static int decode_file(FILE *in, FILE *out, char *infile, char *outfile)
{
OggVorbis_File vf;
int bs = 0;
char buf[8192], outbuf[8192];
char *p_outbuf;
int buflen = 8192;
unsigned int written = 0;
int ret;
ogg_int64_t length = 0;
ogg_int64_t done = 0;
int size = 0;
int seekable = 0;
int percent = 0;
int channels;
int samplerate;
if (ov_open_callbacks(in, &vf, NULL, 0, OV_CALLBACKS_DEFAULT) < 0) {
fprintf(stderr, _("ERROR: Failed to open input as Vorbis\n"));
fclose(in);
return 1;
}
channels = ov_info(&vf,0)->channels;
samplerate = ov_info(&vf,0)->rate;
if(ov_seekable(&vf)) {
int link;
int chainsallowed = 0;
for(link = 0; link < ov_streams(&vf); link++) {
if(ov_info(&vf, link)->channels == channels &&
ov_info(&vf, link)->rate == samplerate)
{
chainsallowed = 1;
}
}
seekable = 1;
if(chainsallowed)
length = ov_pcm_total(&vf, -1);
else
length = ov_pcm_total(&vf, 0);
size = bits/8 * channels;
if(!quiet)
fprintf(stderr, _("Decoding \"%s\" to \"%s\"\n"),
infile?infile:_("standard input"),
outfile?outfile:_("standard output"));
}
if(!raw) {
if(write_prelim_header(&vf, out, length)) {
ov_clear(&vf);
return 1;
}
}
while((ret = ov_read(&vf, buf, buflen, endian, bits/8, sign, &bs)) != 0) {
if(bs != 0) {
vorbis_info *vi = ov_info(&vf, -1);
if(channels != vi->channels || samplerate != vi->rate) {
fprintf(stderr, _("Logical bitstreams with changing parameters are not supported\n"));
break;
}
}
if(ret < 0 ) {
if( !quiet ) {
fprintf(stderr, _("WARNING: hole in data (%d)\n"), ret);
}
continue;
}
if(channels > 2 && !raw) {
/* Then permute! */
permute_channels(buf, outbuf, ret, channels, bits/8);
p_outbuf = outbuf;
}
else {
p_outbuf = buf;
}
if(fwrite(p_outbuf, 1, ret, out) != ret) {
fprintf(stderr, _("Error writing to file: %s\n"), strerror(errno));
ov_clear(&vf);
return 1;
}
written += ret;
if(!quiet && seekable) {
done += ret/size;
if((double)done/(double)length * 200. > (double)percent) {
percent = (int)((double)done/(double)length *200);
fprintf(stderr, "\r\t[%5.1f%%]", (double)percent/2.);
}
}
}
if(seekable && !quiet)
fprintf(stderr, "\n");
if(!raw)
rewrite_header(out, written); /* We don't care if it fails, too late */
ov_clear(&vf);
return 0;
}
static int decode_file(char *infile, char *outfile)
{
FILE *in, *out=NULL;
OggVorbis_File vf;
int bs = 0;
char buf[8192];
int buflen = 8192;
unsigned int written = 0;
int ret;
ogg_int64_t length = 0;
ogg_int64_t done = 0;
int size;
int seekable = 0;
int percent = 0;
if(!infile) {
#ifdef __BORLANDC__
setmode(fileno(stdin), O_BINARY);
#elif _WIN32
_setmode(_fileno(stdin), _O_BINARY);
#endif
in = stdin;
}
else {
in = fopen(infile, "rb");
if(!in) {
fprintf(stderr, "ERROR: Failed to open input file: %s\n", strerror(errno));
return 1;
}
}
if(ov_open(in, &vf, NULL, 0) < 0) {
fprintf(stderr, "ERROR: Failed to open input as vorbis\n");
fclose(in);
return 1;
}
if(!outfile) {
#ifdef __BORLANDC__
setmode(fileno(stdout), O_BINARY);
#elif _WIN32
_setmode(_fileno(stdout), _O_BINARY);
#endif
out = stdout;
}
else {
out = fopen(outfile, "wb");
if(!out) {
fprintf(stderr, "ERROR: Failed to open output file: %s\n", strerror(errno));
return 1;
}
}
if(ov_seekable(&vf)) {
seekable = 1;
length = ov_pcm_total(&vf, 0);
size = bits/8 * ov_info(&vf, 0)->channels;
if(!quiet)
fprintf(stderr, "Decoding \"%s\" to \"%s\"\n",
infile?infile:"standard input",
outfile?outfile:"standard output");
}
if(!raw) {
if(write_prelim_header(&vf, out, length)) {
ov_clear(&vf);
fclose(out);
return 1;
}
}
while((ret = ov_read(&vf, buf, buflen, endian, bits/8, sign, &bs)) != 0) {
if(bs != 0) {
fprintf(stderr, "Only one logical bitstream currently supported\n");
break;
}
if(ret < 0 ) {
if( !quiet ) {
fprintf(stderr, "Warning: hole in data\n");
}
continue;
}
if(fwrite(buf, 1, ret, out) != ret) {
fprintf(stderr, "Error writing to file: %s\n", strerror(errno));
ov_clear(&vf);
fclose(out);
return 1;
}
written += ret;
if(!quiet && seekable) {
done += ret/size;
if((double)done/(double)length * 200. > (double)percent) {
percent = (double)done/(double)length *200;
fprintf(stderr, "\r\t[%5.1f%%]", (double)percent/2.);
}
}
}
if(seekable && !quiet)
fprintf(stderr, "\n");
if(!raw)
rewrite_header(out, written); /* We don't care if it fails, too late */
ov_clear(&vf);
fclose(out);
return 0;
}