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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 "webrtc/video_engine/vie_external_codec_impl.h"
#include "webrtc/engine_configurations.h"
#include "webrtc/system_wrappers/interface/logging.h"
#include "webrtc/video_engine/include/vie_errors.h"
#include "webrtc/video_engine/vie_channel.h"
#include "webrtc/video_engine/vie_channel_manager.h"
#include "webrtc/video_engine/vie_encoder.h"
#include "webrtc/video_engine/vie_impl.h"
#include "webrtc/video_engine/vie_shared_data.h"
namespace webrtc {
ViEExternalCodec* ViEExternalCodec::GetInterface(VideoEngine* video_engine) {
#ifdef WEBRTC_VIDEO_ENGINE_EXTERNAL_CODEC_API
if (video_engine == NULL) {
return NULL;
}
VideoEngineImpl* vie_impl = static_cast<VideoEngineImpl*>(video_engine);
ViEExternalCodecImpl* vie_external_codec_impl = vie_impl;
// Increase ref count.
(*vie_external_codec_impl)++;
return vie_external_codec_impl;
#else
return NULL;
#endif
}
int ViEExternalCodecImpl::Release() {
// Decrease ref count.
(*this)--;
int32_t ref_count = GetCount();
if (ref_count < 0) {
LOG(LS_WARNING) << "ViEExternalCodec released too many times.";
shared_data_->SetLastError(kViEAPIDoesNotExist);
return -1;
}
return ref_count;
}
ViEExternalCodecImpl::ViEExternalCodecImpl(ViESharedData* shared_data)
: shared_data_(shared_data) {
}
ViEExternalCodecImpl::~ViEExternalCodecImpl() {
}
int ViEExternalCodecImpl::RegisterExternalSendCodec(const int video_channel,
const unsigned char pl_type,
VideoEncoder* encoder,
bool internal_source) {
assert(encoder != NULL);
LOG(LS_INFO) << "Register external encoder for channel " << video_channel
<< ", pl_type " << static_cast<int>(pl_type)
<< ", internal_source " << internal_source;
ViEChannelManagerScoped cs(*(shared_data_->channel_manager()));
ViEEncoder* vie_encoder = cs.Encoder(video_channel);
if (!vie_encoder) {
shared_data_->SetLastError(kViECodecInvalidArgument);
return -1;
}
if (vie_encoder->RegisterExternalEncoder(encoder, pl_type,
internal_source) != 0) {
shared_data_->SetLastError(kViECodecUnknownError);
return -1;
}
return 0;
}
int ViEExternalCodecImpl::DeRegisterExternalSendCodec(
const int video_channel, const unsigned char pl_type) {
LOG(LS_INFO) << "Deregister external encoder for channel " << video_channel;
ViEChannelManagerScoped cs(*(shared_data_->channel_manager()));
ViEEncoder* vie_encoder = cs.Encoder(video_channel);
if (!vie_encoder) {
shared_data_->SetLastError(kViECodecInvalidArgument);
return -1;
}
if (vie_encoder->DeRegisterExternalEncoder(pl_type) != 0) {
shared_data_->SetLastError(kViECodecUnknownError);
return -1;
}
return 0;
}
int ViEExternalCodecImpl::RegisterExternalReceiveCodec(
const int video_channel,
const unsigned int pl_type,
VideoDecoder* decoder,
bool decoder_render,
int render_delay) {
LOG(LS_INFO) << "Register external decoder for channel " << video_channel
<< ", pl_type " << pl_type
<< ", decoder_render " << decoder_render
<< ", render_delay " << render_delay;
assert(decoder != NULL);
ViEChannelManagerScoped cs(*(shared_data_->channel_manager()));
ViEChannel* vie_channel = cs.Channel(video_channel);
if (!vie_channel) {
shared_data_->SetLastError(kViECodecInvalidArgument);
return -1;
}
if (vie_channel->RegisterExternalDecoder(pl_type, decoder, decoder_render,
render_delay) != 0) {
shared_data_->SetLastError(kViECodecUnknownError);
return -1;
}
return 0;
}
int ViEExternalCodecImpl::DeRegisterExternalReceiveCodec(
const int video_channel, const unsigned char pl_type) {
LOG(LS_INFO) << "DeRegisterExternalReceiveCodec for channel " << video_channel
<< ", pl_type " << pl_type;
ViEChannelManagerScoped cs(*(shared_data_->channel_manager()));
ViEChannel* vie_channel = cs.Channel(video_channel);
if (!vie_channel) {
shared_data_->SetLastError(kViECodecInvalidArgument);
return -1;
}
if (vie_channel->DeRegisterExternalDecoder(pl_type) != 0) {
shared_data_->SetLastError(kViECodecUnknownError);
return -1;
}
return 0;
}
} // namespace webrtc
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