Re-implement audio capturing based on the AudioService API (fixes issue #2755)

libcef_dll/cpptoc/audio_handler_cpptoc.cc

@@ -0,0 +1,191 @@
+// Copyright (c) 2020 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+//
+// ---------------------------------------------------------------------------
+//
+// This file was generated by the CEF translator tool. If making changes by
+// hand only do so within the body of existing method and function
+// implementations. See the translator.README.txt file in the tools directory
+// for more information.
+//
+// $hash=4568fbb1f264fe9a900784aa3040c406a919ad37$
+//
+
+#include "libcef_dll/cpptoc/audio_handler_cpptoc.h"
+#include "libcef_dll/ctocpp/browser_ctocpp.h"
+#include "libcef_dll/shutdown_checker.h"
+
+namespace {
+
+// MEMBER FUNCTIONS - Body may be edited by hand.
+
+int CEF_CALLBACK
+audio_handler_get_audio_parameters(struct _cef_audio_handler_t* self,
+                                   struct _cef_browser_t* browser,
+                                   cef_audio_parameters_t* params) {
+  shutdown_checker::AssertNotShutdown();
+
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return 0;
+  // Verify param: browser; type: refptr_diff
+  DCHECK(browser);
+  if (!browser)
+    return 0;
+  // Verify param: params; type: simple_byref
+  DCHECK(params);
+  if (!params)
+    return 0;
+
+  // Translate param: params; type: simple_byref
+  CefAudioParameters paramsVal = params ? *params : CefAudioParameters();
+
+  // Execute
+  bool _retval = CefAudioHandlerCppToC::Get(self)->GetAudioParameters(
+      CefBrowserCToCpp::Wrap(browser), paramsVal);
+
+  // Restore param: params; type: simple_byref
+  if (params)
+    *params = paramsVal;
+
+  // Return type: bool
+  return _retval;
+}
+
+void CEF_CALLBACK
+audio_handler_on_audio_stream_started(struct _cef_audio_handler_t* self,
+                                      struct _cef_browser_t* browser,
+                                      const cef_audio_parameters_t* params,
+                                      int channels) {
+  shutdown_checker::AssertNotShutdown();
+
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return;
+  // Verify param: browser; type: refptr_diff
+  DCHECK(browser);
+  if (!browser)
+    return;
+  // Verify param: params; type: simple_byref_const
+  DCHECK(params);
+  if (!params)
+    return;
+
+  // Translate param: params; type: simple_byref_const
+  CefAudioParameters paramsVal = params ? *params : CefAudioParameters();
+
+  // Execute
+  CefAudioHandlerCppToC::Get(self)->OnAudioStreamStarted(
+      CefBrowserCToCpp::Wrap(browser), paramsVal, channels);
+}
+
+void CEF_CALLBACK
+audio_handler_on_audio_stream_packet(struct _cef_audio_handler_t* self,
+                                     struct _cef_browser_t* browser,
+                                     const float** data,
+                                     int frames,
+                                     int64 pts) {
+  shutdown_checker::AssertNotShutdown();
+
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return;
+  // Verify param: browser; type: refptr_diff
+  DCHECK(browser);
+  if (!browser)
+    return;
+  // Verify param: data; type: simple_byaddr
+  DCHECK(data);
+  if (!data)
+    return;
+
+  // Execute
+  CefAudioHandlerCppToC::Get(self)->OnAudioStreamPacket(
+      CefBrowserCToCpp::Wrap(browser), data, frames, pts);
+}
+
+void CEF_CALLBACK
+audio_handler_on_audio_stream_stopped(struct _cef_audio_handler_t* self,
+                                      struct _cef_browser_t* browser) {
+  shutdown_checker::AssertNotShutdown();
+
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return;
+  // Verify param: browser; type: refptr_diff
+  DCHECK(browser);
+  if (!browser)
+    return;
+
+  // Execute
+  CefAudioHandlerCppToC::Get(self)->OnAudioStreamStopped(
+      CefBrowserCToCpp::Wrap(browser));
+}
+
+void CEF_CALLBACK
+audio_handler_on_audio_stream_error(struct _cef_audio_handler_t* self,
+                                    struct _cef_browser_t* browser,
+                                    const cef_string_t* message) {
+  shutdown_checker::AssertNotShutdown();
+
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return;
+  // Verify param: browser; type: refptr_diff
+  DCHECK(browser);
+  if (!browser)
+    return;
+  // Verify param: message; type: string_byref_const
+  DCHECK(message);
+  if (!message)
+    return;
+
+  // Execute
+  CefAudioHandlerCppToC::Get(self)->OnAudioStreamError(
+      CefBrowserCToCpp::Wrap(browser), CefString(message));
+}
+
+}  // namespace
+
+// CONSTRUCTOR - Do not edit by hand.
+
+CefAudioHandlerCppToC::CefAudioHandlerCppToC() {
+  GetStruct()->get_audio_parameters = audio_handler_get_audio_parameters;
+  GetStruct()->on_audio_stream_started = audio_handler_on_audio_stream_started;
+  GetStruct()->on_audio_stream_packet = audio_handler_on_audio_stream_packet;
+  GetStruct()->on_audio_stream_stopped = audio_handler_on_audio_stream_stopped;
+  GetStruct()->on_audio_stream_error = audio_handler_on_audio_stream_error;
+}
+
+// DESTRUCTOR - Do not edit by hand.
+
+CefAudioHandlerCppToC::~CefAudioHandlerCppToC() {
+  shutdown_checker::AssertNotShutdown();
+}
+
+template <>
+CefRefPtr<CefAudioHandler> CefCppToCRefCounted<
+    CefAudioHandlerCppToC,
+    CefAudioHandler,
+    cef_audio_handler_t>::UnwrapDerived(CefWrapperType type,
+                                        cef_audio_handler_t* s) {
+  NOTREACHED() << "Unexpected class type: " << type;
+  return nullptr;
+}
+
+template <>
+CefWrapperType CefCppToCRefCounted<CefAudioHandlerCppToC,
+                                   CefAudioHandler,
+                                   cef_audio_handler_t>::kWrapperType =
+    WT_AUDIO_HANDLER;