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mpv/stream/stream_cdda.c

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#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include "stream.h"
#include "m_option.h"
#include "m_struct.h"
#include "libavutil/common.h"
#include "mpbswap.h"
#include "libmpdemux/demuxer.h"
#include "cdd.h"
#include "mp_msg.h"
#include "help_mp.h"
#ifndef CD_FRAMESIZE_RAW
#define CD_FRAMESIZE_RAW CDIO_CD_FRAMESIZE_RAW
#endif
extern char *cdrom_device;
static struct cdda_params {
int speed;
int paranoia_mode;
char* generic_dev;
int sector_size;
int search_overlap;
int toc_bias;
int toc_offset;
int no_skip;
char* device;
m_span_t span;
} cdda_dflts = {
-1,
0,
NULL,
0,
-1,
0,
0,
0,
NULL,
{ 0, 0 }
};
#define ST_OFF(f) M_ST_OFF(struct cdda_params,f)
static const m_option_t cdda_params_fields[] = {
{ "speed", ST_OFF(speed), CONF_TYPE_INT, M_OPT_RANGE,1,100, NULL },
{ "paranoia", ST_OFF(paranoia_mode), CONF_TYPE_INT,M_OPT_RANGE, 0, 2, NULL },
{ "generic-dev", ST_OFF(generic_dev), CONF_TYPE_STRING, 0, 0, 0, NULL },
{ "sector-size", ST_OFF(sector_size), CONF_TYPE_INT, M_OPT_RANGE,1,100, NULL },
{ "overlap", ST_OFF(search_overlap), CONF_TYPE_INT, M_OPT_RANGE,0,75, NULL },
{ "toc-bias", ST_OFF(toc_bias), CONF_TYPE_INT, 0, 0, 0, NULL },
{ "toc-offset", ST_OFF(toc_offset), CONF_TYPE_INT, 0, 0, 0, NULL },
{ "noskip", ST_OFF(no_skip), CONF_TYPE_FLAG, 0 , 0, 1, NULL },
{ "skip", ST_OFF(no_skip), CONF_TYPE_FLAG, 0 , 1, 0, NULL },
{ "device", ST_OFF(device), CONF_TYPE_STRING, 0, 0, 0, NULL },
{ "span", ST_OFF(span), CONF_TYPE_OBJ_PARAMS, 0, 0, 0, &m_span_params_def },
/// For url parsing
{ "hostname", ST_OFF(span), CONF_TYPE_OBJ_PARAMS, 0, 0, 0, &m_span_params_def },
{ "port", ST_OFF(speed), CONF_TYPE_INT, M_OPT_RANGE,1,100, NULL },
{ "filename", ST_OFF(device), CONF_TYPE_STRING, 0, 0, 0, NULL },
{NULL, NULL, 0, 0, 0, 0, NULL}
};
static const struct m_struct_st stream_opts = {
"cdda",
sizeof(struct cdda_params),
&cdda_dflts,
cdda_params_fields
};
/// We keep these options but now they set the defaults
const m_option_t cdda_opts[] = {
{ "speed", &cdda_dflts.speed, CONF_TYPE_INT, M_OPT_RANGE,1,100, NULL },
{ "paranoia", &cdda_dflts.paranoia_mode, CONF_TYPE_INT,M_OPT_RANGE, 0, 2, NULL },
{ "generic-dev", &cdda_dflts.generic_dev, CONF_TYPE_STRING, 0, 0, 0, NULL },
{ "sector-size", &cdda_dflts.sector_size, CONF_TYPE_INT, M_OPT_RANGE,1,100, NULL },
{ "overlap", &cdda_dflts.search_overlap, CONF_TYPE_INT, M_OPT_RANGE,0,75, NULL },
{ "toc-bias", &cdda_dflts.toc_bias, CONF_TYPE_INT, 0, 0, 0, NULL },
{ "toc-offset", &cdda_dflts.toc_offset, CONF_TYPE_INT, 0, 0, 0, NULL },
{ "noskip", &cdda_dflts.no_skip, CONF_TYPE_FLAG, 0 , 0, 1, NULL },
{ "skip", &cdda_dflts.no_skip, CONF_TYPE_FLAG, 0 , 1, 0, NULL },
{ "device", &cdda_dflts.device, CONF_TYPE_STRING, 0, 0, 0, NULL },
{ "span", &cdda_dflts.span, CONF_TYPE_OBJ_PARAMS, 0, 0, 0, &m_span_params_def },
