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Add support for media device discovery and messaging (fixes issue #2900)

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Chromium supports communication with media devices on the local network via
the Cast and DIAL protocols. This takes two primary forms:

1. Messaging, where strings representing state information are passed between
   the client and a dedicated receiver app on the media device. The receiver
   app communicates directly with an app-specific backend service to retrieve
   and possibly control media playback.
2. Tab/desktop mirroring, where the media contents are streamed directly from
   the browser to a generic streaming app on the media device and playback is
   controlled by the browser.

This change adds support for device discovery and messaging (but not
mirroring) with functionality exposed via the new CefMediaRouter interface.

To test: Navigate to http://tests/media_router in cefclient and follow the
on-screen instructions.
This commit is contained in:
Marshall Greenblatt
2020-03-19 11:34:15 -04:00
parent fecd582035
commit 03fd5b15da
69 changed files with 5402 additions and 33 deletions
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11
libcef_dll/wrapper/libcef_dll_dylib.cc
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@ -9,7 +9,7 @@
// implementations. See the translator.README.txt file in the tools directory
// for more information.
//
// $hash=5e0a3a27b41b550a1dd4985eec9034a6f7c2b7d7$
// $hash=bf82965f02cafae5a1afc80ab0c976436be9712e$
//
#include <dlfcn.h>
@ -23,6 +23,7 @@
#include "include/capi/cef_drag_data_capi.h"
#include "include/capi/cef_file_util_capi.h"
#include "include/capi/cef_image_capi.h"
#include "include/capi/cef_media_router_capi.h"
#include "include/capi/cef_menu_model_capi.h"
#include "include/capi/cef_origin_whitelist_capi.h"
#include "include/capi/cef_parser_capi.h"
@ -201,6 +202,7 @@ typedef struct _cef_cookie_manager_t* (
struct _cef_completion_callback_t*);
typedef struct _cef_drag_data_t* (*cef_drag_data_create_ptr)();
typedef struct _cef_image_t* (*cef_image_create_ptr)();
typedef struct _cef_media_router_t* (*cef_media_router_get_global_ptr)();
typedef struct _cef_menu_model_t* (*cef_menu_model_create_ptr)(
struct _cef_menu_model_delegate_t*);
typedef struct _cef_print_settings_t* (*cef_print_settings_create_ptr)();
@ -575,6 +577,7 @@ struct libcef_pointers {
cef_cookie_manager_get_global_manager;
cef_drag_data_create_ptr cef_drag_data_create;
cef_image_create_ptr cef_image_create;
cef_media_router_get_global_ptr cef_media_router_get_global;
cef_menu_model_create_ptr cef_menu_model_create;
cef_print_settings_create_ptr cef_print_settings_create;
cef_process_message_create_ptr cef_process_message_create;
@ -788,6 +791,7 @@ int libcef_init_pointers(const char* path) {
INIT_ENTRY(cef_cookie_manager_get_global_manager);
INIT_ENTRY(cef_drag_data_create);
INIT_ENTRY(cef_image_create);
INIT_ENTRY(cef_media_router_get_global);
INIT_ENTRY(cef_menu_model_create);
INIT_ENTRY(cef_print_settings_create);
INIT_ENTRY(cef_process_message_create);
@ -1301,6 +1305,11 @@ NO_SANITIZE("cfi-icall") struct _cef_image_t* cef_image_create() {
return g_libcef_pointers.cef_image_create();
}
NO_SANITIZE("cfi-icall")
struct _cef_media_router_t* cef_media_router_get_global() {
return g_libcef_pointers.cef_media_router_get_global();
}
NO_SANITIZE("cfi-icall")
struct _cef_menu_model_t* cef_menu_model_create(
struct _cef_menu_model_delegate_t* delegate) {