本篇文档提供了Go SDK视频水印模块相关功能的API调用示例。包含添加水印、修改水印、删除水印、查询水印、设置默认水印等。
初始化客户端
使用前请先初始化客户端,请参见初始化。
添加水印
调用AddWatermark接口,完成添加水印功能。
接口参数和返回字段请参见AddWatermark。调用示例如下:
说明
获取文件上传地址和凭证详细参数请参见CreateUploadAttachedMedia。
水印文件OSS上传详细参数请参见OSS文件上传。
package main
import (
"192.168.0.0/16/aliyun/alibaba-cloud-sdk-go/sdk"
"192.168.0.0/16/aliyun/alibaba-cloud-sdk-go/services/vod"
"192.168.0.0/16/aliyun/alibaba-cloud-sdk-go/sdk/auth/credentials"
"encoding/json"
"fmt"
)
func MyAddWatermark(client *vod.Client) (response *vod.AddWatermarkResponse, err error) {
request := vod.CreateAddWatermarkRequest()
request.Name = "watermark-sample"
// 图片水印必须传图片文件的OSS地址,且水印文件需要和视频在同一区域,如:华东2的视频添加水印,水印文件必须存放在华东2
request.FileUrl = "http://sample.oss-cn-shanghai.aliyuncs.com/watermark/test.png"
// 文字水印设置示例
request.Type = "Text"
// 水印的文本内容、字体、大小、颜色、透明度等配置
watermarkConfig := map[string]interface{}{"Content": "watermark Text", "FontName": "SimSun", "FontSize": 25,
"FontColor": "Black", "FontAlpha": 0.2, "BorderColor": "White", "BorderWidth": 1, "Top": 20, "Left": 15}
jsonConfig, err := json.Marshal(watermarkConfig)
if err != nil {
fmt.Println("json.Marshal failed:", err)
return
}
request.WatermarkConfig = string(jsonConfig)
/*
// 图片水印设置示例
request.Type = "Image"
// 水印显示的开始时间和结束时间
timeline := map[string]interface{}{"Start": 2, "Duration": "ToEND"}
// 水印的位置等配置
watermarkConfig := map[string]interface{}{"Dx": 8, "Dy": 8, "Width": 55, "Height": 55, "ReferPos": "BottomRight", "Timeline": timeline}
jsonConfig, err := json.Marshal(watermarkConfig)
if err != nil {
fmt.Println("json.Marshal failed:", err)
return
}
request.WatermarkConfig = string(jsonConfig)
*/
request.AcceptFormat = "JSON"
return client.AddWatermark(request)
}
func main() {
client, err := InitVodClient("<accessKeyId>", "<accessKeySecret>")
if err != nil {
panic(err)
}
response, err := MyAddWatermark(client)
if err != nil {
panic(err)
}
fmt.Println(response.GetHttpContentString())
fmt.Println(response.RequestId)
fmt.Printf("%s: %s\n", response.WatermarkInfo.WatermarkId, response.WatermarkInfo.WatermarkConfig)
}
修改水印
package main
import (
"192.168.0.0/16/aliyun/alibaba-cloud-sdk-go/sdk"
"192.168.0.0/16/aliyun/alibaba-cloud-sdk-go/services/vod"
"192.168.0.0/16/aliyun/alibaba-cloud-sdk-go/sdk/auth/credentials"
"encoding/json"
"fmt"
)
func MyUpdateWatermark(client *vod.Client) (response *vod.UpdateWatermarkResponse, err error) {
request := vod.CreateUpdateWatermarkRequest()
request.WatermarkId = "5a5abf8e458a9d5c97dea86e686cdf18"
request.Name = "new-watermark-name"
// 更改文字水印设置示例
// 水印的文本内容、字体、大小、颜色、透明度等配置
watermarkConfig := map[string]interface{}{"Content": "New watermark Text", "FontName": "SimSun", "FontSize": 25,
"FontColor": "Black", "FontAlpha": 0.2, "BorderColor": "White", "BorderWidth": 1, "Top": 20, "Left": 15}
jsonConfig, err := json.Marshal(watermarkConfig)
if err != nil {
fmt.Println("json.Marshal failed:", err)
return
}
request.WatermarkConfig = string(jsonConfig)
/*
// 更改图片水印设置示例
// 水印显示的开始时间和结束时间
timeline := map[string]interface{}{"Start": 2, "Duration": "ToEND"}
// 水印的位置等配置
watermarkConfig := map[string]interface{}{"Dx": 8, "Dy": 8, "Width": 55, "Height": 55, "ReferPos": "BottomRight",
"Timeline": timeline}
jsonConfig, err := json.Marshal(watermarkConfig)
if err != nil {
fmt.Println("json.Marshal failed:", err)
return
}
request.WatermarkConfig = string(jsonConfig)
*/
request.AcceptFormat = "JSON"
return client.UpdateWatermark(request)
}
func main() {
client, err := InitVodClient("<accessKeyId>", "<accessKeySecret>")
if err != nil {
panic(err)
}
response, err := MyUpdateWatermark(client)
if err != nil {
panic(err)
}
fmt.Println(response.GetHttpContentString())
