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Fixed bug 5239 - Play audio on Android while backgrounded (Thanks Superfury)

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Add hint SDL_HINT_ANDROID_BLOCK_ON_PAUSE_PAUSEAUDIO not to pause audio when
the app goes to background.
(It requires SDL_ANDROID_BLOCK_ON_PAUSE as "Non blocking")
This commit is contained in:
Sylvain Becker 2020-09-25 10:14:42 +02:00
parent 7ef188a1fb
commit 955f3184f9
4 changed files with 22 additions and 4 deletions
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12
include/SDL_hints.h
View file

@ -1028,6 +1028,18 @@ extern "C" {
*/
#define SDL_HINT_ANDROID_BLOCK_ON_PAUSE "SDL_ANDROID_BLOCK_ON_PAUSE"
/**
* \brief A variable to control whether SDL will pause audio in background
* (Requires SDL_ANDROID_BLOCK_ON_PAUSE as "Non blocking")
*
* The variable can be set to the following values:
* "0" - Non paused.
* "1" - Paused. (default)
*
* The value should be set before SDL is initialized.
*/
#define SDL_HINT_ANDROID_BLOCK_ON_PAUSE_PAUSEAUDIO "SDL_ANDROID_BLOCK_ON_PAUSE_PAUSEAUDIO"
/**
* \brief A variable to control whether the return key on the soft keyboard
* should hide the soft keyboard on Android and iOS.

12
src/video/android/SDL_androidevents.c
View file

@ -175,8 +175,10 @@ Android_PumpEvents_NonBlocking(_THIS)
SDL_UnlockMutex(Android_ActivityMutex);
}
ANDROIDAUDIO_PauseDevices();
openslES_PauseDevices();
if (videodata->pauseAudio) {
ANDROIDAUDIO_PauseDevices();
openslES_PauseDevices();
}
backup_context = 0;
}
@ -191,8 +193,10 @@ Android_PumpEvents_NonBlocking(_THIS)
SDL_SendAppEvent(SDL_APP_DIDENTERFOREGROUND);
SDL_SendWindowEvent(Android_Window, SDL_WINDOWEVENT_RESTORED, 0, 0);
ANDROIDAUDIO_ResumeDevices();
openslES_ResumeDevices();
if (videodata->pauseAudio) {
ANDROIDAUDIO_ResumeDevices();
openslES_ResumeDevices();
}
/* Restore the GL Context from here, as this operation is thread dependent */
if (!isContextExternal && !SDL_HasEvent(SDL_QUIT)) {

1
src/video/android/SDL_androidvideo.c
View file

@ -181,6 +181,7 @@ Android_VideoInit(_THIS)
videodata->isPaused = SDL_FALSE;
videodata->isPausing = SDL_FALSE;
videodata->pauseAudio = SDL_GetHintBoolean(SDL_HINT_ANDROID_BLOCK_ON_PAUSE_PAUSEAUDIO, SDL_TRUE);
mode.format = Android_ScreenFormat;
mode.w = Android_DeviceWidth;

1
src/video/android/SDL_androidvideo.h
View file

@ -38,6 +38,7 @@ typedef struct SDL_VideoData
SDL_Rect textRect;
int isPaused;
int isPausing;
int pauseAudio;
} SDL_VideoData;
extern int Android_SurfaceWidth;