mirror of
https://github.com/datarhei/core.git
synced 2025-09-26 20:11:29 +08:00
331 lines
9.6 KiB
Go
331 lines
9.6 KiB
Go
package api
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import (
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"bytes"
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"encoding/json"
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"io"
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"net/http"
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"strings"
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"time"
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"github.com/datarhei/core/v16/http/api"
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"github.com/datarhei/core/v16/http/handler/util"
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"github.com/datarhei/core/v16/playout"
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"github.com/datarhei/core/v16/restream"
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"github.com/labstack/echo/v4"
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)
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// The PlayoutHandler type provides handlers for accessing the playout API of a process
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type PlayoutHandler struct {
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restream restream.Restreamer
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}
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// NewPlayout returns a new Playout type. You have to provide a Restreamer instance.
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func NewPlayout(restream restream.Restreamer) *PlayoutHandler {
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return &PlayoutHandler{
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restream: restream,
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}
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}
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// Status return the current playout status
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// @Summary Get the current playout status
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// @Description Get the current playout status of an input of a process
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// @ID process-3-playout-status
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// @Produce json
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// @Param id path string true "Process ID"
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// @Param inputid path string true "Process Input ID"
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// @Success 200 {object} api.PlayoutStatus
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// @Failure 404 {object} api.Error
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// @Failure 500 {object} api.Error
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// @Security ApiKeyAuth
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// @Router /api/v3/process/{id}/playout/{inputid}/status [get]
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func (h *PlayoutHandler) Status(c echo.Context) error {
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id := util.PathParam(c, "id")
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inputid := util.PathParam(c, "inputid")
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addr, err := h.restream.GetPlayout(id, inputid)
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if err != nil {
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return api.Err(http.StatusNotFound, "Unknown process or input", "%s", err)
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}
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path := "/v1/status"
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response, err := h.request(http.MethodGet, addr, path, "", nil)
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if err != nil {
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return api.Err(http.StatusInternalServerError, "", "%s", err)
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}
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defer response.Body.Close()
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// Read the whole response
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data, err := io.ReadAll(response.Body)
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if err != nil {
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return api.Err(http.StatusInternalServerError, "", "%s", err)
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}
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if response.StatusCode == http.StatusOK {
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status := playout.Status{}
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err := json.Unmarshal(data, &status)
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if err != nil {
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return api.Err(http.StatusInternalServerError, "", "%s", err)
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}
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apistatus := api.PlayoutStatus{}
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apistatus.Unmarshal(status)
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return c.JSON(http.StatusOK, apistatus)
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}
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return c.Blob(response.StatusCode, response.Header.Get("content-type"), data)
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}
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// Keyframe returns the last keyframe
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// @Summary Get the last keyframe
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// @Description Get the last keyframe of an input of a process. The extension of the name determines the return type.
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// @ID process-3-playout-keyframe
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// @Produce image/jpeg
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// @Produce image/png
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// @Produce json
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// @Param id path string true "Process ID"
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// @Param inputid path string true "Process Input ID"
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// @Param name path string true "Any filename with an extension of .jpg or .png"
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// @Success 200 {file} byte
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// @Failure 404 {object} api.Error
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// @Failure 500 {object} api.Error
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// @Security ApiKeyAuth
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// @Router /api/v3/process/{id}/playout/{inputid}/keyframe/{name} [get]
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func (h *PlayoutHandler) Keyframe(c echo.Context) error {
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id := util.PathParam(c, "id")
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inputid := util.PathParam(c, "inputid")
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name := util.PathWildcardParam(c)
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addr, err := h.restream.GetPlayout(id, inputid)
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if err != nil {
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return api.Err(http.StatusNotFound, "Unknown process or input", "%s", err)
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}
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path := "/v1/keyframe/last."
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if strings.HasSuffix(name, ".png") {
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path = path + "png"
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} else {
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path = path + "jpg"
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}
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response, err := h.request(http.MethodGet, addr, path, "", nil)
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if err != nil {
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return api.Err(http.StatusInternalServerError, "", "%s", err)
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}
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defer response.Body.Close()
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// Read the whole response
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data, err := io.ReadAll(response.Body)
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if err != nil {
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return api.Err(http.StatusInternalServerError, "", "%s", err)
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}
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return c.Blob(response.StatusCode, response.Header.Get("content-type"), data)
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}
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// EncodeErrorframe encodes the errorframe
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// @Summary Encode the errorframe
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// @Description Immediately encode the errorframe (if available and looping)
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// @ID process-3-playout-errorframencode
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// @Produce text/plain
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// @Produce json
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// @Param id path string true "Process ID"
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// @Param inputid path string true "Process Input ID"
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// @Success 204 {string} string
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// @Failure 404 {object} api.Error
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// @Failure 500 {object} api.Error
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// @Security ApiKeyAuth
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// @Router /api/v3/process/{id}/playout/{inputid}/errorframe/encode [get]
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func (h *PlayoutHandler) EncodeErrorframe(c echo.Context) error {
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id := util.PathParam(c, "id")
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inputid := util.PathParam(c, "inputid")
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addr, err := h.restream.GetPlayout(id, inputid)
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if err != nil {
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return api.Err(http.StatusNotFound, "Unknown process or input", "%s", err)
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}
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path := "/v1/errorframe/encode"
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response, err := h.request(http.MethodGet, addr, path, "", nil)
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if err != nil {
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return api.Err(http.StatusInternalServerError, "", "%s", err)
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}
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defer response.Body.Close()
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// Read the whole response
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data, err := io.ReadAll(response.Body)
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if err != nil {
