From d34041569e71fc9bd772354e94dc9d16061072a5 Mon Sep 17 00:00:00 2001
From: arpi_esp <arpi_esp@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Sat, 24 Feb 2001 20:28:24 +0000
Subject: Initial revision

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 linux/getch2.c   | 215 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 linux/getch2.h   |  20 ++++++
 linux/keycodes.h |  36 ++++++++++
 linux/shmem.c    |  83 +++++++++++++++++++++
 linux/shmem.h    |   4 ++
 linux/timer-lx.c |  49 +++++++++++++
 linux/timer.h    |   6 ++
 7 files changed, 413 insertions(+)
 create mode 100644 linux/getch2.c
 create mode 100644 linux/getch2.h
 create mode 100644 linux/keycodes.h
 create mode 100644 linux/shmem.c
 create mode 100644 linux/shmem.h
 create mode 100644 linux/timer-lx.c
 create mode 100644 linux/timer.h

(limited to 'linux')

diff --git a/linux/getch2.c b/linux/getch2.c
new file mode 100644
index 0000000000..628d225170
--- /dev/null
+++ b/linux/getch2.c
@@ -0,0 +1,215 @@
+/* GyS-TermIO v2.0 (for GySmail v3)          (C) 1999 A'rpi/ESP-team */
+
+#include "../config.h"
+
+//#define USE_TERMCAP
+#define USE_IOCTL
+
+#define MAX_KEYS 64
+#define BUF_LEN 256
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#ifdef USE_IOCTL
+#include <sys/ioctl.h>
+#endif
+#include <sys/termios.h>
+#include <unistd.h>
+
+#include "keycodes.h"
+
+static struct termios tio_orig;
+static int getch2_len=0;
+static char getch2_buf[BUF_LEN];
+
+int screen_width=80;
+int screen_height=24;
+
+typedef struct {
+  int len;
+  int code;
+  char chars[8];
+} keycode_st;
+static keycode_st getch2_keys[MAX_KEYS];
+static int getch2_key_db=0;
+
+#ifdef USE_TERMCAP
+
+#if 0
+#include <termcap.h>
+#else
+  extern int tgetent (char *BUFFER, char *TERMTYPE);
+  extern int tgetnum (char *NAME);
+  extern int tgetflag (char *NAME);
+  extern char *tgetstr (char *NAME, char **AREA);
+#endif
+
+static char term_buffer[4096];
+static char term_buffer2[4096];
+static char *term_p=term_buffer2;
+
+static void termcap_add(char *id,int code){
+char *p=tgetstr(id,&term_p);
+  if(!p) return;
+  if(getch2_key_db>=MAX_KEYS) return;
+  getch2_keys[getch2_key_db].len=strlen(p);
+  strncpy(getch2_keys[getch2_key_db].chars,p,8);
+  getch2_keys[getch2_key_db].code=code;
+  ++getch2_key_db;
+/*  printf("%s=%s\n",id,p); */
+}
+
+static int success=0;
+
+int load_termcap(char *termtype){
+  if(!termtype) termtype=getenv("TERM");
+  success=tgetent(term_buffer, termtype);
+  if(success<0){ printf("Could not access the 'termcap' data base.\n"); return 0; }
+  if(success==0){ printf("Terminal type `%s' is not defined.\n", termtype);return 0;}
+
+  screen_width=tgetnum("co");
+  screen_height=tgetnum("li");
+  if(screen_width<1 || screen_width>255) screen_width=80;
+  if(screen_height<1 || screen_height>255) screen_height=24;
+
+  termcap_add("kP",KEY_PGUP);
+  termcap_add("kN",KEY_PGDWN);
+  termcap_add("kh",KEY_HOME);
+  termcap_add("kH",KEY_END);
+  termcap_add("kI",KEY_INS);
+  termcap_add("kD",KEY_DEL);
+  termcap_add("kb",KEY_BS);
+  termcap_add("kl",KEY_LEFT);
+  termcap_add("kd",KEY_DOWN);
+  termcap_add("ku",KEY_UP);
+  termcap_add("kr",KEY_RIGHT);
+  termcap_add("k0",KEY_F+0);
+  termcap_add("k1",KEY_F+1);
+  termcap_add("k2",KEY_F+2);
+  termcap_add("k3",KEY_F+3);
