/*
* RTSP/SDP client
- * Copyright (c) 2002 Fabrice Bellard.
+ * Copyright (c) 2002 Fabrice Bellard
*
- * This library is free software; you can redistribute it and/or
+ * 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 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * 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 this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+
+/* needed by inet_aton() */
+#define _SVID_SOURCE
+
+#include "libavutil/base64.h"
+#include "libavutil/avstring.h"
+#include "libavutil/intreadwrite.h"
#include "avformat.h"
-#include <unistd.h> /* for select() prototype */
#include <sys/time.h>
-#include <netinet/in.h>
-#include <sys/socket.h>
-#ifndef __BEOS__
-# include <arpa/inet.h>
-#else
-# include "barpainet.h"
+#if HAVE_SYS_SELECT_H
+#include <sys/select.h>
#endif
+#include <strings.h>
+#include "network.h"
+#include "rtsp.h"
+
+#include "rtpdec.h"
+#include "rdt.h"
+#include "rtp_asf.h"
+#include "rtp_vorbis.h"
//#define DEBUG
//#define DEBUG_RTP_TCP
-typedef struct RTSPState {
- URLContext *rtsp_hd; /* RTSP TCP connexion handle */
- int nb_rtsp_streams;
- struct RTSPStream **rtsp_streams;
-
- /* XXX: currently we use unbuffered input */
- // ByteIOContext rtsp_gb;
- int seq; /* RTSP command sequence number */
- char session_id[512];
- enum RTSPProtocol protocol;
- char last_reply[2048]; /* XXX: allocate ? */
- RTPDemuxContext *cur_rtp;
-} RTSPState;
-
-typedef struct RTSPStream {
- URLContext *rtp_handle; /* RTP stream handle */
- RTPDemuxContext *rtp_ctx; /* RTP parse context */
-
- int stream_index; /* corresponding stream index, if any. -1 if none (MPEG2TS case) */
- int interleaved_min, interleaved_max; /* interleave ids, if TCP transport */
- char control_url[1024]; /* url for this stream (from SDP) */
-
- int sdp_port; /* port (from SDP content - not used in RTSP) */
- struct in_addr sdp_ip; /* IP address (from SDP content - not used in RTSP) */
- int sdp_ttl; /* IP TTL (from SDP content - not used in RTSP) */
- int sdp_payload_type; /* payload type - only used in SDP */
-} RTSPStream;
-
-/* XXX: currently, the only way to change the protocols consists in
- changing this variable */
-#if 1
-int rtsp_default_protocols = (1 << RTSP_PROTOCOL_RTP_TCP) | (1 << RTSP_PROTOCOL_RTP_UDP) | (1 << RTSP_PROTOCOL_RTP_UDP_MULTICAST);
-#else
-/* try it if a proxy is used */
-int rtsp_default_protocols = (1 << RTSP_PROTOCOL_RTP_TCP);
-#endif
-
-/* if non zero, then set a range for RTP ports */
-int rtsp_rtp_port_min = 0;
-int rtsp_rtp_port_max = 0;
+static int rtsp_read_play(AVFormatContext *s);
-FFRTSPCallback *ff_rtsp_callback = NULL;
+#if LIBAVFORMAT_VERSION_INT < (53 << 16)
+int rtsp_default_protocols = (1 << RTSP_LOWER_TRANSPORT_UDP);
+#endif
static int rtsp_probe(AVProbeData *p)
{
- if (strstart(p->filename, "rtsp:", NULL))
+ if (av_strstart(p->filename, "rtsp:", NULL))
return AVPROBE_SCORE_MAX;
return 0;
}
-static int redir_isspace(int c)
-{
- return (c == ' ' || c == '\t' || c == '\n' || c == '\r');
-}
-
+#define SPACE_CHARS " \t\r\n"
+/* we use memchr() instead of strchr() here because strchr() will return
+ * the terminating '\0' of SPACE_CHARS instead of NULL if c is '\0'. */
+#define redir_isspace(c) memchr(SPACE_CHARS, c, 4)
static void skip_spaces(const char **pp)
{
const char *p;
*pp = p;
}
-static void get_word_sep(char *buf, int buf_size, const char *sep,
