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win32: core: wake up more often to poll for input

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MSWindows does not have properly working support for detecting events
on file descriptors. As a result the current mplayer2 code does not
support waking up when new input events occur. Make the central
playloop wake up more often to poll for events; otherwise response
would be a lot laggier than on better operating systems during pause
or other cases where the process would not otherwise wake up.
This commit is contained in:
Uoti Urpala 2012-04-23 22:43:13 +03:00
parent ab6c760b3b
commit 9ba3e1ddb2
1 changed files with 13 additions and 2 deletions
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15
mplayer.c
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@ -31,6 +31,16 @@
#if defined(__MINGW32__) || defined(__CYGWIN__)
#include <windows.h>
// No proper file descriptor event handling; keep waking up to poll input
#define WAKEUP_PERIOD 0.02
#else
/* Even if we can immediately wake up in response to most input events,
* there are some timers which are not registered to the event loop
* and need to be checked periodically (like automatic mouse cursor hiding).
* OSD content updates behave similarly. Also some uncommon input devices
* may not have proper FD event support.
*/
#define WAKEUP_PERIOD 0.5
#endif
#include <string.h>
#include <unistd.h>
@ -3421,7 +3431,7 @@ static void run_playloop(struct MPContext *mpctx)
bool audio_left = false, video_left = false;
double endpts = end_at.type == END_AT_TIME ? end_at.pos : MP_NOPTS_VALUE;
bool end_is_chapter = false;
double sleeptime = 0.5;
double sleeptime = WAKEUP_PERIOD;
bool was_restart = mpctx->restart_playback;
if (mpctx->timeline) {
@ -4255,7 +4265,8 @@ play_next_file:
uninit_player(mpctx, INITIALIZED_AO | INITIALIZED_VO);
play_tree_t *entry = NULL;
mp_cmd_t *cmd;
while (!(cmd = mp_input_get_cmd(mpctx->input, 500, false)));
while (!(cmd = mp_input_get_cmd(mpctx->input, WAKEUP_PERIOD * 1000,
false)));
switch (cmd->id) {
case MP_CMD_LOADFILE:
// prepare a tree entry with the new filename