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Modified CD Audio thread initialization and termination a bit, fixes the emulator hang when disabling the last enabled CD-ROM drive;

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The CD Audio thread is now closed on emulator close if it was opened.
This commit is contained in:
OBattler
2017-12-05 20:19:19 +01:00
parent dee68cdeec
commit 4ccef55bc0
2 changed files with 33 additions and 5 deletions
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4
src/pc.c
View File

@@ -8,7 +8,7 @@
*
* Main emulator module where most things are controlled.
*
* Version: @(#)pc.c 1.0.47 2017/12/03
* Version: @(#)pc.c 1.0.48 2017/12/05
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
@@ -922,6 +922,8 @@ pc_close(thread_t *ptr)
midi_close();
network_close();
sound_cd_thread_end();
}

34
src/sound/sound.c
View File

@@ -8,7 +8,7 @@
*
* Sound emulation core.
*
* Version: @(#)sound.c 1.0.8 2017/11/04
* Version: @(#)sound.c 1.0.9 2017/12/05
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
@@ -66,8 +66,10 @@ static float cd_out_buffer[CD_BUFLEN * 2];
static int16_t cd_out_buffer_int16[CD_BUFLEN * 2];
static thread_t *sound_cd_thread_h;
static event_t *sound_cd_event;
static event_t *sound_cd_start_event;
static unsigned int cd_vol_l, cd_vol_r;
static int cd_buf_update = CD_BUFLEN / SOUNDBUFLEN;
static volatile int cdaudioon = 0;
static SOUND_CARD sound_cards[] =
@@ -161,10 +163,12 @@ static void sound_cd_thread(void *param)
int c, has_audio;
while (1)
thread_set_event(sound_cd_start_event);
while (cdaudioon)
{
thread_wait_event(sound_cd_event, -1);
if (!soundon)
if (!soundon || !cdaudioon)
{
return;
}
@@ -322,9 +326,18 @@ void sound_init(void)
if (available_cdrom_drives)
{
sound_cd_start_event = thread_create_event();
sound_cd_event = thread_create_event();
sound_cd_thread_h = thread_create(sound_cd_thread, NULL);
cdaudioon = 1;
pclog("Waiting for CD start event...\n");
thread_wait_event(sound_cd_start_event, -1);
pclog("Done!\n");
}
else
cdaudioon = 0;
cd_thread_enable = available_cdrom_drives ? 1 : 0;
}
@@ -422,8 +435,11 @@ void sound_reset(void)
void sound_cd_thread_end(void)
{
if (sound_cd_thread_h) {
if (cdaudioon) {
cdaudioon = 0;
pclog("Waiting for CD Audio thread to terminate...\n");
thread_set_event(sound_cd_event);
thread_wait(sound_cd_thread_h, -1);
pclog("CD Audio thread terminated...\n");
@@ -433,6 +449,11 @@ void sound_cd_thread_end(void)
}
sound_cd_thread_h = NULL;
if (sound_cd_start_event) {
thread_destroy_event(sound_cd_start_event);
sound_cd_event = NULL;
}
}
}
@@ -451,8 +472,13 @@ void sound_cd_thread_reset(void)
if (available_cdrom_drives && !cd_thread_enable)
{
sound_cd_start_event = thread_create_event();
sound_cd_event = thread_create_event();
sound_cd_thread_h = thread_create(sound_cd_thread, NULL);
cdaudioon = 1;
thread_wait_event(sound_cd_start_event, -1);
}
else if (!available_cdrom_drives && cd_thread_enable)
{