mirror of
https://github.com/owntone/owntone-server.git
synced 2025-04-21 19:24:09 -04:00
Remove AAC file scanner
This commit is contained in:
Julien BLACHE
parent
84a132d166
commit
9f45181bb3
@ -28,7 +28,7 @@ mt_daapd_SOURCES = main.c daapd.h rend.h webserver.c \
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filescanner_ffmpeg.c \
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filescanner_ffmpeg.c \
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db-generic.c db-generic.h ff-plugins.c ff-plugins.h \
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db-generic.c db-generic.h ff-plugins.c ff-plugins.h \
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rxml.c rxml.h redblack.c redblack.h scan-mp3.c \
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rxml.c rxml.h redblack.c redblack.h scan-mp3.c \
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scan-xml.c scan-wma.c scan-aac.c scan-aac.h scan-url.c \
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scan-xml.c scan-wma.c scan-url.c \
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smart-parser.c smart-parser.h xml-rpc.c xml-rpc.h \
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smart-parser.c smart-parser.h xml-rpc.c xml-rpc.h \
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os.h ll.c ll.h conf.c conf.h compat.c compat.h util.c util.h \
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os.h ll.c ll.h conf.c conf.h compat.c compat.h util.c util.h \
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os-unix.h os-unix.c os.h plugin.c plugin.h db-sql-updates.c \
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os-unix.h os-unix.c os.h plugin.c plugin.h db-sql-updates.c \
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@ -85,7 +85,6 @@ extern int scan_get_mpcinfo(char *filename, MP3FILE *pmp3);
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#endif
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#endif
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extern int scan_get_wmainfo(char *filename, MP3FILE *pmp3);
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extern int scan_get_wmainfo(char *filename, MP3FILE *pmp3);
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extern int scan_get_aacinfo(char *filename, MP3FILE *pmp3);
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extern int scan_get_urlinfo(char *filename, MP3FILE *pmp3);
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extern int scan_get_urlinfo(char *filename, MP3FILE *pmp3);
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extern int scan_get_mp3info(char *filename, MP3FILE *pmp3);
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extern int scan_get_mp3info(char *filename, MP3FILE *pmp3);
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486
src/scan-aac.c
486
src/scan-aac.c
@ -1,486 +0,0 @@
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/*
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* Copyright (C) 2003 Ron Pedde (ron@pedde.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <fcntl.h>
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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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#ifdef HAVE_SYS_TIME_H
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# include <sys/time.h>
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#endif
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#include <netinet/in.h>
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#include "daapd.h"
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#include "err.h"
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#include "io.h"
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#include "mp3-scanner.h"
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#include "scan-aac.h"
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/* Forwards */
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time_t scan_aac_mac_to_unix_time(int t);
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/**
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* Convert mac time to unix time (different epochs)
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*
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* @param t time since mac epoch
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* @returns time since unix epoch
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*/
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time_t scan_aac_mac_to_unix_time(int t) {
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struct timeval tv;
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struct timezone tz;
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gettimeofday(&tv, &tz);
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return (t - (365L * 66L * 24L * 60L * 60L + 17L * 60L * 60L * 24L) +
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(tz.tz_minuteswest * 60));
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}
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/**
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* Returns the offset of the atom specified by the given path or -1 if
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* not found. atom_path is a colon separated list of atoms specifying
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* a path from parent node to the target node. All paths must be specified
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* from the root.
