Files
SoundGame/tools/stable-audio-3/stable_audio_3/interface/diffusion_cond.py
T
SoundGame Dev f0f0a9b50e 初始提交:3 款纯音频游戏 + 共享引擎 + 完整文档与资产管线
- 共享引擎(app/src/main):GestureEngine 6 手势识别、AudioEngine 三层音频
  (ExoPlayer BGM 交叉淡入 / 对白 ducking / SoundPool 低延迟)、Game/GameEngine
  状态机接口、MainActivity 全屏封面 + TalkBack
- 《声命线》storyline:末世互动广播剧,3 幕 8 抉择点 4 结局
- 《声东击西》reflex:听声辨位反应,12 波战斗 + BGM 三档 BPM 变速
- 《暗室》escape:3x3 网格密室逃脱,钥匙→铁柜→保险丝→电箱→大门谜题链
- 文档:setup(从零搭建)/ architecture(架构)/ engine-api(引擎 API)/
  asset-pipeline(资产流水线)/ games/*(三款游戏设计文档)
- 资产管线:Qwen3-TTS 对白 + 程序合成音效/BGM + Mureka BGM 的 gen 脚本与台账,
  全部 ogg 资产入库可复现
- env.d 环境脚本:android/tts 入库;sfx/mureka 含密钥不入库,仅提交 .example.sh 模板
2026-08-29 13:00:34 +08:00

671 lines
32 KiB
Python

import gc
import numpy as np
import gradio as gr
import re
import subprocess
import torch
import torchaudio
import threading
import os, time, math
from einops import rearrange
from stable_audio_3.interface.aeiou import audio_spectrogram_image
from stable_audio_3.inference.distribution_shift import LogSNRShift, FluxDistributionShift, DistributionShift, IdentityDistributionShift
from stable_audio_3.models.lora import has_lora
from stable_audio_3.interface.reprompt import reprompt as _reprompt_fn, get_model as _reprompt_get_model, is_model_cached as _reprompt_is_model_cached
stable_audio_3_model = None
sample_size = 5324800
sample_rate = 44100
n_loras = 0
_LENGTH_EXTRACT_RE = re.compile(r' Length: (\d+) seconds\.?\s*$')
def parse_inpaint_regions(starts_csv, ends_csv):
"""Parse matching comma-separated inpaint start/end regions."""
def parse(value):
values = [item.strip() for item in str(value or "").split(",") if item.strip()]
try:
return [float(item) for item in values]
except ValueError as exc:
raise gr.Error("Inpaint regions must be comma-separated numbers.") from exc
starts = parse(starts_csv)
ends = parse(ends_csv)
if not starts and not ends:
return None, None
if not starts or not ends:
raise gr.Error("Inpaint starts and ends must both be provided.")
if len(starts) != len(ends):
raise gr.Error("Inpaint starts and ends must contain the same number of regions.")
if any(start < 0 or end <= start for start, end in zip(starts, ends)):
raise gr.Error("Each inpaint region must have a non-negative start before its end.")
