mirror of https://github.com/mpv-player/mpv
480 lines
13 KiB
C
480 lines
13 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#ifndef CONFIG_LIBCDIO
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#include <cdda_interface.h>
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#include <cdda_paranoia.h>
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#else
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#include <cdio/cdda.h>
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#include <cdio/paranoia.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include "stream.h"
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#include "m_option.h"
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#include "m_struct.h"
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#include "libavutil/common.h"
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#include "mpbswap.h"
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#include "libmpdemux/demuxer.h"
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#include "cdd.h"
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#include "mp_msg.h"
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#ifndef CD_FRAMESIZE_RAW
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#define CD_FRAMESIZE_RAW CDIO_CD_FRAMESIZE_RAW
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#endif
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extern char *cdrom_device;
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typedef struct {
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#ifndef CONFIG_LIBCDIO
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cdrom_drive* cd;
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cdrom_paranoia* cdp;
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#else
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cdrom_drive_t* cd;
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cdrom_paranoia_t* cdp;
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#endif
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int sector;
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int start_sector;
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int end_sector;
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cd_info_t *cd_info;
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} cdda_priv;
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static struct cdda_params {
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int speed;
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int paranoia_mode;
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char* generic_dev;
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int sector_size;
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int search_overlap;
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int toc_bias;
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int toc_offset;
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int no_skip;
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char* device;
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m_span_t span;
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} cdda_dflts = {
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-1,
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0,
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NULL,
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0,
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-1,
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0,
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0,
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0,
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NULL,
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{ 0, 0 }
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};
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#define ST_OFF(f) M_ST_OFF(struct cdda_params,f)
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static const m_option_t cdda_params_fields[] = {
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{ "speed", ST_OFF(speed), CONF_TYPE_INT, M_OPT_RANGE,1,100, NULL },
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{ "paranoia", ST_OFF(paranoia_mode), CONF_TYPE_INT,M_OPT_RANGE, 0, 2, NULL },
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{ "generic-dev", ST_OFF(generic_dev), CONF_TYPE_STRING, 0, 0, 0, NULL },
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{ "sector-size", ST_OFF(sector_size), CONF_TYPE_INT, M_OPT_RANGE,1,100, NULL },
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{ "overlap", ST_OFF(search_overlap), CONF_TYPE_INT, M_OPT_RANGE,0,75, NULL },
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{ "toc-bias", ST_OFF(toc_bias), CONF_TYPE_INT, 0, 0, 0, NULL },
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{ "toc-offset", ST_OFF(toc_offset), CONF_TYPE_INT, 0, 0, 0, NULL },
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{ "noskip", ST_OFF(no_skip), CONF_TYPE_FLAG, 0 , 0, 1, NULL },
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{ "skip", ST_OFF(no_skip), CONF_TYPE_FLAG, 0 , 1, 0, NULL },
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{ "device", ST_OFF(device), CONF_TYPE_STRING, 0, 0, 0, NULL },
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{ "span", ST_OFF(span), CONF_TYPE_OBJ_PARAMS, 0, 0, 0, (void *)&m_span_params_def },
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/// For url parsing
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{ "hostname", ST_OFF(span), CONF_TYPE_OBJ_PARAMS, 0, 0, 0, (void *)&m_span_params_def },
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{ "port", ST_OFF(speed), CONF_TYPE_INT, M_OPT_RANGE,1,100, NULL },
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{ "filename", ST_OFF(device), CONF_TYPE_STRING, 0, 0, 0, NULL },
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{NULL, NULL, 0, 0, 0, 0, NULL}
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};
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static const struct m_struct_st stream_opts = {
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"cdda",
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sizeof(struct cdda_params),
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&cdda_dflts,
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cdda_params_fields
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};
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/// We keep these options but now they set the defaults
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const m_option_t cdda_opts[] = {
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{ "speed", &cdda_dflts.speed, CONF_TYPE_INT, M_OPT_RANGE,1,100, NULL },
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{ "paranoia", &cdda_dflts.paranoia_mode, CONF_TYPE_INT,M_OPT_RANGE, 0, 2, NULL },
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{ "generic-dev", &cdda_dflts.generic_dev, CONF_TYPE_STRING, 0, 0, 0, NULL },
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{ "sector-size", &cdda_dflts.sector_size, CONF_TYPE_INT, M_OPT_RANGE,1,100, NULL },
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{ "overlap", &cdda_dflts.search_overlap, CONF_TYPE_INT, M_OPT_RANGE,0,75, NULL },
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{ "toc-bias", &cdda_dflts.toc_bias, CONF_TYPE_INT, 0, 0, 0, NULL },
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{ "toc-offset", &cdda_dflts.toc_offset, CONF_TYPE_INT, 0, 0, 0, NULL },
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{ "noskip", &cdda_dflts.no_skip, CONF_TYPE_FLAG, 0 , 0, 1, NULL },
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{ "skip", &cdda_dflts.no_skip, CONF_TYPE_FLAG, 0 , 1, 0, NULL },
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{ "device", &cdda_dflts.device, CONF_TYPE_STRING, 0, 0, 0, NULL },
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{ "span", &cdda_dflts.span, CONF_TYPE_OBJ_PARAMS, 0, 0, 0, (void *)&m_span_params_def },
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{NULL, NULL, 0, 0, 0, 0, NULL}
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};
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#ifndef CONFIG_LIBCDIO
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static void cdparanoia_callback(long inpos, int function) {
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#else
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static void cdparanoia_callback(long int inpos, paranoia_cb_mode_t function) {
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#endif
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}
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static int fill_buffer(stream_t* s, char* buffer, int max_len) {
