ca1b920896
runtime data fields are filled like any other fields in the mp3entry struct during the call to get_metadata(); HWCODEC still uses the old callback mechanism git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15463 a1c6a512-1295-4272-9138-f99709370657
331 lines
8 KiB
C
331 lines
8 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2005 Dave Chapman
|
|
*
|
|
* All files in this archive are subject to the GNU General Public License.
|
|
* See the file COPYING in the source tree root for full license agreement.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <ctype.h>
|
|
#include <inttypes.h>
|
|
|
|
#include "system.h"
|
|
#include "playback.h"
|
|
#include "debug.h"
|
|
#include "logf.h"
|
|
#ifdef HAVE_TAGCACHE
|
|
#include "tagtree.h"
|
|
#endif
|
|
#include "cuesheet.h"
|
|
|
|
#if CONFIG_CODEC == SWCODEC
|
|
|
|
#include "metadata/metadata_common.h"
|
|
#include "metadata/metadata_parsers.h"
|
|
|
|
static const unsigned short a52_bitrates[] =
|
|
{
|
|
32, 40, 48, 56, 64, 80, 96, 112, 128, 160,
|
|
192, 224, 256, 320, 384, 448, 512, 576, 640
|
|
};
|
|
|
|
/* Only store frame sizes for 44.1KHz - others are simply multiples
|
|
of the bitrate */
|
|
static const unsigned short a52_441framesizes[] =
|
|
{
|
|
69 * 2, 70 * 2, 87 * 2, 88 * 2, 104 * 2, 105 * 2, 121 * 2,
|
|
122 * 2, 139 * 2, 140 * 2, 174 * 2, 175 * 2, 208 * 2, 209 * 2,
|
|
243 * 2, 244 * 2, 278 * 2, 279 * 2, 348 * 2, 349 * 2, 417 * 2,
|
|
418 * 2, 487 * 2, 488 * 2, 557 * 2, 558 * 2, 696 * 2, 697 * 2,
|
|
835 * 2, 836 * 2, 975 * 2, 976 * 2, 1114 * 2, 1115 * 2, 1253 * 2,
|
|
1254 * 2, 1393 * 2, 1394 * 2
|
|
};
|
|
|
|
#endif /* CONFIG_CODEC == SWCODEC */
|
|
|
|
|
|
/* Simple file type probing by looking at the filename extension. */
|
|
unsigned int probe_file_format(const char *filename)
|
|
{
|
|
char *suffix;
|
|
unsigned int i;
|
|
|
|
suffix = strrchr(filename, '.');
|
|
|
|
if (suffix == NULL)
|
|
{
|
|
return AFMT_UNKNOWN;
|
|
}
|
|
|
|
/* skip '.' */
|
|
suffix++;
|
|
|
|
for (i = 1; i < AFMT_NUM_CODECS; i++)
|
|
{
|
|
/* search extension list for type */
|
|
const char *ext = audio_formats[i].ext_list;
|
|
|
|
do
|
|
{
|
|
if (strcasecmp(suffix, ext) == 0)
|
|
{
|
|
return i;
|
|
}
|
|
|
|
ext += strlen(ext) + 1;
|
|
}
|
|
while (*ext != '\0');
|
|
}
|
|
|
|
return AFMT_UNKNOWN;
|
|
}
|
|
|
|
/* Get metadata for track - return false if parsing showed problems with the
|
|
* file that would prevent playback.
|
|
*/
|
|
bool get_metadata(struct mp3entry* id3, int fd, const char* trackname)
|
|
{
|
|
#if CONFIG_CODEC == SWCODEC
|
|
unsigned char* buf;
|
|
unsigned long totalsamples;
|
|
int i;
|
|
#endif
|
|
|
|
/* Clear the mp3entry to avoid having bogus pointers appear */
|
|
memset(id3, 0, sizeof(struct mp3entry));
|
|
|
|
/* Take our best guess at the codec type based on file extension */
|
|
id3->codectype = probe_file_format(trackname);
|
|
|
|
/* Load codec specific track tag information and confirm the codec type. */
|
|
switch (id3->codectype)
|
|
{
|
|
case AFMT_MPA_L1:
|
|
case AFMT_MPA_L2:
|
|
case AFMT_MPA_L3:
|
|
if (!get_mp3_metadata(fd, id3, trackname))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
break;
|
|
|
|
#if CONFIG_CODEC == SWCODEC
|
|
case AFMT_FLAC:
|
|
if (!get_flac_metadata(fd, id3))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
break;
|
|
|
|
case AFMT_WMA:
|
|
if (!get_asf_metadata(fd, id3))
|
|
{
|
|
return false;
|
|
}
|
|
break;
|
|
|
|
case AFMT_APE:
|
|
if (!get_monkeys_metadata(fd, id3))
|
|
{
|
|
return false;
|
|
}
|
|
read_ape_tags(fd, id3);
|
|
break;
|
|
|
|
case AFMT_MPC:
|
|
if (!get_musepack_metadata(fd, id3))
|
|
return false;
|
|
read_ape_tags(fd, id3);
