Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible

[goodguy/history.git] / cinelerra-5.1 / soundtest.c

diff --git a/cinelerra-5.1/soundtest.c b/cinelerra-5.1/soundtest.c
new file mode 100644 (file)
index 0000000..b4f41ba
--- /dev/null
+++ b/cinelerra-5.1/soundtest.c
@@ -0,0 +1,170 @@
+/*
+  Broadcast 2.0 multitrack audio editing
+  (c) 1997 Heroine Virtual
+
+  This program is distributed with the intent that it will be useful, without
+  any warranty.  The code is being updated and has many bugs which are
+  constantly being elucidated so changes should not be made without notifying
+  the author.
+*/
+
+/* Run at startup to permanently allocate your DMA buffers */
+
+#include <sys/soundcard.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <math.h>
+
+int main(int argc, char *argv[])
+{
+       int dsp;
+       int duplexenable = 1;
+       audio_buf_info playinfo, recinfo;
+       int bufsize = 0x7FFF0000;
+       int fragsize;
+
+       int format = AFMT_S16_LE;
+       int channels = 2;
+       int samplerate = 44100;
+
+       if(argc < 2)
+       {
+               bufsize += 15;
+       }
+       else
+       {
+               fragsize = atol(argv[1]);
+               if(fragsize <= 0) fragsize = 32768;
+               bufsize += (long)(log(fragsize) / log(2));
+       }
+
+#ifdef USE_FULLDUPLEX
+
+       printf("*** Full duplex\n");
+
+       if((dsp = open("/dev/dsp", O_RDWR)) < 0){
+       printf("Can't open audio device.\n");
+       close(dsp);
+       return 1;
+       }
+
+       if (ioctl(dsp, SNDCTL_DSP_SETFRAGMENT, &bufsize))
+               printf("Couldn't set buffer parameters.\n");
+
+       if(duplexenable && ioctl(dsp, SNDCTL_DSP_SETDUPLEX, 0) == -1){
+               printf("Couldn't enable full duplex audio.\n");
+               duplexenable = 0;
+       }
+
+       if(ioctl(dsp, SNDCTL_DSP_SETFMT, &format) < 0)
+       printf("playback file format failed\n");
+       if(ioctl(dsp, SNDCTL_DSP_CHANNELS, &channels) < 0)
+       printf("playback channel allocation failed\n");
+       if(ioctl(dsp, SNDCTL_DSP_SPEED, &samplerate) < 0)
+       printf("playback sample rate set failed\n");
+
+       ioctl(dsp, SNDCTL_DSP_GETOSPACE, &playinfo);
+
+       printf("          fragments fragstotal fragsize   bytes  TOTAL BYTES AVAILABLE\n");
+       printf("Playback: %9d %10d %8d %7d %12d\n", playinfo.fragments, 
+               playinfo.fragstotal, playinfo.fragsize, playinfo.bytes, playinfo.bytes);
+
+       if(duplexenable)
+       {
+               if(ioctl(dsp, SNDCTL_DSP_SETFMT, &format) < 0)
+                printf("record file format failed\n");
+               if(ioctl(dsp, SNDCTL_DSP_CHANNELS, &channels) < 0)
+                printf("record channel allocation failed\n");
+               if(ioctl(dsp, SNDCTL_DSP_SPEED, &samplerate) < 0)
+                printf("record sample rate set failed\n");
+
+               ioctl(dsp, SNDCTL_DSP_GETISPACE, &recinfo);
+
+               printf("Record:   %9d %10d %8d %7d %12d\n", recinfo.fragments, 
+                       recinfo.fragstotal, recinfo.fragsize, recinfo.bytes, recinfo.fragstotal * recinfo.fragsize);
+       }
+       close(dsp);
+
+
+#endif
+
+
+       printf("\n*** Half duplex\n");
+
+  if((dsp = open("/dev/dsp", O_WRONLY)) < 0){
+    printf("Can't open audio device.\n");
+    close(dsp);
+    return 1;
+  }
+
+  if (ioctl(dsp, SNDCTL_DSP_SETFRAGMENT, &bufsize))
+       printf("Couldn't set buffer parameters.\n");
+  
+       if(duplexenable && ioctl(dsp, SNDCTL_DSP_SETDUPLEX, 0) == -1){
+               printf("Couldn't enable full duplex audio.\n");
+               duplexenable = 0;
+       }
+
+  if(ioctl(dsp, SNDCTL_DSP_SETFMT, &format) < 0)
+     printf("playback file format failed\n");
+  if(ioctl(dsp, SNDCTL_DSP_CHANNELS, &channels) < 0)
+     printf("playback channel allocation failed\n");
+  if(ioctl(dsp, SNDCTL_DSP_SPEED, &samplerate) < 0)
+     printf("playback sample rate set failed\n");
+
+  ioctl(dsp, SNDCTL_DSP_GETOSPACE, &playinfo);
+
+       printf("          fragments fragstotal fragsize   bytes  TOTAL BYTES AVAILABLE\n");
+       printf("Playback: %9d %10d %8d %7d %12d\n", playinfo.fragments, 
+               playinfo.fragstotal, playinfo.fragsize, playinfo.bytes, playinfo.bytes);
+       close(dsp);
+
+
+
+  if((dsp = open("/dev/dsp", O_RDONLY)) < 0){
+    printf("Can't open audio device.\n");
+    close(dsp);
+    return 1;
+  }
+
+  if (ioctl(dsp, SNDCTL_DSP_SETFRAGMENT, &bufsize))
+       printf("Couldn't set buffer parameters.\n");
+  
+       if(duplexenable && ioctl(dsp, SNDCTL_DSP_SETDUPLEX, 0) == -1){
+               printf("Couldn't enable full duplex audio.\n");
+               duplexenable = 0;
+       }
+
+  if(ioctl(dsp, SNDCTL_DSP_SETFMT, &format) < 0)
+     printf("playback file format failed\n");
+  if(ioctl(dsp, SNDCTL_DSP_CHANNELS, &channels) < 0)
+     printf("playback channel allocation failed\n");
+  if(ioctl(dsp, SNDCTL_DSP_SPEED, &samplerate) < 0)
+     printf("playback sample rate set failed\n");
+
+       if(ioctl(dsp, SNDCTL_DSP_SETFMT, &format) < 0)
+        printf("record file format failed\n");
+       if(ioctl(dsp, SNDCTL_DSP_CHANNELS, &channels) < 0)
+        printf("record channel allocation failed\n");
+       if(ioctl(dsp, SNDCTL_DSP_SPEED, &samplerate) < 0)
+        printf("record sample rate set failed\n");
+
+
+
+
+       ioctl(dsp, SNDCTL_DSP_GETISPACE, &recinfo);
+
+       printf("Record:   %9d %10d %8d %7d %12d\n", recinfo.fragments, 
+               recinfo.fragstotal, recinfo.fragsize, recinfo.bytes, recinfo.fragstotal * recinfo.fragsize);
+       
+  ioctl(dsp, SNDCTL_DSP_RESET);
+  close(dsp);
+  return 0;
+}
+
+
+
+