return (
starts[0] if len(starts) == 1 else starts,
ends[0] if len(ends) == 1 else ends,
)
# when using a prompt in a filename
def condense_prompt(prompt):
pattern = r'[\\/:*?"<>|]'
# Replace special characters with hyphens
prompt = re.sub(pattern, '-', prompt)
# set a character limit
prompt = prompt[:150]
# zero length prompts may lead to filenames (ie ".wav") which seem cause problems with gradio
if len(prompt)==0:
prompt = "_"
return prompt
def generate_cond(
prompt,
negative_prompt=None,
seconds_total=30,
cfg_scale=6.0,
steps=250,
preview_every=None,
seed=-1,
sampler_type="dpmpp-3m-sde",
sigma_max=1000,
cfg_interval_min=0.0,
cfg_interval_max=1.0,
cfg_rescale=0.0,
cfg_norm_threshold=0.0,
apg_scale=1.0,
file_format="wav",
file_naming="verbose",
cut_to_seconds_total=False,
init_audio=None,
init_noise_level=1.0,
mask_maskstart=None,
mask_maskend=None,
inpaint_audio=None,
init_audio_type="Init audio",
inversion_steps=100,
inversion_gamma=0.3,
inversion_unconditional=False,
duration_padding_sec=6.0,
batch_size=1,
dist_shift=None,
*lora_args
):
if torch.cuda.is_available():
torch.cuda.empty_cache()
gc.collect()
print(f"Prompt: {prompt}")
global preview_images
preview_images = []
if preview_every == 0:
preview_every = None
# Parse per-LoRA controls from trailing args
# Each LoRA has 5 controls: strength, interval_min, interval_max, layer_filter
lora_configs = None
if n_loras > 0 and len(lora_args) >= n_loras * 4:
lora_configs = []
for i in range(n_loras):
off = i * 4
strength = lora_args[off]
interval_min = lora_args[off + 1]
interval_max = lora_args[off + 2]
layer_filter = lora_args[off + 3]
stable_audio_3_model.set_lora_strength(strength, lora_index=i)
lora_configs.append({
"lora_index": i,
"interval": (interval_min, interval_max),
"layer_filter": layer_filter,
})
input_sample_size = sample_size
def progress_callback(callback_info):
global preview_images
denoised = callback_info["denoised"]
current_step = callback_info["i"]
t = callback_info["t"]
sigma = callback_info["sigma"]
# Extract scalar from tensor if needed (samplers pass tensors to avoid GPU sync)
if isinstance(t, torch.Tensor):
t = t[0].item() if t.dim() > 0 else t.item()
if isinstance(sigma, torch.Tensor):
sigma = sigma[0].item() if sigma.dim() > 0 else sigma.item()
log_snr = math.log(((1 - sigma) / sigma) + 1e-6)
if (current_step - 1) % preview_every == 0:
if stable_audio_3_model.model.pretransform is not None:
denoised = stable_audio_3_model.model.pretransform.decode(denoised)
denoised = rearrange(denoised, "b d n -> d (b n)")
denoised = denoised.clamp(-1, 1).mul(32767).to(torch.int16).cpu()
audio_spectrogram = audio_spectrogram_image(denoised, sample_rate=sample_rate)
preview_images.append((audio_spectrogram, f"Step {current_step} sigma={sigma:.3f} logSNR={log_snr:.3f}"))
if init_audio_type == "RF-Inversion":
inversion_params = {
"inversion_steps": inversion_steps,
"inversion_gamma": inversion_gamma,
"inversion_unconditional": inversion_unconditional,
"inversion_cfg_scale": 1.0,
"inversion_sigma_max": 1.0
}
else:
inversion_params = None
mask_maskstart, mask_maskend = parse_inpaint_regions(
mask_maskstart, mask_maskend
)
if inpaint_audio is not None and mask_maskstart is None:
raise gr.Error("Add at least one inpaint start/end region.")
