diff options
Diffstat (limited to 'plugins/media/media-rygel.c')
-rw-r--r-- | plugins/media/media-rygel.c | 339 |
1 files changed, 326 insertions, 13 deletions
diff --git a/plugins/media/media-rygel.c b/plugins/media/media-rygel.c index 0af1f4ad..3ad008ef 100644 --- a/plugins/media/media-rygel.c +++ b/plugins/media/media-rygel.c @@ -27,6 +27,7 @@ PUBLIC 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); @@ -54,14 +55,20 @@ PUBLIC unsigned char _rygel_init (mediaCtxHandleT *ctx) { } /* fail if we found no server */ if (!ctx->media_server) - return -1; + 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; client_count++; - return 0; + return 1; } PUBLIC void _rygel_free (mediaCtxHandleT *ctx) { @@ -74,21 +81,95 @@ PUBLIC void _rygel_free (mediaCtxHandleT *ctx) { 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; - if (dev_ctx_c->content_res) - free (dev_ctx_c->content_res); dev_ctx_c->content_res = NULL; } PUBLIC char* _rygel_list (mediaCtxHandleT *ctx) { dev_ctx_T *dev_ctx_c = (dev_ctx_T*)ctx->media_server; + char *raw, *start, *end, *title, *result = NULL; + int length, i = 0; + + if (!dev_ctx_c) + return NULL; + + raw = _rygel_list_raw (dev_ctx_c, NULL); + + if (raw) { + start = strstr (raw, "<dc:title>"); + if (!start) return NULL; + + result = strdup(""); + + while (start) { + start = strstr (start, "<dc:title>"); + if (!start) break; + end = strstr (start, "</dc:title>"); + start += 10; length = end - start; + + title = (char*) malloc (length+1); + strncpy (title, start, length); + title[length] = '\0'; + + asprintf (&result, "%s%02d:%s::", result, i, title); + + free (title); i++; + } + } + + return result; +} + +PUBLIC unsigned char _rygel_choose (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; +} + +PUBLIC unsigned char _rygel_do (mediaCtxHandleT *ctx, State state) { + + 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); +} + +/* --- LOCAL HELPER FUNCTIONS --- */ + +STATIC char* _rygel_list_raw (dev_ctx_T* dev_ctx_c, unsigned int *count) { + GUPnPServiceProxy *content_dir_proxy; struct timeval tv_start, tv_now; - if (dev_ctx_c->content_res) - free (dev_ctx_c->content_res); dev_ctx_c->content_res = NULL; + dev_ctx_c->content_num = 0; content_dir_proxy = GUPNP_SERVICE_PROXY (dev_ctx_c->content_dir); @@ -112,13 +193,161 @@ PUBLIC char* _rygel_list (mediaCtxHandleT *ctx) { gettimeofday (&tv_now, NULL); } + if (count) *count = dev_ctx_c->content_num; return dev_ctx_c->content_res; } +STATIC 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 numbers */ + strncpy (id, found, 32); + id[32] = '\0'; + } + } + + return strdup(id); +} + +STATIC 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; +} + +STATIC 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; +} + +STATIC unsigned char _rygel_start_doing (dev_ctx_T* dev_ctx_c, char *uri, char *metadata, State state) { + + 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; + + 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; +} + +STATIC 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) { + gpointer data) { mediaCtxHandleT *ctx = (mediaCtxHandleT*)data; GUPnPDeviceInfo *device_info; @@ -134,9 +363,6 @@ STATIC void _rygel_device_cb (GUPnPControlPoint *point, GUPnPDeviceProxy *proxy, if (!content_dir) return; - /* we have found Rygel ; stop looking for it... */ - g_signal_handler_disconnect (point, handler_cb); - /* allocate the global array if it has not been not done */ if (!dev_ctx) dev_ctx = (dev_ctx_T**) malloc (sizeof(dev_ctx_T)); @@ -152,8 +378,21 @@ STATIC void _rygel_device_cb (GUPnPControlPoint *point, GUPnPDeviceProxy *proxy, 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) { + gpointer data) { dev_ctx_T *dev_ctx_c = (dev_ctx_T*)data; GUPnPServiceProxy *content_dir_proxy = GUPNP_SERVICE_PROXY (content_dir); @@ -189,6 +428,80 @@ STATIC void _rygel_content_cb (GUPnPServiceProxy *content_dir, GUPnPServiceProxy return; } - if (number_returned > 1) - dev_ctx_c->content_res = strdup (result); + 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; + 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; + 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_do_cb (GUPnPServiceProxy *av_transport, GUPnPServiceProxyAction *action, + gpointer data) +{ + dev_ctx_T *dev_ctx_c = (dev_ctx_T*)data; + GError *error; + + gupnp_service_proxy_end_action (av_transport, action, &error, + NULL); + + dev_ctx_c->state = dev_ctx_c->target_state; } |