--- a/render.h	Thu Apr 18 22:06:47 2019 -0700
+++ b/render.h	Sat Apr 18 11:42:53 2020 -0700
@@ -92,7 +92,6 @@
 #define RENDER_NOT_MAPPED -2
 #define RENDER_NOT_PLUGGED_IN -3
 
-typedef struct audio_source audio_source;
 typedef void (*drop_handler)(const char *filename);
 typedef void (*window_close_handler)(uint8_t which);
 typedef void (*ui_render_fun)(void);
@@ -109,9 +108,7 @@
 void render_set_video_standard(vid_std std);
 void render_toggle_fullscreen();
 void render_update_caption(char *title);
-void render_wait_quit(vdp_context * context);
-uint32_t render_audio_buffer();
-uint32_t render_sample_rate();
+void render_wait_quit(void);
 void process_events();
 int render_width();
 int render_height();
@@ -129,18 +126,11 @@
 uint32_t render_emulated_width();
 uint32_t render_emulated_height();
 uint32_t render_overscan_top();
+uint32_t render_overscan_bot();
 uint32_t render_overscan_left();
 uint32_t render_elapsed_ms(void);
 void render_sleep_ms(uint32_t delay);
 uint8_t render_has_gl(void);
-audio_source *render_audio_source(uint64_t master_clock, uint64_t sample_divider, uint8_t channels);
-void render_audio_source_gaindb(audio_source *src, float gain);
-void render_audio_adjust_clock(audio_source *src, uint64_t master_clock, uint64_t sample_divider);
-void render_put_mono_sample(audio_source *src, int16_t value);
-void render_put_stereo_sample(audio_source *src, int16_t left, int16_t right);
-void render_pause_source(audio_source *src);
-void render_resume_source(audio_source *src);
-void render_free_source(audio_source *src);
 void render_config_updated(void);
 void render_set_gl_context_handlers(ui_render_fun destroy, ui_render_fun create);
 void render_set_ui_render_fun(ui_render_fun);