diff options
Diffstat (limited to 'bindings/media')
| -rw-r--r-- | bindings/media/CMakeLists.txt | 18 | ||||
| -rw-r--r-- | bindings/media/export.map | 1 | ||||
| -rw-r--r-- | bindings/media/media-api.c | 331 | ||||
| -rw-r--r-- | bindings/media/media-api.h | 29 | ||||
| -rw-r--r-- | bindings/media/media-rygel.c | 721 | ||||
| -rw-r--r-- | bindings/media/media-rygel.h | 68 |
6 files changed, 1168 insertions, 0 deletions
diff --git a/bindings/media/CMakeLists.txt b/bindings/media/CMakeLists.txt new file mode 100644 index 00000000..2866dfbc --- /dev/null +++ b/bindings/media/CMakeLists.txt @@ -0,0 +1,18 @@ +INCLUDE(FindPkgConfig) +PKG_CHECK_MODULES(gupnp gupnp-1.0 gupnp-av-1.0 gssdp-1.0 gobject-2.0 gio-2.0) + +IF(gupnp_FOUND) + + MESSAGE(STATUS "gupnp found ; will compile Media binding... (binding)") + + INCLUDE_DIRECTORIES( ${include_dirs} ${gupnp_INCLUDE_DIRS}) + ADD_LIBRARY(media-api MODULE media-api.c media-rygel.c) + SET_TARGET_PROPERTIES(media-api PROPERTIES + PREFIX "" + LINK_FLAGS "-Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/export.map" + ) + TARGET_LINK_LIBRARIES(media-api ${link_libraries} ${gupnp_LIBRARIES}) + INSTALL(TARGETS media-api + LIBRARY DESTINATION ${binding_install_dir}) + +ENDIF(gupnp_FOUND) diff --git a/bindings/media/export.map b/bindings/media/export.map new file mode 100644 index 00000000..0ef1ac79 --- /dev/null +++ b/bindings/media/export.map @@ -0,0 +1 @@ +{ global: afbBindingV1Register; local: *; }; diff --git a/bindings/media/media-api.c b/bindings/media/media-api.c new file mode 100644 index 00000000..578d0066 --- /dev/null +++ b/bindings/media/media-api.c @@ -0,0 +1,331 @@ +/* + * Copyright (C) 2016 "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 <string.h> + +#include <json-c/json.h> + +#include "media-api.h" +#include "media-rygel.h" + +#include <afb/afb-plugin.h> +#include <afb/afb-req-itf.h> + +json_object* _rygel_list (mediaCtxHandleT *); + +/* ------ LOCAL HELPER FUNCTIONS --------- */ + +/* private client context creation ; default values */ +static mediaCtxHandleT* initMediaCtx () { + + mediaCtxHandleT *ctx; + + ctx = malloc (sizeof(mediaCtxHandleT)); + ctx->media_server = NULL; + ctx->index = 0; + + return ctx; +} + +/* ------ PUBLIC PLUGIN FUNCTIONS --------- */ + +static void init (struct afb_req request) { /* AFB_SESSION_CHECK */ + + mediaCtxHandleT *ctx = afb_req_context_get(request); + json_object *jresp; + + /* create a private client context */ + if (!ctx) { + ctx = initMediaCtx(); + afb_req_context_set (request, ctx, free); + } + + /* initialize server connection */ + if (!ctx->media_server) + _rygel_init (ctx); + + jresp = json_object_new_object (); + json_object_object_add (jresp, "init", json_object_new_string ("success")); + afb_req_success (request, jresp, "Media - Initialized"); +} + +static void list (struct afb_req request) { /* AFB_SESSION_CHECK */ + + mediaCtxHandleT *ctx = afb_req_context_get(request); + json_object *jresp; + + /* check that context is initialized */ + if (ctx == NULL) { + afb_req_fail (request, "failed", "uninitialized"); + return; + } + + jresp = _rygel_list (ctx); + + if (!jresp) { + afb_req_fail (request, "failed", "no content found in media server"); + return; + } + + afb_req_success (request, jresp, "Media - Listed"); +} + +static void selecting (struct afb_req request) { /* AFB_SESSION_CHECK */ + + mediaCtxHandleT *ctx = afb_req_context_get(request); + const char *value = afb_req_value (request, "value"); + json_object *jresp; + unsigned int index; + char index_str[5]; + + /* check that context is initialized */ + if (ctx == NULL) { + afb_req_fail (request, "failed", "uninitialized"); + return; + } + + /* no "?value=" parameter : return current index */ + if (!value) { + snprintf (index_str, sizeof(index_str), "%d", ctx->index); + jresp = json_object_new_object(); + json_object_object_add (jresp, "index", json_object_new_string (index_str)); + } + + /* "?value=" parameter is negative */ + else if (atoi(value) < 0) { + afb_req_fail (request, "failed", "chosen index cannot be negative"); + return; + } + + /* "?value=" parameter is positive */ + else if (atoi(value) >= 0) { + index = (unsigned int) atoi(value); + + if (!