| import os |
| import gradio as gr |
| import torch |
| import torchaudio |
| from peft import ( |
| LoraConfig, |
| get_peft_model, |
| get_peft_model_state_dict, |
| prepare_model_for_int8_training, |
| set_peft_model_state_dict, |
| ) |
| from transformers import GenerationConfig, LlamaForCausalLM, LlamaTokenizer, LlamaConfig |
| from utils.prompter import Prompter |
| import datetime |
| import time,json |
|
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| device = "cuda" if torch.cuda.is_available() else "cpu" |
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| base_model = "/fs/nexus-projects/brain_project/Llama-2-7b-chat-hf-qformer/" |
|
|
| prompter = Prompter('alpaca_short') |
| tokenizer = LlamaTokenizer.from_pretrained(base_model) |
|
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| model = LlamaForCausalLM.from_pretrained(base_model, device_map="auto", torch_dtype=torch.float32) |
|
|
| config = LoraConfig( |
| r=8, |
| lora_alpha=16, |
| target_modules=["q_proj", "v_proj"], |
| lora_dropout=0.0, |
| bias="none", |
| task_type="CAUSAL_LM", |
| ) |
|
|
| model = get_peft_model(model, config) |
| temp, top_p, top_k = 0.1, 0.95, 500 |
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| eval_mdl_path = '/fs/gamma-projects/audio/gama/new_data/stage5_all_mix_all/checkpoint-900/pytorch_model.bin' |
|
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| state_dict = torch.load(eval_mdl_path, map_location='cpu') |
| msg = model.load_state_dict(state_dict, strict=False) |
|
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| model.is_parallelizable = True |
| model.model_parallel = True |
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| |
| model.config.pad_token_id = tokenizer.pad_token_id = 0 |
| model.config.bos_token_id = 1 |
| model.config.eos_token_id = 2 |
|
|
| model.eval() |
| eval_log = [] |
| cur_time = datetime.datetime.now().strftime("%Y-%m-%d-%H-%M-%S") |
| log_save_path = './inference_log/' |
| if os.path.exists(log_save_path) == False: |
| os.mkdir(log_save_path) |
| log_save_path = log_save_path + cur_time + '.json' |
|
|
| SAMPLE_RATE = 16000 |
| AUDIO_LEN = 1.0 |
|
|
| def load_audio(filename): |
| waveform, sr = torchaudio.load(filename) |
| audio_info = 'Original input audio length {:.2f} seconds, number of channels: {:d}, sampling rate: {:d}.'.format(waveform.shape[1]/sr, waveform.shape[0], sr) |
| waveform = waveform - waveform.mean() |
| fbank = torchaudio.compliance.kaldi.fbank(waveform, htk_compat=True, sample_frequency=sr, |
| use_energy=False, window_type='hanning', |
| num_mel_bins=128, dither=0.0, frame_shift=10) |
| target_length = 1024 |
| n_frames = fbank.shape[0] |
| p = target_length - n_frames |
| if p > 0: |
| m = torch.nn.ZeroPad2d((0, 0, 0, p)) |
| fbank = m(fbank) |
| elif p < 0: |
| fbank = fbank[0:target_length, :] |
| |
| fbank = (fbank + 5.081) / 4.4849 |
| return fbank, audio_info |
|
|
| def predict(audio_path, question): |
| print('audio path, ', audio_path) |
| begin_time = time.time() |
|
|
| instruction = question |
| prompt = prompter.generate_prompt(instruction, None) |
| print('Input prompt: ', prompt) |
| inputs = tokenizer(prompt, return_tensors="pt") |
| input_ids = inputs["input_ids"].to(device) |
|
|
| if audio_path != 'empty': |
| cur_audio_input, audio_info = load_audio(audio_path) |
| cur_audio_input = cur_audio_input.unsqueeze(0) |
| if torch.cuda.is_available() == False: |
| pass |
| else: |
| |
| cur_audio_input = cur_audio_input.to(device) |
| else: |
| cur_audio_input = None |
| audio_info = 'Audio is not provided, answer pure language question.' |
|
|
| generation_config = GenerationConfig( |
| do_sample=True, |
| temperature=0.1, |
| top_p=0.95, |
| max_new_tokens=400, |
| bos_token_id=model.config.bos_token_id, |
| eos_token_id=model.config.eos_token_id, |
| pad_token_id=model.config.pad_token_id, |
| num_return_sequences=1 |
| ) |
|
|
| |
| with torch.no_grad(): |
| generation_output = model.generate( |
| input_ids=input_ids.to(device), |
| audio_input=cur_audio_input, |
| generation_config=generation_config, |
| return_dict_in_generate=True, |
| output_scores=True, |
| max_new_tokens=400, |
| ) |
| s = generation_output.sequences[0] |
| output = tokenizer.decode(s)[len(prompt)+6:-4] |
| end_time = time.time() |
| print(output) |
| cur_res = {'audio_id': audio_path, 'input': instruction, 'output': output} |
| eval_log.append(cur_res) |
| with open(log_save_path, 'w') as outfile: |
| json.dump(eval_log, outfile, indent=1) |
| print('eclipse time: ', end_time - begin_time, ' seconds.') |
| return audio_info, output |
|
|
| link = "https://github.com/Sreyan88/GAMA" |
| text = "[Github]" |
| paper_link = "https://sreyan88.github.io/gamaaudio/" |
| paper_text = "[Paper]" |
| demo = gr.Interface(fn=predict, |
| inputs=[gr.Audio(type="filepath"), gr.Textbox(value='Describe the audio in detail', label='Edit the textbox to ask your own questions!')], |
| outputs=[gr.Textbox(label="Audio Meta Information"), gr.Textbox(label="GAMA Output")], |
| cache_examples=True, |
| title="Quick Demo of GAMA-IT", |
| description="GAMA-IT is an instruction-tuned version of GAMA, a novel Large Audio-Language Model that is capable of complex reasoning. The model can understand any given audio (non-speech) and answer any open-ended question about it, including ones that require complex reasoning." + f"<a href='{paper_link}'>{paper_text}</a> " + f"<a href='{link}'>{text}</a> <br>" + |
| "GAMA-IT is authored by members of the GAMMA Lab at the University of Maryland, College Park and Adobe, USA. <br>" + |
| "**GAMA-IT is not an ASR model and has limited ability to recognize the speech content. It primarily focuses on perception and understanding of non-speech sounds.**<br>" + |
| "Input an audio and ask quesions! Audio will be converted to 16kHz and padded or trim to 10 seconds.") |
| demo.launch(debug=True, share=True) |
