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video.go
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video.go
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package gotwilio
import (
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"time"
)
// MediaRegion is the locations of Twilio's
// TURN servers
type MediaRegion string
const (
Australia MediaRegion = "au1"
Brazil MediaRegion = "br1"
Germany MediaRegion = "de1"
Ireland MediaRegion = "ie1"
India MediaRegion = "in1"
Japan MediaRegion = "jp1"
Singapore MediaRegion = "sg1"
USEastCoast MediaRegion = "us1"
USWestCoast MediaRegion = "us2"
)
// VideoStatus is the status of a video room
type VideoStatus string
const (
InProgress VideoStatus = "in-progress"
Failed VideoStatus = "failed"
Completed VideoStatus = "completed"
)
// VideoRoomType is how the participants connect
// to each other, whether peer-to-peer of routed
// through a TURN server.
type VideoRoomType string
const (
PeerToPeer VideoRoomType = "peer-to-peer"
Group VideoRoomType = "group"
GroupSmall VideoRoomType = "group-small"
)
// VideoCodecs are the supported codecs when
// publishing a track to the room.
type VideoCodecs string
const (
VP8 VideoCodecs = "VP8"
H264 VideoCodecs = "H264"
)
type CompositionFile struct {
Url string `json:"redirect_to"`
}
// ListVideoResponse is returned when listing rooms
type ListVideoReponse struct {
Rooms []*VideoResponse `json:"rooms"`
Meta struct {
Page int64 `json:"page"`
PageSize int64 `json:"page_size"`
FirstPageUrl string `json:"first_page_url"`
PreviousPageUrl string `json:"previous_page_url"`
NextPageUrl string `json:"next_page_url"`
Url string `json:"url"`
Key string `json:"key"`
} `json:"meta"`
}
type VideoRecording struct {
AccountSid string `json:"account_sid"`
Status string `json:"status"`
Sid string `json:"sid"`
Url string `json:"url"`
Type string `json:"type"`
}
type GetVideoRecordingsByRoom struct {
Recordings []VideoRecording
}
// VideoResponse is returned for a single room
type VideoResponse struct {
AccountSid string `json:"account_sid"`
DateCreated time.Time `json:"date_created"`
DateUpdated time.Time `json:"date_updated"`
Duration time.Duration `json:"duration"`
EnableTurn bool `json:"enable_turn"`
EndTime time.Time `json:"end_time"`
MaxParticipants int64 `json:"max_participants"`
MediaRegion MediaRegion `json:"media_region"`
RecordParticipantsOnConnect bool `json:"record_participants_on_connect"`
Sid string `json:"sid"`
Status VideoStatus `json:"status"`
StatusCallback string `json:"status_callback"`
StatusCallbackMethod string `json:"status_callback_method"`
Type VideoRoomType `json:"type"`
UniqueName string `json:"unique_name"`
URL string `json:"url"`
}
type VideoComposition struct {
AccountSid string `json:"account_sid"`
DateCreated time.Time `json:"date_created"`
Sid string `json:"sid"`
Status VideoStatus `json:"status"`
}
type createRoomOptions struct {
EnableTurn bool `json:"EnableTurn"`
MaxParticipants int64 `json:"MaxParticipants"`
MediaRegion MediaRegion `json:"MediaRegion"`
RecordParticipantsOnConnect bool `json:"RecordParticipantsOnConnect"`
StatusCallback string `json:"StatusCallback"`
StatusCallbackMethod string `json:"StatusCallbackMethod"`
Type VideoRoomType `json:"Type"`
UniqueName string `json:"UniqueName"`
VideoCodecs []VideoCodecs `json:"VideoCodecs"`
}
// DefaultVideoRoomOptions are the default options
// for creating a room.
var DefaultVideoRoomOptions = &createRoomOptions{
EnableTurn: true,
MaxParticipants: 10,
MediaRegion: USEastCoast,
RecordParticipantsOnConnect: false,
StatusCallback: "",
StatusCallbackMethod: http.MethodPost,
Type: GroupSmall,
UniqueName: "",
VideoCodecs: []VideoCodecs{H264, VP8},
}
// ListVideoRoomOptions are the options to query
// for a list of video rooms.
