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mpv/libmpdemux/cdinfo.c

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/*
* CD Info
* by Bertrand Baudet <bertrand_baudet@yahoo.com>
* (C) 2002, MPlayer team.
*/
#include "config.h"
#if defined(HAVE_CDDA)
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "cdd.h"
/*******************************************************************************************************************
*
* xmcd parser, cd info list
*
*******************************************************************************************************************/
cd_info_t*
cd_info_new() {
cd_info_t *cd_info = NULL;
cd_info = (cd_info_t*)malloc(sizeof(cd_info_t));
if( cd_info==NULL ) {
printf("Memory allocation failed\n");
return NULL;
}
memset(cd_info, 0, sizeof(cd_info_t));
return cd_info;
}
void
cd_info_free(cd_info_t *cd_info) {
cd_track_t *cd_track, *cd_track_next;
if( cd_info==NULL ) return;
if( cd_info->artist!=NULL ) free(cd_info->artist);
if( cd_info->album!=NULL ) free(cd_info->album);
if( cd_info->genre!=NULL ) free(cd_info->genre);
cd_track_next = cd_info->first;
while( cd_track_next!=NULL ) {
cd_track = cd_track_next;
cd_track_next = cd_track->next;
if( cd_track->name!=NULL ) free(cd_track->name);
free(cd_track);
}
}
cd_track_t*
cd_info_add_track(cd_info_t *cd_info, char *track_name, unsigned int track_nb, unsigned int min, unsigned int sec, unsigned int msec, unsigned long frame_begin, unsigned long frame_length) {
cd_track_t *cd_track;
if( cd_info==NULL || track_name==NULL ) return NULL;
cd_track = (cd_track_t*)malloc(sizeof(cd_track_t));
if( cd_track==NULL ) {
printf("Memory allocation failed\n");
return NULL;
}
memset(cd_track, 0, sizeof(cd_track_t));
cd_track->name = (char*)malloc(strlen(track_name)+1);
if( cd_track->name==NULL ) {
printf("Memory allocation failed\n");
free(cd_track);
return NULL;
}
strcpy(cd_track->name, track_name);
cd_track->track_nb = track_nb;
cd_track->min = min;
cd_track->sec = sec;
cd_track->msec = msec;
cd_track->frame_begin = frame_begin;
cd_track->frame_length = frame_length;
if( cd_info->first==NULL ) {
cd_info->first = cd_track;
}
if( cd_info->last!=NULL ) {
cd_info->last->next = cd_track;
}
cd_track->prev = cd_info->last;
cd_info->last = cd_track;
cd_info->current = cd_track;
cd_info->nb_tracks++;
return cd_track;
}
cd_track_t*
cd_info_get_track(cd_info_t *cd_info, unsigned int track_nb) {
cd_track_t *cd_track=NULL;
if( cd_info==NULL ) return NULL;
cd_track = cd_info->first;
while( cd_track!=NULL ) {
if( cd_track->track_nb==track_nb ) {
return cd_track;
}
cd_track = cd_track->next;
}
return NULL;
}
void
cd_info_debug(cd_info_t *cd_info) {
cd_track_t *current_track;
printf("================ CD INFO === start =========\n");
if( cd_info==NULL ) {
printf("cd_info is NULL\n");
return;
}
printf(" artist=[%s]\n", cd_info->artist);
printf(" album=[%s]\n", cd_info->album);
printf(" genre=[%s]\n", cd_info->genre);
printf(" nb_tracks=%d\n", cd_info->nb_tracks);
printf(" length= %2d:%02d.%02d\n", cd_info->min, cd_info->sec, cd_info->msec);
current_track = cd_info->first;
while( current_track!=NULL ) {
printf(" #%2d %2d:%02d.%02d @ %7ld\t[%s] \n", current_track->track_nb, current_track->min, current_track->sec, current_track->msec, current_track->frame_begin, current_track->name);
current_track = current_track->next;
}
printf("================ CD INFO === end =========\n");
}
#endif