#include "config.h"
#endif
+#define _XOPEN_SOURCE 600
#include <lightmediascanner_plugin.h>
#include <lightmediascanner_db.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <unistd.h>
enum StreamTypes {
STREAM_TYPE_UNKNOWN = 0,
LMS_STATIC_STRING_SIZE(".asf")
};
+/* ASF GUIDs
+ *
+ * Microsoft defines these 16-byte (128-bit) GUIDs as:
+ * first 8 bytes are in little-endian order
+ * next 8 bytes are in big-endian order
+ *
+ * Eg.: AaBbCcDd-EeFf-GgHh-IiJj-KkLlMmNnOoPp:
+ *
+ * to convert to byte string do as follow:
+ *
+ * $Dd $Cc $Bb $Aa $Ff $Ee $Hh $Gg $Ii $Jj $Kk $Ll $Mm $Nn $Oo $Pp
+ *
+ * See http://www.microsoft.com/windows/windowsmedia/forpros/format/asfspec.aspx
+ */
static const char header_guid[16] = "\x30\x26\xB2\x75\x8E\x66\xCF\x11\xA6\xD9\x00\xAA\x00\x62\xCE\x6C";
static const char file_properties_guid[16] = "\xA1\xDC\xAB\x8C\x47\xA9\xCF\x11\x8E\xE4\x00\xC0\x0C\x20\x53\x65";
static const char stream_properties_guid[16] = "\x91\x07\xDC\xB7\xB7\xA9\xCF\x11\x8E\xE6\x00\xC0\x0C\x20\x53\x65";
static const char content_encryption_object_guid[16] = "\xFB\xB3\x11\x22\x23\xBD\xD2\x11\xB4\xB7\x00\xA0\xC9\x55\xFC\x6E";
static const char extended_content_encryption_object_guid[16] = "\x14\xE6\x8A\x29\x22\x26\x17\x4C\xB9\x35\xDA\xE0\x7E\xE9\x28\x9C";
+static const char attr_name_wm_album_title[26] = "\x57\x00\x4d\x00\x2f\x00\x41\x00\x6c\x00\x62\x00\x75\x00\x6d\x00\x54\x00\x69\x00\x74\x00\x6c\x00\x65\x00";
+static const char attr_name_wm_genre[16] = "\x57\x00\x4d\x00\x2f\x00\x47\x00\x65\x00\x6e\x00\x72\x00\x65\x00";
+static const char attr_name_wm_track_number[28] = "\x57\x00\x4d\x00\x2f\x00\x54\x00\x72\x00\x61\x00\x63\x00\x6b\x00\x4e\x00\x75\x00\x6d\x00\x62\x00\x65\x00\x72\x00";
+
static long long
_to_number(const char *data, unsigned int type_size, unsigned int data_size)
{
long long sum = 0;
unsigned int last, i;
- last = data_size > type_size ? type_size - 1 : data_size - 1;
+ last = data_size > type_size ? type_size : data_size;
- for (i = 0; i <= last; i++)
+ for (i = 0; i < last; i++)
sum |= (unsigned char) (data[i]) << (i * 8);
return sum;
_read_word(int fd)
{
char v[2];
- if (read(fd, &v, 2) != 2) {
+ if (read(fd, &v, 2) != 2)
return 0;
- }
- return (unsigned int) _to_number(v, sizeof(unsigned short), 2);
+ return (short) _to_number(v, sizeof(unsigned short), 2);
}
static unsigned int
_read_dword(int fd)
{
char v[4];
- if (read(fd, &v, 4) != 4) {
+ if (read(fd, &v, 4) != 4)
return 0;
- }
return (unsigned int) _to_number(v, sizeof(unsigned int), 4);
}
_read_qword(int fd)
{
char v[8];
- if (read(fd, &v, 8) != 8) {
+ if (read(fd, &v, 8) != 8)
return 0;
- }
- return (unsigned int) _to_number(v, sizeof(unsigned long long), 8);
+ return _to_number(v, sizeof(unsigned long long), 8);
}
static int
char *data;
size_t data_size, size;
- data = (char *) malloc(sizeof(char) * count);
+ if (!str) {
+ lseek(fd, count, SEEK_CUR);
+ return 0;
+ }
+
+ data = malloc(sizeof(char) * count);
data_size = read(fd, data, count);
if (data_size == -1) {
free(data);
size = data_size;
while (size >= 2) {
- if (data[size - 1] != '\0' || data[size - 2] != '\0') {
+ if (data[size - 1] != '\0' || data[size - 2] != '\0')
break;
- }
size -= 2;
}
int copyright_length = _read_word(fd);
int comment_length = _read_word(fd);
int rating_length = _read_word(fd);
- int len;
- char *copyright, *comment, *rating;
_read_string(fd, title_length, &info->title.str, &info->title.len);
lms_charset_conv_force(cs_conv, &info->title.str, &info->title.len);
_read_string(fd, artist_length, &info->artist.str, &info->artist.len);
lms_charset_conv_force(cs_conv, &info->artist.str, &info->artist.len);
- _read_string(fd, copyright_length, ©right, &len);
- _read_string(fd, comment_length, &comment, &len);
- _read_string(fd, rating_length, &rating, &len);
