* RTP network protocol
* Copyright (c) 2002 Fabrice Bellard
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/parseutils.h"
#include "libavutil/avstring.h"
#include "avformat.h"
+#include "avio_internal.h"
#include "rtpdec.h"
+#include "url.h"
-#include <unistd.h>
#include <stdarg.h>
#include "internal.h"
#include "network.h"
#if HAVE_POLL_H
#include <sys/poll.h>
#endif
-#include <sys/time.h>
#define RTP_TX_BUF_SIZE (64 * 1024)
#define RTP_RX_BUF_SIZE (128 * 1024)
* @return zero if no error.
*/
-int rtp_set_remote_url(URLContext *h, const char *uri)
+int ff_rtp_set_remote_url(URLContext *h, const char *uri)
{
RTPContext *s = h->priv_data;
char hostname[256];
path, sizeof(path), uri);
ff_url_join(buf, sizeof(buf), "udp", NULL, hostname, port, "%s", path);
- udp_set_remote_url(s->rtp_hd, buf);
+ ff_udp_set_remote_url(s->rtp_hd, buf);
ff_url_join(buf, sizeof(buf), "udp", NULL, hostname, port + 1, "%s", path);
- udp_set_remote_url(s->rtcp_hd, buf);
+ ff_udp_set_remote_url(s->rtcp_hd, buf);
return 0;
}
* "http://host:port/path?option1=val1&option2=val2...
*/
-static void url_add_option(char *buf, int buf_size, const char *fmt, ...)
+static av_printf_format(3, 4) void url_add_option(char *buf, int buf_size, const char *fmt, ...)
{
char buf1[1024];
va_list ap;
static int rtp_open(URLContext *h, const char *uri, int flags)
{
- RTPContext *s;
+ RTPContext *s = h->priv_data;
int rtp_port, rtcp_port,
- is_output, ttl, connect,
+ ttl, connect,
local_rtp_port, local_rtcp_port, max_packet_size;
char hostname[256];
char buf[1024];
char path[1024];
const char *p;
- is_output = (flags & URL_WRONLY);
-
- s = av_mallocz(sizeof(RTPContext));
- if (!s)
- return AVERROR(ENOMEM);
- h->priv_data = s;
-
av_url_split(NULL, 0, NULL, 0, hostname, sizeof(hostname), &rtp_port,
path, sizeof(path), uri);
/* extract parameters */
build_udp_url(buf, sizeof(buf),
hostname, rtp_port, local_rtp_port, ttl, max_packet_size,
connect);
- if (url_open(&s->rtp_hd, buf, flags) < 0)
+ if (ffurl_open(&s->rtp_hd, buf, flags, &h->interrupt_callback, NULL) < 0)
goto fail;
if (local_rtp_port>=0 && local_rtcp_port<0)
- local_rtcp_port = udp_get_local_port(s->rtp_hd) + 1;
+ local_rtcp_port = ff_udp_get_local_port(s->rtp_hd) + 1;
build_udp_url(buf, sizeof(buf),
hostname, rtcp_port, local_rtcp_port, ttl, max_packet_size,
connect);
- if (url_open(&s->rtcp_hd, buf, flags) < 0)
+ if (ffurl_open(&s->rtcp_hd, buf, flags, &h->interrupt_callback, NULL) < 0)
goto fail;
/* just to ease handle access. XXX: need to suppress direct handle
access */
- s->rtp_fd = url_get_file_handle(s->rtp_hd);
- s->rtcp_fd = url_get_file_handle(s->rtcp_hd);
+ s->rtp_fd = ffurl_get_file_handle(s->rtp_hd);
+ s->rtcp_fd = ffurl_get_file_handle(s->rtcp_hd);
- h->max_packet_size = url_get_max_packet_size(s->rtp_hd);
+ h->max_packet_size = s->rtp_hd->max_packet_size;
h->is_streamed = 1;
return 0;
fail:
if (s->rtp_hd)
- url_close(s->rtp_hd);
+ ffurl_close(s->rtp_hd);
if (s->rtcp_hd)
- url_close(s->rtcp_hd);
- av_free(s);