type ListVideoRoomOptions struct {
DateCreatedAfter time.Time `json:"DateCreatedAfter"`
DateCreatedBefore time.Time `json:"DateCreatedBefore"`
Status VideoStatus `json:"Status"`
UniqueName string `json:"EnableUniqueNameTurn"`
}
type VideoCompositionOptions struct {
RoomSID string `json:"RoomSid"`
StatusCallback string `json:"StatusCallback"`
StatusCallbackMethod string `json:"StatusCallbackMethod"`
Format string `json:"Format"`
}
type VideoCompositionResponse struct {
Id string `json:"sid"`
Url string `json:"url"`
}
func (twilio *Twilio) DefaultRoomOptions() *createRoomOptions {
return &createRoomOptions{
EnableTurn: false, //Deprecated
MaxParticipants: 10,
MediaRegion: USEastCoast,
RecordParticipantsOnConnect: false,
StatusCallback: "",
StatusCallbackMethod: http.MethodPost,
Type: GroupSmall,
UniqueName: "",
VideoCodecs: []VideoCodecs{VP8},
}
}
// CreateVideoRoom creates a video communication session
// for participants to connect to.
// See https://www.twilio.com/docs/video/api/rooms-resource
// for more information.
func (twilio *Twilio) CreateVideoRoom(options *createRoomOptions) (videoResponse *VideoResponse, exception *Exception, err error) {
twilioUrl := twilio.VideoUrl + "/v1/Rooms"
formValues := createRoomOptionsToFormValues(options)
res, err := twilio.post(formValues, twilioUrl)
if err != nil {
return videoResponse, exception, err
}
defer res.Body.Close()
responseBody, err := ioutil.ReadAll(res.Body)
if err != nil {
return videoResponse, exception, err
}
if res.StatusCode != http.StatusCreated {
exception = new(Exception)
err = json.Unmarshal(responseBody, exception)
// We aren't checking the error because we don't actually care.
// It's going to be passed to the client either way.
return videoResponse, exception, err
}
videoResponse = new(VideoResponse)
err = json.Unmarshal(responseBody, videoResponse)
return videoResponse, exception, err
}
func (twilio *Twilio) GetRecordingsByRoom(sid string) ([]VideoRecording, *Exception, error) {
twilioUrl := twilio.VideoUrl + fmt.Sprintf("/v1/Rooms/%v/Recordings", sid)
res, err := twilio.get(twilioUrl)
if err != nil {
return nil, nil, err
}
defer res.Body.Close()
responseBody, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, nil, err
}
if res.StatusCode != http.StatusOK {
exception := new(Exception)
err = json.Unmarshal(responseBody, exception)
// We aren't checking the error because we don't actually care.
// It's going to be passed to the client either way.
return nil, exception, err
}
recordings := new(GetVideoRecordingsByRoom)
err = json.Unmarshal(responseBody, recordings)
return recordings.Recordings, nil, err
}
func (twilio *Twilio) DeleteRecording(sid string) (*Exception, error) {
twilioUrl := twilio.VideoUrl + fmt.Sprintf("/v1/Recordings/%v", sid)
res, err := twilio.delete(twilioUrl)
if err != nil {
return nil, err
}
defer res.Body.Close()
responseBody, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, err
}
if res.StatusCode != http.StatusNoContent {
exception := new(Exception)
err = json.Unmarshal(responseBody, exception)
// We aren't checking the error because we don't actually care.
// It's going to be passed to the client either way.
return exception, err
}
return nil, nil
}
func (twilio *Twilio) GetComposition(sid string) (*VideoComposition, *Exception, error) {
twilioUrl := twilio.VideoUrl + fmt.Sprintf("/v1/Compositions/%v", sid)
res, err := twilio.get(twilioUrl)
if err != nil {
return nil, nil, err
}
defer res.Body.Close()
responseBody, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, nil, err
}
if res.StatusCode != http.StatusOK {
exception := new(Exception)
err = json.Unmarshal(responseBody, exception)
// We aren't checking the error because we don't actually care.
