一、下载安装ffmpeg
地址：http://www.ffmpeg.org/download.html
二、需求：按照原视频尺寸裁剪出多尺寸、多规格和不同渠道视频资源，具体不多说，直接上源码，注意中文转码的细节
# -*- coding: utf-8 -*-
import os
import subprocess
import datetime
import platform
import sys
reload(sys)
sys.setdefaultencoding('gb18030')
#遍历原视频文件
def cut_O_V(root_path):
vedio_dir= '%s/vedio_file' % root_path
dirs= os.listdir(vedio_dir)
for iin dirs:
if os.path.splitext(i)[1]== ".mp4":
bname= str(os.path.splitext(i)[0].encode('utf-8'))#.replace('\\','%').replace(' ','_')
# returnget = subprocess.call(getmp3,shell = True)
print(bname)
create_dir(root_path, bname)
#获取视频配置参数
def get_txt_info(txt_path):
uipath= unicode(txt_path, "utf8")
file= open(uipath, "r")
info_list= []
for linein file:
info= line.strip().decode('gbk').encode('utf-8')
if info!= "":
info_list.append(info)
return info_list
#创建文件夹
def system_mkdir(dir, rec=False):
def mkdir(dir):
if platform.system()== "Windows":
os.system("md \"%s\"" % (dir.replace("/", "\\"),))
else:
os.system("mkdir -p \"%s\"" % (dir,))
if not rec:
mkdir(dir)
else:
dir= dir.replace("\\", "/")
pdir= ""
for dirin dir.split("/"):
if pdir== "":
pdir= dir
else:
pdir+= "/" + dir
if not os.path.exists(pdir):
mkdir(pdir)
#移除文件夹
def system_rmdir(dir):
if dir.\
find("*")== -1 and \
not os.path.exists(dir):
return
if platform.system()== "Windows":
os.system("rd /s /q \"%s\"" % (dir.replace("/", "\\"),))
else:
os.system("rm -rf \"%s\"" % (dir,))
#获取当前脚本路径
def get_root_path():
current_dir= os.path.abspath(os.path.dirname(__file__))
root_path= current_dir.replace("\\", "/")
print(root_path)
cut_O_V(root_path.encode('utf8'))
#创建视频生成文件夹
def create_dir(root_path, old_void_name):
normal_file_path= root_path + '/new_vedio_file/'+ unicode(old_void_name, "utf8")+ '/normal-channel'
if os.path.exists(normal_file_path):
system_rmdir(normal_file_path)
system_mkdir(normal_file_path)
wechat_file_path= root_path + '/new_vedio_file/'+ unicode(old_void_name, "utf8")+ '/wechat-channel'
if os.path.exists(wechat_file_path):
system_rmdir(wechat_file_path)
system_mkdir(wechat_file_path)
transform_vedio_action(root_path, old_void_name)
#视频尺寸转换逻辑
def transform_vedio_action(root_pass,old_void_name):
ffmpeg_path= root_pass + '/ffmpeg-win64-static/bin/ffmpeg.exe'
video_file= root_pass + '/vedio_file/%s.mp4' %old_void_name
video_file= video_file.decode("utf-8").encode("gbk")
txt_path= root_pass + '/vedio_file/%s.txt' % old_void_name
nowTime= datetime.datetime.now().strftime('%Y-%m-%d')
txt_info= []
if os.path.exists(unicode(txt_path, "utf8")):
txt_info= get_txt_info(txt_path)
title= txt_info[0]#txt_info[0]
print(title)
time_length= txt_info[1]
print(time_length)
start_time= txt_info[2]
print(start_time)
end_time= txt_info[3]
print(end_time)
name= txt_info[4]
print(name)
if ffmpeg_path:
print("XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX")
print("####-------- normal-channel---------###")
print("XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX")
# 1280x720
print("start_normal-channel_1280x720")
video_name_1= nowTime+ "-" + title+ "-" + time_length+ '-1280x720-' + name
get_video_file1= root_pass +'/new_vedio_file/'+ old_void_name + '/normal-channel/%s' % video_name_1
get_video_file1= get_video_file1.decode("utf-8").encode("gbk")
print(get_video_file1)
if end_time[-4:-2]!= '00' or end_time[-7:-5]!= '00':
cmd_run1= '%s -i %s -ss %s -t %s -r 25 -b 194k -b:v 500k -ac 2 -profile:v main -ar 48k -s 1280x720 %s.mp4' % (ffmpeg_path, video_file, start_time, end_time, get_video_file1)
else:
cmd_run1= '%s -i %s -r 25 -b 194k -b:v 500k -ac 2 -profile:v main -ar 48k -s 1280x720 %s.mp4' % (ffmpeg_path, video_file, get_video_file1)
print(cmd_run1)
os.popen3(cmd_run1)
print("end_normal-channel_1280x720")
