Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 380 insertions, 0 deletions

diff --git a/kscd/libwm/plat_sun_cdda.c b/kscd/libwm/plat_sun_cdda.c
new file mode 100644
index 00000000..3f669a8b
--- /dev/null
+++ b/kscd/libwm/plat_sun_cdda.c
@@ -0,0 +1,380 @@
+/*
+ * $Id$
+ *
+ * This file is part of WorkMan, the civilized CD player library
+ * (c) 1991-1997 by Steven Grimm (original author)
+ * (c) by Dirk Försterling (current 'author' = maintainer)
+ * The maintainer can be contacted by his e-mail address:
+ * milliByte@DeathsDoor.com 
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ *
+ * Sun (really Solaris) CDDA functions.
+ */
+
+#include "include/wm_cdda.h"
+
+#if defined(sun) || defined(__sun__) && defined(SYSV) && defined(BUILD_CDDA)
+
+
+#include "include/wm_struct.h"
+#include "include/wm_cdda.h"
+/* types.h and cdio.h are included by wm_cdda.h */
+
+#include <stdio.h>
+#include <math.h>
+#include <sys/ioctl.h>
+#include <malloc.h>
+#include <errno.h>
+
+#define WM_MSG_CLASS WM_MSG_CLASS_PLATFORM
+
+#define CDDABLKSIZE 2368
+#define SAMPLES_PER_BLK 588
+
+/* Address of next block to read. */
+int	current_position = 0;
+
+/* Address of first and last blocks to read. */
+int	starting_position = 0;
+int	ending_position = 0;
+
+/* Playback direction. */
+int	direction = 1;
+
+/* Number of blocks to read at once; initialize to the maximum. */
+/* (was 30. Set to 15 for INTeL. Maybe config option? */
+int	numblocks = 15;
+
+/*
+ * This is the fastest way to convert from BCD to 8-bit.
+ */
+unsigned char unbcd[256] = {
+  0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  0,0,0,0,0,0,
+ 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,  0,0,0,0,0,0,
+ 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,  0,0,0,0,0,0,
+ 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,  0,0,0,0,0,0,
+ 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,  0,0,0,0,0,0,
+ 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,  0,0,0,0,0,0,
+ 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,  0,0,0,0,0,0,
+ 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,  0,0,0,0,0,0,
+ 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,  0,0,0,0,0,0,
+ 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,  0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+};
+
+static long wmcdda_normalize(struct cdda_block *block);
+
+/*
+ * Initialize the CDDA data buffer and open the appropriate device.
+ *
+ * NOTE: We allocate twice as much space as we need to actually read a block;
+ * this lets us do audio manipulations without bothering to malloc a second
+ * buffer.
+ *
+ * Also, test to see if we can actually *do* CDDA on this drive; if not, we
+ * need to exit right away so the UI doesn't show the user any CDDA controls.
+ */
+int
+wmcdda_init(struct cdda_device* pdev, struct cdda_block *block)
+{
+  struct cdrom_cdda	cdda;
+  int i;
+
+  if (pdev->fd > -1)
+    return -1;
+    
+  for (i = 0; i < pdev->numblocks; i++) {
+    /* in Linux const */
+    pdev->blocks[i].buflen = pdev->frames_at_once * CDDABLKSIZE;
+    pdev->blocks[i].buf = malloc(pdev->blocks[i].buflen);
+    if (!pdev->blocks[i].buf)
+      return -ENOMEM;
+  }
+
+  pdev->fd = open(pdev->devname, 0);
+  if (pdev->fd == -1)
+    pdev->fd = open("/dev/rdsk/c0t6d0s2", 0);
+
+	if (pdev->fd > -1)
+	{
+		cdda.cdda_addr = 200;
+		cdda.cdda_length = 1;
+		cdda.cdda_data = pdev->blocks[0].buf;
+		cdda.cdda_subcode = CDROM_DA_SUBQ;
+
+		if (ioctl(pdev->fd, CDROMCDDA, &cdda) < 0)
+		{
+			block->status = WM_CDM_STOPPED;
+			return -1;
+		} else {
+		  block->status = WM_CDM_STOPPED;
+		  return 0;
+		}
+	} else {
+            block->status = WM_CDM_EJECTED;
+            return -1;
+	}
+}
+
+/*
+ * Close the CD-ROM device in preparation for exiting.
+ */
+int
+wmcdda_close(struct cdda_device* pdev)
+{
+    int i;
+ 
+    if(-1 == pdev->fd)
+        return -1;
+
+    close(pdev->fd);
+    pdev->fd = -1;
+    
+    for (i = 0; i < pdev->numblocks; i++) {
+        free(pdev->blocks[i].buf);
+        pdev->blocks[i].buf = 0;
+        pdev->blocks[i].buflen = 0;
+    }
+
+    return 0;
+}
+
+/*
+ * Set up for playing the CD.  Actually this doesn't play a thing, just sets a
+ * couple variables so we'll know what to do when we're called.
+ */
+int
+wmcdda_setup(int start, int end, int realstart)
+{
+	current_position = start - 150;
+	ending_position = end - 150;
+	starting_position = realstart - 150;
+
+	/*
+	 * Special case: don't start at the "end" of a track if we're
+	 * playing backwards!
+	 */
+	if (direction == -1 && start == realstart)
+		current_position = ending_position - numblocks;
+  return 0;
+}
+
+/*
+ * Read some blocks from the CD.  Stop if we hit the end of the current region.
+ *
+ * Returns number of bytes read, -1 on error, 0 if stopped for a benign reason.
