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-rw-r--r--src/audio.c138
1 files changed, 75 insertions, 63 deletions
diff --git a/src/audio.c b/src/audio.c
index 04c38716b..eedbfb1ff 100644
--- a/src/audio.c
+++ b/src/audio.c
@@ -46,10 +46,15 @@ static AudioFormat *audio_configFormat = NULL;
static AudioOutput **audioOutputArray = NULL;
static mpd_uint8 audioOutputArraySize = 0;
+
+#define DEVICE_OFF 0x00
+#define DEVICE_ENABLE 0x01 /* currently off, but to be turned on */
+#define DEVICE_ON 0x03
+#define DEVICE_DISABLE 0x04 /* currently on, but to be turned off */
+
/* the audioEnabledArray should be stuck into shared memory, and then disable
and enable in playAudio() routine */
-static mpd_sint8 *pdAudioDevicesEnabled = NULL;
-static mpd_sint8 *myAudioDevicesEnabled = NULL;
+static mpd_uint8 *audioDeviceStates = NULL;
static mpd_uint8 audioOpened = 0;
@@ -114,12 +119,9 @@ void initAudioDriver(void)
loadAudioDrivers();
audioOutputArraySize = audio_device_count();
- pdAudioDevicesEnabled = (getPlayerData())->audioDeviceEnabled;
+ audioDeviceStates = (getPlayerData())->audioDeviceStates;
audioOutputArray = malloc(sizeof(AudioOutput *) * audioOutputArraySize);
- myAudioDevicesEnabled = malloc(sizeof(mpd_sint8)*audioOutputArraySize);
- for (i = 0; i < audioOutputArraySize; i++)
- myAudioDevicesEnabled[i] = pdAudioDevicesEnabled[i] = 1;
i = 0;
param = getNextConfigParam(CONF_AUDIO_OUTPUT, param);
@@ -143,6 +145,7 @@ void initAudioDriver(void)
exit(EXIT_FAILURE);
}
}
+ audioDeviceStates[i] = DEVICE_ENABLE;
audioOutputArray[i++] = output;
} while ((param = getNextConfigParam(CONF_AUDIO_OUTPUT, param)));
}
@@ -269,23 +272,6 @@ int isCurrentAudioFormat(AudioFormat * audioFormat)
return 1;
}
-static void syncAudioDevicesEnabledArrays(void)
-{
- int i;
-
- memcpy(myAudioDevicesEnabled, pdAudioDevicesEnabled,
- audioOutputArraySize);
-
- for (i = 0; i < audioOutputArraySize; i++) {
- if (myAudioDevicesEnabled[i]) {
- openAudioOutput(audioOutputArray[i], &audio_format);
- } else {
- dropBufferedAudioOutput(audioOutputArray[i]);
- closeAudioOutput(audioOutputArray[i]);
- }
- }
-}
-
static int flushAudioBuffer(void)
{
int ret = -1;
@@ -294,22 +280,28 @@ static int flushAudioBuffer(void)
if (audioBufferPos == 0)
return 0;
- if (0 != memcmp(pdAudioDevicesEnabled, myAudioDevicesEnabled,
- audioOutputArraySize)) {
- syncAudioDevicesEnabledArrays();
- }
-
- for (i = 0; i < audioOutputArraySize; i++) {
- if (!myAudioDevicesEnabled[i])
- continue;
- err = playAudioOutput(audioOutputArray[i], audioBuffer,
- audioBufferPos);
- if (!err)
- ret = 0;
- else if (err < 0)
- /* device should already be closed if the play func
- * returned an error */
- myAudioDevicesEnabled[i] = 0;
+ for (i = audioOutputArraySize; --i >= 0; ) {
+ switch (audioDeviceStates[i]) {
+ case DEVICE_ENABLE:
+ openAudioOutput(audioOutputArray[i], &audio_format);
+ audioDeviceStates[i] = DEVICE_ON;
+ /* fall-through */
+ case DEVICE_ON:
+ err = playAudioOutput(audioOutputArray[i], audioBuffer,
+ audioBufferPos);
+ if (!err)
+ ret = 0;
+ else if (err < 0)
+ /* device should already be closed if the play
+ * func returned an error */
+ audioDeviceStates[i] = DEVICE_OFF;
+ break;
+ case DEVICE_DISABLE:
+ dropBufferedAudioOutput(audioOutputArray[i]);
+ closeAudioOutput(audioOutputArray[i]);
+ audioDeviceStates[i] = DEVICE_OFF;
+ break;
+ }
}
audioBufferPos = 0;
@@ -335,18 +327,28 @@ int openAudioDevice(AudioFormat * audioFormat)
audioBuffer = realloc(audioBuffer, audioBufferSize);
