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ffmpeg: enable echoing with command and debug modes

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Allow seeing text when pressing 'c' or 'd'.
This commit is contained in:
Clément Bœsch 2015-11-19 22:54:45 +01:00 committed by Clément Bœsch
parent 60532348d2
commit 7234e04e35
1 changed files with 18 additions and 0 deletions
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18
ffmpeg.c
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@ -3395,6 +3395,18 @@ static OutputStream *choose_output(void)
return ost_min;
}
static void set_tty_echo(int on)
{
#if HAVE_TERMIOS_H
struct termios tty;
if (tcgetattr(0, &tty) == 0) {
if (on) tty.c_lflag |= ECHO;
else tty.c_lflag &= ~ECHO;
tcsetattr(0, TCSANOW, &tty);
}
#endif
}
static int check_keyboard_interaction(int64_t cur_time)
{
int i, ret, key;
@ -3427,10 +3439,13 @@ static int check_keyboard_interaction(int64_t cur_time)
int k, n = 0;
fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
i = 0;
set_tty_echo(1);
while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
if (k > 0)
buf[i++] = k;
buf[i] = 0;
set_tty_echo(0);
fprintf(stderr, "\n");
if (k > 0 &&
(n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
@ -3469,10 +3484,13 @@ static int check_keyboard_interaction(int64_t cur_time)
char buf[32];
int k = 0;
i = 0;
set_tty_echo(1);
while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
if (k > 0)
buf[i++] = k;
buf[i] = 0;
set_tty_echo(0);
fprintf(stderr, "\n");
if (k <= 0 || sscanf(buf, "%d", &debug)!=1)
fprintf(stderr,"error parsing debug value\n");
}