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标题: 解析SPS实例 [打印本页]

作者: admin 时间: 2020-6-24 18:09
标题: 解析SPS实例

https://zhuanlan.zhihu.com/p/27896239

00000000-0 00
00000000-0 00
00000001-1 01 start code

01100111-103 禁止位 1bit 默认0  优先级 2bit 类型 5bit  （7-SPS， 8-PPS  ，5-IDR） NAL头
01001101-77 profile_idc  8bit    77-main profile  66-baseline profile  88-extended profile
01000000-64 constraint_set0~3 每个1bit reserved_zero_4bit 0000
00011111-31 level_idc 8bit 标识当前码流的Level
11101100--20 seq_parameter_set_id 0 (根据无符号哥伦布码解码规则) log2_max_frame_num_minus4 0 pic_order_cnt_type 0 log2_max_pic_order_cnt_lsb_minus4 2
max_num_ref_frames 4
1010 0000--96 gaps_in_frame_num_allowed_flag  0 pic_width_in_mbs_minus1 (101000 79)
00 101000-40
0 0000010-2 pic_height_in_map_units_minus1 44
1101 1 1 0 1--35 frame_mbs_only_flag 1  direct_8x8_inferene_flag 1 frame_cropping_flag 0  vui_parameters_present_flag 1
11111001--7
10000000--128
10001000--120
00000000-0
00000000-0
00000011-3
00000000-0
00001000-8
00000000-0
00000000-0
00000011-3
00000001-1
10010000--112
01111000-120
11000001--63
10001100--116
10110000--80
00000000,00000000,00000001,01100111,01001101,01000000,00011111,11101100,10100000,00101000,00000010,11011101,11111001,10000000,10001000,00000000,00000000,00000011,00000000,00001000,00000000,00000000,00000011,00000001,10010000,01111000,11000001,10001100,10110000

Process finished with exit code 0

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