Add speech-dispatcher support (linux-only for now)

accessibility.h

@@ -32,6 +32,15 @@
 
 #include "configuration.h"
 
+
+enum accessibility_narrator_synthesizer
+{
+   ACCESSIBILITY_NARRATOR_SYNTHESIZER_NATIVE = 0,
+   ACCESSIBILITY_NARRATOR_SYNTHESIZER_SPEACH_DISPATCHER,
+   ACCESSIBILITY_NARRATOR_SYNTHESIZER_ESPEAK,
+   ACCESSIBILITY_NARRATOR_SYNTHESIZER_LAST
+};
+
 typedef struct
 {
    int ai_service_auto;

config.def.h

@@ -180,6 +180,8 @@
 
 #define DEFAULT_ACCESSIBILITY_ENABLE false
 
+#define DEFAULT_ACCESSIBILITY_NARRATOR_SYNTHESIZER 0
+
 #define DEFAULT_ACCESSIBILITY_NARRATOR_SPEECH_SPEED 5
 
 #define DEFAULT_DRIVER_SWITCH_ENABLE true

configuration.c

@@ -2621,6 +2621,7 @@ static struct config_uint_setting *populate_settings_uint(
    SETTING_UINT("cheevos_appearance_anchor",     &settings->uints.cheevos_appearance_anchor, true, DEFAULT_CHEEVOS_APPEARANCE_ANCHOR, false);
    SETTING_UINT("cheevos_visibility_summary",    &settings->uints.cheevos_visibility_summary, true, DEFAULT_CHEEVOS_VISIBILITY_SUMMARY, false);
 #endif
+   SETTING_UINT("accessibility_narrator_synthesizer", &settings->uints.accessibility_narrator_synthesizer, true, DEFAULT_ACCESSIBILITY_NARRATOR_SYNTHESIZER, false);
    SETTING_UINT("accessibility_narrator_speech_speed", &settings->uints.accessibility_narrator_speech_speed, true, DEFAULT_ACCESSIBILITY_NARRATOR_SPEECH_SPEED, false);
    SETTING_UINT("ai_service_mode",              &settings->uints.ai_service_mode,            true, DEFAULT_AI_SERVICE_MODE, false);
    SETTING_UINT("ai_service_target_lang",       &settings->uints.ai_service_target_lang,     true, 0, false);

configuration.h

@@ -279,6 +279,7 @@ typedef struct settings
 #endif
 
       /* Accessibility */
+      unsigned accessibility_narrator_synthesizer;
       unsigned accessibility_narrator_speech_speed;
 
       unsigned menu_timedate_style;

frontend/drivers/platform_unix.c

@@ -51,6 +51,10 @@
 #include <signal.h>
 #include <pthread.h>
 
+#if (defined(__linux__) || defined(__HAIKU__) || defined(__unix__)) && !defined(ANDROID)
+#include "accessibility.h"
+#endif
+
 #ifdef HAVE_CONFIG_H
 #include "../../config.h"
 #endif
@@ -2899,7 +2903,8 @@ static const char* accessibility_unix_language_code(const char* language)
          string_is_equal(language, "ta") ||
          string_is_equal(language, "te") ||
          string_is_equal(language, "ur") ||
-         string_is_equal(language, "cy")
+         string_is_equal(language, "cy") ||
+         string_is_equal(language, "ca")
       )
       return language;
    else if (
@@ -2908,19 +2913,16 @@ static const char* accessibility_unix_language_code(const char* language)
       )
       return "nb";
    else if (string_is_equal(language, "en_gb"))
-      return "en-gb";
-   else if (
-         string_is_equal(language, "ca") ||
-         string_is_equal(language, "ca_ES@valencia")
-      )
-      return "ca";
+      return "en-GB";
+   else if (string_is_equal(language, "ca_ES@valencia"))
+      return "ca-VA";
    else if (
          string_is_equal(language, "pt_pt") ||
          string_is_equal(language, "pt")
       )
       return "pt";
    else if (string_is_equal(language, "pt_bt"))
-      return "pt-br";
+      return "pt-BR";
    else if (
          string_is_equal(language, "zh") ||
          string_is_equal(language, "zh_cn") ||
@@ -2938,27 +2940,69 @@ static const char* accessibility_unix_language_code(const char* language)
 static bool accessibility_speak_unix(int speed,
       const char* speak_text, int priority)
 {
+   unsigned synthesizer;
    int pid;
    const char* language   = accessibility_unix_language_code(get_user_language_iso639_1(true));
    char* voice_out        = (char*)malloc(3 + strlen(language));
    char* speed_out        = (char*)malloc(3 + 3);
    const char* speeds[10] = {"80", "100", "125", "150", "170", "210", "260", "310", "380", "450"};
+   char* executable       = (char*)malloc(16);
+
+   settings_t *settings = config_get_ptr();
+   synthesizer = settings->uints.accessibility_narrator_synthesizer;
+
+   switch (synthesizer)
+   {
+      case ACCESSIBILITY_NARRATOR_SYNTHESIZER_SPEACH_DISPATCHER:
+      {
+         strlcpy(executable, "spd-say", 8);
+         speeds[0] = "-99";
+         speeds[1] = "-75";
+         speeds[2] = "-50";
+         speeds[3] = "-25";
+         speeds[4] = "0";
+         speeds[5] = "20";
+         speeds[6] = "40";
+         speeds[7] = "60";
+         speeds[8] = "80";
+         speeds[9] = "100";
+
+         voice_out[0] = '-';
+         voice_out[1] = 'l';
+         voice_out[2] = '\0';
+         strlcat(voice_out, language, sizeof(voice_out));
+
+         speed_out[0] = '-';
+         speed_out[1] = 'r';
+         speed_out[2] = '\0';
+         strlcat(speed_out, speeds[speed-1], sizeof(speed_out));
+
+         break;
+      }
+      case ACCESSIBILITY_NARRATOR_SYNTHESIZER_ESPEAK:
+      default:
+      {
+         strlcpy(executable, "espeak", 7);
+
+         voice_out[0] = '-';
+         voice_out[1] = 'v';
+         voice_out[2] = '\0';
+         strlcat(voice_out, language, sizeof(voice_out));
+
+         speed_out[0] = '-';
+         speed_out[1] = 's';
+         speed_out[2] = '\0';
+         strlcat(speed_out, speeds[speed-1], sizeof(speed_out));
+
+         break;
+      }
+   }
 
