rtmp 中 h264/aac 流資訊舉例

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

//z 2018-01-18 21:27:49 L.347'9131  T4127533308.K.F713451272 [T1,L25,R2,V57] BG57IV3 & is2120