
time_align = time.time() - time_align
if g_params["save_alignments"]:
align_format = g_params["alignments_format"].lower()
if g_params["preserve_name"]:
audio_name = os.path.basename(g_params["audio_path"]).split(".")[0]
save_name = f"{audio_name}_timestamps." + align_format
else:
save_name = "timestamps." + align_format
if align_format == "json":
save_alignments_to_json(aligned_result, save_dir, save_name)
elif align_format == "srt":
subtitles = alignments2subtitles(aligned_result["segments"], max_line_length=50)
save_subtitles_to_srt(subtitles, save_dir, save_name)
if g_params["release_memory"]:
release_align()
print(MSG["done"])
if not os.listdir("temp") and os.path.exists("temp"):
# Remove temp folder if empty
os.rmdir("temp")
# Return the transcription and sentence-level alignments
return joined_text, format_alignments(aligned_result), f"{round(time_transcribe, 3)}s", f"{round(time_align, 3)}s"
# Prepare interface data
whisperx_models = ["large-v3", "large-v2", "large-v1", "medium", "small", "base", "tiny", "medium.en", "small.en", "base.en", "tiny.en"]
custom_models = list_models()
whisperx_langs = ["auto", "en", "es", "fr", "de", "it", "ja", "zh", "nl", "uk", "pt"]
custom_langs = ["auto"] + list(LANG_CODES.keys())
# Read config
gpu_support, error = read_config_value("gpu_support")
if gpu_support in ("cuda", "rocm"):
device = "gpu"
device_interactive = True
device_message = ""
else:
device = "cpu"
device_interactive = False
if gpu_support is None:
device_message = MSG["select_cpu"]
else:
device_message = MSG["gpu_disabled"]
def apply_config(lang: str):
prev_lang, error = read_config_value("language")
prev_lang = prev_lang if not error else LANG
write_config_value("language", lang)
if lang != prev_lang:
gr.Info(MSG["settings_updated"])
# Gradio interface
with gr.Blocks(title="Whisper GUI") as demo:
gr.Markdown(f"""# Whisper GUI
{MSG["gui_description"]}""")
with gr.Tab("Faster Whisper"):
with gr.Row():
with gr.Column():
model_select = gr.Dropdown(whisperx_models, value="base", label=MSG["model_select_label"], info=MSG["change_whisper_reload"])
with gr.Group():
audio_upload = gr.Audio(sources=["upload"], type="filepath", label=MSG["audio_upload_label"])
audio_record = gr.Audio(sources=["microphone"], type="numpy", label=MSG["audio_record_label"])
save_audio = gr.Checkbox(value=False, label=MSG["save_audio_label"], info=MSG["save_audio_info"])
gr.Examples(examples=["examples/coffe_break_example.mp3"], inputs=audio_upload)
with gr.Accordion(label=MSG["advanced_options"], open=False):
language_select = gr.Dropdown(whisperx_langs, value = "auto", label=MSG["language_select_label"], info=MSG["language_select_info"]+MSG["change_align_reload"])
device_select = gr.Radio(["gpu", "cpu"], value = device, label=MSG["device_select_label"], info=device_message+MSG["change_both_reload"], interactive=device_interactive)
with gr.Group():
with gr.Row():
save_transcription = gr.Checkbox(value=True, label=MSG["save_transcription_label"])
save_alignments = gr.Checkbox(value=True, label=MSG["save_align_label"])
save_root = gr.Textbox(label=MSG["save_root_label"], placeholder="outputs", lines=1)
save_in_subfolder = gr.Checkbox(value=True, label=MSG["save_subfolder_label"], info=MSG["save_subfolder_info"])
preserve_name = gr.Checkbox(value=False, label=MSG["preserve_name_label"], info=MSG["preserve_name_info"])
alignments_format = gr.Radio(["JSON", "SRT"], value="JSON", label=MSG["align_format_label"], interactive=True)
gr.Markdown(f"""### {MSG["optimizations"]}""")
compute_type_select = gr.Radio(["int8", "float16", "float32"], value = "int8", label=MSG["compute_type_label"], info=MSG["compute_type_info"]+MSG["change_whisper_reload"])
batch_size_slider = gr.Slider(1, 128, value = 1, step=1, label=MSG["batch_size_label"], info=MSG["batch_size_info"])
chunk_size_slider = gr.Slider(1, 80, value = 20, step=1, label=MSG["chunk_size_label"], info=MSG["chunk_size_info"])
beam_size_slider = gr.Slider(1, 100, value = 5, step=1, label=MSG["beam_size_label"], info=MSG["beam_size_info"]+MSG["change_whisper_reload"])
release_memory_checkbox = gr.Checkbox(label=MSG["release_memory_label"], value=True, info=MSG["release_memory_info"])
submit_button = gr.Button(value=MSG["submit_button"])
with gr.Column():
transcription_output = gr.Textbox(label=MSG["transcription_textbox"], lines=15)
alignments_output = gr.Textbox(label=MSG["align_textbox"], lines=15)
with gr.Row():
time_transcribe = gr.Textbox(label=MSG["time_transcribe_label"], info=MSG["time_transcribe_info"], lines=1)
time_align = gr.Textbox(label=MSG["time_align_label"], lines=1)
