1 files changed, 130 insertions, 0 deletions
diff --git a/contrib/ffmpeg/libavformat/file.c b/contrib/ffmpeg/libavformat/file.c
new file mode 100644
index 000000000..3caf80a61
--- /dev/null
+++ b/contrib/ffmpeg/libavformat/file.c
@@ -0,0 +1,130 @@
+/*
+ * Buffered file io for ffmpeg system
+ * Copyright (c) 2001 Fabrice Bellard
+ *
+ * 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
+ */
+#include "avformat.h"
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/time.h>
+
+
+/* standard file protocol */
+
+static int file_open(URLContext *h, const char *filename, int flags)
+{
+    int access;
+    int fd;
+
+    strstart(filename, "file:", &filename);
+
+    if (flags & URL_RDWR) {
+        access = O_CREAT | O_TRUNC | O_RDWR;
+    } else if (flags & URL_WRONLY) {
+        access = O_CREAT | O_TRUNC | O_WRONLY;
+    } else {
+        access = O_RDONLY;
+    }
+#if defined(__MINGW32__) || defined(CONFIG_OS2) || defined(__CYGWIN__)
+    access |= O_BINARY;
+#endif
+    fd = open(filename, access, 0666);
+    if (fd < 0)
+        return AVERROR(ENOENT);
+    h->priv_data = (void *)(size_t)fd;
+    return 0;
+}
+
+static int file_read(URLContext *h, unsigned char *buf, int size)
+{
+    int fd = (size_t)h->priv_data;
+    return read(fd, buf, size);
+}
+
+static int file_write(URLContext *h, unsigned char *buf, int size)
+{
+    int fd = (size_t)h->priv_data;
+    return write(fd, buf, size);
+}
+
+/* XXX: use llseek */
+static offset_t file_seek(URLContext *h, offset_t pos, int whence)
+{
+    int fd = (size_t)h->priv_data;
+    return lseek(fd, pos, whence);
+}
+
+static int file_close(URLContext *h)
+{
+    int fd = (size_t)h->priv_data;
+    return close(fd);
+}
+
+URLProtocol file_protocol = {
+    "file",
+    file_open,
+    file_read,
+    file_write,
+    file_seek,
+    file_close,
+};
+
+/* pipe protocol */
+
+static int pipe_open(URLContext *h, const char *filename, int flags)
+{
+    int fd;
+
+    if (flags & URL_WRONLY) {
+        fd = 1;
+    } else {
+        fd = 0;
+    }
+#if defined(__MINGW32__) || defined(CONFIG_OS2) || defined(__CYGWIN__)
+    setmode(fd, O_BINARY);
+#endif
+    h->priv_data = (void *)(size_t)fd;
+    h->is_streamed = 1;
+    return 0;
+}
+
+static int pipe_read(URLContext *h, unsigned char *buf, int size)
+{
+    int fd = (size_t)h->priv_data;
+    return read(fd, buf, size);
+}
+
+static int pipe_write(URLContext *h, unsigned char *buf, int size)
+{
+    int fd = (size_t)h->priv_data;
+    return write(fd, buf, size);
+}
+
+static int pipe_close(URLContext *h)
+{
+    return 0;
+}
+
+URLProtocol pipe_protocol = {
+    "pipe",
+    pipe_open,
+    pipe_read,
+    pipe_write,
+    NULL,
+    pipe_close,
+};