generate_args = {
"prompt": prompt,
"negative_prompt": negative_prompt,
"duration": seconds_total,
"steps": steps,
"cfg_scale": cfg_scale,
"cfg_interval": (cfg_interval_min, cfg_interval_max),
"lora_configs": lora_configs,
"batch_size": int(batch_size),
"sample_size": input_sample_size,
"seed": seed,
"sampler_type": sampler_type,
"sigma_max": sigma_max,
"init_audio": init_audio,
"init_noise_level": init_noise_level,
"callback": progress_callback if preview_every is not None else None,
"scale_phi": cfg_rescale,
"cfg_norm_threshold": cfg_norm_threshold,
"apg_scale": apg_scale,
"duration_padding_sec": duration_padding_sec,
"dist_shift": dist_shift,
}
# If inpainting, send mask args
# This will definitely change in the future
if inpaint_audio is not None:
generate_args.update({
"inpaint_audio": inpaint_audio,
"inpaint_mask_start_seconds": mask_maskstart,
"inpaint_mask_end_seconds": mask_maskend,
})
audio = stable_audio_3_model.generate(**generate_args)
# Filenaming convention
prompt_condensed = condense_prompt(prompt)
if file_naming=="verbose":
basename = prompt_condensed
if negative_prompt:
basename += ".neg-%s" % condense_prompt(negative_prompt)
basename += ".cfg%s" % (cfg_scale)
if sigma_max not in [1.0, 100.0]:
# this is a common parameter to tweak, if it's not a default value, put it in the verbose filename
basename += ".smx%s" % sigma_max
basename += ".%s" % seed
elif file_naming=="prompt":
basename = prompt_condensed
else:
# simple e.g. "output.wav"
basename = "output"
if file_format:
filename_extension = file_format.split(" ")[0].lower()
else:
filename_extension = "wav"
output_filename = "%s.%s" % (basename, filename_extension)
output_wav = "%s.wav" % basename
# Cut the extra silence off the end, if the user requested a smaller seconds_total
if cut_to_seconds_total:
audio = audio[:,:,:seconds_total*sample_rate]
# Encode the audio to WAV format
audio = rearrange(audio, "b d n -> d (b n)")
audio = audio.to(torch.float32).clamp(-1, 1).mul(32767).to(torch.int16).cpu()
# save as wav file
torchaudio.save(output_wav, audio, sample_rate)
# If file_format is other than wav, convert to other file format
cmd = ""
if file_format == "m4a aac_he_v2 32k":
# note: need to compile ffmpeg with --enable-libfdk_aac
cmd = f"ffmpeg -i \"{output_wav}\" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 32k -y \"{output_filename}\""
elif file_format == "m4a aac_he_v2 64k":
cmd = f"ffmpeg -i \"{output_wav}\" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 64k -y \"{output_filename}\""
elif file_format == "flac":
cmd = f"ffmpeg -i \"{output_wav}\" -y \"{output_filename}\""
elif file_format == "mp3 320k":
cmd = f"ffmpeg -i \"{output_wav}\" -b:a 320k -y \"{output_filename}\""
elif file_format == "mp3 128k":
cmd = f"ffmpeg -i \"{output_wav}\" -b:a 128k -y \"{output_filename}\""
elif file_format == "mp3 v0":
cmd = f"ffmpeg -i \"{output_wav}\" -q:a 0 -y \"{output_filename}\""
else: # wav
pass
if cmd:
cmd += " -loglevel error" # make output less verbose in the cmd window
subprocess.run(cmd, shell=True, check=True)
# Let's look at a nice spectrogram too
audio_spectrogram = audio_spectrogram_image(audio, sample_rate=sample_rate)
# Asynchronously delete the files after returning the output file, so as to prevent clutter in the directory
delete_files_async([output_wav, output_filename], 30)
return (output_filename, [audio_spectrogram, *preview_images])
# Asynchronously delete the given list of filenames after delay seconds. Sets up thread that sleeps for delay then deletes.
