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mpv/stream/stream_cdda.c

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/*
* This file is part of MPlayer.
*
* Original author: Albeu
*
* MPlayer 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.
*
* MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <cdio/cdio.h>
#if CDIO_API_VERSION < 6
#define OLD_API
#endif
#ifdef OLD_API
#include <cdio/cdda.h>
#include <cdio/paranoia.h>
#else
#include <cdio/paranoia/cdda.h>
#include <cdio/paranoia/paranoia.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <sys/types.h>
#include "talloc.h"
#include "stream.h"
#include "options/m_option.h"
#include "libavutil/common.h"
#include "compat/mpbswap.h"
#include "cdd.h"
#include "common/msg.h"
typedef struct {
cdrom_drive_t *cd;
cdrom_paranoia_t *cdp;
int sector;
int start_sector;
int end_sector;
cd_info_t *cd_info;
// options
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;
int span[2];
} cdda_priv;
static cdda_priv cdda_dflts = {
.search_overlap = -1,
};
#define OPT_BASE_STRUCT cdda_priv
static const m_option_t cdda_params_fields[] = {
OPT_INTPAIR("span", span, 0),
OPT_INTRANGE("speed", speed, 0, 1, 100),
OPT_STRING("device", device, 0),
{0}
};
/// 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_INT_PAIR, 0, 0, 0, NULL},
{NULL, NULL, 0, 0, 0, 0, NULL}
};
static const char *cdtext_name[] = {
#ifdef OLD_API
[CDTEXT_ARRANGER] = "Arranger",
[CDTEXT_COMPOSER] = "Composer",
[CDTEXT_MESSAGE] = "Message",
[CDTEXT_ISRC] = "ISRC",
[CDTEXT_PERFORMER] = "Performer",
[CDTEXT_SONGWRITER] = "Songwriter",
[CDTEXT_TITLE] = "Title",
[CDTEXT_UPC_EAN] = "UPC_EAN",
#else
[CDTEXT_FIELD_ARRANGER] = "Arranger",
[CDTEXT_FIELD_COMPOSER] = "Composer",
[CDTEXT_FIELD_MESSAGE] = "Message",
[CDTEXT_FIELD_ISRC] = "ISRC",
[CDTEXT_FIELD_PERFORMER] = "Performer",
[CDTEXT_FIELD_SONGWRITER] = "Songwriter",
[CDTEXT_FIELD_TITLE] = "Title",
[CDTEXT_FIELD_UPC_EAN] = "UPC_EAN",
#endif
};
static bool print_cdtext(stream_t *s, int track)
{
cdda_priv* p = (cdda_priv*)s->priv;
#ifdef OLD_API
cdtext_t *text = cdio_get_cdtext(p->cd->p_cdio, track);
#else
cdtext_t *text = cdio_get_cdtext(p->cd->p_cdio);
#endif
if (text) {
mp_msg(MSGT_SEEK, MSGL_INFO, "CD-Text (%s):\n", track ? "track" : "CD");
for (int i = 0; i < sizeof(cdtext_name) / sizeof(cdtext_name[0]); i++) {
const char *name = cdtext_name[i];
#ifdef OLD_API
const char *value = cdtext_get_const(i, text);
#else
const char *value = cdtext_get_const(text, i, track);
#endif
if (name && value)
mp_msg(MSGT_SEEK, MSGL_INFO, " %s: '%s'\n", name, value);
}
return true;
}
return false;
}
static void print_track_info(stream_t *s, int track)
{
cdda_priv* p = (cdda_priv*)s->priv;
cd_track_t *cd_track = cd_info_get_track(p->cd_info, track);
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 (print_cdtext(s, track)) {
// hack for term OSD overwriting the last line of CDTEXT
mp_msg(MSGT_SEEK, MSGL_INFO, "\n");
}
}
static void cdparanoia_callback(long int inpos, paranoia_cb_mode_t function)
{
}
static int fill_buffer(stream_t *s, char *buffer, int max_len)
{
cdda_priv *p = (cdda_priv *)s->priv;
int16_t *buf;
int i;
if (max_len < CDIO_CD_FRAMESIZE_RAW)
return -1;
if ((p->sector < p->start_sector) || (p->sector > p->end_sector)) {
return 0;
}
buf = paranoia_read(p->cdp, cdparanoia_callback);
if (!buf)
return 0;
#if BYTE_ORDER == BIG_ENDIAN
for (i = 0; i < CDIO_CD_FRAMESIZE_RAW / 2; i++)
buf[i] = le2me_16(buf[i]);
#endif
p->sector++;
memcpy(buffer, buf, CDIO_CD_FRAMESIZE_RAW);
for (i = 0; i < p->cd->tracks; i++) {
if (p->cd->disc_toc[i].dwStartSector == p->sector - 1) {
print_track_info(s, i + 1);
break;
}
}
return CDIO_CD_FRAMESIZE_RAW;
}
static int seek(stream_t *s, int64_t newpos)
{
cdda_priv *p = (cdda_priv *)s->priv;
int sec;
int current_track = 0, seeked_track = 0;
int seek_to_track = 0;
int i;
sec = newpos / CDIO_CD_FRAMESIZE_RAW;
if (newpos < 0 || sec > p->end_sector) {
p->sector = p->end_sector + 1;
return 0;
}
for (i = 0; i < p->cd->tracks; i++) {
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;
}
}
if (current_track != seeked_track && !seek_to_track)
print_track_info(s, seeked_track + 1);
p->sector = 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);
}
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_TITLES:
{
*(unsigned int *)arg = p->cd->tracks;
return STREAM_OK;
}
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);
if (start_track == -1 || end_track == -1)
return STREAM_ERROR;
*(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 end_track = get_track_by_sector(p, p->end_sector);
int seek_sector;
if (start_track == -1 || end_track == -1)
return STREAM_ERROR;
track += start_track;
if (track > end_track) {
seek(stream, (p->end_sector + 1) * CDIO_CD_FRAMESIZE_RAW);
// seeking beyond EOF should not be an error,
// the cache cannot handle changing stream pos and
// returning error.
