X-Git-Url: https://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fsoundtest.c;fp=cinelerra-5.1%2Fsoundtest.c;h=b4f41ba6460bbbe61aa2a95e9989cb9962e5cb21;hb=30bdb85eb33a8ee7ba675038a86c6be59c43d7bd;hp=0000000000000000000000000000000000000000;hpb=52fcc46226f9df46f9ce9d0566dc568455a7db0b;p=goodguy%2Fhistory.git

diff --git a/cinelerra-5.1/soundtest.c b/cinelerra-5.1/soundtest.c
new file mode 100644
index 00000000..b4f41ba6
--- /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;
+}
+
+
+
+