ee46a3d88e
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19448 a1c6a512-1295-4272-9138-f99709370657
485 lines
13 KiB
C
485 lines
13 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2005 Dave Chapman
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <inttypes.h>
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#include "playback.h"
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#include "debug.h"
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#include "logf.h"
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#include "cuesheet.h"
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#include "metadata.h"
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#include "metadata/metadata_parsers.h"
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#if CONFIG_CODEC == SWCODEC
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/* For trailing tag stripping */
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#include "buffering.h"
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#include "metadata/metadata_common.h"
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#endif /* CONFIG_CODEC == SWCODEC */
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const struct afmt_entry audio_formats[AFMT_NUM_CODECS] =
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{
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/* Unknown file format */
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[AFMT_UNKNOWN] =
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AFMT_ENTRY("???", NULL, NULL, NULL ),
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/* MPEG Audio layer 1 */
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[AFMT_MPA_L1] =
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AFMT_ENTRY("MP1", "mpa", NULL, "mp1\0" ),
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/* MPEG Audio layer 2 */
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[AFMT_MPA_L2] =
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AFMT_ENTRY("MP2", "mpa", NULL, "mpa\0mp2\0" ),
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/* MPEG Audio layer 3 */
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[AFMT_MPA_L3] =
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AFMT_ENTRY("MP3", "mpa", "mp3_enc", "mp3\0" ),
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#if CONFIG_CODEC == SWCODEC
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/* Audio Interchange File Format */
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[AFMT_AIFF] =
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AFMT_ENTRY("AIFF", "aiff", "aiff_enc", "aiff\0aif\0"),
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/* Uncompressed PCM in a WAV file */
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[AFMT_PCM_WAV] =
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AFMT_ENTRY("WAV", "wav", "wav_enc", "wav\0" ),
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/* Ogg Vorbis */
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[AFMT_OGG_VORBIS] =
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AFMT_ENTRY("Ogg", "vorbis", NULL, "ogg\0oga\0" ),
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/* FLAC */
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[AFMT_FLAC] =
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AFMT_ENTRY("FLAC", "flac", NULL, "flac\0" ),
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/* Musepack */
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[AFMT_MPC] =
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AFMT_ENTRY("MPC", "mpc", NULL, "mpc\0" ),
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/* A/52 (aka AC3) audio */
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[AFMT_A52] =
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AFMT_ENTRY("AC3", "a52", NULL, "a52\0ac3\0" ),
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/* WavPack */
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[AFMT_WAVPACK] =
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AFMT_ENTRY("WV", "wavpack", "wavpack_enc", "wv\0" ),
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/* Apple Lossless Audio Codec */
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[AFMT_ALAC] =
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AFMT_ENTRY("ALAC", "alac", NULL, "m4a\0m4b\0" ),
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/* Advanced Audio Coding in M4A container */
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[AFMT_AAC] =
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AFMT_ENTRY("AAC", "aac", NULL, "mp4\0" ),
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/* Shorten */
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[AFMT_SHN] =
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AFMT_ENTRY("SHN", "shorten", NULL, "shn\0" ),
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/* SID File Format */
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[AFMT_SID] =
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AFMT_ENTRY("SID", "sid", NULL, "sid\0" ),
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/* ADX File Format */
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[AFMT_ADX] =
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AFMT_ENTRY("ADX", "adx", NULL, "adx\0" ),
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/* NESM (NES Sound Format) */
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[AFMT_NSF] =
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AFMT_ENTRY("NSF", "nsf", NULL, "nsf\0nsfe\0" ),
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/* Speex File Format */
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[AFMT_SPEEX] =
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AFMT_ENTRY("Speex","speex", NULL, "spx\0" ),
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/* SPC700 Save State */
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[AFMT_SPC] =
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AFMT_ENTRY("SPC", "spc", NULL, "spc\0" ),
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/* APE (Monkey's Audio) */
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[AFMT_APE] =
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AFMT_ENTRY("APE", "ape", NULL, "ape\0mac\0" ),
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/* WMA (WMAV1/V2 in ASF) */
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[AFMT_WMA] =
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AFMT_ENTRY("WMA", "wma", NULL, "wma\0wmv\0asf\0" ),
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/* Amiga MOD File */
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[AFMT_MOD] =
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AFMT_ENTRY("MOD", "mod", NULL, "mod\0" ),
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/* Amiga SAP File */
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[AFMT_SAP] =
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AFMT_ENTRY("SAP", "asap", NULL, "sap\0" ),
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#endif
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};
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#if CONFIG_CODEC == SWCODEC && defined (HAVE_RECORDING)
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/* get REC_FORMAT_* corresponding AFMT_* */
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const int rec_format_afmt[REC_NUM_FORMATS] =
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{
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/* give AFMT_UNKNOWN by default */
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[0 ... REC_NUM_FORMATS-1] = AFMT_UNKNOWN,
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/* add new entries below this line */
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[REC_FORMAT_AIFF] = AFMT_AIFF,
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[REC_FORMAT_MPA_L3] = AFMT_MPA_L3,
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[REC_FORMAT_WAVPACK] = AFMT_WAVPACK,
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[REC_FORMAT_PCM_WAV] = AFMT_PCM_WAV,
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};
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/* get AFMT_* corresponding REC_FORMAT_* */
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const int afmt_rec_format[AFMT_NUM_CODECS] =
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{
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/* give -1 by default */
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[0 ... AFMT_NUM_CODECS-1] = -1,
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/* add new entries below this line */
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[AFMT_AIFF] = REC_FORMAT_AIFF,
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[AFMT_MPA_L3] = REC_FORMAT_MPA_L3,
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[AFMT_WAVPACK] = REC_FORMAT_WAVPACK,
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[AFMT_PCM_WAV] = REC_FORMAT_PCM_WAV,
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};
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#endif /* CONFIG_CODEC == SWCODEC && defined (HAVE_RECORDING) */
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/* Simple file type probing by looking at the filename extension. */
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unsigned int probe_file_format(const char *filename)
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{
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char *suffix;
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unsigned int i;
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suffix = strrchr(filename, '.');
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if (suffix == NULL)
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{
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return AFMT_UNKNOWN;
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}
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/* skip '.' */
