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/*
DeaDBeeF - ultimate music player for GNU/Linux systems with X11
Copyright (C) 2009 Alexey Yakovenko
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <vorbis/codec.h>
#include <vorbis/vorbisfile.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "deadbeef.h"
//#include "decoder.h"
//#include "plugin.h"
//#include "playlist.h"
static DB_decoder_t plugin;
static DB_functions_t *deadbeef;
static FILE *file;
static OggVorbis_File vorbis_file;
static vorbis_info *vi;
static int cur_bit_stream;
static float timestart;
static float timeend;
static void
cvorbis_free (void);
static int
cvorbis_seek (float time);
static int
cvorbis_init (DB_playItem_t *it) {
file = NULL;
vi = NULL;
cur_bit_stream = -1;
file = fopen (it->fname, "rb");
if (!file) {
return -1;
}
memset (&plugin.info, 0, sizeof (plugin.info));
ov_open (file, &vorbis_file, NULL, 0);
vi = ov_info (&vorbis_file, -1);
if (!vi) { // not a vorbis stream
cvorbis_free ();
return -1;
}
plugin.info.bps = 16;
//plugin.info.dataSize = ov_pcm_total (&vorbis_file, -1) * vi->channels * 2;
plugin.info.channels = vi->channels;
plugin.info.samplerate = vi->rate;
plugin.info.readpos = 0;
if (it->timeend > 0) {
timestart = it->timestart;
timeend = it->timeend;
cvorbis_seek (0);
}
else {
timestart = 0;
timeend = it->duration;
}
return 0;
}
static void
cvorbis_free (void) {
if (file) {
ov_clear (&vorbis_file);
//fclose (file); //-- ov_clear closes it
file = NULL;
vi = NULL;
}
}
static int
cvorbis_read (char *bytes, int size) {
if (plugin.info.readpos >= (timeend - timestart)) {
return 0;
}
int initsize = size;
for (;;)
{
// read ogg
int endianess = 0;
#if WORDS_BIGENDIAN
endianess = 1;
#endif
long ret=ov_read (&vorbis_file, bytes, size, endianess, 2, 1, &cur_bit_stream);
if (ret < 0)
{
break;
}
else if (ret == 0) {
break;
}
else if (ret < size)
{
size -= ret;
bytes += ret;
}
else {
size = 0;
break;
}
}
plugin.info.readpos = ov_time_tell(&vorbis_file) - timestart;
if (plugin.info.readpos >= (timeend - timestart)) {
return 0;
}
return initsize - size;
}
static int
cvorbis_seek (float time) {
time += timestart;
if (!file) {
return -1;
}
int res = ov_time_seek (&vorbis_file, time);
if (res != 0 && res != OV_ENOSEEK)
return -1;
plugin.info.readpos = ov_time_tell(&vorbis_file) - timestart;
return 0;
}
static DB_playItem_t *
cvorbis_insert (DB_playItem_t *after, const char *fname) {
// check for validity
FILE *fp = fopen (fname, "rb");
if (!fp) {
return NULL;
}
OggVorbis_File vorbis_file;
vorbis_info *vi;
ov_open (fp, &vorbis_file, NULL, 0);
vi = ov_info (&vorbis_file, -1);
if (!vi) { // not a vorbis stream
return NULL;
}
DB_playItem_t *it = deadbeef->pl_item_alloc ();
it->decoder = &plugin;
it->fname = strdup (fname);
it->filetype = "OggVorbis";
it->duration = ov_seekable (&vorbis_file) ? ov_time_total (&vorbis_file, -1) : -1;
DB_playItem_t *cue_after = deadbeef->pl_insert_cue (after, fname, &plugin, it->filetype);
if (cue_after) {
cue_after->timeend = it->duration;
cue_after->duration = cue_after->timeend - cue_after->timestart;
deadbeef->pl_item_free (it);
ov_clear (&vorbis_file);
return cue_after;
}
// metainfo
int title_added = 0;
vorbis_comment *vc = ov_comment (&vorbis_file, -1);
if (vc) {
deadbeef->pl_add_meta (it, "vendor", vc->vendor);
for (int i = 0; i < vc->comments; i++) {
if (!strncmp (vc->user_comments[i], "artist=", 7)) {
deadbeef->pl_add_meta (it, "artist", vc->user_comments[i] + 7);
}
else if (!strncmp (vc->user_comments[i], "title=", 6)) {
deadbeef->pl_add_meta (it, "title", vc->user_comments[i] + 6);
title_added = 1;
}
else if (!strncmp (vc->user_comments[i], "date=", 5)) {
deadbeef->pl_add_meta (it, "date", vc->user_comments[i] + 5);
}
}
}
if (!title_added) {
deadbeef->pl_add_meta (it, "title", NULL);
}
ov_clear (&vorbis_file);
after = deadbeef->pl_insert_item (after, it);
return after;
}
static const char * exts[] = { "ogg", NULL };
static const char *filetypes[] = { "OggVorbis", NULL };
// define plugin interface
static DB_decoder_t plugin = {
.plugin.version_major = 0,
.plugin.version_minor = 1,
.plugin.type = DB_PLUGIN_DECODER,
.plugin.name = "OggVorbis decoder",
.plugin.author = "Alexey Yakovenko",
.plugin.email = "waker@users.sourceforge.net",
.plugin.website = "http://deadbeef.sf.net",
.init = cvorbis_init,
.free = cvorbis_free,
.read_int16 = cvorbis_read,
// vorbisfile can't output float32
// .read_float32 = cvorbis_read_float32,
.seek = cvorbis_seek,
.insert = cvorbis_insert,
.exts = exts,
.id = "stdogg",
.filetypes = filetypes
};
DB_plugin_t *
oggvorbis_load (DB_functions_t *api) {
deadbeef = api;
return DB_PLUGIN (&plugin);
}
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