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Revert "Do no modify terminal parameters using termios.h"

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This reverts commit cb48e245e6.

Reason being we like pressing "q" to quit ffmpeg.

Conflicts:

	ffmpeg.c

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-03-30 20:58:13 +02:00
parent 93dfda8896
commit 8b8bf89e52
2 changed files with 56 additions and 6 deletions
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2
configure vendored
View File

@ -1118,6 +1118,7 @@ HAVE_LIST="
sys_soundcard_h
sys_videoio_h
ten_operands
termios_h
threads
truncf
vfp_args
@ -2803,6 +2804,7 @@ check_header poll.h
check_header sys/mman.h
check_header sys/resource.h
check_header sys/select.h
check_header termios.h
check_header vdpau/vdpau.h
check_header vdpau/vdpau_x11.h
check_header X11/extensions/XvMClib.h

60
ffmpeg.c
View File

@ -69,7 +69,12 @@
#include <sys/select.h>
#endif
#if HAVE_KBHIT
#if HAVE_TERMIOS_H
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include <termios.h>
#elif HAVE_KBHIT
#include <conio.h>
#endif
#include <time.h>
@ -338,6 +343,12 @@ typedef struct AVInputFile {
int nb_streams; /* nb streams we are aware of */
} AVInputFile;
#if HAVE_TERMIOS_H
/* init terminal so that we can grab keys */
static struct termios oldtty;
#endif
#if CONFIG_AVFILTER
static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
@ -425,6 +436,9 @@ static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
static void term_exit(void)
{
av_log(NULL, AV_LOG_QUIET, "");
#if HAVE_TERMIOS_H
tcsetattr (0, TCSANOW, &oldtty);
#endif
}
static volatile int received_sigterm = 0;
@ -439,6 +453,26 @@ sigterm_handler(int sig)
static void term_init(void)
{
#if HAVE_TERMIOS_H
struct termios tty;
tcgetattr (0, &tty);
oldtty = tty;
atexit(term_exit);
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
|INLCR|IGNCR|ICRNL|IXON);
tty.c_oflag |= OPOST;
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
tty.c_cflag &= ~(CSIZE|PARENB);
tty.c_cflag |= CS8;
tty.c_cc[VMIN] = 1;
tty.c_cc[VTIME] = 0;
tcsetattr (0, TCSANOW, &tty);
signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
#endif
signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
#ifdef SIGXCPU
@ -449,7 +483,25 @@ static void term_init(void)
/* read a key without blocking */
static int read_key(void)
{
#if HAVE_KBHIT
#if HAVE_TERMIOS_H
int n = 1;
unsigned char ch;
struct timeval tv;
fd_set rfds;
FD_ZERO(&rfds);
FD_SET(0, &rfds);
tv.tv_sec = 0;
tv.tv_usec = 0;
n = select(1, &rfds, NULL, NULL, &tv);
if (n > 0) {
n = read(0, &ch, 1);
if (n == 1)
return ch;
return n;
}
#elif HAVE_KBHIT
if(kbhit())
return(getch());
#endif
@ -2467,11 +2519,7 @@ static int transcode(AVFormatContext **output_files,
if (!using_stdin) {
if(verbose >= 0)
#if HAVE_KBHIT
fprintf(stderr, "Press [q] to stop encoding\n");
#else
fprintf(stderr, "Press ctrl-c to stop encoding\n");
#endif
url_set_interrupt_cb(decode_interrupt_cb);
}
term_init();