diff options
| author | Zhao Zhili <zhilizhao@tencent.com> | 2022-12-15 01:10:07 +0800 |
|---|---|---|
| committer | Zhao Zhili <zhilizhao@tencent.com> | 2023-01-11 18:50:36 +0800 |
| commit | 49b8f043ca3e39141929d8614876131be0a801a9 (patch) | |
| tree | d78b62e0dab27fd8fb8c9eef8bd266ac94794e08 | |
| parent | 0d7c452d84e7ed228601b0285152f158ee2308fd (diff) | |
avformat/file: add fd option for pipe
Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
| -rw-r--r-- | doc/protocols.texi | 4 | ||||
| -rw-r--r-- | libavformat/file.c | 9 | ||||
| -rw-r--r-- | libavformat/version.h | 2 |
3 files changed, 11 insertions, 4 deletions
diff --git a/doc/protocols.texi b/doc/protocols.texi index d1c6fced7b..a686a7f0ac 100644 --- a/doc/protocols.texi +++ b/doc/protocols.texi @@ -687,7 +687,7 @@ The accepted syntax is: pipe:[@var{number}] @end example -@var{number} is the number corresponding to the file descriptor of the +If @option{fd} isn't specified, @var{number} is the number corresponding to the file descriptor of the pipe (e.g. 0 for stdin, 1 for stdout, 2 for stderr). If @var{number} is not specified, by default the stdout file descriptor will be used for writing, stdin for reading. @@ -714,6 +714,8 @@ Set I/O operation maximum block size, in bytes. Default value is @code{INT_MAX}, which results in not limiting the requested block size. Setting this value reasonably low improves user termination request reaction time, which is valuable if data transmission is slow. +@item fd +Set file descriptor. @end table Note that some formats (typically MOV), require the output protocol to diff --git a/libavformat/file.c b/libavformat/file.c index 6103c37b34..db619fcaac 100644 --- a/libavformat/file.c +++ b/libavformat/file.c @@ -92,6 +92,7 @@ static const AVOption file_options[] = { static const AVOption pipe_options[] = { { "blocksize", "set I/O operation maximum block size", offsetof(FileContext, blocksize), AV_OPT_TYPE_INT, { .i64 = INT_MAX }, 1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM }, + { "fd", "set file descriptor", offsetof(FileContext, fd), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM }, { NULL } }; @@ -381,6 +382,8 @@ static int pipe_open(URLContext *h, const char *filename, int flags) FileContext *c = h->priv_data; int fd; char *final; + + if (c->fd < 0) { av_strstart(filename, "pipe:", &filename); fd = strtol(filename, &final, 10); @@ -391,10 +394,12 @@ static int pipe_open(URLContext *h, const char *filename, int flags) fd = 0; } } + c->fd = fd; + } + #if HAVE_SETMODE - setmode(fd, O_BINARY); + setmode(c->fd, O_BINARY); #endif - c->fd = fd; h->is_streamed = 1; return 0; } diff --git a/libavformat/version.h b/libavformat/version.h index a7e5a9ac66..63e753a3aa 100644 --- a/libavformat/version.h +++ b/libavformat/version.h @@ -32,7 +32,7 @@ #include "version_major.h" #define LIBAVFORMAT_VERSION_MINOR 34 -#define LIBAVFORMAT_VERSION_MICRO 102 +#define LIBAVFORMAT_VERSION_MICRO 103 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \ LIBAVFORMAT_VERSION_MINOR, \ |