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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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <stdio.h>
#include <string.h>
#include <time.h>
#include "../../deadbeef.h"
#include "apewrapper.h"
#define min(x,y) ((x)<(y)?(x):(y))
#define max(x,y) ((x)>(y)?(x):(y))
static DB_decoder_t plugin;
static DB_functions_t *deadbeef;
static void *ape_dec;
static int ape_blk_size;
#define READBUF_SIZE 0x20000
static char ape_readbuf[READBUF_SIZE];
static int ape_blocks_left;
static int ape_total_blocks;
static float timestart;
static float timeend;
static int
ape_seek (float seconds);
static int
ape_init (DB_playItem_t *it) {
ape_dec = ape_decompress_create (it->fname);
if (!ape_dec) {
printf ("ape_decompress_create failed for file %s\n", it->fname);
return -1;
}
WAVEFORMATEX wfe;
ape_decompress_get_info_data (ape_dec, APE_INFO_WAVEFORMATEX, &wfe);
int size = ape_decompress_get_info_int (ape_dec, APE_INFO_WAV_HEADER_BYTES);
char buf[size];
ape_decompress_get_info_data_sized (ape_dec, APE_INFO_WAV_HEADER_DATA, buf, size);
ape_blk_size = ape_decompress_get_info_int (ape_dec, APE_INFO_BLOCK_ALIGN);
ape_total_blocks = ape_blocks_left = ape_decompress_get_info_int (ape_dec, APE_DECOMPRESS_TOTAL_BLOCKS);
plugin.info.bps = wfe.wBitsPerSample;
plugin.info.samplerate = wfe.nSamplesPerSec;
plugin.info.channels = wfe.nChannels;
plugin.info.readpos = 0;
if (it->timeend > 0) {
timestart = it->timestart;
timeend = it->timeend;
ape_seek (0);
}
else {
timestart = 0;
timeend = it->duration;
}
return 0;
}
static void
ape_free (void) {
if (ape_dec) {
ape_decompress_destroy (ape_dec);
ape_dec = NULL;
}
}
static int
ape_read (char *buffer, int size) {
int t1 = clock ();
int initsize = size;
int nblocks = size / plugin.info.channels / 2;
nblocks = min (nblocks, ape_blocks_left);
nblocks = ape_decompress_getdata (ape_dec, buffer, nblocks);
ape_blocks_left -= nblocks;
int t2 = clock ();
float t = (t2-t1) / (float)CLOCKS_PER_SEC;
if (t > 1) {
fprintf (stderr, "ape_decompress_get_data(%d bytes) took %f sec\n", size, t);
}
return nblocks * 2 * plugin.info.channels;
}
static int
ape_seek (float seconds) {
seconds += timestart;
fprintf (stderr, "seek to %f seconds\n", seconds);
float t1 = clock ();
int nblock = seconds * plugin.info.samplerate;
ape_decompress_seek (ape_dec, nblock);
ape_blocks_left = ape_total_blocks - nblock;
plugin.info.readpos = seconds - timestart;
float t2 = clock ();
fprintf (stderr, "seek took %f sec\n", (t2-t1)/(float)CLOCKS_PER_SEC);
}
static DB_playItem_t *
ape_insert (DB_playItem_t *after, const char *fname) {
void *dec = ape_decompress_create (fname);
if (!dec) {
ape_decompress_destroy (dec);
return NULL;
}
WAVEFORMATEX wfe;
ape_decompress_get_info_data (dec, APE_INFO_WAVEFORMATEX, &wfe);
fprintf (stderr, "%s\nWAVEFORMATEX:\nwFormatTag=%04x\nnChannels=%d\nnSamplesPerSec=%d\nnAvgBytesPerSec=%d\nnBlockAlign=%d\nwBitsPerSample=%d\ncbSize=%d\n", fname, wfe.wFormatTag, wfe.nChannels, wfe.nSamplesPerSec, wfe.nAvgBytesPerSec, wfe.nBlockAlign, wfe.wBitsPerSample, wfe.cbSize);
float duration = ape_decompress_get_info_int (dec, APE_DECOMPRESS_TOTAL_BLOCKS) / (float)wfe.nSamplesPerSec;
DB_playItem_t *it = deadbeef->pl_insert_cue (after, fname, &plugin, "APE");
if (it) {
it->timeend = duration;
it->duration = it->timeend - it->timestart;
return it;
}
it = deadbeef->pl_item_alloc ();
it->decoder = &plugin;
it->fname = strdup (fname);
it->filetype = "APE";
it->duration = duration;
deadbeef->pl_add_meta (it, "title", NULL);
after = deadbeef->pl_insert_item (after, it);
// print info about ape
ape_decompress_destroy (dec);
return after;
}
static const char * exts[] = { "ape", NULL };
static const char *filetypes[] = { "APE", NULL };
// define plugin interface
static DB_decoder_t plugin = {
.plugin.version_major = 0,
.plugin.version_minor = 1,
.plugin.type = DB_PLUGIN_DECODER,
.plugin.name = "Monkey's Audio decoder",
.plugin.author = "Alexey Yakovenko",
.plugin.email = "waker@users.sourceforge.net",
.plugin.website = "http://deadbeef.sf.net",
.init = ape_init,
.free = ape_free,
.read_int16 = ape_read,
.seek = ape_seek,
.insert = ape_insert,
.exts = exts,
.id = "stdape",
.filetypes = filetypes
};
DB_plugin_t *
ape_load (DB_functions_t *api) {
deadbeef = api;
return DB_PLUGIN (&plugin);
}
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