Refactor and move more audio specific code to audio.c

audio.c

@@ -8,6 +8,9 @@ static SDL_AudioSpec playback_spec;
 static SDL_AudioSpec received_recording_spec;
 static SDL_AudioSpec received_playback_spec;
 
+void audio_recording_callback(void* userdata, uint8_t* stream, int len);
+void audio_playback_callback(void* userdata, uint8_t* stream, int len);
+
 int audio_init(audio_state* state)
 {
 	state->recording_device_id = 0;
@@ -81,6 +84,17 @@ int audio_playback_init(audio_state* state)
 	return 1;
 }
 
+void audio_playback_pause(audio_state* state, int is_recording, int is_pause)
+{
+	int device_id = is_recording ? state->recording_device_id : state->playback_device_id;
+	SDL_PauseAudioDevice(device_id, is_pause);
+}
+
+void audio_buffer_reset(audio_state* state)
+{
+	memset(state->recording_buffer, 0, state->recording_buffer_size);
+}
+
 void audio_recording_callback(void* userdata, uint8_t* stream, int len)
 {
 	audio_state* state = userdata;