_rygel_select (ctx, index)) { + afb_req_fail (request, "failed", "chosen index superior to current media count"); + return; + } + + ctx->index = index; + jresp = json_object_new_object(); + json_object_object_add (jresp, "index", json_object_new_string (value)); + } + else + jresp = NULL; + + afb_req_success (request, jresp, "Media - Listed"); +} + +static void play (struct afb_req request) { /* AFB_SESSION_CHECK */ + + mediaCtxHandleT *ctx = afb_req_context_get(request); + json_object *jresp; + + /* check that context is initialized */ + if (ctx == NULL) { + afb_req_fail (request, "failed", "uninitialized"); + return; + } + + if (!_rygel_do (ctx, PLAY, NULL)) { + afb_req_fail (request, "failed", "could not play chosen media"); + return; + } + + jresp = json_object_new_object (); + json_object_object_add (jresp, "play", json_object_new_string ("success")); + afb_req_success (request, jresp, "Media - Listed"); +} + +static void stop (struct afb_req request) { /* AFB_SESSION_CHECK */ + + mediaCtxHandleT *ctx = afb_req_context_get(request); + json_object *jresp; + + /* check that context is initialized */ + if (ctx == NULL) { + afb_req_fail (request, "failed", "uninitialized"); + return; + } + + if (!_rygel_do (ctx, STOP, NULL)) { + afb_req_fail (request, "failed", "could not stop chosen media"); + return; + } + + jresp = json_object_new_object (); + json_object_object_add (jresp, "stop", json_object_new_string ("success")); + afb_req_success (request, jresp, "Media - Stopped"); +} + +static void pausing (struct afb_req request) { /* AFB_SESSION_CHECK */ + + mediaCtxHandleT *ctx = afb_req_context_get(request); + json_object *jresp; + + /* check that context is initialized */ + if (ctx == NULL) { + afb_req_fail (request, "failed", "uninitialized"); + return; + } + + if (!_rygel_do (ctx, PAUSE, NULL)) { + afb_req_fail (request, "failed", "could not pause chosen media"); + return; + } + + jresp = json_object_new_object(); + json_object_object_add (jresp, "pause", json_object_new_string ("success")); + afb_req_success (request, jresp, "Media - Paused"); +} + +static void seek (struct afb_req request) { /* AFB_SESSION_CHECK */ + + mediaCtxHandleT *ctx = afb_req_context_get(request); + const char *value = afb_req_value (request, "value"); + json_object *jresp; + + /* check that context is initialized */ + if (ctx == NULL) { + afb_req_fail (request, "failed", "uninitialized"); + return; + } + + /* no "?value=" parameter : return error */ + if (!value) { + afb_req_fail (request, "failed", "you must provide a time"); + return; + } + + if (!_rygel_do (ctx, SEEK, (char *)value)) { + afb_req_fail (request, "failed", "could not seek chosen media"); + return; + } + + jresp = json_object_new_object(); + json_object_object_add (jresp, "seek", json_object_new_string ("success")); + afb_req_success (request, jresp, "Media - Sought"); +} + +static char *renamed_filename(struct afb_arg argfile) +{ + char *result; + const char *e = strrchr(argfile.path, '/'); + if (e == NULL) + result = strdup(argfile.value); + else { + result = malloc((++e - argfile.path) + strlen(argfile.value) + 1); + if (result != NULL) + strcpy(stpncpy(result, argfile.path, e - argfile.path), argfile.value); + } + return result; +} + +static void on_uploaded(struct afb_req *prequest, int status) +{ + struct afb_req request = afb_req_unstore(prequest); + struct afb_arg argfile = afb_req_get(request, "file-upload"); + char *file = renamed_filename(argfile); + if (file != NULL) + unlink(file); + free(file); + if (status) + afb_req_fail (request, "failed", "expected file not received"); + else + afb_req_success_f (request, NULL, "uploaded file %s", argfile.value); + afb_req_unref(request); +} + +static void upload (struct afb_req request) { /* AFB_SESSION_CHECK */ + + mediaCtxHandleT *ctx = afb_req_context_get(request); + struct afb_req *prequest; + struct afb_arg argfile; + char *path; + + /* check that context is initialized */ + if (ctx == NULL) { + afb_req_fail (request, "failed", "uninitialized"); + return; + } + + /* get the file */ + argfile = afb_req_get(request, "file-upload"); + if (!argfile.value || !argfile.path) { + afb_req_fail (request, "failed", "expected file not received"); + return; + } + + /* rename the file */ + path = renamed_filename(argfile); + if (path == NULL) { + afb_req_fail (request, "failed", "out of memory"); + return; + } + if (rename(argfile.path, path) != 0) { + free(path); + afb_req_fail (request, "failed", "system error"); + return; + } + + /* for asynchronous processing */ + prequest = afb_req_store(request); + if (path == NULL) { + unlink(path); + afb_req_fail (request, "failed", "out of memory"); + } + else if (!