static int do_cuesheet(const char *infilename, FLAC__bool is_cdda, FLAC__uint64 lead_out_offset)
{
FILE *fin, *fout;
const char *error_message;
char tmpfilename[4096];
unsigned last_line_read;
FLAC__StreamMetadata *cuesheet;
FLAC__ASSERT(strlen(infilename) + 2 < sizeof(tmpfilename));
/*
* pass 1
*/
if(0 == strcmp(infilename, "-")) {
fin = stdin;
}
else if(0 == (fin = fopen(infilename, "r"))) {
fprintf(stderr, "can't open file %s for reading\n", infilename);
return 255;
}
if(0 != (cuesheet = grabbag__cuesheet_parse(fin, &error_message, &last_line_read, is_cdda, lead_out_offset))) {
if(fin != stdin)
fclose(fin);
}
else {
printf("pass1: parse error, line %u: \"%s\"\n", last_line_read, error_message);
if(fin != stdin)
fclose(fin);
return 1;
}
if(!FLAC__metadata_object_cuesheet_is_legal(cuesheet, is_cdda, &error_message)) {
printf("pass1: illegal cuesheet: \"%s\"\n", error_message);
FLAC__metadata_object_delete(cuesheet);
return 1;
}
sprintf(tmpfilename, "%s.1", infilename);
if(0 == (fout = fopen(tmpfilename, "w"))) {
fprintf(stderr, "can't open file %s for writing\n", tmpfilename);
FLAC__metadata_object_delete(cuesheet);
return 255;
}
grabbag__cuesheet_emit(fout, cuesheet, "\"dummy.wav\" WAVE");
FLAC__metadata_object_delete(cuesheet);
fclose(fout);
/*
* pass 2
*/
if(0 == (fin = fopen(tmpfilename, "r"))) {
fprintf(stderr, "can't open file %s for reading\n", tmpfilename);
return 255;
}
if(0 != (cuesheet = grabbag__cuesheet_parse(fin, &error_message, &last_line_read, is_cdda, lead_out_offset))) {
if(fin != stdin)
fclose(fin);
}
else {
printf("pass2: parse error, line %u: \"%s\"\n", last_line_read, error_message);
if(fin != stdin)
fclose(fin);
return 1;
}
if(!FLAC__metadata_object_cuesheet_is_legal(cuesheet, is_cdda, &error_message)) {
printf("pass2: illegal cuesheet: \"%s\"\n", error_message);
FLAC__metadata_object_delete(cuesheet);
return 1;
}
sprintf(tmpfilename, "%s.2", infilename);
if(0 == (fout = fopen(tmpfilename, "w"))) {
fprintf(stderr, "can't open file %s for writing\n", tmpfilename);
FLAC__metadata_object_delete(cuesheet);
return 255;
}
grabbag__cuesheet_emit(fout, cuesheet, "\"dummy.wav\" WAVE");
FLAC__metadata_object_delete(cuesheet);
fclose(fout);
return 0;
}
FLAC__bool import_cs_from(const char *filename, FLAC__StreamMetadata **cuesheet, const char *cs_filename, FLAC__bool *needs_write, FLAC__uint64 lead_out_offset, unsigned sample_rate, FLAC__bool is_cdda, Argument_AddSeekpoint *add_seekpoint_link)
{
FILE *f;
const char *error_message;
char **seekpoint_specification = add_seekpoint_link? &(add_seekpoint_link->specification) : 0;
unsigned last_line_read;
if(0 == cs_filename || strlen(cs_filename) == 0) {
flac_fprintf(stderr, "%s: ERROR: empty import file name\n", filename);
return false;
}
if(0 == strcmp(cs_filename, "-"))
f = stdin;
else
f = flac_fopen(cs_filename, "r");
if(0 == f) {
flac_fprintf(stderr, "%s: ERROR: can't open import file %s: %s\n", filename, cs_filename, strerror(errno));
return false;
}
*cuesheet = grabbag__cuesheet_parse(f, &error_message, &last_line_read, sample_rate, is_cdda, lead_out_offset);
if(f != stdin)
fclose(f);
if(0 == *cuesheet) {
flac_fprintf(stderr, "%s: ERROR: while parsing cuesheet \"%s\" on line %u: %s\n", filename, cs_filename, last_line_read, error_message);
return false;
}
if(!FLAC__format_cuesheet_is_legal(&(*cuesheet)->data.cue_sheet, /*check_cd_da_subset=*/false, &error_message)) {
flac_fprintf(stderr, "%s: ERROR parsing cuesheet \"%s\": %s\n", filename, cs_filename, error_message);
return false;
}
/* if we're expecting CDDA, warn about non-compliance */
if(is_cdda && !FLAC__format_cuesheet_is_legal(&(*cuesheet)->data.cue_sheet, /*check_cd_da_subset=*/true, &error_message)) {
flac_fprintf(stderr, "%s: WARNING cuesheet \"%s\" is not audio CD compliant: %s\n", filename, cs_filename, error_message);
(*cuesheet)->data.cue_sheet.is_cd = false;
}
/* add seekpoints for each index point if required */
if(0 != seekpoint_specification) {
char spec[128];
unsigned track, indx;
const FLAC__StreamMetadata_CueSheet *cs = &(*cuesheet)->data.cue_sheet;
if(0 == *seekpoint_specification)
*seekpoint_specification = local_strdup("");
for(track = 0; track < cs->num_tracks; track++) {
const FLAC__StreamMetadata_CueSheet_Track *tr = cs->tracks+track;
for(indx = 0; indx < tr->num_indices; indx++) {
flac_snprintf(spec, sizeof (spec), "%" PRIu64 ";", (tr->offset + tr->indices[indx].offset));
local_strcat(seekpoint_specification, spec);
}
}
}
*needs_write = true;
return true;
}