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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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int i;
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if((p->sector < p->start_sector) || (p->sector > p->end_sector)) {
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s->eof = 1;
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return 0;
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}
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buf = paranoia_read(p->cdp,cdparanoia_callback);
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if (!buf)
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return 0;
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#if HAVE_BIGENDIAN
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for(i=0;i<CD_FRAMESIZE_RAW/2;i++)
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buf[i]=le2me_16(buf[i]);
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#endif
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p->sector++;
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memcpy(buffer,buf,CD_FRAMESIZE_RAW);
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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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mp_msg(MSGT_SEEK, MSGL_INFO, "\n%s\n", cd_track->name);
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mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CDDA_TRACK=%d\n", cd_track->track_nb);
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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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static int seek(stream_t* s,off_t newpos) {
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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 seek_to_track = 0;
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int i;
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s->pos = newpos;
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sec = s->pos/CD_FRAMESIZE_RAW;
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if (s->pos < 0 || sec > p->end_sector) {
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s->eof = 1;
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return 0;
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}
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//printf("pos: %d, sec: %d ## %d\n", (int)s->pos, (int)sec, CD_FRAMESIZE_RAW);
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//printf("sector: %d new: %d\n", p->sector, sec );
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for(i=0;i<p->cd->tracks;i++){
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// printf("trk #%d: %d .. %d\n",i,p->cd->disc_toc[i].dwStartSector,p->cd->disc_toc[i+1].dwStartSector);
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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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seek_to_track = sec == p->cd->disc_toc[i].dwStartSector;
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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 && !seek_to_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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mp_msg(MSGT_SEEK, MSGL_INFO, "\n%s\n", cd_track->name);
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mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CDDA_TRACK=%d\n", cd_track->track_nb);
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}
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}
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#if 0
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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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#endif
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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", (int)s->pos, sec);
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paranoia_seek(p->cdp,sec,SEEK_SET);
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return 1;
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}
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static 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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cd_info_free(p->cd_info);
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free(p);
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}
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static int get_track_by_sector(cdda_priv *p, unsigned int sector) {
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int i;
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for (i = p->cd->tracks; i >= 0 ; --i)
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if (p->cd->disc_toc[i].dwStartSector <= sector)
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break;
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return i;
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}
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static int control(stream_t *stream, int cmd, void *arg) {
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cdda_priv* p = stream->priv;
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switch(cmd) {
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case STREAM_CTRL_GET_NUM_CHAPTERS:
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{
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int start_track = get_track_by_sector(p, p->start_sector);
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int end_track = get_track_by_sector(p, p->end_sector);
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*(unsigned int *)arg = end_track + 1 - start_track;
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return STREAM_OK;
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}
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case STREAM_CTRL_SEEK_TO_CHAPTER:
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{
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int r;
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unsigned int track = *(unsigned int *)arg;
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int start_track = get_track_by_sector(p, p->start_sector);
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int seek_sector;
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track += start_track;
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if (track >= p->cd->tracks) {
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stream->eof = 1;
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return STREAM_ERROR;
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}
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seek_sector = track <= 0 ? p->start_sector
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: p->cd->disc_toc[track].dwStartSector;
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r = seek(stream, seek_sector * CD_FRAMESIZE_RAW);
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if (r)
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return STREAM_OK;
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break;
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}
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case STREAM_CTRL_GET_CURRENT_CHAPTER:
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{
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int start_track = get_track_by_sector(p, p->start_sector);
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int cur_track = get_track_by_sector(p, p->sector);
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*(unsigned int *)arg = cur_track - start_track;
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return STREAM_OK;
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}
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}
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return STREAM_UNSUPPORTED;
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}
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static int open_cdda(stream_t *st,int m, void* opts, int* file_format) {
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struct cdda_params* p = (struct cdda_params*)opts;
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int mode = p->paranoia_mode;
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int offset = p->toc_offset;
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#ifndef CONFIG_LIBCDIO
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cdrom_drive* cdd = NULL;
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#else
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cdrom_drive_t* cdd = NULL;