fmt.Println(response.RequestId)
fmt.Printf("%s: %s\n", response.WatermarkInfo.WatermarkId, response.WatermarkInfo.WatermarkConfig)
}
删除水印
调用DeleteWatermark接口,完成删除水印功能。
接口参数和返回字段请参见DeleteWatermark。调用示例如下:
package main
import (
"192.168.0.0/16/aliyun/alibaba-cloud-sdk-go/sdk"
"192.168.0.0/16/aliyun/alibaba-cloud-sdk-go/services/vod"
"192.168.0.0/16/aliyun/alibaba-cloud-sdk-go/sdk/auth/credentials"
"encoding/json"
"fmt"
)
func MyDeleteWatermark(client *vod.Client) (response *vod.DeleteWatermarkResponse, err error) {
request := vod.CreateDeleteWatermarkRequest()
request.WatermarkId = "<WatermarkId>"
request.AcceptFormat = "JSON"
return client.DeleteWatermark(request)
}
func main() {
client, err := InitVodClient("<accessKeyId>", "<accessKeySecret>")
if err != nil {
panic(err)
}
response, err := MyDeleteWatermark(client)
if err != nil {
panic(err)
}
fmt.Println(response.GetHttpContentString())
fmt.Println(response.RequestId)
}
查询水印列表
调用ListWatermark接口,完成查询水印列表功能。
接口参数和返回字段请参见ListWatermark。调用示例如下:
package main
import (
"192.168.0.0/16/aliyun/alibaba-cloud-sdk-go/sdk"
"192.168.0.0/16/aliyun/alibaba-cloud-sdk-go/services/vod"
"192.168.0.0/16/aliyun/alibaba-cloud-sdk-go/sdk/auth/credentials"
"encoding/json"
"fmt"
)
func MyListWatermark(client *vod.Client) (response *vod.ListWatermarkResponse, err error) {
request := vod.CreateListWatermarkRequest()
request.AcceptFormat = "JSON"
return client.ListWatermark(request)
}
func main() {
client, err := InitVodClient("<accessKeyId>", "<accessKeySecret>")
if err != nil {
panic(err)
}
response, err := MyListWatermark(client)
if err != nil {
panic(err)
}
fmt.Println(response.GetHttpContentString())
fmt.Println(response.RequestId)
for _, watermark := range response.WatermarkInfos {
fmt.Printf("%s: %s %s\n", watermark.WatermarkId, watermark.Name, watermark.WatermarkConfig)
}
}
查询单个水印
调用GetWatermark接口,完成查询单个水印功能。
接口参数和返回字段请参见GetWatermark。调用示例如下:
package main
import (
"192.168.0.0/16/aliyun/alibaba-cloud-sdk-go/sdk"
"192.168.0.0/16/aliyun/alibaba-cloud-sdk-go/services/vod"
"192.168.0.0/16/aliyun/alibaba-cloud-sdk-go/sdk/auth/credentials"
"encoding/json"
"fmt"
)
func MyGetWatermark(client *vod.Client) (response *vod.GetWatermarkResponse, err error) {
request := vod.CreateGetWatermarkRequest()
request.WatermarkId = "<WatermarkId>"
request.AcceptFormat = "JSON"
return client.GetWatermark(request)
}
func main() {
client, err := InitVodClient("<accessKeyId>", "<accessKeySecret>")
if err != nil {
panic(err)
}
response, err := MyGetWatermark(client)
if err != nil {
panic(err)
}
fmt.Println(response.GetHttpContentString())
fmt.Println(response.RequestId)
watermark := response.WatermarkInfo
fmt.Printf("%s: %s %s\n", response.WatermarkInfo.WatermarkId, watermark.Name, watermark.WatermarkConfig)
}
设置默认水印
调用SetDefaultWatermark接口,完成设置默认水印功能。
接口参数和返回字段请参见SetDefaultWatermark。调用示例如下:
package main
import (
"192.168.0.0/16/aliyun/alibaba-cloud-sdk-go/sdk"
"192.168.0.0/16/aliyun/alibaba-cloud-sdk-go/services/vod"
"192.168.0.0/16/aliyun/alibaba-cloud-sdk-go/sdk/auth/credentials"
"encoding/json"
"fmt"
)
func MySetDefaultWatermark(client *vod.Client) (response *vod.SetDefaultWatermarkResponse, err error) {
request := vod.CreateSetDefaultWatermarkRequest()
request.WatermarkId = "<WatermarkId>"
request.AcceptFormat = "JSON"
return client.SetDefaultWatermark(request)
}
func main() {
client, err := InitVodClient("<accessKeyId>", "<accessKeySecret>")
if err != nil {
panic(err)
}
response, err := MySetDefaultWatermark(client)
if err != nil {
panic(err)
}
fmt.Println(response.GetHttpContentString())
fmt.Println(response.RequestId)
}
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