+ ffurl_close(s->rtcp_hd);
return AVERROR(EIO);
}
int len, n;
struct pollfd p[2] = {{s->rtp_fd, POLLIN, 0}, {s->rtcp_fd, POLLIN, 0}};
-#if 0
for(;;) {
- from_len = sizeof(from);
- len = recvfrom (s->rtp_fd, buf, size, 0,
- (struct sockaddr *)&from, &from_len);
- if (len < 0) {
- if (ff_neterrno() == FF_NETERROR(EAGAIN) ||
- ff_neterrno() == FF_NETERROR(EINTR))
- continue;
- return AVERROR(EIO);
- }
- break;
- }
-#else
- for(;;) {
- if (url_interrupt_cb())
- return AVERROR(EINTR);
+ if (ff_check_interrupt(&h->interrupt_callback))
+ return AVERROR_EXIT;
/* build fdset to listen to RTP and RTCP packets */
n = poll(p, 2, 100);
if (n > 0) {
len = recvfrom (s->rtcp_fd, buf, size, 0,
(struct sockaddr *)&from, &from_len);
if (len < 0) {
- if (ff_neterrno() == FF_NETERROR(EAGAIN) ||
- ff_neterrno() == FF_NETERROR(EINTR))
+ if (ff_neterrno() == AVERROR(EAGAIN) ||
+ ff_neterrno() == AVERROR(EINTR))
continue;
return AVERROR(EIO);
}
len = recvfrom (s->rtp_fd, buf, size, 0,
(struct sockaddr *)&from, &from_len);
if (len < 0) {
- if (ff_neterrno() == FF_NETERROR(EAGAIN) ||
- ff_neterrno() == FF_NETERROR(EINTR))
+ if (ff_neterrno() == AVERROR(EAGAIN) ||
+ ff_neterrno() == AVERROR(EINTR))
continue;
return AVERROR(EIO);
}
break;
}
} else if (n < 0) {
- if (ff_neterrno() == FF_NETERROR(EINTR))
+ if (ff_neterrno() == AVERROR(EINTR))
continue;
return AVERROR(EIO);
}
}
-#endif
return len;
}
int ret;
URLContext *hd;
- if (buf[1] >= RTCP_SR && buf[1] <= RTCP_APP) {
+ if (RTP_PT_IS_RTCP(buf[1])) {
/* RTCP payload type */
hd = s->rtcp_hd;
} else {
hd = s->rtp_hd;
}
- ret = url_write(hd, buf, size);
-#if 0
- {
- struct timespec ts;
- ts.tv_sec = 0;
- ts.tv_nsec = 10 * 1000000;
- nanosleep(&ts, NULL);
- }
-#endif
+ ret = ffurl_write(hd, buf, size);
return ret;
}
{
RTPContext *s = h->priv_data;
- url_close(s->rtp_hd);
- url_close(s->rtcp_hd);
- av_free(s);
+ ffurl_close(s->rtp_hd);
+ ffurl_close(s->rtcp_hd);
return 0;
}
* @return the local port number
*/
-int rtp_get_local_rtp_port(URLContext *h)
+int ff_rtp_get_local_rtp_port(URLContext *h)
{
RTPContext *s = h->priv_data;
- return udp_get_local_port(s->rtp_hd);
+ return ff_udp_get_local_port(s->rtp_hd);
}
/**
* @return the local port number
*/
-int rtp_get_local_rtcp_port(URLContext *h)
+int ff_rtp_get_local_rtcp_port(URLContext *h)
{
RTPContext *s = h->priv_data;
- return udp_get_local_port(s->rtcp_hd);
+ return ff_udp_get_local_port(s->rtcp_hd);
}
static int rtp_get_file_handle(URLContext *h)
return s->rtp_fd;
}
-int rtp_get_rtcp_file_handle(URLContext *h) {
+int ff_rtp_get_rtcp_file_handle(URLContext *h) {
RTPContext *s = h->priv_data;
return s->rtcp_fd;
}
URLProtocol ff_rtp_protocol = {
- "rtp",
- rtp_open,
- rtp_read,
- rtp_write,
- NULL, /* seek */
- rtp_close,
+ .name = "rtp",
+ .url_open = rtp_open,
+ .url_read = rtp_read,
+ .url_write = rtp_write,
+ .url_close = rtp_close,
.url_get_file_handle = rtp_get_file_handle,
+ .priv_data_size = sizeof(RTPContext),
+ .flags = URL_PROTOCOL_FLAG_NETWORK,
};
projects / ffmpeg / blobdiff