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Added compatibility with original behaviour (BIG_BUFSIZE)

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This commit is contained in:
ha7ilm 2015-10-31 13:25:40 +00:00
parent c89f6e026b
commit d4de9749f9
1 changed files with 9 additions and 1 deletions
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10
csdr.c
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@ -107,7 +107,9 @@ char usage[]=
//also, keep in mind that shift_addition_cc works better the smaller this buffer is. //also, keep in mind that shift_addition_cc works better the smaller this buffer is.
int env_csdr_fixed_bufsize = 1024; int env_csdr_fixed_bufsize = 1024;
int env_csdr_fixed_big_bufsize = 1024*16;
int env_csdr_dynamic_bufsize_on = 0; int env_csdr_dynamic_bufsize_on = 0;
int bigbufs = 0;
//change on on 2015-08-29: we don't yield at all. fread() will do it if it blocks //change on on 2015-08-29: we don't yield at all. fread() will do it if it blocks
#define YIELD_EVERY_N_TIMES 3 #define YIELD_EVERY_N_TIMES 3
@ -215,7 +217,7 @@ int read_fifo_ctl(int fd, char* format, ...)
int getbufsize() int getbufsize()
{ {
if(!env_csdr_dynamic_bufsize_on) return env_csdr_fixed_bufsize; if(!env_csdr_dynamic_bufsize_on) return (bigbufs) ? env_csdr_fixed_big_bufsize : env_csdr_fixed_bufsize;
int recv_first[2]; int recv_first[2];
fread(recv_first, sizeof(int), 2, stdin); fread(recv_first, sizeof(int), 2, stdin);
if(memcmp(recv_first, SETBUF_PREAMBLE, sizeof(char)*4)!=0) if(memcmp(recv_first, SETBUF_PREAMBLE, sizeof(char)*4)!=0)
@ -455,6 +457,7 @@ int main(int argc, char *argv[])
if(!strcmp(argv[1],"shift_table_cc")) if(!strcmp(argv[1],"shift_table_cc"))
{ {
bigbufs=1;
if(argc<=2) return badsyntax("need required parameter (rate)"); if(argc<=2) return badsyntax("need required parameter (rate)");
float starting_phase=0; float starting_phase=0;
float rate; float rate;
@ -478,6 +481,7 @@ int main(int argc, char *argv[])
#ifdef LIBCSDR_GPL #ifdef LIBCSDR_GPL
if(!strcmp(argv[1],"decimating_shift_addition_cc")) if(!strcmp(argv[1],"decimating_shift_addition_cc"))
{ {
bigbufs=1;
if(argc<=2) return badsyntax("need required parameter (rate)"); if(argc<=2) return badsyntax("need required parameter (rate)");
float starting_phase=0; float starting_phase=0;
float rate; float rate;
@ -503,6 +507,8 @@ int main(int argc, char *argv[])
if(!strcmp(argv[1],"shift_addition_cc")) if(!strcmp(argv[1],"shift_addition_cc"))
{ {
bigbufs=1;
float starting_phase=0; float starting_phase=0;
float rate; float rate;
@ -736,6 +742,8 @@ int main(int argc, char *argv[])
} }
if(!strcmp(argv[1],"fir_decimate_cc")) if(!strcmp(argv[1],"fir_decimate_cc"))
{ {
bigbufs=1;
if(argc<=2) return badsyntax("need required parameter (decimation factor)"); if(argc<=2) return badsyntax("need required parameter (decimation factor)");
int factor; int factor;