【fix bug】

解决同一张图片同时调用接口只生成一个视频的问题
jinan_uat_by_main
longbao 3 months ago
parent be00ed4a58
commit 3715e52303

@ -15,15 +15,18 @@ md5_to_uid: Dict[str, str] = {} # 将md5映射到uid
ALLOWED_IMAGE_EXTENSIONS = {'png', 'jpg', 'jpeg', 'gif'} # 允许的图片扩展名
# 保存上传的文件
def save_upload_file(upload_file: UploadFile, filename: str):
with open(filename, "wb") as buffer:
buffer.write(upload_file.file.read())
# 检查文件是否是允许的类型
def is_allowed_file(filename: str):
return '.' in filename and filename.rsplit('.', 1)[1].lower() in ALLOWED_IMAGE_EXTENSIONS
# 生成视频处理命令
def generate_video_command(result_dir: str, img_path: str, audio_path: str, video_path: str):
return [
@ -34,23 +37,29 @@ def generate_video_command(result_dir: str, img_path: str, audio_path: str, vide
"--ref_eyeblink", video_path,
]
# 获取最新的子目录
def get_latest_sub_dir(result_dir: str):
sub_dirs = [os.path.join(result_dir, d) for d in os.listdir(result_dir) if os.path.isdir(os.path.join(result_dir, d))]
sub_dirs = [os.path.join(result_dir, d) for d in os.listdir(result_dir) if
os.path.isdir(os.path.join(result_dir, d))]
return max(sub_dirs, key=os.path.getmtime, default=None)
# 获取视频时长
def get_video_duration(video_path: str):
result = subprocess.run(
["ffprobe", "-v", "error", "-show_entries", "format=duration", "-of", "default=noprint_wrappers=1:nokey=1", video_path],
["ffprobe", "-v", "error", "-show_entries", "format=duration", "-of", "default=noprint_wrappers=1:nokey=1",
video_path],
capture_output=True, text=True
)
return float(result.stdout.strip())
# 运行FFmpeg命令
def run_ffmpeg_command(command: list):
subprocess.run(command, check=True)
# 将文件保存到最终目的地
def save_to_final_destination(source_path: str, destination_dir: str):
os.makedirs(destination_dir, exist_ok=True)
@ -58,6 +67,7 @@ def save_to_final_destination(source_path: str, destination_dir: str):
os.rename(source_path, destination_path)
return destination_path
# 计算文件的MD5
def get_file_md5(file_path: str):
hash_md5 = md5()
@ -66,11 +76,13 @@ def get_file_md5(file_path: str):
hash_md5.update(chunk)
return hash_md5.hexdigest()
# 记录视频映射关系
def record_video_mapping(image_md5: str, video_path: str, record_file: str):
with open(record_file, "a") as f:
f.write(f"{image_md5} {video_path}\n")
# 检查是否存在已处理的视频
def check_existing_video(image_md5: str, record_file: str):
if not os.path.exists(record_file):
@ -82,6 +94,7 @@ def check_existing_video(image_md5: str, record_file: str):
return video_path
return None
# 处理视频生成
def process_video(uid: str, image_md5: str, img_path: str, audio_type: str):
record_file = f"{audio_type}_video_record.txt"
@ -108,7 +121,8 @@ def process_video(uid: str, image_md5: str, img_path: str, audio_type: str):
run_ffmpeg_command(["ffmpeg", "-i", result_video_path, "-an", "-vcodec", "copy", processed_video_path])
else:
video_duration = get_video_duration(result_video_path)
run_ffmpeg_command(["ffmpeg", "-i", result_video_path, "-t", str(video_duration - 2), "-c", "copy", processed_video_path])
run_ffmpeg_command(
["ffmpeg", "-i", result_video_path, "-t", str(video_duration - 2), "-c", "copy", processed_video_path])
final_destination = save_to_final_destination(processed_video_path, f"results/{audio_type}-video")
record_video_mapping(image_md5, final_destination, record_file)
@ -117,60 +131,81 @@ def process_video(uid: str, image_md5: str, img_path: str, audio_type: str):
else:
tasks[uid]['status'] = 'failed'
# 将视频编码为base64
def encode_video_to_base64(video_path: str):
with open(video_path, "rb") as video_file:
return base64.b64encode(video_file.read()).decode('utf-8')
# 处理视频请求
async def handle_video_request(background_tasks: BackgroundTasks, image: UploadFile, audio_type: str):
