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Move dvd_speed and dvd_set_speed to dvd_common and implement -dvd-speed

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support for dvdnav.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@29890 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2009-11-10 23:20:05 +00:00
parent 36ec821836
commit 0d40667c8c
4 changed files with 79 additions and 73 deletions
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73
stream/stream_dvd.c
View File

@ -43,79 +43,6 @@
static char* dvd_device_current;
int dvd_angle=1;
int dvd_speed=0; /* 0 => don't touch speed */
static 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
}
#define LIBDVDREAD_VERSION(maj,min,micro) ((maj)*10000 + (min)*100 + (micro))
/*

74
stream/stream_dvd_common.c
View File

@ -6,6 +6,80 @@
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

2
stream/stream_dvd_common.h
View File

@ -9,6 +9,8 @@ extern char *dvd_device;
extern const char * const dvd_audio_stream_channels[6];
extern const char * const dvd_audio_stream_types[8];
extern int dvd_speed;
void dvd_set_speed(char *device, unsigned speed);
int mp_dvdtimetomsec(dvd_time_t *dt);
#endif /* MPLAYER_STREAM_DVD_COMMON_H */

3
stream/stream_dvdnav.c
View File

@ -87,6 +87,8 @@ static dvdnav_priv_t * new_dvdnav_stream(char * filename) {
return NULL;
}
dvd_set_speed(priv->filename, dvd_speed);
if(dvdnav_open(&(priv->dvdnav),priv->filename)!=DVDNAV_STATUS_OK)
{
free(priv->filename);
@ -291,6 +293,7 @@ static void stream_dvdnav_close(stream_t *s) {
dvdnav_priv_t *priv = s->priv;
dvdnav_close(priv->dvdnav);
priv->dvdnav = NULL;
dvd_set_speed(priv->filename, -1);
free(priv);
}