+ /* ignore copyright, comment and rating */
+ lseek(fd, copyright_length + comment_length + rating_length, SEEK_CUR);
}
static void
/* extended content descriptor */
if (kind == 0) {
attr_name_length = _read_word(fd);
- if (attr_name)
- _read_string(fd, attr_name_length, attr_name, attr_name_len);
- else
- lseek(fd, attr_name_length, SEEK_CUR);
+ _read_string(fd, attr_name_length, attr_name, attr_name_len);
*attr_type = _read_word(fd);
*attr_size = _read_word(fd);
}
/* metadata & metadata library */
else {
- lseek(fd, 2, SEEK_CUR); /* language */
- lseek(fd, 2, SEEK_CUR); /* stream */
+ lseek(fd, 2 + 2, SEEK_CUR); /* language and stream */
attr_name_length = _read_word(fd);
*attr_type = _read_word(fd);
*attr_size = _read_dword(fd);
- if (attr_name)
- _read_string(fd, attr_name_length, attr_name, attr_name_len);
- else
- lseek(fd, attr_name_length, SEEK_CUR);
+ _read_string(fd, attr_name_length, attr_name, attr_name_len);
}
}
break;
case ATTR_TYPE_BOOL:
- if (kind == 0) {
+ if (kind == 0)
lseek(fd, 4, SEEK_CUR);
- }
- else {
+ else
lseek(fd, 2, SEEK_CUR);
- }
break;
case ATTR_TYPE_DWORD:
&attr_name, &attr_name_len,
&attr_type, &attr_size);
if (attr_type == ATTR_TYPE_UNICODE) {
- lms_charset_conv_force(cs_conv, &attr_name, &attr_name_len);
- if (strcmp(attr_name, "WM/AlbumTitle") == 0)
+ if (memcmp(attr_name, attr_name_wm_album_title, attr_name_len) == 0)
_parse_attribute_string_data(cs_conv,
fd, attr_size,
&info->album.str,
&info->album.len);
- else if (strcmp(attr_name, "WM/Genre") == 0)
+ else if (memcmp(attr_name, attr_name_wm_genre, attr_name_len) == 0)
_parse_attribute_string_data(cs_conv,
fd, attr_size,
&info->genre.str,
&info->genre.len);
- else if (strcmp(attr_name, "WM/TrackNumber") == 0) {
+ else if (memcmp(attr_name, attr_name_wm_track_number, attr_name_len) == 0) {
char *trackno;
size_t trackno_len;
_parse_attribute_string_data(cs_conv,
_skip_metadata(int fd)
{
int count = _read_word(fd);
- while (count--) {
+ while (count--)
_skip_attribute(fd, 1);
- }
}
static void
_skip_metadata_library(int fd)
{
int count = _read_word(fd);
- while (count--) {
+ while (count--)
_skip_attribute(fd, 2);
- }
}
static void
while (data_pos < data_size) {
read(fd, &guid, 16);
size = _read_qword(fd);
- if (memcmp(guid, metadata_guid, 16) == 0) {
+ if (size == 0)
+ break;
+ if (memcmp(guid, metadata_guid, 16) == 0)
_skip_metadata(fd);
- }
- else if (memcmp(guid, metadata_library_guid, 16) == 0) {
+ else if (memcmp(guid, metadata_library_guid, 16) == 0)
_skip_metadata_library(fd);
- }
- else {
+ else
lseek(fd, size - 24, SEEK_CUR);
- }
data_pos += size;
}
}
static int
_parse(struct plugin *plugin, struct lms_context *ctxt, const struct lms_file_info *finfo, void *match)
{
- struct asf_info info = {0};
+ struct asf_info info = {{0}, {0}, {0}, {0}, 0};
struct lms_audio_info audio_info = {0};
struct lms_video_info video_info = {0};
int r, fd, num_objects, i;
}
_strstrip(&info.title.str, &info.title.len);
- _strstrip(&info.artist.str, &info.genre.len);
+ _strstrip(&info.artist.str, &info.artist.len);
_strstrip(&info.album.str, &info.album.len);
_strstrip(&info.genre.str, &info.genre.len);
if (!info.title.str) {
int ext_idx;
- if (info.title.str)
- free(info.title.str);
ext_idx = ((int)match) - 1;
info.title.len = finfo->path_len - finfo->base - _exts[ext_idx].len;
info.title.str = malloc((info.title.len + 1) * sizeof(char));
#if 0
fprintf(stderr, "file %s info\n", finfo->path);
- fprintf(stderr, "\ttitle='%s' len=%d\n", info.title.str, info.title.len);
+ fprintf(stderr, "\ttitle='%s'\n", info.title.str);
fprintf(stderr, "\tartist='%s'\n", info.artist.str);
fprintf(stderr, "\talbum='%s'\n", info.album.str);
fprintf(stderr, "\tgenre='%s'\n", info.genre.str);
projects / lms / blobdiff