output: always call cancel() before stop()

src/audio.c

@@ -193,12 +193,6 @@ isCurrentAudioFormat(const struct audio_format *audioFormat)
 	return audio_format_equals(audioFormat, &input_audio_format);
 }
 
-static void audio_output_wait(struct audio_output *ao)
-{
-	while (!audio_output_command_is_finished(ao))
-		notify_wait(&audio_output_client_notify);
-}
-
 static void audio_output_wait_all(void)
 {
 	unsigned i;
@@ -230,12 +224,9 @@ static void syncAudioDeviceStates(void)
 		audioOutput = &audioOutputArray[i];
 		if (audioOutput->enabled)
 			audio_output_open(audioOutput, &input_audio_format);
-		else if (audio_output_is_open(audioOutput)) {
-			audio_output_cancel(audioOutput);
-			audio_output_wait(audioOutput);
+		else if (audio_output_is_open(audioOutput))
 			audio_output_close(audioOutput);
 	}
-	}
 }
 
 bool playAudio(const char *buffer, size_t length)

src/output_thread.c

@@ -63,6 +63,7 @@ static void ao_play(struct audio_output *ao)
 
 	ao->result = ao->plugin->play(ao->data, data, size);
 	if (!ao->result) {
+		ao->plugin->cancel(ao->data);
 		ao->plugin->close(ao->data);
 		ao->open = false;
 	}
@@ -72,6 +73,8 @@ static void ao_play(struct audio_output *ao)
 
 static void ao_pause(struct audio_output *ao)
 {
+	ao->plugin->cancel(ao->data);
+
 	if (ao->plugin->pause != NULL) {
 		/* pause is supported */
 		ao_command_finished(ao);
@@ -107,6 +110,7 @@ static void *audio_output_task(void *arg)
 
 		case AO_COMMAND_CLOSE:
 			assert(ao->open);
+			ao->plugin->cancel(ao->data);
 			ao->plugin->close(ao->data);
 			ao->open = false;
 			ao_command_finished(ao);

src/player_thread.c

@@ -152,7 +152,6 @@ static void processDecodeInput(struct player *player)
 	case PLAYER_COMMAND_PAUSE:
 		player->paused = !player->paused;
 		if (player->paused) {
-			dropBufferedAudio();
 			audio_output_pause_all();
 			pc.state = PLAYER_STATE_PAUSE;
 		} else {
@@ -298,10 +297,9 @@ static void do_play(void)
 					break;
 				}
 
-				if (player.paused) {
-					dropBufferedAudio();
+				if (player.paused)
 					closeAudioDevice();
-				}
+
 				pc.totalTime = dc.totalTime;
 				pc.audio_format = dc.audioFormat;
 				play_audio_format = ob.audioFormat;