{NULL, NULL, 0, 0, 0, 0, NULL}
};
extern int cdd_identify(const char *dev);
extern int cddb_resolve(const char *dev, char **xmcd_file);
extern cd_info_t* cddb_parse_xmcd(char *xmcd_file);
static int seek(stream_t* s,off_t pos);
static int fill_buffer(stream_t* s, char* buffer, int max_len);
static void close_cdda(stream_t* s);
static int get_track_by_sector(cdda_priv *p, unsigned int sector) {
int i;
for (i = p->cd->tracks; i >= 0 ; --i)
if (p->cd->disc_toc[i].dwStartSector <= sector)
break;
return i;
}
static int control(stream_t *stream, int cmd, void *arg) {
cdda_priv* p = stream->priv;
switch(cmd) {
case STREAM_CTRL_GET_NUM_CHAPTERS:
{
int start_track = get_track_by_sector(p, p->start_sector);
int end_track = get_track_by_sector(p, p->end_sector);
*(unsigned int *)arg = end_track + 1 - start_track;
return STREAM_OK;
}
case STREAM_CTRL_SEEK_TO_CHAPTER:
{
int r;
unsigned int track = *(unsigned int *)arg;
int start_track = get_track_by_sector(p, p->start_sector);
int seek_sector;
track += start_track;
if (track >= p->cd->tracks) {
stream->eof = 1;
return STREAM_ERROR;
}
seek_sector = track <= 0 ? p->start_sector
: p->cd->disc_toc[track].dwStartSector;
r = seek(stream, seek_sector * CD_FRAMESIZE_RAW);
if (r)
return STREAM_OK;
break;
}
case STREAM_CTRL_GET_CURRENT_CHAPTER:
{
int start_track = get_track_by_sector(p, p->start_sector);
int cur_track = get_track_by_sector(p, p->sector);
*(unsigned int *)arg = cur_track - start_track;
return STREAM_OK;
}
}
return STREAM_UNSUPPORTED;
}
static int open_cdda(stream_t *st,int m, void* opts, int* file_format) {
struct cdda_params* p = (struct cdda_params*)opts;
int mode = p->paranoia_mode;
int offset = p->toc_offset;
#ifndef HAVE_LIBCDIO
cdrom_drive* cdd = NULL;
#else
cdrom_drive_t* cdd = NULL;
#endif
cdda_priv* priv;
cd_info_t *cd_info,*cddb_info = NULL;
unsigned int audiolen=0;
int last_track;
int i;
char *xmcd_file = NULL;
if(m != STREAM_READ) {
m_struct_free(&stream_opts,opts);
return STREAM_UNSUPPORTED;
}
if(!p->device) {
if (cdrom_device)
p->device = strdup(cdrom_device);
else
p->device = strdup(DEFAULT_CDROM_DEVICE);
}
#ifdef HAVE_CDDB
// cdd_identify returns -1 if it cannot read the TOC,
// in which case there is no point in calling cddb_resolve
if(cdd_identify(p->device) >= 0 && strncmp(st->url,"cddb",4) == 0) {
i = cddb_resolve(p->device, &xmcd_file);
if(i == 0) {
cddb_info = cddb_parse_xmcd(xmcd_file);
free(xmcd_file);
}
}
#endif
#ifndef HAVE_LIBCDIO
if(p->generic_dev)
cdd = cdda_identify_scsi(p->generic_dev,p->device,0,NULL);
else
#endif
#if defined(__NetBSD__)
cdd = cdda_identify_scsi(p->device,p->device,0,NULL);
#else
cdd = cdda_identify(p->device,0,NULL);
#endif
if(!cdd) {
mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_MPDEMUX_CDDA_CantOpenCDDADevice);
m_struct_free(&stream_opts,opts);
free(cddb_info);
return STREAM_ERROR;
}
