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Add end-to-end loop forcing option

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git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@82 51a99a44-fe44-0410-b1ba-c3e57ba2b86b
This commit is contained in:
halleyscometsw 2008-05-04 22:03:10 +00:00
parent 217d6cd242
commit 24ca1a20ef
1 changed files with 46 additions and 3 deletions
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47
test/test.c
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@ -11,7 +11,7 @@ extern int optind, opterr, optopt;
void usage(const char * name) {
fprintf(stderr,"vgmstream test decoder " VERSION "\n"
"Usage: %s [-o outfile.wav] [-l loop count]\n"
"\t[-f fade time] [-i] [-p] [-c] [-m] infile\n"
"\t[-f fade time] [-ipcmxeE] infile\n"
"Options:\n"
"\t-o outfile.wav: name of output .wav file, default is dump.wav\n"
"\t-l loop count: loop count, default 2.0\n"
@ -21,6 +21,8 @@ void usage(const char * name) {
"\t-c: loop forever (continuously)\n"
"\t-m: print metadata only, don't decode\n"
"\t-x: decode and print adxencd command line to encode as ADX\n"
"\t-e: force end-to-end looping\n"
"\t-E: force end-to-end looping even if file has real loop points\n"
,name);
}
@ -35,6 +37,8 @@ int main(int argc, char ** argv) {
char * outfilename = NULL;
int opt;
int ignore_loop = 0;
int force_loop = 0;
int really_force_loop = 0;
int play = 0;
int forever = 0;
int metaonly = 0;
@ -42,7 +46,7 @@ int main(int argc, char ** argv) {
double loop_count = 2.0;
double fade_time = 10.0;
while ((opt = getopt(argc, argv, "o:l:f:ipcmx")) != -1) {
while ((opt = getopt(argc, argv, "o:l:f:ipcmxeE")) != -1) {
switch (opt) {
case 'o':
outfilename = optarg;
@ -68,6 +72,12 @@ int main(int argc, char ** argv) {
case 'x':
adxencd = 1;
break;
case 'e':
force_loop = 1;
break;
case 'E':
really_force_loop = 1;
break;
default:
usage(argv[0]);
return 1;
@ -85,6 +95,19 @@ int main(int argc, char ** argv) {
return 1;
}
if (ignore_loop && force_loop) {
fprintf(stderr,"-e and -i are incompatible\n");
return 1;
}
if (ignore_loop && really_force_loop) {
fprintf(stderr,"-E and -i are incompatible\n");
return 1;
}
if (force_loop && really_force_loop) {
fprintf(stderr,"-E and -e are somewhat redundant, are you confused?\n");
return 1;
}
s = init_vgmstream(argv[optind]);
if (!s) {
@ -92,6 +115,24 @@ int main(int argc, char ** argv) {
return 1;
}
/* force only if there aren't already loop points */
if (force_loop && !s->loop_flag) {
/* this requires a bit more messing with the VGMSTREAM than I'm
* comfortable with... */
s->loop_flag=1;
s->loop_start_sample=0;
s->loop_end_sample=s->num_samples;
s->loop_ch=calloc(s->channels,sizeof(VGMSTREAMCHANNEL));
}
/* force even if there are loop points */
if (really_force_loop) {
if (!s->loop_flag) s->loop_ch=calloc(s->channels,sizeof(VGMSTREAMCHANNEL));
s->loop_flag=1;
s->loop_start_sample=0;
s->loop_end_sample=s->num_samples;
}
if (ignore_loop) s->loop_flag=0;
if (play) {
@ -144,11 +185,13 @@ int main(int argc, char ** argv) {
make_wav_header((uint8_t*)buf, len, s->sample_rate, s->channels);
fwrite(buf,1,0x2c,outfile);
/* decode forever */
while (forever) {
render_vgmstream(buf,BUFSIZE,s);
fwrite(buf,sizeof(sample)*s->channels,BUFSIZE,outfile);
}
/* decode */
for (i=0;i<len;i+=BUFSIZE) {
int toget=BUFSIZE;
if (i+BUFSIZE>len) toget=len-i;