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#endif
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cdda_priv* priv;
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cd_info_t *cd_info,*cddb_info = NULL;
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unsigned int audiolen=0;
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int last_track;
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int i;
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char *xmcd_file = NULL;
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if(m != STREAM_READ) {
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m_struct_free(&stream_opts,opts);
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return STREAM_UNSUPPORTED;
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}
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if(!p->device) {
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if (cdrom_device)
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p->device = strdup(cdrom_device);
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else
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p->device = strdup(DEFAULT_CDROM_DEVICE);
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}
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#ifdef CONFIG_CDDB
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// cdd_identify returns -1 if it cannot read the TOC,
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// in which case there is no point in calling cddb_resolve
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if(cdd_identify(p->device) >= 0 && strncmp(st->url,"cddb",4) == 0) {
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i = cddb_resolve(p->device, &xmcd_file);
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if(i == 0) {
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cddb_info = cddb_parse_xmcd(xmcd_file);
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free(xmcd_file);
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}
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}
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#endif
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#ifndef CONFIG_LIBCDIO
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if(p->generic_dev)
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cdd = cdda_identify_scsi(p->generic_dev,p->device,0,NULL);
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else
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#endif
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#if defined(__NetBSD__)
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cdd = cdda_identify_scsi(p->device,p->device,0,NULL);
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#else
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cdd = cdda_identify(p->device,0,NULL);
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#endif
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if(!cdd) {
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mp_tmsg(MSGT_OPEN,MSGL_ERR,"Can't open CDDA device.\n");
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m_struct_free(&stream_opts,opts);
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free(cddb_info);
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return STREAM_ERROR;
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}
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cdda_verbose_set(cdd, CDDA_MESSAGE_FORGETIT, CDDA_MESSAGE_FORGETIT);
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if(p->sector_size) {
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cdd->nsectors = p->sector_size;
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#ifndef CONFIG_LIBCDIO
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cdd->bigbuff = p->sector_size * CD_FRAMESIZE_RAW;
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#endif
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}
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if(cdda_open(cdd) != 0) {
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mp_tmsg(MSGT_OPEN,MSGL_ERR,"Can't open disc.\n");
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cdda_close(cdd);
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m_struct_free(&stream_opts,opts);
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free(cddb_info);
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return STREAM_ERROR;
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}
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cd_info = cd_info_new();
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mp_tmsg(MSGT_OPEN,MSGL_INFO,"Found audio CD with %ld 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 = 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(p->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(p->speed)
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cdda_speed_set(cdd,p->speed);
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last_track = cdda_tracks(cdd);
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if (p->span.start > last_track) p->span.start = last_track;
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if (p->span.end < p->span.start) p->span.end = p->span.start;
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if (p->span.end > last_track) p->span.end = last_track;
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if(p->span.start)
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priv->start_sector = cdda_track_firstsector(cdd,p->span.start);
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else
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priv->start_sector = cdda_disc_firstsector(cdd);
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if(p->span.end) {
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priv->end_sector = cdda_track_lastsector(cdd,p->span.end);
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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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cd_info_free(cd_info);
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m_struct_free(&stream_opts,opts);
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free(cddb_info);
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return STREAM_ERROR;
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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(p->no_skip)
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mode |= PARANOIA_MODE_NEVERSKIP;
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#ifndef CONFIG_LIBCDIO
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// HACK against libcdparanoia's stupid caching model that
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// queues up a huge number of requests leading to stuttering
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paranoia_cachemodel_size(priv->cdp, 24);
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paranoia_modeset(cdd, mode);
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if(p->search_overlap >= 0)
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paranoia_overlapset(cdd,p->search_overlap);
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#else
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paranoia_modeset(priv->cdp, mode);
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if(p->search_overlap >= 0)
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paranoia_overlapset(priv->cdp,p->search_overlap);
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#endif
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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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#ifdef CONFIG_CDDB
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if(cddb_info) {
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cd_info_free(cd_info);
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priv->cd_info = cddb_info;
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cd_info_debug( cddb_info );
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}
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#endif
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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 + 1) * CD_FRAMESIZE_RAW;
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st->type = STREAMTYPE_CDDA;
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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;
|
|
}
|
|
|
|
const stream_info_t stream_info_cdda = {
|
|
"CDDA",
|
|
"cdda",
|
|
"Albeu",
|
|
"",
|
|
open_cdda,
|
|
{ "cdda",
|
|
#ifdef CONFIG_CDDB
|
|
"cddb",
|
|
#endif
|
|
NULL },
|
|
&stream_opts,
|
|
1 // Urls are an option string
|
|
};
|