*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2.0
+ * as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU Lesser General Public
+ * You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
****************************************************************************/
#endif
#include <stdarg.h>
#include <assert.h>
+#include <errno.h>
#include <vlc_common.h>
#include <vlc_demux.h>
-#include <vlc_aout.h>
#include <vlc_network.h>
#include <vlc_plugin.h>
-
-#include <vlc_codecs.h>
+#include <vlc_dialog.h>
#include "rtp.h"
-#include <srtp.h>
-
-#define RTP_CACHING_TEXT N_("RTP de-jitter buffer length (msec)")
-#define RTP_CACHING_LONGTEXT N_( \
- "How long to wait for late RTP packets (and delay the performance)." )
+#ifdef HAVE_SRTP
+# include <srtp.h>
+# include <gcrypt.h>
+# include <vlc_gcrypt.h>
+#endif
#define RTCP_PORT_TEXT N_("RTCP (local) port")
#define RTCP_PORT_LONGTEXT N_( \
#define SRTP_KEY_TEXT N_("SRTP key (hexadecimal)")
#define SRTP_KEY_LONGTEXT N_( \
"RTP packets will be authenticated and deciphered "\
- "with this Secure RTP master shared secret key.")
+ "with this Secure RTP master shared secret key. "\
+ "This must be a 32-character-long hexadecimal string.")
#define SRTP_SALT_TEXT N_("SRTP salt (hexadecimal)")
#define SRTP_SALT_LONGTEXT N_( \
- "Secure RTP requires a (non-secret) master salt value.")
+ "Secure RTP requires a (non-secret) master salt value. " \
+ "This must be a 28-character-long hexadecimal string.")
#define RTP_MAX_SRC_TEXT N_("Maximum RTP sources")
#define RTP_MAX_SRC_LONGTEXT N_( \
"RTP packets will be discarded if they are too far behind (i.e. in the " \
"past) by this many packets from the last received packet." )
+#define RTP_DYNAMIC_PT_TEXT N_("RTP payload format assumed for dynamic " \
+ "payloads")
+#define RTP_DYNAMIC_PT_LONGTEXT N_( \
+ "This payload format will be assumed for dynamic payload types " \
+ "(between 96 and 127) if it can't be determined otherwise with " \
+ "out-of-band mappings (SDP)" )
+
+static const char *const dynamic_pt_list[] = { "theora" };
+static const char *const dynamic_pt_list_text[] = { "Theora Encoded Video" };
+
static int Open (vlc_object_t *);
static void Close (vlc_object_t *);
set_capability ("access_demux", 0)
set_callbacks (Open, Close)
- add_integer ("rtp-caching", 1000, NULL, RTP_CACHING_TEXT,
- RTP_CACHING_LONGTEXT, true)
- change_integer_range (0, 65535)
- change_safe ()
- add_integer ("rtcp-port", 0, NULL, RTCP_PORT_TEXT,
+ add_integer ("rtcp-port", 0, RTCP_PORT_TEXT,
RTCP_PORT_LONGTEXT, false)
change_integer_range (0, 65535)
change_safe ()
- add_string ("srtp-key", "", NULL,
+#ifdef HAVE_SRTP
+ add_string ("srtp-key", "",
SRTP_KEY_TEXT, SRTP_KEY_LONGTEXT, false)
- add_string ("srtp-salt", "", NULL,
+ change_safe ()
+ add_string ("srtp-salt", "",
SRTP_SALT_TEXT, SRTP_SALT_LONGTEXT, false)
- add_integer ("rtp-max-src", 1, NULL, RTP_MAX_SRC_TEXT,
+ change_safe ()
+#endif
+ add_integer ("rtp-max-src", 1, RTP_MAX_SRC_TEXT,
RTP_MAX_SRC_LONGTEXT, true)
change_integer_range (1, 255)
- add_integer ("rtp-timeout", 5, NULL, RTP_TIMEOUT_TEXT,
+ add_integer ("rtp-timeout", 5, RTP_TIMEOUT_TEXT,
RTP_TIMEOUT_LONGTEXT, true)
- add_integer ("rtp-max-dropout", 3000, NULL, RTP_MAX_DROPOUT_TEXT,
+ add_integer ("rtp-max-dropout", 3000, RTP_MAX_DROPOUT_TEXT,
RTP_MAX_DROPOUT_LONGTEXT, true)
change_integer_range (0, 32767)
- add_integer ("rtp-max-misorder", 100, NULL, RTP_MAX_MISORDER_TEXT,
+ add_integer ("rtp-max-misorder", 100, RTP_MAX_MISORDER_TEXT,
RTP_MAX_MISORDER_LONGTEXT, true)