if not is_allowed_file(image.filename):
return JSONResponse(status_code=400, content={"code": 500, "message": "Invalid file type. Only images (png, jpg, jpeg, gif) are allowed.", "uid": "", "video": ""})
return JSONResponse(status_code=400, content={"code": 500,
"message": "Invalid file type. Only images (png, jpg, jpeg, gif) are allowed.",
"uid": "", "video": ""})
img_path = os.path.join(audio_type, image.filename)
save_upload_file(image, img_path)
# 对同一个图片内容会生成同一个md5所以会导致同时调用静、动两个接口时只会生成一个的问题
image_md5 = get_file_md5(img_path)
# 所以对同一个图片内容生成的md5加类型做区分
image_md5 = audio_type + image_md5
record_file = f"{audio_type}_video_record.txt"
existing_video = check_existing_video(image_md5, record_file)
if existing_video:
video_base64 = encode_video_to_base64(existing_video)
return JSONResponse(content={"code": 500, "message": "Video retrieved successfully.", "uid": "", "video": video_base64})
return JSONResponse(
content={"code": 500, "message": "Video retrieved successfully.", "uid": "", "video": video_base64})
if image_md5 in md5_to_uid:
uid = md5_to_uid[image_md5]
return JSONResponse(content={"code": 200, "message": "Video is being generated, please check back later.", "uid": uid, "video": ""})
return JSONResponse(
content={"code": 200, "message": "Video is being generated, please check back later.", "uid": uid,
"video": ""})
uid = str(uuid.uuid4())
tasks[uid] = {'status': 'processing'}
md5_to_uid[image_md5] = uid
background_tasks.add_task(process_video, uid, image_md5, img_path, audio_type)
return JSONResponse(content={"code": 200, "message": "Video is being generated, please check back later.", "uid": uid, "video": ""})
return JSONResponse(
content={"code": 200, "message": "Video is being generated, please check back later.", "uid": uid, "video": ""})
# 动态视频生成端点
@app.post("/dynamic-video")
async def generate_dynamic_video(background_tasks: BackgroundTasks, image: UploadFile = File(...)):
return await handle_video_request(background_tasks, image, "dynamic")
# 静态视频生成端点
@app.post("/silent-video")
async def generate_silent_video(background_tasks: BackgroundTasks, image: UploadFile = File(...)):
return await handle_video_request(background_tasks, image, "silent")
# 获取任务状态端点
@app.get("/status/{uid}")
async def get_status(uid: str):
task = tasks.get(uid)
if not task:
return JSONResponse(status_code=404, content={"code": 500, "status": "not found", "message": "Task not found", "video": ""})
return JSONResponse(status_code=404,
content={"code": 500, "status": "not found", "message": "Task not found", "video": ""})
if task['status'] == 'completed':
video_base64 = encode_video_to_base64(task['video_path'])
return JSONResponse(content={"code": 200, "status": task['status'], "message": "Video generation completed.", "video": video_base64})
return JSONResponse(content={"code": 200, "status": task['status'], "message": "Video generation completed.",
"video": video_base64})
elif task['status'] == 'failed':
return JSONResponse(status_code=500, content={"code": 500, "status": task['status'], "message": "Video generation failed", "video": ""})
return JSONResponse(status_code=500,
content={"code": 500, "status": task['status'], "message": "Video generation failed",
"video": ""})
else:
return JSONResponse(content={"code": 200, "status": task['status'], "message": "Video is being generated.", "video": ""})
return JSONResponse(
content={"code": 200, "status": task['status'], "message": "Video is being generated.", "video": ""})
if __name__ == "__main__":
import uvicorn
uvicorn.run(app, host="0.0.0.0", port=8000)

Loading…
Cancel
Save