// It's going to be passed to the client either way.
return nil, exception, err
}
videoResponse := new(VideoComposition)
err = json.Unmarshal(responseBody, videoResponse)
return videoResponse, nil, err
}
func (twilio *Twilio) GetCompositionMediaFile(sid string) (io.ReadCloser, error) {
twilioUrl := twilio.VideoUrl + fmt.Sprintf("/v1/Compositions/%v/Media?Ttl=60", sid)
res, err := twilio.get(twilioUrl)
if err != nil {
return nil, err
}
return res.Body, nil
}
func (twilio *Twilio) DeleteComposition(sid string) (ex *Exception, err error) {
twilioUrl := twilio.VideoUrl + fmt.Sprintf("/v1/Compositions/%v", sid)
res, err := twilio.delete(twilioUrl)
if err != nil {
return nil, err
}
defer res.Body.Close()
if res.StatusCode != http.StatusNoContent {
responseBody, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, err
}
ex = new(Exception)
err = json.Unmarshal(responseBody, ex)
if err != nil {
return nil, err
}
return ex, err
}
return nil, nil
}
func (twilio *Twilio) RemoveParticipantFromRoom(participantUid, roomName string) (ex *Exception, err error) {
twilioUrl := twilio.VideoUrl + fmt.Sprintf("/v1/Rooms/%v/Participants/%v", roomName, participantUid)
formValues := url.Values{}
formValues.Set("Status", "disconnected")
res, err := twilio.post(formValues, twilioUrl)
if err != nil {
return ex, err
}
defer res.Body.Close()
responseBody, err := ioutil.ReadAll(res.Body)
if err != nil {
return ex, err
}
if res.StatusCode != http.StatusAccepted {
ex = new(Exception)
err = json.Unmarshal(responseBody, ex)
return ex, err
}
return ex, err
}
func (twilio *Twilio) CreateVideoRoomComposition(options *VideoCompositionOptions) (resp *VideoCompositionResponse, exception *Exception, err error) {
twilioUrl := twilio.VideoUrl + "/v1/Compositions"
formValues := url.Values{}
formValues.Set("RoomSid", fmt.Sprintf("%s", options.RoomSID))
formValues.Set("AudioSources", "*")
formValues.Set("StatusCallback", fmt.Sprintf("%s", options.StatusCallback))
formValues.Set("StatusCallbackMethod", fmt.Sprintf("%s", options.StatusCallbackMethod))
formValues.Set("Format", "mp4")
formValues.Set("VideoLayout", `{
"grid":{
"video_sources":["*"]
}
}`)
res, err := twilio.post(formValues, twilioUrl)
if err != nil {
return nil, exception, err
}
defer res.Body.Close()
responseBody, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, exception, err
}
if res.StatusCode != http.StatusCreated {
exception = new(Exception)
err = json.Unmarshal(responseBody, exception)
return nil, exception, err
}
resp = new(VideoCompositionResponse)
err = json.Unmarshal(responseBody, resp)
return resp, exception, err
}
// DateCreatedAfter time.Time `json:"DateCreatedAfter"`
// DateCreatedBefore time.Time `json:"DateCreatedBefore"`
// Status VideoStatus `json:"Status"`
// UniqueName string `json:"EnableUniqueNameTurn"`
// ListVideoRooms returns a list of all video rooms.
