C++ (Cpp) GST_VAAPI_ENC_Q_MATRIX_NEW Examples

Example #1

File: gstvaapiencoder_vp8.c Project: rexxster/gstreamer-vaapi

static gboolean
ensure_quantization_table (GstVaapiEncoderVP8 * encoder,
    GstVaapiEncPicture * picture)
{
  g_assert (picture);

  picture->q_matrix = GST_VAAPI_ENC_Q_MATRIX_NEW (VP8, encoder);
  if (!picture->q_matrix) {
    GST_ERROR ("failed to allocate quantiser table");
    return GST_VAAPI_DECODER_STATUS_ERROR_ALLOCATION_FAILED;
  }

  if (!fill_quantization_table (encoder, picture, picture->q_matrix))
    return FALSE;

  return TRUE;
}

Example #2

File: gstvaapiencoder_jpeg.c Project: GStreamer/gstreamer-vaapi

static gboolean
fill_quantization_table (GstVaapiEncoderJpeg * encoder,
    GstVaapiEncPicture * picture)
{
  VAQMatrixBufferJPEG *q_matrix;
  int i;

  g_assert (picture);

  picture->q_matrix = GST_VAAPI_ENC_Q_MATRIX_NEW (JPEG, encoder);
  if (!picture->q_matrix) {
    GST_ERROR ("failed to allocate quantiser table");
    return GST_VAAPI_DECODER_STATUS_ERROR_ALLOCATION_FAILED;
  }
  q_matrix = picture->q_matrix->param;

  if (!encoder->has_quant_tables) {
    gst_jpeg_get_default_quantization_tables (&encoder->quant_tables);
    encoder->has_quant_tables = TRUE;
    generate_scaled_qm (&encoder->quant_tables, &encoder->scaled_quant_tables,
        encoder->quality);
  }
  q_matrix->load_lum_quantiser_matrix = 1;
  for (i = 0; i < GST_JPEG_MAX_QUANT_ELEMENTS; i++) {
    q_matrix->lum_quantiser_matrix[i] =
        encoder->quant_tables.quant_tables[0].quant_table[i];
  }

  q_matrix->load_chroma_quantiser_matrix = 1;
  for (i = 0; i < GST_JPEG_MAX_QUANT_ELEMENTS; i++) {
    q_matrix->chroma_quantiser_matrix[i] =
        encoder->quant_tables.quant_tables[1].quant_table[i];
  }

  return TRUE;
}