    if (speed < 1)
       speed = 1;
    else if (speed > 10)
       speed = 10;
 
-   voice_out[0] = '-';
-   voice_out[1] = 'v';
-   voice_out[2] = '\0';
-   strlcat(voice_out, language, 3 + strlen(language));
-
-   speed_out[0] = '-';
-   speed_out[1] = 's';
-   speed_out[2] = '\0';
-   strlcat(speed_out, speeds[speed-1], 6);
-
    if (priority < 10 && speak_pid > 0)
    {
       /* check if old pid is running */
@@ -2968,7 +3012,7 @@ static bool accessibility_speak_unix(int speed,
 
    if (speak_pid > 0)
    {
-      /* Kill the running espeak */
+      /* Kill the running TTS Engine */
       kill(speak_pid, SIGTERM);
       speak_pid = 0;
    }
@@ -2978,19 +3022,20 @@ static bool accessibility_speak_unix(int speed,
    {
       case 0:
          {
-            /* child process: replace process with the espeak command */
-            char* cmd[] = { (char*) "espeak", NULL, NULL, NULL, NULL };
+            /* child process: replace process with the TTS command */
+            char* cmd[] = { NULL, NULL, NULL, NULL, NULL };
+            cmd[0] = executable;
             cmd[1] = voice_out;
             cmd[2] = speed_out;
             cmd[3] = (char*)speak_text;
-            execvp("espeak", cmd);
+            execvp(executable, cmd);
 
-            RARCH_WARN("Could not execute espeak.\n");
+            RARCH_WARN("Could not execute TTS Engine.\n");
             /* Prevent interfere with the parent process */
             _exit(EXIT_FAILURE);
          }
       case -1:
-         RARCH_ERR("Could not fork for espeak.\n");
+         RARCH_ERR("Could not fork for the TTS process.\n");
       default:
          {
             /* parent process */
@@ -3007,6 +3052,8 @@ static bool accessibility_speak_unix(int speed,
       free(voice_out);
    if (speed_out)
       free(speed_out);
+   if (executable)
+      free(executable);
    return true;
 }
 #endif

intl/msg_hash_lbl.h

@@ -2175,7 +2175,7 @@ MSG_HASH(
 MSG_HASH(
    MENU_ENUM_LABEL_INPUT_REMAP_SORT_BY_CONTROLLER_ENABLE,
    "input_remap_sort_by_controller_enable"
-   )   
+   )
 MSG_HASH(
    MENU_ENUM_LABEL_INPUT_SETTINGS,
    "input_settings"
@@ -6580,6 +6580,10 @@ MSG_HASH(
    MENU_ENUM_LABEL_ACCESSIBILITY_ENABLED,
    "accessibility_enabled"
    )
+MSG_HASH(
+   MENU_ENUM_LABEL_ACCESSIBILITY_NARRATOR_SYNTHESIZER,
+   "accessibility_narrator_synthesizer"
+   )
 MSG_HASH(
    MENU_ENUM_LABEL_ACCESSIBILITY_NARRATOR_SPEECH_SPEED,
    "accessibility_narrator_speech_speed"

