X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=snd_main.h;h=97da6693a49956f478e709859a9eb9f8c39d230c;hp=eb4f4fb19c27407f03291392f94959d625047098;hb=dbba88193908a87435fae15ccf8c28d76f36def7;hpb=8d8fea1106dfc80248ccf0c7a4e8ad99dc5f6d97

diff --git a/snd_main.h b/snd_main.h
index eb4f4fb1..97da6693 100644
--- a/snd_main.h
+++ b/snd_main.h
@@ -66,15 +66,17 @@ struct sfx_s
 
 										// One lock is automatically granted while the sfx is
 										// playing (and removed when stopped). Locks can also be
-	int					locks;			// added by S_PrecacheSound and S_ServerSounds.
-										// A SFX with no lock and no SFXFLAG_PERMANENTLOCK is
-										// freed at level change by S_ServerSounds.
+	int					locks;			// added by S_PrecacheSound.
+										// A SFX with no lock, no SFXFLAG_PERMANENTLOCK, and not precached after a level change is freed
 
 	unsigned int		flags;			// cf SFXFLAG_* defines
 	unsigned int		loopstart;		// in sample frames. equals total_length if not looped
 	unsigned int		total_length;	// in sample frames
 	const snd_fetcher_t	*fetcher;
 	void				*fetcher_data;	// Per-sfx data for the sound fetching functions
+
+	float				volume_mult;    // for replay gain (multiplier to apply)
+	float				volume_peak;    // for replay gain (highest peak); if set to 0, ReplayGain isn't supported
 };
 
 // maximum supported speakers constant
@@ -97,8 +99,8 @@ typedef struct channel_s
 // Sound fetching functions
 // "start" is both an input and output parameter: it returns the actual start time of the sound buffer
 typedef const snd_buffer_t* (*snd_fetcher_getsb_t) (void *sfxfetcher, void **chfetcherpointer, unsigned int *start, unsigned int nbsampleframes);
-typedef void (*snd_fetcher_endsb_t) (void **chfetcherpointer);
-typedef void (*snd_fetcher_free_t) (sfx_t* sfx);
+typedef void (*snd_fetcher_endsb_t) (void *chfetcherdata);
+typedef void (*snd_fetcher_free_t) (void *sfxfetcherdata);
 typedef const snd_format_t* (*snd_fetcher_getfmt_t) (sfx_t* sfx);
 struct snd_fetcher_s
 {
@@ -108,17 +110,12 @@ struct snd_fetcher_s
 	snd_fetcher_getfmt_t	getfmt;
 };
 
-// 0 to NUM_AMBIENTS - 1 = water, etc
-// NUM_AMBIENTS to NUM_AMBIENTS + MAX_DYNAMIC_CHANNELS - 1 = normal entity sounds
-// NUM_AMBIENTS + MAX_DYNAMIC_CHANNELS to total_channels = static sounds
-#define	MAX_DYNAMIC_CHANNELS	512
-#define	MAX_CHANNELS			1028
-
 extern unsigned int total_channels;
 extern channel_t channels[MAX_CHANNELS];
 
 extern snd_ringbuffer_t *snd_renderbuffer;
-extern unsigned int soundtime;	// WARNING: sound modules must NOT use it
+extern qboolean snd_threaded; // enables use of snd_usethreadedmixing, provided that no sound hacks are in effect (like timedemo)
+extern qboolean snd_usethreadedmixing; // if true, the main thread does not mix sound, soundtime does not advance, and neither does snd_renderbuffer->endframe, instead the audio thread will call S_MixToBuffer as needed
 
 extern cvar_t _snd_mixahead;
 extern cvar_t snd_swapstereo;
@@ -139,11 +136,20 @@ extern mempool_t *snd_mempool;
 extern qboolean simsound;
 
 
+#define STREAM_BUFFER_DURATION 0.3f // in seconds
+#define STREAM_BUFFER_FILL 0.2f // in seconds
+#define STREAM_BUFFER_SIZE(format_ptr) ((int)ceil (STREAM_BUFFER_DURATION * (format_ptr)->speed) * (format_ptr)->width * (format_ptr)->channels)
+
+// We work with 1 sec sequences, so this buffer must be able to contain
+// 1 sec of sound of the highest quality (48 KHz, 16 bit samples, stereo)
+extern unsigned char resampling_buffer [48000 * 2 * 2];
+
+
 // ====================================================================
 //         Architecture-independent functions
 // ====================================================================
 
-void S_PaintChannels (snd_ringbuffer_t* rb, unsigned int starttime, unsigned int endtime);
+void S_MixToBuffer(void *stream, unsigned int frames);
 
 qboolean S_LoadSound (sfx_t *sfx, qboolean complain);
 
@@ -181,5 +187,30 @@ qboolean SndSys_LockRenderBuffer (void);
 // Release the exclusive lock on "snd_renderbuffer"
 void SndSys_UnlockRenderBuffer (void);
 
+// if the sound system can generate events, send them
+void SndSys_SendKeyEvents(void);
+
+// exported for capturevideo so ogg can see all channels
+typedef struct portable_samplepair_s
+{
+	int sample[SND_LISTENERS];
+} portable_sampleframe_t;
+
+typedef struct listener_s
+{
+	int channel_unswapped; // for un-swapping
+	float yawangle;
+	float dotscale;
+	float dotbias;
+	float ambientvolume;
+}
+listener_t;
+typedef struct speakerlayout_s
+{
+	const char *name;
+	unsigned int channels;
+	listener_t listeners[SND_LISTENERS];
+}
+speakerlayout_t;
 
 #endif