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New API calls burn_cdtext_from_packfile() and burn_session_by_cue_file()

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This commit is contained in:
Thomas Schmitt
2011-12-25 10:39:05 +00:00
parent c8debb85a3
commit 8cdba24ff9
8 changed files with 1010 additions and 35 deletions
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102
libburn/cdtext.c
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@ -438,8 +438,11 @@ ex:;
else if (flag & 1)
ret = -1;
BURN_FREE_MEM(crs.packs);
} else if (crs.num_packs > 0) {
*text_packs = crs.packs;
} else {
if (crs.num_packs > 0)
*text_packs = crs.packs;
else
BURN_FREE_MEM(crs.packs);
*num_packs = crs.num_packs;
}
return(ret);
@ -616,6 +619,7 @@ static int v07t_cdtext_to_track(struct burn_track *track, int block,
}
/* ts B11215 API */
int burn_session_input_sheet_v07t(struct burn_session *session,
char *path, int block, int flag)
{
@ -1006,3 +1010,97 @@ ex:;
return ret;
}
/* ts B11221 API */
int burn_cdtext_from_packfile(char *path, unsigned char **text_packs,
int *num_packs, int flag)
{
int ret = 0, residue = 0;
struct stat stbuf;
FILE *fp = NULL;
unsigned char head[4], tail[1];
char *msg = NULL;
BURN_ALLOC_MEM(msg, char, 4096);
if (stat(path, &stbuf) == -1) {
cannot_open:;
sprintf(msg, "Cannot open CD-TEXT pack file '%.4000s'", path);
libdax_msgs_submit(libdax_messenger, -1, 0x00020198,
LIBDAX_MSGS_SEV_FAILURE, LIBDAX_MSGS_PRIO_HIGH,
burn_printify(msg), errno, 0);
ret = 0; goto ex;
}
if (!S_ISREG(stbuf.st_mode))
goto not_a_textfile;
residue = (stbuf.st_size % 18);
if(residue != 4 && residue != 0 && residue != 1) {
not_a_textfile:;
sprintf(msg,
"File is not of usable type or content for CD-TEXT packs: '%.4000s'",
path);
libdax_msgs_submit(libdax_messenger, -1, 0x00020198,
LIBDAX_MSGS_SEV_FAILURE, LIBDAX_MSGS_PRIO_HIGH,
burn_printify(msg), 0, 0);
ret = 0; goto ex;
}
if (stbuf.st_size < 18)
goto not_a_textfile;
fp = fopen(path, "rb");
if (fp == NULL)
goto cannot_open;
if (residue == 4) { /* This is for files from cdrecord -vv -toc */
ret = fread(head, 4, 1, fp);
if (ret != 1) {
cannot_read:;
sprintf(msg,
"Cannot read all bytes from CD-TEXT pack file '%.4000s'",
path);
libdax_msgs_submit(libdax_messenger, -1, 0x00020198,
LIBDAX_MSGS_SEV_FAILURE, LIBDAX_MSGS_PRIO_HIGH,
burn_printify(msg), errno, 0);
ret = 0; goto ex;
}
if (head[0] * 256 + head[1] != stbuf.st_size - 2)
goto not_a_textfile;
}
*num_packs = (stbuf.st_size - residue) / 18;
if (*num_packs > 2048) {
/* Each block can have 256 text packs.
There are 8 blocks at most. */
sprintf(msg,
"CD-Text pack file too large (max. 36864 bytes): '%.4000s'",
path);
libdax_msgs_submit(libdax_messenger, -1, 0x0002018b,
LIBDAX_MSGS_SEV_FAILURE, LIBDAX_MSGS_PRIO_HIGH,
burn_printify(msg), errno, 0);
ret = 0; goto ex;
}
BURN_ALLOC_MEM(*text_packs, unsigned char, *num_packs * 18);
ret = fread(*text_packs, *num_packs * 18, 1, fp);
if (ret != 1)
goto cannot_read;
if (residue == 1) { /* This is for Sony CDTEXT files */
ret = fread(tail, 1, 1, fp);
if (ret != 1)
goto cannot_read;
if (tail[0] != 0)
goto not_a_textfile;
}
ret= 1;
ex:;
if (ret <= 0) {
BURN_FREE_MEM(*text_packs);
*text_packs = NULL;
*num_packs = 0;
}
if (fp != NULL)
fclose(fp);
BURN_FREE_MEM(msg);
return ret;
}