From 8d4ed49501bea2a40aa8a4f936a65949c8f7a126 Mon Sep 17 00:00:00 2001
From: Marko Lindqvist <cazfi74@gmail.com>
Date: Sun, 16 Jan 2022 21:52:59 +0200
Subject: [PATCH 43/44] Add pause and resume functionality to audio API

See osdn #43550

Signed-off-by: Marko Lindqvist <cazfi74@gmail.com>
---
 client/audio.c      | 16 ++++++++++++++++
 client/audio.h      |  6 ++++++
 client/audio_none.c | 18 ++++++++++++++++++
 client/audio_sdl.c  | 18 ++++++++++++++++++
 4 files changed, 58 insertions(+)

diff --git a/client/audio.c b/client/audio.c
index acfe5f029e..5a50bb9cd0 100644
--- a/client/audio.c
+++ b/client/audio.c
@@ -582,6 +582,22 @@ void audio_play_track(const char *const tag, char *const alt_tag)
   real_audio_play_music(tag, alt_tag, TRUE);
 }
 
+/**********************************************************************//**
+  Pause sound.
+**************************************************************************/
+void audio_pause(void)
+{
+  plugins[selected_plugin].pause();
+}
+
+/**********************************************************************//**
+  Resume sound.
+**************************************************************************/
+void audio_resume(void)
+{
+  plugins[selected_plugin].resume();
+}
+
 /**********************************************************************//**
   Stop sound. Music should die down in a few seconds.
 **************************************************************************/
diff --git a/client/audio.h b/client/audio.h
index 8588bb9b02..102f066d4e 100644
--- a/client/audio.h
+++ b/client/audio.h
@@ -17,6 +17,7 @@
 extern "C" {
 #endif /* __cplusplus */
 
+/* utility */
 #include "support.h"            /* bool type */
 
 #define MAX_AUDIO_NAME_LEN		20
@@ -37,6 +38,8 @@ struct audio_plugin {
   void (*set_volume) (double volume);
   bool (*play) (const char *const tag, const char *const path, bool repeat,
                 audio_finished_callback cb);
+  void (*pause)(void);
+  void (*resume)(void);
 };
 
 enum music_usage { MU_MENU, MU_INGAME };
@@ -57,6 +60,9 @@ void audio_stop(void);
 void audio_stop_usage(void);
 void audio_restart(const char *soundset_name, const char *musicset_name);
 
+void audio_pause(void);
+void audio_resume(void);
+
 void audio_play_sound(const char *const tag, const char *const alt_tag);
 void audio_play_music(const char *const tag, char *const alt_tag,
                       enum music_usage usage);
diff --git a/client/audio_none.c b/client/audio_none.c
index b8a9a4c017..30ad9740aa 100644
--- a/client/audio_none.c
+++ b/client/audio_none.c
@@ -17,8 +17,10 @@
 
 #include <string.h>
 
+/* utility */
 #include "support.h"
 
+/* client */
 #include "audio.h"
 #include "gui_main_g.h"
 
@@ -58,6 +60,20 @@ static bool none_audio_play(const char *const tag, const char *const fullpath,
   return FALSE;
 }
 
+/**********************************************************************//**
+  Pause audio
+**************************************************************************/
+static void none_audio_pause(void)
+{
+}
+
+/**********************************************************************//**
+  Resume audio
+**************************************************************************/
+static void none_audio_resume(void)
+{
+}
+
 /**********************************************************************//**
   Initialize.
 **************************************************************************/
@@ -80,5 +96,7 @@ void audio_none_init(void)
   self.stop = none_audio_stop;
   self.wait = none_audio_wait;
   self.play = none_audio_play;
+  self.pause = none_audio_pause;
+  self.resume = none_audio_resume;
   audio_add_plugin(&self);
 }
diff --git a/client/audio_sdl.c b/client/audio_sdl.c
index 32af02c66e..47c6cc9d00 100644
--- a/client/audio_sdl.c
+++ b/client/audio_sdl.c
@@ -144,6 +144,22 @@ static bool sdl_audio_play(const char *const tag, const char *const fullpath,
   return TRUE;
 }
 
+/**********************************************************************//**
+  Pause music
+**************************************************************************/
+static void sdl_audio_pause(void)
+{
+  Mix_PauseMusic();
+}
+
+/**********************************************************************//**
+  Resume music
+**************************************************************************/
+static void sdl_audio_resume(void)
+{
+  Mix_ResumeMusic();
+}
+
 /**********************************************************************//**
   Stop music
 **************************************************************************/
@@ -264,6 +280,8 @@ void audio_sdl_init(void)
   self.stop = sdl_audio_stop;
   self.wait = sdl_audio_wait;
   self.play = sdl_audio_play;
+  self.pause = sdl_audio_pause;
+  self.resume = sdl_audio_resume;
   self.set_volume = sdl_audio_set_volume;
   self.get_volume = sdl_audio_get_volume;
   audio_add_plugin(&self);
-- 
2.34.1