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changed default mode to mode 0;improve help page

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wangyu- 2017-11-19 06:02:20 -06:00
parent 4a4b3dc693
commit 0348fcedf6
2 changed files with 9 additions and 7 deletions
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2
fec_manager.cpp
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@ -16,7 +16,7 @@ int g_fec_redundant_num=10;
int g_fec_mtu=1250; int g_fec_mtu=1250;
int g_fec_queue_len=200; int g_fec_queue_len=200;
int g_fec_timeout=8*1000; //8ms int g_fec_timeout=8*1000; //8ms
int g_fec_mode=1; int g_fec_mode=0;
int dynamic_update_fec=1; int dynamic_update_fec=1;

14
main.cpp
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@ -34,19 +34,22 @@ static void print_help()
printf("main options:\n"); printf("main options:\n");
printf(" -f,--fec x:y forward error correction, send y redundant packets for every x packets\n"); printf(" -f,--fec x:y forward error correction, send y redundant packets for every x packets\n");
printf(" --timeout <number> how long could a packet be held in queue before doing fec, unit: ms, default: 8ms\n"); printf(" --timeout <number> how long could a packet be held in queue before doing fec, unit: ms, default: 8ms\n");
printf(" --mode <number> fec-mode,available values: 0, 1; 0 cost less bandwidth, 1 cost less latency(default)\n");
printf(" --report <number> turn on send/recv report, and set a period for reporting, unit: s\n"); printf(" --report <number> turn on send/recv report, and set a period for reporting, unit: s\n");
printf("advanced options:\n"); printf("advanced options:\n");
printf(" --mtu <number> mtu. for mode 0, the program will split packet to segment smaller than mtu_value.\n"); printf(" --mode <number> fec-mode,available values: 0,1; mode 0(default) costs less bandwidth,no mtu problem.\n");
printf(" mode 1 usually introduces less latency, but you have to care about mtu.\n");
printf(" --mtu <number> mtu. for mode 0, the program will split packet to segment smaller than mtu value.\n");
printf(" for mode 1, no packet will be split, the program just check if the mtu is exceed.\n"); printf(" for mode 1, no packet will be split, the program just check if the mtu is exceed.\n");
printf(" default value: 1250\n"); printf(" default value: 1250. you typically shouldnt change this value.\n");
printf(" -q,--queue-len <number> fec queue len, only for mode 0, fec will be performed immediately after queue is full.\n");
printf(" default value: 200. \n");
printf(" -j,--jitter <number> simulated jitter. randomly delay first packet for 0~<number> ms, default value: 0.\n"); printf(" -j,--jitter <number> simulated jitter. randomly delay first packet for 0~<number> ms, default value: 0.\n");
printf(" do not use if you dont know what it means.\n"); printf(" do not use if you dont know what it means.\n");
printf(" -i,--interval <number> scatter each fec group to a interval of <number> ms, to protect burst packet loss.\n"); printf(" -i,--interval <number> scatter each fec group to a interval of <number> ms, to protect burst packet loss.\n");
printf(" default value: 0. do not use if you dont know what it means.\n"); printf(" default value: 0. do not use if you dont know what it means.\n");
printf(" --random-drop <number> simulate packet loss, unit: 0.01%%. default value: 0\n"); printf(" --random-drop <number> simulate packet loss, unit: 0.01%%. default value: 0.\n");
printf(" --disable-obscure <number> disable obscure, to save a bit bandwidth and cpu\n"); printf(" --disable-obscure <number> disable obscure, to save a bit bandwidth and cpu.\n");
// printf(" --disable-xor <number> disable xor\n"); // printf(" --disable-xor <number> disable xor\n");
printf("developer options:\n"); printf("developer options:\n");
@ -55,7 +58,6 @@ static void print_help()
printf(" supported commands.\n"); printf(" supported commands.\n");
printf(" -j ,--jitter jmin:jmax similiar to -j above, but create jitter randomly between jmin and jmax\n"); printf(" -j ,--jitter jmin:jmax similiar to -j above, but create jitter randomly between jmin and jmax\n");
printf(" -i,--interval imin:imax similiar to -i above, but scatter randomly between imin and imax\n"); printf(" -i,--interval imin:imax similiar to -i above, but scatter randomly between imin and imax\n");
printf(" -q,--queue-len <number> max fec queue len, only for mode 0\n");
printf(" --decode-buf <number> size of buffer of fec decoder,u nit: packet, default: 2000\n"); printf(" --decode-buf <number> size of buffer of fec decoder,u nit: packet, default: 2000\n");
printf(" --fix-latency <number> try to stabilize latency, only for mode 0\n"); printf(" --fix-latency <number> try to stabilize latency, only for mode 0\n");
printf(" --delay-capacity <number> max number of delayed packets\n"); printf(" --delay-capacity <number> max number of delayed packets\n");