}
- syncAudioDevicesEnabledArrays();
-
- for (i = 0; i < audioOutputArraySize; i++) {
- if (audioOutputArray[i]->open)
+ for (i = audioOutputArraySize; --i >= 0; ) {
+ switch (audioDeviceStates[i]) {
+ case DEVICE_ENABLE:
+ openAudioOutput(audioOutputArray[i], &audio_format);
+ audioDeviceStates[i] = DEVICE_ON;
+ /* fall-through */
+ case DEVICE_ON:
ret = 0;
+ break;
+ case DEVICE_DISABLE:
+ dropBufferedAudioOutput(audioOutputArray[i]);
+ closeAudioOutput(audioOutputArray[i]);
+ audioDeviceStates[i] = DEVICE_OFF;
+ break;
+ }
}
if (ret == 0)
audioOpened = 1;
else {
/* close all devices if there was an error */
- for (i = 0; i < audioOutputArraySize; i++) {
+ for (i = audioOutputArraySize; --i >= 0; ) {
closeAudioOutput(audioOutputArray[i]);
}
@@ -387,17 +389,24 @@ void dropBufferedAudio(void)
{
int i;
- if (0 != memcmp(pdAudioDevicesEnabled, myAudioDevicesEnabled,
- audioOutputArraySize)) {
- syncAudioDevicesEnabledArrays();
- }
-
audioBufferPos = 0;
-
- for (i = 0; i < audioOutputArraySize; i++) {
- if (!myAudioDevicesEnabled[i])
- continue;
- dropBufferedAudioOutput(audioOutputArray[i]);
+ for (i = audioOutputArraySize; --i >= 0; ) {
+ switch (audioDeviceStates[i]) {
+ case DEVICE_ON:
+ dropBufferedAudioOutput(audioOutputArray[i]);
+ break;
+ case DEVICE_ENABLE:
+ openAudioOutput(audioOutputArray[i], &audio_format);
+ audioDeviceStates[i] = DEVICE_ON;
+ /* there's no point in dropping audio for something
+ * we just enabled */
+ break;
+ case DEVICE_DISABLE:
+ dropBufferedAudioOutput(audioOutputArray[i]);
+ closeAudioOutput(audioOutputArray[i]);
+ audioDeviceStates[i] = DEVICE_OFF;
+ break;
+ }
}
}
@@ -411,7 +420,7 @@ void closeAudioDevice(void)
audioBuffer = NULL;
audioBufferSize = 0;
- for (i = 0; i < audioOutputArraySize; i++) {
+ for (i = audioOutputArraySize; --i >= 0; ) {
closeAudioOutput(audioOutputArray[i]);
}
@@ -422,7 +431,7 @@ void sendMetadataToAudioDevice(MpdTag * tag)
{
int i;
- for (i = 0; i < audioOutputArraySize; i++) {
+ for (i = audioOutputArraySize; --i >= 0; ) {
sendMetadataToAudioOutput(audioOutputArray[i], tag);
}
}
@@ -435,7 +444,8 @@ int enableAudioDevice(int fd, int device)
return -1;
}
- pdAudioDevicesEnabled[device] = 1;
+ if (!(audioDeviceStates[device] & 0x01))
+ audioDeviceStates[device] = DEVICE_ENABLE;
return 0;
}
@@ -447,8 +457,8 @@ int disableAudioDevice(int fd, int device)
"doesn't exist\n", device);
return -1;
}
-
- pdAudioDevicesEnabled[device] = 0;
+ if (audioDeviceStates[device] & 0x01)
+ audioDeviceStates[device] = DEVICE_DISABLE;
return 0;
}
@@ -462,7 +472,7 @@ void printAudioDevices(int fd)
"outputid: %i\noutputname: %s\noutputenabled: %i\n",
i,
audioOutputArray[i]->name,
- (int)pdAudioDevicesEnabled[i]);
+ audioDeviceStates[i] & 0x01);
}
}
@@ -473,7 +483,7 @@ void saveAudioDevicesState(FILE *fp)
assert(audioOutputArraySize != 0);
for (i = 0; i < audioOutputArraySize; i++) {
fprintf(fp, AUDIO_DEVICE_STATE "%d:%s\n",
- (int)pdAudioDevicesEnabled[i],
+ audioDeviceStates[i] & 0x01,
audioOutputArray[i]->name);
}
}
@@ -499,9 +509,11 @@ void readAudioDevicesState(FILE *fp)
if (!name || !(++name))
goto errline;
- for (i = audioOutputArraySize - 1; i >= 0; --i) {
+ for (i = audioOutputArraySize; --i >= 0; ) {
if (!strcmp(name, audioOutputArray[i]->name)) {
- pdAudioDevicesEnabled[i] = atoi(c);
+ /* devices default to on */
+ if (!atoi(c))
+ audioDeviceStates[i] = DEVICE_DISABLE;
break;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 20:46:12 +0000