mirror of
https://github.com/thestk/stk
synced 2026-01-12 12:31:53 +00:00
116 lines
2.4 KiB
C++
116 lines
2.4 KiB
C++
/*******************************************/
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/* Raw Wave File Output Class, */
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/* by Perry R. Cook, 1995-96 */
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/* This version opens a mono NeXT .snd */
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/* file 16bit data at 22KHz, and */
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/* pokes buffers of samples into it. */
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/*******************************************/
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#include "RawWvOut.h"
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#if !defined(__SGI_REALTIME)
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/******** NeXT Soundfile Header Struct *******/
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struct headerform {
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char pref[4];
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long hdr_length;
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long file_length;
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long mode;
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long samp_rate;
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long num_channels;
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char comment[1024];
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};
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RawWvOut :: RawWvOut(char *fileName)
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{
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struct headerform hdr = {".sn",28,0,3,(long) SRATE,1,"TK"};
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hdr.pref[3] = 'd';
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fd = fopen(fileName,"wb");
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if (!fd) {
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printf("Couldn't create soundfile %s !!!!!!!!\n",fileName);
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exit(0);
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}
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fwrite(&hdr,4,7,fd);
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counter = 0;
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totalCount = 0;
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}
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RawWvOut :: ~RawWvOut()
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{
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MY_FLOAT temp;
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fwrite(data,2,counter,fd);
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fseek(fd,8,SEEK_SET);
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fwrite(&totalCount,4,1,fd);
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fclose(fd);
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temp = (double) totalCount * ONE_OVER_SRATE;
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printf("%f Seconds Computed\n",temp);
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}
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long RawWvOut :: getCounter()
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{
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return totalCount;
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}
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void RawWvOut :: tick(MY_FLOAT sample)
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{
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data[counter++] = (short) (sample * 32000.0);
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totalCount += 1;
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if (counter == BUFFER_SIZE) {
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fwrite(data,2,BUFFER_SIZE,fd);
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counter = 0;
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}
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}
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#else
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/*******************************************/
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/* SGI Real-Time Wave File Output Class, */
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/* by Perry R. Cook, 1996 */
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/* This Object can opens the SGI soundout */
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/* device, and pokes buffers of samples */
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/* into it. The real code that does the */
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/* is from Doug Scott of SGI. */
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/*******************************************/
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#include "sgio.C"
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RawWvOut :: RawWvOut(char *fileName)
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{
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int fd;
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fd = init_sound(SRATE,1);
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if (fd<0) {
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printf("Couldn't open SoundOut Device !!!!!!!!\n");
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exit(0);
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}
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counter = 0;
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}
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RawWvOut :: ~RawWvOut()
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{
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playbuf(data,counter);
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counter = 0;
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while (counter<BUFFER_SIZE) {
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data[counter++] = 0;
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}
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playbuf(data,counter);
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playbuf(data,counter);
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playbuf(data,counter);
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shuddup();
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}
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void RawWvOut :: tick(MY_FLOAT sample)
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{
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data[counter++] = (short) (sample * 32000.0);
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if (counter == BUFFER_SIZE) {
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playbuf(data,counter);
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counter = 0;
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}
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}
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#endif
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