From 22e28216336da876e1fd17f380ce42eaf1446769 Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@eclectronics.org>
Date: Mon, 17 Feb 2014 13:36:38 +0000
Subject: chasing indexing error

---
 ffmpeg/libavformat/cache.c | 140 ---------------------------------------------
 1 file changed, 140 deletions(-)
 delete mode 100644 ffmpeg/libavformat/cache.c

(limited to 'ffmpeg/libavformat/cache.c')

diff --git a/ffmpeg/libavformat/cache.c b/ffmpeg/libavformat/cache.c
deleted file mode 100644
index 35f81e8..0000000
--- a/ffmpeg/libavformat/cache.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * Input cache protocol.
- * Copyright (c) 2011 Michael Niedermayer
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Based on file.c by Fabrice Bellard
- */
-
-/**
- * @TODO
- *      support non continuous caching
- *      support keeping files
- *      support filling with a background thread
- */
-
-#include "libavutil/avassert.h"
-#include "libavutil/avstring.h"
-#include "libavutil/file.h"
-#include "avformat.h"
-#include <fcntl.h>
-#if HAVE_IO_H
-#include <io.h>
-#endif
-#if HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <sys/stat.h>
-#include <stdlib.h>
-#include "os_support.h"
-#include "url.h"
-
-typedef struct Context {
-    int fd;
-    int64_t end;
-    int64_t pos;
-    URLContext *inner;
-} Context;
-
-static int cache_open(URLContext *h, const char *arg, int flags)
-{
-    char *buffername;
-    Context *c= h->priv_data;
-
-    av_strstart(arg, "cache:", &arg);
-
-    c->fd = av_tempfile("ffcache", &buffername, 0, h);
-    if (c->fd < 0){
-        av_log(h, AV_LOG_ERROR, "Failed to create tempfile\n");
-        return c->fd;
-    }
-
-    unlink(buffername);
-    av_freep(&buffername);
-
-    return ffurl_open(&c->inner, arg, flags, &h->interrupt_callback, NULL);
-}
-
-static int cache_read(URLContext *h, unsigned char *buf, int size)
-{
-    Context *c= h->priv_data;
-    int r;
-
-    if(c->pos<c->end){
-        r = read(c->fd, buf, FFMIN(size, c->end - c->pos));
-        if(r>0)
-            c->pos += r;
-        return (-1 == r)?AVERROR(errno):r;
-    }else{
-        r = ffurl_read(c->inner, buf, size);
-        if(r > 0){
-            int r2= write(c->fd, buf, r);
-            av_assert0(r2==r); // FIXME handle cache failure
-            c->pos += r;
-            c->end += r;
-        }
-        return r;
-    }
-}
-
-static int64_t cache_seek(URLContext *h, int64_t pos, int whence)
-{
-    Context *c= h->priv_data;
-
-    if (whence == AVSEEK_SIZE) {
-        pos= ffurl_seek(c->inner, pos, whence);
-        if(pos <= 0){
-            pos= ffurl_seek(c->inner, -1, SEEK_END);
-            ffurl_seek(c->inner, c->end, SEEK_SET);
-            if(pos <= 0)
-                return c->end;
-        }
-        return pos;
-    }
-
-    pos= lseek(c->fd, pos, whence);
-    if(pos<0){
-        return pos;
-    }else if(pos <= c->end){
-        c->pos= pos;
-        return pos;
-    }else{
-        if(lseek(c->fd, c->pos, SEEK_SET) < 0) {
-            av_log(h, AV_LOG_ERROR, "Failure to seek in cache\n");
-        }
-        return AVERROR(EPIPE);
-    }
-}
-
-static int cache_close(URLContext *h)
-{
-    Context *c= h->priv_data;
-    close(c->fd);
-    ffurl_close(c->inner);
-
-    return 0;
-}
-
-URLProtocol ff_cache_protocol = {
-    .name                = "cache",
-    .url_open            = cache_open,
-    .url_read            = cache_read,
-    .url_seek            = cache_seek,
-    .url_close           = cache_close,
-    .priv_data_size      = sizeof(Context),
-};
-- 
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