Added...

diff --git a/test/pause.c b/test/pause.c
new file mode 100644 (file)
index 0000000..d8262a6
--- /dev/null
+++ b/test/pause.c
@@ -0,0 +1,98 @@
+#include <stdio.h>
+#include <malloc.h>
+#include "../include/asoundlib.h"
+
+#define AU_FILE "/home/ftp/pub/audio/AlwaysOnTheRun.au"
+
+static void show_playback_status( void *handle )
+{
+  snd_pcm_playback_status_t pstatus;
+
+  if ( snd_pcm_playback_status( handle, &pstatus ) < 0 ) { 
+    perror( "playback status" );
+    return;
+  }
+  printf( "PCM playback status:\n" );
+  printf( "  rate = %i\n", pstatus.rate );
+  printf( "  fragments = %i\n", pstatus.fragments );
+  printf( "  fragment_size = %i\n", pstatus.fragment_size );
+  printf( "  count = %i\n", pstatus.count );
+  printf( "  queue = %i\n", pstatus.queue );
+  printf( "  underrun = %i\n", pstatus.underrun );
+  printf( "  time = %i.%i\n", (int)pstatus.time.tv_sec, (int)pstatus.time.tv_usec );
+  printf( "  stime = %i.%i\n", (int)pstatus.stime.tv_sec, (int)pstatus.stime.tv_usec );
+  printf( "  scount = %i\n", pstatus.scount );
+}
+
+void main( void )
+{
+  int card = 0, device = 0, err, fd, count, count1, size, idx;
+  void *handle;
+  snd_pcm_format_t format;
+  snd_pcm_playback_status_t status;
+  char *buffer, *buffer1;
+
+  buffer = (char *)malloc( 512 * 1024 );
+  if ( !buffer ) return;
+  if ( (err = snd_pcm_open( &handle, card, device, SND_PCM_OPEN_PLAYBACK )) < 0 ) {
+    fprintf( stderr, "open failed: %s\n", snd_strerror( err ) );
+    return;
+  }
+  format.format = SND_PCM_SFMT_MU_LAW;
+  format.rate = 8000;
+  format.channels = 1;
+  if ( (err = snd_pcm_playback_format( handle, &format )) < 0 ) {
+    fprintf( stderr, "format setup failed: %s\n", snd_strerror( err ) );
+    snd_pcm_close( handle );
+    return;
+  }
+  if ( (err = snd_pcm_playback_status( handle, &status )) < 0 ) {
+    fprintf( stderr, "status failed: %s\n", snd_strerror( err ) );
+    snd_pcm_close( handle );
+    return;
+  }
+  fd = open( AU_FILE, O_RDONLY );
+  if ( fd < 0 ) {
+   perror( "open file" );
+   snd_pcm_close( handle );
+   return;
+  } 
+  idx = 0;
+  count = read( fd, buffer, 512 * 1024 );
+  if ( count <= 0 ) {
+    perror( "read from file" );
+    snd_pcm_close( handle );
+    return;
+  }
+  close( fd );
+  if ( !memcmp( buffer, ".snd", 4 ) ) {
+    idx = (buffer[4]<<24)|(buffer[5]<<16)|(buffer[6]<<8)|(buffer[7]);
+    if ( idx > 128 ) idx = 128;
+    if ( idx > count ) idx = count;
+  }
+  buffer1 = buffer + idx;
+  count -= idx;
+  if ( count < 256 * 1024 ) {
+    perror( "small count < 256k" );
+    snd_pcm_close( handle );
+    return;
+  }
+  count1 = status.fragment_size * 12;
+  show_playback_status( handle );
+  size = snd_pcm_write( handle, buffer1, count1 );
+  sleep( 2 );
+  show_playback_status( handle );
+  printf( "Pause.. Bytes written %i from %i...\n", size, count1 );
+  count -= count1;
+  buffer1 += count1;
+  snd_pcm_playback_pause( handle, 1 );
+  show_playback_status( handle );
+  sleep( 5 );
+  printf( "Pause end..\n" );
+  snd_pcm_playback_pause( handle, 0 );
+  show_playback_status( handle );
+  size = snd_pcm_write( handle, buffer1, count );
+  printf( "Pause end.. Bytes written %i from %i...\n", size, count );
+  snd_pcm_close( handle );
+  free( buffer );
+}