X-Git-Url: http://de.git.xonotic.org/?a=blobdiff_plain;f=snd_sdl.c;h=667d56b37fcb58c072c38ea17b082336743b43ba;hb=aed8b84afc34596c6ec9e4dd35ada467539fbd8c;hp=b82a56a4737808ff9ffdcf439a933d94711fdac7;hpb=18f60226fe7f34d6c3d37c4ca9fcdbbb7c525fff;p=xonotic%2Fdarkplaces.git

diff --git a/snd_sdl.c b/snd_sdl.c
index b82a56a4..667d56b3 100644
--- a/snd_sdl.c
+++ b/snd_sdl.c
@@ -16,11 +16,11 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
+#include "quakedef.h"
 
 #include <math.h>
 #include <SDL.h>
 
-#include "quakedef.h"
 #include "snd_main.h"
 
 
@@ -38,7 +38,15 @@ static void Buffer_Callback (void *userdata, Uint8 *stream, int len)
 		Sys_Error("SDL sound: invalid buffer length passed to Buffer_Callback (%d bytes)\n", len);
 
 	RequestedFrames = (unsigned int)len / factor;
-	
+
+	if (snd_usethreadedmixing)
+	{
+		S_MixToBuffer(stream, RequestedFrames);
+		if (snd_blocked)
+			memset(stream, snd_renderbuffer->format.width == 1 ? 0x80 : 0, len);
+		return;
+	}
+
 	// Transfert up to a chunk of samples from snd_renderbuffer to stream
 	MaxFrames = snd_renderbuffer->endframe - snd_renderbuffer->startframe;
 	if (MaxFrames > RequestedFrames)
@@ -53,7 +61,7 @@ static void Buffer_Callback (void *userdata, Uint8 *stream, int len)
 
 		PartialLength1 = (snd_renderbuffer->maxframes - StartOffset) * factor;
 		memcpy(stream, &snd_renderbuffer->ring[StartOffset * factor], PartialLength1);
-		
+
 		PartialLength2 = FrameCount * factor - PartialLength1;
 		memcpy(&stream[PartialLength1], &snd_renderbuffer->ring[0], PartialLength2);
 	}
@@ -62,8 +70,8 @@ static void Buffer_Callback (void *userdata, Uint8 *stream, int len)
 
 	snd_renderbuffer->startframe += FrameCount;
 
-	if (FrameCount < RequestedFrames && developer.integer >= 100)
-		Con_DPrintf("SDL sound: %u sample frames missing\n", RequestedFrames - FrameCount);
+	if (FrameCount < RequestedFrames && developer.integer >= 1000 && vid_activewindow)
+		Con_Printf("SDL sound: %u sample frames missing\n", RequestedFrames - FrameCount);
 
 	sdlaudiotime += RequestedFrames;
 }
@@ -83,7 +91,9 @@ qboolean SndSys_Init (const snd_format_t* requested, snd_format_t* suggested)
 	SDL_AudioSpec wantspec;
 	SDL_AudioSpec obtainspec;
 
-	Con_Print ("SndSys_Init: using the SDL module\n");
+	snd_threaded = false;
+
+	Con_DPrint ("SndSys_Init: using the SDL module\n");
 
 	// Init the SDL Audio subsystem
 	if( SDL_InitSubSystem( SDL_INIT_AUDIO ) ) {
@@ -91,7 +101,7 @@ qboolean SndSys_Init (const snd_format_t* requested, snd_format_t* suggested)
 		return false;
 	}
 
-	buffersize = (unsigned int)ceil((double)requested->speed / 20.0);
+	buffersize = (unsigned int)ceil((double)requested->speed / 25.0); // 2048 bytes on 24kHz to 48kHz
 
 	// Init the SDL Audio subsystem
 	wantspec.callback = Buffer_Callback;
@@ -101,7 +111,7 @@ qboolean SndSys_Init (const snd_format_t* requested, snd_format_t* suggested)
 	wantspec.channels = requested->channels;
 	wantspec.samples = CeilPowerOf2(buffersize);  // needs to be a power of 2 on some platforms.
 
-	Con_DPrintf("Wanted audio Specification:\n"
+	Con_Printf("Wanted audio Specification:\n"
 				"\tChannels  : %i\n"
 				"\tFormat    : 0x%X\n"
 				"\tFrequency : %i\n"
@@ -109,12 +119,12 @@ qboolean SndSys_Init (const snd_format_t* requested, snd_format_t* suggested)
 				wantspec.channels, wantspec.format, wantspec.freq, wantspec.samples);
 
 	if( SDL_OpenAudio( &wantspec, &obtainspec ) )
-	{       
+	{
 		Con_Printf( "Failed to open the audio device! (%s)\n", SDL_GetError() );
 		return false;
 	}
 
-	Con_DPrintf("Obtained audio specification:\n"
+	Con_Printf("Obtained audio specification:\n"
 				"\tChannels  : %i\n"
 				"\tFormat    : 0x%X\n"
 				"\tFrequency : %i\n"
@@ -140,11 +150,13 @@ qboolean SndSys_Init (const snd_format_t* requested, snd_format_t* suggested)
 		return false;
 	}
 
+	snd_threaded = true;
+
 	snd_renderbuffer = Snd_CreateRingBuffer(requested, 0, NULL);
 	if (snd_channellayout.integer == SND_CHANNELLAYOUT_AUTO)
 	{
 		int newlayout;
-		
+
 #ifdef __linux__
 		newlayout = SND_CHANNELLAYOUT_ALSA;
 #else
@@ -155,7 +167,7 @@ qboolean SndSys_Init (const snd_format_t* requested, snd_format_t* suggested)
 
 	sdlaudiotime = 0;
 	SDL_PauseAudio( false );
-	
+
 	return true;
 }