_rygel_upload (ctx, path, (void*)on_uploaded, prequest)) { + afb_req_unref(afb_req_unstore(prequest)); + unlink(path); + afb_req_fail (request, "failed", "Error when uploading file to media server... could not complete"); + } + free(path); +} + +static void ping (struct afb_req request) { /* AFB_SESSION_NONE */ + afb_req_success (request, NULL, "Media - Ping succeeded"); +} + + +static const struct AFB_verb_desc_v1 verbs[]= { + {"init" , AFB_SESSION_CHECK, init , "Media API - init" }, + {"list" , AFB_SESSION_CHECK, list , "Media API - list" }, + {"select" , AFB_SESSION_CHECK, selecting , "Media API - select" }, + {"play" , AFB_SESSION_CHECK, play , "Media API - play" }, + {"stop" , AFB_SESSION_CHECK, stop , "Media API - stop" }, + {"pause" , AFB_SESSION_CHECK, pausing , "Media API - pause" }, + {"seek" , AFB_SESSION_CHECK, seek , "Media API - seek" }, +// {"upload" , AFB_SESSION_CHECK, upload , "Media API - upload" }, + {"ping" , AFB_SESSION_NONE, ping , "Media API - ping" }, + {NULL} +}; + +static const struct AFB_plugin pluginDesc = { + .type = AFB_PLUGIN_VERSION_1, + .v1 = { + .info = "Application Framework Binder - Media plugin", + .prefix = "media", + .verbs = verbs + } +}; + +const struct AFB_plugin *pluginAfbV1Register (const struct AFB_interface *itf) +{ + return &pluginDesc; +} diff --git a/bindings/media/media-api.h b/bindings/media/media-api.h new file mode 100644 index 00000000..c1d764c2 --- /dev/null +++ b/bindings/media/media-api.h @@ -0,0 +1,29 @@ +/* + * Copyright (C) 2016 "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. + */ + +#ifndef MEDIA_API_H +#define MEDIA_API_H + +/* -------------- PLUGIN DEFINITIONS ----------------- */ + +/* private client context [will be destroyed when client leaves] */ +typedef struct { + void *media_server; /* handle to implementation (Rygel...) */ + unsigned int index; /* currently selected media file */ +} mediaCtxHandleT; + +#endif /* MEDIA_API_H */ diff --git a/bindings/media/media-rygel.c b/bindings/media/media-rygel.c new file mode 100644 index 00000000..00327795 --- /dev/null +++ b/bindings/media/media-rygel.c @@ -0,0 +1,721 @@ +/* + * Copyright (C) 2016 "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; +} diff --git a/bindings/media/media-rygel.h b/bindings/media/media-rygel.h new file mode 100644 index 00000000..951c6b89 --- /dev/null +++ b/bindings/media/media-rygel.h @@ -0,0 +1,68 @@ +/* + * Copyright (C) 2016 "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. + */ + +#ifndef MEDIA_RYGEL_H +#define MEDIA_RYGEL_H + +/* --------------- MEDIA RYGEL DEFINITIONS ------------------ */ + +#include <sys/time.h> +#include <json-c/json.h> +#include <libgupnp/gupnp-control-point.h> +#include <libgupnp-av/gupnp-av.h> + +#include "media-api.h" + +#define URN_MEDIA_SERVER "urn:schemas-upnp-org:device:MediaServer:1" +#define URN_MEDIA_RENDERER "urn:schemas-upnp-org:device:MediaRenderer:1" +#define URN_CONTENT_DIR "urn:schemas-upnp-org:service:ContentDirectory" +#define URN_AV_TRANSPORT "urn:schemas-upnp-org:service:AVTransport" + +typedef enum { PLAY, PAUSE, STOP, SEEK } State; +typedef struct dev_ctx dev_ctx_T; + +struct dev_ctx { + GMainContext *loop; + GUPnPContext *context; + GUPnPDeviceInfo *device_info; + GUPnPServiceInfo *content_dir; + GUPnPServiceInfo *av_transport; + char *content_res; + int content_num; + State state; + State target_state; + char *action_args; + char *transfer_path; + unsigned char transfer_started; +}; + +unsigned char _rygel_init (mediaCtxHandleT *); +void _rygel_free (mediaCtxHandleT *); +json_object* _rygel_list (mediaCtxHandleT *); +unsigned char _rygel_select (mediaCtxHandleT *, unsigned int); +unsigned char _rygel_upload (mediaCtxHandleT *ctx, const char *path, void (*oncompletion)(void*,int), void *closure); +unsigned char _rygel_do (mediaCtxHandleT *, State, char *); + +char* _rygel_list_raw (dev_ctx_T *, unsigned int *); +char* _rygel_find_upload_id (dev_ctx_T *, char *); +char* _rygel_find_id_for_index (dev_ctx_T *, char *, unsigned int); +char* _rygel_find_metadata_for_id (dev_ctx_T *, char *); +char* _rygel_find_uri_for_metadata (dev_ctx_T *, char *); +unsigned char _rygel_start_uploading (dev_ctx_T *, char *, char *); +unsigned char _rygel_start_doing (dev_ctx_T *, char *, char *, State, char *); +unsigned char _rygel_find_av_transport (dev_ctx_T *); +#endif /* MEDIA_RYGEL_H */ |