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app.py

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+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+
+# This source code is licensed under the license found in the
+# LICENSE file in the root directory of this source tree.
+
+# Updated to account for UI changes from https://github.com/rkfg/audiocraft/blob/long/app.py
+# also released under the MIT license.
+
+import argparse
+from concurrent.futures import ProcessPoolExecutor
+import os
+from pathlib import Path
+import subprocess as sp
+from tempfile import NamedTemporaryFile
+import time
+import warnings
+import glob
+import re
+from PIL import Image
+from pydub import AudioSegment
+from datetime import datetime
+
+import json
+import shutil
+import taglib
+import torch
+import torchaudio
+import gradio as gr
+import numpy as np
+import typing as tp
+
+from audiocraft.data.audio_utils import convert_audio
+from audiocraft.data.audio import audio_write
+from audiocraft.models import AudioGen, MusicGen, MultiBandDiffusion
+from audiocraft.utils import ui
+import random, string
+
+version = "2.0.1"
+
+theme = gr.themes.Base(
+    primary_hue="lime",
+    secondary_hue="lime",
+    neutral_hue="neutral",
+).set(
+    button_primary_background_fill_hover='*primary_500',
+    button_primary_background_fill_hover_dark='*primary_500',
+    button_secondary_background_fill_hover='*primary_500',
+    button_secondary_background_fill_hover_dark='*primary_500'
+)
+
+MODEL = None  # Last used model
+MODELS = None
+UNLOAD_MODEL = False
+MOVE_TO_CPU = False
+IS_BATCHED = "facebook/MusicGen" in os.environ.get('SPACE_ID', '')
+print(IS_BATCHED)
+MAX_BATCH_SIZE = None
+BATCHED_DURATION = 15
+INTERRUPTING = False
+MBD = None
+# We have to wrap subprocess call to clean a bit the log when using gr.make_waveform
+_old_call = sp.call
+
+
+def generate_random_string(length):
+    characters = string.ascii_letters + string.digits
+    return ''.join(random.choice(characters) for _ in range(length))
+
+
+def resize_video(input_path, output_path, target_width, target_height):
+    ffmpeg_cmd = [
+        'ffmpeg',
+        '-y',
+        '-i', input_path,
+        '-vf', f'scale={target_width}:{target_height}',
+        '-c:a', 'copy',
+        output_path
+    ]
+    sp.run(ffmpeg_cmd)
+
+
+def _call_nostderr(*args, **kwargs):
+    # Avoid ffmpeg vomiting on the logs.
+    kwargs['stderr'] = sp.DEVNULL
+    kwargs['stdout'] = sp.DEVNULL
+    _old_call(*args, **kwargs)
+
+
+sp.call = _call_nostderr
+# Preallocating the pool of processes.
+pool = ProcessPoolExecutor(4)
+pool.__enter__()
+
+
+def interrupt():
+    global INTERRUPTING
+    INTERRUPTING = True
+
+
+class FileCleaner:
+    def __init__(self, file_lifetime: float = 3600):
+        self.file_lifetime = file_lifetime
+        self.files = []
+
+    def add(self, path: tp.Union[str, Path]):
+        self._cleanup()
+        self.files.append((time.time(), Path(path)))
+
+    def _cleanup(self):
+        now = time.time()
+        for time_added, path in list(self.files):
+            if now - time_added > self.file_lifetime:
+                if path.exists():
+                    path.unlink()
+                self.files.pop(0)
+            else:
+                break
+
+
+file_cleaner = FileCleaner()
+
+
+def make_waveform(*args, **kwargs):
+    # Further remove some warnings.
+    be = time.time()
+    with warnings.catch_warnings():
+        warnings.simplefilter('ignore')
+        height = kwargs.pop('height')
+        width = kwargs.pop('width')
+        if height < 256:
+            height = 256
+        if width < 256:
+            width = 256
+        waveform_video = gr.make_waveform(*args, **kwargs)
+        out = f"{generate_random_string(12)}.mp4"
+        image = kwargs.get('bg_image', None)
+        if image is None:
+            resize_video(waveform_video, out, 900, 300)
+        else:
+            resize_video(waveform_video, out, width, height)
+        print("Make a video took", time.time() - be)
+        return out
+
+
+def load_model(version='GrandaddyShmax/musicgen-melody', custom_model=None, gen_type="music"):
+    global MODEL, MODELS
+    print("Loading model", version)
+    if MODELS is None:
+        if version == 'GrandaddyShmax/musicgen-custom':
+            MODEL = MusicGen.get_pretrained(custom_model)
+        else:
+            if gen_type == "music":
+                MODEL = MusicGen.get_pretrained(version)
+            elif gen_type == "audio":
+                MODEL = AudioGen.get_pretrained(version)
+
+        return
+
+    else:
+        t1 = time.monotonic()
+        if MODEL is not None:
+            MODEL.to('cpu') # move to cache
+            print("Previous model moved to CPU in %.2fs" % (time.monotonic() - t1))
+            t1 = time.monotonic()
+        if version != 'GrandaddyShmax/musicgen-custom' and MODELS.get(version) is None:
+            print("Loading model %s from disk" % version)
+            if gen_type == "music":
+                result = MusicGen.get_pretrained(version)
+            elif gen_type == "audio":
+                result = AudioGen.get_pretrained(version)
+            MODELS[version] = result
+            print("Model loaded in %.2fs" % (time.monotonic() - t1))
+            MODEL = result
+            return
+        result = MODELS[version].to('cuda')
+        print("Cached model loaded in %.2fs" % (time.monotonic() - t1))
+        MODEL = result
+
+def get_audio_info(audio_path):
+    if audio_path is not None:
+        if audio_path.name.endswith(".wav") or audio_path.name.endswith(".mp4") or audio_path.name.endswith(".json"):
+            if not audio_path.name.endswith(".json"):
+                with taglib.File(audio_path.name, save_on_exit=False) as song:
+                    if 'COMMENT' not in song.tags:
+                        return "No tags found. Either the file is not generated by MusicGen+ V1.2.7 and higher or the tags are corrupted. (Discord removes metadata from mp4 and wav files, so you can't use them)"
+                    json_string = song.tags['COMMENT'][0]
+                    data = json.loads(json_string)
+                    global_prompt = str("\nGlobal Prompt: " + (data['global_prompt'] if data['global_prompt'] != "" else "none")) if 'global_prompt' in data else ""
+                    bpm = str("\nBPM: " + data['bpm']) if 'bpm' in data else ""
+                    key = str("\nKey: " + data['key']) if 'key' in data else ""
+                    scale = str("\nScale: " + data['scale']) if 'scale' in data else ""
+                    prompts = str("\nPrompts: " + (data['texts'] if data['texts'] != "['']" else "none")) if 'texts' in data else ""
+                    duration = str("\nDuration: " + data['duration']) if 'duration' in data else ""
+                    overlap = str("\nOverlap: " + data['overlap']) if 'overlap' in data else ""
+                    seed = str("\nSeed: " + data['seed']) if 'seed' in data else ""
+                    audio_mode = str("\nAudio Mode: " + data['audio_mode']) if 'audio_mode' in data else ""
+                    input_length = str("\nInput Length: " + data['input_length']) if 'input_length' in data else ""
+                    channel = str("\nChannel: " + data['channel']) if 'channel' in data else ""
+                    sr_select = str("\nSample Rate: " + data['sr_select']) if 'sr_select' in data else ""
+                    gen_type = str(data['generator'] + "gen-") if 'generator' in data else ""
+                    model = str("\nModel: " + gen_type + data['model']) if 'model' in data else ""
+                    custom_model = str("\nCustom Model: " + data['custom_model']) if 'custom_model' in data else ""
+                    decoder = str("\nDecoder: " + data['decoder']) if 'decoder' in data else ""
+                    topk = str("\nTopk: " + data['topk']) if 'topk' in data else ""
+                    topp = str("\nTopp: " + data['topp']) if 'topp' in data else ""
+                    temperature = str("\nTemperature: " + data['temperature']) if 'temperature' in data else ""
+                    cfg_coef = str("\nClassifier Free Guidance: " + data['cfg_coef']) if 'cfg_coef' in data else ""
+                    version = str("Version: " + data['version']) if 'version' in data else "Version: Unknown"
+                    info = str(version + global_prompt + bpm + key + scale + prompts + duration + overlap + seed + audio_mode + input_length + channel + sr_select + model + custom_model + decoder + topk + topp + temperature + cfg_coef)
+                    if info == "":
+                        return "No tags found. Either the file is not generated by MusicGen+ V1.2.7 and higher or the tags are corrupted. (Discord removes metadata from mp4 and wav files, so you can't use them)"
+                    return info
+            else:
+                with open(audio_path.name) as json_file:
+                    data = json.load(json_file)
+                    #if 'global_prompt' not in data:
+                        #return "No tags found. Either the file is not generated by MusicGen+ V1.2.8a and higher or the tags are corrupted."
+                    global_prompt = str("\nGlobal Prompt: " + (data['global_prompt'] if data['global_prompt'] != "" else "none")) if 'global_prompt' in data else ""
+                    bpm = str("\nBPM: " + data['bpm']) if 'bpm' in data else ""
+                    key = str("\nKey: " + data['key']) if 'key' in data else ""
+                    scale = str("\nScale: " + data['scale']) if 'scale' in data else ""
+                    prompts = str("\nPrompts: " + (data['texts'] if data['texts'] != "['']" else "none")) if 'texts' in data else ""
+                    duration = str("\nDuration: " + data['duration']) if 'duration' in data else ""
+                    overlap = str("\nOverlap: " + data['overlap']) if 'overlap' in data else ""
+                    seed = str("\nSeed: " + data['seed']) if 'seed' in data else ""
+                    audio_mode = str("\nAudio Mode: " + data['audio_mode']) if 'audio_mode' in data else ""
+                    input_length = str("\nInput Length: " + data['input_length']) if 'input_length' in data else ""
+                    channel = str("\nChannel: " + data['channel']) if 'channel' in data else ""
+                    sr_select = str("\nSample Rate: " + data['sr_select']) if 'sr_select' in data else ""
+                    gen_type = str(data['generator'] + "gen-") if 'generator' in data else ""
+                    model = str("\nModel: " + gen_type + data['model']) if 'model' in data else ""
+                    custom_model = str("\nCustom Model: " + data['custom_model']) if 'custom_model' in data else ""
+                    decoder = str("\nDecoder: " + data['decoder']) if 'decoder' in data else ""
+                    topk = str("\nTopk: " + data['topk']) if 'topk' in data else ""
+                    topp = str("\nTopp: " + data['topp']) if 'topp' in data else ""
+                    temperature = str("\nTemperature: " + data['temperature']) if 'temperature' in data else ""
+                    cfg_coef = str("\nClassifier Free Guidance: " + data['cfg_coef']) if 'cfg_coef' in data else ""
+                    version = str("Version: " + data['version']) if 'version' in data else "Version: Unknown"
+                    info = str(version + global_prompt + bpm + key + scale + prompts + duration + overlap + seed + audio_mode + input_length + channel + sr_select + model + custom_model + decoder + topk + topp + temperature + cfg_coef)
+                    if info == "":
+                        return "No tags found. Either the file is not generated by MusicGen+ V1.2.7 and higher or the tags are corrupted."