return STREAM_OK;
}
seek_sector = track == 0 ? p->start_sector
: p->cd->disc_toc[track].dwStartSector;
r = seek(stream, seek_sector * CDIO_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);
if (start_track == -1 || cur_track == -1)
return STREAM_ERROR;
*(unsigned int *)arg = cur_track - start_track;
return STREAM_OK;
}
}
return STREAM_UNSUPPORTED;
}
static int open_cdda(stream_t *st, int m)
{
cdda_priv *priv = st->priv;
cdda_priv *p = priv;
int mode = p->paranoia_mode;
int offset = p->toc_offset;
cdrom_drive_t *cdd = NULL;
cd_info_t *cd_info;
unsigned int audiolen = 0;
int last_track;
int i;
if (m != STREAM_READ) {
return STREAM_UNSUPPORTED;
}
if (!p->device) {
if (cdrom_device)
p->device = talloc_strdup(NULL, cdrom_device);
else
p->device = talloc_strdup(NULL, DEFAULT_CDROM_DEVICE);
}
#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, "Can't open CDDA device.\n");
return STREAM_ERROR;
}
cdda_verbose_set(cdd, CDDA_MESSAGE_FORGETIT, CDDA_MESSAGE_FORGETIT);
if (p->sector_size)
cdd->nsectors = p->sector_size;
if (cdda_open(cdd) != 0) {
mp_msg(MSGT_OPEN, MSGL_ERR, "Can't open disc.\n");
cdda_close(cdd);
return STREAM_ERROR;
}
cd_info = cd_info_new();
mp_msg(MSGT_OPEN, MSGL_INFO, "Found audio CD with %d tracks.\n",
(int)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) {
for (int n = 0; n < cdd->tracks + 1; n++)
cdd->disc_toc[n].dwStartSector += offset;
}
if (p->speed > 0)
cdda_speed_set(cdd, p->speed);
last_track = cdda_tracks(cdd);
if (p->span[0] > last_track)
p->span[0] = last_track;
if (p->span[1] < p->span[0])
p->span[1] = p->span[0];
if (p->span[1] > last_track)
p->span[1] = last_track;
if (p->span[0])
priv->start_sector = cdda_track_firstsector(cdd, p->span[0]);
else
priv->start_sector = cdda_disc_firstsector(cdd);
if (p->span[1])
priv->end_sector = cdda_track_lastsector(cdd, p->span[1]);
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);
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;
else
mode &= ~PARANOIA_MODE_NEVERSKIP;
if (p->search_overlap > 0)
mode |= PARANOIA_MODE_OVERLAP;
else if (p->search_overlap == 0)
mode &= ~PARANOIA_MODE_OVERLAP;
paranoia_modeset(priv->cdp, mode);
if (p->search_overlap > 0)
paranoia_overlapset(priv->cdp, p->search_overlap);
paranoia_seek(priv->cdp, priv->start_sector, SEEK_SET);
priv->sector = priv->start_sector;
st->priv = priv;
st->start_pos = priv->start_sector * CDIO_CD_FRAMESIZE_RAW;
st->end_pos = (priv->end_sector + 1) * CDIO_CD_FRAMESIZE_RAW;
st->sector_size = CDIO_CD_FRAMESIZE_RAW;
st->fill_buffer = fill_buffer;
st->seek = seek;
st->control = control;
st->close = close_cdda;
st->demuxer = "rawaudio";
print_cdtext(st, 0);
return STREAM_OK;
}
const stream_info_t stream_info_cdda = {
.name = "cdda",
.open = open_cdda,
.protocols = (const char*[]){"cdda", NULL },
.priv_size = sizeof(cdda_priv),
.priv_defaults = &cdda_dflts,
.options = cdda_params_fields,
.url_options = (const char*[]){
"hostname=span",
"port=speed",
"filename=device",
NULL
},
};
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