Apple-2-Tools/apple2ix
1
0
Fork 0
mirror of https://github.com/mauiaaron/apple2.git synced 2025-01-11 14:30:08 +00:00
Code Issues Projects Releases Wiki Activity

Avoid speaker_going_silent codepath on Android

Browse Source
This commit is contained in:
Aaron Culliney 2015-07-04 18:11:58 -07:00
parent 43f6eff62e
commit 2910b6180e
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/audio/speaker.c
View File

@ -324,6 +324,7 @@ void speaker_init(void) {
bufferSizeIdealMin = bufferTotalSize/4;
bufferSizeIdealMax = bufferTotalSize/2;
sampleRateHz = audio_backend->systemSettings.sampleRateHz;
LOG("Speaker initializing with %lu buffer size (bytes), sample rate of %lu", (unsigned long)bufferTotalSize, (unsigned long)sampleRateHz);
remainder_buffer_size_max = ((CLK_6502_INT*(unsigned long)CPU_SCALE_FASTEST)/sampleRateHz)+1;
@ -386,11 +387,17 @@ void speaker_flush(void) {
// After 0.2sec of //e cycles time set inactive flag (allows auto-switch to full speed for fast disk access)
speaker_recently_active = false;
} else if ((speaker_data != 0) && (cycles_count_total - cycles_quiet_time > cycles_diff)) {
#if defined(ANDROID)
// OpenSLES seems to be able to pause output without the nasty pops that I hear with OpenAL on Linux
// desktop. So this speaker_going_silent hack is not needed. There is also a noticeable glitch in
// OpenSLES when this codepath is enabled.
#else
// After 0.1sec of //e cycles time start reducing samples to zero (if they aren't there already). This
// process attempts to mask the extraneous clicks when freezing/restarting emulation (GUI access) and
// glitching from the audio system backend
speaker_going_silent = true;
SPEAKER_LOG("speaker going silent");
#endif
}
}
}