|
|
break;
|
|
|
|
case AFMT_OGG_VORBIS:
|
|
if (!get_vorbis_metadata(fd, id3))/*detects and handles Ogg/Speex files*/
|
|
{
|
|
return false;
|
|
}
|
|
|
|
break;
|
|
|
|
case AFMT_SPEEX:
|
|
if (!get_speex_metadata(fd, id3))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
break;
|
|
|
|
case AFMT_PCM_WAV:
|
|
if (!get_wave_metadata(fd, id3))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
break;
|
|
|
|
case AFMT_WAVPACK:
|
|
if (!get_wavpack_metadata(fd, id3))
|
|
return false;
|
|
|
|
read_ape_tags(fd, id3); /* use any apetag info we find */
|
|
break;
|
|
|
|
case AFMT_A52:
|
|
/* Use the trackname part of the id3 structure as a temporary buffer */
|
|
buf = (unsigned char *)id3->path;
|
|
|
|
if ((lseek(fd, 0, SEEK_SET) < 0) || (read(fd, buf, 5) < 5))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if ((buf[0] != 0x0b) || (buf[1] != 0x77))
|
|
{
|
|
logf("%s is not an A52/AC3 file\n",trackname);
|
|
return false;
|
|
}
|
|
|
|
i = buf[4] & 0x3e;
|
|
|
|
if (i > 36)
|
|
{
|
|
logf("A52: Invalid frmsizecod: %d\n",i);
|
|
return false;
|
|
}
|
|
|
|
id3->bitrate = a52_bitrates[i >> 1];
|
|
id3->vbr = false;
|
|
id3->filesize = filesize(fd);
|
|
|
|
switch (buf[4] & 0xc0)
|
|
{
|
|
case 0x00:
|
|
id3->frequency = 48000;
|
|
id3->bytesperframe=id3->bitrate * 2 * 2;
|
|
break;
|
|
|
|
case 0x40:
|
|
id3->frequency = 44100;
|
|
id3->bytesperframe = a52_441framesizes[i];
|
|
break;
|
|
|
|
case 0x80:
|
|
id3->frequency = 32000;
|
|
id3->bytesperframe = id3->bitrate * 3 * 2;
|
|
break;
|
|
|
|
default:
|
|
logf("A52: Invalid samplerate code: 0x%02x\n", buf[4] & 0xc0);
|
|
return false;
|
|
break;
|
|
}
|
|
|
|
/* One A52 frame contains 6 blocks, each containing 256 samples */
|
|
totalsamples = id3->filesize / id3->bytesperframe * 6 * 256;
|
|
id3->length = totalsamples / id3->frequency * 1000;
|
|
break;
|
|
|
|
case AFMT_ALAC:
|
|
case AFMT_AAC:
|
|
if (!get_mp4_metadata(fd, id3))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
break;
|
|
|
|
case AFMT_SHN:
|
|
id3->vbr = true;
|
|
id3->filesize = filesize(fd);
|
|
if (!skip_id3v2(fd, id3))
|
|
{
|
|
return false;
|
|
}
|
|
/* TODO: read the id3v2 header if it exists */
|
|
break;
|
|
|
|
case AFMT_SID:
|
|
if (!get_sid_metadata(fd, id3))
|
|
{
|
|
return false;
|
|
}
|
|
break;
|
|
case AFMT_SPC:
|
|
if(!get_spc_metadata(fd, id3))
|
|
{
|
|
DEBUGF("get_spc_metadata error\n");
|
|
}
|
|
|
|
id3->filesize = filesize(fd);
|
|
id3->genre_string = id3_get_num_genre(36);
|
|
break;
|
|
case AFMT_ADX:
|
|
if (!get_adx_metadata(fd, id3))
|
|
{
|
|
DEBUGF("get_adx_metadata error\n");
|
|
return false;
|
|
}
|
|
|
|
break;
|
|
case AFMT_NSF:
|
|
buf = (unsigned char *)id3->path;
|
|
if ((lseek(fd, 0, SEEK_SET) < 0) || ((read(fd, buf, 8)) < 8))
|
|
{
|
|
DEBUGF("lseek or read failed\n");
|
|
return false;
|
|
}
|
|
id3->vbr = false;
|
|
id3->filesize = filesize(fd);
|
|
if (memcmp(buf,"NESM",4) && memcmp(buf,"NSFE",4)) return false;
|
|
break;
|
|
|
|
case AFMT_AIFF:
|
|
if (!get_aiff_metadata(fd, id3))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
break;
|
|
|
|
#endif /* CONFIG_CODEC == SWCODEC */
|
|
|
|
default:
|
|
/* If we don't know how to read the metadata, assume we can't play
|
|
the file */
|
|
return false;
|
|
break;
|
|
}
|
|
|
|
/* We have successfully read the metadata from the file */
|
|
|
|
#ifndef __PCTOOL__
|
|
if (cuesheet_is_enabled() && look_for_cuesheet_file(trackname, NULL))
|
|
{
|
|
id3->cuesheet_type = 1;
|
|
}
|
|
#endif
|
|
|
|
lseek(fd, 0, SEEK_SET);
|
|
strncpy(id3->path, trackname, sizeof(id3->path));
|
|
|
|
#ifdef HAVE_TAGCACHE
|
|
tagtree_buffer_event(id3);
|
|
#endif
|
|
|
|
return true;
|
|
}
|
|
|