Fix engine not starting on Windows if linked against SDL > 2.0.5
authordivverent <divverent@d7cf8633-e32d-0410-b094-e92efae38249>
Sat, 2 Feb 2019 02:48:15 +0000 (02:48 +0000)
committerdivverent <divverent@d7cf8633-e32d-0410-b094-e92efae38249>
Sat, 2 Feb 2019 02:48:15 +0000 (02:48 +0000)
This migrates SDL_OpenAudio -> SDL_OpenAudioDevice et cetera, i.e. with explicit
device handles now.

Changes from DarkplacesRM

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@12471 d7cf8633-e32d-0410-b094-e92efae38249

snd_sdl.c

index 583ea1f..21341dc 100644 (file)
--- a/snd_sdl.c
+++ b/snd_sdl.c
@@ -25,6 +25,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 
 static unsigned int sdlaudiotime = 0;
+static int audio_device = 0;
 
 
 // Note: SDL calls SDL_LockAudio() right before this function, so no need to lock the audio data here
@@ -124,7 +125,7 @@ qboolean SndSys_Init (const snd_format_t* requested, snd_format_t* suggested)
                                "\tSamples   : %i\n",
                                wantspec.channels, wantspec.format, wantspec.freq, wantspec.samples);
 
-       if( SDL_OpenAudio( &wantspec, &obtainspec ) )
+       if ((audio_device = SDL_OpenAudioDevice(NULL, 0, &wantspec, &obtainspec, 0)) == 0)
        {
                Con_Printf( "Failed to open the audio device! (%s)\n", SDL_GetError() );
                return false;
@@ -142,7 +143,7 @@ qboolean SndSys_Init (const snd_format_t* requested, snd_format_t* suggested)
                wantspec.format != obtainspec.format ||
                wantspec.channels != obtainspec.channels)
        {
-               SDL_CloseAudio();
+               SDL_CloseAudioDevice(audio_device);
 
                // Pass the obtained format as a suggested format
                if (suggested != NULL)
@@ -163,7 +164,7 @@ qboolean SndSys_Init (const snd_format_t* requested, snd_format_t* suggested)
                Cvar_SetValueQuick (&snd_channellayout, SND_CHANNELLAYOUT_STANDARD);
 
        sdlaudiotime = 0;
-       SDL_PauseAudio( false );
+       SDL_PauseAudioDevice(audio_device, 0);
 
        return true;
 }
@@ -178,8 +179,10 @@ Stop the sound card, delete "snd_renderbuffer" and free its other resources
 */
 void SndSys_Shutdown(void)
 {
-       SDL_CloseAudio();
-
+       if (audio_device > 0) {
+               SDL_CloseAudioDevice(audio_device);
+               audio_device = 0;
+       }
        if (snd_renderbuffer != NULL)
        {
                Mem_Free(snd_renderbuffer->ring);
@@ -224,7 +227,7 @@ Get the exclusive lock on "snd_renderbuffer"
 */
 qboolean SndSys_LockRenderBuffer (void)
 {
-       SDL_LockAudio();
+       SDL_LockAudioDevice(audio_device);
        return true;
 }
 
@@ -238,7 +241,7 @@ Release the exclusive lock on "snd_renderbuffer"
 */
 void SndSys_UnlockRenderBuffer (void)
 {
-       SDL_UnlockAudio();
+       SDL_UnlockAudioDevice(audio_device);
 }
 
 /*