| 48,6 → 48,8 |
|---|
| |
| #include "doomdef.h" |
| |
| #include "kolibri.h" |
| |
| // The number of internal mixing channels, |
| // the samples calculated for each mixing step, |
| // the size of the 16bit, 2 hardware channel (stereo) |
| 55,7 → 57,7 |
|---|
| |
| |
| // Needed for calling the actual sound output. |
| #define SAMPLECOUNT 512 |
| #define SAMPLECOUNT 8192 |
| #define NUM_CHANNELS 16 |
| // It is 2 for 16bit, and 2 for two channels. |
| #define BUFMUL 4 |
| 332,8 → 334,8 |
|---|
| channels[i] = 0; |
| } |
| |
| // for (i=-128 ; i<128 ; i++) |
| // steptablemid[i] = (int)(pow(2.0, (i/64.0))*65536.0); |
| for (i=-128 ; i<128 ; i++) |
| steptablemid[i] = (int)(pow(2.0, (i/64.0))*65536.0); |
| |
| // Generates volume lookup tables |
| // which also turn the unsigned samples |
| 423,6 → 425,10 |
|---|
| // |
| // This function currently supports only 16bit. |
| // |
| |
| extern DWORD hMixBuff[4]; |
| extern int mix_ptr; |
| |
| void I_UpdateSound( void ) |
| { |
| |
| 441,6 → 447,9 |
|---|
| |
| // Mixing channel index. |
| int chan; |
| int i; |
| int flags; |
| flags = 0; |
| |
| // Left and right channel |
| // are in global mixbuffer, alternating. |
| 455,7 → 464,7 |
|---|
| // Mix sounds into the mixing buffer. |
| // Loop over step*SAMPLECOUNT, |
| // that is 512 values for two channels. |
| while (leftout != leftend) |
| for (i=0; i < 8192; i++) |
| { |
| // Reset left/right value. |
| dl = 0; |
| 469,6 → 478,8 |
|---|
| // Check channel, if active. |
| if (channels[ chan ]) |
| { |
| flags=1; |
| |
| // Get the raw data from the channel. |
| sample = *channels[ chan ]; |
| // Add left and right part |
| 515,7 → 526,10 |
|---|
| leftout += step; |
| rightout += step; |
| } |
| // I_SubmitSound(mixbuffer); |
| if(flags) |
| { WaveOut(hMixBuff[mix_ptr],(char*)&mixbuffer[0],32768); |
| mix_ptr= (mix_ptr+1)&3; |
| }; |
| } |
| |
| |