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Interpreting .cue file command PREGAP

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This commit is contained in:
Thomas Schmitt
2012-01-11 12:22:52 +00:00
parent ac7f4e90a4
commit 5cd7b09d5c
4 changed files with 65 additions and 43 deletions
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98
libburn/structure.c
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@ -1420,13 +1420,55 @@ ex:;
}
static int cue_read_timepoint_lba(char *apt, char *purpose, int *file_ba,
int flag)
{
int ret, minute, second, frame;
char *msg = NULL, msf[3], *msf_pt;
BURN_ALLOC_MEM(msg, char, 4096);
if (strlen(apt) < 8) {
no_time_point:;
sprintf(msg,
"Inappropriate cue sheet file %s '%.4000s'",
purpose, apt);
libdax_msgs_submit(libdax_messenger, -1, 0x00020194,
LIBDAX_MSGS_SEV_FAILURE, LIBDAX_MSGS_PRIO_HIGH,
burn_printify(msg), 0, 0);
ret = 0; goto ex;
}
if (apt[2] != ':' || apt[5] != ':' ||
(apt[8] != 0 && apt[8] != 32 && apt[8] != 9))
goto no_time_point;
msf[2] = 0;
msf_pt = msf;
strncpy(msf, apt, 2);
ret = cue_read_number(&msf_pt, &minute, 1);
if (ret <= 0)
goto ex;
strncpy(msf, apt + 3, 2);
ret = cue_read_number(&msf_pt, &second, 1);
if (ret <= 0)
goto ex;
strncpy(msf, apt + 6, 2);
ret = cue_read_number(&msf_pt, &frame, 1);
if (ret <= 0)
goto ex;
*file_ba = ((minute * 60) + second ) * 75 + frame;
ret = 1;
ex:;
BURN_FREE_MEM(msg);
return ret;
}
static int cue_interpret_line(struct burn_session *session, char *line,
struct burn_cue_file_cursor *crs, int flag)
{
int ret, mode, index_no, minute, second, frame, file_ba, chunks;
int ret, mode, index_no, file_ba, chunks;
int block_size, step, audio_xtr = 0;
off_t size;
char *cmd, *apt, *msg = NULL, msf[3], *msf_pt, *cpt, *filetype;
char *cmd, *apt, *msg = NULL, *cpt, *filetype;
struct burn_source *src, *inp_src;
enum burn_source_status source_status;
struct stat stbuf;
@ -1610,37 +1652,10 @@ bad_flags:;
ret = cue_read_number(&apt, &index_no, 0);
if (ret <= 0)
goto ex;
/* Obtain time point */
if (strlen(apt) < 8) {
no_time_point:;
sprintf(msg,
"Inappropriate cue sheet file index time point '%.4000s'",
apt);
libdax_msgs_submit(libdax_messenger, -1, 0x00020194,
LIBDAX_MSGS_SEV_FAILURE, LIBDAX_MSGS_PRIO_HIGH,
burn_printify(msg), 0, 0);
ret = 0; goto ex;
}
if (apt[2] != ':' || apt[5] != ':' ||
(apt[8] != 0 && apt[8] != 32 && apt[8] != 9))
goto no_time_point;
msf[2] = 0;
msf_pt = msf;
strncpy(msf, apt, 2);
ret = cue_read_number(&msf_pt, &minute, 1);
ret = cue_read_timepoint_lba(apt, "index time point",
&file_ba, 0);
if (ret <= 0)
goto ex;
strncpy(msf, apt + 3, 2);
ret = cue_read_number(&msf_pt, &second, 1);
if (ret <= 0)
goto ex;
strncpy(msf, apt + 6, 2);
ret = cue_read_number(&msf_pt, &frame, 1);
if (ret <= 0)
goto ex;
file_ba = ((minute * 60) + second ) * 75 + frame;
if (file_ba < crs->prev_file_ba) {
overlapping_ba:;
libdax_msgs_submit(libdax_messenger, -1, 0x00020192,
@ -1753,13 +1768,20 @@ overlapping_ba:;
0, 0);
} else if (strcmp(cmd, "PREGAP") == 0) {
/* >>> ??? implement ? */;
libdax_msgs_submit(libdax_messenger, -1, 0x00020195,
LIBDAX_MSGS_SEV_WARNING, LIBDAX_MSGS_PRIO_HIGH,
"In cue sheet file: PREGAP command not supported",
0, 0);
if (crs->track == NULL) {
libdax_msgs_submit(libdax_messenger, -1, 0x00020192,
LIBDAX_MSGS_SEV_FAILURE, LIBDAX_MSGS_PRIO_HIGH,
"In cue sheet file: INDEX found before TRACK",
0, 0);
ret = 0; goto ex;
}
ret = cue_read_timepoint_lba(apt, "pre-gap duration",
&file_ba, 0);
if (ret <= 0)
goto ex;
ret = burn_track_set_pregap_size(crs->track, file_ba, 0);
if (ret <= 0)
goto ex;
} else if (strcmp(cmd, "REM") == 0) {
;