[Ffmpeg-cvslog] r7569 - trunk/libavutil/fifo.c

[michael]

Author: michael
Date: Wed Jan 17 20:30:23 2007
New Revision: 7569

Modified:
   trunk/libavutil/fifo.c

Log:
simplify


Modified: trunk/libavutil/fifo.c
==============================================================================
--- trunk/libavutil/fifo.c	(original)
+++ trunk/libavutil/fifo.c	Wed Jan 17 20:30:23 2007
@@ -90,10 +90,8 @@
 
 void av_fifo_write(AVFifoBuffer *f, const uint8_t *buf, int size)
 {
-    int len;
-
     while (size > 0) {
-        len = FFMIN(f->end - f->wptr, size);
+        int len = FFMIN(f->end - f->wptr, size);
         memcpy(f->wptr, buf, len);
         f->wptr += len;
         if (f->wptr >= f->end)
@@ -107,15 +105,12 @@
 /* get data from the fifo (return -1 if not enough data) */
 int av_fifo_generic_read(AVFifoBuffer *f, int buf_size, void (*func)(void*, void*, int), void* dest)
 {
-    int len;
-    int size = f->wptr - f->rptr;
-    if (size < 0)
-        size += f->end - f->buffer;
+    int size = av_fifo_size(f);
 
     if (size < buf_size)
         return -1;
     while (buf_size > 0) {
-        len = FFMIN(f->end - f->rptr, buf_size);
+        int len = FFMIN(f->end - f->rptr, buf_size);
         func(dest, f->rptr, len);
         f->rptr += len;
         if (f->rptr >= f->end)