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Added big-endian checking.

Browse source 
Added --zero option.
Added leadin for AC3 SPDIF.
This commit is contained in:
Jaroslav Kysela 2001-08-05 11:50:02 +00:00
parent 04255b61c5
commit c2aa076fb2
6 changed files with 70 additions and 15 deletions
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20
ac3dec/ac3dec.c
View file

@ -35,10 +35,10 @@
#include "libac3/ac3.h"
#include "output.h"
void
init_spdif(void);
int
output_spdif(uint_8 *data_start, uint_8 *data_end, int quiet);
void init_spdif(void);
int output_spdif_zero(int frames);
int output_spdif_leadin(void);
int output_spdif(uint_8 *data_start, uint_8 *data_end, int quiet);
static int end_flag = 0;
static int quiet = 0;
@ -56,6 +56,7 @@ static void help(void)
printf(" -C,--iec958c raw IEC958 (S/PDIF) consumer mode\n");
printf(" -P,--iec958p raw IEC958 (S/PDIF) professional mode\n");
printf(" -R,--iec958r raw IEC958 (S/PDIF) PCM\n");
printf(" -Z,--zero=# add # zero-AC3-frames before stream\n");
printf(" -q,--quit quit mode\n");
}
@ -105,12 +106,14 @@ int main(int argc,char *argv[])
{"spdif", 0, NULL, 'C'},
{"iec958p", 0, NULL, 'P'},
{"iec958r", 0, NULL, 'R'},
{"zero", 1, NULL, 'Z'},
{"quit", 0, NULL, 'q'},
{NULL, 0, NULL, 0},
};
ac3_config_t ac3_config;
output_t out_config;
int morehelp, loop = 0;
int zero = 0;
bzero(&ac3_config, sizeof(ac3_config));
ac3_config.fill_buffer_callback = fill_buffer;
@ -128,7 +131,7 @@ int main(int argc,char *argv[])
while (1) {
int c;
if ((c = getopt_long(argc, argv, "hvcD:46CPRq", long_option, NULL)) < 0)
if ((c = getopt_long(argc, argv, "hvcD:46CPRZq", long_option, NULL)) < 0)
break;
switch (c) {
case 'h':
@ -163,6 +166,9 @@ int main(int argc,char *argv[])
ac3_config.num_output_ch = 2;
out_config.spdif = SPDIF_PCM;
break;
case 'Z':
zero = atoi(optarg);
break;
case 'q':
ac3_config.flags |= AC3_QUIET;
out_config.quiet = 1;
@ -218,6 +224,10 @@ int main(int argc,char *argv[])
signal(SIGINT, ac3dec_signal_handler);
signal(SIGTERM, ac3dec_signal_handler);
signal(SIGABRT, ac3dec_signal_handler);
if (zero > 0)
output_spdif_zero(zero);
else
output_spdif_leadin();
while (fill_buffer(&start, &end) > 0)
if (output_spdif(start, end, quiet) < 0)
break;