Files
mcDandy-more_math/more_math/AudioMathNode.py
T

156 lines
6.7 KiB
Python

from .helper_functions import (
generate_dim_variables,
parse_expr,
getIndexTensorAlongDim,
as_tensor,
normalize_to_common_shape,
make_zero_like,
get_v_variable,
get_f_variable,
checkLazyNew
)
from .Parser.UnifiedMathVisitor import UnifiedMathVisitor
from comfy_api.latest import io
import torch
from .Stack import MrmthStack
import copy
from .ParseTree import MrmthParseTree
class AudioMathNode(io.ComfyNode):
"""
Enables math expressions on Audio.
Inputs:
I: Autogrow image inputs (I0, I1, ...)
F: Autogrow float inputs (F0, F1, ...)
Image: Expression
"""
@classmethod
def define_schema(cls) -> io.Schema:
return io.Schema(
node_id="mrmth_ag_AudioMathNode",
category="More math",
display_name="Audio math",
inputs=[
io.Autogrow.Input(id="V",template=io.Autogrow.TemplatePrefix(io.Audio.Input("values", optional=True), prefix="V", min=1, max=50)),
io.Autogrow.Input(id="F", template=io.Autogrow.TemplatePrefix(io.Float.Input("float", default=0.0, optional=True, lazy=True, force_input=True), prefix="F", min=1, max=50)),
io.MultiType.Input(
io.String.Input("Expression", default="", multiline=False),
types=[io.String,MrmthParseTree],
tooltip="3D model file or path string",
),
io.Combo.Input(
id="length_mismatch",
options=["do nothing","error","tile", "pad"],
display_name="on size mismatch",
default="error",
tooltip="How to handle mismatched image batch sizes. tile: repeat shorter inputs; error: raise error on mismatch; pad: treat missing frames as zero."
),
io.Int.Input(id="batching", default=0),
io.Bool.Input(
id="remember_stack",
default=False,
display_name="Remember stack across batch",
tooltip=(
"If enabled, stack is copied at output leading to changes being remembered during batch operations (node runs multiple times in sucession). If disabled each batch gets it's own copy of the stack."
),
),
MrmthStack.Input(id="stack", tooltip="Access stack between nodes",optional=True)
],
outputs=[
io.Audio.Output(is_output_list=True),
MrmthStack.Output(),
],
)
@classmethod
def check_lazy_status(cls, Expression, V, F, length_mismatch="tile",batching=0,, remember_stack=False,stack={}):
return checkLazyNew(Expression,V,F)
@classmethod
def execute(cls, V, F, Expression, length_mismatch="tile",batching=0,, remember_stack=False, stack={}):
# Identify all present audio inputs and their keys
tensor_keys = [k for k, v in V.items() if v is not None and isinstance(v, dict) and "waveform" in v]
if not tensor_keys:
raise ValueError("At least one audio input is required.")
stack = stack if remember_stack else (copy.deepcopy(stack) if stack is not None else {})
waveforms = {k: V[k]["waveform"] for k in tensor_keys}
sample_rates = {k + "sr": V[k].get("sample_rate", 44100) for k in tensor_keys}
# Normalize all waveforms together
normalized_waveforms = normalize_to_common_shape(*waveforms.values(), mode=length_mismatch)
V_norm_waveforms = dict(zip(tensor_keys, normalized_waveforms))
ref_waveform = normalized_waveforms[0]
common_shape = ref_waveform.shape
sample_rate = V[tensor_keys[0]].get("sample_rate", 44100)
if(length_mismatch == "error"):
for name in tensor_keys:
if waveforms[name].shape != common_shape:
raise ValueError(f"Input '{name}' has shape ({waveforms[name].shape[0]}, {waveforms[name].shape[2]}), expected ({common_shape[0]}, {common_shape[2]}) to match input.")
# Setup legacy variables a, b, c, d
a_w = V_norm_waveforms.get("V0", make_zero_like(ref_waveform))
b_w = V_norm_waveforms.get("V1", make_zero_like(a_w))
c_w = V_norm_waveforms.get("V2", make_zero_like(a_w))
d_w = V_norm_waveforms.get("V3", make_zero_like(a_w))
# Ensure legacy are normalized
a_w, b_w, c_w, d_w = normalize_to_common_shape(a_w, b_w, c_w, d_w, mode=length_mismatch)
variables = {
"a": a_w, "b": b_w, "c": c_w, "d": d_w,
"w": F.get("F0", 0.0) if F.get("F0") is not None else 0.0,
"x": F.get("F1", 0.0) if F.get("F1") is not None else 0.0,
"y": F.get("F2", 0.0) if F.get("F2") is not None else 0.0,
"z": F.get("F3", 0.0) if F.get("F3") is not None else 0.0,
"B": getIndexTensorAlongDim(a_w, 0),
"C": getIndexTensorAlongDim(a_w, 1),
"channel": getIndexTensorAlongDim(a_w, 1),
"S": getIndexTensorAlongDim(a_w, 2),
"sample": getIndexTensorAlongDim(a_w, 2),
"R": sample_rate,
"sample_rate": sample_rate,
"batch": getIndexTensorAlongDim(a_w, 0),
"T": float(a_w.shape[0]),
"batch_count": float(a_w.shape[0]),
} | generate_dim_variables(a_w) | V_norm_waveforms | sample_rates
v_stacked, v_cnt = get_v_variable(V_norm_waveforms, length_mismatch=length_mismatch)
if v_stacked is not None:
variables["V"] = v_stacked
variables["Vcnt"] = float(v_cnt)
variables["V_count"] = float(v_cnt)
f_stacked, f_cnt = get_f_variable(F)
if f_stacked is not None:
variables["F"] = f_stacked
variables["Fcnt"] = float(f_cnt)
variables["F_count"] = float(f_cnt)
for k, val in F.items():
variables[k] = val if val is not None else 0.0
tree = None
if isinstance(Expression,str):
tree = parse_expr(Expression)
else:
tree = Expression
visitor = UnifiedMathVisitor(variables, a_w.shape,a_w.device,state_storage=stack)
result = visitor.visit(tree)
result = as_tensor(result, a_w.shape)
if batching and batching > 0:
res = torch.split(result, batching, dim=0)
res_list = []
for result_chunk in res:
res_list.append({"waveform": result_chunk, "sample_rate": sample_rate})
return (res_list, stack)
else:
stack = stack if remember_stack else copy.deepcopy(stack)
return ([{"waveform": result, "sample_rate": sample_rate}], stack)