// 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.
- // A SFX with no lock, no SFXFLAG_PERMANENTLOCK, and not precached after a level change is freed
-
+ snd_format_t format; // format describing the audio data that fetcher->getsamplesfloat will return
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
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
- int pos; // sample position in sfx, negative values delay the start of the sound playback
- 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) (void *sfxfetcher, void **chfetcherpointer, unsigned int *start, unsigned int nbsampleframes);
-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);
+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;
};
extern unsigned int total_channels;
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
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];
+#define STREAM_BUFFERSIZE 16384 // in sampleframes
// ====================================================================
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);
// exported for capturevideo so ogg can see all channels
typedef struct portable_samplepair_s
{
- int sample[SND_LISTENERS];
+ float sample[SND_LISTENERS];
} portable_sampleframe_t;
typedef struct listener_s
projects / xonotic / darkplaces.git / blobdiff