+                    return info
+        else:
+            return "Only .wav ,.mp4 and .json files are supported"
+    else:
+        return None
+
+
+def info_to_params(audio_path):
+    if audio_path is not None:
+        if audio_path.name.endswith(".wav") or audio_path.name.endswith(".mp4") or audio_path.name.endswith(".json"):
+            if not audio_path.name.endswith(".json"):
+                with taglib.File(audio_path.name, save_on_exit=False) as song:
+                    if 'COMMENT' not in song.tags:
+                        return "Default", False, "", 120, "C", "Major", "large", None, 1, "", "", "", "", "", "", "", "", "", "", 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, "sample", 10, 250, 0, 1.0, 5.0, -1, 12, "stereo", "48000"
+                    json_string = song.tags['COMMENT'][0]
+                    data = json.loads(json_string)
+                    struc_prompt = (False if data['bpm'] == "none" else True) if 'bpm' in data else False
+                    global_prompt = data['global_prompt'] if 'global_prompt' in data else ""
+                    bpm = (120 if data['bpm'] == "none" else int(data['bpm'])) if 'bpm' in data else 120
+                    key = ("C" if data['key'] == "none" else data['key']) if 'key' in data else "C"
+                    scale = ("Major" if data['scale'] == "none" else data['scale']) if 'scale' in data else "Major"
+                    model = data['model'] if 'model' in data else "large"
+                    custom_model = (data['custom_model'] if (data['custom_model']) in get_available_folders() else None) if 'custom_model' in data else None
+                    decoder = data['decoder'] if 'decoder' in data else "Default"
+                    if 'texts' not in data:
+                        unique_prompts = 1
+                        text = ["", "", "", "", "", "", "", "", "", ""]
+                        repeat = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
+                    else:
+                        s = data['texts']
+                        s = re.findall(r"'(.*?)'", s)
+                        text = []
+                        repeat = []
+                        i = 0
+                        for elem in s:
+                            if elem.strip():
+                                if i == 0 or elem != s[i-1]:
+                                    text.append(elem)
+                                    repeat.append(1)
+                                else:
+                                    repeat[-1] += 1
+                            i += 1
+                        text.extend([""] * (10 - len(text)))
+                        repeat.extend([1] * (10 - len(repeat)))
+                        unique_prompts = len([t for t in text if t])
+                    audio_mode = ("sample" if data['audio_mode'] == "none" else data['audio_mode']) if 'audio_mode' in data else "sample"
+                    duration = int(data['duration']) if 'duration' in data else 10
+                    topk = float(data['topk']) if 'topk' in data else 250
+                    topp = float(data['topp']) if 'topp' in data else 0
+                    temperature = float(data['temperature']) if 'temperature' in data else 1.0
+                    cfg_coef = float(data['cfg_coef']) if 'cfg_coef' in data else 5.0
+                    seed = int(data['seed']) if 'seed' in data else -1
+                    overlap = int(data['overlap']) if 'overlap' in data else 12
+                    channel = data['channel'] if 'channel' in data else "stereo"
+                    sr_select = data['sr_select'] if 'sr_select' in data else "48000"
+                    return decoder, struc_prompt, global_prompt, bpm, key, scale, model, custom_model, unique_prompts, text[0], text[1], text[2], text[3], text[4], text[5], text[6], text[7], text[8], text[9], repeat[0], repeat[1], repeat[2], repeat[3], repeat[4], repeat[5], repeat[6], repeat[7], repeat[8], repeat[9], audio_mode, duration, topk, topp, temperature, cfg_coef, seed, overlap, channel, sr_select
+            else:
+                with open(audio_path.name) as json_file:
+                    data = json.load(json_file)
+                    struc_prompt = (False if data['bpm'] == "none" else True) if 'bpm' in data else False
+                    global_prompt = data['global_prompt'] if 'global_prompt' in data else ""
+                    bpm = (120 if data['bpm'] == "none" else int(data['bpm'])) if 'bpm' in data else 120
+                    key = ("C" if data['key'] == "none" else data['key']) if 'key' in data else "C"
+                    scale = ("Major" if data['scale'] == "none" else data['scale']) if 'scale' in data else "Major"
+                    model = data['model'] if 'model' in data else "large"
+                    custom_model = (data['custom_model'] if data['custom_model'] in get_available_folders() else None) if 'custom_model' in data else None
+                    decoder = data['decoder'] if 'decoder' in data else "Default"
+                    if 'texts' not in data:
+                        unique_prompts = 1
+                        text = ["", "", "", "", "", "", "", "", "", ""]
+                        repeat = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
+                    else:
+                        s = data['texts']
+                        s = re.findall(r"'(.*?)'", s)
+                        text = []
+                        repeat = []
+                        i = 0
+                        for elem in s:
+                            if elem.strip():
+                                if i == 0 or elem != s[i-1]:
+                                    text.append(elem)
+                                    repeat.append(1)
+                                else:
+                                    repeat[-1] += 1
+                            i += 1
+                        text.extend([""] * (10 - len(text)))
+                        repeat.extend([1] * (10 - len(repeat)))
+                        unique_prompts = len([t for t in text if t])
+                    audio_mode = ("sample" if data['audio_mode'] == "none" else data['audio_mode']) if 'audio_mode' in data else "sample"
+                    duration = int(data['duration']) if 'duration' in data else 10
+                    topk = float(data['topk']) if 'topk' in data else 250
+                    topp = float(data['topp']) if 'topp' in data else 0
+                    temperature = float(data['temperature']) if 'temperature' in data else 1.0
+                    cfg_coef = float(data['cfg_coef']) if 'cfg_coef' in data else 5.0
+                    seed = int(data['seed']) if 'seed' in data else -1
+                    overlap = int(data['overlap']) if 'overlap' in data else 12
+                    channel = data['channel'] if 'channel' in data else "stereo"
+                    sr_select = data['sr_select'] if 'sr_select' in data else "48000"
+                    return decoder, struc_prompt, global_prompt, bpm, key, scale, model, custom_model, unique_prompts, text[0], text[1], text[2], text[3], text[4], text[5], text[6], text[7], text[8], text[9], repeat[0], repeat[1], repeat[2], repeat[3], repeat[4], repeat[5], repeat[6], repeat[7], repeat[8], repeat[9], audio_mode, duration, topk, topp, temperature, cfg_coef, seed, overlap, channel, sr_select
+        else:
+            return "Default", False, "", 120, "C", "Major", "large", None, 1, "", "", "", "", "", "", "", "", "", "", 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, "sample", 10, 250, 0, 1.0, 5.0, -1, 12, "stereo", "48000"
+    else:
+        return "Default", False, "", 120, "C", "Major", "large", None, 1, "", "", "", "", "", "", "", "", "", "", 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, "sample", 10, 250, 0, 1.0, 5.0, -1, 12, "stereo", "48000"
+
+
+def info_to_params_a(audio_path):
+    if audio_path is not None:
+        if audio_path.name.endswith(".wav") or audio_path.name.endswith(".mp4") or audio_path.name.endswith(".json"):
+            if not audio_path.name.endswith(".json"):
+                with taglib.File(audio_path.name, save_on_exit=False) as song:
+                    if 'COMMENT' not in song.tags:
+                        return "Default", False, "", 1, "", "", "", "", "", "", "", "", "", "", 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 10, 250, 0, 1.0, 5.0, -1, 12, "stereo", "48000"
+                    json_string = song.tags['COMMENT'][0]
+                    data = json.loads(json_string)
+                    struc_prompt = (False if data['global_prompt'] == "" else True) if 'global_prompt' in data else False
+                    global_prompt = data['global_prompt'] if 'global_prompt' in data else ""
+                    decoder = data['decoder'] if 'decoder' in data else "Default"
+                    if 'texts' not in data:
+                        unique_prompts = 1
+                        text = ["", "", "", "", "", "", "", "", "", ""]
+                        repeat = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
+                    else:
+                        s = data['texts']
+                        s = re.findall(r"'(.*?)'", s)
+                        text = []
+                        repeat = []
+                        i = 0
+                        for elem in s:
+                            if elem.strip():
+                                if i == 0 or elem != s[i-1]:
+                                    text.append(elem)
+                                    repeat.append(1)
+                                else:
+                                    repeat[-1] += 1
+                            i += 1
+                        text.extend([""] * (10 - len(text)))
+                        repeat.extend([1] * (10 - len(repeat)))
+                        unique_prompts = len([t for t in text if t])
+                    duration = int(data['duration']) if 'duration' in data else 10
+                    topk = float(data['topk']) if 'topk' in data else 250
+                    topp = float(data['topp']) if 'topp' in data else 0
+                    temperature = float(data['temperature']) if 'temperature' in data else 1.0
+                    cfg_coef = float(data['cfg_coef']) if 'cfg_coef' in data else 5.0
+                    seed = int(data['seed']) if 'seed' in data else -1
+                    overlap = int(data['overlap']) if 'overlap' in data else 12
+                    channel = data['channel'] if 'channel' in data else "stereo"
+                    sr_select = data['sr_select'] if 'sr_select' in data else "48000"
+                    return decoder, struc_prompt, global_prompt, unique_prompts, text[0], text[1], text[2], text[3], text[4], text[5], text[6], text[7], text[8], text[9], repeat[0], repeat[1], repeat[2], repeat[3], repeat[4], repeat[5], repeat[6], repeat[7], repeat[8], repeat[9], duration, topk, topp, temperature, cfg_coef, seed, overlap, channel, sr_select
+            else:
+                with open(audio_path.name) as json_file:
+                    data = json.load(json_file)
+                    struc_prompt = (False if data['global_prompt'] == "" else True) if 'global_prompt' in data else False
+                    global_prompt = data['global_prompt'] if 'global_prompt' in data else ""
+                    decoder = data['decoder'] if 'decoder' in data else "Default"
+                    if 'texts' not in data:
+                        unique_prompts = 1
+                        text = ["", "", "", "", "", "", "", "", "", ""]
+                        repeat = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
+                    else:
+                        s = data['texts']
+                        s = re.findall(r"'(.*?)'", s)
+                        text = []
+                        repeat = []
+                        i = 0
+                        for elem in s:
+                            if elem.strip():
+                                if i == 0 or elem != s[i-1]:
+                                    text.append(elem)
