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/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "video_engine/vie_impl.h"
#if (defined(WIN32_) || defined(WIN64_))
#include <Windows.h> // For LoadLibrary.
#include <tchar.h> // For T_.
#endif
#include "system_wrappers/interface/trace.h"
#ifdef WEBRTC_ANDROID
#include "webrtc/modules/video_capture/include/video_capture_factory.h"
#include "webrtc/modules/video_render/include/video_render.h"
#endif
// Global counter to get an id for each new ViE instance.
static WebRtc_Word32 g_vie_active_instance_counter = 0;
namespace webrtc {
// extern "C" ensures that GetProcAddress() can find the function address.
extern "C" {
VideoEngine* GetVideoEngine() {
VideoEngineImpl* self = new VideoEngineImpl();
if (!self) {
return NULL;
}
g_vie_active_instance_counter++;
VideoEngine* vie = reinterpret_cast<VideoEngine*>(self);
return vie;
}
}
VideoEngine* VideoEngine::Create() {
#if (defined(WIN32_) || defined(WIN64_))
// Load a debug dll, if there is one.
HMODULE hmod_ = LoadLibrary(TEXT("VideoEngineTestingDLL.dll"));
if (hmod_) {
typedef VideoEngine* (*PFNGetVideoEngineLib)(void);
PFNGetVideoEngineLib pfn =
(PFNGetVideoEngineLib)GetProcAddress(hmod_, "GetVideoEngine");
if (pfn) {
VideoEngine* self = pfn();
return self;
} else {
assert(false && "Failed to open test dll VideoEngineTestingDLL.dll");
return NULL;
}
}
#endif
return GetVideoEngine();
}
bool VideoEngine::Delete(VideoEngine*& video_engine) {
if (!video_engine) {
WEBRTC_TRACE(kTraceError, kTraceVideo, g_vie_active_instance_counter,
"VideoEngine::Delete - No argument");
return false;
}
WEBRTC_TRACE(kTraceApiCall, kTraceVideo, g_vie_active_instance_counter,
"VideoEngine::Delete(vie = 0x%p)", video_engine);
VideoEngineImpl* vie_impl = reinterpret_cast<VideoEngineImpl*>(video_engine);
// Check all reference counters.
ViEBaseImpl* vie_base = vie_impl;
if (vie_base->GetCount() > 0) {
WEBRTC_TRACE(kTraceError, kTraceVideo, g_vie_active_instance_counter,
"ViEBase ref count: %d", vie_base->GetCount());
return false;
}
#ifdef WEBRTC_VIDEO_ENGINE_CAPTURE_API
ViECaptureImpl* vie_capture = vie_impl;
if (vie_capture->GetCount() > 0) {
WEBRTC_TRACE(kTraceError, kTraceVideo, g_vie_active_instance_counter,
"ViECapture ref count: %d", vie_capture->GetCount());
return false;
}
#endif
#ifdef WEBRTC_VIDEO_ENGINE_CODEC_API
ViECodecImpl* vie_codec = vie_impl;
if (vie_codec->GetCount() > 0) {
WEBRTC_TRACE(kTraceError, kTraceVideo, g_vie_active_instance_counter,
"ViECodec ref count: %d", vie_codec->GetCount());
return false;
}
#endif
#ifdef WEBRTC_VIDEO_ENGINE_ENCRYPTION_API
ViEEncryptionImpl* vie_encryption = vie_impl;
if (vie_encryption->GetCount() > 0) {
WEBRTC_TRACE(kTraceError, kTraceVideo, g_vie_active_instance_counter,
"ViEEncryption ref count: %d", vie_encryption->GetCount());
return false;
}
#endif
#ifdef WEBRTC_VIDEO_ENGINE_EXTERNAL_CODEC_API
ViEExternalCodecImpl* vie_external_codec = vie_impl;
if (vie_external_codec->GetCount() > 0) {
WEBRTC_TRACE(kTraceError, kTraceVideo, g_vie_active_instance_counter,
"ViEEncryption ref count: %d", vie_encryption->GetCount());
return false;
}
#endif
#ifdef WEBRTC_VIDEO_ENGINE_FILE_API
ViEFileImpl* vie_file = vie_impl;
if (vie_file->GetCount() > 0) {
WEBRTC_TRACE(kTraceError, kTraceVideo, g_vie_active_instance_counter,
"ViEFile ref count: %d", vie_file->GetCount());
return false;
}
#endif
#ifdef WEBRTC_VIDEO_ENGINE_IMAGE_PROCESS_API