intl/msg_hash_us.h

@@ -7235,6 +7235,14 @@ MSG_HASH(
    MENU_ENUM_SUBLABEL_ACCESSIBILITY_ENABLED,
    "Enable Text-to-Speech to aid in menu navigation."
    )
+MSG_HASH(
+   MENU_ENUM_LABEL_VALUE_ACCESSIBILITY_NARRATOR_SYNTHESIZER,
+   "Text-to-Speech synthesizer"
+   )
+MSG_HASH(
+   MENU_ENUM_SUBLABEL_ACCESSIBILITY_NARRATOR_SYNTHESIZER,
+   "The engine of the Text-to-Speech synthesis."
+   )
 MSG_HASH(
    MENU_ENUM_LABEL_VALUE_ACCESSIBILITY_NARRATOR_SPEECH_SPEED,
    "Text-to-Speech Speed"

menu/cbs/menu_cbs_sublabel.c

@@ -231,6 +231,7 @@ DEFAULT_SUBLABEL_MACRO(menu_action_sublabel_setting_audio_mixer_stream_volume,
       MENU_ENUM_SUBLABEL_MIXER_ACTION_VOLUME)
 #endif
 DEFAULT_SUBLABEL_MACRO(action_bind_sublabel_accessibility_enabled, MENU_ENUM_SUBLABEL_ACCESSIBILITY_ENABLED)
+DEFAULT_SUBLABEL_MACRO(action_bind_sublabel_accessibility_narrator_synthesizer, MENU_ENUM_SUBLABEL_ACCESSIBILITY_NARRATOR_SYNTHESIZER)
 DEFAULT_SUBLABEL_MACRO(action_bind_sublabel_accessibility_narrator_speech_speed, MENU_ENUM_SUBLABEL_ACCESSIBILITY_NARRATOR_SPEECH_SPEED)
 
 DEFAULT_SUBLABEL_MACRO(action_bind_sublabel_load_config,                      MENU_ENUM_SUBLABEL_CONFIGURATIONS)
@@ -5342,6 +5343,9 @@ int menu_cbs_init_bind_sublabel(menu_file_list_cbs_t *cbs,
          case MENU_ENUM_LABEL_ACCESSIBILITY_ENABLED:
             BIND_ACTION_SUBLABEL(cbs, action_bind_sublabel_accessibility_enabled);
             break;
+         case MENU_ENUM_LABEL_ACCESSIBILITY_NARRATOR_SYNTHESIZER:
+            BIND_ACTION_SUBLABEL(cbs, action_bind_sublabel_accessibility_narrator_synthesizer);
+            break;
          case MENU_ENUM_LABEL_ACCESSIBILITY_NARRATOR_SPEECH_SPEED:
             BIND_ACTION_SUBLABEL(cbs, action_bind_sublabel_accessibility_narrator_speech_speed);
             break;

menu/menu_displaylist.c

@@ -8296,6 +8296,7 @@ unsigned menu_displaylist_build_list(
             bool accessibility_enable      = settings->bools.accessibility_enable;
             menu_displaylist_build_info_selective_t build_list[] = {
                {MENU_ENUM_LABEL_ACCESSIBILITY_ENABLED,               PARSE_ONLY_BOOL, true },
+               {MENU_ENUM_LABEL_ACCESSIBILITY_NARRATOR_SYNTHESIZER,  PARSE_ONLY_UINT, false },
                {MENU_ENUM_LABEL_ACCESSIBILITY_NARRATOR_SPEECH_SPEED, PARSE_ONLY_UINT, false },
                {MENU_ENUM_LABEL_AI_SERVICE_SETTINGS,                 PARSE_ACTION,    true },
             };
@@ -8304,6 +8305,9 @@ unsigned menu_displaylist_build_list(
             {
                switch (build_list[i].enum_idx)
                {
+#if (defined(__linux__) || defined(__unix__)) && !defined(ANDROID)
+                  case MENU_ENUM_LABEL_ACCESSIBILITY_NARRATOR_SYNTHESIZER:
+#endif
                   case MENU_ENUM_LABEL_ACCESSIBILITY_NARRATOR_SPEECH_SPEED:
                      if (accessibility_enable)
                         build_list[i].checked = true;

menu/menu_setting.c

@@ -31,6 +31,12 @@
 
 #include <compat/strl.h>
 
+#ifdef HAVE_ACCESSIBILITY
+#if (defined(__linux__) || defined(__HAIKU__) || defined(__unix__)) && !defined(ANDROID)
+#include "accessibility.h"
+#endif
+#endif
+
 #ifdef HAVE_CONFIG_H
 #include "../config.h"
 #endif
@@ -3175,6 +3181,29 @@ static size_t setting_get_string_representation_uint_keyboard_gamepad_mapping_ty
 }
 #endif
 
