params.h

decode the h264 video

#ifndef __PARAMS_H__
#define __PARAMS_H__

typedef struct _seq_parameter_set {
  int profile_idc;
  int constraint_set0_flag;
  int constraint_set1_flag;
  int constraint_set2_flag;
  int reserved_zero_5bits;
  int level_idc;
  int seq_parameter_set_id;
  int log2_max_frame_num;
  int MaxFrameNum;
  int pic_order_cnt_type;
  int log2_max_pic_order_cnt_lsb;
  int MaxPicOrderCntLsb;
  int delta_pic_order_always_zero_flag;
  int offset_for_non_ref_pic;
  int offset_for_top_to_bottom_field;
  int num_ref_frames_in_pic_order_cnt_cycle;
  int offset_for_ref_frame[256];
  int num_ref_frames;
  int gaps_in_frame_num_value_allowed_flag;
  int PicWidthInMbs;
  int PicWidthInSamples;
  int PicHeightInMapUnits;
  int PicSizeInMapUnits;
  int FrameHeightInMbs;
  int FrameHeightInSamples;
  int frame_mbs_only_flag;
  int mb_adaptive_frame_field_flag;
  int direct_8x8_inference_flag;
  int frame_cropping_flag;
  int frame_crop_left_offset;
  int frame_crop_right_offset;
  int frame_crop_top_offset;
  int frame_crop_bottom_offset;
  int vui_parameters_present_flag;
} seq_parameter_set;

typedef struct _pic_parameter_set {
  int pic_parameter_set_id;
  int seq_parameter_set_id;
  int entropy_coding_mode_flag;
  int pic_order_present_flag;
  int num_slice_groups;
  int slice_group_map_type;
  int run_length[8];
  int top_left[8];
  int bottom_right[8];
  int slice_group_change_direction_flag;
  int SliceGroupChangeRate;
  int pic_size_in_map_units;
  int slice_group_id[8192];
  int num_ref_idx_l0_active;
  int num_ref_idx_l1_active;
  int weighted_pred_flag;
  int weighted_bipred_idc;
  int pic_init_qp;
  int pic_init_qs;
  int chroma_qp_index_offset;
  int deblocking_filter_control_present_flag;
  int constrained_intra_pred_flag;
  int redundant_pic_cnt_present_flag;
} pic_parameter_set;

void decode_seq_parameter_set(seq_parameter_set *sps);
void decode_pic_parameter_set(pic_parameter_set *pps);
int check_unsupported_features(seq_parameter_set *sps, pic_parameter_set *pps);

#endif /*__PARAMS_H__*/