def delete_files_async(filenames, delay):
def delete_files_after_delay(filenames, delay):
time.sleep(delay) # Wait for the specified delay
for filename in filenames:
if os.path.exists(filename):
os.remove(filename) # Delete the file
threading.Thread(target=delete_files_after_delay, args=(filenames, delay)).start()
def create_sampling_ui(stable_audio_3_model, default_prompt=None):
global n_loras
diffusion_objective = stable_audio_3_model.model.diffusion_objective
is_rf = diffusion_objective == "rectified_flow"
is_rf_denoiser = diffusion_objective == "rf_denoiser" # includes ARC models
# Extract default dist_shift params from model's sampling_dist_shift
default_sampling_dist_shift = getattr(stable_audio_3_model.model, 'sampling_dist_shift', None)
default_dist_shift_type = "LogSNR"
default_logsnr_params = {"anchor_length": 2000, "anchor_logsnr": -6.2, "rate": 0.0, "logsnr_end": 2.0}
default_flux_params = {"min_length": 256, "max_length": 4096, "alpha_min": 6.93, "alpha_max": 6.93}
default_full_params = {"base_shift": 0.5, "max_shift": 1.15, "min_length": 256, "max_length": 4096}
if isinstance(default_sampling_dist_shift, LogSNRShift):
default_dist_shift_type = "LogSNR"
default_logsnr_params = {
"anchor_length": getattr(default_sampling_dist_shift, 'anchor_length', 2000),
"anchor_logsnr": getattr(default_sampling_dist_shift, 'anchor_logsnr', -6.2),
"rate": getattr(default_sampling_dist_shift, 'rate', 0.0),
"logsnr_end": getattr(default_sampling_dist_shift, 'logsnr_end', 2.0),
}
elif isinstance(default_sampling_dist_shift, FluxDistributionShift):
default_dist_shift_type = "Flux"
default_flux_params = {
"min_length": default_sampling_dist_shift.min_length,
"max_length": default_sampling_dist_shift.max_length,
"alpha_min": default_sampling_dist_shift.alpha_min,
"alpha_max": default_sampling_dist_shift.alpha_max,
}
elif isinstance(default_sampling_dist_shift, DistributionShift):
default_dist_shift_type = "Full"
default_full_params = {
"base_shift": default_sampling_dist_shift.base_shift,
"max_shift": default_sampling_dist_shift.max_shift,
"min_length": default_sampling_dist_shift.min_length,
"max_length": default_sampling_dist_shift.max_length,
}
elif default_sampling_dist_shift is None:
default_dist_shift_type = "None"
has_seconds_total = True
use_lora = has_lora(stable_audio_3_model.model)
lora_names = getattr(stable_audio_3_model.model, 'lora_names', [])
n_loras = len(lora_names)
if default_prompt is None:
default_prompt = ""
_reprompt_model_id = "Qwen/Qwen3.5-2B"
_reprompt_cached = _reprompt_is_model_cached(_reprompt_model_id)
with gr.Row():
with gr.Column(scale=6):
prompt = gr.Textbox(show_label=False, placeholder="Prompt", value=default_prompt)
negative_prompt = gr.Textbox(show_label=False, placeholder="Negative prompt")
prompt_assistant_button = gr.Button(
"Prompt Assistant" if _reprompt_cached else "Download Prompt Assistant (~4.2 GB)",
scale=1
)
generate_button = gr.Button("Generate", variant='primary', scale=1)
with gr.Row(equal_height=False):
with gr.Column():
with gr.Row(visible = True):
# Timing controls
seconds_total_slider = gr.Slider(minimum=0, maximum=sample_size//sample_rate, step=1, value=sample_size//sample_rate, label="Seconds total", visible=has_seconds_total)
with gr.Row():
# Steps slider
if is_rf:
default_steps = 50
elif is_rf_denoiser:
default_steps = 8
steps_slider = gr.Slider(minimum=1, maximum=500, step=1, value=default_steps, label="Steps")
# CFG scale
default_cfg_scale = 1.0 if is_rf_denoiser else 7.0
