Add ability to capture audio output to buffer (issue #2381)

libcef_dll/cpptoc/audio_handler_cpptoc.cc

@@ -0,0 +1,128 @@
+// Copyright (c) 2019 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.
+//
+// $hash=7c55cffaa1094ff7aa49e7efbe8b4780867f6538$
+//
+
+#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.
+
+void CEF_CALLBACK
+audio_handler_on_audio_stream_started(struct _cef_audio_handler_t* self,
+                                      struct _cef_browser_t* browser,
+                                      int audio_stream_id,
+                                      int channels,
+                                      cef_channel_layout_t channel_layout,
+                                      int sample_rate,
+                                      int frames_per_buffer) {
+  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)->OnAudioStreamStarted(
+      CefBrowserCToCpp::Wrap(browser), audio_stream_id, channels,
+      channel_layout, sample_rate, frames_per_buffer);
+}
+
+void CEF_CALLBACK
+audio_handler_on_audio_stream_packet(struct _cef_audio_handler_t* self,
+                                     struct _cef_browser_t* browser,
+                                     int audio_stream_id,
+                                     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), audio_stream_id, data, frames, pts);
+}
+
+void CEF_CALLBACK
+audio_handler_on_audio_stream_stopped(struct _cef_audio_handler_t* self,
+                                      struct _cef_browser_t* browser,
+                                      int audio_stream_id) {
+  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), audio_stream_id);
+}
+
+}  // namespace
+
+// CONSTRUCTOR - Do not edit by hand.
+
+CefAudioHandlerCppToC::CefAudioHandlerCppToC() {
+  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;
+}
+
+// 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 NULL;
+}
+
+template <>
+CefWrapperType CefCppToCRefCounted<CefAudioHandlerCppToC,
+                                   CefAudioHandler,
+                                   cef_audio_handler_t>::kWrapperType =
+    WT_AUDIO_HANDLER;

libcef_dll/cpptoc/audio_handler_cpptoc.h

@@ -0,0 +1,37 @@
+// Copyright (c) 2019 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.
+//
+// $hash=7158e06e5c71ed020f193c698a2fdfd6d0b170c8$
+//
+
+#ifndef CEF_LIBCEF_DLL_CPPTOC_AUDIO_HANDLER_CPPTOC_H_
+#define CEF_LIBCEF_DLL_CPPTOC_AUDIO_HANDLER_CPPTOC_H_
+#pragma once
+
+#if !defined(WRAPPING_CEF_SHARED)
+#error This file can be included wrapper-side only
+#endif
+
+#include "include/capi/cef_audio_handler_capi.h"
+#include "include/cef_audio_handler.h"
+#include "libcef_dll/cpptoc/cpptoc_ref_counted.h"
+
+// Wrap a C++ class with a C structure.
+// This class may be instantiated and accessed wrapper-side only.
+class CefAudioHandlerCppToC : public CefCppToCRefCounted<CefAudioHandlerCppToC,
+                                                         CefAudioHandler,
+                                                         cef_audio_handler_t> {
+ public:
+  CefAudioHandlerCppToC();
+  virtual ~CefAudioHandlerCppToC();
+};
+
+#endif  // CEF_LIBCEF_DLL_CPPTOC_AUDIO_HANDLER_CPPTOC_H_

libcef_dll/cpptoc/client_cpptoc.cc

@@ -9,10 +9,11 @@
 // implementations. See the translator.README.txt file in the tools directory
 // for more information.
 //
-// $hash=0471e5598bd81ceae0416d644bcfed875005a4f8$
+// $hash=47ed1f92a294b94c071f554621484722483c3bd6$
 //
 
 #include "libcef_dll/cpptoc/client_cpptoc.h"
+#include "libcef_dll/cpptoc/audio_handler_cpptoc.h"
 #include "libcef_dll/cpptoc/context_menu_handler_cpptoc.h"
 #include "libcef_dll/cpptoc/dialog_handler_cpptoc.h"
 #include "libcef_dll/cpptoc/display_handler_cpptoc.h"
@@ -33,6 +34,22 @@ namespace {
 
 // MEMBER FUNCTIONS - Body may be edited by hand.
 
+cef_audio_handler_t* CEF_CALLBACK
+client_get_audio_handler(struct _cef_client_t* self) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return NULL;
+
+  // Execute
+  CefRefPtr<CefAudioHandler> _retval =
+      CefClientCppToC::Get(self)->GetAudioHandler();
+
+  // Return type: refptr_same
+  return CefAudioHandlerCppToC::Wrap(_retval);
+}
+
 struct _cef_context_menu_handler_t* CEF_CALLBACK
 client_get_context_menu_handler(struct _cef_client_t* self) {
   // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
@@ -274,6 +291,7 @@ client_on_process_message_received(struct _cef_client_t* self,
 // CONSTRUCTOR - Do not edit by hand.
 
 CefClientCppToC::CefClientCppToC() {
+  GetStruct()->get_audio_handler = client_get_audio_handler;
   GetStruct()->get_context_menu_handler = client_get_context_menu_handler;
   GetStruct()->get_dialog_handler = client_get_dialog_handler;
   GetStruct()->get_display_handler = client_get_display_handler;