diff options
Diffstat (limited to 'bindings/media/media-rygel.c')
-rw-r--r-- | bindings/media/media-rygel.c | 721 |
1 files changed, 0 insertions, 721 deletions
diff --git a/bindings/media/media-rygel.c b/bindings/media/media-rygel.c deleted file mode 100644 index be191921..00000000 --- a/bindings/media/media-rygel.c +++ /dev/null @@ -1,721 +0,0 @@ -/* - * Copyright (C) 2016, 2017 "IoT.bzh" - * Author "Manuel Bachmann" - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#define _GNU_SOURCE -#include <stdio.h> -#include <string.h> - -#include "media-api.h" -#include "media-rygel.h" - -static void _rygel_device_cb (GUPnPControlPoint *, GUPnPDeviceProxy *, gpointer); -static void _rygel_av_transport_cb (GUPnPControlPoint *, GUPnPDeviceProxy *, gpointer); -static void _rygel_content_cb (GUPnPServiceProxy *, GUPnPServiceProxyAction *, gpointer); -static void _rygel_metadata_cb (GUPnPServiceProxy *, GUPnPServiceProxyAction *, gpointer); -static void _rygel_select_cb (GUPnPServiceProxy *, GUPnPServiceProxyAction *, gpointer); -static void _rygel_upload_cb (GUPnPServiceProxy *, GUPnPServiceProxyAction *, gpointer); -static void _rygel_transfer_cb (GUPnPServiceProxy *, GUPnPServiceProxyAction *, gpointer); -static void _rygel_do_cb (GUPnPServiceProxy *, GUPnPServiceProxyAction *, gpointer); - -static unsigned int client_count = 0; -static struct dev_ctx **dev_ctx = NULL; - -/* -------------- MEDIA RYGEL IMPLEMENTATION ---------------- */ - -/* --- PUBLIC FUNCTIONS --- */ - -unsigned char _rygel_init (mediaCtxHandleT *ctx) { - - GMainContext *loop; - GUPnPContext *context; - GUPnPControlPoint *control_point; - gint handler_cb; - struct timeval tv_start, tv_now; - - context = gupnp_context_new (NULL, NULL, 0, NULL); - - control_point = gupnp_control_point_new (context, URN_MEDIA_SERVER); - - handler_cb = g_signal_connect (control_point, "device-proxy-available", - G_CALLBACK (_rygel_device_cb), ctx); - - /* start searching for servers */ - gssdp_resource_browser_set_active (GSSDP_RESOURCE_BROWSER (control_point), TRUE); - - loop = g_main_context_default (); - - /* 5 seconds should be sufficient to find Rygel */ - gettimeofday (&tv_start, NULL); - gettimeofday (&tv_now, NULL); - while (tv_now.tv_sec - tv_start.tv_sec <= 5) { - - g_main_context_iteration (loop, FALSE); - - if (ctx->media_server) - break; - gettimeofday (&tv_now, NULL); - } - /* fail if we found no server */ - if (!ctx->media_server) - return 0; - - /* we have found the server ; stop looking for it... */ - g_signal_handler_disconnect (control_point, handler_cb); - - dev_ctx[client_count]->loop = loop; - dev_ctx[client_count]->context = context; - dev_ctx[client_count]->av_transport = NULL; - dev_ctx[client_count]->state = STOP; - dev_ctx[client_count]->target_state = STOP; - dev_ctx[client_count]->action_args = NULL; - dev_ctx[client_count]->transfer_started = 0; - - client_count++; - - return 1; -} - -void _rygel_free (mediaCtxHandleT *ctx) { - - dev_ctx_T *dev_ctx_c = (dev_ctx_T*)ctx->media_server; - - client_count--; - - g_main_context_unref (dev_ctx_c->loop); - dev_ctx_c->loop = NULL; - dev_ctx_c->context = NULL; - dev_ctx_c->device_info = NULL; - dev_ctx_c->av_transport = NULL; - dev_ctx_c->content_dir = NULL; - dev_ctx_c->content_res = NULL; -} - -json_object* _rygel_list (mediaCtxHandleT *ctx) { - - dev_ctx_T *dev_ctx_c = (dev_ctx_T*)ctx->media_server; - json_object *json_o, *json_a; - char *raw, *start, *end, *id, *title; - int length, i = 0; - - if (!dev_ctx_c) - return NULL; - - raw = _rygel_list_raw (dev_ctx_c, NULL); - if (!raw) - return NULL; - - start = strstr (raw, "<dc:title>"); - if (!start) - return NULL; - - json_o = json_object_new_object (); - json_a = json_object_new_array (); - while (start) { - json_object *json_i, *json_id, *json_title; - - start = strstr (start, "<dc:title>"); - if (!start) break; - end = strstr (start, "</dc:title>"); - start += 10; - length = end - start; - - asprintf (&id, "%02d", i); - - title = (char*) malloc (length+1); - strncpy (title, start, length); - title[length] = '\0'; - - json_i = json_object_new_object (); - json_id = json_object_new_string (id); - json_title = json_object_new_string (title); - json_object_object_add (json_i, "id", json_id); - json_object_object_add (json_i, "title", json_title); - json_object_array_add (json_a, json_i); - - free (id); free (title); - i++; - } - - json_object_object_add (json_o, "list", json_a); - - return json_o; -} - -unsigned char _rygel_select (mediaCtxHandleT *ctx, unsigned int index) { - - dev_ctx_T *dev_ctx_c = (dev_ctx_T*)ctx->media_server; - unsigned int count; - - if (!dev_ctx_c) - return 0; - - if (!_rygel_list_raw (dev_ctx_c, &count) || - index >= count) - return 0; - - if (ctx->index != index) - dev_ctx_c->state = STOP; - - return 1; -} - -unsigned char _rygel_upload (mediaCtxHandleT *ctx, const char *path, void (*oncompletion)(void*,int), void *closure) { - - dev_ctx_T *dev_ctx_c = (dev_ctx_T*)ctx->media_server; - char *raw, *upload_id; - - if (!dev_ctx_c) - return 0; - - raw = _rygel_list_raw (dev_ctx_c, NULL); - if (!raw) - return 0; - - /* for now, we always use the same upload container id */ - upload_id = _rygel_find_upload_id (dev_ctx_c, raw); - - return _rygel_start_uploading (dev_ctx_c, strdup(path), upload_id); -} - -unsigned char _rygel_do (mediaCtxHandleT *ctx, State state, char *args) { - - dev_ctx_T *dev_ctx_c = (dev_ctx_T*)ctx->media_server; - unsigned int index = ctx->index; - unsigned int count; - char *raw, *id, *metadata, *uri; - - if (!dev_ctx_c || dev_ctx_c->state == state) - return 0; - - raw = _rygel_list_raw (dev_ctx_c, &count); - if (!raw || index >= count) - return 0; - - id = _rygel_find_id_for_index (dev_ctx_c, raw, index); - metadata = _rygel_find_metadata_for_id (dev_ctx_c, id); - uri = _rygel_find_uri_for_metadata (dev_ctx_c, metadata); - - return _rygel_start_doing (dev_ctx_c, uri, metadata, state, args); -} - -/* --- LOCAL HELPER FUNCTIONS --- */ - -char* _rygel_list_raw (dev_ctx_T* dev_ctx_c, unsigned int *count) { - - GUPnPServiceProxy *content_dir_proxy; - struct timeval tv_start, tv_now; - - dev_ctx_c->content_res = NULL; - dev_ctx_c->content_num = 0; - content_dir_proxy = GUPNP_SERVICE_PROXY (dev_ctx_c->content_dir); - - gupnp_service_proxy_begin_action (content_dir_proxy, "Browse", _rygel_content_cb, dev_ctx_c, - "ObjectID", G_TYPE_STRING, "Filesystem", - "BrowseFlag", G_TYPE_STRING, "BrowseDirectChildren", - "Filter", G_TYPE_STRING, "@childCount", - "StartingIndex", G_TYPE_UINT, 0, - "RequestedCount", G_TYPE_UINT, 64, - "SortCriteria", G_TYPE_STRING, "", - NULL); - - gettimeofday (&tv_start, NULL); - gettimeofday (&tv_now, NULL); - while (tv_now.tv_sec - tv_start.tv_sec <= 5) { - - g_main_context_iteration (dev_ctx_c->loop, FALSE); - - if (dev_ctx_c->content_res) - break; - gettimeofday (&tv_now, NULL); - } - - if (count) *count = dev_ctx_c->content_num; - return dev_ctx_c->content_res; -} - -char* _rygel_find_upload_id (dev_ctx_T* dev_ctx_c, char *raw) { - - char *found; - char id[33]; - - found = strstr (raw, "parentID=\""); - found += 10; - - /* IDs are 32-bit strings */ - strncpy (id, found, 32); - id[32] = '\0'; - - return strdup (id); -} - -char* _rygel_find_id_for_index (dev_ctx_T* dev_ctx_c, char *raw, unsigned int index) { - - char *found = raw; - char id[33]; - int i; - - for (i = 0; i <= index; i++) { - found = strstr (found, "item id="); - found += 9; - - if (i == index) { - /* IDs are 32-bit strings */ - strncpy (id, found, 32); - id[32] = '\0'; - } - } - - return strdup (id); -} - -char* _rygel_find_metadata_for_id (dev_ctx_T* dev_ctx_c, char *id) { - - GUPnPServiceProxy *content_dir_proxy; - struct timeval tv_start, tv_now; - - dev_ctx_c->content_res = NULL; - - content_dir_proxy = GUPNP_SERVICE_PROXY (dev_ctx_c->content_dir); - - gupnp_service_proxy_begin_action (content_dir_proxy, "Browse", _rygel_metadata_cb, dev_ctx_c, - "ObjectID", G_TYPE_STRING, id, - "BrowseFlag", G_TYPE_STRING, "BrowseMetadata", - "Filter", G_TYPE_STRING, "*", - "StartingIndex", G_TYPE_UINT, 0, - "RequestedCount", G_TYPE_UINT, 0, - "SortCriteria", G_TYPE_STRING, "", - NULL); - - gettimeofday (&tv_start, NULL); - gettimeofday (&tv_now, NULL); - while (tv_now.tv_sec - tv_start.tv_sec <= 5) { - - g_main_context_iteration (dev_ctx_c->loop, FALSE); - - if (dev_ctx_c->content_res) - break; - gettimeofday (&tv_now, NULL); - } - - return dev_ctx_c->content_res; -} - -char* _rygel_find_uri_for_metadata (dev_ctx_T* dev_ctx_c, char *metadata) { - - char *start, *end, *uri = NULL; - int length; - - /* position ourselves after the first "<res " tag */ - start = strstr (metadata, "<res "); - - while (start) { - start = strstr (start, "http://"); - if (!start) break; - end = strstr (start, "</res>"); - length = end - start; - - - uri = (char *)malloc (length + 1); - strncpy (uri, start, length); - uri[length] = '\0'; - /* if the URI contains "primary_http", it is the main one ; stop here...*/ - if (strstr (uri, "primary_http")) - break; - - free (uri); start = end; - } - - return uri; -} - -char * _rygel_time_for_string (char *string) { - - int total_seconds; - unsigned int hours, minutes, seconds; - char *time; - - total_seconds = atoi (string); - hours = total_seconds / 3600; - minutes = (total_seconds / 60) - (hours * 60); - seconds = total_seconds - (hours * 3600) - (minutes * 60); - - asprintf (&time, "%u:%02u:%02u", hours, minutes, seconds); - - return time; -} - -unsigned char _rygel_start_uploading (dev_ctx_T* dev_ctx_c, char *path, char *upload_id) { - - GUPnPServiceProxy *content_dir_proxy; - GUPnPDIDLLiteWriter *didl_writer; - GUPnPDIDLLiteObject *didl_object; - char *didl, *content_type, *mime_type, *upnp_class; - struct timeval tv_start, tv_now; - - didl_writer = gupnp_didl_lite_writer_new (NULL); - didl_object = GUPNP_DIDL_LITE_OBJECT (gupnp_didl_lite_writer_add_item (didl_writer)); - - /* create the metadata for the file */ - gupnp_didl_lite_object_set_parent_id (didl_object, upload_id); - gupnp_didl_lite_object_set_id (didl_object, ""); - gupnp_didl_lite_object_set_restricted (didl_object, FALSE); - gupnp_didl_lite_object_set_title (didl_object, g_path_get_basename (path)); - /* deduce the UPnP class from the MIME type ("audio/ogg" e.g.) */ - content_type = g_content_type_guess (path, NULL, 0, NULL); - mime_type = g_content_type_get_mime_type (content_type); - if (strstr (mime_type, "audio/")) - upnp_class = strdup ("object.item.audioItem.musicTrack"); - else if (strstr (mime_type, "video/")) - upnp_class = strdup ("object.item.videoItem"); - else if (strstr (mime_type, "image/")) - upnp_class = strdup ("object.item.imageItem"); - else - upnp_class = strdup ("object.item"); - gupnp_didl_lite_object_set_upnp_class (didl_object, upnp_class); - didl = gupnp_didl_lite_writer_get_string (didl_writer); - - dev_ctx_c->transfer_path = path; - dev_ctx_c->transfer_started = 0; - content_dir_proxy = GUPNP_SERVICE_PROXY (dev_ctx_c->content_dir); - - gupnp_service_proxy_begin_action (content_dir_proxy, "CreateObject", _rygel_upload_cb, dev_ctx_c, - "ContainerID", G_TYPE_STRING, upload_id, - "Elements", G_TYPE_STRING, didl, - NULL); - - gettimeofday (&tv_start, NULL); - gettimeofday (&tv_now, NULL); - while (tv_now.tv_sec - tv_start.tv_sec <= 5) { - - g_main_context_iteration (dev_ctx_c->loop, FALSE); - - if (dev_ctx_c->transfer_started) - break; - gettimeofday (&tv_now, NULL); - } - if (!dev_ctx_c->transfer_started) - return 0; - - return 1; -} - -unsigned char _rygel_start_doing (dev_ctx_T* dev_ctx_c, char *uri, char *metadata, State state, char *args) { - - GUPnPServiceProxy *av_transport_proxy; - struct timeval tv_start, tv_now; - - if (!dev_ctx_c->av_transport) { - if (!_rygel_find_av_transport (dev_ctx_c)) - return 0; - } - dev_ctx_c->target_state = state; - dev_ctx_c->action_args = args; - av_transport_proxy = GUPNP_SERVICE_PROXY (dev_ctx_c->av_transport); - - gupnp_service_proxy_begin_action (av_transport_proxy, "SetAVTransportURI", _rygel_select_cb, dev_ctx_c, - "InstanceID", G_TYPE_UINT, 0, - "CurrentURI", G_TYPE_STRING, uri, - "CurrentURIMetaData", G_TYPE_STRING, metadata, - NULL); - - gettimeofday (&tv_start, NULL); - gettimeofday (&tv_now, NULL); - while (tv_now.tv_sec - tv_start.tv_sec <= 5) { - - g_main_context_iteration (dev_ctx_c->loop, FALSE); - - if (dev_ctx_c->state == state) - break; - gettimeofday (&tv_now, NULL); - } - if (dev_ctx_c->state != state) - return 0; - - return 1; -} - -unsigned char _rygel_find_av_transport (dev_ctx_T* dev_ctx_c) { - - GUPnPControlPoint *control_point; - gint handler_cb; - struct timeval tv_start, tv_now; - - control_point = gupnp_control_point_new (dev_ctx_c->context, URN_MEDIA_RENDERER); - - handler_cb = g_signal_connect (control_point, "device-proxy-available", - G_CALLBACK (_rygel_av_transport_cb), dev_ctx_c); - - gssdp_resource_browser_set_active (GSSDP_RESOURCE_BROWSER (control_point), TRUE); - - gettimeofday (&tv_start, NULL); - gettimeofday (&tv_now, NULL); - while (tv_now.tv_sec - tv_start.tv_sec <= 5) { - - g_main_context_iteration (dev_ctx_c->loop, FALSE); - - if (dev_ctx_c->av_transport) - break; - gettimeofday (&tv_now, NULL); - } - g_signal_handler_disconnect (control_point, handler_cb); - - if (!dev_ctx_c->av_transport) - return 0; - - return 1; -} - - - /* ---- LOCAL CALLBACK FUNCTIONS ---- */ - -static void _rygel_device_cb (GUPnPControlPoint *point, GUPnPDeviceProxy *proxy, - gpointer data) { - - mediaCtxHandleT *ctx = (mediaCtxHandleT*)data; - GUPnPDeviceInfo *device_info; - GUPnPServiceInfo *content_dir; - const char *device_name; - - device_info = GUPNP_DEVICE_INFO (proxy); - device_name = gupnp_device_info_get_model_name (device_info); - content_dir = gupnp_device_info_get_service (device_info, URN_CONTENT_DIR); - - if (strcmp (device_name, "Rygel") != 0) - return; - if (!content_dir) - return; - - /* allocate the global array if it has not been not done */ - if (!dev_ctx) - dev_ctx = (dev_ctx_T**) malloc (sizeof(dev_ctx_T)); - else - dev_ctx = (dev_ctx_T**) realloc (dev_ctx, (client_count+1)*sizeof(dev_ctx_T)); - - /* create an element for the client in the global array */ - dev_ctx[client_count] = (dev_ctx_T*) malloc (sizeof(dev_ctx_T)); - dev_ctx[client_count]->device_info = device_info; - dev_ctx[client_count]->content_dir = content_dir; - - /* make the client context aware of it */ - ctx->media_server = (void*)dev_ctx[client_count]; -} - -static void _rygel_av_transport_cb (GUPnPControlPoint *point, GUPnPDeviceProxy *proxy, - gpointer data) { - - dev_ctx_T *dev_ctx_c = (dev_ctx_T*)data; - GUPnPDeviceInfo *device_info; - GUPnPServiceInfo *av_transport; - - device_info = GUPNP_DEVICE_INFO (proxy); - av_transport = gupnp_device_info_get_service (device_info, URN_AV_TRANSPORT); - - dev_ctx_c->av_transport = av_transport; -} - -static void _rygel_content_cb (GUPnPServiceProxy *content_dir, GUPnPServiceProxyAction *action, - gpointer data) { - - dev_ctx_T *dev_ctx_c = (dev_ctx_T*)data; - GUPnPServiceProxy *content_dir_proxy = GUPNP_SERVICE_PROXY (content_dir); - GError *error; - char *result; - guint32 number_returned; - guint32 total_matches; - char *found; - char subid[33]; - - gupnp_service_proxy_end_action (content_dir, action, &error, - "Result", G_TYPE_STRING, &result, - "NumberReturned", G_TYPE_UINT, &number_returned, - "TotalMatches", G_TYPE_UINT, &total_matches, - NULL); - - if (number_returned == 0) - return; - - if (number_returned == 1) { - found = strstr (result, "id=\""); - found += 4; - strncpy (subid, found, 32); subid[32] = '\0'; - - gupnp_service_proxy_begin_action (content_dir_proxy, "Browse", _rygel_content_cb, dev_ctx_c, - "ObjectID", G_TYPE_STRING, subid, - "BrowseFlag", G_TYPE_STRING, "BrowseDirectChildren", - "Filter", G_TYPE_STRING, "@childCount", - "StartingIndex", G_TYPE_UINT, 0, - "RequestedCount", G_TYPE_UINT, 64, - "SortCriteria", G_TYPE_STRING, "", - NULL); - return; - } - - if (number_returned > 1) { - dev_ctx_c->content_res = result; - dev_ctx_c->content_num = number_returned; - } -} - -static void _rygel_metadata_cb (GUPnPServiceProxy *content_dir, GUPnPServiceProxyAction *action, - gpointer data) { - - dev_ctx_T *dev_ctx_c = (dev_ctx_T*)data; - GError *error; - char *result; - - gupnp_service_proxy_end_action (content_dir, action, &error, - "Result", G_TYPE_STRING, &result, - NULL); - - dev_ctx_c->content_res = result; -} - -static void _rygel_select_cb (GUPnPServiceProxy *av_transport, GUPnPServiceProxyAction *action, - gpointer data) -{ - - dev_ctx_T *dev_ctx_c = (dev_ctx_T*)data; - GUPnPServiceProxy *av_transport_proxy; - GError *error; - char *time; - struct timeval tv_start, tv_now; - - av_transport_proxy = GUPNP_SERVICE_PROXY (av_transport); - - gupnp_service_proxy_end_action (av_transport, action, &error, NULL); - - switch (dev_ctx_c->target_state) { - case PLAY: - gupnp_service_proxy_begin_action (av_transport_proxy, "Play", _rygel_do_cb, dev_ctx_c, - "InstanceID", G_TYPE_UINT, 0, - "Speed", G_TYPE_STRING, "1", - NULL); - break; - case PAUSE: - gupnp_service_proxy_begin_action (av_transport_proxy, "Pause", _rygel_do_cb, dev_ctx_c, - "InstanceID", G_TYPE_UINT, 0, - NULL); - break; - case STOP: - gupnp_service_proxy_begin_action (av_transport_proxy, "Stop", _rygel_do_cb, dev_ctx_c, - "InstanceID", G_TYPE_UINT, 0, - NULL); - break; - case SEEK: - time = _rygel_time_for_string (dev_ctx_c->action_args); - gupnp_service_proxy_begin_action (av_transport_proxy, "Seek", _rygel_do_cb, dev_ctx_c, - "InstanceID", G_TYPE_UINT, 0, - "Unit", G_TYPE_STRING, "ABS_TIME", - "Target", G_TYPE_STRING, time, - NULL); - default: - break; - } - - gettimeofday (&tv_start, NULL); - gettimeofday (&tv_now, NULL); - while (tv_now.tv_sec - tv_start.tv_sec <= 5) { - - g_main_context_iteration (dev_ctx_c->loop, FALSE); - - if (dev_ctx_c->state == dev_ctx_c->target_state) - break; - gettimeofday (&tv_now, NULL); - } -} - -static void _rygel_upload_cb (GUPnPServiceProxy *content_dir, GUPnPServiceProxyAction *action, - gpointer data) -{ - dev_ctx_T *dev_ctx_c = (dev_ctx_T*)data; - GUPnPServiceProxy *content_dir_proxy; - GError *error; - char *result, *start, *end, *dst_uri, *src_uri; - int length; - struct timeval tv_start, tv_now; - - content_dir_proxy = GUPNP_SERVICE_PROXY (content_dir); - - if (!gupnp_service_proxy_end_action (content_dir, action, &error, - "Result", G_TYPE_STRING, &result, - NULL)) - return; - - start = strstr (result, "<res importUri=\""); - if (!start) - return; - - start += 16; - end = strstr (start, "\""); - length = end - start; - - dst_uri = (char*) malloc(length+1); - strncpy (dst_uri, start, length); - dst_uri[length] = '\0'; - - asprintf (&src_uri, "http://%s:%u%s", gupnp_context_get_host_ip (dev_ctx_c->context), - gupnp_context_get_port (dev_ctx_c->context), - dev_ctx_c->transfer_path); - - /* host the file */ - gupnp_context_host_path (dev_ctx_c->context, dev_ctx_c->transfer_path, - dev_ctx_c->transfer_path); - - gupnp_service_proxy_begin_action (content_dir_proxy, "ImportResource", _rygel_transfer_cb, dev_ctx_c, - "SourceURI", G_TYPE_STRING, src_uri, - "DestinationURI", G_TYPE_STRING, dst_uri, - NULL); - - gettimeofday (&tv_start, NULL); - gettimeofday (&tv_now, NULL); - while (tv_now.tv_sec - tv_start.tv_sec <= 5) { - - g_main_context_iteration (dev_ctx_c->loop, FALSE); - - if (dev_ctx_c->transfer_started) - break; - gettimeofday (&tv_now, NULL); - } -} - -static void _rygel_transfer_cb (GUPnPServiceProxy *content_dir, GUPnPServiceProxyAction *action, - gpointer data) -{ - dev_ctx_T *dev_ctx_c = (dev_ctx_T*)data; - GError *error; - guint transfer_id; - - if (!gupnp_service_proxy_end_action (content_dir, action, &error, - "TransferID", G_TYPE_UINT, &transfer_id, - NULL)) - return; - - dev_ctx_c->transfer_started = 1; -} - -static void _rygel_do_cb (GUPnPServiceProxy *av_transport, GUPnPServiceProxyAction *action, - gpointer data) -{ - dev_ctx_T *dev_ctx_c = (dev_ctx_T*)data; - GError *error; - - if (!gupnp_service_proxy_end_action (av_transport, action, &error, - NULL)) - return; - - dev_ctx_c->state = dev_ctx_c->target_state; -} |