+                                    repeat.append(1)
+                                else:
+                                    repeat[-1] += 1
+                            i += 1
+                        text.extend([""] * (10 - len(text)))
+                        repeat.extend([1] * (10 - len(repeat)))
+                        unique_prompts = len([t for t in text if t])
+                    duration = int(data['duration']) if 'duration' in data else 10
+                    topk = float(data['topk']) if 'topk' in data else 250
+                    topp = float(data['topp']) if 'topp' in data else 0
+                    temperature = float(data['temperature']) if 'temperature' in data else 1.0
+                    cfg_coef = float(data['cfg_coef']) if 'cfg_coef' in data else 5.0
+                    seed = int(data['seed']) if 'seed' in data else -1
+                    overlap = int(data['overlap']) if 'overlap' in data else 12
+                    channel = data['channel'] if 'channel' in data else "stereo"
+                    sr_select = data['sr_select'] if 'sr_select' in data else "48000"
+                    return decoder, struc_prompt, global_prompt, unique_prompts, text[0], text[1], text[2], text[3], text[4], text[5], text[6], text[7], text[8], text[9], repeat[0], repeat[1], repeat[2], repeat[3], repeat[4], repeat[5], repeat[6], repeat[7], repeat[8], repeat[9], duration, topk, topp, temperature, cfg_coef, seed, overlap, channel, sr_select
+                    
+        else:
+            return "Default", False, "", 1, "", "", "", "", "", "", "", "", "", "", 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 10, 250, 0, 1.0, 5.0, -1, 12, "stereo", "48000"
+    else:
+        return "Default", False, "", 1, "", "", "", "", "", "", "", "", "", "", 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 10, 250, 0, 1.0, 5.0, -1, 12, "stereo", "48000"
+
+
+def make_pseudo_stereo (filename, sr_select, pan, delay):
+    if pan:
+        temp = AudioSegment.from_wav(filename)
+        if sr_select != "32000":
+            temp = temp.set_frame_rate(int(sr_select))
+        left = temp.pan(-0.5) - 5
+        right = temp.pan(0.6) - 5
+        temp = left.overlay(right, position=5)
+        temp.export(filename, format="wav")
+    if delay:     
+        waveform, sample_rate = torchaudio.load(filename) # load mono WAV file
+        delay_seconds = 0.01 # set delay 10ms
+        delay_samples = int(delay_seconds * sample_rate) # Calculating delay value in number of samples
+        stereo_waveform = torch.stack([waveform[0], torch.cat((torch.zeros(delay_samples), waveform[0][:-delay_samples]))]) # Generate a stereo file with original mono audio and delayed version
+        torchaudio.save(filename, stereo_waveform, sample_rate)
+    return
+
+
+def normalize_audio(audio_data):
+    audio_data = audio_data.astype(np.float32)
+    max_value = np.max(np.abs(audio_data))
+    audio_data /= max_value
+    return audio_data
+
+
+def load_diffusion():
+    global MBD
+    if MBD is None:
+        print("loading MBD")
+        MBD = MultiBandDiffusion.get_mbd_musicgen()
+
+
+def unload_diffusion():
+    global MBD
+    if MBD is not None:
+        print("unloading MBD")
+        MBD = None
+
+
+def _do_predictions(gen_type, texts, melodies, sample, trim_start, trim_end, duration, image, height, width, background, bar1, bar2, channel, sr_select, progress=False, **gen_kwargs):
+    if gen_type == "music":
+        maximum_size = 29.5
+    elif gen_type == "audio":
+        maximum_size = 9.5
+    cut_size = 0
+    input_length = 0
+    sampleP = None
+    if sample is not None:
+        globalSR, sampleM = sample[0], sample[1]
+        sampleM = normalize_audio(sampleM)
+        sampleM = torch.from_numpy(sampleM).t()
+        if sampleM.dim() == 1:
+            sampleM = sampleM.unsqueeze(0)
+        sample_length = sampleM.shape[sampleM.dim() - 1] / globalSR
+        if trim_start >= sample_length:
+            trim_start = sample_length - 0.5
+        if trim_end >= sample_length:
+            trim_end = sample_length - 0.5
+        if trim_start + trim_end >= sample_length:
+            tmp = sample_length - 0.5
+            trim_start = tmp / 2
+            trim_end = tmp / 2
+        sampleM = sampleM[..., int(globalSR * trim_start):int(globalSR * (sample_length - trim_end))]
+        sample_length = sample_length - (trim_start + trim_end)
+        if sample_length > maximum_size:
+            cut_size = sample_length - maximum_size
+            sampleP = sampleM[..., :int(globalSR * cut_size)]
+            sampleM = sampleM[..., int(globalSR * cut_size):]
+        if sample_length >= duration:
+            duration = sample_length + 0.5
+        input_length = sample_length
+    global MODEL
+    MODEL.set_generation_params(duration=(duration - cut_size), **gen_kwargs)
+    print("new batch", len(texts), texts, [None if m is None else (m[0], m[1].shape) for m in melodies], [None if sample is None else (sample[0], sample[1].shape)])
+    be = time.time()
+    processed_melodies = []
+    if gen_type == "music":
+        target_sr = 32000
+    elif gen_type == "audio":
+        target_sr = 16000
+    target_ac = 1
+
+    for melody in melodies:
+        if melody is None:
+            processed_melodies.append(None)
+        else:
+            sr, melody = melody[0], torch.from_numpy(melody[1]).to(MODEL.device).float().t()
+            if melody.dim() == 1:
+                melody = melody[None]
+            melody = melody[..., :int(sr * duration)]
+            melody = convert_audio(melody, sr, target_sr, target_ac)
+            processed_melodies.append(melody)
+
+    if sample is not None:
+        if sampleP is None:
+            if gen_type == "music":
+                outputs = MODEL.generate_continuation(
+                    prompt=sampleM,
+                    prompt_sample_rate=globalSR,
+                    descriptions=texts,
+                    progress=progress,
+                    return_tokens=USE_DIFFUSION
+                )
+            elif gen_type == "audio":
+                outputs = MODEL.generate_continuation(
+                    prompt=sampleM,
+                    prompt_sample_rate=globalSR,
+                    descriptions=texts,
+                    progress=progress
+                )
+        else:
+            if sampleP.dim() > 1:
+                sampleP = convert_audio(sampleP, globalSR, target_sr, target_ac)
+            sampleP = sampleP.to(MODEL.device).float().unsqueeze(0)
+            if gen_type == "music":
+                outputs = MODEL.generate_continuation(
+                    prompt=sampleM,
+                    prompt_sample_rate=globalSR,
+                    descriptions=texts,
+                    progress=progress,
+                    return_tokens=USE_DIFFUSION
+                )
+            elif gen_type == "audio":
+                outputs = MODEL.generate_continuation(
+                    prompt=sampleM,
+                    prompt_sample_rate=globalSR,
+                    descriptions=texts,
+                    progress=progress
+                )
+            outputs = torch.cat([sampleP, outputs], 2)
+            
+    elif any(m is not None for m in processed_melodies):
+        if gen_type == "music":
+            outputs = MODEL.generate_with_chroma(
+                descriptions=texts,
+                melody_wavs=processed_melodies,
+                melody_sample_rate=target_sr,
+                progress=progress,
+                return_tokens=USE_DIFFUSION
+            )
+        elif gen_type == "audio":
+            outputs = MODEL.generate_with_chroma(
+                descriptions=texts,
+                melody_wavs=processed_melodies,
+                melody_sample_rate=target_sr,
+                progress=progress
+            )
+    else:
+        if gen_type == "music":
+            outputs = MODEL.generate(texts, progress=progress, return_tokens=USE_DIFFUSION)
+        elif gen_type == "audio":
+            outputs = MODEL.generate(texts, progress=progress)
+
+    if USE_DIFFUSION:
+        print("outputs: " + str(outputs))
+        outputs_diffusion = MBD.tokens_to_wav(outputs[1])
+        outputs = torch.cat([outputs[0], outputs_diffusion], dim=0)
+    outputs = outputs.detach().cpu().float()
+    backups = outputs
+    if channel == "stereo":
+        outputs = convert_audio(outputs, target_sr, int(sr_select), 2)
+    elif channel == "mono" and sr_select != "32000":
+        outputs = convert_audio(outputs, target_sr, int(sr_select), 1)
+    out_files = []
+    out_audios = []
+    out_backup = []
+    for output in outputs:
+        with NamedTemporaryFile("wb", suffix=".wav", delete=False) as file:
+            audio_write(
+                file.name, output, (MODEL.sample_rate if channel == "stereo effect" else int(sr_select)), strategy="loudness",
+                loudness_headroom_db=16, loudness_compressor=True, add_suffix=False)
+
+            if channel == "stereo effect":
+                make_pseudo_stereo(file.name, sr_select, pan=True, delay=True);
+
+            out_files.append(pool.submit(make_waveform, file.name, bg_image=image, bg_color=background, bars_color=(bar1, bar2), fg_alpha=1.0, bar_count=75, height=height, width=width))
+            out_audios.append(file.name)
+            file_cleaner.add(file.name)
+            print(f'wav: {file.name}')
+    for backup in backups:
+        with NamedTemporaryFile("wb", suffix=".wav", delete=False) as file:
+            audio_write(
+                file.name, backup, MODEL.sample_rate, strategy="loudness",
+                loudness_headroom_db=16, loudness_compressor=True, add_suffix=False)
+            out_backup.append(file.name)
+            file_cleaner.add(file.name)
+    res = [out_file.result() for out_file in out_files]
+    res_audio = out_audios
+    res_backup = out_backup
+    for file in res:
+        file_cleaner.add(file)
+        print(f'video: {file}')
+    print("batch finished", len(texts), time.time() - be)
+    print("Tempfiles currently stored: ", len(file_cleaner.files))
+    if MOVE_TO_CPU:
+        MODEL.to('cpu')
+    if UNLOAD_MODEL:
+        MODEL = None
+    torch.cuda.empty_cache()
+    torch.cuda.ipc_collect()
+    return res, res_audio, res_backup, input_length
+
+
+def predict_batched(texts, melodies):
+    max_text_length = 512
+    texts = [text[:max_text_length] for text in texts]
+    load_model('melody')
+    res = _do_predictions(texts, melodies, BATCHED_DURATION)
+    return res
+
+
+def add_tags(filename, tags): 
+    json_string = None
+
+    data = {
+        "global_prompt": tags[0],
+        "bpm": tags[1],
+        "key": tags[2],
+        "scale": tags[3],
+        "texts": tags[4],
+        "duration": tags[5],
+        "overlap": tags[6],
+        "seed": tags[7],
+        "audio_mode": tags[8],
+        "input_length": tags[9],
+        "channel": tags[10],
+        "sr_select": tags[11],
+        "model": tags[12],
+        "custom_model": tags[13],
+        "decoder": tags[14],
+        "topk": tags[15],  
+        "topp": tags[16],
+        "temperature": tags[17],
+        "cfg_coef": tags[18],
+        "generator": tags[19],
+        "version": version
+        }
+
+    json_string = json.dumps(data)
+
+    if os.path.exists(filename):
+        with taglib.File(filename, save_on_exit=True) as song:
+            song.tags = {'COMMENT': json_string }
+
+    json_file = open(tags[7] + '.json', 'w')
+    json_file.write(json_string)
+    json_file.close()
+
+    return json_file.name
+
+
+def save_outputs(mp4, wav_tmp, tags, gen_type):
+    # mp4: .mp4 file name in root running folder of app.py    
+    # wav_tmp: temporary wav file located in %TEMP% folder
+    # seed - used seed 
+    # exanple BgnJtr4Pn1AJ.mp4,  C:\Users\Alex\AppData\Local\Temp\tmp4ermrebs.wav,  195123182343465
+    # procedure read generated .mp4 and wav files, rename it by using seed as name, 
+    # and will store it to ./output/today_date/wav and  ./output/today_date/mp4 folders. 