cfg_scale_slider = gr.Slider(minimum=0.0, maximum=25.0, step=0.1, value=default_cfg_scale, label="CFG scale")
# Per-LoRA controls (dynamic based on number of loaded LoRAs)
lora_ui_inputs = []
if use_lora and lora_names:
for i, lora_name in enumerate(lora_names):
with gr.Accordion("LoRA {}: {}".format(i + 1, lora_name), open=(i == 0)):
with gr.Row():
strength = gr.Slider(minimum=0.0, maximum=10.0, step=0.1, value=1.0, label="strength")
with gr.Row():
int_min = gr.Slider(minimum=0.0, maximum=1.0, step=0.01, value=0.0, label="Interval min")
int_max = gr.Slider(minimum=0.0, maximum=1.0, step=0.01, value=1.0, label="Interval max")
lyr_filt = gr.Textbox(label="Layer filter", placeholder="")
lora_ui_inputs.extend([strength, int_min, int_max, lyr_filt])
with gr.Accordion("Sampler params", open=False):
with gr.Row():
# Seed
seed_textbox = gr.Number(label="Seed (set to -1 for random seed)", value=-1, precision=0)
cfg_interval_min_slider = gr.Slider(minimum=0.0, maximum=1, step=0.01, value=0.0, label="CFG interval min")
cfg_interval_max_slider = gr.Slider(minimum=0.0, maximum=1, step=0.01, value=1.0, label="CFG interval max")
with gr.Row():
cfg_rescale_slider = gr.Slider(minimum=0.0, maximum=1, step=0.01, value=0.0, label="CFG rescale amount")
cfg_norm_threshold = gr.Slider(minimum=0.0, maximum=100, step=0.1, value=0.0, label="CFG norm threshold")
apg_scale_slider = gr.Slider(minimum=0.0, maximum=1.0, step=0.1, value=1.0, label="APG scale", info="1.0=full APG, 0.0=vanilla CFG")
with gr.Row():
# Sampler params
if is_rf:
sampler_types = ["euler", "rk4", "dpmpp"]
default_sampler_type = "euler"
sigma_max_max = 1.0
sigma_max_default = 1.0
elif is_rf_denoiser:
sampler_types = ["pingpong"]
default_sampler_type = "pingpong"
sigma_max_max = 1.0
sigma_max_default = 1.0
else:
sampler_types = ["dpmpp-2m-sde", "dpmpp-3m-sde", "dpmpp-2m", "k-heun", "k-lms", "k-dpmpp-2s-ancestral", "k-dpm-2", "k-dpm-adaptive", "k-dpm-fast", "v-ddim", "v-ddim-cfgpp"]
default_sampler_type = "dpmpp-3m-sde"
sigma_max_max = 1000.0
sigma_max_default = 100.0
sampler_type_dropdown = gr.Dropdown(sampler_types, label="Sampler type", value=default_sampler_type)
sigma_max_slider = gr.Slider(minimum=0.0, maximum=sigma_max_max, step=0.1, value=sigma_max_default, label="Sigma max", visible=True)
with gr.Row():
duration_padding_slider = gr.Slider(minimum=0.0, maximum=30.0, step=0.5, value=6.0, label="Duration padding (sec)")
def build_dist_shift(shift_type, p1, p2, p3, p4):
"""Build dist_shift from type + 4 params (meaning depends on type)."""
if shift_type == "LogSNR":
return LogSNRShift(anchor_length=int(p1), anchor_logsnr=p2, rate=p3, logsnr_end=p4)
elif shift_type == "Flux":
return FluxDistributionShift(min_length=int(p1), max_length=int(p2), alpha_min=p3, alpha_max=p4)
elif shift_type == "Full":
return DistributionShift(base_shift=p1, max_shift=p2, min_length=int(p3), max_length=int(p4))
return IdentityDistributionShift() # "None" = no shift
dist_shift_state = gr.State(value=default_sampling_dist_shift)
with gr.Row(visible=is_rf or is_rf_denoiser):
dist_shift_type_dropdown = gr.Dropdown(
["LogSNR", "Flux", "Full", "None"],
label="Sampling schedule shift",
value=default_dist_shift_type,
info="Distribution shift applied to sampling timesteps"
)
with gr.Row(visible=(is_rf or is_rf_denoiser) and default_dist_shift_type == "LogSNR") as logsnr_params_row:
logsnr_anchor_length_slider = gr.Slider(minimum=100, maximum=10000, step=100, value=default_logsnr_params["anchor_length"], label="Anchor length")
logsnr_anchor_logsnr_slider = gr.Slider(minimum=-12.0, maximum=0.0, step=0.1, value=default_logsnr_params["anchor_logsnr"], label="Anchor log-SNR")