+  termcap_add("k4",KEY_F+4);
+  termcap_add("k5",KEY_F+5);
+  termcap_add("k6",KEY_F+6);
+  termcap_add("k7",KEY_F+7);
+  termcap_add("k8",KEY_F+8);
+  termcap_add("k9",KEY_F+9);
+  termcap_add("k;",KEY_F+10);
+  return getch2_key_db;
+}
+
+#endif
+
+void get_screen_size(){
+#ifdef USE_IOCTL
+  struct winsize ws;
+  if (ioctl(0, TIOCGWINSZ, &ws) < 0 || !ws.ws_row || !ws.ws_col) return;
+/*  printf("Using IOCTL\n"); */
+  screen_width=ws.ws_col;
+  screen_height=ws.ws_row;
+#endif
+}
+
+int getch2(int time){
+  int len=0;
+  int code=0;
+  int i=0;
+
+  while(!getch2_len || (getch2_len==1 && getch2_buf[0]==27)){
+    fd_set rfds;
+    struct timeval tv;
+    int retval;
+    /* Watch stdin (fd 0) to see when it has input. */
+    FD_ZERO(&rfds); FD_SET(0,&rfds);
+    /* Wait up to 'time' microseconds. */
+    tv.tv_sec=time/1000; tv.tv_usec = (time%1000)*1000;
+    retval=select(1, &rfds, NULL, NULL, &tv);
+    if(!retval) return -1;
+    /* Data is available now. */
+    retval=read(0,&getch2_buf[getch2_len],BUF_LEN-getch2_len);
+    if(retval<1) return -1;
+    getch2_len+=retval;
+  }
+
+    /* First find in the TERMCAP database: */
+    for(i=0;i<getch2_key_db;i++){
+      if((len=getch2_keys[i].len)<=getch2_len)
+        if(memcmp(getch2_keys[i].chars,getch2_buf,len)==0){
+          code=getch2_keys[i].code; goto found;
+        }
+    }
+    len=1;code=getch2_buf[0];
+    /* Check the well-known codes... */
+    if(code!=27){
+      if(code=='A'-64){ code=KEY_HOME; goto found;}
+      if(code=='E'-64){ code=KEY_END; goto found;}
+      if(code=='D'-64){ code=KEY_DEL; goto found;}
+      if(code=='H'-64){ code=KEY_BS; goto found;}
+      if(code=='U'-64){ code=KEY_PGUP; goto found;}
+      if(code=='V'-64){ code=KEY_PGDWN; goto found;}
+      if(code==8 || code==127){ code=KEY_BS; goto found;}
+      if(code==10 || code==13){
+        if(getch2_len>1){
+          int c=getch2_buf[1];
+          if(c==10 || c==13) if(c!=code) len=2;
+        }
+        code=KEY_ENTER;
+        goto found;
+      }
+    } else if(getch2_len>1){
+      int c=getch2_buf[1];
+      if(c==27){ code=KEY_ESC; len=2; goto found;}
+      if(c>='0' && c<='9'){ code=c-'0'+KEY_F; len=2; goto found;}
+      if(getch2_len>=4 && c=='[' && getch2_buf[2]=='['){
+        int c=getch2_buf[3];
+        if(c>='A' && c<'A'+12){ code=KEY_F+1+c-'A';len=4;goto found;}
+      }
+      if(c=='[' || c=='O') if(getch2_len>=3){
+        int c=getch2_buf[2];
+        static short int ctable[]={ KEY_UP,KEY_DOWN,KEY_RIGHT,KEY_LEFT,0,
+                       KEY_END,KEY_PGDWN,KEY_HOME,KEY_PGUP,0,0,KEY_INS,0,0,0,
+                       KEY_F+1,KEY_F+2,KEY_F+3,KEY_F+4};
+        if(c>='A' && c<='S')
+          if(ctable[c-'A']){ code=ctable[c-'A']; len=3; goto found;}
+      }
+      if(getch2_len>=4 && c=='[' && getch2_buf[3]=='~'){
+        int c=getch2_buf[2];
+        int ctable[8]={KEY_HOME,KEY_INS,KEY_DEL,KEY_END,KEY_PGUP,KEY_PGDWN,KEY_HOME,KEY_END};
+        if(c>='1' && c<='8'){ code=ctable[c-'1']; len=4; goto found;}
+      }
+      if(getch2_len>=5 && c=='[' && getch2_buf[4]=='~'){
+        int i=getch2_buf[2]-'0';
+        int j=getch2_buf[3]-'0';
+        if(i>=0 && i<=9 && j>=0 && j<=9){
+          static short int ftable[20]={