- const char **pp)
+static void get_word_until_chars(char *buf, int buf_size,
+ const char *sep, const char **pp)
{
const char *p;
char *q;
*pp = p;
}
-static void get_word(char *buf, int buf_size, const char **pp)
+static void get_word_sep(char *buf, int buf_size, const char *sep,
+ const char **pp)
{
- const char *p;
- char *q;
+ if (**pp == '/') (*pp)++;
+ get_word_until_chars(buf, buf_size, sep, pp);
+}
- p = *pp;
- skip_spaces(&p);
- q = buf;
- while (!redir_isspace(*p) && *p != '\0') {
- if ((q - buf) < buf_size - 1)
- *q++ = *p;
- p++;
- }
- if (buf_size > 0)
- *q = '\0';
- *pp = p;
+static void get_word(char *buf, int buf_size, const char **pp)
+{
+ get_word_until_chars(buf, buf_size, SPACE_CHARS, pp);
}
/* parse the rtpmap description: <codec_name>/<clock_rate>[/<other
params>] */
-static int sdp_parse_rtpmap(AVCodecContext *codec, const char *p)
+static int sdp_parse_rtpmap(AVCodecContext *codec, RTSPStream *rtsp_st, int payload_type, const char *p)
{
char buf[256];
+ int i;
+ AVCodec *c;
+ const char *c_name;
- /* codec name */
+ /* Loop into AVRtpDynamicPayloadTypes[] and AVRtpPayloadTypes[] and
+ see if we can handle this kind of payload */
get_word_sep(buf, sizeof(buf), "/", &p);
- if (!strcmp(buf, "MP4V-ES")) {
- codec->codec_id = CODEC_ID_MPEG4;
- return 0;
+ if (payload_type >= RTP_PT_PRIVATE) {
+ RTPDynamicProtocolHandler *handler= RTPFirstDynamicPayloadHandler;
+ while(handler) {
+ if (!strcasecmp(buf, handler->enc_name) && (codec->codec_type == handler->codec_type)) {
+ codec->codec_id = handler->codec_id;
+ rtsp_st->dynamic_handler= handler;
+ if(handler->open) {
+ rtsp_st->dynamic_protocol_context= handler->open();
+ }
+ break;
+ }
+ handler= handler->next;
+ }
} else {
- return -1;
+ /* We are in a standard case ( from http://www.iana.org/assignments/rtp-parameters) */
+ /* search into AVRtpPayloadTypes[] */
+ codec->codec_id = ff_rtp_codec_id(buf, codec->codec_type);
+ }
+
+ c = avcodec_find_decoder(codec->codec_id);
+ if (c && c->name)
+ c_name = c->name;
+ else
+ c_name = (char *)NULL;
+
+ if (c_name) {
+ get_word_sep(buf, sizeof(buf), "/", &p);
+ i = atoi(buf);
+ switch (codec->codec_type) {
+ case CODEC_TYPE_AUDIO:
+ av_log(codec, AV_LOG_DEBUG, " audio codec set to : %s\n", c_name);
+ codec->sample_rate = RTSP_DEFAULT_AUDIO_SAMPLERATE;
+ codec->channels = RTSP_DEFAULT_NB_AUDIO_CHANNELS;
+ if (i > 0) {
+ codec->sample_rate = i;
+ get_word_sep(buf, sizeof(buf), "/", &p);
+ i = atoi(buf);
+ if (i > 0)
+ codec->channels = i;
+ // TODO: there is a bug here; if it is a mono stream, and less than 22000Hz, faad upconverts to stereo and twice the
+ // frequency. No problem, but the sample rate is being set here by the sdp line. Upcoming patch forthcoming. (rdm)
+ }
+ av_log(codec, AV_LOG_DEBUG, " audio samplerate set to : %i\n", codec->sample_rate);
+ av_log(codec, AV_LOG_DEBUG, " audio channels set to : %i\n", codec->channels);
+ break;
+ case CODEC_TYPE_VIDEO:
+ av_log(codec, AV_LOG_DEBUG, " video codec set to : %s\n", c_name);
+ break;
+ default:
+ break;
+ }
+ return 0;
}
+
+ return -1;
}
/* return the length and optionnaly the data */
v = 1;
for(;;) {
skip_spaces(&p);
- if (p == '\0')
+ if (*p == '\0')
break;
c = toupper((unsigned char)*p++);
if (c >= '0' && c <= '9')
return len;
}
-static void sdp_parse_fmtp(AVCodecContext *codec, const char *p)