+    # if file with same seed number already exist its make postfix in name like seed(n) 
+    # where is n - consiqunce number 1-2-3-4 and so on
+    # then we store generated mp4 and wav into destination folders.     
+
+    current_date = datetime.now().strftime("%Y%m%d")
+    wav_directory = os.path.join(os.getcwd(), 'output', current_date, gen_type,'wav')
+    mp4_directory = os.path.join(os.getcwd(), 'output', current_date, gen_type,'mp4')
+    json_directory = os.path.join(os.getcwd(), 'output', current_date, gen_type,'json')
+    os.makedirs(wav_directory, exist_ok=True)
+    os.makedirs(mp4_directory, exist_ok=True)
+    os.makedirs(json_directory, exist_ok=True)
+
+    filename = str(tags[7]) + '.wav'
+    target = os.path.join(wav_directory, filename)
+    counter = 1
+    while os.path.exists(target):
+        filename = str(tags[7]) + f'({counter})' + '.wav'
+        target = os.path.join(wav_directory, filename)
+        counter += 1
+
+    shutil.copyfile(wav_tmp, target); # make copy of original file
+    json_file = add_tags(target, tags)
+    
+    wav_target=target
+    target=target.replace('wav', 'mp4')
+    mp4_target=target
+    
+    mp4=r'./' +mp4;    
+    shutil.copyfile(mp4, target); # make copy of original file  
+    _ = add_tags(target, tags)
+
+    target=target.replace('mp4', 'json'); # change the extension to json
+    json_target=target; # store the json target
+
+    with open(target, 'w') as f: # open a writable file object
+        shutil.copyfile(json_file, target); # make copy of original file
+    
+    os.remove(json_file)
+
+    return wav_target, mp4_target, json_target
+
+
+def clear_cash():
+    # delete all temporary files genegated my system
+    current_date = datetime.now().date()
+    current_directory = os.getcwd()
+    files = glob.glob(os.path.join(current_directory, '*.mp4'))
+    for file in files:
+        creation_date = datetime.fromtimestamp(os.path.getctime(file)).date()
+        if creation_date == current_date:
+            os.remove(file)
+
+    temp_directory = os.environ.get('TEMP')
+    files = glob.glob(os.path.join(temp_directory, 'tmp*.mp4'))
+    for file in files:
+        creation_date = datetime.fromtimestamp(os.path.getctime(file)).date()
+        if creation_date == current_date:
+            os.remove(file)
+
+    files = glob.glob(os.path.join(temp_directory, 'tmp*.wav'))
+    for file in files:
+        creation_date = datetime.fromtimestamp(os.path.getctime(file)).date()
+        if creation_date == current_date:
+            os.remove(file)
+
+    files = glob.glob(os.path.join(temp_directory, 'tmp*.png'))
+    for file in files:
+        creation_date = datetime.fromtimestamp(os.path.getctime(file)).date()
+        if creation_date == current_date:
+            os.remove(file)
+    return
+
+
+def s2t(seconds, seconds2):
+    # convert seconds to time format
+    # seconds - time in seconds
+    # return time in format 00:00
+    m, s = divmod(seconds, 60)
+    m2, s2 = divmod(seconds2, 60)
+    if seconds != 0 and seconds < seconds2:
+        s = s + 1
+    return ("%02d:%02d - %02d:%02d" % (m, s, m2, s2))
+
+
+def calc_time(gen_type, s, duration, overlap, d0, d1, d2, d3, d4, d5, d6, d7, d8, d9):
+    # calculate the time of generation
+    # overlap - overlap in seconds
+    # d0-d9 - drag
+    # return time in seconds
+    d_amount = [int(d0), int(d1), int(d2), int(d3), int(d4), int(d5), int(d6), int(d7), int(d8), int(d9)]
+    calc = []
+    tracks = []
+    time = 0
+    s = s - 1
+    max_time = duration
+    max_limit = 0
+    if gen_type == "music":
+        max_limit = 30
+    elif gen_type == "audio":
+        max_limit = 10
+    track_add = max_limit - overlap
+    tracks.append(max_limit + ((d_amount[0] - 1) * track_add))
+    for i in range(1, 10):
+        tracks.append(d_amount[i] * track_add)
+    
+    if tracks[0] >= max_time or s == 0:
+        calc.append(s2t(time, max_time))
+        time = max_time
+    else:
+        calc.append(s2t(time, tracks[0]))
+        time = tracks[0]
+
+    for i in range(1, 10):
+        if time + tracks[i] >= max_time or i == s:
+            calc.append(s2t(time, max_time))
+            time = max_time
+        else:
+            calc.append(s2t(time, time + tracks[i]))
+            time = time + tracks[i]
+    
+    return calc[0], calc[1], calc[2], calc[3], calc[4], calc[5], calc[6], calc[7], calc[8], calc[9]
+
+def predict_full(gen_type, model, decoder, custom_model, prompt_amount, struc_prompt, bpm, key, scale, global_prompt, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, d0, d1, d2, d3, d4, d5, d6, d7, d8, d9, audio, mode, trim_start, trim_end, duration, topk, topp, temperature, cfg_coef, seed, overlap, image, height, width, background, bar1, bar2, channel, sr_select, progress=gr.Progress()):
+    global INTERRUPTING
+    global USE_DIFFUSION
+    INTERRUPTING = False
+
+    if gen_type == "audio":
+        custom_model = None
+        custom_model_shrt = "none"
+    elif gen_type == "music":
+        custom_model_shrt = custom_model
+        custom_model = "models/" + custom_model
+
+    if temperature < 0:
+        raise gr.Error("Temperature must be >= 0.")
+    if topk < 0:
+        raise gr.Error("Topk must be non-negative.")
+    if topp < 0:
+        raise gr.Error("Topp must be non-negative.")
+
+    if trim_start < 0:
+        trim_start = 0
+    if trim_end < 0:
+        trim_end = 0
+
+    topk = int(topk)
+
+    if decoder == "MultiBand_Diffusion":
+        USE_DIFFUSION = True
+        load_diffusion()
+    else:
+        USE_DIFFUSION = False
+        unload_diffusion()
+
+    if gen_type == "music":
+        model_shrt = model
+        model = "GrandaddyShmax/musicgen-" + model
+    elif gen_type == "audio":
+        model_shrt = model
+        model = "GrandaddyShmax/audiogen-" + model
+
+    if MODEL is None or MODEL.name != (model):
+        load_model(model, custom_model, gen_type)
+    else:
+        if MOVE_TO_CPU:
+            MODEL.to('cuda')
+
+    if seed < 0:
+        seed = random.randint(0, 0xffff_ffff_ffff)
+    torch.manual_seed(seed)
+
+    def _progress(generated, to_generate):
+        progress((min(generated, to_generate), to_generate))
+        if INTERRUPTING:
+            raise gr.Error("Interrupted.")
+    MODEL.set_custom_progress_callback(_progress)
+
+    audio_mode = "none"
+    melody = None
+    sample = None
+    if audio:
+      audio_mode = mode
+      if mode == "sample":
+          sample = audio
+      elif mode == "melody":
+          melody = audio
+
+    custom_model_shrt = "none" if model != "GrandaddyShmax/musicgen-custom" else custom_model_shrt
+
+    text_cat = [p0, p1, p2, p3, p4, p5, p6, p7, p8, p9]
+    drag_cat = [d0, d1, d2, d3, d4, d5, d6, d7, d8, d9]
+    texts = []
+    raw_texts = []
+    ind = 0
+    ind2 = 0
+    while ind < prompt_amount:
+        for ind2 in range(int(drag_cat[ind])):
+            if not struc_prompt:
+                texts.append(text_cat[ind])
+                global_prompt = "none"
+                bpm = "none"
+                key = "none"
+                scale = "none"
+                raw_texts.append(text_cat[ind])
+            else:
+                if gen_type == "music":
+                    bpm_str = str(bpm) + " bpm"
+                    key_str = ", " + str(key) + " " + str(scale)
+                    global_str = (", " + str(global_prompt)) if str(global_prompt) != "" else ""
+                elif gen_type == "audio":
+                    bpm_str = ""
+                    key_str = ""
+                    global_str = (str(global_prompt)) if str(global_prompt) != "" else ""
+                texts_str = (", " + str(text_cat[ind])) if str(text_cat[ind]) != "" else ""
+                texts.append(bpm_str + key_str + global_str + texts_str)
+                raw_texts.append(text_cat[ind])
+        ind2 = 0
+        ind = ind + 1
+
+    outs, outs_audio, outs_backup, input_length = _do_predictions(
+        gen_type, [texts], [melody], sample, trim_start, trim_end, duration, image, height, width, background, bar1, bar2, channel, sr_select, progress=True,
+        top_k=topk, top_p=topp, temperature=temperature, cfg_coef=cfg_coef, extend_stride=MODEL.max_duration-overlap)
+    tags = [str(global_prompt), str(bpm), str(key), str(scale), str(raw_texts), str(duration), str(overlap), str(seed), str(audio_mode), str(input_length), str(channel), str(sr_select), str(model_shrt), str(custom_model_shrt), str(decoder), str(topk), str(topp), str(temperature), str(cfg_coef), str(gen_type)]
+    wav_target, mp4_target, json_target = save_outputs(outs[0], outs_audio[0], tags, gen_type)
+    # Removes the temporary files.