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return api.Err(http.StatusInternalServerError, "", "%s", err)
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}
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return c.Blob(response.StatusCode, response.Header.Get("content-type"), data)
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}
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// SetErrorframe sets an errorframe
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// @Summary Upload an error frame
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// @Description Upload an error frame which will be encoded immediately
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// @ID process-3-playout-errorframe
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// @Produce text/plain
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// @Produce json
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// @Accept application/octet-stream
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// @Param id path string true "Process ID"
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// @Param inputid path string true "Process Input ID"
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// @Param name path string true "Any filename with a suitable extension"
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// @Param image body []byte true "Image to be used a error frame"
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// @Success 204 {string} string
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// @Failure 404 {object} api.Error
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// @Failure 500 {object} api.Error
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// @Security ApiKeyAuth
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// @Router /api/v3/process/{id}/playout/{inputid}/errorframe/{name} [post]
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func (h *PlayoutHandler) SetErrorframe(c echo.Context) error {
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id := util.PathParam(c, "id")
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inputid := util.PathParam(c, "inputid")
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addr, err := h.restream.GetPlayout(id, inputid)
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if err != nil {
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return api.Err(http.StatusNotFound, "Unknown process or input", "%s", err)
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}
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data, err := io.ReadAll(c.Request().Body)
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if err != nil {
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return api.Err(http.StatusBadRequest, "Failed to read request body", "%s", err)
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}
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path := "/v1/errorframe.jpg"
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response, err := h.request(http.MethodPut, addr, path, "application/octet-stream", data)
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if err != nil {
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return api.Err(http.StatusInternalServerError, "", "%s", err)
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}
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defer response.Body.Close()
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// Read the whole response
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data, err = io.ReadAll(response.Body)
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if err != nil {
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return api.Err(http.StatusInternalServerError, "", "%s", err)
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}
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return c.Blob(response.StatusCode, response.Header.Get("content-type"), data)
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}
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// ReopenInput closes the current input stream
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// @Summary Close the current input stream
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// @Description Close the current input stream such that it will be automatically re-opened
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// @ID process-3-playout-reopen-input
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// @Produce plain
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// @Param id path string true "Process ID"
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// @Param inputid path string true "Process Input ID"
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// @Success 200 {string} string
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// @Failure 404 {object} api.Error
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// @Failure 500 {object} api.Error
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// @Security ApiKeyAuth
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// @Router /api/v3/process/{id}/playout/{inputid}/reopen [get]
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func (h *PlayoutHandler) ReopenInput(c echo.Context) error {
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id := util.PathParam(c, "id")
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inputid := util.PathParam(c, "inputid")
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addr, err := h.restream.GetPlayout(id, inputid)
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if err != nil {
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return api.Err(http.StatusNotFound, "Unknown process or input", "%s", err)
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}
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path := "/v1/reopen"
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response, err := h.request(http.MethodGet, addr, path, "", nil)
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if err != nil {
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return api.Err(http.StatusInternalServerError, "", "%s", err)
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}
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defer response.Body.Close()
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// Read the whole response
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data, err := io.ReadAll(response.Body)
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if err != nil {
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return api.Err(http.StatusInternalServerError, "", "%s", err)
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}
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return c.Blob(response.StatusCode, response.Header.Get("content-type"), data)
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}
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// SetStream replaces the current stream
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// @Summary Switch to a new stream
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// @Description Replace the current stream with the one from the given URL. The switch will only happen if the stream parameters match.
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// @ID process-3-playout-stream
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// @Produce text/plain
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// @Produce json
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// @Accept text/plain
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// @Param id path string true "Process ID"
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// @Param inputid path string true "Process Input ID"
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// @Param url body string true "URL of the new stream"
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// @Success 204 {string} string
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// @Failure 404 {object} api.Error
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// @Failure 500 {object} api.Error
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// @Security ApiKeyAuth
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// @Router /api/v3/process/{id}/playout/{inputid}/stream [put]
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func (h *PlayoutHandler) SetStream(c echo.Context) error {
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id := util.PathParam(c, "id")
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inputid := util.PathParam(c, "inputid")
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addr, err := h.restream.GetPlayout(id, inputid)
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if err != nil {
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return api.Err(http.StatusNotFound, "Unknown process or input", "%s", err)
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}
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data, err := io.ReadAll(c.Request().Body)
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if err != nil {
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return api.Err(http.StatusBadRequest, "Failed to read request body", "%s", err)
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}
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path := "/v1/stream"
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response, err := h.request(http.MethodPut, addr, path, "text/plain", data)
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if err != nil {
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return api.Err(http.StatusInternalServerError, "", "%s", err)
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}
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defer response.Body.Close()
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// Read the whole response
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data, err = io.ReadAll(response.Body)
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if err != nil {
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return api.Err(http.StatusInternalServerError, "", "%s", err)
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}
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return c.Blob(response.StatusCode, response.Header.Get("content-type"), data)
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}
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func (h *PlayoutHandler) request(method, addr, path, contentType string, data []byte) (*http.Response, error) {
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endpoint := "http://" + addr + path
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body := bytes.NewBuffer(data)
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request, err := http.NewRequest(method, endpoint, body)
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if err != nil {
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return nil, err
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}
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request.Header.Set("Content-Type", contentType)
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// Submit the request
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client := &http.Client{
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Timeout: time.Duration(10) * time.Second,
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}
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response, err := client.Do(request)
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if err != nil {
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return nil, err
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}
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return response, nil
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}
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