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*
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* @param aac_fp the aac file being searched
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* @param atom_path the colon separated list of atoms
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* @param atom_length the size of the atom "drilled to"
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* @returns offset of the atom, or -1 if unsuccessful
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*/
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int scan_aac_drilltoatom(IOHANDLE hfile,char *atom_path,
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uint64_t *atom_offset, unsigned int *atom_length) {
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uint64_t file_size,pos;
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char *cur_p, *end_p;
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char atom_name[5];
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DPRINTF(E_SPAM,L_SCAN,"Searching for %s\n",atom_path);
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// FIXME: cache io_size for static files
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io_size(hfile, &file_size);
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io_setpos(hfile,0,SEEK_SET);
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end_p = atom_path;
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while (*end_p != '\0') {
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end_p++;
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}
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atom_name[4] = '\0';
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cur_p = atom_path;
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while (cur_p != NULL) {
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if ((end_p - cur_p) < 4) {
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return -1;
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}
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strncpy(atom_name, cur_p, 4);
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if (!scan_aac_findatom(hfile, file_size,
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atom_offset, atom_name, atom_length)) {
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return FALSE;
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}
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io_getpos(hfile,&pos);
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DPRINTF(E_SPAM,L_SCAN,"Found %s atom at off %lld.\n",
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atom_name, pos - 8);
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cur_p = strchr(cur_p, ':');
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if (cur_p != NULL) {
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cur_p++;
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/* FIXME
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* Hack to deal with atoms that have extra data in addition
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* to having child atoms. This should be dealt in a better fashion
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* than this (table with skip offsets or a real mp4 parser.) */
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if (!strcmp(atom_name, "meta")) {
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io_setpos(hfile, 4, SEEK_CUR);
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} else if (!strcmp(atom_name, "stsd")) {
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io_setpos(hfile, 8, SEEK_CUR);
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} else if (!strcmp(atom_name, "mp4a")) {
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io_setpos(hfile, 28, SEEK_CUR);
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}
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}
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}
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io_getpos(hfile, &pos);
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*atom_offset = pos - 8;
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return TRUE;
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}
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/**
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* Given a file, search for a particular aac atom.
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*
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* @param fin file handle of the open aac file
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* @param max_offset how far to search (probably size of container atom)
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* @param which_atom what atom name we are searching for
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* @param atom_size this will hold the size of the atom found
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*/
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int scan_aac_findatom(IOHANDLE hfile, uint64_t max_offset,
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uint64_t *atom_offset, char *which_atom, unsigned int *atom_size) {
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uint64_t current_offset=0;
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uint32_t size;
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char atom[4];
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uint32_t bytes_read;
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while((current_offset + 8) < max_offset) {
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bytes_read = sizeof(uint32_t);
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if(!io_read(hfile,(unsigned char *)&size,&bytes_read) || (!bytes_read)) {
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return FALSE;
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}
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size=ntohl(size);
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if(size <= 7) { /* something not right */
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DPRINTF(E_LOG,L_SCAN,"Bad aac file: atom length too short searching for %s\n",
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which_atom);
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return FALSE;
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}
