Patch #1164207 by Alexandre Bourget, the iriverify plugin, transforms Rockbox generated playlists so they are recognized by the iRiver firmware

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6259 a1c6a512-1295-4272-9138-f99709370657

apps/plugins/SOURCES

@@ -73,4 +73,5 @@ a52towav.c
 flac2wav.c
 vorbis2wav.c
 wv2wav.c
+iriverify.c
 #endif

apps/plugins/iriverify.c

@@ -0,0 +1,176 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2005 Alexandre Bourget
+ *
+ * Plugin to transform a Rockbox produced m3u playlist into something
+ * understandable by the picky original iRiver firmware.
+ *
+ * Based on sort.c by the Rockbox team.
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "plugin.h"
+
+
+static struct plugin_api* rb;
+
+int buf_size;
+static char *filename;
+static int readsize;
+static char *stringbuffer;
+static char crlf[2] = "\r\n";
+
+int read_buffer(int offset)
+{
+    int fd;
+    
+    fd = rb->open(filename, O_RDONLY);
+    if(fd < 0)
+        return 10 * fd - 1;
+
+    /* Fill the buffer from the file */
+    rb->lseek(fd, offset, SEEK_SET);
+    readsize = rb->read(fd, stringbuffer, buf_size);
+    rb->close(fd);
+
+    if(readsize < 0)
+        return readsize * 10 - 2;
+
+    if(readsize == buf_size)
+        return buf_size; /* File too big */
+
+    return 0;
+}
+
+static int write_file(void)
+{
+    char tmpfilename[MAX_PATH+1];
+    int fd;
+    int rc;
+    char *buf_ptr;
+    char *str_begin;
+
+    /* Create a temporary file */
+    
+    rb->snprintf(tmpfilename, MAX_PATH+1, "%s.tmp", filename);
+    
+    fd = rb->creat(tmpfilename, 0);
+    if(fd < 0)
+        return 10 * fd - 1;
+
+    /* Let's make sure it always writes CR/LF and not only LF */
+    buf_ptr = stringbuffer;
+    str_begin = stringbuffer;
+    do {
+	/* Transform slashes into backslashes */
+        if(*buf_ptr == '/')
+	    *buf_ptr = '\\';
+
+	if((*buf_ptr == '\r') || (*buf_ptr == '\n')) {
+	    /* We have no complete string ? It's only a leading \n or \r ? */
+	    if (!str_begin)
+		continue;
+	    
+	    /* Terminate string */
+	    *buf_ptr = 0;
+
+	    /* Write our new string */
+	    rc = rb->write(fd, str_begin, rb->strlen(str_begin));
+	    if(rc < 0) {
+		rb->close(fd);
+		return 10 * rc - 2;
+	    }
+	    /* Write CR/LF */
+	    rc = rb->write(fd, crlf, 2);
+	    if(rc < 0) {
+		rb->close(fd);
+		return 10 * rc - 3;
+	    }
+
+	    /* Reset until we get a new line */
+	    str_begin = NULL;
+
+	}
+	else {
+	    /* We start a new line here */
+	    if (!str_begin)
+		str_begin = buf_ptr;
+	}
+
+	/* Ok, skip a char */
+	buf_ptr++;
+
+	/* until ... */
+    } while(buf_ptr < stringbuffer + readsize);
+
+    rb->close(fd);
+
+    /* Remove the original file */
+    rc = rb->remove(filename);
+    if(rc < 0) {
+        return 10 * rc - 4;
+    }
+
+    /* Replace the old file with the new */
+    rc = rb->rename(tmpfilename, filename);
+    if(rc < 0) {
+        return 10 * rc - 5;
+    }
+    
+    return 0;
+}
+
+enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
+{
+    char *buf;
+    int rc;
+    TEST_PLUGIN_API(api);
+
+    filename = (char *)parameter;
+
+    rb = api;
+
+    buf = rb->plugin_get_audio_buffer(&buf_size); /* start munching memory */
+
+    stringbuffer = buf;
+
+    rb->lcd_clear_display();
+    rb->splash(0, true, "Converting...");
+    
+    rc = read_buffer(0);
+    if(rc == 0) {
+        rb->lcd_clear_display();
+        rb->splash(0, true, "Writing...");
+        rc = write_file();
+
+        if(rc < 0) {
+            rb->lcd_clear_display();
+            rb->splash(HZ, true, "Can't write file: %d", rc);
+        } else {
+            rb->lcd_clear_display();
+            rb->splash(HZ, true, "Done");
+        }
+    } else {
+        if(rc < 0) {
+            rb->lcd_clear_display();
+            rb->splash(HZ, true, "Can't read file: %d", rc);
+        } else {
+            rb->lcd_clear_display();
+            rb->splash(HZ, true, "The file is too big");
+        }
+    }
+    
+    return PLUGIN_OK;
+}

docs/CREDITS

@@ -103,3 +103,4 @@ Manuel Dejonghe
 Michiel van der Kolk
 Tony Motakis
 Andy Young
+Alexandre Bourget