void FakeDecoderTask::Run() {
decoder_->Decode_m(frame_, time_);
frame_->Destroy();
}
void Encode_m (GMPVideoi420Frame* frame, SFrameBSInfo* encoded,
GMPVideoFrameType frame_type) {
// Attach a self-destructor so that this dies on return.
SelfDestruct<GMPVideoi420Frame> ifd (frame);
if (!host_) {
return;
}
// Now return the encoded data back to the parent.
GMPVideoFrame* ftmp;
GMPErr err = host_->CreateFrame (kGMPEncodedVideoFrame, &ftmp);
if (err != GMPNoErr) {
GMPLOG (GL_ERROR, "Error creating encoded frame");
return;
}
GMPVideoEncodedFrame* f = static_cast<GMPVideoEncodedFrame*> (ftmp);
// Buffer up the data.
uint32_t length = 0;
std::vector<uint32_t> lengths;
for (int i = 0; i < encoded->iLayerNum; ++i) {
lengths.push_back (0);
uint8_t* tmp = encoded->sLayerInfo[i].pBsBuf;
for (int j = 0; j < encoded->sLayerInfo[i].iNalCount; ++j) {
lengths[i] += encoded->sLayerInfo[i].pNalLengthInByte[j];
// Convert from 4-byte start codes to GMP_BufferLength32 (NAL lengths)
assert (* (reinterpret_cast<uint32_t*> (tmp)) == 0x01000000);
// BufferType32 doesn't include the length of the length itself!
* (reinterpret_cast<uint32_t*> (tmp)) = encoded->sLayerInfo[i].pNalLengthInByte[j] - sizeof (uint32_t);
length += encoded->sLayerInfo[i].pNalLengthInByte[j];
tmp += encoded->sLayerInfo[i].pNalLengthInByte[j];
}
}
err = f->CreateEmptyFrame (length);
if (err != GMPNoErr) {
GMPLOG (GL_ERROR, "Error allocating frame data");
f->Destroy();
return;
}
// Copy the data.
// Here we concatenate into one big buffer
uint8_t* tmp = f->Buffer();
for (int i = 0; i < encoded->iLayerNum; ++i) {
memcpy (tmp, encoded->sLayerInfo[i].pBsBuf, lengths[i]);
tmp += lengths[i];
}
f->SetEncodedWidth (frame->Width());
f->SetEncodedHeight (frame->Height());
f->SetTimeStamp (frame->Timestamp());
f->SetFrameType (frame_type);
f->SetCompleteFrame (true);
f->SetBufferType (GMP_BufferLength32);
GMPLOG (GL_DEBUG, "Encoding complete. type= "
<< f->FrameType()
<< " length="
<< f->Size()
<< " timestamp="
<< f->TimeStamp());
// Return the encoded frame.
GMPCodecSpecificInfo info;
memset (&info, 0, sizeof (info)); // shouldn't be needed, we init everything
info.mCodecType = kGMPVideoCodecH264;
info.mBufferType = GMP_BufferLength32;
info.mCodecSpecific.mH264.mSimulcastIdx = 0;
if (callback_) {
callback_->Encoded (f, reinterpret_cast<uint8_t*> (&info), sizeof (info));
}
stats_.FrameOut();
}
void Encode_m (GMPVideoi420Frame* inputImage,
GMPVideoFrameType frame_type) {
if (frame_type == kGMPKeyFrame) {
if (!inputImage)
return;
}
if (!inputImage) {
GMPLOG (GL_ERROR, "no input image");
return;
}
// Now return the encoded data back to the parent.
GMPVideoFrame* ftmp;
GMPErr err = host_->CreateFrame (kGMPEncodedVideoFrame, &ftmp);
if (err != GMPNoErr) {
GMPLOG (GL_ERROR, "Error creating encoded frame");
return;
}
GMPVideoEncodedFrame* f = static_cast<GMPVideoEncodedFrame*> (ftmp);
// Encode this in a frame that looks a little bit like H.264.
// Note that we don't do PPS or SPS.
// Copy the data. This really should convert this to network byte order.
EncodedFrame eframe;
eframe.length_ = sizeof(eframe) - sizeof(uint32_t);
eframe.h264_compat_ = 5; // Emulate a H.264 IDR NAL.
eframe.magic_ = ENCODED_FRAME_MAGIC;
eframe.width_ = inputImage->Width();
eframe.height_ = inputImage->Height();
eframe.y_ = AveragePlane(inputImage->Buffer(kGMPYPlane),
inputImage->AllocatedSize(kGMPYPlane));
eframe.u_ = AveragePlane(inputImage->Buffer(kGMPUPlane),
inputImage->AllocatedSize(kGMPUPlane));
eframe.v_ = AveragePlane(inputImage->Buffer(kGMPVPlane),
inputImage->AllocatedSize(kGMPVPlane));
eframe.timestamp_ = inputImage->Timestamp();
err = f->CreateEmptyFrame (sizeof(eframe));
if (err != GMPNoErr) {
GMPLOG (GL_ERROR, "Error allocating frame data");
f->Destroy();
return;
}
memcpy(f->Buffer(), &eframe, sizeof(eframe));
f->SetEncodedWidth (inputImage->Width());
f->SetEncodedHeight (inputImage->Height());
f->SetTimeStamp (inputImage->Timestamp());
f->SetFrameType (frame_type);
f->SetCompleteFrame (true);
f->SetBufferType(GMP_BufferLength32);
GMPLOG (GL_DEBUG, "Encoding complete. type= "
<< f->FrameType()
<< " length="
<< f->Size()
<< " timestamp="
<< f->TimeStamp());
// Return the encoded frame.
GMPCodecSpecificInfo info;
memset (&info, 0, sizeof (info));
info.mCodecType = kGMPVideoCodecH264;
info.mBufferType = GMP_BufferLength32;
info.mCodecSpecific.mH264.mSimulcastIdx = 0;
GMPLOG (GL_DEBUG, "Calling callback");
callback_->Encoded (f, reinterpret_cast<uint8_t*> (&info), sizeof(info));
GMPLOG (GL_DEBUG, "Callback called");
}
