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Annotation of quake1/snd_next.c, revision 1.1

1.1     ! root        1: 
        !             2: #include "quakedef.h"
        !             3: 
        !             4: extern int desired_speed;
        !             5: extern int desired_bits;
        !             6: 
        !             7: qboolean SNDDMA_Init(void)
        !             8: {
        !             9:        int size;
        !            10: 
        !            11:        size = 16384 + sizeof(dma_t);
        !            12:        shm = malloc (size);
        !            13:        memset((void*)shm, 0, size);
        !            14: 
        !            15:        shm->buffer = (char*)shm + sizeof(dma_t);
        !            16:        shm->channels = 2;
        !            17:        shm->speed = desired_speed;
        !            18:        shm->samplebits = desired_bits;
        !            19:        shm->samples = 16384 / (desired_bits / 8);
        !            20:        shm->submission_chunk = 1;
        !            21: 
        !            22:        return true;
        !            23: }
        !            24: 
        !            25: // return the current sample position (in mono samples read)
        !            26: // inside the recirculating dma buffer
        !            27: int SNDDMA_GetDMAPos(void)
        !            28: {
        !            29:        shm->samplepos = (int)(realtime*shm->speed*shm->channels) & (shm->samples-1);
        !            30:        
        !            31:        return shm->samplepos;
        !            32: }
        !            33: 
        !            34: void SNDDMA_Shutdown(void)
        !            35: {
        !            36: }

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