mirror of https://github.com/mpv-player/mpv
248 lines
6.1 KiB
C
248 lines
6.1 KiB
C
#include "config.h"
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#ifdef HAVE_CDDA
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#include "stream.h"
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#include "../cfgparser.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include "cdd.h"
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static int speed = -1;
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static int paranoia_mode = 1;
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static char* generic_dev = NULL;
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static int sector_size = 0;
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static int search_overlap = -1;
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static int toc_bias = 0;
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static int toc_offset = 0;
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static int no_skip = 0;
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config_t cdda_opts[] = {
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{ "speed", &speed, CONF_TYPE_INT, CONF_RANGE,1,100, NULL },
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{ "paranoia", ¶noia_mode, CONF_TYPE_INT,CONF_RANGE, 0, 2, NULL },
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{ "generic-dev", &generic_dev, CONF_TYPE_STRING, 0, 0, 0, NULL },
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{ "sector-size", §or_size, CONF_TYPE_INT, CONF_RANGE,1,100, NULL },
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{ "overlap", &search_overlap, CONF_TYPE_INT, CONF_RANGE,0,75, NULL },
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{ "toc-bias", &toc_bias, CONF_TYPE_INT, 0, 0, 0, NULL },
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{ "toc-offset", &toc_offset, CONF_TYPE_INT, 0, 0, 0, NULL },
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{ "noskip", &no_skip, CONF_TYPE_FLAG, 0 , 0, 1, NULL },
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{ "skip", &no_skip, CONF_TYPE_FLAG, 0 , 1, 0, NULL },
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{NULL, NULL, 0, 0, 0, 0, NULL}
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};
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stream_t* open_cdda(char* dev,char* track) {
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stream_t* st;
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int start_track = 0;
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int end_track = 0;
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int mode = paranoia_mode;
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int offset = toc_offset;
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cdrom_drive* cdd = NULL;
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cdda_priv* priv;
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char* end = strchr(track,'-');
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cd_info_t *cd_info;
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unsigned int audiolen=0;
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int i;
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if(!end)
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start_track = end_track = atoi(track);
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else {
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int st_len = end - track;
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int ed_len = strlen(track) - 1 - st_len;
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if(st_len) {
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char st[st_len + 1];
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strncpy(st,track,st_len);
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st[st_len] = '\0';
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start_track = atoi(st);
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}
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if(ed_len) {
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char ed[ed_len + 1];
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strncpy(ed,end+1,ed_len);
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ed[ed_len] = '\0';
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end_track = atoi(ed);
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}
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}
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if(generic_dev)
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cdd = cdda_identify_scsi(generic_dev,dev,0,NULL);
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else
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cdd = cdda_identify(dev,0,NULL);
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if(!cdd) {
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mp_msg(MSGT_OPEN,MSGL_ERR,"Can't open cdda device\n");
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return NULL;
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}
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cdda_verbose_set(cdd, CDDA_MESSAGE_FORGETIT, CDDA_MESSAGE_FORGETIT);
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if(sector_size) {
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cdd->nsectors = sector_size;
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cdd->bigbuff = sector_size * CD_FRAMESIZE_RAW;
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}
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if(cdda_open(cdd) != 0) {
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mp_msg(MSGT_OPEN,MSGL_ERR,"Can't open disc\n");
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cdda_close(cdd);
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return NULL;
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}
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cd_info = cd_info_new();
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mp_msg(MSGT_OPEN,MSGL_INFO,"Found Audio CD with %d tracks\n",cdda_tracks(cdd));
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for(i=0;i<cdd->tracks;i++) {
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char track_name[80];
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long sec=cdda_track_firstsector(cdd,i+1);
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long off=cdda_track_lastsector(cdd,i+1)-sec+1;
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sprintf(track_name, "Track %d", i+1);
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cd_info_add_track(cd_info, track_name, i+1, (unsigned int)(off/(60*75)), (unsigned int)((off/75)%60), (unsigned int)(off%75), sec, off );
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audiolen += off;
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}
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cd_info->min = (unsigned int)(audiolen/(60*75));
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cd_info->sec = (unsigned int)((audiolen/75)%60);
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cd_info->msec = (unsigned int)(audiolen%75);
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priv = (cdda_priv*)malloc(sizeof(cdda_priv));
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memset(priv, 0, sizeof(cdda_priv));
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priv->cd = cdd;
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priv->cd_info = cd_info;
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if(toc_bias)
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offset -= cdda_track_firstsector(cdd,1);
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if(offset) {
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int i;
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for(i = 0 ; i < cdd->tracks + 1 ; i++)
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cdd->disc_toc[i].dwStartSector += offset;
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}
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if(speed)
