X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=snd_main.h;h=97da6693a49956f478e709859a9eb9f8c39d230c;hp=5efc871977c20bc18213ad888a14013db6d66741;hb=ff37132b0137d1e241c185a73e18d6fbc3c3cdb3;hpb=6f2719e9f31ad130c0e7d5f00eb26d65f4550400 diff --git a/snd_main.h b/snd_main.h index 5efc8719..97da6693 100644 --- a/snd_main.h +++ b/snd_main.h @@ -66,9 +66,8 @@ 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 @@ -111,17 +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; @@ -142,11 +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); @@ -184,5 +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