本文主要讲解触发推断流回调事件后,腾讯云直播发送给用户的回调消息通知字段。
注意事项
1. 阅读本文之前,希望您已经了解腾讯云直播是如何配置回调功能、您是如何接收回调消息的,具体请参见 如何接收事件通知。
2. 任务未到结束时间前,因源或者目标地址不可用进行持续重试,或者机器异常进行任务自动迁移,均会产生任务结束回调,不可将该回调作为任务最终结束回调使用。
3. 如需要判断任务是否正常推流中,可从接收流地方进行判断,如云直播的断流回调,或流状态查询接口等方式。
拉流转推事件参数说明
事件类型参数
事件类型 | 字段取值说明 |
拉流转推 | event_type = 314 |
回调公共参数
参数 | 类型 | 含义 |
appid | int | 用户 APPID |
callback_event | string | 回调事件类型 |
source_urls | string | 拉流源 URL |
to_url | string | 推流目标 URL |
stream_id | string | 直播流名称 |
task_id | string | 任务 ID |
string | 不同事件,详细回调信息 | |
event_time | string | 事件发生时间戳,示例:"1712893433" |
msg 内参数说明
参数 | 类型 | 含义 |
task_start_time | int | 任务开始时间,毫秒时间戳 |
url | string | 当前正拉取的源 URL |
index | Int | 点播文件所在列表索引 |
duration | int | 点播文件时长,秒 |
task_exit_time | int | 任务退出时间,毫秒时间戳 |
code | Int | 任务退出错误码 |
message | string | 任务退出错误信息 |
type | string | 告警回调(callback_event:TaskAlarm)使用, 告警类型有: PullFileUnstable:文件拉取不稳定 PushStreamUnstable:推流不稳定 PullFileFailed:文件拉取出错 PushStreamFailed:推流出现失败 FileEndEarly:文件提前结束 |
回调消息示例
{"appid": 4,"callback_event": "TaskStart","event_type": 314,"interface": "general_callback","msg": "{\\"task_start_time\\":0}","product_name": "pullpush","source_urls": "[\\"http://yourURL.cn/live/normal_230753472*****21162358-upload-45eb/playlist.m3u8\\"]\\n","stream_id": "testvod","task_id": "118148","to_url": "rtmp://5000.livepush.myqcloud.com/live/testvod"}
{"appid": 4,"callback_event": "VodSourceFileStart","callback_url": "http://you.callback.url","event_type": 314,"interface": "general_callback","msg": "{\\"url\\":\\"http://remit-tx-ugcpub.douyucdn2.cn/live/normal_466247620*****3100448-upload-216b/playlist.m3u8\\",\\"index\\":0,\\"duration\\":14920}","product_name": "pullpush","source_urls": "[\\"http://yourURL.cn/live/normal_466247620*****3100448-upload-216b/playlist.m3u8\\"]\\n","stream_id": "testvod","task_id": "118145","to_url": "rtmp://5000.livepush.myqcloud.com/live/testvod"}
{"appid": 4,"callback_event": "VodSourceFileFinish","callback_url": "http://you.callback.url","event_type": 314,"interface": "general_callback","msg": "{\\"url\\":\\"http://yourURL.cn/live/normal_466247620*****3100448-upload-216b/playlist.m3u8\\",\\"index\\":0,\\"duration\\":14920}","product_name": "pullpush","source_urls": "[\\"http://yourURL.cn/live/normal_466247620*****3100448-upload-216b/playlist.m3u8\\"]\\n","stream_id": "testvod","task_id": "118145","to_url": "rtmp://5000.livepush.myqcloud.com/live/testvod"}
{"appid": 4,"callback_event": "TaskExit","event_type": 314,"interface": "general_callback","msg": "{\\"message\\":\\"write packet error.\\",\\"code\\":-22,\\"task_exit_time\\":0}","product_name": "pullpush","source_urls": "[\\"http://yourURL.cn/live/normal_230753472*****21162358-upload-4\\"]\\n"}
{"appid": 4,"callback_event": "TaskAlarm","event_type": 314,"interface": "general_callback","msg": "{\\"url\\": \\"http://5000.livepush.myqcloud.com/live/normal_2307534720200521162358-upload-45eb/playlist.m3u8\\",\\"message\\":\\"Pull file unstable.\\",\\"type\\":\\"PullFileUnstable\\",\\"offset\\":123,"Duation":3333}","product_name": "pullpush","task_id": "118148","source_urls": "[\\"http://5000.livepush.myqcloud.com/live/normal_2307534720200521162358-upload-45eb/playlist.m3u8\\"]\\n","stream_id": "","to_url": "rtmp://5000.livepush.myqcloud.com/live/testdouyu"}
注意
配置点播视频拉流转推的回调先后顺序为:
TaskStart-任务开始回调
> VodSourceFileStart-点播文件开始时回调
> VodSourceFileFinish-点播文件结束回调
。TaskStart-任务开始回调
和 VodSourceFileStart-点播文件开始时回调
两个回调中间会有2s内的间隔。拉流转推回调的配置是在拉流转推任务里配置的,具体操作请参见 拉流转推。