X-Git-Url: http://git.xonotic.org/?a=blobdiff_plain;f=snd_sdl.c;h=d5cca85668d0c39bb61d7c73a6df2a334aaba34b;hb=324a5329d33ef90df59e6488abce6433d90ac04c;hp=c88b28c8bb3d565fe3677375b23c1247d955edc7;hpb=d20e3db36d49b51ebf0e48f668321ce20c98f4f1;p=xonotic%2Fdarkplaces.git diff --git a/snd_sdl.c b/snd_sdl.c index c88b28c8..d5cca856 100644 --- a/snd_sdl.c +++ b/snd_sdl.c @@ -16,15 +16,16 @@ 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 #include +#include "quakedef.h" + #include "snd_main.h" 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 @@ -67,10 +68,20 @@ static void Buffer_Callback (void *userdata, Uint8 *stream, int len) PartialLength2 = FrameCount * factor - PartialLength1; memcpy(&stream[PartialLength1], &snd_renderbuffer->ring[0], PartialLength2); + + // As of SDL 2.0 buffer needs to be fully initialized, so fill leftover part with silence + // FIXME this is another place that assumes 8bit is always unsigned and others always signed + memset(&stream[PartialLength1 + PartialLength2], snd_renderbuffer->format.width == 1 ? 0x80 : 0, len - (PartialLength1 + PartialLength2)); } else + { memcpy(stream, &snd_renderbuffer->ring[StartOffset * factor], FrameCount * factor); + // As of SDL 2.0 buffer needs to be fully initialized, so fill leftover part with silence + // FIXME this is another place that assumes 8bit is always unsigned and others always signed + memset(&stream[FrameCount * factor], snd_renderbuffer->format.width == 1 ? 0x80 : 0, len - (FrameCount * factor)); + } + snd_renderbuffer->startframe += FrameCount; if (FrameCount < RequestedFrames && developer_insane.integer && vid_activewindow) @@ -124,7 +135,7 @@ 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 +153,7 @@ 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 +174,7 @@ 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 +189,10 @@ 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 +237,7 @@ Get the exclusive lock on "snd_renderbuffer" */ qboolean SndSys_LockRenderBuffer (void) { - SDL_LockAudio(); + SDL_LockAudioDevice(audio_device); return true; } @@ -238,7 +251,7 @@ Release the exclusive lock on "snd_renderbuffer" */ void SndSys_UnlockRenderBuffer (void) { - SDL_UnlockAudio(); + SDL_UnlockAudioDevice(audio_device); } /*