本文通过示例详细介绍如何使用服务端上传SDK(C/C++语言)将各类媒体文件上传至点播存储。

上传流程

从内部逻辑角度看,C/C++上传SDK遵循点播服务端SDK的通用流程。详情请参见上传流程。从操作角度看,使用C/C++上传SDK的基础流程如下:
  1. 完成前提条件。请参见前提条件
  2. 集成Java上传SDK。请参见集成C/C++上传SDK
  3. 实现上传逻辑(主要是上传信息配置)。

前提条件

  • 您已经开通了视频点播服务。开通步骤请参见开通视频点播服务

  • 您已经完成上传相关的系统配置,包括启用目标存储地域的存储地址和配置回调。操作指引请参见存储管理回调设置
  • 您已准备好用于调用点播服务的账号。为避免阿里云账号AccessKey泄露带来的安全风险,推荐您创建RAM用户并授予其VOD相关权限。然后使用RAM用户的AK对(AccessKey ID和AccessKey Secret)访问点播服务。操作指引请参见创建RAM用户并授权
  • (可选)如需使用STS临时授权方式(阿里云Security Token Service)访问点播服务,请为RAM用户创建角色并授予角色VOD相关权限。操作指引请参见创建角色并进行STS临时授权
    说明 STS临时授权方式的适用场景请参见凭证方式与STS方式对比

集成C/C++上传SDK

说明
  • 此处以SDK1.0.0版本举例说明。其他版本请根据实际情况操作。
  • 上传SDK及示例代码解压后的目录详细信息,请参见下文目录说明
  1. 下载C/C++上传SDK及示例代码VodSDK-C_1.0.0.gz,请参见服务端上传SDK
  2. 按照C/C++服务端安装方式进行安装。具体操作,请参见安装