cdda_verbose_set(cdd, CDDA_MESSAGE_FORGETIT, CDDA_MESSAGE_FORGETIT);
if(p->sector_size) {
cdd->nsectors = p->sector_size;
#ifndef HAVE_LIBCDIO
cdd->bigbuff = p->sector_size * CD_FRAMESIZE_RAW;
#endif
}
if(cdda_open(cdd) != 0) {
mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_MPDEMUX_CDDA_CantOpenDisc);
cdda_close(cdd);
m_struct_free(&stream_opts,opts);
free(cddb_info);
return STREAM_ERROR;
}
cd_info = cd_info_new();
mp_msg(MSGT_OPEN,MSGL_INFO,MSGTR_MPDEMUX_CDDA_AudioCDFoundWithNTracks,cdda_tracks(cdd));
for(i=0;i<cdd->tracks;i++) {
char track_name[80];
long sec=cdda_track_firstsector(cdd,i+1);
long off=cdda_track_lastsector(cdd,i+1)-sec+1;
sprintf(track_name, "Track %d", i+1);
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 );
audiolen += off;
}
cd_info->min = (unsigned int)(audiolen/(60*75));
cd_info->sec = (unsigned int)((audiolen/75)%60);
cd_info->msec = (unsigned int)(audiolen%75);
priv = malloc(sizeof(cdda_priv));
memset(priv, 0, sizeof(cdda_priv));
priv->cd = cdd;
priv->cd_info = cd_info;
if(p->toc_bias)
offset -= cdda_track_firstsector(cdd,1);
if(offset) {
int i;
for(i = 0 ; i < cdd->tracks + 1 ; i++)
cdd->disc_toc[i].dwStartSector += offset;
}
if(p->speed)
cdda_speed_set(cdd,p->speed);
last_track = cdda_tracks(cdd);
if (p->span.start > last_track) p->span.start = last_track;
if (p->span.end < p->span.start) p->span.end = p->span.start;
if (p->span.end > last_track) p->span.end = last_track;
if(p->span.start)
priv->start_sector = cdda_track_firstsector(cdd,p->span.start);
else
priv->start_sector = cdda_disc_firstsector(cdd);
if(p->span.end) {
priv->end_sector = cdda_track_lastsector(cdd,p->span.end);
} else
priv->end_sector = cdda_disc_lastsector(cdd);
priv->cdp = paranoia_init(cdd);
if(priv->cdp == NULL) {
cdda_close(cdd);
free(priv);
cd_info_free(cd_info);
m_struct_free(&stream_opts,opts);
free(cddb_info);
return STREAM_ERROR;
}
if(mode == 0)
mode = PARANOIA_MODE_DISABLE;
else if(mode == 1)
mode = PARANOIA_MODE_OVERLAP;
else
mode = PARANOIA_MODE_FULL;
if(p->no_skip)
mode |= PARANOIA_MODE_NEVERSKIP;
#ifndef HAVE_LIBCDIO
paranoia_modeset(cdd, mode);
if(p->search_overlap >= 0)
paranoia_overlapset(cdd,p->search_overlap);
#else
paranoia_modeset(priv->cdp, mode);
if(p->search_overlap >= 0)
paranoia_overlapset(priv->cdp,p->search_overlap);
#endif
paranoia_seek(priv->cdp,priv->start_sector,SEEK_SET);
priv->sector = priv->start_sector;
#ifdef HAVE_CDDB
if(cddb_info) {
cd_info_free(cd_info);
priv->cd_info = cddb_info;
cd_info_debug( cddb_info );
}
#endif
st->priv = priv;
st->start_pos = priv->start_sector*CD_FRAMESIZE_RAW;
st->end_pos = (priv->end_sector + 1) * CD_FRAMESIZE_RAW;
st->type = STREAMTYPE_CDDA;
st->sector_size = CD_FRAMESIZE_RAW;
st->fill_buffer = fill_buffer;
st->seek = seek;
st->control = control;
st->close = close_cdda;
*file_format = DEMUXER_TYPE_RAWAUDIO;
m_struct_free(&stream_opts,opts);
return STREAM_OK;
}
#ifndef HAVE_LIBCDIO