logsnr_rate_slider = gr.Slider(minimum=-2.0, maximum=2.0, step=0.1, value=default_logsnr_params["rate"], label="Rate")
logsnr_end_slider = gr.Slider(minimum=-2.0, maximum=6.0, step=0.1, value=default_logsnr_params["logsnr_end"], label="log-SNR end")
with gr.Row(visible=(is_rf or is_rf_denoiser) and default_dist_shift_type == "Flux") as flux_params_row:
flux_min_length_slider = gr.Slider(minimum=1, maximum=10000, step=1, value=default_flux_params["min_length"], label="Min seq len")
flux_max_length_slider = gr.Slider(minimum=1, maximum=10000, step=1, value=default_flux_params["max_length"], label="Max seq len")
flux_alpha_min_slider = gr.Slider(minimum=0.1, maximum=20.0, step=0.1, value=default_flux_params["alpha_min"], label="Alpha min")
flux_alpha_max_slider = gr.Slider(minimum=0.1, maximum=20.0, step=0.1, value=default_flux_params["alpha_max"], label="Alpha max")
with gr.Row(visible=(is_rf or is_rf_denoiser) and default_dist_shift_type == "Full") as full_params_row:
full_base_shift_slider = gr.Slider(minimum=0.0, maximum=5.0, step=0.05, value=default_full_params["base_shift"], label="Base shift")
full_max_shift_slider = gr.Slider(minimum=0.0, maximum=5.0, step=0.05, value=default_full_params["max_shift"], label="Max shift")
full_min_length_slider = gr.Slider(minimum=1, maximum=10000, step=1, value=default_full_params["min_length"], label="Min length")
full_max_length_slider = gr.Slider(minimum=1, maximum=10000, step=1, value=default_full_params["max_length"], label="Max length")
# Per-type slider groups for wiring to state
logsnr_sliders = [logsnr_anchor_length_slider, logsnr_anchor_logsnr_slider, logsnr_rate_slider, logsnr_end_slider]
flux_sliders = [flux_min_length_slider, flux_max_length_slider, flux_alpha_min_slider, flux_alpha_max_slider]
full_sliders = [full_base_shift_slider, full_max_shift_slider, full_min_length_slider, full_max_length_slider]
all_dist_shift_inputs = [dist_shift_type_dropdown] + logsnr_sliders + flux_sliders + full_sliders
def update_dist_shift_state(shift_type, *params):
"""Route the 4 relevant params to build_dist_shift based on type."""
type_to_slice = {"LogSNR": params[0:4], "Flux": params[4:8], "Full": params[8:12]}
p = type_to_slice.get(shift_type, (0, 0, 0, 0))
return (
build_dist_shift(shift_type, *p),
gr.update(visible=((is_rf or is_rf_denoiser) and (shift_type == "LogSNR"))),
gr.update(visible=((is_rf or is_rf_denoiser) and (shift_type == "Flux"))),
gr.update(visible=((is_rf or is_rf_denoiser) and (shift_type == "Full"))),
)
for component in all_dist_shift_inputs:
component.change(
update_dist_shift_state,
inputs=all_dist_shift_inputs,
outputs=[dist_shift_state, logsnr_params_row, flux_params_row, full_params_row],
)
with gr.Accordion("Batch", open=False):
batch_size_number = gr.Number(
label="Batch size",
value=1,
minimum=1,
precision=0,
info="Generate multiple variations in one run.",
)
with gr.Accordion("Output params", open=False):
# Output params
with gr.Row():
file_format_dropdown = gr.Dropdown(["wav", "flac", "mp3 320k", "mp3 v0", "mp3 128k", "m4a aac_he_v2 64k", "m4a aac_he_v2 32k"], label="File format", value="wav")
file_naming_dropdown = gr.Dropdown(["verbose", "prompt", "output.wav"], label="File naming", value="verbose") # ,"prompt","verbose"
preview_every_slider = gr.Slider(minimum=0, maximum=100, step=1, value=0, label="Spec Preview Every")
cut_to_seconds_total_checkbox = gr.Checkbox(label="Cut to seconds total", value=True)
autoplay_checkbox = gr.Checkbox(label="Autoplay", value=False, elem_id="autoplay")
