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libavformat/http.c: Make http-listen work as an input stream. 

With this patch http can be used to listen for POST data to be used as an input stream.

Signed-off-by: Stephan Holljes <klaxa1337@googlemail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Stephan Holljes 2015-04-11 22:26:57 +02:00 committed by Michael Niedermayer
parent f944aeb07a
commit b51027fd18
2 changed files with 28 additions and 3 deletions
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24
doc/protocols.texi
View File

@ -279,7 +279,29 @@ Set initial byte offset.
Try to limit the request to bytes preceding this offset.
@item listen
If set to 1 enables experimental HTTP server.
If set to 1 enables experimental HTTP server. This can be used to send data when
used as an output option, or read data from a client with HTTP POST when used as
an input option.
@example
# Server side (sending):
ffmpeg -i somefile.ogg -c copy -listen 1 -f ogg http://@var{server}:@var{port}
# Client side (receiving):
ffmpeg -i http://@var{server}:@var{port} -c copy somefile.ogg
# Client can also be done with wget:
wget http://@var{server}:@var{port} -O somefile.ogg
# Server side (receiving):
ffmpeg -listen 1 -i http://@var{server}:@var{port} -c copy somefile.ogg
# Client side (sending):
ffmpeg -i somefile.ogg -chunked_post 0 -c copy -f ogg http://@var{server}:@var{port}
# Client can also be done with wget:
wget --post-file=somefile.ogg http://@var{server}:@var{port}
@end example
@end table
@subsection HTTP Cookies

7
libavformat/http.c
View File

@ -128,13 +128,14 @@ static const AVOption options[] = {
{ "end_offset", "try to limit the request to bytes preceding this offset", OFFSET(end_off), AV_OPT_TYPE_INT64, { .i64 = 0 }, 0, INT64_MAX, D },
{ "method", "Override the HTTP method", OFFSET(method), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, E },
{ "reconnect", "auto reconnect after disconnect before EOF", OFFSET(reconnect), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, D },
{ "listen", "listen on HTTP", OFFSET(listen), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, E },
{ "listen", "listen on HTTP", OFFSET(listen), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, D | E },
{ NULL }
};
static int http_connect(URLContext *h, const char *path, const char *local_path,
const char *hoststr, const char *auth,
const char *proxyauth, int *new_location);
static int http_read_header(URLContext *h, int *new_location);
void ff_http_init_auth_state(URLContext *dest, const URLContext *src)
{
@ -305,7 +306,7 @@ static int http_listen(URLContext *h, const char *uri, int flags,
static const char header[] = "HTTP/1.1 200 OK\r\nContent-Type: application/octet-stream\r\nTransfer-Encoding: chunked\r\n\r\n";
char hostname[1024];
char lower_url[100];
int port;
int port, new_location;
av_url_split(NULL, 0, NULL, 0, hostname, sizeof(hostname), &port,
NULL, 0, uri);
ff_url_join(lower_url, sizeof(lower_url), "tcp", NULL, hostname, port,
@ -316,6 +317,8 @@ static int http_listen(URLContext *h, const char *uri, int flags,
goto fail;
if ((ret = ffurl_write(s->hd, header, strlen(header))) < 0)
goto fail;
if ((ret = http_read_header(h, &new_location)) < 0)
goto fail;
return 0;
fail: