* Johannes Overmann <overmann@iname.com>
*/
-#include "server.cmdline.h"
#include "server.h"
-#include "vss.h"
#include "error.h"
-#include "fd.h"
#include "string.h"
/** \cond some defines and structs which are only used in this file */
int id3_isvalid;
struct id3tag id3;
int vbr;
- long unsigned br_average;
- int freq;
};
/** \endcond */
h->mode = 4; /* invalid */
return mode_text[h->mode];
}
+
+static int header_channels(struct mp3header *h)
+{
+ if (h->mode > 3)
+ return 0;
+ if (h->mode < 3)
+ return 2;
+ return 1;
+}
+
static int header_bitrate(struct mp3header *h)
{
- if (h->layer > 3 || h->bitrate > 14)
+ if (!h->layer || h->layer > 3 || h->bitrate > 14 || !h->bitrate)
return -E_HEADER_BITRATE;
return mp3info_bitrate[h->version & 1][3 - h->layer][h->bitrate - 1];
}
int v = mp3.id3_isvalid;
snprintf(afi->info_string, MMD_INFO_SIZE,
- "audio_file_info1:%lu x %lums, %lu kbit/s (%cbr) %i KHz %s\n"
+ "audio_file_info1:%lu x %lums, %u kbit/s (%cbr) %i KHz %s\n"
"audio_file_info2:%s, by %s\n"
"audio_file_info3:A: %s, Y: %s, C: %s\n",
afi->chunks_total,
tv2ms(&afi->chunk_tv),
- mp3.br_average,
+ afi->bitrate,
mp3.vbr? 'v' : 'c',
- mp3.freq / 1000,
+ afi->frequency / 1000,
header_mode(&mp3.header),
v && *mp3.id3.title? mp3.id3.title : "(title tag not set)",
v && *mp3.id3.artist? mp3.id3.artist : "(artist tag not set)",
return ret;
}
-/**
+/*
* find the next mp3 header
*
- * On success, the length of the next frame header is returned. If the end of
- * the file was reached, the function returns zero. On errors, a negative value
- * is returned.
- *
+ * Return the length of the next frame header or zero if the end of the file is
+ * reached.
*/
static int mp3_seek_next_header(unsigned char *map, off_t numbytes, off_t *fpos)
{
struct mp3header h, h2;
long valid_start = 0;
- while (1) {
- while ((*fpos)++ < numbytes && map[*fpos] != 0xff)
- ;
- if (*fpos >= numbytes)
- return 0;
+ for (; *fpos < numbytes; (*fpos)++) {
+ if (map[*fpos] != 0xff)
+ continue;
valid_start = *fpos;
first_len = get_header(map, numbytes, fpos, &h);
if (first_len <= 0)
return first_len;
}
}
+ return 0;
}
static void mp3_get_id3(unsigned char *map, off_t numbytes, off_t *fpos)
mp3_get_id3(map, numbytes, &fpos);
fpos = 0;
mp3.vbr = 0;
- mp3.freq = 0;
while (1) {
int freq, br, fl;
struct timeval tmp, cct; /* current chunk time */
if (!afi->chunks_total || !freq_avg || !br_avg)
goto err_out;
afi->chunk_table[afi->chunks_total] = numbytes - 1;
- mp3.br_average = br_avg;
- mp3.freq = freq_avg;
+ afi->bitrate = br_avg;
+ afi->frequency = freq_avg;
+ afi->channels = header_channels(&mp3.header);
afi->seconds_total = (tv2ms(&total_time) + 500) / 1000;
tv_divide(afi->chunks_total, &total_time, &afi->chunk_tv);
PARA_DEBUG_LOG("%lu chunks, each %lums\n", afi->chunks_total,