infinite_radio_checkbox = gr.Checkbox(label="Infinite Radio", value=False, elem_id="infinite-radio")
automatic_download_checkbox = gr.Checkbox(label="Auto Download", value=False, elem_id="automatic-download")
# Default generation tab
with gr.Accordion("Init audio", open=False):
init_audio_input = gr.Audio(label="Init audio", waveform_options=gr.WaveformOptions(show_recording_waveform=False))
min_noise_level = 0.01
max_noise_level = 1.0
default_noise_level = 0.9 # roughly halfway style transfer values
if is_rf:
choices = ["Init audio","RF-Inversion"]
else:
choices = ["Init audio"]
init_audio_type_radio = gr.Radio(label="Techniques", choices=choices, value=choices[0], visible=len(choices)>1)
with gr.Column(visible=True) as interface_a:
init_noise_level_slider = gr.Slider(minimum=min_noise_level, maximum=max_noise_level, step=0.01, value=default_noise_level, label="Init noise level")
with gr.Column(visible=False) as interface_b:
inversion_steps_slider = gr.Slider(minimum=1, maximum=500, step=1, value=100, label="Inversion Steps")
inversion_gamma_slider = gr.Slider(minimum=0, maximum=1, step=0.1, value=0, label="Gamma", visible=True)
inversion_unconditional_checkbox = gr.Checkbox(label="Unconditional", value=False)
gr.HTML("<div style='opacity: 0.5; padding: 0px'>For reproduction, try empty prompt, cfg 1, gamma .3<br>\
For prompt re-stylization, try cfg 1-7, gamma 0-.15, unconditional</div>")
def init_audio_type_switch(choice):
return (
gr.update(visible=(choice == "Init audio")),
gr.update(visible=(choice == "RF-Inversion"))
)
init_audio_type_radio.change(init_audio_type_switch, inputs=init_audio_type_radio, outputs=[interface_a, interface_b])
with gr.Accordion("Inpainting", open=False):
inpaint_audio_input = gr.Audio(label="Inpaint audio", waveform_options=gr.WaveformOptions(show_recording_waveform=False))
mask_maskstart_slider = gr.Textbox(label="Mask starts (sec)", placeholder="4 or 4, 16", info="Comma-separate values to inpaint multiple regions.")
mask_maskend_slider = gr.Textbox(label="Mask ends (sec)", placeholder="8 or 8, 20")
inputs = [
prompt,
negative_prompt,
seconds_total_slider,
cfg_scale_slider,
steps_slider,
preview_every_slider,
seed_textbox,
sampler_type_dropdown,
sigma_max_slider,
cfg_interval_min_slider,
cfg_interval_max_slider,
cfg_rescale_slider,
cfg_norm_threshold,
apg_scale_slider,
file_format_dropdown,
file_naming_dropdown,
cut_to_seconds_total_checkbox,
init_audio_input,
init_noise_level_slider,
mask_maskstart_slider,
mask_maskend_slider,
inpaint_audio_input,
init_audio_type_radio,
inversion_steps_slider,
inversion_gamma_slider,
inversion_unconditional_checkbox,
duration_padding_slider,
batch_size_number,
dist_shift_state,
] + lora_ui_inputs
with gr.Column():
audio_output = gr.Audio(label="Output audio", interactive=False,
waveform_options=gr.WaveformOptions(show_recording_waveform=False))
audio_spectrogram_output = gr.Gallery(label="Output spectrogram", show_label=False)
send_to_init_button = gr.Button("Send to init audio", scale=1)
send_to_init_button.click(fn=lambda audio: audio, inputs=[audio_output], outputs=[init_audio_input])
send_to_inpaint_button = gr.Button("Send to inpaint audio", scale=1)
send_to_inpaint_button.click(fn=lambda audio: audio, inputs=[audio_output], outputs=[inpaint_audio_input])
generate_button.click(fn=generate_cond,
inputs=inputs,
outputs=[
audio_output,
audio_spectrogram_output
],
api_name="generate")
def _prompt_assistant_or_download(text, progress=gr.Progress(track_tqdm=True)):