ViEImageProcessImpl* vie_image_process = vie_impl;
if (vie_image_process->GetCount() > 0) {
WEBRTC_TRACE(kTraceError, kTraceVideo, g_vie_active_instance_counter,
"ViEImageProcess ref count: %d",
vie_image_process->GetCount());
return false;
}
#endif
#ifdef WEBRTC_VIDEO_ENGINE_NETWORK_API
ViENetworkImpl* vie_network = vie_impl;
if (vie_network->GetCount() > 0) {
WEBRTC_TRACE(kTraceError, kTraceVideo, g_vie_active_instance_counter,
"ViENetwork ref count: %d", vie_network->GetCount());
return false;
}
#endif
#ifdef WEBRTC_VIDEO_ENGINE_RENDER_API
ViERenderImpl* vie_render = vie_impl;
if (vie_render->GetCount() > 0) {
WEBRTC_TRACE(kTraceError, kTraceVideo, g_vie_active_instance_counter,
"ViERender ref count: %d", vie_render->GetCount());
return false;
}
#endif
#ifdef WEBRTC_VIDEO_ENGINE_RTP_RTCP_API
ViERTP_RTCPImpl* vie_rtp_rtcp = vie_impl;
if (vie_rtp_rtcp->GetCount() > 0) {
WEBRTC_TRACE(kTraceError, kTraceVideo, g_vie_active_instance_counter,
"ViERTP_RTCP ref count: %d", vie_rtp_rtcp->GetCount());
return false;
}
#endif
delete vie_impl;
vie_impl = NULL;
video_engine = NULL;
// Decrease the number of instances.
g_vie_active_instance_counter--;
WEBRTC_TRACE(kTraceInfo, kTraceVideo, g_vie_active_instance_counter,
"%s: instance deleted. Remaining instances: %d", __FUNCTION__,
g_vie_active_instance_counter);
return true;
}
int VideoEngine::SetTraceFile(const char* file_nameUTF8,
const bool add_file_counter) {
if (!file_nameUTF8) {
return -1;
}
if (Trace::SetTraceFile(file_nameUTF8, add_file_counter) == -1) {
return -1;
}
WEBRTC_TRACE(kTraceApiCall, kTraceVideo, g_vie_active_instance_counter,
"SetTraceFileName(file_nameUTF8 = %s, add_file_counter = %d",
file_nameUTF8, add_file_counter);
return 0;
}
int VideoEngine::SetTraceFilter(const unsigned int filter) {
WebRtc_UWord32 old_filter = 0;
Trace::LevelFilter(old_filter);
if (filter == kTraceNone && old_filter != kTraceNone) {
// Do the logging before turning it off.
WEBRTC_TRACE(kTraceApiCall, kTraceVideo, g_vie_active_instance_counter,
"SetTraceFilter(filter = 0x%x)", filter);
}
WebRtc_Word32 error = Trace::SetLevelFilter(filter);
WEBRTC_TRACE(kTraceApiCall, kTraceVideo, g_vie_active_instance_counter,
"SetTraceFilter(filter = 0x%x)", filter);
if (error != 0) {
WEBRTC_TRACE(kTraceError, kTraceVideo, g_vie_active_instance_counter,
"SetTraceFilter error: %d", error);
return -1;
}
return 0;
}
int VideoEngine::SetTraceCallback(TraceCallback* callback) {
WEBRTC_TRACE(kTraceApiCall, kTraceVideo, g_vie_active_instance_counter,
"SetTraceCallback(TraceCallback = 0x%p)", callback);
return Trace::SetTraceCallback(callback);
}
int VideoEngine::SetAndroidObjects(void* javaVM, void* javaContext) {
WEBRTC_TRACE(kTraceApiCall, kTraceVideo, g_vie_active_instance_counter,
"SetAndroidObjects()");
#if defined(WEBRTC_ANDROID) && !defined(WEBRTC_CHROMIUM_BUILD)
if (SetCaptureAndroidVM(javaVM, javaContext) != 0) {
WEBRTC_TRACE(kTraceError, kTraceVideo, g_vie_active_instance_counter,
"Could not set capture Android VM");
return -1;
}
if (SetRenderAndroidVM(javaVM) != 0) {
WEBRTC_TRACE(kTraceError, kTraceVideo, g_vie_active_instance_counter,
"Could not set render Android VM");
return -1;
}
return 0;
#else
WEBRTC_TRACE(kTraceError, kTraceVideo, g_vie_active_instance_counter,
"WEBRTC_ANDROID not defined for VideoEngine::SetAndroidObjects");
return -1;
#endif
}
} // namespace webrtc
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