fixed uninitialized memory issues in audio code

drivers/speex/audio_stream_speex.cpp

@@ -22,7 +22,7 @@ int AudioStreamPlaybackSpeex::mix(int16_t* p_buffer,int p_frames) {
 	//printf("update, loops %i, read ofs %i\n", (int)loops, read_ofs);
 	//printf("playing %i, paused %i\n", (int)playing, (int)paused);
 
-	if (!active || !playing || paused || !data.size())
+	if (!active || !playing || !data.size())
 		return 0;
 
 	/*
@@ -490,6 +490,8 @@ AudioStreamPlaybackSpeex::AudioStreamPlaybackSpeex() {
 	stream_channels=1;
 	stream_srate=1;
 	stream_minbuff_size=1;
+	playing=false;
+
 
 }
 

drivers/speex/audio_stream_speex.h

@@ -29,7 +29,6 @@ class AudioStreamPlaybackSpeex : public AudioStreamPlayback {
 	bool loops;
 	int page_size;
 	bool playing;
-	bool paused;
 	bool packets_available;
 
 	void unload();

servers/audio/audio_mixer_sw.cpp

@@ -765,6 +765,10 @@ AudioMixer::ChannelID AudioMixerSW::channel_alloc(RID p_sample) {
 	c.mix.increment=1;
 	//zero everything when this errors
 	for(int i=0;i<4;i++) {
+		c.mix.vol[i]=0;
+		c.mix.reverb_vol[i]=0;
+		c.mix.chorus_vol[i]=0;
+
 		c.mix.old_vol[i]=0;
 		c.mix.old_reverb_vol[i]=0;
 		c.mix.old_chorus_vol[i]=0;