拼接是把多个不同格式 、不同编码、分辨率的视频拼接在一起，输出成一个格式、编码、分辨率相同的新视频。常用于添加固定的片头和片尾、直播录制视频拼接。剪辑是指裁剪视频的某一段，输出成一个新视频。常用于截取视频中精彩或关键的内容。本文提供了Python SDK拼接和剪辑相关功能的API调用示例。
示例代码
import os
import json
from urllib.parse import quote
from aliyunsdkcore.client import AcsClient
from aliyunsdkcore.acs_exception.exceptions import ClientException
from aliyunsdkcore.acs_exception.exceptions import ServerException
from aliyunsdkcore.auth.credentials import AccessKeyCredential
from aliyunsdkmts.request.v20140618.SubmitJobsRequest import SubmitJobsRequest
# 读取环境变量中设置的ACCESS_KEY ACCESS_KEY_SECRET信息
credentials = AccessKeyCredential(os.environ['ALIBABA_CLOUD_ACCESS_KEY_ID'], os.environ['ALIBABA_CLOUD_ACCESS_KEY_SECRET'])
# region_id 为调用的服务地域ID，支持的地域参考 https://www.alibabacloud.com/help/zh/apsaravideo-for-media-processing/latest/service-regions
client = AcsClient(region_id = 'cn-shanghai', credential = credentials)
mps_region_id = 'cn-shanghai'
pipeline_id = '9ba1a2b3c561c22c4df9c6****'
template_id = 'S00000001-200030'
oss_location = 'oss-cn-shanghai'
oss_bucket = '<your bucket name>'
oss_input_object = 'input.mp4'
oss_output_object = 'output.mp4'
head_object = 'head.mp4'
tail_object = 'tail.mp4'
request = SubmitJobsRequest()
request.set_accept_format('json')
# Input参数结构
job_input = {'Location': oss_location,
'Bucket': oss_bucket,
'Object': quote(head_object) }
request.set_Input(json.dumps(job_input))
# Output参数结构
output = {'OutputObject': quote(oss_output_object)}
output['TemplateId'] = template_id
output['Video'] = {'Width': 1280,
'Height': 720}
# Output->MergeList 拼接参数
# object需要进行url编码
merge_video = {'MergeURL': 'http://%s.%s.aliyuncs.com/%s'%(oss_bucket, oss_location, quote(oss_input_object))}
merge_tail = {'MergeURL': 'http://%s.%s.aliyuncs.com/%s'%(oss_bucket, oss_location, quote(tail_object))}
output['MergeList'] = [merge_video, merge_tail]
# Outputs输出参数结构
outputs = [output]
request.set_Outputs(json.dumps(outputs))
request.set_OutputBucket(oss_bucket)
request.set_OutputLocation(oss_location)
request.set_PipelineId(pipeline_id)
response_str = client.do_action_with_exception(request)
response = json.loads(response_str)
# 输出打印
print(str(response, encoding='utf-8'))