diff options
Diffstat (limited to 'libavformat/file.c')
-rw-r--r-- | libavformat/file.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/libavformat/file.c b/libavformat/file.c index 0e3577d..c54ec28 100644 --- a/libavformat/file.c +++ b/libavformat/file.c @@ -2,32 +2,30 @@ * buffered file I/O * 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 "libavutil/avstring.h" #include "avformat.h" #include <fcntl.h> -#if HAVE_IO_H +#if HAVE_SETMODE #include <io.h> #endif -#if HAVE_UNISTD_H #include <unistd.h> -#endif #include <sys/stat.h> #include <stdlib.h> #include "os_support.h" @@ -39,13 +37,15 @@ static int file_read(URLContext *h, unsigned char *buf, int size) { int fd = (intptr_t) h->priv_data; - return read(fd, buf, size); + int r = read(fd, buf, size); + return (-1 == r)?AVERROR(errno):r; } static int file_write(URLContext *h, const unsigned char *buf, int size) { int fd = (intptr_t) h->priv_data; - return write(fd, buf, size); + int r = write(fd, buf, size); + return (-1 == r)?AVERROR(errno):r; } static int file_get_handle(URLContext *h) @@ -72,6 +72,7 @@ static int file_open(URLContext *h, const char *filename, int flags) { int access; int fd; + struct stat st; av_strstart(filename, "file:", &filename); @@ -89,6 +90,9 @@ static int file_open(URLContext *h, const char *filename, int flags) if (fd == -1) return AVERROR(errno); h->priv_data = (void *) (intptr_t) fd; + + h->is_streamed = !fstat(fd, &st) && S_ISFIFO(st.st_mode); + return 0; } @@ -99,7 +103,7 @@ static int64_t file_seek(URLContext *h, int64_t pos, int whence) if (whence == AVSEEK_SIZE) { struct stat st; int ret = fstat(fd, &st); - return ret < 0 ? AVERROR(errno) : st.st_size; + return ret < 0 ? AVERROR(errno) : (S_ISFIFO(st.st_mode) ? 0 : st.st_size); } return lseek(fd, pos, whence); } |