static void cdparanoia_callback(long inpos, int function) {
#else
static void cdparanoia_callback(long int inpos, paranoia_cb_mode_t function) {
#endif
}
static int fill_buffer(stream_t* s, char* buffer, int max_len) {
cdda_priv* p = (cdda_priv*)s->priv;
cd_track_t *cd_track;
int16_t * buf;
int i;
if((p->sector < p->start_sector) || (p->sector > p->end_sector)) {
s->eof = 1;
return 0;
}
buf = paranoia_read(p->cdp,cdparanoia_callback);
if (!buf)
return 0;
#ifdef WORDS_BIGENDIAN
for(i=0;i<CD_FRAMESIZE_RAW/2;i++)
buf[i]=le2me_16(buf[i]);
#endif
p->sector++;
memcpy(buffer,buf,CD_FRAMESIZE_RAW);
for(i=0;i<p->cd->tracks;i++){
if(p->cd->disc_toc[i].dwStartSector==p->sector-1) {
cd_track = cd_info_get_track(p->cd_info, i+1);
//printf("Track %d, sector=%d\n", i, p->sector-1);
if( cd_track!=NULL ) {
mp_msg(MSGT_SEEK, MSGL_INFO, "\n%s\n", cd_track->name);
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CDDA_TRACK=%d\n", cd_track->track_nb);
}
break;
}
}
return CD_FRAMESIZE_RAW;
}
static int seek(stream_t* s,off_t newpos) {
cdda_priv* p = (cdda_priv*)s->priv;
cd_track_t *cd_track;
int sec;
int current_track=0, seeked_track=0;
int seek_to_track = 0;
int i;
s->pos = newpos;
sec = s->pos/CD_FRAMESIZE_RAW;
if (s->pos < 0 || sec > p->end_sector) {
s->eof = 1;
return 0;
}
//printf("pos: %d, sec: %d ## %d\n", (int)s->pos, (int)sec, CD_FRAMESIZE_RAW);
//printf("sector: %d new: %d\n", p->sector, sec );
for(i=0;i<p->cd->tracks;i++){
// printf("trk #%d: %d .. %d\n",i,p->cd->disc_toc[i].dwStartSector,p->cd->disc_toc[i+1].dwStartSector);
if( p->sector>=p->cd->disc_toc[i].dwStartSector && p->sector<p->cd->disc_toc[i+1].dwStartSector ) {
current_track = i;
}
if( sec>=p->cd->disc_toc[i].dwStartSector && sec<p->cd->disc_toc[i+1].dwStartSector ) {
seeked_track = i;
seek_to_track = sec == p->cd->disc_toc[i].dwStartSector;
}
}
//printf("current: %d, seeked: %d\n", current_track, seeked_track);
if (current_track != seeked_track && !seek_to_track) {
//printf("Track %d, sector=%d\n", seeked_track, sec);
cd_track = cd_info_get_track(p->cd_info, seeked_track+1);
if( cd_track!=NULL ) {
mp_msg(MSGT_SEEK, MSGL_INFO, "\n%s\n", cd_track->name);
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CDDA_TRACK=%d\n", cd_track->track_nb);
}
}
#if 0
if(sec < p->start_sector)
sec = p->start_sector;
else if(sec > p->end_sector)
sec = p->end_sector;
#endif
p->sector = sec;
// s->pos = sec*CD_FRAMESIZE_RAW;
//printf("seek: %d, sec: %d\n", (int)s->pos, sec);
paranoia_seek(p->cdp,sec,SEEK_SET);
return 1;
}
static void close_cdda(stream_t* s) {
cdda_priv* p = (cdda_priv*)s->priv;
paranoia_free(p->cdp);
cdda_close(p->cd);
cd_info_free(p->cd_info);
free(p);
}
const stream_info_t stream_info_cdda = {
"CDDA",
"cdda",
"Albeu",
"",
open_cdda,
{ "cdda",
#ifdef HAVE_CDDB
"cddb",
#endif
NULL },
&stream_opts,
1 // Urls are an option string
};
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