+            11,12,13,14,15, 17,18,19,20,21,
+            23,24,25,26,28, 29,31,32,33,34 };
+          int a=i*10+j;
+          for(i=0;i<20;i++) if(ftable[i]==a){ code=KEY_F+1+i;len=5;goto found;}
+        }
+      }
+    }
+found:
+  if((getch2_len-=len)>0){
+    int i;
+    for(i=0;i<getch2_len;i++) getch2_buf[i]=getch2_buf[len+i];
+  }
+  return code;
+}
+
+void getch2_enable(){
+struct termios tio_new;
+    ioctl(0,TCGETS,&tio_orig); /*  tcgetattr(0,&tio_orig); */
+    tio_new=tio_orig;
+    tio_new.c_lflag &= ~(ICANON|ECHO); /* Clear ICANON and ECHO. */
+    tio_new.c_cc[VMIN] = 1;
+    tio_new.c_cc[VTIME] = 0;
+    ioctl(0,TCSETS,&tio_new); /*   tcsetattr(0,TCSANOW,&tio_new); */
+}
+
+void getch2_disable(){
+    ioctl(0,TCSETS,&tio_orig); /*   tcsetattr(0,TCSANOW,&tio_orig); */
+}
+
diff --git a/linux/getch2.h b/linux/getch2.h
new file mode 100644
index 0000000000..016de5ae9e
--- /dev/null
+++ b/linux/getch2.h
@@ -0,0 +1,20 @@
+/* GyS-TermIO v2.0 (for GySmail v3)          (C) 1999 A'rpi/ESP-team */
+/* a very small replacement of ncurses library */
+
+/* Screen size. Initialized by load_termcap() and get_screen_size() */
+extern int screen_width;
+extern int screen_height;
+
+/* Get screen-size using IOCTL call. */
+extern void get_screen_size();
+
+/* Load key definitions from the TERMCAP database. 'termtype' can be NULL */
+extern int load_termcap(char *termtype);
+
+/* Enable and disable STDIN line-buffering */
+extern void getch2_enable();
+extern void getch2_disable();
+
+/* Read a character or a special key code (see keycodes.h) */
+extern int getch2(int halfdelay_time);
+
diff --git a/linux/keycodes.h b/linux/keycodes.h
new file mode 100644
index 0000000000..e0b963535c
--- /dev/null
+++ b/linux/keycodes.h
@@ -0,0 +1,36 @@
+/*  KEY code definitions for GyS-TermIO v2.0  (C) 1999 A'rpi/ESP-team */
+
+#define KEY_ENTER 13
+#define KEY_TAB 9
+
+#define KEY_BASE 0x100
+
+/*  Function keys  */
+#define KEY_F (KEY_BASE+64)
+
+/* Control keys */
+#define KEY_CTRL (KEY_BASE)
+#define KEY_BACKSPACE (KEY_CTRL+0)
+#define KEY_DELETE (KEY_CTRL+1)
+#define KEY_INSERT (KEY_CTRL+2)
+#define KEY_HOME (KEY_CTRL+3)
+#define KEY_END (KEY_CTRL+4)
+#define KEY_PAGE_UP (KEY_CTRL+5)
+#define KEY_PAGE_DOWN (KEY_CTRL+6)
+#define KEY_ESC (KEY_CTRL+7)
+
+/* Control keys short name */
+#define KEY_BS KEY_BACKSPACE
+#define KEY_DEL KEY_DELETE
+#define KEY_INS KEY_INSERT
+#define KEY_PGUP KEY_PAGE_UP
+#define KEY_PGDOWN KEY_PAGE_DOWN
+#define KEY_PGDWN KEY_PAGE_DOWN
+
+/* Cursor movement */
+#define KEY_CRSR (KEY_BASE+16)
+#define KEY_RIGHT (KEY_CRSR+0)
+#define KEY_LEFT (KEY_CRSR+1)
+#define KEY_DOWN (KEY_CRSR+2)
+#define KEY_UP (KEY_CRSR+3)
+
diff --git a/linux/shmem.c b/linux/shmem.c
new file mode 100644
index 0000000000..7563175fb0
--- /dev/null
+++ b/linux/shmem.c
@@ -0,0 +1,83 @@
+/*
+ *   shmem.c - Shared memory allocation
+ *   
+ *   based on mpg123's xfermem.c by
+ *   Oliver Fromme  <oliver.fromme@heim3.tu-clausthal.de>
+ *   Sun Apr  6 02:26:26 MET DST 1997
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/uio.h>
+#include <sys/mman.h>
+#include <sys/socket.h>
+#include <fcntl.h>
+
+#ifdef AIX
+#include <sys/select.h>
+#endif
+
+#include <sys/ipc.h>
+#include <sys/shm.h>
+
+extern int errno;
+
+#if defined(MAP_ANONYMOUS) && !defined(MAP_ANON)
