Option to disable audio

May decrease the frame time by not accessing disk (depends on where SVR is located).

Author: crashfort

bin/data/profiles/default.ini

@@ -92,3 +92,10 @@ velo_font_weight=bold
 # 0 in both axes mean the center of the screen. A positive value will increase to the right and down.
 # A negative value will increase to the left and up.
 velo_align=0 80
+
+#################################################################
+# Audio
+#################################################################
+
+# Enable if you want audio.
+audio_enabled=1

src/game_proc.cpp

@@ -1992,9 +1992,12 @@ bool proc_start(ID3D11Device* d3d11_device, ID3D11DeviceContext* d3d11_context,
         }
     }
 
-    if (!create_audio())
+    if (movie_profile.audio_enabled)
     {
-        goto rfail;
+        if (!create_audio())
+        {
+            goto rfail;
+        }
     }
 
     // We have a controlled environment until the ffmpeg thread is started.
@@ -2193,6 +2196,11 @@ bool proc_is_velo_enabled()
     return movie_profile.veloc_enabled;
 }
 
+bool proc_is_audio_enabled()
+{
+    return movie_profile.audio_enabled;
+}
+
 void write_wav_samples()
 {
     s32 buf_size = sizeof(SvrWaveSample) * wav_num_samples;
@@ -2253,7 +2261,10 @@ void proc_end()
 {
     end_ffmpeg_proc();
 
-    end_audio();
+    if (movie_profile.audio_enabled)
+    {
+        end_audio();
+    }
 
     free_all_dynamic_sw_stuff();
     free_all_dynamic_proc_stuff();

src/game_proc.h

@@ -14,6 +14,7 @@ bool proc_start(ID3D11Device* d3d11_device, ID3D11DeviceContext* d3d11_context,
 void proc_frame(ID3D11DeviceContext* d3d11_context, ID3D11ShaderResourceView* game_content_srv, ID3D11RenderTargetView* game_content_rtv);
 void proc_give_velocity(float* xyz);
 bool proc_is_velo_enabled();
+bool proc_is_audio_enabled();
 void proc_give_audio(SvrWaveSample* samples, s32 num_samples);
 void proc_end();
 s32 proc_get_game_rate();

src/game_proc_profile.cpp

@@ -252,6 +252,7 @@ bool read_profile(const char* full_profile_path, MovieProfile* p)
         else if OPT_STR_MAP("velo_font_style", p->veloc_font_style, FONT_STYLE_TABLE, DWRITE_FONT_STYLE_NORMAL)
         else if OPT_STR_MAP("velo_font_weight", p->veloc_font_weight, FONT_WEIGHT_TABLE, DWRITE_FONT_WEIGHT_BOLD)
         else if OPT_VEC2("velo_align", p->veloc_align)
+        else if OPT_S32("audio_enabled", p->audio_enabled, 0, 1)
     }
 
     svr_free_ini_line(&ini_line);

src/game_proc_profile.h

@@ -28,6 +28,9 @@ struct MovieProfile
     enum DWRITE_FONT_STYLE veloc_font_style;
     enum DWRITE_FONT_WEIGHT veloc_font_weight;
     s32 veloc_align[2];
+
+    // Audio:
+    s32 audio_enabled;
 };
 
 bool read_profile(const char* full_profile_path, MovieProfile* p);

src/game_standalone.cpp

@@ -557,6 +557,11 @@ void __cdecl snd_paint_chans_override2(s64 end_time, bool is_underwater)
 
 void prepare_and_send_sound(GmSndSample* paint_buf, s32 num_samples)
 {
+    if (!svr_is_audio_enabled())
+    {
+        return;
+    }
+
     SvrWaveSample* buf = (SvrWaveSample*)_alloca(sizeof(SvrWaveSample) * num_samples);
 
     for (s32 i = 0; i < num_samples; i++)

src/svr_api.cpp

@@ -287,6 +287,11 @@ bool svr_is_velo_enabled()
     return proc_is_velo_enabled();
 }
 
+bool svr_is_audio_enabled()
+{
+    return proc_is_audio_enabled();
+}
+
 void svr_give_velocity(float* xyz)
 {
     proc_give_velocity(xyz);

src/svr_api.h

@@ -124,6 +124,10 @@ SVR_API void svr_frame();
 // Must only be called after svr_start.
 SVR_API bool svr_is_velo_enabled();
 
+// Returns if audio is enabled in the active profile.
+// Must only be called after svr_start.
+SVR_API bool svr_is_audio_enabled();
+
 // For the velocity extension, call this to give the player xyz velocity so it can be drawn to the encoded video.
 // Must be called before svr_frame.
 SVR_API void svr_give_velocity(float* xyz);