(DSP Filters) Add code for HAVE_BUILTIN_FILTERS

driver.c

@@ -967,18 +967,85 @@ void uninit_drivers(void)
    driver.input_data_own  = false;
 }
 
+#ifdef HAVE_FILTERS_BUILTIN
+extern const struct dspfilter_implementation *echo_dsp_plugin_init(dspfilter_simd_mask_t simd);
+extern const struct dspfilter_implementation *eq_dsp_plugin_init(dspfilter_simd_mask_t simd);
+extern const struct dspfilter_implementation *iir_dsp_plugin_init(dspfilter_simd_mask_t simd);
+extern const struct dspfilter_implementation *phaser_dsp_plugin_init(dspfilter_simd_mask_t simd);
+extern const struct dspfilter_implementation *reverb_dsp_plugin_init(dspfilter_simd_mask_t simd);
+extern const struct dspfilter_implementation *volume_dsp_plugin_init(dspfilter_simd_mask_t simd);
+extern const struct dspfilter_implementation *wah_dsp_plugin_init(dspfilter_simd_mask_t simd);
+
+static const struct dspfilter_implementation *(*dspfilter_drivers[]) (dspfilter_simd_mask_t) =
+{
+   NULL,
+   &echo_dsp_plugin_init,
+   &eq_dsp_plugin_init,
+   &iir_dsp_plugin_init,
+   &phaser_dsp_plugin_init,
+   &reverb_dsp_plugin_init,
+   &volume_dsp_plugin_init,
+   &wah_dsp_plugin_init,
+};
+
+unsigned dspfilter_get_last_idx(void)
+{
+   return sizeof(dspfilter_drivers) / sizeof(dspfilter_drivers[0]);
+}
+
+static dspfilter_get_implementation_t dspfilter_get_implementation_from_idx(unsigned i)
+{
+   if (i < dspfilter_get_last_idx())
+      return dspfilter_drivers[i];
+   return NULL;
+}
+
+#endif
+
+
+const char *rarch_dspfilter_get_name(void *data)
+{
+   const struct dspfilter_implementation *impl;
+   (void)data;
+#ifdef HAVE_FILTERS_BUILTIN
+   unsigned cpu_features;
+   dspfilter_get_implementation_t cb = (dspfilter_get_implementation_t)dspfilter_get_implementation_from_idx(g_settings.audio.filter_idx);
+   if (cb)
+   {
+      cpu_features = rarch_get_cpu_features();
+      impl = (const struct dspfilter_implementation *)cb(cpu_features);
+      if (impl)
+         return impl->ident;
+   }
+
+   return NULL;
+#else
+   impl = (const struct dspfilter_implementation*)data;
+   if (!impl || !impl->ident)
+      return NULL;
+
+   return impl->ident;
+#endif
+}
+
 void rarch_init_dsp_filter(void)
 {
    unsigned cpu_features;
    dspfilter_get_implementation_t cb;
    rarch_dsp_info_t info = {0};
 
+#ifdef HAVE_FILTERS_BUILTIN
+   if (!g_settings.audio.filter_idx)
+#else
    if (!(*g_settings.audio.dsp_plugin))
+#endif
       return;
 
    cb = NULL;
 
-#ifdef HAVE_DYLIB
+#if defined(HAVE_FILTERS_BUILTIN)
+   cb = (dspfilter_get_implementation_t)dspfilter_get_implementation_from_idx(g_settings.video.filter_idx);
+#elif defined(HAVE_DYLIB)
    g_extern.audio_data.dsp_lib = dylib_load(g_settings.audio.dsp_plugin);
    if (!g_extern.audio_data.dsp_lib)
    {

driver.h

@@ -586,8 +586,13 @@ void rarch_deinit_filter(void);
 void rarch_init_filter(enum retro_pixel_format);
 #endif
 
+#ifdef HAVE_FILTERS_BUILTIN
+unsigned dspfilter_get_last_idx(void);
+#endif
+
 void rarch_init_dsp_filter(void);
 void rarch_deinit_dsp_filter(void);
+const char *rarch_dspfilter_get_name(void *data);
 