更新C/C++上传SDK

若发现新的接口或已有接口新的功能在当前SDK没有,请下载最新的C/C++上传SDK覆盖到本地SDK文件。更多信息,请参见服务端上传SDK

说明 您可以打开aliyun-c-sdk-vod目录下的ChangeLog.txt文件查看当前SDK的版本号和发布日期。

音视频上传

普通音视频
音视频上传目前支持以下类型文件上传:
  • 上传本地文件,使用分片上传,最大支持48.8 TB的单个文件,不支持断点续传。请参见testUploadLocalVideo函数。
  • 上传网络文件,可指定文件URL进行上传,最大支持48.8 TB的单个文件。该上传方式需要先将网络文件下载到本地磁盘,再进行上传,所以要保证本地磁盘有充足的空间。请参见示例代码中的testUploadWebVideo函数。
示例代码
void testCallback(int64_t consumed_bytes, int64_t total_bytes)
{
    printf("total :%ld, %ld\n", consumed_bytes, total_bytes);
}
//测试上传本地视频
VodApiResponse testUploadLocalVideo(VodCredential authInfo) {
    CreateUploadVideoRequest request;
    //视频源文件名
    request.fileName = "test.mp4";
    //视频标题
    request.title = "testVideo****";
    //视频分类ID
    request.cateId = "1";
    //自定义视频封面的URL地址,coverURL示例:http://example.com/example-****.jpg
    request.coverURL = "<your cover URL>";
    //视频标签
    request.tags = "test1,test2";
    //转码模板组ID
    request.templateGroupId = "6ae347b0140181ad371d197ebe28****";
    //存储地址,storageLocation示例:example-bucket-****.oss-cn-shanghai.aliyuncs.com
    requests.storageLocation = "<your torageLocation>";
    Json::Value userData;
    Json::Value callbackUrl;
    //CallbackURL示例:https://example.aliyundoc.com/ProcessMessageCallback
    callbackUrl["CallbackURL"] = "<your callback URL>";
    userData["MessageCallback"] = callbackUrl;
    Json::Value extend;
    extend["localId"] = "xxx";
    extend["test"] = "www";
    userData["Extend"] = extend;
    request.userData = userData.toStyledString();
    UploadOptions uploadOptions;
    //设置上传脚本部署的ECS区域(如果有),如与视频点播存储同一区域会自动启用内网上传
    //uploadOptions.ecsRegionId = "cn-shanghai";
    //设置自定义回调函数,否则设置为默认,设置为NULL不回调
    //uploadOptions.uploadProgressCallback = testCallback;
    //uploadOptions.multipartUploadLimit = 20*1024*1024;//设置分片上传阈值
    //uploadOptions.multipartUploadOnceSize = 10*1024*1024;//设置分片上传分片大小
    VodApiResponse result = uploadLocalVideo(authInfo, request, "./test.mp4", uploadOptions);
    return result;
}
//测试上传网络视频
VodApiResponse testUploadWebVideo(VodCredential authInfo) {
    CreateUploadVideoRequest request;
    request.fileName = "testWeb****.mp4";
    request.title = "testUploadWebVideo****";
    UploadOptions uploadOptions;
    //设置上传脚本部署的ECS区域(如果有),如与视频点播存储同一区域会自动启用内网上传
    //uploadOptions.ecsRegionId = "cn-shanghai";
    //设置自定义回调函数,否则设置为默认,设置为NULL不回调
    //uploadOptions.uploadProgressCallback = testCallback;
    //uploadOptions.multipartUploadLimit = 20*1024*1024;//设置分片上传阈值
    //uploadOptions.multipartUploadOnceSize = 10*1024*1024;//设置分片上传分片大小
    //设置下载临时目录,默认为/tmp/
    //uploadOptions.tmpDir = "/tmp/";
    VodApiResponse result = uploadWebVideo(authInfo, request, "<Your Download Url>", uploadOptions);
    return result;
}

####  调用测试代码   ####
VodCredential initVodClient(std::string accessKeyId, std::string accessKeySecret) {
    VodCredential authInfo;
    authInfo.accessKeyId = accessKeyId;
    authInfo.accessKeySecret = accessKeySecret;
    authInfo.regionId = "cn-shanghai";
    return authInfo;
}
int main(int argc, char * argv[]) {
    VodCredential authInfo = initVodClient("<Your AccessKeyId>", "<Your AccessKeySecret>");
    VodApiResponse response;
    response = testUploadLocalVideo(authInfo);
    //response = testUploadWebVideo(authInfo);
    //response = testUploadLocalM3u8(authInfo);
    //response = testUploadWebM3u8(authInfo);
    printf("httpCode: %d, result: %s\n", response.httpCode, response.result.c_str());
}
M3U8文件
示例代码
void testCallback(int64_t consumed_bytes, int64_t total_bytes)
{
    printf("total :%ld, %ld\n", consumed_bytes, total_bytes);
}
//测试上传本地m3u8视频
VodApiResponse testUploadLocalM3u8(VodCredential authInfo) {
    CreateUploadVideoRequest request;
    //视频源文件名
    request.fileName = "testLocal****.m3u8";
    //视频标题
    request.title = "testUploadLocalM3u8****";
    list<string> tsList;
    //注意:如果不添加则会自动解析
    //tsList.push_back("/tmp/1.ts");
    UploadOptions uploadOptions;
    VodApiResponse result = uploadLocalM3u8(authInfo, request, "./test****.m3u8", tsList, uploadOptions);
    return result;
}
//测试上传网络m3u8视频
VodApiResponse testUploadWebM3u8(VodCredential authInfo) {
    CreateUploadVideoRequest request;
    //视频源文件名
    request.fileName = "testWeb****.m3u8";
    //视频标题
    request.title = "testUploadWebM3u8****";
    list<string> tsList;
    //注意:如果不添加则会自动解析
    //tsList.push_back("<Ts1 Download Url>");
    //tsList.push_back("<Ts2 Download Url>");
    UploadOptions uploadOptions;
    VodApiResponse result = uploadWebM3u8(authInfo, request, "<Your M3u8 Download Url>", tsList, uploadOptions);
    return result;
}
####  调用测试代码   ####
VodCredential initVodClient(std::string accessKeyId, std::string accessKeySecret) {
    VodCredential authInfo;
    authInfo.accessKeyId = accessKeyId;
    authInfo.accessKeySecret = accessKeySecret;
    authInfo.regionId = "cn-shanghai";
    return authInfo;
}
int main(int argc, char * argv[]) {
    VodCredential authInfo = initVodClient("<Your AccessKeyId>", "<Your AccessKeySecret>");
    VodApiResponse response;
    response = testUploadLocalVideo(authInfo);
    //response = testUploadWebVideo(authInfo);
    //response = testUploadLocalM3u8(authInfo);
    //response = testUploadWebM3u8(authInfo);
    printf("httpCode: %d, result: %s\n", response.httpCode, response.result.c_str());
}

