// sfx_t flags
#define SFXFLAG_NONE 0
#define SFXFLAG_FILEMISSING (1 << 0) // wasn't able to load the associated sound file
-#define SFXFLAG_SERVERSOUND (1 << 1) // the sfx is part of the server precache list
+#define SFXFLAG_LEVELSOUND (1 << 1) // the sfx is part of the server or client precache list for this level
#define SFXFLAG_STREAMED (1 << 2) // informative only. You shouldn't need to know that
-#define SFXFLAG_PERMANENTLOCK (1 << 3) // can never be freed (ex: used by the client code)
+#define SFXFLAG_MENUSOUND (1 << 3) // not freed during level change (menu sounds, music, etc)
typedef struct snd_fetcher_s snd_fetcher_t;
struct sfx_s
sfx_t *next;
size_t memsize; // total memory used (including sfx_t and fetcher data)
- // 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.
-
+ snd_format_t format; // format describing the audio data that fetcher->getsamplesfloat will return
unsigned int flags; // cf SFXFLAG_* defines
- int loopstart; // in sample frames. -1 if not looped
+ 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
typedef struct channel_s
{
- short listener_volume [SND_LISTENERS]; // 0-255 volume per speaker
- int master_vol; // 0-255 master volume
- sfx_t *sfx; // sfx number
+ // provided sound information
+ sfx_t *sfx; // pointer to sound sample being used
+ float basevolume; // 0-1 master volume
unsigned int flags; // cf CHANNELFLAG_* defines
- unsigned int end; // end time in global paintsamples
- unsigned int lastptime; // last time this channel was painted
- unsigned int pos; // sample position in sfx
- int entnum; // to allow overriding a specific sound
- int entchannel;
+ int entnum; // makes sound follow entity origin (allows replacing interrupting existing sound on same id)
+ int entchannel; // which channel id on the entity
vec3_t origin; // origin of sound effect
- vec_t dist_mult; // distance multiplier (attenuation/clipK)
+ vec_t distfade; // distance multiplier (attenuation/clipK)
void *fetcher_data; // Per-channel data for the sound fetching function
+ int prologic_invert;// whether a sound is played on the surround channels in prologic
+ float basespeed; // playback rate multiplier for pitch variation
+
+ // these are often updated while mixer is running, glitching should be minimized (mismatched channel volumes from spatialization is okay)
+ // spatialized playback speed (speed * doppler ratio)
+ float mixspeed;
+ // spatialized volume per speaker (mastervol * distanceattenuation * channelvolume cvars)
+ float volume[SND_LISTENERS];
+
+ // updated ONLY by mixer
+ // position in sfx, starts at 0, loops or stops at sfx->total_length
+ double position;
} channel_t;
// 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) (channel_t* ch, unsigned int *start, unsigned int nbsampleframes);
-typedef void (*snd_fetcher_endsb_t) (channel_t* ch);
-typedef void (*snd_fetcher_free_t) (sfx_t* sfx);
-typedef const snd_format_t* (*snd_fetcher_getfmt_t) (sfx_t* sfx);
+typedef void (*snd_fetcher_getsamplesfloat_t) (channel_t *ch, sfx_t *sfx, int firstsampleframe, int numsampleframes, float *outsamplesfloat);
+typedef void (*snd_fetcher_stopchannel_t) (channel_t *ch);
+typedef void (*snd_fetcher_freesfx_t) (sfx_t *sfx);
struct snd_fetcher_s
{
- snd_fetcher_getsb_t getsb;
- snd_fetcher_endsb_t endsb;
- snd_fetcher_free_t free;
- snd_fetcher_getfmt_t getfmt;
+ snd_fetcher_getsamplesfloat_t getsamplesfloat;
+ snd_fetcher_stopchannel_t stopchannel;
+ snd_fetcher_freesfx_t freesfx;
};
-// 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 128
-#define MAX_CHANNELS 516
-
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;
extern cvar_t snd_streaming;
+extern cvar_t snd_streaming_length;
#define SND_CHANNELLAYOUT_AUTO 0
#define SND_CHANNELLAYOUT_STANDARD 1
#define SND_CHANNELLAYOUT_ALSA 2
extern cvar_t snd_channellayout;
-
extern int snd_blocked; // counter. When > 0, we stop submitting sound to the audio device
extern mempool_t *snd_mempool;
extern qboolean simsound;
+#define STREAM_BUFFERSIZE 16384 // in sampleframes
+
+
// ====================================================================
// 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);
-void S_LockSfx (sfx_t *sfx);
-void S_UnlockSfx (sfx_t *sfx);
-
snd_buffer_t *Snd_CreateSndBuffer (const unsigned char *samples, unsigned int sampleframes, const snd_format_t* in_format, unsigned int sb_speed);
qboolean Snd_AppendToSndBuffer (snd_buffer_t* sb, const unsigned char *samples, unsigned int sampleframes, const snd_format_t* format);
// 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
+{
+ float 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
projects / xonotic / darkplaces.git / blobdiff