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#!/usr/bin/env python3
#
# Copyright 2022-2024 Xiaomi Corp. (authors: Fangjun Kuang)
#
# See LICENSE for clarification regarding multiple authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# References:
# https://gradio.app/docs/#dropdown
import logging
import os
import tempfile
import time
import urllib.request
from datetime import datetime
from examples import examples
import gradio as gr
import soundfile as sf
from model import decode, get_pretrained_model, whisper_models
def convert_to_wav(in_filename: str) -> str:
"""Convert the input audio file to a wave file"""
out_filename = in_filename + ".wav"
logging.info(f"Converting '{in_filename}' to '{out_filename}'")
_ = os.system(
f"ffmpeg -hide_banner -i '{in_filename}' -ar 16000 -ac 1 '{out_filename}' -y"
)
return out_filename
def build_html_output(s: str, style: str = "result_item_success"):
return f"""
<div class='result'>
<div class='result_item {style}'>
{s}
</div>
</div>
"""
def process_url(
repo_id: str,
url: str,
):
logging.info(f"Processing URL: {url}")
with tempfile.NamedTemporaryFile() as f:
try:
urllib.request.urlretrieve(url, f.name)
return process(
in_filename=f.name,
repo_id=repo_id,
)
except Exception as e:
logging.info(str(e))
return "", build_html_output(str(e), "result_item_error")
def process_uploaded_file(
repo_id: str,
in_filename: str,
):
if in_filename is None or in_filename == "":
return "", build_html_output(
"Please first upload a file and then click "
'the button "submit for recognition"',
"result_item_error",
)
logging.info(f"Processing uploaded file: {in_filename}")
try:
return process(
in_filename=in_filename,
repo_id=repo_id,
)
except Exception as e:
logging.info(str(e))
return "", build_html_output(str(e), "result_item_error")
def process_microphone(
repo_id: str,
in_filename: str,
):
if in_filename is None or in_filename == "":
return "", build_html_output(
"Please first click 'Record from microphone', speak, "
"click 'Stop recording', and then "
"click the button 'submit for recognition'",
"result_item_error",
)
logging.info(f"Processing microphone: {in_filename}")
try:
return process(
in_filename=in_filename,
repo_id=repo_id,
)
except Exception as e:
logging.info(str(e))
return "", build_html_output(str(e), "result_item_error")
def process(
repo_id: str,
in_filename: str,
):
logging.info(f"repo_id: {repo_id}")
logging.info(f"in_filename: {in_filename}")
filename = convert_to_wav(in_filename)
now = datetime.now()
date_time = now.strftime("%Y-%m-%d %H:%M:%S.%f")
logging.info(f"Started at {date_time}")
start = time.time()
slid = get_pretrained_model(repo_id)
lang = decode(slid, filename)
date_time = now.strftime("%Y-%m-%d %H:%M:%S.%f")
end = time.time()
info = sf.info(filename)
duration = info.duration
elapsed = end - start
rtf = elapsed / duration
logging.info(f"Finished at {date_time} s. Elapsed: {elapsed: .3f} s")
info = f"""
Wave duration : {duration: .3f} s <br/>
Processing time: {elapsed: .3f} s <br/>
RTF: {elapsed: .3f}/{duration: .3f} = {rtf:.3f} <br/>
"""
if rtf > 1:
info += (
"<br/>We are loading the model for the first run. "
"Please run again to measure the real RTF.<br/>"
)
logging.info(info)
logging.info(f"\nrepo_id: {repo_id}\nDetected language: {lang}")
return text, build_html_output(info)
title = "# Spoken Language Identification: [Next-gen Kaldi](https://github.com/k2-fsa) + [Whisper](https://github.com/openai/whisper/)"
description = """
This space shows how to do spoken language identification with [Next-gen Kaldi](https://github.com/k2-fsa)
using [Whisper](https://github.com/openai/whisper/) multilingual models.
It is running on a machine with 2 vCPUs with 16 GB RAM within a docker container provided by Hugging Face.
See more information by visiting the following links:
- <https://github.com/k2-fsa/sherpa-onnx>
If you want to deploy it locally, please see
<https://k2-fsa.github.io/sherpa/onnx>
"""
# css style is copied from
# https://huggingface.co/spaces/alphacep/asr/blob/main/app.py#L113
css = """
.result {display:flex;flex-direction:column}
.result_item {padding:15px;margin-bottom:8px;border-radius:15px;width:100%}
.result_item_success {background-color:mediumaquamarine;color:white;align-self:start}
.result_item_error {background-color:#ff7070;color:white;align-self:start}
"""
demo = gr.Blocks(css=css)
with demo:
gr.Markdown(title)
model_choices = list(whisper_models.keys())
model_dropdown = gr.Dropdown(
choices=model_choices,
label="Select a model",
value=model_choices[0],
)
with gr.Tabs():
with gr.TabItem("Upload from disk"):
uploaded_file = gr.Audio(
sources=["upload"], # Choose between "microphone", "upload"
type="filepath",
label="Upload from disk",
)
upload_button = gr.Button("Submit for recognition")
uploaded_output = gr.Textbox(label="Recognized speech from uploaded file")
uploaded_html_info = gr.HTML(label="Info")
gr.Examples(
examples=examples,
inputs=[
model_dropdown,
uploaded_file,
],
outputs=[uploaded_output, uploaded_html_info],
fn=process_uploaded_file,
)
with gr.TabItem("Record from microphone"):
microphone = gr.Audio(
sources=["microphone"], # Choose between "microphone", "upload"
type="filepath",
label="Record from microphone",
)
record_button = gr.Button("Submit for recognition")
recorded_output = gr.Textbox(label="Recognized speech from recordings")
recorded_html_info = gr.HTML(label="Info")
gr.Examples(
examples=examples,
inputs=[
model_dropdown,
microphone,
],
outputs=[recorded_output, recorded_html_info],
fn=process_microphone,
)
with gr.TabItem("From URL"):
url_textbox = gr.Textbox(
max_lines=1,
placeholder="URL to an audio file",
label="URL",
interactive=True,
)
url_button = gr.Button("Submit for recognition")
url_output = gr.Textbox(label="Recognized speech from URL")
url_html_info = gr.HTML(label="Info")
upload_button.click(
process_uploaded_file,
inputs=[
model_dropdown,
uploaded_file,
],
outputs=[uploaded_output, uploaded_html_info],
)
record_button.click(
process_microphone,
inputs=[
model_dropdown,
microphone,
],
outputs=[recorded_output, recorded_html_info],
)
url_button.click(
process_url,
inputs=[
model_dropdown,
url_textbox,
],
outputs=[url_output, url_html_info],
)
gr.Markdown(description)
if __name__ == "__main__":
formatter = "%(asctime)s %(levelname)s [%(filename)s:%(lineno)d] %(message)s"
logging.basicConfig(format=formatter, level=logging.INFO)
demo.launch()
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