change_integer_range (0, 32767)
+ add_string ("rtp-dynamic-pt", NULL, RTP_DYNAMIC_PT_TEXT,
+ RTP_DYNAMIC_PT_LONGTEXT, true)
+ change_string_list (dynamic_pt_list, dynamic_pt_list_text, NULL)
- add_shortcut ("dccp")
/*add_shortcut ("sctp")*/
- add_shortcut ("rtptcp") /* "tcp" is already taken :( */
- add_shortcut ("rtp")
- add_shortcut ("udplite")
+ add_shortcut ("dccp", "rtptcp", /* "tcp" is already taken :( */
+ "rtp", "udplite")
vlc_module_end ()
/*
/*
* Local prototypes
*/
-static int Demux (demux_t *);
static int Control (demux_t *, int i_query, va_list args);
static int extract_port (char **phost);
else
return VLC_EGENERIC;
- char *tmp = strdup (demux->psz_path);
- char *shost = tmp;
- if (shost == NULL)
+ char *tmp = strdup (demux->psz_location);
+ if (tmp == NULL)
return VLC_ENOMEM;
- char *dhost = strchr (shost, '@');
- if (dhost)
- *dhost++ = '\0';
+ char *shost;
+ char *dhost = strchr (tmp, '@');
+ if (dhost != NULL)
+ {
+ *(dhost++) = '\0';
+ shost = tmp;
+ }
+ else
+ {
+ dhost = tmp;
+ shost = NULL;
+ }
/* Parses the port numbers */
int sport = 0, dport = 0;
- sport = extract_port (&shost);
+ if (shost != NULL)
+ sport = extract_port (&shost);
if (dhost != NULL)
dport = extract_port (&dhost);
if (dport == 0)
{
case IPPROTO_UDP:
case IPPROTO_UDPLITE:
- fd = net_OpenDgram (obj, dhost, dport,
- shost, sport, AF_UNSPEC, tp);
+ fd = net_OpenDgram (obj, dhost, dport, shost, sport, tp);
if (fd == -1)
break;
if (rtcp_dport > 0) /* XXX: source port is unknown */
- rtcp_fd = net_OpenDgram (obj, dhost, rtcp_dport, shost, 0,
- AF_UNSPEC, tp);
+ rtcp_fd = net_OpenDgram (obj, dhost, rtcp_dport, shost, 0, tp);
break;
case IPPROTO_DCCP:
#ifdef SOCK_DCCP
var_Create (obj, "dccp-service", VLC_VAR_STRING);
var_SetString (obj, "dccp-service", "RTPV"); /* FIXME: RTPA? */
- fd = net_Connect (obj, shost, sport, SOCK_DCCP, tp);
+ fd = net_Connect (obj, dhost, dport, SOCK_DCCP, tp);
#else
msg_Err (obj, "DCCP support not included");
#endif
break;
case IPPROTO_TCP:
- fd = net_Connect (obj, shost, sport, SOCK_STREAM, tp);
+ fd = net_Connect (obj, dhost, dport, SOCK_STREAM, tp);
break;
}
return VLC_EGENERIC;
}
- vlc_mutex_init (&p_sys->lock);
- vlc_cond_init (&p_sys->wait);
+#ifdef HAVE_SRTP
p_sys->srtp = NULL;
+#endif
p_sys->fd = fd;
p_sys->rtcp_fd = rtcp_fd;
- p_sys->caching = var_CreateGetInteger (obj, "rtp-caching");
p_sys->max_src = var_CreateGetInteger (obj, "rtp-max-src");
- p_sys->timeout = var_CreateGetInteger (obj, "rtp-timeout");
+ p_sys->timeout = var_CreateGetInteger (obj, "rtp-timeout")
+ * CLOCK_FREQ;
p_sys->max_dropout = var_CreateGetInteger (obj, "rtp-max-dropout");
p_sys->max_misorder = var_CreateGetInteger (obj, "rtp-max-misorder");
- p_sys->framed_rtp = (tp == IPPROTO_TCP);
- p_sys->dead = false;
+ p_sys->thread_ready = false;
+ p_sys->autodetect = true;
- demux->pf_demux = Demux;
+ demux->pf_demux = NULL;
demux->pf_control = Control;
demux->p_sys = p_sys;
if (p_sys->session == NULL)
goto error;
+#ifdef HAVE_SRTP
char *key = var_CreateGetNonEmptyString (demux, "srtp-key");
if (key)
{
+ vlc_gcrypt_init ();
p_sys->srtp = srtp_create (SRTP_ENCR_AES_CM, SRTP_AUTH_HMAC_SHA1, 10,
SRTP_PRF_AES_CM, SRTP_RCC_MODE1);
if (p_sys->srtp == NULL)
goto error;
}
}
+#endif
- if (vlc_clone (&p_sys->thread, rtp_thread, demux,
- VLC_THREAD_PRIORITY_INPUT))
+ if (vlc_clone (&p_sys->thread,
+ (tp != IPPROTO_TCP) ? rtp_dgram_thread : rtp_stream_thread,
+ demux, VLC_THREAD_PRIORITY_INPUT))
goto error;
p_sys->thread_ready = true;
return VLC_SUCCESS;
