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widevine: Use component updater with the Alloy runtime (fixes issue #3149)

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Widevine CDM binaries will be downloaded on supported platforms shortly after
application startup. Widevine support will then become available within a few
seconds after successful installation on Windows or after the next application
restart on other platforms. The CDM files will be downloaded to a "WidevineCdm"
directory inside the `CefSettings.user_data_path` directory.

Pass the `--disable-component-update` command-line flag to disable Widevine
download and installation. Pass the `--component-updater=fast-update` command-
line flag to force Widevine download immediately after application startup.

See the related issue for additional usage details.
This commit is contained in:
Marshall Greenblatt
2021-08-09 17:18:43 -04:00
parent eaf581e544
commit 240b869db5
45 changed files with 201 additions and 1459 deletions
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71
include/capi/cef_web_plugin_capi.h
View File

@@ -33,7 +33,7 @@
// by hand. See the translator.README.txt file in the tools directory for
// more information.
//
// $hash=f74bf4d33914d56d760f1bf5aadcf2651740c711$
// $hash=f51ad9ffc67d94b9cbfad154e7f224111c2a96fa$
//
#ifndef CEF_INCLUDE_CAPI_CEF_WEB_PLUGIN_CAPI_H_
@@ -129,29 +129,6 @@ typedef struct _cef_web_plugin_unstable_callback_t {
int unstable);
} cef_web_plugin_unstable_callback_t;
///
// Implement this structure to receive notification when CDM registration is
// complete. The functions of this structure will be called on the browser
// process UI thread.
///
typedef struct _cef_register_cdm_callback_t {
///
// Base structure.
///
cef_base_ref_counted_t base;
///
// Method that will be called when CDM registration is complete. |result| will
// be CEF_CDM_REGISTRATION_ERROR_NONE if registration completed successfully.
// Otherwise, |result| and |error_message| will contain additional information
// about why registration failed.
///
void(CEF_CALLBACK* on_cdm_registration_complete)(
struct _cef_register_cdm_callback_t* self,
cef_cdm_registration_error_t result,
const cef_string_t* error_message);
} cef_register_cdm_callback_t;
///
// Visit web plugin information. Can be called on any thread in the browser
// process.
@@ -187,52 +164,6 @@ CEF_EXPORT void cef_is_web_plugin_unstable(
const cef_string_t* path,
cef_web_plugin_unstable_callback_t* callback);
///
// Register the Widevine CDM plugin.
//
// The client application is responsible for downloading an appropriate
// platform-specific CDM binary distribution from Google, extracting the
// contents, and building the required directory structure on the local machine.
// The cef_browser_host_t::StartDownload function and CefZipArchive structure
// can be used to implement this functionality in CEF. Contact Google via
// https://www.widevine.com/contact.html for details on CDM download.
//
// |path| is a directory that must contain the following files:
// 1. manifest.json file from the CDM binary distribution (see below).
// 2. widevinecdm file from the CDM binary distribution (e.g.
// widevinecdm.dll on on Windows, libwidevinecdm.dylib on OS X,
// libwidevinecdm.so on Linux).
//
// If any of these files are missing or if the manifest file has incorrect
// contents the registration will fail and |callback| will receive a |result|
// value of CEF_CDM_REGISTRATION_ERROR_INCORRECT_CONTENTS.
//
// The manifest.json file must contain the following keys:
// A. "os": Supported OS (e.g. "mac", "win" or "linux").
// B. "arch": Supported architecture (e.g. "ia32" or "x64").
// C. "x-cdm-module-versions": Module API version (e.g. "4").
// D. "x-cdm-interface-versions": Interface API version (e.g. "8").
// E. "x-cdm-host-versions": Host API version (e.g. "8").
// F. "version": CDM version (e.g. "1.4.8.903").
// G. "x-cdm-codecs": List of supported codecs (e.g. "vp8,vp09,avc1").
//
// A through E are used to verify compatibility with the current Chromium
// version. If the CDM is not compatible the registration will fail and
// |callback| will receive a |result| value of
// CEF_CDM_REGISTRATION_ERROR_INCOMPATIBLE.
//
// |callback| will be executed asynchronously once registration is complete.
//
// On Linux this function must be called before cef_initialize() and the
// registration cannot be changed during runtime. If registration is not
// supported at the time that cef_register_widevine_cdm() is called then
// |callback| will receive a |result| value of
// CEF_CDM_REGISTRATION_ERROR_NOT_SUPPORTED.
///
CEF_EXPORT void cef_register_widevine_cdm(
const cef_string_t* path,
cef_register_cdm_callback_t* callback);
#ifdef __cplusplus
}
#endif