/*
- * Copyright (C) 2004-2007 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2004-2009 Andre Noll <maan@systemlinux.org>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
static size_t cb_read(void *buf, size_t size, size_t nmemb, void *datasource)
{
struct ogg_datasource *ods = datasource;
- size_t copy = PARA_MIN(ods->numbytes - ods->fpos, size * nmemb),
- ret = copy / size;
+ size_t copy, ret;
+
+ if (!size)
+ return 0;
+
+ assert(ods->numbytes >= ods->fpos);
+ ret = ods->numbytes - ods->fpos;
+ copy = PARA_MIN(ret, size * nmemb);
+ ret = copy / size;
if (!ret)
return 0;
memcpy(buf, ods->map + ods->fpos, copy);
}
static int ogg_compute_header_len(char *map, size_t numbytes,
- struct audio_format_info *afi)
+ struct afh_info *afhi)
{
int ret;
- size_t len = PARA_MIN(numbytes, CHUNK_SIZE);
+ size_t len = PARA_MIN(numbytes, (size_t)CHUNK_SIZE);
int serial;
char *buf;
goto err2;
PARA_DEBUG_LOG("channels: %i, rate: %li\n", vi.channels, vi.rate);
ogg_stream_packetin(stream_out, &packet);
-
ret = ogg_sync_pageout(sync_in, &page);
if (ret <= 0) {
ret = -E_SYNC_PAGEOUT;
ogg_stream_packetout(stream_in, &packet);
ogg_stream_packetin(stream_out, &packet);
- afi->header_len = 0;
+ afhi->header_len = 0;
while (ogg_stream_flush(stream_out, &page))
- afi->header_len += page.body_len + page.header_len;
- PARA_DEBUG_LOG("header_len = %d\n", afi->header_len);
- afi->header_offset = 0;
+ afhi->header_len += page.body_len + page.header_len;
+ PARA_DEBUG_LOG("header_len = %d\n", afhi->header_len);
+ afhi->header_offset = 0;
ret = 1;
err2:
ogg_stream_destroy(stream_in);
* CHUNK_TIME begins. Always successful.
*/
static long unsigned ogg_compute_chunk_table(OggVorbis_File *of,
- struct audio_format_info *afi, long unsigned time_total)
+ struct afh_info *afhi, long unsigned time_total)
{
int i, ret, num;
- ssize_t max_chunk_len, pos = 0, min = 0, old_pos;
long unsigned num_chunks;
+ ogg_int64_t max = 0, min = 0, old_pos = 0;
- old_pos = 0;
- ret = 0;
num = time_total / chunk_time + 3;
PARA_DEBUG_LOG("chunk time: %g allocating %d chunk pointers\n",
chunk_time, num);
- afi->chunk_table = para_malloc((num + 1) * sizeof(size_t));
- afi->chunk_table[0] = 0;
- max_chunk_len = 0;
- for (i = 1; ret <= num; i++) {
- ogg_int64_t diff;
+ afhi->chunk_table = para_malloc((num + 1) * sizeof(size_t));
+ afhi->chunk_table[0] = 0;
+ for (i = 1; i <= num; i++) {
+ ogg_int64_t diff, pos;
ret = ov_time_seek(of, i * chunk_time);
if (ret)
break;
pos = ov_raw_tell(of);
diff = pos - old_pos;
- max_chunk_len = PARA_MAX(max_chunk_len, diff);
+ max = PARA_MAX(max, diff);
min = (i == 1)? diff : PARA_MIN(min, diff);
- afi->chunk_table[i] = pos;
-// if (i < 11 || !((i - 1) % 1000)|| i > num - 11)
-// PARA_DEBUG_LOG("chunk #%d: %g secs, pos: %zd, "
-// "size: %zd\n", i - 1,
-// i * chunk_time, pos, pos - old_pos);
+ afhi->chunk_table[i] = pos;
old_pos = pos;
}
num_chunks = i - 1;
-//fi->chunk_table[i] = pos;
- PARA_DEBUG_LOG("%lu chunks (%fs), max chunk: %zd, min chunk: %zd\n",
- num_chunks, chunk_time, max_chunk_len, min);
+ PARA_DEBUG_LOG("%lu chunks (%fs), max chunk: %lld, min chunk: %lld\n",
+ num_chunks, chunk_time, (long long)max, (long long)min);
return num_chunks;
}
+static void ogg_write_info_string(OggVorbis_File *vf, struct afh_info *afhi)
+{
+ char *taginfo;
+ vorbis_comment *vc = ov_comment(vf,-1);
+
+ if (vc) {
+ char *artist, *title, *album, *year, *comment;
+ artist = vorbis_comment_query(vc, "artist", 0);
+ title = vorbis_comment_query(vc, "title", 0);
+ album = vorbis_comment_query(vc, "album", 0);
+ year = vorbis_comment_query(vc, "year", 0);
+ comment = vorbis_comment_query(vc, "comment", 0);
+ taginfo = make_taginfo(title, artist, album, year, comment);
+ } else
+ taginfo = make_message("%s: (no vorbis comments found)\n%s:\n",
+ status_item_list[SI_TAGINFO1],
+ status_item_list[SI_TAGINFO2]);
+ afhi->info_string = make_message("%s:\n%s",
+ status_item_list[SI_AUDIO_FILE_INFO], taginfo);
+ free(taginfo);
+}
+
/*
* Init oggvorbis file and write some tech data to given pointers.
*/
-static int ogg_get_file_info(char *map, size_t numbytes,
- struct audio_format_info *afi)
+static int ogg_get_file_info(char *map, size_t numbytes, __a_unused int fd,
+ struct afh_info *afhi)
{
int ret;
vorbis_info *vi;
};
struct ogg_datasource ods = {.map = map, .numbytes = numbytes, .fpos = 0};
- ret = ogg_compute_header_len(map, numbytes, afi);
+ ret = ogg_compute_header_len(map, numbytes, afhi);
if (ret < 0)
return ret;
ret = ogg_open_callbacks(&ods, &of, ovc);
vi = ov_info(&of, 0);
if (!vi)
goto err;
- afi->seconds_total = ov_time_total(&of, -1);
- afi->frequency = vi->rate;
- afi->bitrate = ov_bitrate(&of, 0) / 1000;
- afi->channels = vi->channels;
- afi->chunks_total = ogg_compute_chunk_table(&of, afi, afi->seconds_total);
- sprintf(afi->info_string, "audio_file_info1:%lu x %lu, %ukHz, "
- "%d channels, %ukbps\n"
- "audio_file_info2: \n"
- "audio_file_info3: \n",
- afi->chunks_total, (long unsigned) (chunk_time * 1000 * 1000),
- afi->frequency / 1000, vi->channels, afi->bitrate
- );
- afi->chunk_tv.tv_sec = 0;
- afi->chunk_tv.tv_usec = 250 * 1000;
- tv_scale(3, &afi->chunk_tv, &afi->eof_tv);
+ afhi->seconds_total = ov_time_total(&of, -1);
+ afhi->frequency = vi->rate;
+ afhi->bitrate = ov_bitrate(&of, 0) / 1000;
+ afhi->channels = vi->channels;
+ afhi->chunks_total = ogg_compute_chunk_table(&of, afhi, afhi->seconds_total);
+ afhi->chunk_tv.tv_sec = 0;
+ afhi->chunk_tv.tv_usec = 250 * 1000;
+ tv_scale(10 / afhi->channels, &afhi->chunk_tv, &afhi->eof_tv);
+ ogg_write_info_string(&of, afhi);
ret = 1;
err:
ov_clear(&of); /* keeps the file open */
projects / paraslash.git / blobdiff