+    for out in outs:
+        os.remove(out)
+    for out in outs_audio:
+        os.remove(out)
+
+    return mp4_target, wav_target, outs_backup[0], [mp4_target, wav_target, json_target], seed
+
+
+max_textboxes = 10
+
+
+#def get_available_models():
+    #return sorted([re.sub('.pt$', '', item.name) for item in list(Path('models/').glob('*')) if item.name.endswith('.pt')])
+
+
+def get_available_folders():
+    models_dir = "models"
+    folders = [f for f in os.listdir(models_dir) if os.path.isdir(os.path.join(models_dir, f))]
+    return sorted(folders)
+
+
+def toggle_audio_src(choice):
+    if choice == "mic":
+        return gr.update(source="microphone", value=None, label="Microphone")
+    else:
+        return gr.update(source="upload", value=None, label="File")
+
+
+def ui_full(launch_kwargs): # 編集時の目印
+    with gr.Blocks(title='AudioCraft Plus', theme=theme) as interface:
+        gr.Markdown(
+            """
+            # AudioCraft Plus - v2.0.1
+
+            ### An All-in-One AudioCraft WebUI
+
+            Thanks to: facebookresearch, Camenduru, rkfg, oobabooga, AlexHK and GrandaddyShmax
+            """
+        )
+        with gr.Tab("MusicGen"):
+            gr.Markdown(
+                """
+                ### MusicGen
+                """
+            )
+            with gr.Row():
+                with gr.Column():
+                    with gr.Tab("Generation"):
+                        with gr.Accordion("Structure Prompts", open=True):
+                            with gr.Column():
+                                with gr.Row():
+                                    struc_prompts = gr.Checkbox(label="Enable", value=True, interactive=True, container=False)
+                                    bpm = gr.Number(label="BPM", value=180, interactive=True, scale=1, precision=0)
+###                                    key = gr.Dropdown(["C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "Bb", "B"], label="Key", value="E", interactive=True)
+                                    key = gr.Dropdown(["C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "Bb", "B"], label="Key", value="E", interactive=True)
+                                    scale = gr.Dropdown(["Major", "Minor"], label="Scale", value="Minor", interactive=True)
+                                with gr.Row():
+                                    global_prompt = gr.Text(label="Global Prompt", interactive=True, scale=3)
+                        with gr.Row():
+                            s = gr.Slider(1, max_textboxes, value=1, step=1, label="Prompts:", interactive=True, scale=2)
+                        with gr.Row():
+                            MAX_BATCH_SIZE = gr.Slider(1, 50, value=4, step=1, label="batch size", interactive=True, scale=2)
+                            #s_mode = gr.Radio(["segmentation", "batch"], value="segmentation", interactive=True, scale=1, label="Generation Mode")
+                        with gr.Column():
+                            textboxes = []
+                            prompts = []
+                            repeats = []
+                            calcs = []
+                            with gr.Row():
+                                text0 = gr.Text(label="Input Text", interactive=True, scale=4)
+                                prompts.append(text0)
+                                drag0 = gr.Number(label="Repeat", value=1, interactive=True, scale=1)
+                                repeats.append(drag0)
+                                calc0 = gr.Text(interactive=False, value="00:00 - 00:00", scale=1, label="Time")
+                                calcs.append(calc0)
+                            for i in range(max_textboxes):
+                                with gr.Row(visible=False) as t:
+                                    text = gr.Text(label="Input Text", interactive=True, scale=3)
+                                    repeat = gr.Number(label="Repeat", minimum=1, value=1, interactive=True, scale=1)
+                                    calc = gr.Text(interactive=False, value="00:00 - 00:00", scale=1, label="Time")
+                                textboxes.append(t)
+                                prompts.append(text)
+                                repeats.append(repeat)
+                                calcs.append(calc)
+                            to_calc = gr.Button("Calculate Timings", variant="secondary")
+                        with gr.Row():
+                            duration = gr.Slider(minimum=1, maximum=300, value=10, step=1, label="Duration", interactive=True)
+                        with gr.Row():
+                            overlap = gr.Slider(minimum=1, maximum=29, value=12, step=1, label="Overlap", interactive=True)
+                        with gr.Row():
+                            seed = gr.Number(label="Seed", value=-1, scale=4, precision=0, interactive=True)
+                            gr.Button('\U0001f3b2\ufe0f', scale=1).click(fn=lambda: -1, outputs=[seed], queue=False)
+                            reuse_seed = gr.Button('\u267b\ufe0f', scale=1)
+
+                    with gr.Tab("Audio"):
+                        with gr.Row():
+                            with gr.Column():
+                                input_type = gr.Radio(["file", "mic"], value="file", label="Input Type (optional)", interactive=True)
+                                mode = gr.Radio(["melody", "sample"], label="Input Audio Mode (optional)", value="sample", interactive=True)
+                                with gr.Row():
+                                    trim_start = gr.Number(label="Trim Start", value=0, interactive=True)
+                                    trim_end = gr.Number(label="Trim End", value=0, interactive=True)
+                            audio = gr.Audio(source="upload", type="numpy", label="Input Audio (optional)", interactive=True)
+
+                    with gr.Tab("Customization"):
+                        with gr.Row():
+                            with gr.Column():
+                                background = gr.ColorPicker(value="#0f0f0f", label="background color", interactive=True, scale=0)
+                                bar1 = gr.ColorPicker(value="#84cc16", label="bar color start", interactive=True, scale=0)
+                                bar2 = gr.ColorPicker(value="#10b981", label="bar color end", interactive=True, scale=0)
+                            with gr.Column():
+                                image = gr.Image(label="Background Image", type="filepath", interactive=True, scale=4)
+                                with gr.Row():
+                                    height = gr.Number(label="Height", value=512, interactive=True)
+                                    width = gr.Number(label="Width", value=768, interactive=True)
+
+                    with gr.Tab("Settings"):
+                        with gr.Row():
+                            channel = gr.Radio(["mono", "stereo", "stereo effect"], label="Output Audio Channels", value="stereo effect", interactive=True, scale=1)
+                            sr_select = gr.Dropdown(["11025", "16000", "22050", "24000", "32000", "44100", "48000"], label="Output Audio Sample Rate", value="48000", interactive=True)
+                        with gr.Row():
+                            model = gr.Radio(["melody", "small", "medium", "large", "custom"], label="Model", value="small", interactive=True, scale=1)
+                            with gr.Column():
+                                dropdown = gr.Dropdown(choices=get_available_folders(), value=("No models found" if len(get_available_folders()) < 1 else get_available_folders()[0]), label='Custom Model (models folder)', elem_classes='slim-dropdown', interactive=True)
+                                ui.create_refresh_button(dropdown, lambda: None, lambda: {'choices': get_available_folders()}, 'refresh-button')
+                        with gr.Row():
+                            decoder = gr.Radio(["Default", "MultiBand_Diffusion"], label="Decoder", value="MultiBand_Diffusion", interactive=True)
+                        with gr.Row():
+                            topk = gr.Number(label="Top-k", value=250, interactive=True)
+                            topp = gr.Number(label="Top-p", value=0, interactive=True)
+                            temperature = gr.Number(label="Temperature", value=1.0, interactive=True)
+                            cfg_coef = gr.Number(label="Classifier Free Guidance", value=3.0, interactive=True)
+                    with gr.Row():
+                        submit = gr.Button("Generate", variant="primary")
+                        # Adapted from https://github.com/rkfg/audiocraft/blob/long/app.py, MIT license.
+                        _ = gr.Button("Interrupt").click(fn=interrupt, queue=False)
+                with gr.Column() as c:
+                    with gr.Tab("Output"):
+                        output = gr.Video(label="Generated Music", scale=0)
+                        with gr.Row():
+                            audio_only = gr.Audio(type="numpy", label="Audio Only", interactive=False)
+                            backup_only = gr.Audio(type="numpy", label="Backup Audio", interactive=False, visible=False)
+                            send_audio = gr.Button("Send to Input Audio")
+                        seed_used = gr.Number(label='Seed used', value=-1, interactive=False)
+                        download = gr.File(label="Generated Files", interactive=False)
+                    with gr.Tab("Wiki"):
+                        gr.Markdown(
+                            """
+                            - **[Generate (button)]:**  
+                            Generates the music with the given settings and prompts.
+
+                            - **[Interrupt (button)]:**  
+                            Stops the music generation as soon as it can, providing an incomplete output.
+
+                            ---
+
+                            ### Generation Tab:
+
+                            #### Structure Prompts:
+
+                            This feature helps reduce repetetive prompts by allowing you to set global prompts  
+                            that will be used for all prompt segments.
+
+                            - **[Structure Prompts (checkbox)]:**  
+                            Enable/Disable the structure prompts feature.
+
+                            - **[BPM (number)]:**  
+                            Beats per minute of the generated music.
+
+                            - **[Key (dropdown)]:**  
+                            The key of the generated music.
+
+                            - **[Scale (dropdown)]:**  
+                            The scale of the generated music.
+
+                            - **[Global Prompt (text)]:**  
+                            Here write the prompt that you wish to be used for all prompt segments.
+
+                            #### Multi-Prompt: 
+                            
+                            This feature allows you to control the music, adding variation to different time segments.  
+                            You have up to 10 prompt segments. the first prompt will always be 30s long  
+                            the other prompts will be [30s - overlap].  
+                            for example if the overlap is 10s, each prompt segment will be 20s.
+
+                            - **[Prompt Segments (number)]:**  
+                            Amount of unique prompt to generate throughout the music generation.
+
+                            - **[Prompt/Input Text (prompt)]:**  
+                            Here describe the music you wish the model to generate.
+
+                            - **[Repeat (number)]:**  
+                            Write how many times this prompt will repeat (instead of wasting another prompt segment on the same prompt).
+
+                            - **[Time (text)]:**  
+                            The time of the prompt segment.
+
+                            - **[Calculate Timings (button)]:**  
+                            Calculates the timings of the prompt segments.
+
+                            - **[Duration (number)]:**  
+                            How long you want the generated music to be (in seconds).
+
+                            - **[Overlap (number)]:**  
+                            How much each new segment will reference the previous segment (in seconds).  
+                            For example, if you choose 20s: Each new segment after the first one will reference the previous segment 20s  
+                            and will generate only 10s of new music. The model can only process 30s of music.
+
+                            - **[Seed (number)]:**  
+                            Your generated music id. If you wish to generate the exact same music,  
+                            place the exact seed with the exact prompts  
+                            (This way you can also extend specific song that was generated short).
+
+                            - **[Random Seed (button)]:**  
+                            Gives "-1" as a seed, which counts as a random seed.
+
+                            - **[Copy Previous Seed (button)]:**  
+                            Copies the seed from the output seed (if you don't feel like doing it manualy).
+
+                            ---
+
+                            ### Audio Tab:
+
+                            - **[Input Type (selection)]:**  
+                            `File` mode allows you to upload an audio file to use as input  
+                            `Mic` mode allows you to use your microphone as input
+
+                            - **[Input Audio Mode (selection)]:**  
+                            `Melody` mode only works with the melody model: it conditions the music generation to reference the melody  
+                            `Sample` mode works with any model: it gives a music sample to the model to generate its continuation.