vlc_cancel (p_sys->thread);
vlc_join (p_sys->thread, NULL);
}
- vlc_cond_destroy (&p_sys->wait);
- vlc_mutex_destroy (&p_sys->lock);
+#ifdef HAVE_SRTP
if (p_sys->srtp)
srtp_destroy (p_sys->srtp);
+#endif
if (p_sys->session)
rtp_session_destroy (demux, p_sys->session);
if (p_sys->rtcp_fd != -1)
*/
static int Control (demux_t *demux, int i_query, va_list args)
{
- demux_sys_t *p_sys = demux->p_sys;
-
switch (i_query)
{
case DEMUX_GET_POSITION:
case DEMUX_GET_PTS_DELAY:
{
int64_t *v = va_arg (args, int64_t *);
- *v = p_sys->caching * 1000;
+ *v = INT64_C(1000) * var_InheritInteger (demux, "network-caching");
return VLC_SUCCESS;
}
* Generic packet handlers
*/
-static void *codec_init (demux_t *demux, es_format_t *fmt)
+void *codec_init (demux_t *demux, es_format_t *fmt)
{
return es_out_Add (demux->out, fmt);
}
-static void codec_destroy (demux_t *demux, void *data)
+void codec_destroy (demux_t *demux, void *data)
{
if (data)
es_out_Del (demux->out, (es_out_id_t *)data);
}
/* Send a packet to decoder */
-static void codec_decode (demux_t *demux, void *data, block_t *block)
+void codec_decode (demux_t *demux, void *data, block_t *block)
{
if (data)
{
- block->i_dts = 0; /* RTP does not specify this */
+ block->i_dts = VLC_TS_INVALID; /* RTP does not specify this */
es_out_Control (demux->out, ES_OUT_SET_PCR, block->i_pts );
es_out_Send (demux->out, (es_out_id_t *)data, block);
}
block_Release (block);
}
-
static void *stream_init (demux_t *demux, const char *name)
{
return stream_DemuxNew (demux, name, demux->out);
(void)demux;
}
+static void *demux_init (demux_t *demux)
+{
+ return stream_init (demux, demux->psz_demux);
+}
+
/*
* Static payload types handler
*/
/* Not using SDP, we need to guess the payload format used */
/* see http://www.iana.org/assignments/rtp-parameters */
-int rtp_autodetect (demux_t *demux, rtp_session_t *session,
- const block_t *block)
+void rtp_autodetect (demux_t *demux, rtp_session_t *session,
+ const block_t *block)
{
uint8_t ptype = rtp_ptype (block);
rtp_pt_t pt = {
break;
default:
- return -1;
+ /*
+ * If the rtp payload type is unknown then check demux if it is specified
+ */
+ if (!strcmp(demux->psz_demux, "h264")
+ || !strcmp(demux->psz_demux, "ts"))
+ {
+ msg_Dbg (demux, "dynamic payload format %s specified by demux",
+ demux->psz_demux);
+ pt.init = demux_init;
+ pt.destroy = stream_destroy;
+ pt.decode = stream_decode;
+ pt.frequency = 90000;
+ break;
+ }
+ if (ptype >= 96)
+ {
+ char *dynamic = var_InheritString(demux, "rtp-dynamic-pt");
+ if (dynamic == NULL)
+ ;
+ else if (!strcmp(dynamic, "theora"))
+ {
+ msg_Dbg (demux, "assuming Theora Encoded Video");
+ pt.init = theora_init;
+ pt.destroy = xiph_destroy;
+ pt.decode = xiph_decode;
+ pt.frequency = 90000;
+ }
+ else
+ msg_Err (demux, "unknown dynamic payload format `%s' "
+ "specified", dynamic);
+ free (dynamic);
+ }
+
+ msg_Err (demux, "unspecified payload format (type %"PRIu8")", ptype);
+ msg_Info (demux, "A valid SDP is needed to parse this RTP stream.");
+ dialog_Fatal (demux, N_("SDP required"),
+ N_("A description in SDP format is required to receive the RTP "
+ "stream. Note that rtp:// URIs cannot work with dynamic "
+ "RTP payload format (%"PRIu8")."), ptype);
+ return;
}
rtp_add_type (demux, session, &pt);
- return 0;
}
/*
* Dynamic payload type handlers
- * Hmm, none implemented yet.
+ * Hmm, none implemented yet apart from Xiph ones.
*/
-
-/**
- * Processing callback
- */
-static int Demux (demux_t *demux)
-{
- return rtp_process (demux) ? 0 : 1;
-}