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bytes_read = 4;
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if(!io_read(hfile,(unsigned char *)atom,&bytes_read) || (!bytes_read)) {
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return FALSE;
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}
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if(strncasecmp(atom,which_atom,4) == 0) {
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*atom_size=size;
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*atom_offset = current_offset;
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return TRUE;
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}
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io_setpos(hfile,size-8,SEEK_CUR);
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current_offset+=size;
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}
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DPRINTF(E_SPAM,L_SCAN,"Couldn't find atom %s as requested\n",which_atom);
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return FALSE;
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}
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/**
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* main aac scanning routing.
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*
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* @param filename file to scan
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* @param pmp3 pointer to the MP3FILE to fill with data
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* @returns FALSE if file should not be added to database, TRUE otherwise
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*/
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int scan_get_aacinfo(char *filename, MP3FILE *pmp3) {
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IOHANDLE hfile;
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uint64_t atom_offset, pos;
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uint32_t bytes_read;
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unsigned int atom_length;
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long current_offset=0;
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uint32_t current_size;
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char current_atom[4];
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char *current_data;
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unsigned short us_data;
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int genre;
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int len;
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uint32_t sample_size;
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uint32_t samples;
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uint32_t bit_rate;
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int ms;
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unsigned char buffer[2];
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uint32_t time = 0;
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int ret;
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hfile = io_new();
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if(!hfile)
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DPRINTF(E_FATAL,L_SCAN,"Malloc error in scan_get_aacinfo\n");
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if(!io_open(hfile,"file://%U",filename)) {
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DPRINTF(E_INF,L_SCAN,"Cannot open file %s for reading: %s\n",filename,
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io_errstr(hfile));
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io_dispose(hfile);
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return FALSE;
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}
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ret = scan_aac_drilltoatom(hfile, "moov:udta:meta:ilst", &atom_offset, &atom_length);
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if(ret) {
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current_offset = 8; /* we're already 2*4 bytes into the ilst atom */
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/* found the tag section - need to walk through now */
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while (current_offset < (uint64_t)atom_length) {
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bytes_read = sizeof(uint32_t);
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if(!io_read(hfile,(unsigned char *)¤t_size,&bytes_read) || !bytes_read) {
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DPRINTF(E_LOG,L_SCAN,"Error reading mp4 atoms: %s\n", io_errstr(hfile));
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io_dispose(hfile);
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return FALSE;
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}
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current_size=ntohl(current_size);
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DPRINTF(E_SPAM,L_SCAN,"Current size: %d\n",current_size);
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if(current_size < 8) { /* something not right */
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DPRINTF(E_LOG,L_SCAN,"mp4 atom too small. Bad aac tags?\n");
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io_dispose(hfile);
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return FALSE;
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}
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bytes_read = 4;
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if(!io_read(hfile,(unsigned char *)current_atom,&bytes_read) || !bytes_read) {
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DPRINTF(E_LOG,L_SCAN,"Error reading mp4 atoms: %s\n",io_errstr(hfile));
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io_dispose(hfile);
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return FALSE;
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}
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DPRINTF(E_SPAM,L_SCAN,"Current Atom: %c%c%c%c\n",
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current_atom[0],current_atom[1],current_atom[2],
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current_atom[3]);
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if(current_size > 4096) { /* Does this break anything? */
