added io files

git-svn-id: https://mlt.svn.sourceforge.net/svnroot/mlt/trunk/mlt@22 d19143bc-622f-0410-bfdd-b5b2a6649095

diff --git a/mlt/src/tests/io.c b/mlt/src/tests/io.c
new file mode 100644 (file)
index 0000000..1662204
--- /dev/null
+++ b/mlt/src/tests/io.c
@@ -0,0 +1,208 @@
+/*
+ * io.c -- dv1394d client demo input/output
+ * Copyright (C) 2002-2003 Ushodaya Enterprises Limited
+ * Author: Charles Yates <charles.yates@pandora.be>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+/* System header files */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <termios.h>
+#include <unistd.h>
+
+/* Application header files */
+#include "io.h"
+
+char *chomp( char *input )
+{
+       if ( input != NULL )
+       {
+               int length = strlen( input );
+               if ( length && input[ length - 1 ] == '\n' )
+                       input[ length - 1 ] = '\0';
+               if ( length > 1 && input[ length - 2 ] == '\r' )
+                       input[ length - 2 ] = '\0';
+       }
+       return input;
+}
+
+char *trim( char *input )
+{
+       if ( input != NULL )
+       {
+               int length = strlen( input );
+               int first = 0;
+               while( first < length && isspace( input[ first ] ) )
+                       first ++;
+               memmove( input, input + first, length - first + 1 );
+               length = length - first;
+               while ( length > 0 && isspace( input[ length - 1 ] ) )
+                       input[ -- length ] = '\0';
+       }
+       return input;
+}
+
+char *strip_quotes( char *input )
+{
+       if ( input != NULL )
+       {
+               char *ptr = strrchr( input, '\"' );
+               if ( ptr != NULL )
+                       *ptr = '\0';
+               if ( input[ 0 ] == '\"' )
+                       strcpy( input, input + 1 );
+       }
+       return input;
+}
+
+char *get_string( char *output, int maxlength, char *use )
+{
+       char *value = NULL;
+       strcpy( output, use );
+       if ( trim( chomp( fgets( output, maxlength, stdin ) ) ) != NULL )
+       {
+               if ( !strcmp( output, "" ) )
+                       strcpy( output, use );
+               value = output;
+       }
+       return value;
+}
+
+int *get_int( int *output, int use )
+{
+       int *value = NULL;
+       char temp[ 132 ];
+       *output = use;
+       if ( trim( chomp( fgets( temp, 132, stdin ) ) ) != NULL )
+       {
+               if ( strcmp( temp, "" ) )
+                       *output = atoi( temp );
+               value = output;
+       }
+       return value;
+}
+
+/** This stores the previous settings
+*/
+
+static struct termios oldtty;
+static int mode = 0;
+
+/** This is called automatically on application exit to restore the 
+       previous tty settings.
+*/
+
+void term_exit(void)
+{
+       if ( mode == 1 )
+       {
+               tcsetattr( 0, TCSANOW, &oldtty );
+               mode = 0;
+       }
+}
+
+/** Init terminal so that we can grab keys without blocking.
+*/
+
+void term_init( )
+{
+       struct termios tty;
+
+       tcgetattr( 0, &tty );
+       oldtty = tty;
+
+       tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
+       tty.c_oflag |= OPOST;
+       tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
+       tty.c_cflag &= ~(CSIZE|PARENB);
+       tty.c_cflag |= CS8;
+       tty.c_cc[ VMIN ] = 1;
+       tty.c_cc[ VTIME ] = 0;
+    
+       tcsetattr( 0, TCSANOW, &tty );
+
+       mode = 1;
+
+       atexit( term_exit );
+}
+
+/** Check for a keypress without blocking infinitely.
+       Returns: ASCII value of keypress or -1 if no keypress detected.
+*/
+
+int term_read( )
+{
+    int n = 1;
+    unsigned char ch;
+    struct timeval tv;
+    fd_set rfds;
+
+    FD_ZERO( &rfds );
+    FD_SET( 0, &rfds );
+    tv.tv_sec = 1;
+    tv.tv_usec = 0;
+    n = select( 1, &rfds, NULL, NULL, &tv );
+    if (n > 0) 
+       {
+        n = read( 0, &ch, 1 );
+               tcflush( 0, TCIFLUSH );
+        if (n == 1)
+            return ch;
+        return n;
+    }
+    return -1;
+}
+
+char get_keypress( )
+{
+       char value = '\0';
+       int pressed = 0;
+
+       fflush( stdout );
+
+       term_init( );
+       while ( ( pressed = term_read( ) ) == -1 ) ;
+       term_exit( );
+
+       value = (char)pressed;
+
+       return value;
+}
+
+void wait_for_any_key( char *message )
+{
+       if ( message == NULL )
+               printf( "Press any key to continue: " );
+       else
+               printf( "%s", message );
+
+       get_keypress( );
+
+       printf( "\n\n" );
+}
+
+void beep( )
+{
+       printf( "%c", 7 );
+       fflush( stdout );
+}

diff --git a/mlt/src/tests/io.h b/mlt/src/tests/io.h
new file mode 100644 (file)
index 0000000..f97e69e
--- /dev/null
+++ b/mlt/src/tests/io.h
@@ -0,0 +1,45 @@
+/*
+ * io.h -- dv1394d client demo input/output
+ * Copyright (C) 2002-2003 Ushodaya Enterprises Limited
+ * Author: Charles Yates <charles.yates@pandora.be>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef _DEMO_IO_H_
+#define _DEMO_IO_H_
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+extern char *chomp( char * );
+extern char *trim( char * );
+extern char *strip_quotes( char * );
+extern char *get_string( char *, int, char * );
+extern int *get_int( int *, int );
+extern void term_init( );
+extern int term_read( );
+extern void term_exit( );
+extern char get_keypress( );
+extern void wait_for_any_key( char * );
+extern void beep( );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

