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Annotation of quake1/snd_next.c, revision 1.1.1.1

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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