+#define MAP_ANON MAP_ANONYMOUS
+#endif
+
+static int shmem_type=0;
+
+void* shmem_alloc(int size){
+void* p;
+int devzero;
+while(1){
+  switch(shmem_type){
+  case 0:  // ========= MAP_ANON|MAP_SHARED ==========
+    p=mmap(0,size,PROT_READ|PROT_WRITE,MAP_ANON|MAP_SHARED,-1,0);
+    if(p==MAP_FAILED) break; // failed
+    printf("shmem: %d bytes allocated using mmap anon (%X)\n",size,p);
+    return p;
+  case 1:  // ========= MAP_SHARED + /dev/zero ==========
+	  if ((devzero = open("/dev/zero", O_RDWR, 0)) == -1) break;
+    p=mmap(0,size,PROT_READ|PROT_WRITE,MAP_SHARED,devzero,0);
+    if(p==MAP_FAILED) break; // failed
+    printf("shmem: %d bytes allocated using mmap /dev/zero (%X)\n",size,p);
+    return p;
+  case 2: { // ========= shmget() ==========
+    struct shmid_ds shmemds;
+    int shmemid;
+    if ((shmemid = shmget(IPC_PRIVATE, size, IPC_CREAT | 0600)) == -1) break;
+    if ((int)(p = shmat(shmemid, 0, 0)) == -1){
+      perror ("shmat()");
+      shmctl (shmemid, IPC_RMID, &shmemds);
+      break;
+    }
+    if (shmctl(shmemid, IPC_RMID, &shmemds) == -1) {
+      perror ("shmctl()");
+      if (shmdt(p) == -1) perror ("shmdt()");
+      break;
+    }
+    printf("shmem: %d bytes allocated using shmget() & shmat() (%X)\n",size,p);
+    return p;
+	}
+  default:
+    printf("FATAL: Cannot alloate %d bytes shared memory :(\n",size);
+    return NULL;
+  }
+  ++shmem_type;
+}
+}
+
+void shmem_free(void* p){
+  switch(shmem_type){
+    case 2:
+	    if (shmdt(p) == -1) perror ("shmdt()");
+      break;
+  }
+}
diff --git a/linux/shmem.h b/linux/shmem.h
new file mode 100644
index 0000000000..58ceee4e44
--- /dev/null
+++ b/linux/shmem.h
@@ -0,0 +1,4 @@
+
+void* shmem_alloc(int size);
+void shmem_free(void* p);
+
diff --git a/linux/timer-lx.c b/linux/timer-lx.c
new file mode 100644
index 0000000000..0460aaa024
--- /dev/null
+++ b/linux/timer-lx.c
@@ -0,0 +1,49 @@
+// Precise timer routines for LINUX  (C) LGB & A'rpi/ASTRAL
+
+#include <unistd.h>
+#include <sys/time.h>
+
+// Returns current time in seconds
+unsigned int GetTimer(){
+  struct timeval tv;
+  struct timezone tz;
+//  float s;
+  gettimeofday(&tv,&tz);
+//  s=tv.tv_usec;s*=0.000001;s+=tv.tv_sec;
+  return (tv.tv_sec*1000000+tv.tv_usec);
+}  
+
+// Returns current time in microseconds
+int uGetTimer(){
+  struct timeval tv;
+  struct timezone tz;
+  gettimeofday(&tv,&tz);
+  return (int)(tv.tv_usec+1000000*tv.tv_sec);
+}  
+
+static unsigned int RelativeTime=0;
+
+// Returns time spent between now and last call in seconds
+float GetRelativeTime(){
+unsigned int t,r;
+  t=GetTimer();
+//  t*=16;printf("time=%ud\n",t);
+  r=t-RelativeTime;
+  RelativeTime=t;
+  return (float)r * 0.000001F;
+}
+
+// Initialize timer, must be called at least once at start
+void InitTimer(){
+  GetRelativeTime();
+}
+
+
+#if 0
+void main(){
+  float t=0;
+  InitTimer();
+  while(1){ t+=GetRelativeTime();printf("time= %10.6f\r",t);fflush(stdout); }
+}
+#endif
+
diff --git a/linux/timer.h b/linux/timer.h
new file mode 100644
index 0000000000..8348a6cf7b
--- /dev/null
+++ b/linux/timer.h
@@ -0,0 +1,6 @@
+
+void InitTimer();
+int GetTimer();
+//int uGetTimer();
+float GetRelativeTime();
+
-- 
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