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/* too big! cover art, maybe? */
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io_setpos(hfile,current_size - 8, SEEK_CUR);
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DPRINTF(E_SPAM,L_SCAN,"Atom too big... skipping\n");
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} else {
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len=current_size-7; /* for ill-formed too-short tags */
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if(len < 22) {
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len=22;
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}
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current_data=(char*)malloc(len); /* extra byte */
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memset(current_data,0x00,len);
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bytes_read = current_size - 8;
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if(!io_read(hfile,(unsigned char *)current_data,&bytes_read) || (!bytes_read)) {
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DPRINTF(E_LOG,L_SCAN,"Error reading mp4 data: %s\n",io_errstr(hfile));
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free(current_data);
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io_dispose(hfile);
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return FALSE;
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}
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if(!memcmp(current_atom,"\xA9" "nam",4)) { /* Song name */
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pmp3->title=strdup((char*)¤t_data[16]);
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} else if(!memcmp(current_atom,"aART",4)) {
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pmp3->album_artist=strdup((char*)¤t_data[16]);
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} else if(!memcmp(current_atom,"\xA9" "ART",4)) {
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pmp3->artist=strdup((char*)¤t_data[16]);
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} else if(!memcmp(current_atom,"\xA9" "alb",4)) {
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pmp3->album=strdup((char*)¤t_data[16]);
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} else if(!memcmp(current_atom,"\xA9" "cmt",4)) {
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pmp3->comment=strdup((char*)¤t_data[16]);
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} else if(!memcmp(current_atom,"\xA9" "wrt",4)) {
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pmp3->composer=strdup((char*)¤t_data[16]);
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} else if(!memcmp(current_atom,"\xA9" "grp",4)) {
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pmp3->grouping=strdup((char*)¤t_data[16]);
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} else if(!memcmp(current_atom,"\xA9" "gen",4)) {
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/* can this be a winamp genre??? */
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pmp3->genre=strdup((char*)¤t_data[16]);
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} else if(!memcmp(current_atom,"tmpo",4)) {
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us_data=*((unsigned short *)¤t_data[16]);
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us_data=ntohs(us_data);
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pmp3->bpm=us_data;
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} else if(!memcmp(current_atom,"trkn",4)) {
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us_data=*((unsigned short *)¤t_data[18]);
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us_data=ntohs(us_data);
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pmp3->track=us_data;
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us_data=*((unsigned short *)¤t_data[20]);
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us_data=ntohs(us_data);
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pmp3->total_tracks=us_data;
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} else if(!memcmp(current_atom,"disk",4)) {
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us_data=*((unsigned short *)¤t_data[18]);
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us_data=ntohs(us_data);
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pmp3->disc=us_data;
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us_data=*((unsigned short *)¤t_data[20]);
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us_data=ntohs(us_data);
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pmp3->total_discs=us_data;
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} else if(!memcmp(current_atom,"\xA9" "day",4)) {
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pmp3->year=atoi((char*)¤t_data[16]);
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} else if(!memcmp(current_atom,"gnre",4)) {
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genre=(int)(*((char*)¤t_data[17]));
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genre--;
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if((genre < 0) || (genre > WINAMP_GENRE_UNKNOWN))
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genre=WINAMP_GENRE_UNKNOWN;
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pmp3->genre=strdup(scan_winamp_genre[genre]);
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} else if (!memcmp(current_atom, "cpil", 4)) {
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pmp3->compilation = current_data[16];
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}
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free(current_data);
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}
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current_offset+=current_size;
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}
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}
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/* got the tag info, now let's get bitrate, etc */
|
|
||||||
ret = scan_aac_drilltoatom(hfile, "moov:mvhd", &atom_offset, &atom_length);
|
|
||||||
if(ret) {
|
|
||||||
io_setpos(hfile,4,SEEK_CUR);
|
|
||||||
|
|
||||||
/* FIXME: error handling */
|
|
||||||
bytes_read = sizeof(uint32_t);
|
|
||||||
if(!io_read(hfile,(unsigned char *)&time, &bytes_read)) {
