* Buffered file io for ffmpeg system
* Copyright (c) 2001 Fabrice Bellard
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <sys/stat.h>
#include <stdlib.h>
#include "os_support.h"
+#include "url.h"
/* standard file protocol */
av_strstart(filename, "file:", &filename);
- if (flags & AVIO_RDWR) {
+ if (flags & AVIO_FLAG_WRITE && flags & AVIO_FLAG_READ) {
access = O_CREAT | O_TRUNC | O_RDWR;
- } else if (flags & AVIO_WRONLY) {
+ } else if (flags & AVIO_FLAG_WRITE) {
access = O_CREAT | O_TRUNC | O_WRONLY;
} else {
access = O_RDONLY;
return close(fd);
}
+static int file_check(URLContext *h, int mask)
+{
+ struct stat st;
+ int ret = stat(h->filename, &st);
+ if (ret < 0)
+ return AVERROR(errno);
+
+ ret |= st.st_mode&S_IRUSR ? mask&AVIO_FLAG_READ : 0;
+ ret |= st.st_mode&S_IWUSR ? mask&AVIO_FLAG_WRITE : 0;
+
+ return ret;
+}
+
URLProtocol ff_file_protocol = {
- "file",
- file_open,
- file_read,
- file_write,
- file_seek,
- file_close,
+ .name = "file",
+ .url_open = file_open,
+ .url_read = file_read,
+ .url_write = file_write,
+ .url_seek = file_seek,
+ .url_close = file_close,
.url_get_file_handle = file_get_handle,
+ .url_check = file_check,
};
#endif /* CONFIG_FILE_PROTOCOL */
fd = strtol(filename, &final, 10);
if((filename == final) || *final ) {/* No digits found, or something like 10ab */
- if (flags & AVIO_WRONLY) {
+ if (flags & AVIO_FLAG_WRITE) {
fd = 1;
} else {
fd = 0;
}
URLProtocol ff_pipe_protocol = {
- "pipe",
- pipe_open,
- file_read,
- file_write,
+ .name = "pipe",
+ .url_open = pipe_open,
+ .url_read = file_read,
+ .url_write = file_write,
.url_get_file_handle = file_get_handle,
+ .url_check = file_check,
};
#endif /* CONFIG_PIPE_PROTOCOL */