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import matplotlib.pyplot as plt |
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import gradio as gr |
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from load import LoadModel |
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from generate import GenerateMidiText |
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from constants import INSTRUMENT_CLASSES, INSTRUMENT_TRANSFER_CLASSES |
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from decoder import TextDecoder |
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from utils import get_miditok, index_has_substring |
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from playback import get_music |
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from matplotlib import pylab |
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import sys |
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import matplotlib |
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from generation_utils import plot_piano_roll |
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import numpy as np |
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matplotlib.use("Agg") |
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sys.modules["pylab"] = pylab |
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model_repo = "JammyMachina/elec-gmusic-familized-model-13-12__17-35-53" |
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revision = "ddf00f90d6d27e4cc0cb99c04a22a8f0a16c933e" |
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n_bar_generated = 8 |
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model, tokenizer = LoadModel( |
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model_repo, from_huggingface=True, revision=revision |
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).load_model_and_tokenizer() |
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miditok = get_miditok() |
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decoder = TextDecoder(miditok) |
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def define_prompt(state, genesis): |
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if len(state) == 0: |
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input_prompt = "PIECE_START " |
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else: |
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input_prompt = genesis.get_whole_piece_from_bar_dict() |
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return input_prompt |
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def generator( |
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label, |
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regenerate, |
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temp, |
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density, |
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instrument, |
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state, |
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piece_by_track, |
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add_bars=False, |
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add_bar_count=1, |
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): |
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genesis = GenerateMidiText(model, tokenizer, piece_by_track) |
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track = {"label": label} |
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inst = next( |
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( |
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inst |
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for inst in INSTRUMENT_TRANSFER_CLASSES |
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if inst["transfer_to"] == instrument |
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), |
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{"family_number": "DRUMS"}, |
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)["family_number"] |
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inst_index = -1 |
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if state != []: |
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for index, instrum in enumerate(state): |
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if instrum["label"] == track["label"]: |
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inst_index = index |
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if not add_bars: |
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if regenerate: |
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state.pop(inst_index) |
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genesis.delete_one_track(inst_index) |
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generated_text = ( |
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genesis.get_whole_piece_from_bar_dict() |
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) |
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inst_index = -1 |
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input_prompt = define_prompt(state, genesis) |
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generated_text = genesis.generate_one_new_track( |
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inst, density, temp, input_prompt=input_prompt |
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) |
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regenerate = True |
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else: |
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genesis.generate_n_more_bars(add_bar_count) |
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generated_text = genesis.get_whole_piece_from_bar_dict() |
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decoder.get_midi(generated_text, "mixed.mid") |
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mixed_inst_midi, mixed_audio = get_music("mixed.mid") |
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inst_text = genesis.get_selected_track_as_text(inst_index) |
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inst_midi_name = f"{instrument}.mid" |
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decoder.get_midi(inst_text, inst_midi_name) |
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_, inst_audio = get_music(inst_midi_name) |
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piano_roll = plot_piano_roll(mixed_inst_midi) |
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track["text"] = inst_text |
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state.append(track) |
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return ( |
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inst_text, |
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(44100, inst_audio), |
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piano_roll, |
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state, |
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(44100, mixed_audio), |
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regenerate, |
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genesis.piece_by_track, |
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) |
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def instrument_row(default_inst, row_id): |
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with gr.Row(): |
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row = gr.Variable(row_id) |
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with gr.Column(scale=1, min_width=50): |
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inst = gr.Dropdown( |
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[inst["transfer_to"] for inst in INSTRUMENT_TRANSFER_CLASSES] |
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+ ["Drums"], |
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value=default_inst, |
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label="Instrument", |
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) |
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temp = gr.Dropdown( |
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[0.25, 0.5, 0.6, 0.7, 0.8], value=0.7, label="Creativity" |
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) |
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density = gr.Dropdown([0, 1, 2, 3], value=3, label="Density") |
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with gr.Column(scale=3): |
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output_txt = gr.Textbox(label="output", lines=10, max_lines=10) |
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with gr.Column(scale=1, min_width=100): |
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inst_audio = gr.Audio(label="Audio") |
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regenerate = gr.Checkbox(value=False, label="Regenerate", visible=False) |
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gen_btn = gr.Button("Generate") |
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gen_btn.click( |
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fn=generator, |
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inputs=[row, regenerate, temp, density, inst, state, piece_by_track], |
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outputs=[ |
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output_txt, |
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inst_audio, |
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piano_roll, |
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state, |
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mixed_audio, |
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regenerate, |
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piece_by_track, |
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], |
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) |
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with gr.Blocks() as demo: |
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piece_by_track = gr.State([]) |
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state = gr.State([]) |
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mixed_audio = gr.Audio(label="Mixed Audio") |
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piano_roll = gr.Plot(label="Piano Roll") |
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instrument_row("Drums", 0) |
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instrument_row("Synth Bass 1", 1) |
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instrument_row("Synth Lead Square", 2) |
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demo.launch(debug=True) |
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""" |
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TODO: reset button |
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TODO: add a button to save the generated midi |
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TODO: add improvise button |
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TODO: set values for temperature as it is done for density |
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TODO: Add bar should be now set for the whole piece - regenerrate should regenerate the added bars only on all instruments |
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TODO: row height to fix |
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TODO: reset state of tick boxes after used maybe (regenerate, add bars) ; |
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TODO: block regenerate if add bar on |
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""" |
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