RepoMirrors/mpv
1
0
Fork 0
mirror of https://github.com/mpv-player/mpv synced 2025-01-04 05:52:09 +00:00
Code Issues Releases Wiki Activity

Try filling audio buffers more if they're very large, add some comments.

Browse Source 
Larger buffers could make sense with lots of high-bitrate audio
channels.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@20906 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
uau 2006-11-14 04:17:41 +00:00
parent b65c295b31
commit e978f405a1
1 changed files with 19 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
mplayer.c
View File

@ -2923,23 +2923,30 @@ int fill_audio_out_buffers(void)
int playsize;
int playflags=0;
int audio_eof=0;
int bytes_to_write;
current_module="play_audio";
while (1) {
// 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 = ((sh_video?sh_video->timer:0)+sh_audio->delay)*90000.0;
playsize = audio_out->get_space();
bytes_to_write = audio_out->get_space();
if (sh_video || bytes_to_write >= ao_data.outburst)
break;
// handle audio-only case:
if (playsize < ao_data.outburst && !sh_video) {
// this is where mplayer sleeps during audio-only playback
// to avoid 100% CPU use
usec_sleep(10000); // Wait a tick before retry
continue;
}
// this is where mplayer sleeps during audio-only playback
// to avoid 100% CPU use
usec_sleep(10000); // Wait a tick before retry
}
while (bytes_to_write) {
playsize = bytes_to_write;
if (playsize > MAX_OUTBURST)
playsize = MAX_OUTBURST;
bytes_to_write -= playsize;
// Fill buffer if needed:
current_module="decode_audio";
@ -2972,6 +2979,11 @@ int fill_audio_out_buffers(void)
// play audio:
current_module="play_audio";
// Is this pts value actually useful for the aos that access it?
// They're obviously badly broken in the way they handle av sync;
// would not having access to this make them more broken?
ao_data.pts = ((sh_video?sh_video->timer:0)+sh_audio->delay)*90000.0;
playsize = audio_out->play(sh_audio->a_out_buffer, playsize, playflags);
if (playsize > 0) {
@ -2986,7 +2998,6 @@ int fill_audio_out_buffers(void)
mp_msg(MSGT_CPLAYER, MSGL_WARN, "Audio output truncated at end.\n");
sh_audio->a_out_buffer_len = 0;
}
break;
}
return 1;
}