+
+                            - **[Trim Start and Trim End (numbers)]:**  
+                            `Trim Start` set how much you'd like to trim the input audio from the start  
+                            `Trim End` same as the above but from the end
+
+                            - **[Input Audio (audio file)]:**  
+                            Input here the audio you wish to use with "melody" or "sample" mode.
+
+                            ---
+
+                            ### Customization Tab:
+
+                            - **[Background Color (color)]:**  
+                            Works only if you don't upload image. Color of the background of the waveform.
+
+                            - **[Bar Color Start (color)]:**  
+                            First color of the waveform bars.
+
+                            - **[Bar Color End (color)]:**  
+                            Second color of the waveform bars.
+
+                            - **[Background Image (image)]:**  
+                            Background image that you wish to be attached to the generated video along with the waveform.
+
+                            - **[Height and Width (numbers)]:**  
+                            Output video resolution, only works with image.  
+                            (minimum height and width is 256).
+                            
+                            ---
+
+                            ### Settings Tab:
+
+                            - **[Output Audio Channels (selection)]:**  
+                            With this you can select the amount of channels that you wish for your output audio.  
+                            `mono` is a straightforward single channel audio  
+                            `stereo` is a dual channel audio but it will sound more or less like mono  
+                            `stereo effect` this one is also dual channel but uses tricks to simulate a stereo audio.
+
+                            - **[Output Audio Sample Rate (dropdown)]:**  
+                            The output audio sample rate, the model default is 32000.
+
+                            - **[Model (selection)]:**  
+                            Here you can choose which model you wish to use:  
+                            `melody` model is based on the medium model with a unique feature that lets you use melody conditioning  
+                            `small` model is trained on 300M parameters  
+                            `medium` model is trained on 1.5B parameters  
+                            `large` model is trained on 3.3B parameters  
+                            `custom` model runs the custom model that you provided.
+
+                            - **[Custom Model (selection)]:**  
+                            This dropdown will show you models that are placed in the `models` folder  
+                            you must select `custom` in the model options in order to use it.
+
+                            - **[Refresh (button)]:**  
+                            Refreshes the dropdown list for custom model.
+
+                            - **[Decoder (selection)]:**  
+                            Choose here the decoder that you wish to use:  
+                            `Default` is the default decoder  
+                            `MultiBand_Diffusion` is a decoder that uses diffusion to generate the audio.
+
+                            - **[Top-k (number)]:**  
+                            is a parameter used in text generation models, including music generation models. It determines the number of most likely next tokens to consider at each step of the generation process. The model ranks all possible tokens based on their predicted probabilities, and then selects the top-k tokens from the ranked list. The model then samples from this reduced set of tokens to determine the next token in the generated sequence. A smaller value of k results in a more focused and deterministic output, while a larger value of k allows for more diversity in the generated music.
+
+                            - **[Top-p (number)]:**  
+                            also known as nucleus sampling or probabilistic sampling, is another method used for token selection during text generation. Instead of specifying a fixed number like top-k, top-p considers the cumulative probability distribution of the ranked tokens. It selects the smallest possible set of tokens whose cumulative probability exceeds a certain threshold (usually denoted as p). The model then samples from this set to choose the next token. This approach ensures that the generated output maintains a balance between diversity and coherence, as it allows for a varying number of tokens to be considered based on their probabilities.
+                            
+                            - **[Temperature (number)]:**  
+                            is a parameter that controls the randomness of the generated output. It is applied during the sampling process, where a higher temperature value results in more random and diverse outputs, while a lower temperature value leads to more deterministic and focused outputs. In the context of music generation, a higher temperature can introduce more variability and creativity into the generated music, but it may also lead to less coherent or structured compositions. On the other hand, a lower temperature can produce more repetitive and predictable music.
+
+                            - **[Classifier Free Guidance (number)]:**  
+                            refers to a technique used in some music generation models where a separate classifier network is trained to provide guidance or control over the generated music. This classifier is trained on labeled data to recognize specific musical characteristics or styles. During the generation process, the output of the generator model is evaluated by the classifier, and the generator is encouraged to produce music that aligns with the desired characteristics or style. This approach allows for more fine-grained control over the generated music, enabling users to specify certain attributes they want the model to capture.
+                            """
+                        )
+        with gr.Tab("AudioGen"):
+            gr.Markdown(
+                """
+                ### AudioGen
+                """
+            )
+            with gr.Row():
+                with gr.Column():
+                    with gr.Tab("Generation"):
+                        with gr.Accordion("Structure Prompts", open=False):
+                            with gr.Row():
+                                struc_prompts_a = gr.Checkbox(label="Enable", value=True, interactive=True, container=False)
+                                global_prompt_a = gr.Text(label="Global Prompt", interactive=True, scale=3)
+                        with gr.Row():
+                            s_a = gr.Slider(1, max_textboxes, value=1, step=1, label="Prompts:", interactive=True, scale=2)
+                        with gr.Column():
+                            textboxes_a = []
+                            prompts_a = []
+                            repeats_a = []
+                            calcs_a = []
+                            with gr.Row():
+                                text0_a = gr.Text(label="Input Text", interactive=True, scale=4)
+                                prompts_a.append(text0_a)
+                                drag0_a = gr.Number(label="Repeat", value=1, interactive=True, scale=1)
+                                repeats_a.append(drag0_a)
+                                calc0_a = gr.Text(interactive=False, value="00:00 - 00:00", scale=1, label="Time")
+                                calcs_a.append(calc0_a)
+                            for i in range(max_textboxes):
+                                with gr.Row(visible=False) as t_a:
+                                    text_a = gr.Text(label="Input Text", interactive=True, scale=3)
+                                    repeat_a = gr.Number(label="Repeat", minimum=1, value=1, interactive=True, scale=1)
+                                    calc_a = gr.Text(interactive=False, value="00:00 - 00:00", scale=1, label="Time")
+                                textboxes_a.append(t_a)
+                                prompts_a.append(text_a)
+                                repeats_a.append(repeat_a)
+                                calcs_a.append(calc_a)
+                            to_calc_a = gr.Button("Calculate Timings", variant="secondary")
+                        with gr.Row():
+                            duration_a = gr.Slider(minimum=1, maximum=300, value=10, step=1, label="Duration", interactive=True)
+                        with gr.Row():
+                            overlap_a = gr.Slider(minimum=1, maximum=9, value=2, step=1, label="Overlap", interactive=True)
+                        with gr.Row():
+                            seed_a = gr.Number(label="Seed", value=-1, scale=4, precision=0, interactive=True)
+                            gr.Button('\U0001f3b2\ufe0f', scale=1).click(fn=lambda: -1, outputs=[seed_a], queue=False)
+                            reuse_seed_a = gr.Button('\u267b\ufe0f', scale=1)
+
+                    with gr.Tab("Audio"):
+                        with gr.Row():
+                            with gr.Column():
+                                input_type_a = gr.Radio(["file", "mic"], value="file", label="Input Type (optional)", interactive=True)
+                                mode_a = gr.Radio(["sample"], label="Input Audio Mode (optional)", value="sample", interactive=False, visible=False)
+                                with gr.Row():
+                                    trim_start_a = gr.Number(label="Trim Start", value=0, interactive=True)
+                                    trim_end_a = gr.Number(label="Trim End", value=0, interactive=True)
+                            audio_a = gr.Audio(source="upload", type="numpy", label="Input Audio (optional)", interactive=True)
+
+                    with gr.Tab("Customization"):
+                        with gr.Row():
+                            with gr.Column():
+                                background_a = gr.ColorPicker(value="#0f0f0f", label="background color", interactive=True, scale=0)
+                                bar1_a = gr.ColorPicker(value="#84cc16", label="bar color start", interactive=True, scale=0)
+                                bar2_a = gr.ColorPicker(value="#10b981", label="bar color end", interactive=True, scale=0)
+                            with gr.Column():
+                                image_a = gr.Image(label="Background Image", type="filepath", interactive=True, scale=4)
+                                with gr.Row():
+                                    height_a = gr.Number(label="Height", value=512, interactive=True)
+                                    width_a = gr.Number(label="Width", value=768, interactive=True)
+
+                    with gr.Tab("Settings"):
+                        with gr.Row():
+                            channel_a = gr.Radio(["mono", "stereo", "stereo effect"], label="Output Audio Channels", value="stereo effect", interactive=True, scale=1)
+                            sr_select_a = gr.Dropdown(["11025", "16000", "22050", "24000", "32000", "44100", "48000"], label="Output Audio Sample Rate", value="48000", interactive=True)
+                        with gr.Row():
+                            model_a = gr.Radio(["medium"], label="Model", value="medium", interactive=False, visible=False)
+                            decoder_a = gr.Radio(["Default"], label="Decoder", value="Default", interactive=False, visible=False)
+                        with gr.Row():
+                            topk_a = gr.Number(label="Top-k", value=250, interactive=True)
+                            topp_a = gr.Number(label="Top-p", value=0, interactive=True)
+                            temperature_a = gr.Number(label="Temperature", value=1.0, interactive=True)
+                            cfg_coef_a = gr.Number(label="Classifier Free Guidance", value=3.0, interactive=True)
+                    with gr.Row():
+                        submit_a = gr.Button("Generate", variant="primary")
+                        _ = gr.Button("Interrupt").click(fn=interrupt, queue=False)
+                with gr.Column():
+                    with gr.Tab("Output"):
+                        output_a = gr.Video(label="Generated Audio", scale=0)
+                        with gr.Row():
+                            audio_only_a = gr.Audio(type="numpy", label="Audio Only", interactive=False)
+                            backup_only_a = gr.Audio(type="numpy", label="Backup Audio", interactive=False, visible=False)
+                            send_audio_a = gr.Button("Send to Input Audio")
+                        seed_used_a = gr.Number(label='Seed used', value=-1, interactive=False)
+                        download_a = gr.File(label="Generated Files", interactive=False)
+                    with gr.Tab("Wiki"):
+                        gr.Markdown(
+                            """
+                            - **[Generate (button)]:**  
+                            Generates the audio with the given settings and prompts.
+
+                            - **[Interrupt (button)]:**  
+                            Stops the audio generation as soon as it can, providing an incomplete output.
+
+                            ---
+
+                            ### Generation Tab:
+
+                            #### Structure Prompts:
+
+                            This feature helps reduce repetetive prompts by allowing you to set global prompts  
+                            that will be used for all prompt segments.
+
+                            - **[Structure Prompts (checkbox)]:**  
+                            Enable/Disable the structure prompts feature.
+
+                            - **[Global Prompt (text)]:**  
+                            Here write the prompt that you wish to be used for all prompt segments.
+
+                            #### Multi-Prompt: 
+                            
+                            This feature allows you to control the audio, adding variation to different time segments.  
