imported sources
This commit is contained in:
Svend Sorensen
329
lib/cd.c
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329
lib/cd.c
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/*
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* cd.c -- cd functions
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*
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* Copyright (C) 2004 Svend Sorensen <sorensen@freeshell.org>
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* For license terms, see the file COPYING in this distribution.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "cd.h"
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typedef struct Data Data;
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struct Data {
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int type; /* DataType */
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char *name; /* data source name */
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long start; /* start time for data */
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long length; /* length of data */
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};
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struct Track {
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Data zero_pre; /* pre-gap generated with zero data */
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Data file; /* track data file */
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Data zero_post; /* post-gap generated with zero data */
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int mode; /* track mode */
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int sub_mode; /* sub-channel mode */
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int flags; /* flags */
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char *isrc; /* IRSC Code (5.22.4) 12 bytes */
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Cdtext *cdtext; /* CD-TEXT */
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int nindex; /* number of indexes */
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long index[MAXINDEX]; /* indexes (in frames) (5.29.2.5)
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* relative to start of track
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* index[0] should always be zero */
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};
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struct Cd {
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int mode; /* disc mode */
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char *catalog; /* Media Catalog Number (5.22.3) */
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Cdtext *cdtext; /* CD-TEXT */
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int ntrack; /* number of tracks in album */
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Track *track[MAXTRACK]; /* array of tracks */
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};
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Cd *cd_init ()
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{
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Cd *cd = NULL;
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cd = malloc(sizeof(Cd));
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if(NULL == cd) {
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fprintf(stderr, "unable to create cd\n");
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} else {
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cd->mode = MODE_CD_DA;
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cd->catalog = NULL;
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cd->cdtext = cdtext_init();
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cd->ntrack = 0;
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}
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return cd;
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}
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Track *track_init ()
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{
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Track *track = NULL;
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track = malloc(sizeof(Track));
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if (NULL == track) {
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fprintf(stderr, "unable to create track\n");
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} else {
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track->zero_pre.type = DATA_ZERO;
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track->zero_pre.name = NULL;
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track->zero_pre.start = 0;
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track->zero_pre.length = 0;
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track->file.type = DATA_AUDIO;
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track->file.name = NULL;
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track->file.start = 0;
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track->file.length = 0;
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track->zero_post.type = DATA_ZERO;
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track->zero_post.name = NULL;
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track->zero_post.start = 0;
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track->zero_post.length = 0;
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track->mode = MODE_AUDIO;
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track->sub_mode = SUB_MODE_RW;
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track->flags = FLAG_NONE;
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track->isrc = NULL;
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track->cdtext = cdtext_init();
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track->nindex = 0;
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}
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return track;
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}
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/*
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* cd structure functions
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*/
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void cd_set_mode (Cd *cd, int mode)
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{
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cd->mode = mode;
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}
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int cd_get_mode (Cd *cd)
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{
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return cd->mode;
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}
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void cd_set_catalog (Cd *cd, char *catalog)
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{
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if (cd->catalog)
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free(cd->catalog);
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cd->catalog = strdup(catalog);
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}
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char *cd_get_catalog (Cd *cd)
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{
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return cd->catalog;
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}
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Cdtext *cd_get_cdtext (Cd *cd)
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{
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return cd->cdtext;
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}
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Track *cd_add_track (Cd *cd)
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{
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if (MAXTRACK - 1 > cd->ntrack)
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cd->ntrack++;
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else
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fprintf(stderr, "too many tracks\n");
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/* this will reinit last track if there were too many */
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cd->track[cd->ntrack - 1] = track_init();
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return cd->track[cd->ntrack - 1];
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}
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int cd_get_ntrack (Cd *cd)
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{
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return cd->ntrack;
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}
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Track *cd_get_track (Cd *cd, int i)
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{
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if (0 < i <= cd->ntrack)
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return cd->track[i - 1];
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return NULL;
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}
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/*
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* track structure functions
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*/
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void track_set_filename (Track *track, char *filename)
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{
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if (track->file.name)
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free(track->file.name);
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track->file.name = strdup(filename);
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}
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char *track_get_filename (Track *track)
