Plugin JPEG decoder for data in memory, along with test_mem_jpeg.c and bench_mem_jpeg.c plugins to test and benchmark it, and a line-length clean up in jpeg_load.c.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20871 a1c6a512-1295-4272-9138-f99709370657

3 files changed, 71 insertions, 2 deletions

diff --git a/apps/plugins/lib/SOURCES b/apps/plugins/lib/SOURCES
index 889fb79..21a35d4 100644
--- a/apps/plugins/lib/SOURCES
+++ b/apps/plugins/lib/SOURCES
@@ -27,9 +27,8 @@ playergfx.c
 profile_plugin.c
 #endif
 #ifdef HAVE_LCD_BITMAP
-#if !defined(HAVE_BMP_SCALING) || !defined(HAVE_JPEG)
+pluginlib_jpeg_mem.c
 pluginlib_resize.c
-#endif
 #ifndef HAVE_JPEG
 pluginlib_jpeg_load.c
 #endif
diff --git a/apps/plugins/lib/jpeg_mem.h b/apps/plugins/lib/jpeg_mem.h
new file mode 100644
index 0000000..8636f70
--- /dev/null
+++ b/apps/plugins/lib/jpeg_mem.h
@@ -0,0 +1,41 @@
+/***************************************************************************
+*             __________               __   ___.
+*   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+*   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+*   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+*   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+*                     \/            \/     \/    \/            \/
+* $Id$
+*
+* Copyright (C) 2009 by Andrew Mahone
+*
+* Header for the in-memory JPEG decoder.
+*
+* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+* KIND, either express or implied.
+*
+****************************************************************************/
+
+#include "plugin.h"
+#include "resize.h"
+#include "bmp.h"
+#include "jpeg_common.h"
+
+#ifndef _JPEG_MEM_H
+#define _JPEG_MEM_H
+
+int get_jpeg_dim_mem(unsigned char *data, unsigned long len,
+                     struct dim *size);
+
+int decode_jpeg_mem(unsigned char *data, unsigned long len,
+                    struct bitmap *bm,
+                    int maxsize,
+                    int format,
+                    const struct custom_format *cformat);
+
+#endif /* _JPEG_MEM_H */
diff --git a/apps/plugins/lib/pluginlib_jpeg_mem.c b/apps/plugins/lib/pluginlib_jpeg_mem.c
new file mode 100644
index 0000000..4a6c1bb
--- /dev/null
+++ b/apps/plugins/lib/pluginlib_jpeg_mem.c
@@ -0,0 +1,29 @@
+/***************************************************************************
+*             __________               __   ___.
+*   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+*   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+*   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+*   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+*                     \/            \/     \/    \/            \/
+* $Id$
+*
+* Copyright (C) 2009 by Andrew Mahone
+*
+* This is a wrapper for the core jpeg_load.c, to provide the from-memory
+* version of the decoder.
+*
+* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+* KIND, either express or implied.
+*
+****************************************************************************/
+
+#include <plugin.h>
+#include "wrappers.h"
+#define JPEG_FROM_MEM
+
+#include "../../recorder/jpeg_load.c"