图片上传

部分代码示例如下所示:

void testCallback(int64_t consumed_bytes, int64_t total_bytes)
{
    printf("total :%ld, %ld\n", consumed_bytes, total_bytes);
}

VodApiResponse testUploadLocalImage(VodCredential authInfo)
{
    CreateUploadImageRequest request;
    //图片类型
    request.imageType = "default";
    //图片标题
    request.title = "testUploadLocalImage";
    UploadOptions uploadOptions;
    //设置上传脚本部署的ECS区域(如有),如与点播存储同一区域会自动启用内网上传
    //uploadOptions.ecsRegionId = "cn-shanghai";
    //设置自定义回调函数,否则设置为默认,设置为NULL不回调
    //uploadOptions.uploadProgressCallback = testCallback;
    VodApiResponse result = uploadLocalImage(authInfo, request, "./test.png", uploadOptions);
    return result;
}

VodApiResponse testUploadWebImage(VodCredential authInfo) {
    CreateUploadImageRequest request;
    request.imageType = "default";
    request.title = "testUploadWebImage";
    UploadOptions uploadOptions;
    //设置上传脚本部署的ECS区域(如有),如与点播存储同一区域会自动启用内网上传
    //uploadOptions.ecsRegionId = "cn-shanghai";
    //设置自定义回调函数,否则设置为默认,设置为NULL不回调
    //uploadOptions.uploadProgressCallback = testCallback;
    //设置下载临时目录,默认为/tmp/
    //uploadOptions.tmpDir = "/tmp/";
    VodApiResponse result = uploadWebImage(authInfo, request, "<Your Download Url>", uploadOptions);
    return result;
}

VodCredential initVodClient(std::string accessKeyId, std::string accessKeySecret) {
    VodCredential authInfo;
    authInfo.accessKeyId = accessKeyId;
    authInfo.accessKeySecret = accessKeySecret;
    authInfo.regionId = "cn-shanghai";
    return authInfo;
}
int main(int argc, char * argv[]) {
    VodCredential authInfo = initVodClient("<Your AccessKeyId>", "<Your AccessKeySecret>");
    VodApiResponse response;

    response = testUploadLocalImage(authInfo);
    //response = testUploadWebImage(authInfo);
    printf("httpCode: %d, result: %s\n", response.httpCode, response.result.c_str());
}

辅助媒资上传

部分代码示例如下所示:

void testCallback(int64_t consumed_bytes, int64_t total_bytes)
{
    printf("total :%ld, %ld\n", consumed_bytes, total_bytes);
}

