Method Encode_w

module/gmp-openh264.cpp:603–688

  }

  void Encode_w (GMPVideoi420Frame* inputImage,
                 GMPVideoFrameType frame_type) {
    SFrameBSInfo encoded;

    if (frame_type  == kGMPKeyFrame) {
      encoder_->ForceIntraFrame (true);
      if (!inputImage)
        return;
    }
    if (!inputImage) {
      GMPLOG (GL_ERROR, "no input image");
      return;
    }
    SSourcePicture src;

    src.iColorFormat = videoFormatI420;
    src.iStride[0] = inputImage->Stride (kGMPYPlane);
    src.pData[0] = reinterpret_cast<unsigned char*> (
                     const_cast<uint8_t*> (inputImage->Buffer (kGMPYPlane)));
    src.iStride[1] = inputImage->Stride (kGMPUPlane);
    src.pData[1] = reinterpret_cast<unsigned char*> (
                     const_cast<uint8_t*> (inputImage->Buffer (kGMPUPlane)));
    src.iStride[2] = inputImage->Stride (kGMPVPlane);
    src.pData[2] = reinterpret_cast<unsigned char*> (
                     const_cast<uint8_t*> (inputImage->Buffer (kGMPVPlane)));
    src.iStride[3] = 0;
    src.pData[3] = nullptr;
    src.iPicWidth = inputImage->Width();
    src.iPicHeight = inputImage->Height();
    src.uiTimeStamp = inputImage->Timestamp() / 1000; //encoder needs millisecond
    const SSourcePicture* pics = &src;

    int result = encoder_->EncodeFrame (pics, &encoded);
    if (result != cmResultSuccess) {
      GMPLOG (GL_ERROR, "Couldn't encode frame. Error = " << result);
    }


    // Translate int to enum
    GMPVideoFrameType encoded_type;
    bool has_frame = false;

    switch (encoded.eFrameType) {
    case videoFrameTypeIDR:
      encoded_type = kGMPKeyFrame;
      has_frame = true;
      break;
    case videoFrameTypeI:
      encoded_type = kGMPKeyFrame;
      has_frame = true;
      break;
    case videoFrameTypeP:
      encoded_type = kGMPDeltaFrame;
      has_frame = true;
      break;
    case videoFrameTypeSkip:
      // Can skip the call back since no actual bitstream will be generated
      break;