# 640x360
print("start_normal-channel_640x360")
video_name_2= nowTime+ "-" + title+ "-" + time_length+ '-640x360-' + name
get_video_file2= root_pass +'/new_vedio_file/'+ old_void_name + '/normal-channel/%s' % video_name_2
get_video_file2= get_video_file2.decode("utf-8").encode("gbk")
print(get_video_file2)
if end_time[-4:-2]!= '00' or end_time[-7:-5]!= '00':
cmd_run2= '%s -i %s -ss %s -t %s -r 25 -b 194k -b:v 500k -ac 2 -profile:v main -ar 48k -s 640x360 %s.mp4' % (ffmpeg_path, video_file, start_time, end_time, get_video_file2)
else:
cmd_run2= '%s -i %s -r 25 -b 194k -b:v 500k -ac 2 -profile:v main -ar 48k -s 640x360 %s.mp4' % (ffmpeg_path, video_file, get_video_file2)
print(cmd_run2)
os.popen3(cmd_run2)
print("end_normal-channel_640x360")
print("XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX")
print("####---------wechat-channel---------###")
print("XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX")
# 640x360
print("start_wechat-channel_640x360")
video_name_3= nowTime+ "-" + title+ "-" + time_length+ '-640x360-' + name
get_video_file3= root_pass +'/new_vedio_file/'+ old_void_name + '/wechat-channel/%s' % video_name_3
get_video_file3= get_video_file3.decode("utf-8").encode("gbk")
print(get_video_file3)
if end_time[-4:-2]!= '00' or end_time[-7:-5]!= '00':
cmd_run3= '%s -i %s -ss %s -t %s -r 24 -b:a 90k -b:v 500k -ac 2 -profile:v main -ar 44.1k -s 640x360 %s.mp4' % (ffmpeg_path, video_file, start_time, end_time, get_video_file3)
else:
cmd_run3= '%s -i %s -r 24 -b:a 90k -b:v 500k -ac 2 -profile:v main -ar 44.1k -s 640x360 %s.mp4' % (ffmpeg_path, video_file, get_video_file3)
print(cmd_run3)
os.popen3(cmd_run3)
print("end_wechat-channel_640x360")
# 960x540
print("start_wechat-channel_960x540")
video_name_4= nowTime+ "-" + title+ "-" + time_length+ '-960x540-' + name
get_video_file4= root_pass +'/new_vedio_file/'+ old_void_name + '/wechat-channel/%s' % video_name_4
get_video_file4= get_video_file4.decode("utf-8").encode("gbk")
print(get_video_file4)
if end_time[-4:-2]!= '00' or end_time[-7:-5]!= '00':
cmd_run4= '%s -i %s -ss %s -t %s -r 24 -b:a 90k -b:v 500k -ac 2 -profile:v main -ar 44.1k -s 960x540 %s.mp4' % (ffmpeg_path, video_file, start_time, end_time, get_video_file4)
else:
cmd_run4= '%s -i %s -r 24 -b:a 90k -b:v 500k -ac 2 -profile:v main -ar 44.1k -s 960x540 %s.mp4' % (ffmpeg_path, video_file, get_video_file4)
print(cmd_run4)
os.popen3(cmd_run4)
print("end_wechat-channel_960x540")
# 640x480
print("start_wechat-channel_640x480")
video_name_5= nowTime+ "-" + title+ "-" + time_length+ '-640x480-' + name
get_video_file5= root_pass +'/new_vedio_file/'+ old_void_name + '/wechat-channel/%s' % video_name_5
get_video_file5= get_video_file5.decode("utf-8").encode("gbk")
print(get_video_file5)
if end_time[-4:-2]!= '00' or end_time[-7:-5]!= '00':
cmd_run5= '%s -i %s -ss %s -t %s -r 24 -b:a 90k -b:v 500k -ac 2 -profile:v main -ar 44.1k -s 640x480 %s.mp4' % (ffmpeg_path, video_file, start_time, end_time, get_video_file5)
else:
cmd_run5= '%s -i %s -r 24 -b:a 90k -b:v 500k -ac 2 -profile:v main -ar 44.1k -s 640x480 %s.mp4' % (ffmpeg_path, video_file, get_video_file5)
print(cmd_run5)
os.popen3(cmd_run5)
print("end_wechat-channel_640x480")
if __name__== "__main__":
get_root_path()
使用说明
1.将资源视频放到vedio_file文件夹中（提示：可以放多个视频原文件，支持批量视频处理）
2.配置参数可根据实际需求填写和视频文件同名放在同一级目录(提示：第一个参数为生成视频的命名标题，第二个：生成视频
的命名时长，第三个、第四个分别为视频截取的开始时间和结束时间 不截取视频则全部填00:00:00.0”，第五个：生成视频命
名的姓名)
3.点击run.bat,会自动生成需求尺寸视频到new_vedio_file中对应文件夹下（提示：1.run.bat执行完毕自动关闭则全部文件生
成完成 2.每一个原视频会在new_vedio_file中生成一个对应名字的文件夹，文件夹中有normal-channel和wechat-channel两个
文件夹，分别表示普通渠道和微信渠道）
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