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/*****************************************************************
* gmerlin-avdecoder - a general purpose multimedia decoding library
*
* Copyright (c) 2001 - 2024 Members of the Gmerlin project
* http://github.com/bplaum
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* *****************************************************************/
#ifndef BGAV_CAVS_HEADER_H_INCLUDED
#define BGAV_CAVS_HEADER_H_INCLUDED
#define CAVS_CODE_SEQUENCE 1
#define CAVS_CODE_PICTURE_I 2
#define CAVS_CODE_PICTURE_PB 3
int bgav_cavs_get_start_code(const uint8_t * data);
typedef struct
{
int profile_id;
int level_id;
int progressive_sequence;
int horizontal_size;
int vertical_size;
int chromat_fromat;
int sample_precision;
int aspect_ratio;
int frame_rate_code;
int bit_rate_lower;
/* int market_bit */
int bit_rate_upper;
int low_delay;
} bgav_cavs_sequence_header_t;
int bgav_cavs_sequence_header_read(bgav_cavs_sequence_header_t * ret,
const uint8_t * buffer, int len);
void bgav_cavs_sequence_header_dump(const bgav_cavs_sequence_header_t * h);
typedef struct
{
int coding_type;
int bbv_delay; /* I/PB, 16 */
int time_code_flag; /* I, 1 */
// if(time_code_flag) {
int time_code; /* I, 24 */
// } else {
int picture_coding_type; /* PB, 2 */
// }
int picture_distance; /* I/PB, 8 */
int bbv_check_times; /* I/PB, ue */
int progressive_frame; /* I/PB, 1 */
// if(!progressive_frame) {
int picture_structure;
// if(!coding_type != I) {
int advanced_pred_mode_disable;
// }}
int top_field_first;
int repeat_first_field;
} bgav_cavs_picture_header_t;
int bgav_cavs_picture_header_read(bgav_cavs_picture_header_t * ret,
const uint8_t * buffer, int len,
const bgav_cavs_sequence_header_t * seq);
void bgav_cavs_picture_header_dump(const bgav_cavs_picture_header_t * h,
const bgav_cavs_sequence_header_t * seq);
#endif // BGAV_CAVS_HEADER_H_INCLUDED
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