+                            You have up to 10 prompt segments. the first prompt will always be 10s long  
+                            the other prompts will be [10s - overlap].  
+                            for example if the overlap is 2s, each prompt segment will be 8s.
+
+                            - **[Prompt Segments (number)]:**  
+                            Amount of unique prompt to generate throughout the audio generation.
+
+                            - **[Prompt/Input Text (prompt)]:**  
+                            Here describe the audio you wish the model to generate.
+
+                            - **[Repeat (number)]:**  
+                            Write how many times this prompt will repeat (instead of wasting another prompt segment on the same prompt).
+
+                            - **[Time (text)]:**  
+                            The time of the prompt segment.
+
+                            - **[Calculate Timings (button)]:**  
+                            Calculates the timings of the prompt segments.
+
+                            - **[Duration (number)]:**  
+                            How long you want the generated audio to be (in seconds).
+
+                            - **[Overlap (number)]:**  
+                            How much each new segment will reference the previous segment (in seconds).  
+                            For example, if you choose 2s: Each new segment after the first one will reference the previous segment 2s  
+                            and will generate only 8s of new audio. The model can only process 10s of music.
+
+                            - **[Seed (number)]:**  
+                            Your generated audio id. If you wish to generate the exact same audio,  
+                            place the exact seed with the exact prompts  
+                            (This way you can also extend specific song that was generated short).
+
+                            - **[Random Seed (button)]:**  
+                            Gives "-1" as a seed, which counts as a random seed.
+
+                            - **[Copy Previous Seed (button)]:**  
+                            Copies the seed from the output seed (if you don't feel like doing it manualy).
+
+                            ---
+
+                            ### Audio Tab:
+
+                            - **[Input Type (selection)]:**  
+                            `File` mode allows you to upload an audio file to use as input  
+                            `Mic` mode allows you to use your microphone as input
+
+                            - **[Trim Start and Trim End (numbers)]:**  
+                            `Trim Start` set how much you'd like to trim the input audio from the start  
+                            `Trim End` same as the above but from the end
+
+                            - **[Input Audio (audio file)]:**  
+                            Input here the audio you wish to use.
+
+                            ---
+
+                            ### Customization Tab:
+
+                            - **[Background Color (color)]:**  
+                            Works only if you don't upload image. Color of the background of the waveform.
+
+                            - **[Bar Color Start (color)]:**  
+                            First color of the waveform bars.
+
+                            - **[Bar Color End (color)]:**  
+                            Second color of the waveform bars.
+
+                            - **[Background Image (image)]:**  
+                            Background image that you wish to be attached to the generated video along with the waveform.
+
+                            - **[Height and Width (numbers)]:**  
+                            Output video resolution, only works with image.  
+                            (minimum height and width is 256).
+                            
+                            ---
+
+                            ### Settings Tab:
+
+                            - **[Output Audio Channels (selection)]:**  
+                            With this you can select the amount of channels that you wish for your output audio.  
+                            `mono` is a straightforward single channel audio  
+                            `stereo` is a dual channel audio but it will sound more or less like mono  
+                            `stereo effect` this one is also dual channel but uses tricks to simulate a stereo audio.
+
+                            - **[Output Audio Sample Rate (dropdown)]:**  
+                            The output audio sample rate, the model default is 32000.
+
+                            - **[Top-k (number)]:**  
+                            is a parameter used in text generation models, including music generation models. It determines the number of most likely next tokens to consider at each step of the generation process. The model ranks all possible tokens based on their predicted probabilities, and then selects the top-k tokens from the ranked list. The model then samples from this reduced set of tokens to determine the next token in the generated sequence. A smaller value of k results in a more focused and deterministic output, while a larger value of k allows for more diversity in the generated music.
+
+                            - **[Top-p (number)]:**  
+                            also known as nucleus sampling or probabilistic sampling, is another method used for token selection during text generation. Instead of specifying a fixed number like top-k, top-p considers the cumulative probability distribution of the ranked tokens. It selects the smallest possible set of tokens whose cumulative probability exceeds a certain threshold (usually denoted as p). The model then samples from this set to choose the next token. This approach ensures that the generated output maintains a balance between diversity and coherence, as it allows for a varying number of tokens to be considered based on their probabilities.
+                            
+                            - **[Temperature (number)]:**  
+                            is a parameter that controls the randomness of the generated output. It is applied during the sampling process, where a higher temperature value results in more random and diverse outputs, while a lower temperature value leads to more deterministic and focused outputs. In the context of music generation, a higher temperature can introduce more variability and creativity into the generated music, but it may also lead to less coherent or structured compositions. On the other hand, a lower temperature can produce more repetitive and predictable music.
+
+                            - **[Classifier Free Guidance (number)]:**  
+                            refers to a technique used in some music generation models where a separate classifier network is trained to provide guidance or control over the generated music. This classifier is trained on labeled data to recognize specific musical characteristics or styles. During the generation process, the output of the generator model is evaluated by the classifier, and the generator is encouraged to produce music that aligns with the desired characteristics or style. This approach allows for more fine-grained control over the generated music, enabling users to specify certain attributes they want the model to capture.
+                            """
+                        )
+        with gr.Tab("Audio Info"):
+            gr.Markdown(
+                """
+                ### Audio Info
+                """
+            )
+            with gr.Row():
+                with gr.Column():
+                    in_audio = gr.File(type="file", label="Input Any Audio", interactive=True)
+                    with gr.Row():
+                        send_gen = gr.Button("Send to MusicGen", variant="primary")
+                        send_gen_a = gr.Button("Send to AudioGen", variant="primary")
+                with gr.Column():
+                    info = gr.Textbox(label="Audio Info", lines=10, interactive=False)
+        with gr.Tab("Changelog"):
+            gr.Markdown(
+                            """
+                            ## Changelog:
+
+                            ### v2.0.1
+
+                            - Changed custom model loading to support the official trained models
+
+                            - Additional changes from the main facebookresearch repo
+
+
+
+                            ### v2.0.0a
+
+                            - Forgot to move all the update to app.py from temp2.py... oops
+
+
+
+                            ### v2.0.0
+
+                            - Changed name from MusicGen+ to AudioCraft Plus
+                            
+                            - Complete overhaul of the repo "backend" with the latest changes from the main facebookresearch repo
+
+                            - Added a new decoder: MultiBand_Diffusion
+
+                            - Added AudioGen: a new tab for generating audio
+
+
+
+                            ### v1.2.8c
+
+                            - Implemented Reverse compatibility for audio info tab with previous versions
+
+
+
+                            ### v1.2.8b
+
+                            - Fixed the error when loading default models
+
+
+
+                            ### v1.2.8a
+
+                            - Adapted Audio info tab to work with the new structure prompts feature
+
+                            - Now custom models actually work, make sure you select the correct base model
+
+
+
+                            ### v1.2.8
+
+                            - Now you will also recieve json file with metadata of generated audio
+
+                            - Added error messages in Audio Info tab
+
+                            - Added structure prompts: you can select bpm, key and global prompt for all prompts
+
+                            - Added time display next to each prompt, can be calculated with "Calculate Timings" button
+
+
+
+                            ### v1.2.7
+
+                            - When sending generated audio to Input Audio, it will send a backup audio with default settings  
+                            (best for continuos generation)
+
+                            - Added Metadata to generated audio (Thanks to AlexHK ♥)
+
+                            - Added Audio Info tab that will display the metadata of the input audio
+
+                            - Added "send to Text2Audio" button in Audio Info tab
+
+                            - Generated audio is now stored in the "output" folder (Thanks to AlexHK ♥)
+
+                            - Added an output area with generated files and download buttons
+
+                            - Enhanced Stereo effect (Thanks to AlexHK ♥)
+
+
+
+                            ### v1.2.6
+
+                            - Added option to generate in stereo (instead of only mono)
+
+                            - Added dropdown for selecting output sample rate (model default is 32000)
+
+
+
+                            ### v1.2.5a
+
+                            - Added file cleaner (This comes from the main facebookresearch repo)
+
+                            - Reorganized a little, moved audio to a seperate tab
+
+
+
+                            ### v1.2.5
+
+                            - Gave a unique lime theme to the webui
+                            
+                            - Added additional output for audio only
+
+                            - Added button to send generated audio to Input Audio
+
+                            - Added option to trim Input Audio
+
+
+
+                            ### v1.2.4
+
+                            - Added mic input (This comes from the main facebookresearch repo)
+
+
+
+                            ### v1.2.3
+
+                            - Added option to change video size to fit the image you upload
+
+
+
+                            ### v1.2.2
+
+                            - Added Wiki, Changelog and About tabs
+
+
+
+                            ### v1.2.1
+
+                            - Added tabs and organized the entire interface
+
+                            - Added option to attach image to the output video
+
+                            - Added option to load fine-tuned models (Yet to be tested)
+
+
+
+                            ### v1.2.0
+
+                            - Added Multi-Prompt
+
+
+
+                            ### v1.1.3
+
+                            - Added customization options for generated waveform
+
+
+
+                            ### v1.1.2
+
+                            - Removed sample length limit: now you can input audio of any length as music sample
+
+
+
+                            ### v1.1.1
+
+                            - Improved music sample audio quality when using music continuation
+
+
+
+                            ### v1.1.0
+
+                            - Rebuilt the repo on top of the latest structure of the main MusicGen repo
+                            
+                            - Improved Music continuation feature
+
+
+
+                            ### v1.0.0 - Stable Version
+
+                            - Added Music continuation
+                            """
+                        )
+        with gr.Tab("About"):
+            gen_type = gr.Text(value="music", interactive=False, visible=False)
+            gen_type_a = gr.Text(value="audio", interactive=False, visible=False)
+            gr.Markdown(
+                            """
+                            This is your private demo for [MusicGen](https://github.com/facebookresearch/audiocraft), a simple and controllable model for music generation
+                            presented at: ["Simple and Controllable Music Generation"](https://huggingface.co/papers/2306.05284)
+                            
+                            ## MusicGen+ is an extended version of the original MusicGen by facebookresearch. 
