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/*! @file config.h
*
* @brief Parameters that control the configuration of the codec.
*
* @version 1.0.0
*
* (C) Copyright 2018 GoPro Inc (http://gopro.com/).
*
* Licensed under either:
* - Apache License, Version 2.0, http://www.apache.org/licenses/LICENSE-2.0
* - MIT license, http://opensource.org/licenses/MIT
* at your option.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef CONFIG_H
#define CONFIG_H
// Maximum number of layers
#define MAX_LAYER_COUNT 10
// Maximum number of color channels
#define MAX_CHANNEL_COUNT 4
//const int MAX_CHANNEL_COUNT = 4;
// Maximum number of wavelets per channel
#define MAX_WAVELET_COUNT 3
//const int MAX_WAVELET_COUNT = 3;
// Maximum number of bands per wavelet
#define MAX_BAND_COUNT 4
//const int MAX_BAND_COUNT = 4;
// Maximum number of subbands in all wavelets (including the lowpass band in the first wavelet)
#define MAX_SUBBAND_COUNT 10
// The number of prescale values that are encoded into the bitstream
#define MAX_PRESCALE_COUNT 8
//TODO: The maximum number of channels and wavelets depends on the profile
//! Internal precision of the intermediate results after unpacking
static const int default_internal_precision = 12;
//TODO: Change the global variable from internal_precision to encoded_precision?
// Definitions of VC-5 parts
#define VC5_PART_ELEMENTARY 1
#define VC5_PART_CONFORMANCE 2 // Conformance does not affect what capabilities are included
#define VC5_PART_IMAGE_FORMATS 3
#define VC5_PART_COLOR_SAMPLING 4
#define VC5_PART_LAYERS 5
#define VC5_PART_SECTIONS 6
#define VC5_PART_METADATA 7
// Convert a part number into a part mask
#define VC5_PART_MASK(n) (1 << ((n)-1))
// Define the parts supported by this codec implementation
#define VC5_ENABLED_PARTS (VC5_PART_MASK(VC5_PART_ELEMENTARY) | \
VC5_PART_MASK(VC5_PART_IMAGE_FORMATS) | \
VC5_PART_MASK(VC5_PART_COLOR_SAMPLING) | \
VC5_PART_MASK(VC5_PART_SECTIONS))
// Compile code if any of the parts in the specified mask are supported
#define VC5_ENABLED_MASK(m) ((VC5_ENABLED_PARTS & (m)) != 0)
// Macro for testing support for a specific part of the VC-5 standard
#define VC5_ENABLED_PART(n) (VC5_ENABLED_MASK(VC5_PART_MASK(n)))
#if VC5_ENABLED_PART(VC5_PART_LAYERS)
// Maximum number of layers supported by the reference codec
#define MAX_LAYER_COUNT 10
#endif
//! Number of rows of intermediate horizontal transform results
#define ROW_BUFFER_COUNT 6
#endif // CONFIG_H
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