sound format:10, rate:3, size:1, type:1, pkt type:0
audio obj type:2,sample frequency index:3,channel configuration:2
bg57iv3
Nal length 28 start code 4 bytes ,0.001
ref 3 type 7 Sequence parameter set
profile: 100
constaint_set0_flag: 0
constaint_set1_flag: 0
constaint_set2_flag: 0
constaint_set3_flag: 0
level_idc: 40
seq parameter set id: 0
chroma format idx: 1
bit depth luma minus8: 0
bit depth chroma minus8: 0
Qpprime Y Zero Transform Bypass flag: 0
Seq Scaling Matrix Present Flag: 0
log2_max_frame_num_minus4: 0
pic_order_cnt_type: 0
log2_max_pic_order_cnt_lsb_minus4: 2
num_ref_frames: 4
gaps_in_frame_num_value_allowed_flag: 0
pic_width_in_mbs_minus1: 119 (1920)
pic_height_in_map_minus1: 67
frame_mbs_only_flag: 1
derived height: 1088
direct_8x8_inference_flag: 1
frame_cropping_flag: 1
frame_crop_left_offset: 0
frame_crop_right_offset: 0
frame_crop_top_offset: 0
frame_crop_bottom_offset: 4
vui_parameters_present_flag: 1
aspect_ratio_info_present_flag: 0
overscan_info_present_flag: 0
video_signal_info_present_flag: 1
video_format: 5
video_full_range_flag: 0
colour_description_present_flag: 1
colour_primaries: 1
transfer_characteristics: 13
matrix_coefficients: 1
chroma_loc_info_present_flag: 0
timing_info_present_flag: 1
num_units_in_tick: 1
time_scale: 60
fixed_frame_scale: 1
nal_hrd_parameters_present_flag: 0
vcl_hrd_parameters_present_flag: 0
pic_struct_present_flag: 0
motion_vectors_over_pic_boundaries_flag: 1
max_bytes_per_pic_denom: 0
max_bits_per_mb_denom: 0
log2_max_mv_length_horizontal: 11
log2_max_mv_length_vertical: 11
num_reorder_frames: 2
max_dec_frame_buffering: 4
Nal length 4 start code 4 bytes 0.058
ref 3 type 8 Picture parameter set
pic_parameter_set_id: 0
seq_parameter_set_id: 0
entropy_coding_mode_flag: 1
pic_order_present_flag: 0
num_slice_groups_minus1: 0
num_ref_idx_l0_active_minus1: 0
num_ref_idx_l1_active_minus1: 0
weighted_pred_flag: 1
weighted_bipred_idc: 2
pic_init_qp_minus26: 0
pic_init_qs_minus26: 0
chroma_qp_index_offset: 0
deblocking_filter_control_present_flag: 1
constrained_intra_pred_flag: 0
redundant_pic_cnt_present_flag: 0
transform_8x8_mode_flag: 1
pic_scaling_matrix_present_flag: 0
second_chroma_qp_index_offset: 0
Nal length 87575 start code 4 bytes 0.636
ref 3 type 5 Coded slice of an IDR picture
first_mb_in_slice: 0
slice_type: 7 (I)
pic_parameter_set_id: 0
frame_num: 0 (4 bits)
idr_pic_id: 0
pic_order_cnt_lsb: 0
Nal is new picture, frame_num:0,au_num:1
sound format:10, rate:3, size:1, type:1, pkt type:1
audio pkt payload:9
sound format:10, rate:3, size:1, type:1, pkt type:1
audio pkt payload:9
Nal length 3236 start code 4 bytes 33.718
ref 2 type 1 Coded slice of non-IDR picture
first_mb_in_slice: 0
slice_type: 5 (P)
pic_parameter_set_id: 0
frame_num: 1 (4 bits)
pic_order_cnt_lsb: 8
Nal is new picture, frame_num:1,au_num:2
原文地址：https://www.cnblogs.com/IS2120/p/8313141.html