""" Usage: python3 srt_example_llava.py """ import sglang as sgl import os import csv import time import argparse @sgl.function def video_qa(s, num_frames, video_path, question): s += sgl.user(sgl.video(video_path,num_frames) + question) s += sgl.assistant(sgl.gen("answer")) def single(path, num_frames=16): state = video_qa.run( num_frames=num_frames, video_path=path, question="Please provide a detailed description of the video, focusing on the main subjects, their actions, the background scenes", temperature=0.0, max_new_tokens=1024, ) print(state["answer"], "\n") def split_into_chunks(lst, num_chunks): """Split a list into a specified number of chunks.""" # Calculate the chunk size using integer division. Note that this may drop some items if not evenly divisible. chunk_size = len(lst) // num_chunks if chunk_size == 0: chunk_size = len(lst) # Use list comprehension to generate chunks. The last chunk will take any remainder if the list size isn't evenly divisible. chunks = [lst[i:i + chunk_size] for i in range(0, len(lst), chunk_size)] # Ensure we have exactly num_chunks chunks, even if some are empty chunks.extend([[] for _ in range(num_chunks - len(chunks))]) return chunks def save_batch_results(batch_video_files, states, cur_chunk, batch_idx, save_dir): csv_filename = f"{save_dir}/chunk_{cur_chunk}_batch_{batch_idx}.csv" with open(csv_filename, 'w', newline='') as csvfile: writer = csv.writer(csvfile) writer.writerow(['video_name', 'answer']) for video_path, state in zip(batch_video_files, states): video_name = os.path.basename(video_path) writer.writerow([video_name, state["answer"]]) def compile_and_cleanup_final_results(cur_chunk, num_batches, save_dir): final_csv_filename = f"{save_dir}/final_results_chunk_{cur_chunk}.csv" with open(final_csv_filename, 'w', newline='') as final_csvfile: writer = csv.writer(final_csvfile) writer.writerow(['video_name', 'answer']) for batch_idx in range(num_batches): batch_csv_filename = f"{save_dir}/chunk_{cur_chunk}_batch_{batch_idx}.csv" with open(batch_csv_filename, 'r') as batch_csvfile: reader = csv.reader(batch_csvfile) next(reader) # Skip header row for row in reader: writer.writerow(row) os.remove(batch_csv_filename) def find_video_files(video_dir): # Check if the video_dir is actually a file if os.path.isfile(video_dir): # If it's a file, return it as a single-element list return [video_dir] # Original logic to find video files in a directory video_files = [] for root, dirs, files in os.walk(video_dir): for file in files: if file.endswith(('.mp4', '.avi', '.mov')): video_files.append(os.path.join(root, file)) return video_files def batch(video_dir, save_dir, cur_chunk, num_chunks, num_frames=16, batch_size=64): video_files = find_video_files(video_dir) chunked_video_files = split_into_chunks(video_files, num_chunks)[cur_chunk] num_batches = 0 for i in range(0, len(chunked_video_files), batch_size): batch_video_files = chunked_video_files[i:i + batch_size] print(f"Processing batch of {len(batch_video_files)} video(s)...") if not batch_video_files: print("No video files found in the specified directory.") return batch_input = [ { "num_frames": num_frames, "video_path": video_path, "question": "Please provide a detailed description of the video, focusing on the main subjects, their actions, the background scenes.", } for video_path in batch_video_files ] start_time = time.time() states = video_qa.run_batch(batch_input, max_new_tokens=512, temperature=0.2) total_time = time.time() - start_time average_time = total_time / len(batch_video_files) print(f"Number of videos in batch: {len(batch_video_files)}. Average processing time per video: {average_time:.2f} seconds. Total time for this batch: {total_time:.2f} seconds") save_batch_results(batch_video_files, states, cur_chunk, num_batches, save_dir) num_batches += 1 compile_and_cleanup_final_results(cur_chunk, num_batches, save_dir) if __name__ == "__main__": # Create the parser parser = argparse.ArgumentParser(description='Run video processing with specified port.') # Add an argument for the port parser.add_argument('--port', type=int, default=30000, help='The master port for distributed serving.') parser.add_argument('--chunk-idx', type=int, default=0, help='The index of the chunk to process.') parser.add_argument('--num-chunks', type=int, default=8, help='The number of chunks to process.') parser.add_argument('--save-dir', type=str, default="./work_dirs/llava_video", help='The directory to save the processed video files.') parser.add_argument('--video-dir', type=str, default="./videos/Q98Z4OTh8RwmDonc.mp4", help='The directory or path for the processed video files.') parser.add_argument('--model-path', type=str, default="lmms-lab/LLaVA-NeXT-Video-7B", help='The model path for the video processing.') parser.add_argument('--num-frames', type=int, default=16, help='The number of frames to process in each video.' ) parser.add_argument("--mm_spatial_pool_stride", type=int, default=2) # Parse the arguments args = parser.parse_args() cur_port = args.port cur_chunk = args.chunk_idx num_chunks = args.num_chunks num_frames = args.num_frames if "34b" in args.model_path.lower(): tokenizer_path = "liuhaotian/llava-v1.6-34b-tokenizer" elif "7b" in args.model_path.lower(): tokenizer_path = "llava-hf/llava-1.5-7b-hf" else: print("Invalid model path. Please specify a valid model path.") exit() model_overide_args = {} model_overide_args["mm_spatial_pool_stride"] = args.mm_spatial_pool_stride model_overide_args["architectures"] = ["LlavaVidForCausalLM"] model_overide_args["num_frames"] = args.num_frames model_overide_args["model_type"] = "llava" if "34b" in args.model_path.lower(): model_overide_args["image_token_index"] = 64002 if args.num_frames == 32: model_overide_args["rope_scaling"] = {"factor": 2.0, "type": "linear"} model_overide_args["max_sequence_length"] = 4096 * 2 model_overide_args["tokenizer_model_max_length"] = 4096 * 2 elif args.num_frames < 32: pass else: print("The maximum number of frames to process is 32. Please specify a valid number of frames.") exit() runtime = sgl.Runtime( model_path=args.model_path, #"liuhaotian/llava-v1.6-vicuna-7b", tokenizer_path=tokenizer_path, port=cur_port, additional_ports=[cur_port+1,cur_port+2,cur_port+3,cur_port+4], model_overide_args=model_overide_args, tp_size=1 ) sgl.set_default_backend(runtime) print(f"chat template: {runtime.endpoint.chat_template.name}") # Run a single request # try: print("\n========== single ==========\n") root = args.video_dir if os.path.isfile(root): video_files = [root] else: video_files = [os.path.join(root, f) for f in os.listdir(root) if f.endswith(('.mp4', '.avi', '.mov'))] # Add more extensions if needed start_time = time.time() # Start time for processing a single video for cur_video in video_files[:1]: print(cur_video) single(cur_video, num_frames) end_time = time.time() # End time for processing a single video total_time = end_time - start_time average_time = total_time / len(video_files) # Calculate the average processing time print(f"Average processing time per video: {average_time:.2f} seconds") runtime.shutdown() # except Exception as e: # print(e) runtime.shutdown() # # # Run a batch of requests # print("\n========== batch ==========\n") # if not os.path.exists(args.save_dir): # os.makedirs(args.save_dir) # batch(args.video_dir,args.save_dir,cur_chunk, num_chunks, num_frames, num_chunks) # runtime.shutdown()