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suffix++;
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for (i = 1; i < AFMT_NUM_CODECS; i++)
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{
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/* search extension list for type */
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const char *ext = audio_formats[i].ext_list;
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do
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{
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if (strcasecmp(suffix, ext) == 0)
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{
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return i;
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}
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ext += strlen(ext) + 1;
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}
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while (*ext != '\0');
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}
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return AFMT_UNKNOWN;
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}
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/* Note, that this returns false for successful, true for error! */
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bool mp3info(struct mp3entry *entry, const char *filename)
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{
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int fd;
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bool result;
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fd = open(filename, O_RDONLY);
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if (fd < 0)
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return true;
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result = !get_mp3_metadata(fd, entry, filename);
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close(fd);
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return result;
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}
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/* Get metadata for track - return false if parsing showed problems with the
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* file that would prevent playback.
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*/
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bool get_metadata(struct mp3entry* id3, int fd, const char* trackname)
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{
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#if CONFIG_CODEC == SWCODEC
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unsigned char* buf;
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#endif
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/* Clear the mp3entry to avoid having bogus pointers appear */
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memset(id3, 0, sizeof(struct mp3entry));
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/* Take our best guess at the codec type based on file extension */
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id3->codectype = probe_file_format(trackname);
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/* Load codec specific track tag information and confirm the codec type. */
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switch (id3->codectype)
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{
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case AFMT_MPA_L1:
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case AFMT_MPA_L2:
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case AFMT_MPA_L3:
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if (!get_mp3_metadata(fd, id3, trackname))
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{
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return false;
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}
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break;
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#if CONFIG_CODEC == SWCODEC
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case AFMT_FLAC:
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if (!get_flac_metadata(fd, id3))
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{
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return false;
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}
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break;
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case AFMT_WMA:
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if (!get_asf_metadata(fd, id3))
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{
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return false;
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}
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break;
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case AFMT_APE:
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if (!get_monkeys_metadata(fd, id3))
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{
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return false;
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}
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read_ape_tags(fd, id3);
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break;
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case AFMT_MPC:
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if (!get_musepack_metadata(fd, id3))
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return false;
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read_ape_tags(fd, id3);
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break;
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case AFMT_OGG_VORBIS:
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case AFMT_SPEEX:
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if (!get_ogg_metadata(fd, id3))/*detects and handles Ogg/Speex files*/
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{
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return false;
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}
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break;
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case AFMT_PCM_WAV:
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if (!get_wave_metadata(fd, id3))
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{
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return false;
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}
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break;
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case AFMT_WAVPACK:
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if (!get_wavpack_metadata(fd, id3))
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{
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return false;
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}
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read_ape_tags(fd, id3); /* use any apetag info we find */
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break;
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case AFMT_A52:
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if (!get_a52_metadata(fd, id3))
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{
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return false;
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}
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break;
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case AFMT_ALAC:
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case AFMT_AAC:
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if (!get_mp4_metadata(fd, id3))
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{
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return false;
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}
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break;
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case AFMT_MOD:
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if (!get_mod_metadata(fd, id3))
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{
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return false;
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}
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break;
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case AFMT_SHN:
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id3->vbr = true;
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id3->filesize = filesize(fd);
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if (!skip_id3v2(fd, id3))
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{
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return false;
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}
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/* TODO: read the id3v2 header if it exists */
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break;
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case AFMT_SID:
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if (!get_sid_metadata(fd, id3))
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{
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return false;
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}
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break;
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case AFMT_SPC:
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if (!get_spc_metadata(fd, id3))
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{
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DEBUGF("get_spc_metadata error\n");
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return false;
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}
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id3->filesize = filesize(fd);
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id3->genre_string = id3_get_num_genre(36);
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break;
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case AFMT_ADX:
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if (!get_adx_metadata(fd, id3))
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{
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DEBUGF("get_adx_metadata error\n");
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return false;
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}
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break;
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case AFMT_NSF:
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buf = (unsigned char *)id3->path;
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if ((lseek(fd, 0, SEEK_SET) < 0) || ((read(fd, buf, 8)) < 8))
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{
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DEBUGF("lseek or read failed\n");
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return false;
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}
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id3->vbr = false;
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id3->filesize = filesize(fd);
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if (memcmp(buf,"NESM",4) && memcmp(buf,"NSFE",4)) return false;
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break;
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case AFMT_AIFF:
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if (!get_aiff_metadata(fd, id3))
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{
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return false;
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}
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break;
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case AFMT_SAP:
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if (!get_asap_metadata(fd, id3))
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{
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DEBUGF("get_sap_metadata error\n");
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return false;
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}
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id3->filesize = filesize(fd);
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id3->genre_string = id3_get_num_genre(36);
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break;
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#endif /* CONFIG_CODEC == SWCODEC */
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default:
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/* If we don't know how to read the metadata, assume we can't play
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the file */
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return false;
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break;
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}
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/* We have successfully read the metadata from the file */
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#ifndef __PCTOOL__
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if (cuesheet_is_enabled() && look_for_cuesheet_file(trackname, NULL))
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{
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id3->cuesheet_type = 1;
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}
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#endif
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lseek(fd, 0, SEEK_SET);
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strncpy(id3->path, trackname, sizeof(id3->path));
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return true;
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}
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#ifndef __PCTOOL__
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#if CONFIG_CODEC == SWCODEC
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void strip_tags(int handle_id)
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{
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static const unsigned char tag[] = "TAG";
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static const unsigned char apetag[] = "APETAGEX";
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size_t len, version;
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void *tail;
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if (bufgettail(handle_id, 128, &tail) != 128)
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return;
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if (memcmp(tail, tag, 3) == 0)
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{
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/* Skip id3v1 tag */
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logf("Cutting off ID3v1 tag");
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bufcuttail(handle_id, 128);
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}
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/* Get a new tail, as the old one may have been cut */
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if (bufgettail(handle_id, 32, &tail) != 32)
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return;
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/* Check for APE tag (look for the APE tag footer) */
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if (memcmp(tail, apetag, 8) != 0)
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return;
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/* Read the version and length from the footer */
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version = get_long_le(&((unsigned char *)tail)[8]);
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len = get_long_le(&((unsigned char *)tail)[12]);
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if (version == 2000)
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len += 32; /* APEv2 has a 32 byte header */
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/* Skip APE tag */
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logf("Cutting off APE tag (%ldB)", len);
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bufcuttail(handle_id, len);
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}
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#endif /* CONFIG_CODEC == SWCODEC */
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#endif /* ! __PCTOOL__ */
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void adjust_mp3entry(struct mp3entry *entry, void *dest, const void *orig)
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{
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long offset;
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if (orig > dest)
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offset = - ((size_t)orig - (size_t)dest);
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else
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offset = (size_t)dest - (size_t)orig;
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if (entry->title)
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entry->title += offset;
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if (entry->artist)
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entry->artist += offset;
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if (entry->album)
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entry->album += offset;
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if (entry->genre_string && !id3_is_genre_string(entry->genre_string))
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/* Don't adjust that if it points to an entry of the "genres" array */
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entry->genre_string += offset;
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if (entry->track_string)
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entry->track_string += offset;
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if (entry->disc_string)
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entry->disc_string += offset;
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if (entry->year_string)
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entry->year_string += offset;
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if (entry->composer)
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entry->composer += offset;
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if (entry->comment)
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entry->comment += offset;
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if (entry->albumartist)
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entry->albumartist += offset;
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if (entry->grouping)
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entry->grouping += offset;
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#if CONFIG_CODEC == SWCODEC
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if (entry->track_gain_string)
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entry->track_gain_string += offset;
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if (entry->album_gain_string)
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entry->album_gain_string += offset;
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#endif
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if (entry->mb_track_id)
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entry->mb_track_id += offset;
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}
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void copy_mp3entry(struct mp3entry *dest, const struct mp3entry *orig)
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{
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memcpy(dest, orig, sizeof(struct mp3entry));
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adjust_mp3entry(dest, dest, orig);
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}
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