 // Used by RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE
 #ifdef HAVE_CAMERA

frontend/menu/backend/menu_common_backend.c

@@ -2523,13 +2523,30 @@ static int menu_common_setting_set(void *data, unsigned setting, unsigned action
       case RGUI_SETTINGS_AUDIO_DSP_FILTER:
          switch (action)
          {
+#ifdef HAVE_FILTERS_BUILTIN
+            case RGUI_ACTION_LEFT:
+               if (g_settings.audio.filter_idx > 0)
+                  g_settings.audio.filter_idx--;
+               break;
+            case RGUI_ACTION_RIGHT:
+               if ((g_settings.audio.filter_idx + 1) != dspfilter_get_last_idx())
+                  g_settings.audio.filter_idx++;
+               break;
+#endif
             case RGUI_ACTION_OK:
+#if defined(HAVE_FILTERS_BUILTIN)
+               rarch_deinit_dsp_filter();
+               rarch_init_dsp_filter();
+#elif defined(HAVE_DYLIB)
                file_list_push(rgui->menu_stack, g_settings.audio.filter_dir, setting, rgui->selection_ptr);
                menu_clear_navigation(rgui);
+#endif
                rgui->need_refresh = true;
                break;
             case RGUI_ACTION_START:
-#ifdef HAVE_DYLIB
+#if defined(HAVE_FILTERS_BUILTIN)
+               g_settings.audio.filter_idx = 0;
+#elif defined(HAVE_DYLIB)
                strlcpy(g_settings.audio.dsp_plugin, "", sizeof(g_settings.audio.dsp_plugin));
 #endif
                rarch_deinit_dsp_filter();
@@ -4027,7 +4044,10 @@ static void menu_common_setting_set_label(char *type_str, size_t type_str_size,
          }
          break;
       case RGUI_SETTINGS_AUDIO_DSP_FILTER:
-         strlcpy(type_str, *g_settings.audio.dsp_plugin ? g_settings.audio.dsp_plugin : "N/A", type_str_size);
+         {
+            const char *filter_name = rarch_dspfilter_get_name((void*)g_extern.audio_data.dsp_plugin);
+            strlcpy(type_str, filter_name ? filter_name : "N/A", type_str_size);
+         }
          break;
 #ifdef HAVE_OVERLAY
       case RGUI_SETTINGS_OVERLAY_PRESET:

general.h

@@ -235,6 +235,9 @@ struct settings
 
       char dsp_plugin[PATH_MAX];
       char filter_dir[PATH_MAX];
+#ifdef HAVE_FILTERS_BUILTIN
+      unsigned filter_idx;
+#endif
 
       bool rate_control;
       float rate_control_delta;

gfx/filter.c

@@ -120,8 +120,9 @@ static softfilter_get_implementation_t softfilter_get_implementation_from_idx(un
 
 #endif
 
-const char *rarch_softfilter_get_name(rarch_softfilter_t *filt)
+const char *rarch_softfilter_get_name(void *data)
 {
+   (void)data;
 #ifdef HAVE_FILTERS_BUILTIN
    unsigned cpu_features;
    const struct softfilter_implementation *impl;
@@ -136,6 +137,7 @@ const char *rarch_softfilter_get_name(rarch_softfilter_t *filt)
 
    return NULL;
 #else
+   rarch_softfilter_t *filt = (rarch_softfilter_t*)data;
    if (!filt || !filt->impl)
       return NULL;
 

gfx/filter.h

@@ -44,7 +44,7 @@ void rarch_softfilter_process(rarch_softfilter_t *filt,
       void *output, size_t output_stride,
       const void *input, unsigned width, unsigned height, size_t input_stride);
 
-const char *rarch_softfilter_get_name(rarch_softfilter_t *filt);
+const char *rarch_softfilter_get_name(void *data);
 
 #endif
 

griffin/griffin.c

@@ -484,6 +484,14 @@ FILTERS
 #include "../gfx/filters/darken.c"
 #include "../gfx/filters/epx.c"
 #include "../gfx/filters/scale2x.c"
+
+#include "../audio/filters/echo.c"
+#include "../audio/filters/eq.c"
+#include "../audio/filters/iir.c"
+#include "../audio/filters/phaser.c"
+#include "../audio/filters/reverb.c"
+#include "../audio/filters/volume.c"
+#include "../audio/filters/wah.c"
 #endif
 /*============================================================
 DYNAMIC