// See https://www.twilio.com/docs/video/api/rooms-resource
// for more information.
func (twilio *Twilio) ListVideoRooms(options *ListVideoRoomOptions) (videoResponse *ListVideoReponse, exception *Exception, err error) {
q := &url.Values{}
if !options.DateCreatedAfter.Equal(time.Time{}) {
q.Set("DateCreatedAfter", options.DateCreatedAfter.Format(time.RFC3339))
}
if !options.DateCreatedBefore.Equal(time.Time{}) {
q.Set("DateCreatedBefore", options.DateCreatedBefore.Format(time.RFC3339))
}
if options.Status != "" {
q.Set("Status", fmt.Sprintf("%s", options.Status))
}
if options.UniqueName != "" {
q.Set("UniqueName", options.UniqueName)
}
twilioUrl := twilio.VideoUrl + "/v1/Rooms?" + q.Encode()
res, err := twilio.get(twilioUrl)
if err != nil {
return videoResponse, exception, err
}
defer res.Body.Close()
responseBody, err := ioutil.ReadAll(res.Body)
if err != nil {
return videoResponse, exception, err
}
if res.StatusCode != http.StatusOK {
exception = new(Exception)
err = json.Unmarshal(responseBody, exception)
// We aren't checking the error because we don't actually care.
// It's going to be passed to the client either way.
return videoResponse, exception, err
}
videoResponse = new(ListVideoReponse)
err = json.Unmarshal(responseBody, videoResponse)
return videoResponse, exception, err
}
// GetVideoRoom retrievs a single video session
// by name or by Sid.
// See https://www.twilio.com/docs/video/api/rooms-resource
// for more information.
func (twilio *Twilio) GetVideoRoom(nameOrSid string) (videoResponse *VideoResponse, exception *Exception, err error) {
twilioUrl := twilio.VideoUrl + "/v1/Rooms/" + nameOrSid
res, err := twilio.get(twilioUrl)
if err != nil {
return videoResponse, exception, err
}
defer res.Body.Close()
responseBody, err := ioutil.ReadAll(res.Body)
if err != nil {
return videoResponse, exception, err
}
if res.StatusCode != http.StatusOK {
exception = new(Exception)
err = json.Unmarshal(responseBody, exception)
// We aren't checking the error because we don't actually care.
// It's going to be passed to the client either way.
return videoResponse, exception, err
}
videoResponse = new(VideoResponse)
err = json.Unmarshal(responseBody, videoResponse)
return videoResponse, exception, err
}
// EndVideoRoom stops a single video session by name
// or by Sid, and disconnects all participants.
// See https://www.twilio.com/docs/video/api/rooms-resource
// for more information.
func (twilio *Twilio) EndVideoRoom(nameOrSid string) (videoResponse *VideoResponse, exception *Exception, err error) {
twilioUrl := twilio.VideoUrl + "/v1/Rooms/" + nameOrSid
formValues := url.Values{}
formValues.Set("Status", fmt.Sprintf("%s", Completed))
res, err := twilio.post(formValues, twilioUrl)
if err != nil {
return videoResponse, exception, err
}
defer res.Body.Close()
responseBody, err := ioutil.ReadAll(res.Body)
if err != nil {
return videoResponse, exception, err
}
if res.StatusCode < 200 || res.StatusCode > 299 {
exception = new(Exception)
err = json.Unmarshal(responseBody, exception)
// We aren't checking the error because we don't actually care.
// It's going to be passed to the client either way.
return videoResponse, exception, err
}
videoResponse = new(VideoResponse)
err = json.Unmarshal(responseBody, videoResponse)
return videoResponse, exception, err
}
func createRoomOptionsToFormValues(options *createRoomOptions) url.Values {
formValues := url.Values{}
formValues.Set("EnableTurn", fmt.Sprintf("%t", options.EnableTurn))
formValues.Set("MaxParticipants", fmt.Sprintf("%d", options.MaxParticipants))
formValues.Set("MediaRegion", fmt.Sprintf("%s", options.MediaRegion))
formValues.Set("RecordParticipantsOnConnect", fmt.Sprintf("%t", options.RecordParticipantsOnConnect))
formValues.Set("StatusCallback", options.StatusCallback)
formValues.Set("StatusCallbackMethod", options.StatusCallbackMethod)
formValues.Set("Type", fmt.Sprintf("%s", options.Type))
formValues.Set("UniqueName", options.UniqueName)
formValues.Del("VideoCodecs")
for _, codec := range options.VideoCodecs {
formValues.Add("VideoCodecs", fmt.Sprintf("%v", codec))
}
return formValues
}