diff --git a/src/tests/io.c b/src/tests/io.c
new file mode 100644 (file)
index 0000000..1662204
--- /dev/null
+++ b/src/tests/io.c
@@ -0,0 +1,208 @@
+/*
+ * io.c -- dv1394d client demo input/output
+ * Copyright (C) 2002-2003 Ushodaya Enterprises Limited
+ * Author: Charles Yates <charles.yates@pandora.be>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+/* System header files */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <termios.h>
+#include <unistd.h>
+
+/* Application header files */
+#include "io.h"
+
+char *chomp( char *input )
+{
+       if ( input != NULL )
+       {
+               int length = strlen( input );
+               if ( length && input[ length - 1 ] == '\n' )
+                       input[ length - 1 ] = '\0';
+               if ( length > 1 && input[ length - 2 ] == '\r' )
+                       input[ length - 2 ] = '\0';
+       }
+       return input;
+}
+
+char *trim( char *input )
+{
+       if ( input != NULL )
+       {
+               int length = strlen( input );
+               int first = 0;
+               while( first < length && isspace( input[ first ] ) )
+                       first ++;
+               memmove( input, input + first, length - first + 1 );
+               length = length - first;
+               while ( length > 0 && isspace( input[ length - 1 ] ) )
+                       input[ -- length ] = '\0';
+       }
+       return input;
+}
+
+char *strip_quotes( char *input )
+{
+       if ( input != NULL )
+       {
+               char *ptr = strrchr( input, '\"' );
+               if ( ptr != NULL )
+                       *ptr = '\0';
+               if ( input[ 0 ] == '\"' )
+                       strcpy( input, input + 1 );
+       }
+       return input;
+}
+
+char *get_string( char *output, int maxlength, char *use )
+{
+       char *value = NULL;
+       strcpy( output, use );
+       if ( trim( chomp( fgets( output, maxlength, stdin ) ) ) != NULL )
+       {
+               if ( !strcmp( output, "" ) )
+                       strcpy( output, use );
+               value = output;
+       }
+       return value;
+}
+
+int *get_int( int *output, int use )
+{
+       int *value = NULL;
+       char temp[ 132 ];
+       *output = use;
+       if ( trim( chomp( fgets( temp, 132, stdin ) ) ) != NULL )
+       {
+               if ( strcmp( temp, "" ) )
+                       *output = atoi( temp );
+               value = output;
+       }
+       return value;
+}
+
+/** This stores the previous settings
+*/
+
+static struct termios oldtty;
+static int mode = 0;
+
+/** This is called automatically on application exit to restore the 
+       previous tty settings.
+*/
+
+void term_exit(void)
+{
+       if ( mode == 1 )
+       {
+               tcsetattr( 0, TCSANOW, &oldtty );
+               mode = 0;
+       }
+}
+
+/** Init terminal so that we can grab keys without blocking.
+*/
+
+void term_init( )
+{
+       struct termios tty;
+
+       tcgetattr( 0, &tty );
+       oldtty = tty;
+
+       tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
+       tty.c_oflag |= OPOST;
+       tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
+       tty.c_cflag &= ~(CSIZE|PARENB);
+       tty.c_cflag |= CS8;
+       tty.c_cc[ VMIN ] = 1;
+       tty.c_cc[ VTIME ] = 0;
+    
+       tcsetattr( 0, TCSANOW, &tty );
+
+       mode = 1;
+
+       atexit( term_exit );
+}
+
+/** Check for a keypress without blocking infinitely.
+       Returns: ASCII value of keypress or -1 if no keypress detected.
+*/
+
+int term_read( )
+{
+    int n = 1;
+    unsigned char ch;
+    struct timeval tv;
+    fd_set rfds;
+
+    FD_ZERO( &rfds );
+    FD_SET( 0, &rfds );
+    tv.tv_sec = 1;
+    tv.tv_usec = 0;
+    n = select( 1, &rfds, NULL, NULL, &tv );
+    if (n > 0) 
+       {
+        n = read( 0, &ch, 1 );
+               tcflush( 0, TCIFLUSH );
+        if (n == 1)
+            return ch;
+        return n;
+    }
+    return -1;
+}
+
+char get_keypress( )
+{
+       char value = '\0';
+       int pressed = 0;
+
+       fflush( stdout );
+
+       term_init( );
+       while ( ( pressed = term_read( ) ) == -1 ) ;
+       term_exit( );
+
+       value = (char)pressed;
+
+       return value;
+}
+
+void wait_for_any_key( char *message )
+{
+       if ( message == NULL )
+               printf( "Press any key to continue: " );
+       else
+               printf( "%s", message );
+
+       get_keypress( );
+
+       printf( "\n\n" );
+}
+
+void beep( )
+{
+       printf( "%c", 7 );
+       fflush( stdout );
+}

diff --git a/src/tests/io.h b/src/tests/io.h
new file mode 100644 (file)
index 0000000..f97e69e
--- /dev/null
+++ b/src/tests/io.h
@@ -0,0 +1,45 @@
+/*
+ * io.h -- dv1394d client demo input/output
+ * Copyright (C) 2002-2003 Ushodaya Enterprises Limited
+ * Author: Charles Yates <charles.yates@pandora.be>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef _DEMO_IO_H_
+#define _DEMO_IO_H_
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+extern char *chomp( char * );
+extern char *trim( char * );
+extern char *strip_quotes( char * );
+extern char *get_string( char *, int, char * );
+extern int *get_int( int *, int );
+extern void term_init( );
+extern int term_read( );
+extern void term_exit( );
+extern char get_keypress( );
+extern void wait_for_any_key( char * );
+extern void beep( );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif