From b5716df4cb2837bbbc42195cf1aefcf03e21d6a6 Mon Sep 17 00:00:00 2001 From: Sean Bartell Date: Fri, 24 Jun 2011 01:25:21 -0400 Subject: Build librbcodec with DSP and metadata. All associated files are moved to /lib/rbcodec. Change-Id: I572ddd2b8a996aae1e98c081d06b1ed356dce222 --- apps/metadata/flac.c | 127 --------------------------------------------------- 1 file changed, 127 deletions(-) delete mode 100644 apps/metadata/flac.c (limited to 'apps/metadata/flac.c') diff --git a/apps/metadata/flac.c b/apps/metadata/flac.c deleted file mode 100644 index 29937173fd..0000000000 --- a/apps/metadata/flac.c +++ /dev/null @@ -1,127 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2005 Dave Chapman - * - * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ -#include -#include -#include -#include -#include - -#include "system.h" -#include "metadata.h" -#include "metadata_common.h" -#include "metadata_parsers.h" -#include "logf.h" - -bool get_flac_metadata(int fd, struct mp3entry* id3) -{ - /* A simple parser to read vital metadata from a FLAC file - length, - * frequency, bitrate etc. This code should either be moved to a - * seperate file, or discarded in favour of the libFLAC code. - * The FLAC stream specification can be found at - * http://flac.sourceforge.net/format.html#stream - */ - - /* Use the trackname part of the id3 structure as a temporary buffer */ - unsigned char* buf = (unsigned char *)id3->path; - bool last_metadata = false; - bool rc = false; - - if (!skip_id3v2(fd, id3) || (read(fd, buf, 4) < 4)) - { - return rc; - } - - if (memcmp(buf, "fLaC", 4) != 0) - { - return rc; - } - - while (!last_metadata) - { - unsigned long i; - int type; - - if (read(fd, buf, 4) < 0) - { - return rc; - } - - last_metadata = buf[0] & 0x80; - type = buf[0] & 0x7f; - /* The length of the block */ - i = (buf[1] << 16) | (buf[2] << 8) | buf[3]; - - if (type == 0) /* 0 is the STREAMINFO block */ - { - unsigned long totalsamples; - - if (i >= sizeof(id3->path) || read(fd, buf, i) < 0) - { - return rc; - } - - id3->vbr = true; /* All FLAC files are VBR */ - id3->filesize = filesize(fd); - id3->frequency = (buf[10] << 12) | (buf[11] << 4) - | ((buf[12] & 0xf0) >> 4); - rc = true; /* Got vital metadata */ - - /* totalsamples is a 36-bit field, but we assume <= 32 bits are used */ - totalsamples = get_long_be(&buf[14]); - - if(totalsamples > 0) - { - /* Calculate track length (in ms) and estimate the bitrate (in kbit/s) */ - id3->length = ((int64_t) totalsamples * 1000) / id3->frequency; - id3->bitrate = (id3->filesize * 8) / id3->length; - } - else if (totalsamples == 0) - { - id3->length = 0; - id3->bitrate = 0; - } - else - { - logf("flac length invalid!"); - return false; - } - - } - else if (type == 4) /* 4 is the VORBIS_COMMENT block */ - { - /* The next i bytes of the file contain the VORBIS COMMENTS. */ - if (read_vorbis_tags(fd, id3, i) == 0) - { - return rc; - } - } - else if (!last_metadata) - { - /* Skip to next metadata block */ - if (lseek(fd, i, SEEK_CUR) < 0) - { - return rc; - } - } - } - - return true; -} -- cgit v1.2.3