[MPlayer-cvslog] r30819 - in trunk: configure stream/stream_vcd.c stream/vcd_read_os2.h

komh subversion at mplayerhq.hu
Wed Mar 3 15:32:30 CET 2010


Author: komh
Date: Wed Mar  3 15:32:29 2010
New Revision: 30819

Log:
Add a VCD support for OS/2

Added:
   trunk/stream/vcd_read_os2.h
Modified:
   trunk/configure
   trunk/stream/stream_vcd.c

Modified: trunk/configure
==============================================================================
--- trunk/configure	Tue Mar  2 20:57:17 2010	(r30818)
+++ trunk/configure	Wed Mar  3 15:32:29 2010	(r30819)
@@ -6113,7 +6113,7 @@ fi
 echocheck "VCD support"
 if test "$_vcd" = auto; then
   _vcd=no
-  if linux || freebsd || netbsd || openbsd || dragonfly || bsdos || darwin || sunos; then
+  if linux || freebsd || netbsd || openbsd || dragonfly || bsdos || darwin || sunos || os2; then
     _vcd=yes
   elif mingw32; then
     cat > $TMPC << EOF

Modified: trunk/stream/stream_vcd.c
==============================================================================
--- trunk/stream/stream_vcd.c	Tue Mar  2 20:57:17 2010	(r30818)
+++ trunk/stream/stream_vcd.c	Wed Mar  3 15:32:29 2010	(r30819)
@@ -22,6 +22,8 @@
 #include <windows.h>
 #endif
 
+#include "osdep/osdep.h"
+
 #include "mp_msg.h"
 #include "stream.h"
 #include "help_mp.h"
@@ -42,6 +44,8 @@
 #include "vcd_read_darwin.h"
 #elif defined(__MINGW32__) || defined(__CYGWIN__)
 #include "vcd_read_win32.h"
+#elif defined(__OS2__)
+#include "vcd_read_os2.h"
 #else
 #include "vcd_read.h"
 #endif
@@ -102,6 +106,12 @@ static int open_s(stream_t *stream,int m
   HANDLE hd;
   char device[] = "\\\\.\\?:";
 #endif
+#if defined(__OS2__)
+  char device[] = "X:";
+  HFILE hcd;
+  ULONG ulAction;
+  ULONG rc;
+#endif
 
   if(mode != STREAM_READ
 #if defined(__MINGW32__) || defined(__CYGWIN__)
@@ -125,6 +135,13 @@ static int open_s(stream_t *stream,int m
   hd = CreateFile(device, GENERIC_READ, FILE_SHARE_READ, NULL,
 	  OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL);
   f = _open_osfhandle((long)hd, _O_RDONLY);
+#elif defined(__OS2__)
+  device[0] = p->device[0];
+  rc = DosOpen(device, &hcd, &ulAction, 0, FILE_NORMAL,
+               OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_FAIL_IF_NEW,
+               OPEN_ACCESS_READONLY | OPEN_SHARE_DENYNONE | OPEN_FLAGS_DASD,
+               NULL);
+  f = rc ? -1 : hcd;
 #else
   f=open(p->device,O_RDONLY);
 #endif

