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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/modules/video_coding/main/interface/video_coding.h"
#include "webrtc/modules/video_coding/main/source/generic_decoder.h"
#include "webrtc/modules/video_coding/main/source/internal_defines.h"
#include "webrtc/system_wrappers/interface/clock.h"
#include "webrtc/system_wrappers/interface/logging.h"
namespace webrtc {
VCMDecodedFrameCallback::VCMDecodedFrameCallback(VCMTiming& timing,
Clock* clock)
:
_critSect(CriticalSectionWrapper::CreateCriticalSection()),
_clock(clock),
_receiveCallback(NULL),
_timing(timing),
_timestampMap(kDecoderFrameMemoryLength),
_lastReceivedPictureID(0)
{
}
VCMDecodedFrameCallback::~VCMDecodedFrameCallback()
{
delete _critSect;
}
void VCMDecodedFrameCallback::SetUserReceiveCallback(
VCMReceiveCallback* receiveCallback)
{
CriticalSectionScoped cs(_critSect);
_receiveCallback = receiveCallback;
}
VCMReceiveCallback* VCMDecodedFrameCallback::UserReceiveCallback()
{
CriticalSectionScoped cs(_critSect);
return _receiveCallback;
}
int32_t VCMDecodedFrameCallback::Decoded(I420VideoFrame& decodedImage)
{
// TODO(holmer): We should improve this so that we can handle multiple
// callbacks from one call to Decode().
VCMFrameInformation* frameInfo;
VCMReceiveCallback* callback;
{
CriticalSectionScoped cs(_critSect);
frameInfo = static_cast<VCMFrameInformation*>(
_timestampMap.Pop(decodedImage.timestamp()));
callback = _receiveCallback;
}
if (frameInfo == NULL) {
LOG(LS_WARNING) << "Too many frames backed up in the decoder, dropping "
"this one.";
return WEBRTC_VIDEO_CODEC_OK;
}
_timing.StopDecodeTimer(
decodedImage.timestamp(),
frameInfo->decodeStartTimeMs,
_clock->TimeInMilliseconds(),
frameInfo->renderTimeMs);
if (callback != NULL)
{
decodedImage.set_render_time_ms(frameInfo->renderTimeMs);
callback->FrameToRender(decodedImage);
}
return WEBRTC_VIDEO_CODEC_OK;
}
int32_t
VCMDecodedFrameCallback::ReceivedDecodedReferenceFrame(
const uint64_t pictureId)
{
CriticalSectionScoped cs(_critSect);
if (_receiveCallback != NULL)
{
return _receiveCallback->ReceivedDecodedReferenceFrame(pictureId);
}
return -1;
}
int32_t
VCMDecodedFrameCallback::ReceivedDecodedFrame(const uint64_t pictureId)
{
_lastReceivedPictureID = pictureId;
return 0;
}
uint64_t VCMDecodedFrameCallback::LastReceivedPictureID() const
{
return _lastReceivedPictureID;
}
int32_t VCMDecodedFrameCallback::Map(uint32_t timestamp, VCMFrameInformation* frameInfo)
{
CriticalSectionScoped cs(_critSect);
return _timestampMap.Add(timestamp, frameInfo);
}
int32_t VCMDecodedFrameCallback::Pop(uint32_t timestamp)
{
CriticalSectionScoped cs(_critSect);
if (_timestampMap.Pop(timestamp) == NULL)
{
return VCM_GENERAL_ERROR;
}
return VCM_OK;
}
VCMGenericDecoder::VCMGenericDecoder(VideoDecoder& decoder, bool isExternal)
:
_callback(NULL),
_frameInfos(),
_nextFrameInfoIdx(0),
_decoder(decoder),
_codecType(kVideoCodecUnknown),
_isExternal(isExternal),
_keyFrameDecoded(false)
{
}
VCMGenericDecoder::~VCMGenericDecoder()
{
}
int32_t VCMGenericDecoder::InitDecode(const VideoCodec* settings,
int32_t numberOfCores)
{
_codecType = settings->codecType;
return _decoder.InitDecode(settings, numberOfCores);
}
int32_t VCMGenericDecoder::Decode(const VCMEncodedFrame& frame,
int64_t nowMs)
{
_frameInfos[_nextFrameInfoIdx].decodeStartTimeMs = nowMs;
_frameInfos[_nextFrameInfoIdx].renderTimeMs = frame.RenderTimeMs();
_callback->Map(frame.TimeStamp(), &_frameInfos[_nextFrameInfoIdx]);
_nextFrameInfoIdx = (_nextFrameInfoIdx + 1) % kDecoderFrameMemoryLength;
int32_t ret = _decoder.Decode(frame.EncodedImage(),
frame.MissingFrame(),
frame.FragmentationHeader(),
frame.CodecSpecific(),
frame.RenderTimeMs());
if (ret < WEBRTC_VIDEO_CODEC_OK)
{
LOG(LS_WARNING) << "Failed to decode frame with timestamp "
<< frame.TimeStamp() << ", error code: " << ret;
_callback->Pop(frame.TimeStamp());
return ret;
}
else if (ret == WEBRTC_VIDEO_CODEC_NO_OUTPUT ||
ret == WEBRTC_VIDEO_CODEC_REQUEST_SLI)
{
// No output
_callback->Pop(frame.TimeStamp());
}
return ret;
}
int32_t
VCMGenericDecoder::Release()
{
return _decoder.Release();
}
int32_t VCMGenericDecoder::Reset()
{
return _decoder.Reset();
}
int32_t VCMGenericDecoder::SetCodecConfigParameters(const uint8_t* buffer, int32_t size)
{
return _decoder.SetCodecConfigParameters(buffer, size);
}
int32_t VCMGenericDecoder::RegisterDecodeCompleteCallback(VCMDecodedFrameCallback* callback)
{
_callback = callback;
return _decoder.RegisterDecodeCompleteCallback(callback);
}
bool VCMGenericDecoder::External() const
{
return _isExternal;
}
} // namespace
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