175 lines
7.0 KiB
XML
175 lines
7.0 KiB
XML
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<demo>
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<!--
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* xml文件默认路径是/etc目录，用户可以自己修改路径，方法如下
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1、在tmp目录下创建文件ve_param_file_path.conf，eg. touch ve_param_file_path.conf
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2、把xml路径和前缀输入到conf文件中，如 echo /tmp/ve_param_ > ve_param_file_path.conf，注意不需要输入完整的文件名，只输入前缀，这样是为了能够匹配到所有通道
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这样就可以改变所有通道匹配的路径了。
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* 文件名中的后缀_0\_4等，快起和非快起区别如下：
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1、在长电方案即非快起，表示第几通道，只是简单的増序id(非vipp num)，如ve_param_4.xml表示要设置第四个通道的参数；
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2、在快起方案，表示第几通道，同时也代表了是哪个vipp num，如ve_param_4.xml表示第4通道，同时也表示vipp_num是4。
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* ve_param_0.xml中的tag
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1、tag在static范围内的内容，在编码初始化的时候才会进行解析，会把用户设置的参数修改为xml中的内容
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2、tag在dynamic范围内的内容，在编码过程中进行解析，解析完后会自动给文件名添加后缀_used，表示已经解析过了，eg: ve_param_0_used.xml
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如需再次设置请重新push xml文件到/etc目录或者自己修改的目录中，或者直接mv ve_param_0_used.xml ve_param_0.xml后再次使用
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* 每个tag都有一个status属性
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1、on，表示要设置该tag中的参数
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2、off，表示不需要设置
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* 如何在代码中自己添加参数设置，请搜索关键函数check_ve_param_file去查看例子，简单概述如下：
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1、xml文件添加tag和键值对；
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2、代码start_parse_tag函数中添加相应的tag字符串比对，并把值赋值给对应添加的参数成员，同时设置参数到编码器中。
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具体请查看对应函数代码
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ch_id：仅用于标识
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-->
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<static ch_id = "0">
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<frame_rate status = "off" value = "30"/>
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<bit_rate status = "off" value = "6291456"/>
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<vbv_size status = "off" value = "8388608"/>
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<pixel_format status = "off"
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pxl_format = "RT_PIXEL_YUV420SP"
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out_pxl_format = "1"
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/>
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<resolution status = "off"
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src_width = "1280"
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src_height = "720"
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dst_width = "1280"
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dst_height = "720"
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/>
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<qp_range status = "off"
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i_qp_min = "25"
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i_qp_max = "45"
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p_qp_min = "25"
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p_qp_max = "45"
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qp_init = "25"
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mb_qp_limit = "0"
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/>
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</static>
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<dynamic ch_id = "0">
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<frame_rate status = "off" value = "30"/>
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<bit_rate status = "off" value = "6291456"/>
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<force_conf_win status = "off"
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u8_en_force_conf = "0"
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u32_lefet_offset = "0"
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u32_right_offset = "0"
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u32_top_offset = "0"
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u32_bottom_offset = "0"
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/>
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<s32_jpeg_quality status = "off" value = "80"/>
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<qp_range status = "off"
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i_qp_min = "25"
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i_qp_max = "45"
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p_qp_min = "25"
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p_qp_max = "45"
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qp_init = "25"
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mb_qp_limit = "0"
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/>
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<fix_qp status = "off"
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u8_en_fix_qp = "0"
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s32_fix_i_qp = "35"
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s32_fix_p_qp = "35"
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/>
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<target_bits_clip status = "off"
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u8_bits_clip_dis_default = "1"
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s32_bits_clip_mode = "0"
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f32_bits_clip_coef_0_0 = "-0.5"
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f32_bits_clip_coef_0_1 = "-0.2"
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f32_bits_clip_coef_1_0 = "-0.3"
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f32_bits_clip_coef_1_1 = "-0.1"
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f32_bits_clip_coef_2_0 = "-0.3"
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f32_bits_clip_coef_2_1 = "0"
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f32_bits_clip_coef_3_0 = "-0.5"
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f32_bits_clip_coef_3_1 = "0.1"
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f32_bits_clip_coef_4_0 = "0.4"
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f32_bits_clip_coef_4_1 = "0.7"
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u8_bits_clip_gop_ratio_en = "0"
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f32_bits_clip_gop_ratio_th_0 = "0.58"
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f32_bits_clip_gop_ratio_th_1 = "0.64"
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f32_bits_clip_gop_ratio_th_2 = "1.25"
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/>
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<vbr_param status = "off"
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s32_quality = "10"
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s32_p_bits_coef = "10"
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s32_i_bits_coef = "10"
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/>
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<d2d_filter status = "off"
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u8_d2d_en = "1"
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u8_d2d_strength_uv = "127"
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u8_d2d_strength_y = "127"
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u8_d2d_th_uv = "11"
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u8_d2d_th_y = "7"
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/>
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<d3d_filter status = "off"
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u8_d3d_en = "1"
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u8_d3d_max_mv_th = "5"
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u8_d3d_max_mad_th = "48"
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u8_d3d_pix_level_en = "0"
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u8_d3d_pix_diff_th = "6"
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u8_d3d_smooth_en = "0"
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u8_min_coef = "0"
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u8_max_coef = "16"
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/>
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<region_d3d status = "off"
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u8_en_region_d3d = "1"
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u8_dis_default_para = "0"
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s32_result_num = "3"
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s32_hor_region_num = "2"
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s32_ver_region_num = "2"
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s32_hor_expand_num = "2"
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s32_ver_expand_num = "2"
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u8_motion_coef_3 = "16"
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u8_motion_coef_2 = "15"
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u8_motion_coef_1 = "14"
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u8_motion_coef_0 = "13"
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f32_zero_mv_rate_th_2 = "98"
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f32_zero_mv_rate_th_1 = "96"
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f32_zero_mv_rate_th_0 = "95"
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u8_static_coef_2 = "7"
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u8_static_coef_1 = "6"
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u8_static_coef_0 = "5"
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u8_chroma_offset = "1"
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s32_lv_weak_th_8 = "1100"
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s32_lv_weak_th_7 = "900"
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s32_lv_weak_th_6 = "700"
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s32_lv_weak_th_5 = "500"
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s32_lv_weak_th_4 = "400"
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s32_lv_weak_th_3 = "300"
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s32_lv_weak_th_2 = "200"
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s32_lv_weak_th_1 = "100"
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s32_lv_weak_th_0 = "0"
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/>
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<mb_rc_level status = "off" value = "0"/>
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<f32_weak_text_th status = "off" value = "40"/>
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<h264_video_timing status = "off"
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u8_timing_info_present_flag = "0"
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u8_fixed_frame_rate_flag = "1"
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u32_num_units_in_tick = "1000"
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u32_time_scale = "0"
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/>
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<h265_video_timing status = "off"
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u32_timing_info_present_flag = "0"
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u32_h265_num_units_in_tick = "1000"
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u32_h265_time_scale = "0"
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num_ticks_poc_diff_one_minus1 = "1000"
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/>
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</dynamic>
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</demo>
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