diff options
Diffstat (limited to 'apps')
-rw-r--r-- | apps/SOURCES | 1 | ||||
-rw-r--r-- | apps/metadata.c | 78 | ||||
-rw-r--r-- | apps/metadata/a52.c | 98 | ||||
-rw-r--r-- | apps/metadata/metadata_parsers.h | 1 | ||||
-rw-r--r-- | apps/metadata/mpc.c | 5 |
5 files changed, 109 insertions, 74 deletions
diff --git a/apps/SOURCES b/apps/SOURCES index 597eb48b23..9b29605a83 100644 --- a/apps/SOURCES +++ b/apps/SOURCES @@ -126,6 +126,7 @@ metadata/spc.c metadata/vorbis.c metadata/wave.c metadata/wavpack.c +metadata/a52.c #endif #ifdef HAVE_TAGCACHE tagcache.c diff --git a/apps/metadata.c b/apps/metadata.c index 0d69cb1645..556350bfb6 100644 --- a/apps/metadata.c +++ b/apps/metadata.c @@ -36,24 +36,6 @@ #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 */ @@ -100,8 +82,6 @@ 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 */ @@ -179,64 +159,19 @@ bool get_metadata(struct mp3entry* id3, int fd, const char* trackname) 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) + if (!get_a52_metadata(fd, id3)) { - 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: @@ -264,15 +199,17 @@ bool get_metadata(struct mp3entry* id3, int fd, const char* trackname) return false; } break; + case AFMT_SPC: - if(!get_spc_metadata(fd, id3)) + if (!get_spc_metadata(fd, id3)) { DEBUGF("get_spc_metadata error\n"); + return false; } - id3->filesize = filesize(fd); id3->genre_string = id3_get_num_genre(36); break; + case AFMT_ADX: if (!get_adx_metadata(fd, id3)) { @@ -281,6 +218,7 @@ bool get_metadata(struct mp3entry* id3, int fd, const char* trackname) } break; + case AFMT_NSF: buf = (unsigned char *)id3->path; if ((lseek(fd, 0, SEEK_SET) < 0) || ((read(fd, buf, 8)) < 8)) diff --git a/apps/metadata/a52.c b/apps/metadata/a52.c new file mode 100644 index 0000000000..0ed85d37ed --- /dev/null +++ b/apps/metadata/a52.c @@ -0,0 +1,98 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id: metadata.c 15859 2007-11-30 18:48:07Z lostlogic $ + * + * Copyright (C) 2005 Magnus Holmgren + * + * 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 "id3.h" +#include "logf.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 +}; + +bool get_a52_metadata(int fd, struct mp3entry *id3) +{ + /* Use the trackname part of the id3 structure as a temporary buffer */ + unsigned char* buf = (unsigned char *)id3->path; + unsigned long totalsamples; + int i; + + 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; + return true; +} diff --git a/apps/metadata/metadata_parsers.h b/apps/metadata/metadata_parsers.h index 315305b0df..5fbdf6f756 100644 --- a/apps/metadata/metadata_parsers.h +++ b/apps/metadata/metadata_parsers.h @@ -30,4 +30,5 @@ bool get_speex_metadata(int fd, struct mp3entry* id3); bool get_vorbis_metadata(int fd, struct mp3entry* id3); bool get_wave_metadata(int fd, struct mp3entry* id3); bool get_wavpack_metadata(int fd, struct mp3entry* id3); +bool get_a52_metadata(int fd, struct mp3entry* id3); bool get_asf_metadata(int fd, struct mp3entry* id3); diff --git a/apps/metadata/mpc.c b/apps/metadata/mpc.c index 186ff29c35..298f8faa40 100644 --- a/apps/metadata/mpc.c +++ b/apps/metadata/mpc.c @@ -16,12 +16,9 @@ * KIND, either express or implied. * ****************************************************************************/ -#include <stdio.h> + #include <string.h> -#include <stdlib.h> -#include <ctype.h> #include <inttypes.h> - #include "system.h" #include "id3.h" #include "metadata_common.h" |