+#ifdef HAVE_ACCESSIBILITY
+#if (defined(__linux__) || defined(__HAIKU__) || defined(__unix__)) && !defined(ANDROID)
+static size_t setting_get_string_representation_uint_accessibility_narrator_synthesizer(
+      rarch_setting_t *setting, char *s, size_t len)
+{
+   if (!setting)
+      return 0;
+   switch(*setting->value.target.unsigned_integer)
+   {
+      case ACCESSIBILITY_NARRATOR_SYNTHESIZER_NATIVE:
+         return strlcpy(s, "native", len);
+      case ACCESSIBILITY_NARRATOR_SYNTHESIZER_SPEACH_DISPATCHER:
+         return strlcpy(s, "Speech Dispatcher", len);
+      case ACCESSIBILITY_NARRATOR_SYNTHESIZER_ESPEAK:
+         return strlcpy(s, "eSpeak", len);
+      case ACCESSIBILITY_NARRATOR_SYNTHESIZER_LAST:
+         return 0;
+   }
+   return 0;
+}
+#endif
+#endif
+
 #ifdef HAVE_TRANSLATE
 static size_t setting_get_string_representation_uint_ai_service_mode(
       rarch_setting_t *setting, char *s, size_t len)
@@ -12110,7 +12139,7 @@ static bool setting_append_list(
                   parent_group,
                   general_write_handler,
                   general_read_handler);
-            menu_settings_list_current_add_range(list, list_info, 
+            menu_settings_list_current_add_range(list, list_info,
                   0, cheat_manager_get_state_search_size(cheat_manager_state.working_cheat.memory_search_size), 1, true, true);
             (*list)[list_info->index - 1].get_string_representation = &setting_get_string_representation_hex_and_uint;
             SETTINGS_DATA_LIST_CURRENT_ADD_FLAGS(list, list_info, SD_FLAG_ALLOW_INPUT);
@@ -12203,7 +12232,7 @@ static bool setting_append_list(
                   parent_group,
                   general_write_handler,
                   general_read_handler);
-            menu_settings_list_current_add_range(list, list_info, 
+            menu_settings_list_current_add_range(list, list_info,
                   0, cheat_manager_get_state_search_size(cheat_manager_state.working_cheat.memory_search_size), 1, true, true);
             (*list)[list_info->index - 1].get_string_representation = &setting_get_string_representation_hex_and_uint;
             SETTINGS_DATA_LIST_CURRENT_ADD_FLAGS(list, list_info, SD_FLAG_ALLOW_INPUT);
@@ -20553,6 +20582,26 @@ static bool setting_append_list(
          (*list)[list_info->index - 1].action_left   = setting_bool_action_left_with_refresh;
          (*list)[list_info->index - 1].action_right  = setting_bool_action_right_with_refresh;
 
+#ifdef HAVE_ACCESSIBILITY
+#if (defined(__linux__) || defined(__HAIKU__) || defined(__unix__)) && !defined(ANDROID)
+         CONFIG_UINT(
+               list, list_info,
+               &settings->uints.accessibility_narrator_synthesizer,
+               MENU_ENUM_LABEL_ACCESSIBILITY_NARRATOR_SYNTHESIZER,
+               MENU_ENUM_LABEL_VALUE_ACCESSIBILITY_NARRATOR_SYNTHESIZER,
+               DEFAULT_ACCESSIBILITY_NARRATOR_SYNTHESIZER,
+               &group_info,
+               &subgroup_info,
+               parent_group,
+               general_write_handler,
+               general_read_handler);
+         (*list)[list_info->index - 1].get_string_representation =
+            &setting_get_string_representation_uint_accessibility_narrator_synthesizer;
+         (*list)[list_info->index - 1].action_ok     = &setting_action_ok_uint;
+         menu_settings_list_current_add_range(list, list_info, ACCESSIBILITY_NARRATOR_SYNTHESIZER_NATIVE, (ACCESSIBILITY_NARRATOR_SYNTHESIZER_LAST - 1), 1, true, true);
+#endif
+#endif
+
          CONFIG_UINT(
                list, list_info,
                &settings->uints.accessibility_narrator_speech_speed,

msg_hash.h

@@ -2945,6 +2945,7 @@ enum msg_hash_enums
    MENU_LABEL(INPUT_HAPTIC_FEEDBACK_SETTINGS),
    MENU_LABEL(ACCESSIBILITY_SETTINGS),
    MENU_LABEL(ACCESSIBILITY_ENABLED),
+   MENU_LABEL(ACCESSIBILITY_NARRATOR_SYNTHESIZER),
    MENU_LABEL(ACCESSIBILITY_NARRATOR_SPEECH_SPEED),
    MENU_LABEL(AI_SERVICE_SETTINGS),
    MENU_LABEL(AI_SERVICE_MODE),