ppmviewer: steal from audiobuffer for large arrays

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26744 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 14 insertions, 2 deletions

diff --git a/apps/plugins/ppmviewer.c b/apps/plugins/ppmviewer.c
index b186393d05..af66b58736 100644
--- a/apps/plugins/ppmviewer.c
+++ b/apps/plugins/ppmviewer.c
@@ -38,8 +38,7 @@ PLUGIN_HEADER
 
 #define ppm_error(...) rb->splashf(HZ*2, __VA_ARGS__ )
 
-static fb_data buffer[PPM_MAXSIZE];
-static fb_data lcd_buf[LCD_WIDTH * LCD_HEIGHT];
+static fb_data *buffer, *lcd_buf;
 
 int ppm_read_magic_number(int fd)
 {
@@ -294,6 +293,19 @@ enum plugin_status plugin_start(const void* parameter)
     
     if(!parameter) return PLUGIN_ERROR;
 
+    size_t buffer_size;
+    char *audiobuf = rb->plugin_get_audio_buffer(&buffer_size);
+    if (buffer_size < PPM_MAXSIZE + LCD_WIDTH * LCD_HEIGHT + 1)
+    {
+        rb->splash(HZ, "Not enough memory");
+        return PLUGIN_ERROR;
+    }
+
+    /* align on 16 bits */
+    audiobuf = (char *)(((uintptr_t)audiobuf + 1) & ~1);
+    buffer = (fb_data *)audiobuf;
+    lcd_buf = (fb_data*) (audiobuf + PPM_MAXSIZE);
+
     rb->strcpy(filename, parameter);
     
     fd = rb->open(filename, O_RDONLY);