[LLM] First commit the llm deployment code

fastdeploy/input/mm_processor/utils/render_timestamp.py

@@ -0,0 +1,96 @@
+"""
+# Copyright (c) 2025 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""
+
+import os
+from pathlib import Path
+
+from PIL import Image, ImageDraw, ImageFont
+
+cur_directory = Path(__file__).parent.absolute()
+FONT_PATH = os.path.join(cur_directory, "Roboto-Regular.ttf")
+
+
+def render_single_image_with_timestamp(image: Image, number: str, rate: float, font_path: str = FONT_PATH):
+    """
+    函数功能: 给pil.image的图片渲染时间戳
+    时间戳的大小为 min(width, height)的rate
+    字体的颜色为黑色, 轮廓是白色, 轮廓的大小是字体的10%
+    返回一个 Image 对象
+    """
+    draw = ImageDraw.Draw(image)  # 创建一个可绘制对象
+    width, height = image.size  # 获取图片大小
+    font_size = int(min(width, height) * rate)  # 设置字体大小
+    outline_size = int(font_size * 0.1)  # 设置轮廓大小
+    font = ImageFont.truetype(font_path, font_size)  # 加载字体文件, 设置字体大小
+    x = 0
+    y = 0  # 文本的x坐标, y坐标
+
+    # 绘制黑色的时间戳，白色的边框
+    draw.text((x, y), number, font=font, fill=(0, 0, 0), stroke_width=outline_size, stroke_fill=(255, 255, 255))
+
+    return image
+
+
+def timestamp_converting(time_stamp_in_seconds):
+    """
+    convert timestamp format from seconds to hr:min:sec
+    """
+    # get hours
+    hours = 0
+    while time_stamp_in_seconds >= 3600:
+        hours += 1
+        time_stamp_in_seconds -= 3600
+    # get minutes
+    mins = 0
+    while time_stamp_in_seconds >= 60:
+        mins += 1
+        time_stamp_in_seconds -= 60
+    time_hours = f"{int(hours):02d}"
+    time_mins = f"{int(mins):02d}"
+    time_secs = f"{time_stamp_in_seconds:05.02f}"
+    fi_time_stamp = time_hours + ":" + time_mins + ":" + time_secs
+
+    return fi_time_stamp
+
+
+def get_timestamp_for_uniform_frame_extraction(num_frames, frame_id, duration):
+    """
+    function: get the timestamp of a frame, 在均匀抽帧时用。
+
+    num_frames: 总帧数
+    frameid_list: 被抽帧的帧的索引
+    duration: 视频的总时长
+    return: timestamp; xx:xx:xx (str)
+    """
+    time_stamp = duration * 1.0 * frame_id / num_frames
+
+    return time_stamp
+
+
+def render_frame_timestamp(frame, timestamp, font_rate=0.1):
+    """
+    函数功能, 给frame, 按照顺序将 index 渲染上去
+    逻辑思路: 把index渲染到图片的左上方
+
+    frame: 帧，PIL.Image object
+    timestamp: 时间戳，单位是秒
+    font_rate: 字体大小占 min(wi, hei)的比率
+    """
+
+    time_stamp = "time: " + timestamp_converting(timestamp)
+    new_frame = render_single_image_with_timestamp(frame, time_stamp, font_rate)
+
+    return new_frame