VodApiResponse testUploadLocalAttachedMedia(VodCredential authInfo)
{
    CreateUploadAttachedMediaRequest request;
    //业务类型
    request.businessType = "watermark";’
    //文件扩展名
    request.mediaExt = "png";
    //标题
    request.title = "testUploadLocalAttachedMedia";
    UploadOptions uploadOptions;
    //设置上传脚本部署的ECS区域(如有),如与点播存储同一区域会自动启用内网上传
    //uploadOptions.ecsRegionId = "cn-shanghai";
    //设置自定义回调函数,否则设置为默认,设置为NULL不回调
    //uploadOptions.uploadProgressCallback = testCallback;
    return uploadLocalAttachedMedia(authInfo, request, "./test.png", uploadOptions);
}

VodApiResponse testUploadWebAttachedMedia(VodCredential authInfo)
{
    CreateUploadAttachedMediaRequest request;
    //业务类型
    request.businessType = "watermark";
    //文件扩展名
    request.mediaExt = "png";
    //标题
    request.title = "testUploadWebAttachedMedia";
    UploadOptions uploadOptions;
    //设置上传脚本部署的ECS区域(如有),如与点播存储同一区域会自动启用内网上传
    //uploadOptions.ecsRegionId = "cn-shanghai";
    //设置自定义回调函数,否则设置为默认,设置为NULL不回调
    //uploadOptions.uploadProgressCallback = testCallback;
    //设置下载临时目录,默认为/tmp/
    //uploadOptions.tmpDir = "/tmp/";
    return uploadWebAttachedMedia(authInfo, request, "<Your Download Url>", uploadOptions);
}

VodCredential initVodClient(std::string accessKeyId, std::string accessKeySecret) {
    VodCredential authInfo;
    authInfo.accessKeyId = accessKeyId;
    authInfo.accessKeySecret = accessKeySecret;
    authInfo.regionId = "cn-shanghai";
    return authInfo;
}
int main(int argc, char * argv[]) {
    VodCredential authInfo = initVodClient("<Your AccessKeyId>", "<Your AccessKeySecret>");
    VodApiResponse response;
    response = testUploadLocalAttachedMedia(authInfo);
    //response = testUploadWebAttachedMedia(authInfo);
    printf("httpCode: %d, result: %s\n", response.httpCode, response.result.c_str());
}

C/C++上传SDK目录说明

/VodSDK-C_1.0.0.gz解压目录/VodSDK-C_1.0.0/aliyun-c-sdk-vod/src/upload.h
目录 说明
CreateUploadVideoRequest 上传视频的请求类,字段请参见获取音视频上传地址和凭证
CreateUploadImageRequest 上传图片的请求类,字段请参见获取图片上传地址和凭证
CreateUploadAttachedMediaRequest 上传辅助媒资的请求类,字段请参见获取辅助媒资上传地址和凭证
UploadOptions 上传参数结构体,包含如下参数:
  • void (*uploadProgressCallback) (int64_t, int64_t):用于实现自定义上传进度回调,如果不设置则使用默认,设置为NULL则不进行回调。
  • ecsRegionId:设置上传脚本部署的ECS区域(如果有),如果与视频点播存储同一区域会自动启用内网上传。
  • multipartUploadLimit:分片上传阈值,单位字节,默认为10 MB(只对视频上传有效)。
  • multipartUploadOnceSize:分片大小,单位字节,默认为10 MB(只对视频上传有效)。
  • tmpDir:本地临时存储地址,只对网络上传方式生效。
uploadLocalVideo 上传本地视频。
uploadWebVideo 上传网络视频。
uploadLocalImage 上传本地图片。
uploadWebImage 上传网络图片。
uploadLocalAttachedMedia 上传本地辅助媒资文件。
uploadWebAttachedMedia 上传网络辅助媒资文件。
uploadLocalM3u8 上传本地m3u8视频。
uploadWebM3u8 上传网络m3u8视频。
/VodSDK-C_1.0.0.gz解压目录/VodSDK-C_1.0.0/aliyun-c-sdk-vod/samples
目录 说明
uploadVideo.cpp 上传视频的示例代码。
uploadImage.cpp 上传图片的示例代码。
uploadAttachedMedia.cpp 上传辅助媒资的示例代码。