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core: wake up a bit less often for audio-only files 

Sleep 100 ms between filling audio output buffers. Also do the
sleeping in input read functions to enable immediate wakeups on new
input.
This commit is contained in:
Uoti Urpala 2011-04-07 23:05:16 +03:00
parent 52f11f73b1
commit cbeed30ae8
1 changed files with 11 additions and 19 deletions
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20
mplayer.c
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@ -2387,23 +2387,11 @@ static int fill_audio_out_buffers(struct MPContext *mpctx)
current_module="play_audio";
while (1) {
int sleep_time;
// all the current uses of ao_data.pts seem to be in aos that handle
// sync completely wrong; there should be no need to use ao_data.pts
// in get_space()
ao_data.pts = ((mpctx->sh_video?mpctx->sh_video->timer:0)+mpctx->delay)*90000.0;
playsize = mpctx->audio_out->get_space();
if (mpctx->sh_video || playsize >= ao_data.outburst)
break;
// handle audio-only case:
// this is where mplayer sleeps during audio-only playback
// to avoid 100% CPU use
sleep_time = (ao_data.outburst - playsize) * 1000 / ao_data.bps;
if (sleep_time < 10) sleep_time = 10; // limit to 100 wakeups per second
usec_sleep(sleep_time * 1000);
}
// Fill buffer if needed:
current_module="decode_audio";
@ -3366,10 +3354,14 @@ static void run_playloop(struct MPContext *mpctx)
print_status(mpctx, a_pos, false);
if (end_at.type == END_AT_TIME && end_at.pos < a_pos)
mpctx->stop_play = PT_NEXT_ENTRY;
update_subtitles(mpctx, a_pos, mpctx->video_offset, false);
update_osd_msg(mpctx);
if (end_at.type == END_AT_TIME && end_at.pos < a_pos) {
mpctx->stop_play = AT_END_OF_FILE;
} else if (!mpctx->stop_play) {
int sleep_time = full_audio_buffers || !mpctx->sh_audio ? 100 : 20;
mp_input_get_cmd(mpctx->input, sleep_time, true);
}
} else {
/*========================== PLAY VIDEO ============================*/