mirror of
https://github.com/mpv-player/mpv
synced 2024-12-11 09:25:56 +00:00
59e26907b6
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@30468 b3059339-0415-0410-9bf9-f77b7e298cf2
136 lines
3.9 KiB
C
136 lines
3.9 KiB
C
/*
|
|
* This file is part of MPlayer.
|
|
*
|
|
* 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 <fcntl.h>
|
|
#include <inttypes.h>
|
|
#include <unistd.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <dvdread/ifo_types.h>
|
|
#ifdef __FreeBSD__
|
|
#include <sys/cdrio.h>
|
|
#endif
|
|
|
|
#ifdef __linux__
|
|
#include <linux/cdrom.h>
|
|
#include <scsi/sg.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/ioctl.h>
|
|
#endif
|
|
|
|
#include "mp_msg.h"
|
|
#include "help_mp.h"
|
|
#include "stream_dvd_common.h"
|
|
#include "libavutil/intreadwrite.h"
|
|
|
|
const char * const dvd_audio_stream_types[8] = { "ac3","unknown","mpeg1","mpeg2ext","lpcm","unknown","dts" };
|
|
const char * const dvd_audio_stream_channels[6] = { "mono", "stereo", "unknown", "unknown", "5.1/6.1", "5.1" };
|
|
|
|
int dvd_speed=0; /* 0 => don't touch speed */
|
|
|
|
void dvd_set_speed(char *device, unsigned speed)
|
|
{
|
|
#if defined(__linux__) && defined(SG_IO) && defined(GPCMD_SET_STREAMING)
|
|
int fd;
|
|
unsigned char buffer[28];
|
|
unsigned char cmd[12];
|
|
struct sg_io_hdr sghdr;
|
|
struct stat st;
|
|
|
|
memset(&st, 0, sizeof(st));
|
|
|
|
if (stat(device, &st) == -1) return;
|
|
|
|
if (!S_ISBLK(st.st_mode)) return; /* not a block device */
|
|
|
|
switch (speed) {
|
|
case 0: /* don't touch speed setting */
|
|
return;
|
|
case -1: /* restore default value */
|
|
if (dvd_speed == 0) return; /* we haven't touched the speed setting */
|
|
mp_msg(MSGT_OPEN, MSGL_INFO, MSGTR_DVDrestoreSpeed);
|
|
break;
|
|
default: /* limit to <speed> KB/s */
|
|
// speed < 100 is multiple of DVD single speed (1350KB/s)
|
|
if (speed < 100)
|
|
speed *= 1350;
|
|
mp_msg(MSGT_OPEN, MSGL_INFO, MSGTR_DVDlimitSpeed, speed);
|
|
break;
|
|
}
|
|
|
|
memset(&sghdr, 0, sizeof(sghdr));
|
|
sghdr.interface_id = 'S';
|
|
sghdr.timeout = 5000;
|
|
sghdr.dxfer_direction = SG_DXFER_TO_DEV;
|
|
sghdr.dxfer_len = sizeof(buffer);
|
|
sghdr.dxferp = buffer;
|
|
sghdr.cmd_len = sizeof(cmd);
|
|
sghdr.cmdp = cmd;
|
|
|
|
memset(cmd, 0, sizeof(cmd));
|
|
cmd[0] = GPCMD_SET_STREAMING;
|
|
cmd[10] = sizeof(buffer);
|
|
|
|
memset(buffer, 0, sizeof(buffer));
|
|
/* first sector 0, last sector 0xffffffff */
|
|
AV_WB32(buffer + 8, 0xffffffff);
|
|
if (speed == -1)
|
|
buffer[0] = 4; /* restore default */
|
|
else {
|
|
/* <speed> kilobyte */
|
|
AV_WB32(buffer + 12, speed);
|
|
AV_WB32(buffer + 20, speed);
|
|
}
|
|
/* 1 second */
|
|
AV_WB16(buffer + 18, 1000);
|
|
AV_WB16(buffer + 26, 1000);
|
|
|
|
fd = open(device, O_RDWR | O_NONBLOCK);
|
|
if (fd == -1) {
|
|
mp_msg(MSGT_OPEN, MSGL_INFO, MSGTR_DVDspeedCantOpen);
|
|
return;
|
|
}
|
|
|
|
if (ioctl(fd, SG_IO, &sghdr) < 0)
|
|
mp_msg(MSGT_OPEN, MSGL_INFO, MSGTR_DVDlimitFail);
|
|
else
|
|
mp_msg(MSGT_OPEN, MSGL_INFO, MSGTR_DVDlimitOk);
|
|
|
|
close(fd);
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
\brief Converts DVD time structure to milliseconds.
|
|
\param *dev the DVD time structure to convert
|
|
\return returns the time in milliseconds
|
|
*/
|
|
int mp_dvdtimetomsec(dvd_time_t *dt)
|
|
{
|
|
static int framerates[4] = {0, 2500, 0, 2997};
|
|
int framerate = framerates[(dt->frame_u & 0xc0) >> 6];
|
|
int msec = (((dt->hour & 0xf0) >> 3) * 5 + (dt->hour & 0x0f)) * 3600000;
|
|
msec += (((dt->minute & 0xf0) >> 3) * 5 + (dt->minute & 0x0f)) * 60000;
|
|
msec += (((dt->second & 0xf0) >> 3) * 5 + (dt->second & 0x0f)) * 1000;
|
|
if(framerate > 0)
|
|
msec += (((dt->frame_u & 0x30) >> 3) * 5 + (dt->frame_u & 0x0f)) * 100000 / framerate;
|
|
return msec;
|
|
}
|