|
|
||||||
DPRINTF(E_LOG,L_SCAN,"Error reading time from moov:mvhd: %s\n",
|
|
||||||
io_errstr(hfile));
|
|
||||||
io_dispose(hfile);
|
|
||||||
return FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
time = ntohl(time);
|
|
||||||
pmp3->time_added = (int)scan_aac_mac_to_unix_time(time);
|
|
||||||
|
|
||||||
bytes_read = sizeof(uint32_t);
|
|
||||||
if(!io_read(hfile,(unsigned char *)&time, &bytes_read)) {
|
|
||||||
DPRINTF(E_LOG,L_SCAN,"Error reading time from moov:mvhd: %s\n",
|
|
||||||
io_errstr(hfile));
|
|
||||||
io_dispose(hfile);
|
|
||||||
return FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
time = ntohl(time);
|
|
||||||
pmp3->time_modified = (int)scan_aac_mac_to_unix_time(time);
|
|
||||||
|
|
||||||
bytes_read = sizeof(uint32_t);
|
|
||||||
if(!io_read(hfile,(unsigned char *)&sample_size,&bytes_read)) {
|
|
||||||
DPRINTF(E_LOG,L_SCAN,"Error reading sample_size from moov:mvhd: %s\n",
|
|
||||||
io_errstr(hfile));
|
|
||||||
io_dispose(hfile);
|
|
||||||
return FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
bytes_read = sizeof(uint32_t);
|
|
||||||
if(!io_read(hfile,(unsigned char*)&samples, &bytes_read)) {
|
|
||||||
DPRINTF(E_LOG,L_SCAN,"Error reading samples from moov:mvhd: %s\n",
|
|
||||||
io_errstr(hfile));
|
|
||||||
io_dispose(hfile);
|
|
||||||
return FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
sample_size=ntohl(sample_size);
|
|
||||||
samples=ntohl(samples);
|
|
||||||
|
|
||||||
/* avoid overflowing on large sample_sizes (90000) */
|
|
||||||
ms=1000;
|
|
||||||
while((ms > 9) && (!(sample_size % 10))) {
|
|
||||||
sample_size /= 10;
|
|
||||||
ms /= 10;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* DWB: use ms time instead of sec */
|
|
||||||
pmp3->song_length=(uint32_t)((samples * ms) / sample_size);
|
|
||||||
DPRINTF(E_DBG,L_SCAN,"Song length: %d seconds\n",
|
|
||||||
pmp3->song_length / 1000);
|
|
||||||
}
|
|
||||||
|
|
||||||
pmp3->bitrate = 0;
|
|
||||||
|
|
||||||
/* see if it is aac or alac */
|
|
||||||
ret = scan_aac_drilltoatom(hfile,
|
|
||||||
"moov:trak:mdia:minf:stbl:stsd:alac",
|
|
||||||
&atom_offset, &atom_length);
|
|
||||||
|
|
||||||
if(ret) {
|
|
||||||
/* should we still pull samplerate, etc from the this atom? */
|
|
||||||
if(pmp3->codectype) {
|
|
||||||
free(pmp3->codectype);
|
|
||||||
}
|
|
||||||
pmp3->codectype=strdup("alac");
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Get the sample rate from the 'mp4a' atom (timescale). This is also
|
|
||||||
found in the 'mdhd' atom which is a bit closer but we need to
|
|
||||||
navigate to the 'mp4a' atom anyways to get to the 'esds' atom. */
|
|
||||||
ret = scan_aac_drilltoatom(hfile,
|
|
||||||
"moov:trak:mdia:minf:stbl:stsd:mp4a",
|
|
||||||
&atom_offset, &atom_length);
|
|
||||||
if(!ret) {
|
|
||||||
ret = scan_aac_drilltoatom(hfile,
|
|
||||||
"moov:trak:mdia:minf:stbl:stsd:drms",
|
|
||||||
&atom_offset, &atom_length);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (ret) {
|
|
||||||
io_setpos(hfile, atom_offset + 32, SEEK_SET);
|
|
||||||
|
|
||||||
/* Timescale here seems to be 2 bytes here (the 2 bytes before it are
|
|
||||||
* "reserved") though the timescale in the 'mdhd' atom is 4. Not sure
|
|
||||||
* how this is dealt with when sample rate goes higher than 64K. */
|
|
||||||
bytes_read = 2;
|
|
||||||
if(!io_read(hfile, (unsigned char *)buffer, &bytes_read)) {
|
|
||||||
DPRINTF(E_LOG,L_SCAN,"Error reading timescale from drms atom: %s\n",
|
|
||||||
io_errstr(hfile));
|
|
||||||
io_dispose(hfile);
|
|
||||||
return FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
pmp3->samplerate = (buffer[0] << 8) | (buffer[1]);
|
|
||||||
|
|
||||||
/* Seek to end of atom. */
|
|
||||||
io_setpos(hfile, 2, SEEK_CUR);
|
|
||||||
|
|
||||||
/* Get the bit rate from the 'esds' atom. We are already positioned
|
|
||||||
in the parent atom so just scan ahead. */
|
|
||||||
io_getpos(hfile,&pos);
|
|
||||||
ret = scan_aac_findatom(hfile,
|
|
||||||
atom_length-(pos-atom_offset),
|
|
||||||
&atom_offset, "esds", &atom_length);
|
|
||||||
|
|
||||||
if (ret) {
|
|
||||||
/* Roku Soundbridge seems to believe anything above 320K is
|
|
||||||
* an ALAC encoded m4a. We'll lie on their behalf.
|
|
||||||
*/
|
|
||||||
io_setpos(hfile, atom_offset + 22, SEEK_CUR);
|
|
||||||
|
|
||||||
bytes_read = sizeof(unsigned int);
|
|
||||||
if(!io_read(hfile, (unsigned char *)&bit_rate, &bytes_read)) {
|
|
||||||
DPRINTF(E_LOG,L_SCAN,"Error reading bitrate from esds: %s\n",
|
|
||||||
io_errstr(hfile));
|
|
||||||
io_dispose(hfile);
|
|
||||||
return FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
pmp3->bitrate = ntohl(bit_rate) / 1000;
|
|
||||||
DPRINTF(E_DBG,L_SCAN,"esds bitrate: %d\n",pmp3->bitrate);
|
|
||||||
|
|
||||||
if(pmp3->bitrate > 320) {
|
|
||||||
pmp3->bitrate = 320;
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
DPRINTF(E_DBG,L_SCAN, "Couldn't find 'esds' atom for bit rate.\n");
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
DPRINTF(E_DBG,L_SCAN, "Couldn't find 'mp4a' atom for sample rate.\n");
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Fallback if we can't find the info in the atoms. */
|
|
||||||
if (pmp3->bitrate == 0) {
|
|
||||||
/* calculate bitrate from song length... Kinda cheesy */
|
|
||||||
DPRINTF(E_DBG,L_SCAN, "Guesstimating bit rate.\n");
|
|
||||||
ret = scan_aac_drilltoatom(hfile, "mdat", &atom_offset, &atom_length);
|
|
||||||
if ((ret) && (pmp3->song_length >= 1000)) {
|
|
||||||
pmp3->bitrate = atom_length / ((pmp3->song_length / 1000) * 128);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
io_close(hfile);
|
|
||||||
io_dispose(hfile);
|
|
||||||
return TRUE; /* we'll return as much as we got. */
|
|
||||||
}
|
|
||||||
@ -1,27 +0,0 @@
|
|||||||
/*
|
|
||||||
* Copyright (C) 2003 Ron Pedde (ron@pedde.com)
|
|
||||||
*
|
|
||||||
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
||||||
*/
|
|
||||||
|
|
||||||
#ifndef _SCAN_AAC_H_
|
|
||||||
#define _SCAN_AAC_H_
|
|
||||||
|
|
||||||
#include "io.h"
|
|
||||||
|
|
||||||
extern int scan_aac_drilltoatom(IOHANDLE hfile, char *atom_path, uint64_t *atom_offset, unsigned int *atom_length);
|
|
||||||
extern int scan_aac_findatom(IOHANDLE hfile, uint64_t max_offset, uint64_t *atom_offset, char *which_atom, unsigned int *atom_size);
|
|
||||||
|
|
||||||
#endif
|
|
||||||
Loading…
x
Reference in New Issue
Block a user