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[英]How to set x264 encode parameters through ffmpeg AVCodecContext
[英]x264 parameters configuration
我需要配置x264以重現以下參數。
使用Elecard流分析器從從舊版SIP電話h264編碼器收到的第一個關鍵幀中提取配置。 在軟件中重現它以保持與其他sip客戶端的兼容性是至關重要的。
我所擁有的所有信息都是以下參數。
至少有可能接近原版嗎?
非常感謝。
0x00000000 H264 Sequence Parameter Set
profile_idc = 66 (PROFILE_IDC_Baseline)
constraint_set0_flag = 1
constraint_set1_flag = 0
constraint_set2_flag = 0
constraint_set3_flag = 0
constraint_set4_flag = 0
constraint_set5_flag = 0
reserved_zero_2bits = 0
level_idc = 12
seq_parameter_set_id = 4
log2_max_frame_num_minus4 = 4
pic_order_cnt_type = 2
num_ref_frames = 1
gaps_in_frame_num_value_allowed_flag = 0
pic_width_in_mbs_minus1 = 19 (320)
pic_height_in_map_units_minus1 = 14 (240)
frame_mbs_only_flag = 1
direct_8x8_inference_flag = 1
frame_cropping_flag = 0
vui_parameters_present_flag = 0
0x0000000C H264 Picture Parameter Set
pic_parameter_set_id = 4
seq_parameter_set_id = 4
entropy_coding_mode_flag = 0
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 = 0
weighted_bipred_idc = 0
pic_init_qp_minus26 = 2
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
0x00000014 H264 I slice #1 { frame_num = 0 }
first_mb_in_slice = 0
slice_type = 2
pic_parameter_set_id = 4
frame_num = 0
idr_pic_id = 4
dec_ref_pic_marking():
if(IdrPicFlag)
no_output_of_prior_pics_flag = 0
long_term_reference_flag = 0
slice_qp_delta = 0
disable_deblocking_filter_idc = 0
slice_alpha_c0_offset_div2 = 0
slice_beta_offset_div2 = 0
0x00000591 H264 I slice #1 { frame_num = 0 }
first_mb_in_slice = 126
slice_type = 2
pic_parameter_set_id = 4
frame_num = 0
idr_pic_id = 4
dec_ref_pic_marking():
if(IdrPicFlag)
no_output_of_prior_pics_flag = 0
long_term_reference_flag = 0
slice_qp_delta = 0
disable_deblocking_filter_idc = 0
slice_alpha_c0_offset_div2 = 0
slice_beta_offset_div2 = 0
0x00000B34 H264 I slice #1 { frame_num = 0 }
first_mb_in_slice = 201
slice_type = 2
pic_parameter_set_id = 4
frame_num = 0
idr_pic_id = 4
dec_ref_pic_marking():
if(IdrPicFlag)
no_output_of_prior_pics_flag = 0
long_term_reference_flag = 0
slice_qp_delta = 0
disable_deblocking_filter_idc = 0
slice_alpha_c0_offset_div2 = 0
slice_beta_offset_div2 = 0
抱歉地說,Asterisk根本不支持H264-至少在轉碼級別上不支持,而僅支持passthru(如果有)。
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