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216 lines
6.3 KiB
Python
216 lines
6.3 KiB
Python
5 years ago
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#!/usr/bin/python2.7
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# coding=utf-8
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import os
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import json
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import subprocess
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class Stream(object):
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def __init__(self):
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self.cmd = ""
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self.out_file = ""
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self.vcode_type = ""
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self.input_file = ""
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self.word_list_str = ""
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self.subbtitle_file = ""
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self.cmd = []
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self.img_file = []
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self.word_list = []
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self.img_dynamic_list = []
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self.image_list = {}
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self.dynamic_list = {}
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# 输入文件
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def input(self, file):
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self.input_file = file
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# 添加图片
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def img(self, img, x="0", y="0", str_time="0", end_time="0"):
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if img == "":
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return False
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input_info = self.video_info()
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if end_time == "0":
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end_time = float(input_info["format"]["duration"]) + 10.0
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img_data = {
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"img": img,
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"x": str(x),
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"y": str(y),
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"str_time": str(str_time),
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"end_time": str(end_time)
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}
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self.img_file.append(img_data)
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img_input = []
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img_overlay = []
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for val in self.img_file:
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img_input.append(" -i %s" % val["img"])
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img_overlay.append(" overlay=x=%s:y=%s:enable='if(gt(t,%s),lt(t,%s))" % (
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val["x"],
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val["y"],
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val["str_time"],
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val["end_time"]
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)
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)
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img_input_str = " ".join(img_input)
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img_overlay_str = ",".join(img_overlay)
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self.image_list = {
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"input": img_input_str,
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"overlay": img_overlay_str
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}
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# 添加动态图片 gif apng 等
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def img_dynamic(self, file, x="0", y="0", str_time="0", end_time="0"):
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input_info = self.video_info()
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if file == "":
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return False
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if end_time == "":
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end_time = float(input_info["format"]["duration"]) + 10.0
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apng = {
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"input": " -ignore_loop 0 -i %s" % file,
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"x": str(x),
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"y": str(y),
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"str_time": str(str_time),
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"end_time": str(end_time)
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}
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self.img_dynamic_list.append(apng)
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img_dy_input = []
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img_dy_overlay = []
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for val in self.img_dynamic_list:
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img_dy_input.append(val["input"])
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img_dy_overlay.append(" overlay=x=%s:y=%s:shortest=1:enable='if(gt(t,%s), lt(t,%s))'" % (
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val["x"],
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val["y"],
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val["str_time"],
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val["end_time"]
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)
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)
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img_dy_input_str = " ".join(img_dy_input)
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img_dy_overlay_str = ",".join(img_dy_overlay)
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self.dynamic_list = {
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"input": img_dy_input_str,
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"overlay": img_dy_overlay_str
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}
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# 添加文字水印
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def word_water_mark(self, c, x="0", y="0", str_time="0", end_time="0", font="", color="white"):
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if font == "":
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return False
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input_info = self.video_info()
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if c == "":
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return False
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if end_time == "0":
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end_time = float(input_info["format"]["duration"]) + 10.0
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text = " drawtext=text='%s':x=%s:y=%s:enable='if(gt(t,%s),lt(t,%s))':fontfile=%s:" \
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"fontcolor=%s" % (c, str(x), str(y), str(str_time), str(end_time), str(font), str(color))
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self.word_list.append(text)
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self.word_list_str = ",".join(self.word_list)
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# 添加字幕文件 subtitles=txt.srt
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def subbtitle(self, file):
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self.subbtitle_file = " subtitles=%s" % file
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# 编码方式 -vcodec
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def vcode(self, code):
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if code == "":
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return False
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self.vcode_type = " -vcodec %s" % code
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# 输出文件
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def out(self, file):
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if file == "":
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return False
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self.out_file = "%s" % file
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# 执行脚本
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def run(self):
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if self.input_file == "":
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return False
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im = "ffmpeg -i %s" % self.input_file
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ov = ""
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if len(self.dynamic_list) > 0 and self.dynamic_list["input"] != "":
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im = "%s %s" % (im, self.dynamic_list["input"])
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if ov != "":
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ov = "%s,%s" % (ov, self.dynamic_list["overlay"])
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else:
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ov = self.dynamic_list["overlay"]
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if len(self.image_list) > 0:
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im = "%s %s" % (im, self.image_list["input"])
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if ov != "":
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ov = "%s,%s" % (ov, self.dynamic_list["overlay"])
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else:
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ov = self.dynamic_list["overlay"]
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# 文字水印
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if self.word_list_str != "":
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if ov != "":
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ov = "%s,%s" % (ov, self.word_list_str)
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else:
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ov = self.word_list_str
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# 字幕
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if self.subbtitle_file != "":
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if ov != "":
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ov = "%s,%s" % (ov, self.subbtitle_file)
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else:
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ov = self.subbtitle_file
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if self.vcode_type != "":
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self.cmd = "%s -filter_complex \"%s\" -y %s %s" % (im, ov, self.vcode_type, self.out_file)
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else:
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self.cmd = "%s -filter_complex \"%s\" -y %s" % (im, ov, self.out_file)
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self.do()
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# 获取视频的相关时长信息
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def video_info(self):
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result = {}
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if os.path.isfile(self.input_file) is False:
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return result
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cmd = ['ffprobe', '-v', 'quiet', '-print_format', 'json', '-show_format', '-show_streams', self.input_file]
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returned_data = subprocess.check_output(cmd)
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return json.loads(returned_data.decode('utf-8'))
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# 执行命令
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def do(self):
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if self.cmd == "":
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return False
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res = subprocess.call(self.cmd, shell=True)
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if res != 0:
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return False
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return True
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if __name__ == '__main__':
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stream = Stream()
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stream.input("face.mp4")
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stream.img("t1.png")
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stream.img("t2.png", "10", y=10, str_time=5, end_time=10)
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stream.img_dynamic("t1.apng", x=10, y=10, str_time=5, end_time=10)
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stream.img_dynamic("t2.apng", x=10, y=10, str_time=5, end_time=9)
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stream.word_water_mark("测试文字水印1", x="10", y="10", str_time="0", end_time="20", font="ttf.ttf", color="white")
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stream.word_water_mark("测试文字水印2", x="10", y="10", str_time="0", end_time="20", font="ttf.ttf", color="white")
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stream.subbtitle("srt.srt")
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stream.out("out.mp4")
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stream.run()
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