T2Decode.h

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/*
 *    Copyright (C) 2016-2020 Grok Image Compression Inc.
 *
 *    This source code is free software: you can redistribute it and/or  modify
 *    it under the terms of the GNU Affero General Public License, version 3,
 *    as published by the Free Software Foundation.
 *
 *    This source code is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU Affero General Public License for more details.
 *
 *    You should have received a copy of the GNU Affero General Public License
 *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *
 */
 
#pragma once
 
#include <T2.h>
 
namespace grk {
 
struct TileProcessor;
 
 
struct T2Decode : public T2 {
        T2Decode(TileProcessor *tileProc);
 
        bool decode_packets(uint16_t tileno, ChunkBuffer *src_buf,
                        uint64_t *data_read);
 
private:
        TileProcessor *tileProcessor;
        bool decode_packet(TileCodingParams *tcp, PacketIter *pi, ChunkBuffer *src_buf,
                        uint64_t *data_read);
 
        bool skip_packet(TileCodingParams *p_tcp, PacketIter *p_pi, ChunkBuffer *src_buf,
                        uint64_t *p_data_read);
 
        bool read_packet_header(TileCodingParams *p_tcp, PacketIter *p_pi,
                        bool *p_is_data_present, ChunkBuffer *src_buf,
                        uint64_t *p_data_read);
 
        bool read_packet_data(grk_resolution *l_res, PacketIter *p_pi,
                        ChunkBuffer *src_buf, uint64_t *p_data_read);
 
        bool skip_packet_data(grk_resolution *l_res, PacketIter *p_pi,
                        uint64_t *p_data_read, uint64_t max_length);
 
};
 
}