+                            
+                            ### Repo: https://github.com/GrandaddyShmax/audiocraft_plus/tree/plus
+
+                            ---
+                            
+                            ### This project was possible thanks to:
+
+                            #### GrandaddyShmax - https://github.com/GrandaddyShmax
+
+                            #### Camenduru - https://github.com/camenduru
+
+                            #### rkfg - https://github.com/rkfg
+
+                            #### oobabooga - https://github.com/oobabooga
+                            
+                            #### AlexHK - https://github.com/alanhk147
+                            """
+                        )
+
+        send_gen.click(info_to_params, inputs=[in_audio], outputs=[decoder, struc_prompts, global_prompt, bpm, key, scale, model, dropdown, s, prompts[0], prompts[1], prompts[2], prompts[3], prompts[4], prompts[5], prompts[6], prompts[7], prompts[8], prompts[9], repeats[0], repeats[1], repeats[2], repeats[3], repeats[4], repeats[5], repeats[6], repeats[7], repeats[8], repeats[9], mode, duration, topk, topp, temperature, cfg_coef, seed, overlap, channel, sr_select], queue=False)
+        reuse_seed.click(fn=lambda x: x, inputs=[seed_used], outputs=[seed], queue=False)
+        send_audio.click(fn=lambda x: x, inputs=[backup_only], outputs=[audio], queue=False)
+        submit.click(predict_full, inputs=[gen_type, model, decoder, dropdown, s, struc_prompts, bpm, key, scale, global_prompt, prompts[0], prompts[1], prompts[2], prompts[3], prompts[4], prompts[5], prompts[6], prompts[7], prompts[8], prompts[9], repeats[0], repeats[1], repeats[2], repeats[3], repeats[4], repeats[5], repeats[6], repeats[7], repeats[8], repeats[9], audio, mode, trim_start, trim_end, duration, topk, topp, temperature, cfg_coef, seed, overlap, image, height, width, background, bar1, bar2, channel, sr_select], outputs=[output, audio_only, backup_only, download, seed_used])
+        input_type.change(toggle_audio_src, input_type, [audio], queue=False, show_progress=False)
+        to_calc.click(calc_time, inputs=[gen_type, s, duration, overlap, repeats[0], repeats[1], repeats[2], repeats[3], repeats[4], repeats[5], repeats[6], repeats[7], repeats[8], repeats[9]], outputs=[calcs[0], calcs[1], calcs[2], calcs[3], calcs[4], calcs[5], calcs[6], calcs[7], calcs[8], calcs[9]], queue=False)
+
+        send_gen_a.click(info_to_params_a, inputs=[in_audio], outputs=[decoder_a, struc_prompts_a, global_prompt_a, s_a, prompts_a[0], prompts_a[1], prompts_a[2], prompts_a[3], prompts_a[4], prompts_a[5], prompts_a[6], prompts_a[7], prompts_a[8], prompts_a[9], repeats_a[0], repeats_a[1], repeats_a[2], repeats_a[3], repeats_a[4], repeats_a[5], repeats_a[6], repeats_a[7], repeats_a[8], repeats_a[9], duration_a, topk_a, topp_a, temperature_a, cfg_coef_a, seed_a, overlap_a, channel_a, sr_select_a], queue=False)
+        reuse_seed_a.click(fn=lambda x: x, inputs=[seed_used_a], outputs=[seed_a], queue=False)
+        send_audio_a.click(fn=lambda x: x, inputs=[backup_only_a], outputs=[audio_a], queue=False)
+        submit_a.click(predict_full, inputs=[gen_type_a, model_a, decoder_a, dropdown, s_a, struc_prompts_a, bpm, key, scale, global_prompt_a, prompts_a[0], prompts_a[1], prompts_a[2], prompts_a[3], prompts_a[4], prompts_a[5], prompts_a[6], prompts_a[7], prompts_a[8], prompts_a[9], repeats_a[0], repeats_a[1], repeats_a[2], repeats_a[3], repeats_a[4], repeats_a[5], repeats_a[6], repeats_a[7], repeats_a[8], repeats_a[9], audio_a, mode_a, trim_start_a, trim_end_a, duration_a, topk_a, topp_a, temperature_a, cfg_coef_a, seed_a, overlap_a, image_a, height_a, width_a, background_a, bar1_a, bar2_a, channel_a, sr_select_a], outputs=[output_a, audio_only_a, backup_only_a, download_a, seed_used_a])
+        input_type_a.change(toggle_audio_src, input_type_a, [audio_a], queue=False, show_progress=False)
+        to_calc_a.click(calc_time, inputs=[gen_type_a, s_a, duration_a, overlap_a, repeats_a[0], repeats_a[1], repeats_a[2], repeats_a[3], repeats_a[4], repeats_a[5], repeats_a[6], repeats_a[7], repeats_a[8], repeats_a[9]], outputs=[calcs_a[0], calcs_a[1], calcs_a[2], calcs_a[3], calcs_a[4], calcs_a[5], calcs_a[6], calcs_a[7], calcs_a[8], calcs_a[9]], queue=False)
+
+        in_audio.change(get_audio_info, in_audio, outputs=[info])
+
+        def variable_outputs(k):
+            k = int(k) - 1
+            return [gr.Textbox.update(visible=True)]*k + [gr.Textbox.update(visible=False)]*(max_textboxes-k)
+        def get_size(image):
+            if image is not None:
+                img = Image.open(image)
+                img_height = img.height
+                img_width = img.width
+                if (img_height%2) != 0:
+                    img_height = img_height + 1
+                if (img_width%2) != 0:
+                    img_width = img_width + 1
+                return img_height, img_width
+            else:
+                return 512, 768
+
+        image.change(get_size, image, outputs=[height, width])
+        image_a.change(get_size, image_a, outputs=[height_a, width_a])
+        s.change(variable_outputs, s, textboxes)
+        s_a.change(variable_outputs, s_a, textboxes_a)
+        interface.queue().launch(**launch_kwargs)
+
+
+def ui_batched(launch_kwargs):
+    with gr.Blocks() as demo:
+        gr.Markdown(
+            """
+            # MusicGen
+
+            This is the demo for [MusicGen](https://github.com/facebookresearch/audiocraft),
+            a simple and controllable model for music generation
+            presented at: ["Simple and Controllable Music Generation"](https://huggingface.co/papers/2306.05284).
+            <br/>
+            <a href="https://huggingface.co/spaces/facebook/MusicGen?duplicate=true"
+                style="display: inline-block;margin-top: .5em;margin-right: .25em;" target="_blank">
+            <img style="margin-bottom: 0em;display: inline;margin-top: -.25em;"
+                src="https://bit.ly/3gLdBN6" alt="Duplicate Space"></a>
+            for longer sequences, more control and no queue.</p>
+            """
+        )
+        with gr.Row():
+            with gr.Column():
+                with gr.Row():
+                    text = gr.Text(label="Describe your music", lines=2, interactive=True)
+                    with gr.Column():
+                        radio = gr.Radio(["file", "mic"], value="file",
+                                         label="Condition on a melody (optional) File or Mic")
+                        melody = gr.Audio(source="upload", type="numpy", label="File",
+                                          interactive=True, elem_id="melody-input")
+                with gr.Row():
+                    submit = gr.Button("Generate")
+            with gr.Column():
+                output = gr.Video(label="Generated Music")
+                audio_output = gr.Audio(label="Generated Music (wav)", type='filepath')
+        submit.click(predict_batched, inputs=[text, melody],
+                     outputs=[output, audio_output], batch=True, max_batch_size=MAX_BATCH_SIZE)
+        radio.change(toggle_audio_src, radio, [melody], queue=False, show_progress=False)
+        gr.Examples(
+            fn=predict_batched,
+            examples=[
+                [
+                    "An 80s driving pop song with heavy drums and synth pads in the background",
+                    "./assets/bach.mp3",
+                ],
+                [
+                    "A cheerful country song with acoustic guitars",
+                    "./assets/bolero_ravel.mp3",
+                ],
+                [
+                    "90s rock song with electric guitar and heavy drums",
+                    None,
+                ],
+                [
+                    "a light and cheerly EDM track, with syncopated drums, aery pads, and strong emotions bpm: 130",
+                    "./assets/bach.mp3",
+                ],
+                [
+                    "lofi slow bpm electro chill with organic samples",
+                    None,
+                ],
+            ],
+            inputs=[text, melody],
+            outputs=[output]
+        )
+        gr.Markdown("""
+        ### More details
+
+        The model will generate 12 seconds of audio based on the description you provided.
+        You can optionally provide a reference audio from which a broad melody will be extracted.
+        The model will then try to follow both the description and melody provided.
+        All samples are generated with the `melody` model.
+
+        You can also use your own GPU or a Google Colab by following the instructions on our repo.
+
+        See [github.com/facebookresearch/audiocraft](https://github.com/facebookresearch/audiocraft)
+        for more details.
+        """)
+
+        demo.queue(max_size=8 * 4).launch(**launch_kwargs)
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        '--listen',
+        type=str,
+        default='0.0.0.0' if 'SPACE_ID' in os.environ else '127.0.0.1',
+        help='IP to listen on for connections to Gradio',
+    )
+    parser.add_argument(
+        '--username', type=str, default='', help='Username for authentication'
+    )
+    parser.add_argument(
+        '--password', type=str, default='', help='Password for authentication'
+    )
+    parser.add_argument(
+        '--server_port',
+        type=int,
+        default=0,
+        help='Port to run the server listener on',
+    )
+    parser.add_argument(
+        '--inbrowser', action='store_true', help='Open in browser'
+    )
+    parser.add_argument(
+        '--share', action='store_true', help='Share the gradio UI'
+    )
+    parser.add_argument(
+        '--unload_model', action='store_true', help='Unload the model after every generation to save GPU memory'
+    )
+
+    parser.add_argument(
+        '--unload_to_cpu', action='store_true', help='Move the model to main RAM after every generation to save GPU memory but reload faster than after full unload (see above)'
+    )
+
+    parser.add_argument(
+        '--cache', action='store_true', help='Cache models in RAM to quickly switch between them'
+    )
+
+    args = parser.parse_args()
+    UNLOAD_MODEL = args.unload_model
+    MOVE_TO_CPU = args.unload_to_cpu
+    if args.cache:
+        MODELS = {}
+
+    launch_kwargs = {}
+    launch_kwargs['server_name'] = args.listen
+
+    if args.username and args.password:
+        launch_kwargs['auth'] = (args.username, args.password)
+    if args.server_port:
+        launch_kwargs['server_port'] = args.server_port
+    if args.inbrowser:
+        launch_kwargs['inbrowser'] = args.inbrowser
+    if args.share:
+        launch_kwargs['share'] = args.share
+
+    # Show the interface
+    if IS_BATCHED:
+        global USE_DIFFUSION
+        USE_DIFFUSION = False
+        ui_batched(launch_kwargs)
+    else:
+        ui_full(launch_kwargs)

requirements.txt

@@ -0,0 +1,24 @@
+# please make sure you have already a pytorch install that is cuda enabled!
+av
+einops
+flashy>=0.0.1
+hydra-core>=1.1
+hydra_colorlog
+julius
+num2words
+numpy
+sentencepiece
+spacy==3.5.2
+torch>=2.0.0
+torchaudio>=2.0.0
+huggingface_hub
+tqdm
+transformers>=4.31.0  # need Encodec there.
+xformers
+demucs
+librosa
+gradio
+torchmetrics
+encodec
+pytaglib
+protobuf