+ */
+long
+wmcdda_read(struct cdda_device* pdev, struct cdda_block *block)
+{
+    struct cdrom_cdda	cdda;
+    int			blk;
+    unsigned char	*q;
+    extern int		speed;
+    unsigned char*      rawbuf = block->buf;
+
+    if(pdev->fd < 0 && (wmcdda_init(pdev, block) < 0)) {
+        return -1;
+    }
+
+    /*
+     * Hit the end of the CD, probably.
+     */
+    if ((direction > 0 && current_position >= ending_position) ||
+        (direction < 0 && current_position < starting_position))
+    {
+        block->status = WM_CDM_TRACK_DONE;
+        return (0);
+    }
+
+    cdda.cdda_addr = current_position;
+    if (ending_position && current_position + pdev->frames_at_once > ending_position)
+        cdda.cdda_length = ending_position - current_position;
+    else
+        cdda.cdda_length = pdev->frames_at_once;
+    cdda.cdda_data = (unsigned char*)block->buf;
+    cdda.cdda_subcode = CDROM_DA_SUBQ;
+
+    if (ioctl(pdev->fd, CDROMCDDA, &cdda) < 0)
+    {
+        if (errno == ENXIO)	/* CD ejected! */
+        {
+            block->status = WM_CDM_EJECTED;
+            return (-1);
+        }
+
+        /* Sometimes it fails once, dunno why */
+        if (ioctl(pdev->fd, CDROMCDDA, &cdda) < 0)
+        {
+            if (ioctl(pdev->fd, CDROMCDDA, &cdda) < 0)
+            {
+                if (ioctl(pdev->fd, CDROMCDDA, &cdda) < 0)
+                {
+                    perror("CDROMCDDA");
+                    block->status = WM_CDM_CDDAERROR;
+                    return (-1);
+                }
+            }
+        }
+    }
+
+    if (speed > 148)
+    {
+        /*
+         * We want speed=148 to advance by cdda_length, but
+         * speed=256 to advance cdda_length * 4.
+         */
+        current_position = current_position +
+            (cdda.cdda_length * direction * (speed - 112)) / 36;
+    }
+    else
+        current_position = current_position + cdda.cdda_length * direction;
+
+    for (blk = 0; blk < numblocks; blk++)
+    {
+        /*
+         * New valid Q-subchannel information?  Update the block
+         * status.
+         */
+        q = &rawbuf[blk * CDDABLKSIZE + SAMPLES_PER_BLK * 4];
+        if (*q == 1)
+        {
+            block->track =  unbcd[q[1]];
+            block->index =  unbcd[q[2]];
+            /*block->minute = unbcd[q[7]];
+            block->second = unbcd[q[8]];*/
+            block->frame =  unbcd[q[9]];
+            block->status = WM_CDM_PLAYING;
+            block->buflen = cdda.cdda_length;
+        }
+    }
+
+    return wmcdda_normalize(block);
+}
+
+/*
+ * Normalize a bunch of CDDA data.  Basically this means ripping out the
+ * Q subchannel data and doing byte-swapping, since the CD audio is in
+ * littleendian format.
+ *
+ * Scanning is handled here too.
+ *
+ * XXX - do byte swapping on Intel boxes?
+ */
+long
+wmcdda_normalize(struct cdda_block *block)
+{
+	int		i, nextq;
+	long buflen = block->buflen;
+	int		blocks = buflen / CDDABLKSIZE;
+	unsigned char *rawbuf = block->buf;
+	unsigned char	*dest = rawbuf;
+	unsigned char	tmp;
+	long		*buf32 = (long *)rawbuf, tmp32;
+
+/*
+ * this was #ifndef LITTLEENDIAN
+ * in wmcdda it was called LITTLE_ENDIAN. Was this a flaw?
+ */
+#if WM_BIG_ENDIAN
+	if (blocks--)
+		for (i = 0; i < SAMPLES_PER_BLK * 2; i++)
+		{
+			/* Only need to use temp buffer on first block. */
+			tmp = *rawbuf++;
+			*dest++ = *rawbuf++;
+			*dest++ = tmp;
+		}
+#endif
+
+	while (blocks--)
+	{
+		/* Skip over Q data. */
+		rawbuf += 16;
+
+		for (i = 0; i < SAMPLES_PER_BLK * 2; i++)
+		{
+#if WM_LITTLE_ENDIAN
+			*dest++ = *rawbuf++;
+			*dest++ = *rawbuf++;
+#else
+			*dest++ = rawbuf[1];
+			*dest++ = rawbuf[0];
+			rawbuf += 2;
+#endif
+		}
+	}
+
+	buflen -= ((buflen / CDDABLKSIZE) * 16);
+
+	/*
+	 * Reverse the data here if we're playing backwards.
+	 * XXX - ideally this should be done above.
+	 */
+	if (direction < 0)
+	{
+		buflen /= 4;	/* we can move 32 bits at a time. */
+
+		for (i = 0; i < buflen / 2; i++)
+		{
+			tmp32 = buf32[i];
+			buf32[i] = buf32[buflen - i - 1];
+			buf32[buflen - i - 1] = tmp32;
+		}
+
+		buflen *= 4;
+	}
+
+	return (buflen);
+}
+
+/*
+ * Set the playback direction.
+ */
+void
+wmcdda_direction(int newdir)
+{
+	if (newdir == 0)
+	{
+		numblocks = 20;
+		direction = 1;
+	}
+	else
+	{
+		numblocks = 30;
+		direction = -1;
+	}
+}
+
+/*
+ * Do system-specific stuff to get ready to play at a particular speed.
+ */
+void
+wmcdda_speed(int speed)
+{
+	if (speed > 128)
+		numblocks = 12;
+	else
+		numblocks = direction > 0 ? 20 : 30;
+}
+
+#endif /* } */