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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,4 @@ | ||
| package cast | ||
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| const AppMedia = "CC1AD845" | ||
| const AppURL = "5CB45E5A" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,149 @@ | ||
| package controllers | ||
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| import ( | ||
| "encoding/json" | ||
| "errors" | ||
| "fmt" | ||
| "time" | ||
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| "golang.org/x/net/context" | ||
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| "github.com/barnybug/go-cast/api" | ||
| "github.com/barnybug/go-cast/events" | ||
| "github.com/barnybug/go-cast/log" | ||
| "github.com/barnybug/go-cast/net" | ||
| ) | ||
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| type URLController struct { | ||
| interval time.Duration | ||
| channel *net.Channel | ||
| eventsCh chan events.Event | ||
| DestinationID string | ||
| URLSessionID int | ||
| } | ||
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| const NamespaceURL = "urn:x-cast:com.url.cast" | ||
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| var getURLStatus = net.PayloadHeaders{Type: "GET_STATUS"} | ||
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| var commandURLLoad = net.PayloadHeaders{Type: "LOAD"} | ||
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| type LoadURLCommand struct { | ||
| net.PayloadHeaders | ||
| URL string `json:"url"` | ||
| Type string `json:"type"` | ||
| } | ||
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| type URLStatusURL struct { | ||
| ContentId string `json:"contentId"` | ||
| StreamType string `json:"streamType"` | ||
| ContentType string `json:"contentType"` | ||
| Duration float64 `json:"duration"` | ||
| } | ||
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| func NewURLController(conn *net.Connection, eventsCh chan events.Event, sourceId, destinationID string) *URLController { | ||
| controller := &URLController{ | ||
| channel: conn.NewChannel(sourceId, destinationID, NamespaceURL), | ||
| eventsCh: eventsCh, | ||
| DestinationID: destinationID, | ||
| } | ||
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| controller.channel.OnMessage("URL_STATUS", controller.onStatus) | ||
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| return controller | ||
| } | ||
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| func (c *URLController) SetDestinationID(id string) { | ||
| c.channel.DestinationId = id | ||
| c.DestinationID = id | ||
| } | ||
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| func (c *URLController) sendEvent(event events.Event) { | ||
| select { | ||
| case c.eventsCh <- event: | ||
| default: | ||
| log.Printf("Dropped event: %#v", event) | ||
| } | ||
| } | ||
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| func (c *URLController) onStatus(message *api.CastMessage) { | ||
| response, err := c.parseStatus(message) | ||
| if err != nil { | ||
| log.Errorf("Error parsing status: %s", err) | ||
| } | ||
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| for _, status := range response.Status { | ||
| c.sendEvent(*status) | ||
| } | ||
| } | ||
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| func (c *URLController) parseStatus(message *api.CastMessage) (*URLStatusResponse, error) { | ||
| response := &URLStatusResponse{} | ||
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| err := json.Unmarshal([]byte(*message.PayloadUtf8), response) | ||
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| if err != nil { | ||
| return nil, fmt.Errorf("Failed to unmarshal status message:%s - %s", err, *message.PayloadUtf8) | ||
| } | ||
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| for _, status := range response.Status { | ||
| c.URLSessionID = status.URLSessionID | ||
| } | ||
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| return response, nil | ||
| } | ||
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| type URLStatusResponse struct { | ||
| net.PayloadHeaders | ||
| Status []*URLStatus `json:"status,omitempty"` | ||
| } | ||
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| type URLStatus struct { | ||
| net.PayloadHeaders | ||
| URLSessionID int `json:"mediaSessionId"` | ||
| PlaybackRate float64 `json:"playbackRate"` | ||
| PlayerState string `json:"playerState"` | ||
| CurrentTime float64 `json:"currentTime"` | ||
| SupportedURLCommands int `json:"supportedURLCommands"` | ||
| Volume *Volume `json:"volume,omitempty"` | ||
| URL *URLStatusURL `json:"media"` | ||
| CustomData map[string]interface{} `json:"customData"` | ||
| RepeatMode string `json:"repeatMode"` | ||
| IdleReason string `json:"idleReason"` | ||
| } | ||
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| func (c *URLController) Start(ctx context.Context) error { | ||
| _, err := c.GetStatus(ctx) | ||
| return err | ||
| } | ||
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| func (c *URLController) GetStatus(ctx context.Context) (*URLStatusResponse, error) { | ||
| message, err := c.channel.Request(ctx, &getURLStatus) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("Failed to get receiver status: %s", err) | ||
| } | ||
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| return c.parseStatus(message) | ||
| } | ||
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| func (c *URLController) LoadURL(ctx context.Context, url string) (*api.CastMessage, error) { | ||
| message, err := c.channel.Request(ctx, &LoadURLCommand{ | ||
| PayloadHeaders: commandURLLoad, | ||
| URL: url, | ||
| Type: "loc", | ||
| }) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("Failed to send load command: %s", err) | ||
| } | ||
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| response := &net.PayloadHeaders{} | ||
| err = json.Unmarshal([]byte(*message.PayloadUtf8), response) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if response.Type == "LOAD_FAILED" { | ||
| return nil, errors.New("Load URL failed") | ||
| } | ||
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| return message, nil | ||
| } |