Пример #1
0
def main(exp, frame_sizes, generate_from, **params):
    params = dict(default_params,
                  exp=exp,
                  frame_sizes=frame_sizes,
                  generate_from=generate_from,
                  **params)
    model = SampleRNN(
        frame_sizes=params['frame_sizes'],
        n_rnn=params['n_rnn'],
        dim=params['dim'],
        learn_h0=params['learn_h0'],
        q_levels=params['q_levels'],
        nb_classes=params['nb_classes'],
        weight_norm=params['weight_norm'],
    )
    #    model = SampleRNN([16, 4], 2, 1024, True, 256, True)
    print('Loading saved model' + params['generate_from'])
    checkpoint = torch.load(params['generate_from'])
    temporary_dict = {}
    for k, v in checkpoint.items():
        temporary_dict[k[6:]] = v
    checkpoint = temporary_dict
    model.load_state_dict(checkpoint)
    if not os.path.exists(params['generate_to']):
        os.mkdir(params['generate_to'])
    print(params['cond'])
    generator = GeneratorPlugin(params['generate_to'], params['n_samples'],
                                params['sample_length'], params['sample_rate'],
                                params['nb_classes'], params['cond'])
    generator.register_generate(model.cuda(), params['cuda'])
    generator.epoch(exp)
Пример #2
0
def main(checkpoint, **args):
    task_id = setup_logging(
        'gen', logging.NOTSET if args.get('debug', False) else logging.INFO)

    params = dict(
        {
            'n_rnn': 3,
            'dim': 1024,
            'learn_h0': False,
            'q_levels': 256,
            'weight_norm': True,
            'frame_sizes': [16, 16, 4],
            'sample_rate': 16000,
            'n_samples': 1,
            'sample_length': 16000 * 60 * 4,
            'sampling_temperature': 1,
            'q_method': QMethod.LINEAR,
        },
        exp=checkpoint,
        **args)
    logging.info(str(params))
    logging.info('booting')

    # dataset = storage_client.list_blobs(bucket, prefix=path)
    # for blob in dataset:
    #   blob.download_to_filename(blob.name)
    bucket = None

    if args['bucket']:
        logging.debug('setup google storage bucket {}'.format(args['bucket']))
        storage_client = storage.Client()
        bucket = Bucket(storage_client, args['bucket'])

        preload_checkpoint(checkpoint, storage_client, bucket)

    results_path = os.path.abspath(
        os.path.join(checkpoint, os.pardir, os.pardir, task_id))
    ensure_dir_exists(results_path)

    checkpoint = os.path.abspath(checkpoint)

    tmp_pretrained_state = torch.load(
        checkpoint,
        map_location=lambda storage, loc: storage.cuda(0)
        if args['cuda'] else storage)

    # Load all tensors onto GPU 1
    # torch.load('tensors.pt', map_location=lambda storage, loc: storage.cuda(1))

    pretrained_state = OrderedDict()

    for k, v in tmp_pretrained_state.items():
        # Delete "model." from key names since loading the checkpoint automatically attaches it
        layer_name = k.replace("model.", "")
        pretrained_state[layer_name] = v
        # print("k: {}, layer_name: {}, v: {}".format(k, layer_name, np.shape(v)))

    # Create model with same parameters as used in training
    model = SampleRNN(frame_sizes=params['frame_sizes'],
                      n_rnn=params['n_rnn'],
                      dim=params['dim'],
                      learn_h0=params['learn_h0'],
                      q_levels=params['q_levels'],
                      weight_norm=params['weight_norm'])
    if params['cuda']:
        model = model.cuda()

    # Load pretrained model
    model.load_state_dict(pretrained_state)

    def upload(file_path):
        if bucket is None:
            return

        # remove prefix /app
        name = file_path.replace(os.path.abspath(os.curdir) + '/', '')
        blob = Blob(name, bucket)
        logging.info('uploading {}'.format(name))
        blob.upload_from_filename(file_path)

    (_, dequantize) = quantizer(params['q_method'])
    gen = Gen(Runner(model), params['cuda'])
    gen.register_plugin(
        GeneratorPlugin(results_path, params['n_samples'],
                        params['sample_length'], params['sample_rate'],
                        params['q_levels'], dequantize,
                        params['sampling_temperature'], upload))

    gen.run()
Пример #3
0
    q_levels=params['q_levels'],
    weight_norm=params['weight_norm']
)
#model = model.cuda()

# Delete "model." from key names since loading the checkpoint automatically attaches it to the key names
pretrained_state = torch.load(PRETRAINED_PATH)
new_pretrained_state = OrderedDict()

for k, v in pretrained_state.items():
    layer_name = k.replace("model.", "")
    new_pretrained_state[layer_name] = v
    # print("k: {}, layer_name: {}, v: {}".format(k, layer_name, np.shape(v)))

# Load pretrained model
model.load_state_dict(new_pretrained_state)

# Generate Plugin
num_samples = 1  # params['n_samples']
sample_length = params['sample_length']
sample_rate = params['sample_rate']
sampling_temperature = params['sampling_temperature']

# Override from our options
sample_length = sample_rate * int(options.length)

print("Number samples: {}, sample_length: {}, sample_rate: {}".format(num_samples, sample_length, sample_rate))
print("Generating %d seconds of audio" % (sample_length / sample_rate))
generator = GeneratorPlugin(GENERATED_PATH, num_samples, sample_length, sample_rate, sampling_temperature)

# Call new register function to accept the trained model and the cuda setting