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2e009e1d26
r4227 | acceptthis | 2013-02-26 16:29:38 +0000 (Tue, 26 Feb 2013) | 2 lines numerous small fixes and tweaks for the nacl+npfte ports. support for q3bsp tangent-space deluxemaps. ------------------------------------------------------------------------ git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4223 fc73d0e0-1445-4013-8a0c-d673dee63da5
119 lines
No EOL
3.1 KiB
C
119 lines
No EOL
3.1 KiB
C
#include "quakedef.h"
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#include <ppapi/c/ppb_core.h>
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#include <ppapi/c/ppb_audio.h>
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#include <ppapi/c/ppb_audio_config.h>
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extern PPB_Core *ppb_core;
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extern PPB_Audio *audio_interface;
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extern PPB_AudioConfig *audioconfig_interface;
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extern PP_Instance pp_instance;
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static PPB_Audio_Callback audio_callback;
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extern int GetSoundtime(soundcardinfo_t *sc);
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static void PPAPI_audio_callback(void *sample_buffer, uint32_t len, void *user_data)
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{
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soundcardinfo_t *sc = user_data;
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unsigned int framesz;
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if (sc)
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{
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int curtime = GetSoundtime(sc);
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framesz = sc->sn.numchannels * sc->sn.samplebits/8;
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//might as well dump it directly...
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sc->sn.buffer = sample_buffer;
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sc->sn.samples = len / (sc->sn.samplebits/8);
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S_PaintChannels (sc, curtime + (len / framesz));
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sc->sn.samples = 0;
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sc->sn.buffer = NULL;
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sc->snd_sent += len;
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}
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}
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static void PPAPI_Shutdown(soundcardinfo_t *sc)
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{
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audio_interface->StopPlayback((PP_Resource)sc->handle);
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ppb_core->ReleaseResource((PP_Resource)sc->handle);
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}
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static unsigned int PPAPI_GetDMAPos(soundcardinfo_t *sc)
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{
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sc->sn.samplepos = sc->snd_sent / (sc->sn.samplebits/8);
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return sc->sn.samplepos;
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}
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static void PPAPI_UnlockBuffer(soundcardinfo_t *sc, void *buffer)
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{
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}
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static void *PPAPI_LockBuffer(soundcardinfo_t *sc, unsigned int *sampidx)
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{
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*sampidx = 0;
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return sc->sn.buffer;
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}
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static void PPAPI_SetUnderWater(soundcardinfo_t *sc, qboolean uw)
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{
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}
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static void PPAPI_Submit(soundcardinfo_t *sc, int start, int end)
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{
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}
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int PPAPI_InitCard (soundcardinfo_t *sc, int cardnum)
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{
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PP_Resource config;
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int framecount;
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/*I'm not aware of any limits on the number of 'devices' we can create, but virtual devices on the same physical device are utterly pointless, so don't load more than one*/
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if (cardnum != 0)
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return 2;
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/*the docs say only two sample rates are allowed*/
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if (sc->sn.speed <= 44100)
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sc->sn.speed = 44100;
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else
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sc->sn.speed = 48000;
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/*we can't choose these two settings*/
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sc->sn.samplebits = 16;
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sc->sn.numchannels = 2;
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#ifdef PPB_AUDIO_CONFIG_INTERFACE_1_1
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framecount = audioconfig_interface->RecommendSampleFrameCount(pp_instance, sc->sn.speed, 2048);
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#else
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framecount = audioconfig_interface->RecommendSampleFrameCount(sc->sn.speed, 2048);
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#endif
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/*the callback paints directly into the caller's buffer, so we don't need a separate 'dma' buffer*/
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sc->selfpainting = true;
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sc->sn.samples = 0; /*framecount*/
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sc->sn.buffer = NULL;
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sc->snd_sent = 0;
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sc->sn.samplepos = 0;
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sc->Submit = PPAPI_Submit;
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sc->GetDMAPos = PPAPI_GetDMAPos;
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sc->Lock = PPAPI_LockBuffer;
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sc->Unlock = PPAPI_UnlockBuffer;
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sc->SetWaterDistortion = PPAPI_SetUnderWater;
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sc->Shutdown = PPAPI_Shutdown;
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config = audioconfig_interface->CreateStereo16Bit(pp_instance, sc->sn.speed, framecount);
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if (config)
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{
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sc->handle = (void*)audio_interface->Create(pp_instance, config, PPAPI_audio_callback, sc);
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ppb_core->ReleaseResource(config);
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if (sc->handle)
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{
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if (audio_interface->StartPlayback((PP_Resource)sc->handle))
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return 1;
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}
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}
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return 0;
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}
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int (*pPPAPI_InitCard) (soundcardinfo_t *sc, int cardnum) = &PPAPI_InitCard; |