X-Git-Url: https://rtime.felk.cvut.cz/gitweb/frescor/ffmpeg.git/blobdiff_plain/438ba2ff2774ac5c53305a99d882fffcd6515c37..c84778a4e1e6a1123d117482a81fe925325ac010:/libavformat/file.c diff --git a/libavformat/file.c b/libavformat/file.c index 7acf44613..c041e562a 100644 --- a/libavformat/file.c +++ b/libavformat/file.c @@ -18,17 +18,29 @@ * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ + +#define _GNU_SOURCE +#include "libavutil/avstring.h" #include "avformat.h" -#include "avstring.h" #include +#if HAVE_SETMODE +#include +#endif #include #include +#include +#include "os_support.h" /* standard file protocol */ +struct FileContext { + int fd; +}; + static int file_open(URLContext *h, const char *filename, int flags) { + struct FileContext *s = h->priv_data; int access; int fd; @@ -41,41 +53,56 @@ static int file_open(URLContext *h, const char *filename, int flags) } else { access = O_RDONLY; } -#if defined(__MINGW32__) || defined(CONFIG_OS2) || defined(__CYGWIN__) +#ifdef O_BINARY access |= O_BINARY; #endif + s = av_malloc(sizeof(struct FileContext)); + if (!s) + return AVERROR(ENOMEM); + if (flags & URL_DIRECT) + access |= O_DIRECT; fd = open(filename, access, 0666); if (fd < 0) return AVERROR(ENOENT); - h->priv_data = (void *)(size_t)fd; + s->fd = fd; + h->priv_data = (void *) s; return 0; } static int file_read(URLContext *h, unsigned char *buf, int size) { - int fd = (size_t)h->priv_data; + struct FileContext *s = h->priv_data; + int fd = s->fd; return read(fd, buf, size); } static int file_write(URLContext *h, unsigned char *buf, int size) { - int fd = (size_t)h->priv_data; + struct FileContext *s = h->priv_data; + int fd = s->fd; return write(fd, buf, size); } /* XXX: use llseek */ -static offset_t file_seek(URLContext *h, offset_t pos, int whence) +static int64_t file_seek(URLContext *h, int64_t pos, int whence) { - int fd = (size_t)h->priv_data; + struct FileContext *s = h->priv_data; + int fd = s->fd; return lseek(fd, pos, whence); } static int file_close(URLContext *h) { - int fd = (size_t)h->priv_data; + struct FileContext *s = h->priv_data; + int fd = s->fd; return close(fd); } +static int file_get_handle(URLContext *h) +{ + return (intptr_t) h->priv_data; +} + URLProtocol file_protocol = { "file", file_open, @@ -83,6 +110,7 @@ URLProtocol file_protocol = { file_write, file_seek, file_close, + .url_get_file_handle = file_get_handle, }; /* pipe protocol */ @@ -90,42 +118,29 @@ URLProtocol file_protocol = { static int pipe_open(URLContext *h, const char *filename, int flags) { int fd; - - if (flags & URL_WRONLY) { - fd = 1; - } else { - fd = 0; + char *final; + av_strstart(filename, "pipe:", &filename); + + fd = strtol(filename, &final, 10); + if((filename == final) || *final ) {/* No digits found, or something like 10ab */ + if (flags & URL_WRONLY) { + fd = 1; + } else { + fd = 0; + } } -#if defined(__MINGW32__) || defined(CONFIG_OS2) || defined(__CYGWIN__) +#if HAVE_SETMODE setmode(fd, O_BINARY); #endif - h->priv_data = (void *)(size_t)fd; + h->priv_data = (void *) (intptr_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, + file_read, + file_write, + .url_get_file_handle = file_get_handle, };