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cdda_speed_set(cdd,speed);
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if(start_track)
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priv->start_sector = cdda_track_firstsector(cdd,start_track);
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else
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priv->start_sector = cdda_disc_firstsector(cdd);
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if(end_track) {
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int last = cdda_tracks(cdd);
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if(end_track > last) end_track = last;
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priv->end_sector = cdda_track_lastsector(cdd,end_track);
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} else
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priv->end_sector = cdda_disc_lastsector(cdd);
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priv->cdp = paranoia_init(cdd);
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if(priv->cdp == NULL) {
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cdda_close(cdd);
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free(priv);
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return NULL;
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}
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if(mode == 0)
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mode = PARANOIA_MODE_DISABLE;
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else if(mode == 1)
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mode = PARANOIA_MODE_OVERLAP;
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else
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mode = PARANOIA_MODE_FULL;
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if(no_skip)
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mode |= PARANOIA_MODE_NEVERSKIP;
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if(search_overlap >= 0)
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paranoia_overlapset(cdd,search_overlap);
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paranoia_seek(priv->cdp,priv->start_sector,SEEK_SET);
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priv->sector = priv->start_sector;
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st = new_stream(-1,STREAMTYPE_CDDA);
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st->priv = priv;
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st->start_pos = priv->start_sector*CD_FRAMESIZE_RAW;
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st->end_pos = priv->end_sector*CD_FRAMESIZE_RAW;
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return st;
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}
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static void cdparanoia_callback(long inpos, int function) {
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}
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int read_cdda(stream_t* s) {
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cdda_priv* p = (cdda_priv*)s->priv;
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cd_track_t *cd_track;
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int16_t * buf;
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unsigned int i;
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buf = paranoia_read(p->cdp,cdparanoia_callback);
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p->sector++;
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s->pos = p->sector*CD_FRAMESIZE_RAW;
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memcpy(s->buffer,buf,CD_FRAMESIZE_RAW);
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if(p->sector == p->end_sector)
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s->eof = 1;
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for(i=0;i<p->cd->tracks;i++){
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if(p->cd->disc_toc[i].dwStartSector==p->sector-1) {
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cd_track = cd_info_get_track(p->cd_info, i+1);
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//printf("Track %d, sector=%d\n", i, p->sector-1);
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if( cd_track!=NULL ) {
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printf("%s\n", cd_track->name );
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}
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break;
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}
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}
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return CD_FRAMESIZE_RAW;
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}
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void seek_cdda(stream_t* s) {
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cdda_priv* p = (cdda_priv*)s->priv;
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cd_track_t *cd_track;
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int sec;
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int current_track=0, seeked_track=0;
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int i;
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sec = s->pos/CD_FRAMESIZE_RAW;
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//printf("pos: %d, sec: %d ## %d\n", s->pos, sec, s->pos/CD_FRAMESIZE_RAW);
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//printf("sector: %d\n", p->sector );
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for(i=0;i<p->cd->tracks;i++){
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if( p->sector>p->cd->disc_toc[i].dwStartSector && p->sector<p->cd->disc_toc[i+1].dwStartSector ) {
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current_track = i;
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}
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if( sec>p->cd->disc_toc[i].dwStartSector && sec<p->cd->disc_toc[i+1].dwStartSector ) {
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seeked_track = i;
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}
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}
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//printf("current: %d, seeked: %d\n", current_track, seeked_track);
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if( current_track!=seeked_track ) {
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//printf("Track %d, sector=%d\n", seeked_track, sec);
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cd_track = cd_info_get_track(p->cd_info, seeked_track+1);
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if( cd_track!=NULL ) {
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printf("%s\n", cd_track->name );
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}
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}
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if(sec < p->start_sector)
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sec = p->start_sector;
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else if(sec > p->end_sector)
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sec = p->end_sector;
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p->sector = sec;
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// s->pos = sec*CD_FRAMESIZE_RAW;
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//printf("seek: %d, sec: %d\n", s->pos, sec);
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paranoia_seek(p->cdp,sec,SEEK_SET);
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}
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void close_cdda(stream_t* s) {
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cdda_priv* p = (cdda_priv*)s->priv;
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paranoia_free(p->cdp);
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cdda_close(p->cd);
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}
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#endif
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