if not _reprompt_is_model_cached(_reprompt_model_id):
_reprompt_get_model(_reprompt_model_id)
return text, gr.update(), gr.update(value="Prompt Assistant")
_, result, _ = _reprompt_fn(text, "Auto", "", _reprompt_model_id, 128, 1.11)
m = _LENGTH_EXTRACT_RE.search(result)
if m:
max_seconds = sample_size // sample_rate
seconds = min(int(m.group(1)), max_seconds)
result = result[:m.start()]
else:
seconds = gr.update()
return result, seconds, gr.update()
prompt_assistant_button.click(
fn=_prompt_assistant_or_download,
inputs=[prompt],
outputs=[prompt, seconds_total_slider, prompt_assistant_button],
concurrency_limit=1,
)
def create_diffusion_cond_ui(model, gradio_title="", default_prompt=None):
global sample_size, sample_rate, stable_audio_3_model
sample_size = model.model_config["sample_size"]
sample_rate = model.model_config["sample_rate"]
stable_audio_3_model = model
js ="""function run_javascript_on_page_load(){
const generateBtn = Array.from(document.querySelectorAll('button'))
.find(btn => btn.innerText.trim() === 'Generate');
function getAudioOutputPlayer () {
return [...document.querySelectorAll('label')].find(label => label.textContent.trim() === 'Output audio')?.parentElement.querySelector('audio');
}
const infiniteRadio = document.querySelector('#infinite-radio input[type="checkbox"]');
const autoplay = document.querySelector('#autoplay input[type="checkbox"]');
const automaticDownload = document.querySelector('#automatic-download input[type="checkbox"]');
let radioAutoStart = false;
let listenersSetup = false;
const setupListeners = () => {
const audioEl = getAudioOutputPlayer();
if (!audioEl) return;
audioEl.addEventListener('loadedmetadata', () => {
if(automaticDownload.checked){
downloadAudio(audioEl);
}
if(autoplay.checked || radioAutoStart){
audioEl.play();
radioAutoStart = false;
}
if(infiniteRadio.checked){
audioEl.addEventListener('timeupdate', function checkAudioEnd() {
// Can set window.headstart (seconds) in the dev console if you want to start generating before the song is over
let headstart = 1;
if(window.headstart) headstart = window.headstart;
if (audioEl.duration - audioEl.currentTime <= headstart) {
generateBtn.click();
radioAutoStart = true;
audioEl.removeEventListener('timeupdate', checkAudioEnd);
}
});
}
});
listenersSetup = true;
};
generateBtn.addEventListener('click', () => {
if(listenersSetup) return;
const interval = setInterval(() => {
console.log("...")
const audioEl = document.querySelector('audio');
if (audioEl?.src && audioEl.src !== window.location.href) {
setupListeners();
clearInterval(interval);
}
}, 100);
});
// Respond to >> button on MacBookPro and on steering wheel during CarPlay
if ('mediaSession' in navigator) {
navigator.mediaSession.setActionHandler('nexttrack', () => generateBtn.click());
navigator.mediaSession.setActionHandler('play', () => getAudioOutputPlayer()?.play());
navigator.mediaSession.setActionHandler('pause', () => getAudioOutputPlayer()?.pause());
}
// Automatic Download
function downloadAudio(audioEl) {
const audioSrc = audioEl.src;
const link = document.createElement('a');
link.href = audioSrc;
link.download = audioSrc.substring(audioSrc.lastIndexOf('/') + 1);
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
}
}
"""
with gr.Blocks() as ui:
ui._sao_js = js
ui._sao_theme = gr.themes.Base()
if gradio_title:
gr.Markdown("### %s" % gradio_title)
with gr.Tab("Generation"):
create_sampling_ui(model, default_prompt=default_prompt)
# JavaScript to autoplay audio immediately after generation (if autoplay enabled)
return ui