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水印

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在视频中添加可见的明水印(例如,企业Logo、电视台台标),可以突出品牌和版权,增加产品识别度。媒体处理支持图片水印动画水印文字水印三种水印类型,您可以按需选择。本文介绍Python SDK使用水印相关功能API的代码示例。

完整代码

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://help.aliyun.com/document_detail/43248.html
client = AcsClient(region_id = 'cn-shanghai', credential = credentials)

mps_region_id = 'cn-shanghai'
pipeline_id = '9bad1a2e3c2c4df9c6****'
# 水印模板ID,可在控制台创建,仅适用图片水印
watermark_template_id = '9bad1a2e3c2c4df9c6****'
template_id = 'S00000001-200030'
oss_location = 'oss-cn-shanghai'
oss_bucket = '<your bucket name>'
oss_input_object = 'input.mp4'
oss_output_object = 'output.mp4'
image_watermark_object = 'logo.png'
video_watermark_object = 'logo.mov'

request = SubmitJobsRequest()
request.set_accept_format('json')
# Input参数结构
job_input = {'Location': oss_location,
             'Bucket': oss_bucket,
             'Object': quote(oss_input_object) }
request.set_Input(json.dumps(job_input))
# Output参数结构
output = {'OutputObject': quote(oss_output_object)}
output['TemplateId'] = template_id
## Image Watermark 图片水印配置
image_watermark_input = {'Location': oss_location,
                         'Bucket': oss_bucket,
                         'Object': quote(image_watermark_object) }
image_watermark = {
                  'WaterMarkTemplateId': watermark_template_id,
                  'Type': 'Image',
                  'InputFile': image_watermark_input,
                  'ReferPos': 'TopRight',
                  'Width': 0.05,
                  'Dx': 0,
                  'Dy': 0
                 }
## Text Watermark  文字水印配置
text_config = {
               # 需传入Base64后的Content值
               'Content': '5rWL6K+V5paH5a2X5rC05Y2w',
               'FontName': 'SimSun',
               'FontSize': 16,
               'FontColor': 'Red',
               'FontAlpha': 0.5,
               'Top': 10,
               'Left': 10
              }
text_watermark = {
                  'WaterMarkTemplateId': watermark_template_id,
                  'Type': 'Text',
                  'TextWaterMark': text_config
                 }
## Video Watermark 动图水印配置
video_watermark_input = {'Location': oss_location,
                         'Bucket': oss_bucket,
                         'Object': quote(video_watermark_object) }
video_watermark = {
                  'WaterMarkTemplateId': watermark_template_id,
                  'Type': 'Image',
                  'InputFile': video_watermark_input,
                  'ReferPos': 'BottomLeft',
                  'Height': 240,
                  'Dx': 0,
                  'Dy': 0
                 }
# Output->Watermarks
watermarks = [image_watermark, text_watermark, video_watermark]
output['WaterMarks'] = watermarks
# Outputs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 = client.do_action_with_exception(request)
# 输出打印
print(str(response, encoding='utf-8'))

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