release_memory_button = gr.Button(value=MSG["release_memory_button"])
with gr.Tab("Custom model"):
with gr.Row():
with gr.Column():
with gr.Group():
model_select2 = gr.Dropdown(custom_models, value=None, label=MSG["model_select2_label"], allow_custom_value=True, info=MSG["change_whisper_reload"])
with gr.Group():
audio_upload2 = gr.Audio(sources=["upload"], type="filepath", label=MSG["audio_upload_label"])
audio_record2 = gr.Audio(sources=["microphone"], type="numpy", label=MSG["audio_record_label"])
save_audio2 = gr.Checkbox(value=False, label=MSG["save_audio_label"], info=MSG["save_audio_info"])
gr.Examples(examples=["examples/coffe_break_example.mp3"], inputs=audio_upload2)
with gr.Accordion(label=MSG["advanced_options"], open=False):
language_select2 = gr.Dropdown(custom_langs, value = "auto", label="Language", info=MSG["language_select_info"]+MSG["change_align_reload"])
device_select2 = gr.Radio(["gpu", "cpu"], value = device, label=MSG["device_select_label"], info=device_message+MSG["change_both_reload"], interactive=device_interactive)
with gr.Group():
with gr.Row():
save_transcription2 = gr.Checkbox(value=True, label=MSG["save_transcription_label"])
save_alignments2 = gr.Checkbox(value=True, label=MSG["save_align_label"])
save_root2 = gr.Textbox(label=MSG["save_root_label"], placeholder="outputs", lines=1)
save_in_subfolder2 = gr.Checkbox(value=True, label=MSG["save_subfolder_label"], info=MSG["save_subfolder_info"])
preserve_name2 = gr.Checkbox(value=False, label=MSG["preserve_name_label"], info=MSG["preserve_name_info"])
alignments_format2 = gr.Radio(["JSON", "SRT"], value="JSON", label=MSG["align_format_label"], interactive=True)
gr.Markdown(f"""### {MSG["optimizations"]}""")
compute_type_select2 = gr.Radio(["float16", "float32"], value = "float16", label=MSG["compute_type_label"], info=MSG["compute_type_info"]+MSG["change_whisper_reload"])
batch_size_slider2 = gr.Slider(1, 128, value = 1, step=1, label=MSG["batch_size_label"], info=MSG["batch_size_info"])
chunk_size_slider2 = gr.Slider(1, 80, value = 20, step=1, label=MSG["chunk_size_label"], info=MSG["chunk_size_info"])
beam_size_slider2 = gr.Slider(1, 100, value = 5, step=1, label=MSG["beam_size_label"], info=MSG["beam_size_info"]+MSG["change_whisper_reload"])
release_memory_checkbox2 = gr.Checkbox(label=MSG["release_memory_label"], value=True, info=MSG["release_memory_info"])
submit_button2 = gr.Button(value=MSG["submit_button"])
with gr.Column():
transcription_output2 = gr.Textbox(label=MSG["transcription_textbox"], lines=15)
alignments_output2 = gr.Textbox(label=MSG["align_textbox"], lines=15)
with gr.Row():
time_transcribe2 = gr.Textbox(label=MSG["time_transcribe_label"], info=MSG["time_transcribe_info"], lines=1)
time_align2 = gr.Textbox(label=MSG["time_align_label"], lines=1)
release_memory_button2 = gr.Button(value=MSG["release_memory_button"])
with gr.Tab("Settings"):
lang_select = gr.Dropdown(LANG_DICT.keys(), value=LANG, label=MSG["lang_select_label"], allow_custom_value=True, info=MSG["lang_select_info"])
apply_button = gr.Button(value=MSG["apply_changes"])
submit_button.click(transcribe_whisperx,
inputs=[model_select, audio_upload, audio_record, device_select, batch_size_slider, compute_type_select, language_select, chunk_size_slider, beam_size_slider, release_memory_checkbox, save_root, save_audio, save_transcription, save_alignments, save_in_subfolder, preserve_name, alignments_format],
outputs=[transcription_output, alignments_output, time_transcribe, time_align])
submit_button2.click(transcribe_custom,
inputs=[model_select2, audio_upload2, audio_record2, device_select2, batch_size_slider2, compute_type_select2, language_select2, chunk_size_slider2, beam_size_slider2, release_memory_checkbox2, save_root2, save_audio2, save_transcription2, save_alignments2, save_in_subfolder2, preserve_name2, alignments_format2],
outputs=[transcription_output2, alignments_output2, time_transcribe2, time_align2])
release_memory_button.click(release_memory_models)
release_memory_button2.click(release_memory_models)
apply_button.click(apply_config, inputs=[lang_select])
if __name__ == "__main__":
# Parse arguments
parser = argparse.ArgumentParser(description=MSG["argparse_description"])
parser.add_argument("--autolaunch", action="store_true", default=False, help=MSG["autloaunch_help"])
parser.add_argument("--share", action="store_true", default=False, help=MSG["share_help"])
args = parser.parse_args()
# Launch the interface
print(MSG["creating_interface"])
demo.launch(inbrowser=args.autolaunch, share=args.share)