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{
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return track->file.name;
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}
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void track_set_start (Track *track, long start)
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{
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track->file.start = start;
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}
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long track_get_start (Track *track)
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{
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return track->file.start;
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}
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void track_set_length (Track *track, long length)
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{
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track->file.length = length;
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}
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long track_get_length (Track *track)
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{
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return track->file.length;
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}
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void track_set_mode (Track *track, int mode)
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{
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track->mode = mode;
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}
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int track_get_mode (Track *track)
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{
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return track->mode;
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}
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void track_set_sub_mode (Track *track, int sub_mode)
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{
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track->sub_mode = sub_mode;
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}
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int track_get_sub_mode (Track *track)
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{
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return track->sub_mode;
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}
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void track_set_flag (Track *track, int flag)
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{
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track->flags |= flag;
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}
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void track_clear_flag (Track *track, int flag)
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{
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track->flags &= ~flag;
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}
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int track_is_set_flag (Track *track, int flag)
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{
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return track->flags & flag;
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}
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void track_set_zero_pre (Track *track, long length)
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{
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track->zero_pre.length = length;
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}
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long track_get_zero_pre (Track *track)
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{
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return track->zero_pre.length;
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}
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void track_set_zero_post (Track *track, long length)
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{
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track->zero_post.length = length;
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}
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long track_get_zero_post (Track *track)
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{
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return track->zero_post.length;
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}
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void track_set_isrc (Track *track, char *isrc)
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{
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if (track->isrc)
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free(track->isrc);
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track->isrc = strdup(isrc);
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}
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char *track_get_isrc (Track *track)
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{
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return track->isrc;
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}
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Cdtext *track_get_cdtext (Track *track)
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{
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return track->cdtext;
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}
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void track_add_index (Track *track, long index)
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{
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if (MAXTRACK - 1 > track->nindex)
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track->nindex++;
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else
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fprintf(stderr, "too many indexes\n");
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/* this will overwrite last index if there were too many */
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track->index[track->nindex - 1] = index;
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}
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int track_get_nindex (Track *track)
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{
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return track->nindex;
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}
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long track_get_index (Track *track, int i)
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{
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if (0 <= i < track->nindex)
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return track->index[i];
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return -1;
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}
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/*
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* dump cd information
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*/
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void cd_track_dump (Track *track)
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{
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int i;
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printf("zero_pre: %ld\n", track->zero_pre.length);
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printf("filename: %s\n", track->file.name);
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printf("start: %ld\n", track->file.start);
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printf("length: %ld\n", track->file.length);
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printf("zero_post: %ld\n", track->zero_post.length);
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printf("mode: %d\n", track->mode);
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printf("sub_mode: %d\n", track->sub_mode);
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printf("flags: 0x%x\n", track->flags);
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printf("isrc: %s\n", track->isrc);
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printf("indexes: %d\n", track->nindex);
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for (i = 0; i < track->nindex; ++i)
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printf("index %d: %ld\n", i, track->index[i]);
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if (NULL != track->cdtext) {
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printf("cdtext:\n");
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/* cdtext_print(stdout, track->cdtext); */
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}
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}
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void cd_dump (Cd *cd)
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{
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int i;
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printf("Disc Info\n");
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printf("mode: %d\n", cd->mode);
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printf("catalog: %s\n", cd->catalog);
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if (NULL != cd->cdtext) {
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printf("cdtext:\n");
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/* cdtext_print(stdout, cd->cdtext); */
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}
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for (i = 0; i < cd->ntrack; ++i) {
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printf("Track %d Info\n", i + 1);
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cd_track_dump(cd->track[i]);
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}
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}
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