图谱 API 版

Event Live Videos

读取

SELF_EXPLANATORY

例子

Graph API Explorer
GET /v21.0/{event-id}/live_videos HTTP/1.1
Host: graph.facebook.com
/* PHP SDK v5.0.0 */
/* make the API call */
try {
  // Returns a `Facebook\FacebookResponse` object
  $response = $fb->get(
    '/{event-id}/live_videos',
    '{access-token}'
  );
} catch(Facebook\Exceptions\FacebookResponseException $e) {
  echo 'Graph returned an error: ' . $e->getMessage();
  exit;
} catch(Facebook\Exceptions\FacebookSDKException $e) {
  echo 'Facebook SDK returned an error: ' . $e->getMessage();
  exit;
}
$graphNode = $response->getGraphNode();
/* handle the result */
/* make the API call */
FB.api(
    "/{event-id}/live_videos",
    function (response) {
      if (response && !response.error) {
        /* handle the result */
      }
    }
);
/* make the API call */
new GraphRequest(
    AccessToken.getCurrentAccessToken(),
    "/{event-id}/live_videos",
    null,
    HttpMethod.GET,
    new GraphRequest.Callback() {
        public void onCompleted(GraphResponse response) {
            /* handle the result */
        }
    }
).executeAsync();
/* make the API call */
FBSDKGraphRequest *request = [[FBSDKGraphRequest alloc]
                               initWithGraphPath:@"/{event-id}/live_videos"
                                      parameters:params
                                      HTTPMethod:@"GET"];
[request startWithCompletionHandler:^(FBSDKGraphRequestConnection *connection,
                                      id result,
                                      NSError *error) {
    // Handle the result
}];
如果你希望详细了解如何使用图谱 API,请阅读我们的图谱 API 指南

参数

这个端点不包含任何参数。

字段

从这条连线读取将返回一个 JSON 格式的结果:

{ "data": [], "paging": {} }

data

Null 节点列表。

paging

详细了解分页功能,请见图谱 API 指南

错误代码

错误描述
100Invalid parameter

创建

你可以通过下列路径向 live_videos 连线发出 POST 请求:
发布到这个连线会创建 a LiveVideo

参数

参数描述
content_tags
list<numeric string>

Tags that describe the contents of the video. Use search endpoint with type=adinterest to get possible IDs.

                                Example:
                                ~~~~
                                /search?type=adinterest&q=couscous
                                ~~~~

description
string

The description of the live video.

enable_backup_ingest
boolean

Set this to true to enable a backup ingest url. stop_on_delete_stream defaults to false when set

encoding_settings
string

Identifier of the encoding settings group the broadcaster is using for this stream. This parameter is currently only in use for live-360 broadcasts. The value to be passed to this parameter is the value of the identifier key of the encoding settings preset. Encoding presets can be found by querying the /broadcaster_encoding_settings Graph API endpoint (GET query).

event_params
Live Video Event Parameter

Parameters specific to Live Online Event broadcast. If start_time (unix timecode) is set, LOE's start time will be updated. Also, cover (url) uploads an image to use as the cover photo for the event.

Example: { start_time: 1641013200, cover: 'https://your.url/image.jpg', }

fisheye_video_cropped
boolean

Whether the single fisheye video is cropped or not

front_z_rotation
float

The front z rotation in degrees on the single fisheye video

is_spherical
boolean

Flag that denotes the broadcast is a 360 live broadcast.

original_fov
int64

Original field of view of the camera

privacy
Privacy Parameter

Privacy for this live video.

projection
enum {EQUIRECTANGULAR, CUBEMAP, HALF_EQUIRECTANGULAR}

Flag that denotes expected projection for 360 live streams. The default value is EQUIRECTANGULAR.

published
boolean

Set this to false to preview the stream before going live.

                                Deprecated. Prefer setting the status instead.

schedule_custom_profile_image
image

Custom image that will appear in the scheduled live story and lobby.

spatial_audio_format
enum {ambiX_4}

Denotes the format of the spatial audio stream. When unspecified audio is presumed to be mono or stereo.

status
enum {UNPUBLISHED, LIVE_NOW, SCHEDULED_UNPUBLISHED, SCHEDULED_LIVE, SCHEDULED_CANCELED}

The status of the broadcast. A LIVE_NOW broadcast is currently live and visible to users. An UNPUBLISHED broadcast is in preparation; it's not visible to other users, and it may be automatically deleted after several hours in this state. (Consider using the SCHEDULED states to create a planned, future broadcast.)

stereoscopic_mode
enum {MONO, LEFT_RIGHT, TOP_BOTTOM}

Set this parameter to the stereoscopic mode for this video.

stop_on_delete_stream
boolean

Set this to true if stream should be stopped when deleteStream RTMP command received.

title
string

The title of the live video. Maximum 254 characters.

返回类型

这个端点支持先写后读,并会读取返回类型中 id 代表的节点。
Struct {
id: numeric string,
stream_url: string,
secure_stream_url: string,
stream_secondary_urls: List [
string
],
secure_stream_secondary_urls: List [
string
],
dash_ingest_url: string,
dash_ingest_secondary_urls: List [
string
],
event_id: numeric string,
}

错误代码

错误描述
6000There was a problem uploading your video file. Please try again with another file.

更新

你无法在此端点执行该操作。

删除

你无法在此端点执行该操作。