mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-28 20:53:54 +02:00
434f248723
* qatar/master: (22 commits) ac3enc: move extract_exponents inner loop to ac3dsp avio: deprecate url_get_filename(). avio: deprecate url_max_packet_size(). avio: make url_get_file_handle() internal. avio: make url_filesize() internal. avio: make url_close() internal. avio: make url_seek() internal. avio: cosmetics, move AVSEEK_SIZE/FORCE declarations together avio: make url_write() internal. avio: make url_read_complete() internal. avio: make url_read() internal. avio: make url_open() internal. avio: make url_connect internal. avio: make url_alloc internal. applehttp: Merge two for loops applehttp: Restructure the demuxer to use a custom AVIOContext applehttp: Move finished and target_duration to the variant struct aacenc: reduce the number of loop index variables avio: deprecate url_open_protocol avio: deprecate url_poll and URLPollEntry ... Conflicts: libavformat/applehttp.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
131 lines
3.1 KiB
C
131 lines
3.1 KiB
C
/*
|
|
* Gopher protocol
|
|
*
|
|
* Copyright (c) 2009 Toshimitsu Kimura
|
|
*
|
|
* based on libavformat/http.c, Copyright (c) 2000, 2001 Fabrice Bellard
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* 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.
|
|
*
|
|
* 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 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 "internal.h"
|
|
#include "network.h"
|
|
#include "url.h"
|
|
|
|
typedef struct {
|
|
URLContext *hd;
|
|
} GopherContext;
|
|
|
|
static int gopher_write(URLContext *h, const uint8_t *buf, int size)
|
|
{
|
|
GopherContext *s = h->priv_data;
|
|
return ffurl_write(s->hd, buf, size);
|
|
}
|
|
|
|
static int gopher_connect(URLContext *h, const char *path)
|
|
{
|
|
char buffer[1024];
|
|
|
|
if (!*path) return AVERROR(EINVAL);
|
|
switch (*++path) {
|
|
case '5':
|
|
case '9':
|
|
path = strchr(path, '/');
|
|
if (!path) return AVERROR(EINVAL);
|
|
break;
|
|
default:
|
|
av_log(NULL, AV_LOG_WARNING,
|
|
"Gopher protocol type '%c' not supported yet!\n",
|
|
*path);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
/* send gopher sector */
|
|
snprintf(buffer, sizeof(buffer), "%s\r\n", path);
|
|
|
|
if (gopher_write(h, buffer, strlen(buffer)) < 0)
|
|
return AVERROR(EIO);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gopher_close(URLContext *h)
|
|
{
|
|
GopherContext *s = h->priv_data;
|
|
if (s->hd) {
|
|
ffurl_close(s->hd);
|
|
s->hd = NULL;
|
|
}
|
|
av_freep(&h->priv_data);
|
|
return 0;
|
|
}
|
|
|
|
static int gopher_open(URLContext *h, const char *uri, int flags)
|
|
{
|
|
GopherContext *s;
|
|
char hostname[1024], auth[1024], path[1024], buf[1024];
|
|
int port, err;
|
|
|
|
h->is_streamed = 1;
|
|
|
|
s = av_malloc(sizeof(GopherContext));
|
|
if (!s) {
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
h->priv_data = s;
|
|
|
|
/* needed in any case to build the host string */
|
|
av_url_split(NULL, 0, auth, sizeof(auth), hostname, sizeof(hostname), &port,
|
|
path, sizeof(path), uri);
|
|
|
|
if (port < 0)
|
|
port = 70;
|
|
|
|
ff_url_join(buf, sizeof(buf), "tcp", NULL, hostname, port, NULL);
|
|
|
|
s->hd = NULL;
|
|
err = ffurl_open(&s->hd, buf, URL_RDWR);
|
|
if (err < 0)
|
|
goto fail;
|
|
|
|
if ((err = gopher_connect(h, path)) < 0)
|
|
goto fail;
|
|
return 0;
|
|
fail:
|
|
gopher_close(h);
|
|
return err;
|
|
}
|
|
|
|
static int gopher_read(URLContext *h, uint8_t *buf, int size)
|
|
{
|
|
GopherContext *s = h->priv_data;
|
|
int len = ffurl_read(s->hd, buf, size);
|
|
return len;
|
|
}
|
|
|
|
|
|
URLProtocol ff_gopher_protocol = {
|
|
"gopher",
|
|
gopher_open,
|
|
gopher_read,
|
|
gopher_write,
|
|
NULL, /*seek*/
|
|
gopher_close,
|
|
};
|