Added: trunk/stream/vcd_read_os2.h
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ trunk/stream/vcd_read_os2.h	Wed Mar  3 15:32:29 2010	(r30819)
@@ -0,0 +1,237 @@
+/*
+ * implementation of VCD IO for OS/2
+ *
+ * Copyright (c) 2009 KO Myung-Hun (komh at chollian.net)
+ *
+ * This file is part of MPlayer.
+ *
+ * MPlayer 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.
+ *
+ * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPLAYER_VCD_READ_OS2_H
+#define MPLAYER_VCD_READ_OS2_H
+
+#include "mp_msg.h"
+
+struct __attribute__((packed)) msf {
+    BYTE bFrame;
+    BYTE bSecond;
+    BYTE bMinute;
+    BYTE bReserved;
+};
+
+typedef struct {
+    HFILE      hcd;
+    struct msf msfCurrent;
+    int        iFirstTrack;
+    int        iLastTrack;
+    struct msf msfLeadOut;
+    BYTE       abVCDSector[VCD_SECTOR_SIZE];
+} mp_vcd_priv_t;
+
+static inline void vcd_set_msf(mp_vcd_priv_t *vcd, unsigned sect)
+{
+    sect += 150;
+    vcd->msfCurrent.bFrame = sect % 75;
+    sect = sect / 75;
+    vcd->msfCurrent.bSecond = sect % 60;
+    sect = sect / 60;
+    vcd->msfCurrent.bMinute = sect;
+}
+
+static inline unsigned vcd_get_msf(mp_vcd_priv_t *vcd)
+{
+  return vcd->msfCurrent.bFrame  +
+        (vcd->msfCurrent.bSecond + vcd->msfCurrent.bMinute * 60) * 75 - 150;
+}
+
+int vcd_seek_to_track(mp_vcd_priv_t *vcd, int track)
+{
+    struct {
+        UCHAR auchSign[4];
+        BYTE  bTrack;
+    } __attribute__((packed)) sParam = {{'C', 'D', '0', '1'},};
+
+    struct {
+        struct msf msfStart;
+        BYTE       bControlInfo;
+    } __attribute__((packed)) sData;
+
+    ULONG ulParamLen;
+    ULONG ulDataLen;
+    ULONG rc;
+
+    sParam.bTrack = track;
+    rc = DosDevIOCtl(vcd->hcd, IOCTL_CDROMAUDIO, CDROMAUDIO_GETAUDIOTRACK,
+                     &sParam, sizeof(sParam), &ulParamLen,
+                     &sData, sizeof(sData), &ulDataLen);
+    if (rc) {
+        mp_msg(MSGT_STREAM, MSGL_ERR, "DosDevIOCtl(GETAUDIOTRACK) = 0x%lx\n", rc);
+        return -1;
+    }
+
+    vcd->msfCurrent = sData.msfStart;
+
+    return VCD_SECTOR_DATA * vcd_get_msf(vcd);
+}
+
+static int vcd_get_track_end(mp_vcd_priv_t *vcd, int track)
+{
+    if (track < vcd->iLastTrack)
+        return vcd_seek_to_track(vcd, track + 1);
+
+    vcd->msfCurrent = vcd->msfLeadOut;
+
+    return VCD_SECTOR_DATA * vcd_get_msf(vcd);
+}
+
+static mp_vcd_priv_t *vcd_read_toc(int fd)
+{
+    mp_vcd_priv_t *vcd;
+
+    UCHAR auchParamDisk[4] = {'C', 'D', '0', '1'};
+
+    struct {
+        BYTE       bFirstTrack;
+        BYTE       bLastTrack;
+        struct msf msfLeadOut;
+    } __attribute__((packed)) sDataDisk;
+
+    struct {
+        UCHAR auchSign[4];
+        BYTE  bTrack;
+    } __attribute__((packed)) sParamTrack = {{'C', 'D', '0', '1'},};
+
+    struct {
+        struct msf msfStart;
+        BYTE       bControlInfo;
+    } __attribute__((packed)) sDataTrack;
+
+    ULONG ulParamLen;
+    ULONG ulDataLen;
+    ULONG rc;
+    int   i, iMinute = 0, iSecond = 0, iFrame = 0;
+
+    rc = DosDevIOCtl(fd, IOCTL_CDROMAUDIO, CDROMAUDIO_GETAUDIODISK,
+                     auchParamDisk, sizeof(auchParamDisk), &ulParamLen,
+                     &sDataDisk, sizeof(sDataDisk), &ulDataLen);
+    if (rc) {
+        mp_msg(MSGT_OPEN, MSGL_ERR, "DosDevIOCtl(GETAUDIODISK) = 0x%lx\n", rc);
+        return NULL;
+    }
+
+    mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VCD_START_TRACK=%d\n", sDataDisk.bFirstTrack);
+    mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VCD_END_TRACK=%d\n", sDataDisk.bLastTrack);
+
+    for (i = sDataDisk.bFirstTrack; i <= sDataDisk.bLastTrack + 1; i++) {
+        if (i <= sDataDisk.bLastTrack) {
+            sParamTrack.bTrack = i;
+            rc = DosDevIOCtl(fd, IOCTL_CDROMAUDIO, CDROMAUDIO_GETAUDIOTRACK,
+                             &sParamTrack, sizeof(sParamTrack), &ulParamLen,
+                             &sDataTrack, sizeof(sDataTrack), &ulDataLen);
+            if (rc) {
+                mp_msg(MSGT_OPEN, MSGL_ERR, "DosDevIOCtl(GETAUDIOTRACK) = 0x%lx\n", rc);
+                return NULL;
+            }
+
+            mp_msg(MSGT_OPEN, MSGL_INFO, "track %02d:  adr=%d  ctrl=%d  %02d:%02d:%02d\n",
+                   i,
+                   sDataTrack.bControlInfo & 0x0F,
+                   sDataTrack.bControlInfo >> 4,
+                   sDataTrack.msfStart.bMinute,
+                   sDataTrack.msfStart.bSecond,
+                   sDataTrack.msfStart.bFrame);
+        } else
+            sDataTrack.msfStart = sDataDisk.msfLeadOut;
+
+        if (mp_msg_test(MSGT_IDENTIFY, MSGL_INFO)) {
+            if (i > sDataDisk.bFirstTrack) {
+                iMinute = sDataTrack.msfStart.bMinute - iMinute;
+                iSecond = sDataTrack.msfStart.bSecond - iSecond;
+                iFrame  = sDataTrack.msfStart.bFrame  - iFrame;
+                if (iFrame < 0) {
+                    iFrame += 75;
+                    iSecond--;
+                }
+                if (iSecond < 0) {
+                    iSecond += 60;
+                    iMinute--;
+                }
+                mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VCD_TRACK_%d_MSF=%02d:%02d:%02d\n",
+                       i - 1, iMinute, iSecond, iFrame);
+            }
+
+            iMinute = sDataTrack.msfStart.bMinute;
+            iSecond = sDataTrack.msfStart.bSecond;
+            iFrame  = sDataTrack.msfStart.bFrame;
+        }
+    }
+
+    vcd                 = calloc(1, sizeof(mp_vcd_priv_t));
+    vcd->hcd            = fd;
+    vcd->iFirstTrack    = sDataDisk.bFirstTrack;
+    vcd->iLastTrack     = sDataDisk.bLastTrack;
+    vcd->msfLeadOut     = sDataDisk.msfLeadOut;
+
+    return vcd;
+}
+
+static int vcd_read(mp_vcd_priv_t *vcd, char *mem)
+{
+    struct {
+        UCHAR      auchSign[4];
+        BYTE       bAddrMode;
+        USHORT     usSectors;
+        struct msf msfStart;
+        BYTE       bReserved;
+        BYTE       bInterleavedSize;
+    } __attribute__((packed)) sParam = {{'C', 'D', '0', '1'}, 1, 1,};
+
+    ULONG ulParamLen;
+    ULONG ulDataLen;
+    ULONG rc;
+
+    /* lead-out ? */
+    if (vcd->msfCurrent.bMinute == vcd->msfLeadOut.bMinute &&
+        vcd->msfCurrent.bSecond == vcd->msfLeadOut.bSecond &&
+        vcd->msfCurrent.bFrame  == vcd->msfLeadOut.bFrame)
+        return 0;
+
+    sParam.msfStart = vcd->msfCurrent;
+    rc = DosDevIOCtl(vcd->hcd, IOCTL_CDROMDISK, CDROMDISK_READLONG,
+                     &sParam, sizeof(sParam), &ulParamLen,
+                     vcd->abVCDSector, sizeof(vcd->abVCDSector), &ulDataLen);
+    if (rc) {
+        mp_msg(MSGT_STREAM, MSGL_ERR, "DosDevIOCtl(READLONG) = 0x%lx\n", rc);
+        return 0;
+    }
+
+    memcpy(mem, &vcd->abVCDSector[VCD_SECTOR_OFFS], VCD_SECTOR_DATA);
+
+    vcd->msfCurrent.bFrame++;
+    if (vcd->msfCurrent.bFrame == 75) {
+        vcd->msfCurrent.bFrame = 0;
+        vcd->msfCurrent.bSecond++;
+        if (vcd->msfCurrent.bSecond == 60) {
+            vcd->msfCurrent.bSecond = 0;
+            vcd->msfCurrent.bMinute++;
+        }
+    }
+
+    return VCD_SECTOR_DATA;
+}
+
+#endif /* MPLAYER_VCD_READ_OS2_H */
+


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