Line data Source code
1 : /*
2 : * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
3 : *
4 : * Use of this source code is governed by a BSD-style license
5 : * that can be found in the LICENSE file in the root of the source
6 : * tree. An additional intellectual property rights grant can be found
7 : * in the file PATENTS. All contributing project authors may
8 : * be found in the AUTHORS file in the root of the source tree.
9 : */
10 :
11 : #if defined(WEBRTC_ANDROID)
12 : #include "webrtc/modules/audio_device/android/audio_device_template.h"
13 : #include "webrtc/modules/audio_device/android/audio_record_jni.h"
14 : #include "webrtc/modules/audio_device/android/audio_track_jni.h"
15 : #include "webrtc/modules/utility/include/jvm_android.h"
16 : #endif
17 :
18 : #include "webrtc/base/checks.h"
19 : #include "webrtc/modules/audio_coding/include/audio_coding_module.h"
20 : #include "webrtc/system_wrappers/include/trace.h"
21 : #include "webrtc/voice_engine/channel_proxy.h"
22 : #include "webrtc/voice_engine/voice_engine_impl.h"
23 :
24 : namespace webrtc {
25 :
26 : // Counter to be ensure that we can add a correct ID in all static trace
27 : // methods. It is not the nicest solution, especially not since we already
28 : // have a counter in VoEBaseImpl. In other words, there is room for
29 : // improvement here.
30 : static int32_t gVoiceEngineInstanceCounter = 0;
31 :
32 0 : VoiceEngine* GetVoiceEngine() {
33 0 : VoiceEngineImpl* self = new VoiceEngineImpl();
34 0 : if (self != NULL) {
35 0 : self->AddRef(); // First reference. Released in VoiceEngine::Delete.
36 0 : gVoiceEngineInstanceCounter++;
37 : }
38 0 : return self;
39 : }
40 :
41 0 : int VoiceEngineImpl::AddRef() {
42 0 : return ++_ref_count;
43 : }
44 :
45 : // This implements the Release() method for all the inherited interfaces.
46 0 : int VoiceEngineImpl::Release() {
47 0 : int new_ref = --_ref_count;
48 0 : assert(new_ref >= 0);
49 0 : if (new_ref == 0) {
50 : WEBRTC_TRACE(kTraceApiCall, kTraceVoice, -1,
51 : "VoiceEngineImpl self deleting (voiceEngine=0x%p)", this);
52 :
53 : // Clear any pointers before starting destruction. Otherwise worker-
54 : // threads will still have pointers to a partially destructed object.
55 : // Example: AudioDeviceBuffer::RequestPlayoutData() can access a
56 : // partially deconstructed |_ptrCbAudioTransport| during destruction
57 : // if we don't call Terminate here.
58 0 : Terminate();
59 0 : delete this;
60 : }
61 :
62 0 : return new_ref;
63 : }
64 :
65 0 : std::unique_ptr<voe::ChannelProxy> VoiceEngineImpl::GetChannelProxy(
66 : int channel_id) {
67 0 : RTC_DCHECK(channel_id >= 0);
68 0 : rtc::CritScope cs(crit_sec());
69 0 : RTC_DCHECK(statistics().Initialized());
70 : return std::unique_ptr<voe::ChannelProxy>(
71 0 : new voe::ChannelProxy(channel_manager().GetChannel(channel_id)));
72 : }
73 :
74 0 : VoiceEngine* VoiceEngine::Create() {
75 0 : return GetVoiceEngine();
76 : }
77 :
78 0 : int VoiceEngine::SetTraceFilter(unsigned int filter) {
79 : WEBRTC_TRACE(kTraceApiCall, kTraceVoice,
80 : VoEId(gVoiceEngineInstanceCounter, -1),
81 : "SetTraceFilter(filter=0x%x)", filter);
82 :
83 : // Remember old filter
84 0 : uint32_t oldFilter = Trace::level_filter();
85 0 : Trace::set_level_filter(filter);
86 :
87 : // If previous log was ignored, log again after changing filter
88 : if (kTraceNone == oldFilter) {
89 : WEBRTC_TRACE(kTraceApiCall, kTraceVoice, -1, "SetTraceFilter(filter=0x%x)",
90 : filter);
91 : }
92 :
93 0 : return 0;
94 : }
95 :
96 0 : int VoiceEngine::SetTraceFile(const char* fileNameUTF8, bool addFileCounter) {
97 0 : int ret = Trace::SetTraceFile(fileNameUTF8, addFileCounter);
98 : WEBRTC_TRACE(kTraceApiCall, kTraceVoice,
99 : VoEId(gVoiceEngineInstanceCounter, -1),
100 : "SetTraceFile(fileNameUTF8=%s, addFileCounter=%d)", fileNameUTF8,
101 : addFileCounter);
102 0 : return (ret);
103 : }
104 :
105 0 : int VoiceEngine::SetTraceCallback(TraceCallback* callback) {
106 : WEBRTC_TRACE(kTraceApiCall, kTraceVoice,
107 : VoEId(gVoiceEngineInstanceCounter, -1),
108 : "SetTraceCallback(callback=0x%x)", callback);
109 0 : return (Trace::SetTraceCallback(callback));
110 : }
111 :
112 0 : bool VoiceEngine::Delete(VoiceEngine*& voiceEngine) {
113 0 : if (voiceEngine == NULL)
114 0 : return false;
115 :
116 0 : VoiceEngineImpl* s = static_cast<VoiceEngineImpl*>(voiceEngine);
117 : // Release the reference that was added in GetVoiceEngine.
118 0 : int ref = s->Release();
119 0 : voiceEngine = NULL;
120 :
121 : if (ref != 0) {
122 : WEBRTC_TRACE(
123 : kTraceWarning, kTraceVoice, -1,
124 : "VoiceEngine::Delete did not release the very last reference. "
125 : "%d references remain.",
126 : ref);
127 : }
128 :
129 0 : return true;
130 : }
131 :
132 : #if !defined(WEBRTC_CHROMIUM_BUILD)
133 : // TODO(henrika): change types to JavaVM* and jobject instead of void*.
134 0 : int VoiceEngine::SetAndroidObjects(void* javaVM, void* context) {
135 : #ifdef WEBRTC_ANDROID
136 : webrtc::JVM::Initialize(reinterpret_cast<JavaVM*>(javaVM),
137 : reinterpret_cast<jobject>(context));
138 : return 0;
139 : #else
140 0 : return -1;
141 : #endif
142 : }
143 : #endif
144 :
145 0 : std::string VoiceEngine::GetVersionString() {
146 0 : std::string version = "VoiceEngine 4.1.0";
147 : #ifdef WEBRTC_EXTERNAL_TRANSPORT
148 : version += " (External transport build)";
149 : #endif
150 0 : return version;
151 : }
152 :
153 : } // namespace webrtc
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