+static void sdp_parse_fmtp_config(AVCodecContext * codec, void *ctx,
+ char *attr, char *value)
{
- char attr[256];
- char value[4096];
- int len;
-
- /* loop on each attribute */
- for(;;) {
- skip_spaces(&p);
- if (*p == '\0')
- break;
- get_word_sep(attr, sizeof(attr), "=", &p);
- if (*p == '=')
- p++;
- get_word_sep(value, sizeof(value), ";", &p);
- if (*p == ';')
- p++;
- /* handle MPEG4 video */
- switch(codec->codec_id) {
+ switch (codec->codec_id) {
case CODEC_ID_MPEG4:
+ case CODEC_ID_AAC:
if (!strcmp(attr, "config")) {
/* decode the hexa encoded parameter */
- len = hex_to_data(NULL, value);
- codec->extradata = av_mallocz(len);
+ int len = hex_to_data(NULL, value);
+ if (codec->extradata)
+ av_free(codec->extradata);
+ codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
if (!codec->extradata)
- goto fail;
+ return;
codec->extradata_size = len;
hex_to_data(codec->extradata, value);
}
break;
+ case CODEC_ID_VORBIS:
+ ff_vorbis_parse_fmtp_config(codec, ctx, attr, value);
+ break;
default:
- /* ignore data for other codecs */
break;
+ }
+ return;
+}
+
+typedef struct {
+ const char *str;
+ uint16_t type;
+ uint32_t offset;
+} AttrNameMap;
+
+/* All known fmtp parmeters and the corresping RTPAttrTypeEnum */
+#define ATTR_NAME_TYPE_INT 0
+#define ATTR_NAME_TYPE_STR 1
+static const AttrNameMap attr_names[]=
+{
+ {"SizeLength", ATTR_NAME_TYPE_INT, offsetof(RTPPayloadData, sizelength)},
+ {"IndexLength", ATTR_NAME_TYPE_INT, offsetof(RTPPayloadData, indexlength)},
+ {"IndexDeltaLength", ATTR_NAME_TYPE_INT, offsetof(RTPPayloadData, indexdeltalength)},
+ {"profile-level-id", ATTR_NAME_TYPE_INT, offsetof(RTPPayloadData, profile_level_id)},
+ {"StreamType", ATTR_NAME_TYPE_INT, offsetof(RTPPayloadData, streamtype)},
+ {"mode", ATTR_NAME_TYPE_STR, offsetof(RTPPayloadData, mode)},
+ {NULL, -1, -1},
+};
+
+/** parse the attribute line from the fmtp a line of an sdp resonse. This is broken out as a function
+* because it is used in rtp_h264.c, which is forthcoming.
+*/
+int rtsp_next_attr_and_value(const char **p, char *attr, int attr_size, char *value, int value_size)
+{
+ skip_spaces(p);
+ if(**p) {
+ get_word_sep(attr, attr_size, "=", p);
+ if (**p == '=')
+ (*p)++;
+ get_word_sep(value, value_size, ";", p);
+ if (**p == ';')
+ (*p)++;
+ return 1;
+ }
+ return 0;
+}
+
+/* parse a SDP line and save stream attributes */
+static void sdp_parse_fmtp(AVStream *st, const char *p)
+{
+ char attr[256];
+ /* Vorbis setup headers can be up to 12KB and are sent base64
+ * encoded, giving a 12KB * (4/3) = 16KB FMTP line. */
+ char value[16384];
+ int i;
+
+ RTSPStream *rtsp_st = st->priv_data;
+ AVCodecContext *codec = st->codec;
+ RTPPayloadData *rtp_payload_data = &rtsp_st->rtp_payload_data;
+
+ /* loop on each attribute */
+ while(rtsp_next_attr_and_value(&p, attr, sizeof(attr), value, sizeof(value)))
+ {
+ /* grab the codec extra_data from the config parameter of the fmtp line */
+ sdp_parse_fmtp_config(codec, rtsp_st->dynamic_protocol_context,
+ attr, value);
+ /* Looking for a known attribute */
+ for (i = 0; attr_names[i].str; ++i) {
+ if (!strcasecmp(attr, attr_names[i].str)) {
+ if (attr_names[i].type == ATTR_NAME_TYPE_INT)
+ *(int *)((char *)rtp_payload_data + attr_names[i].offset) = atoi(value);
+ else if (attr_names[i].type == ATTR_NAME_TYPE_STR)
+ *(char **)((char *)rtp_payload_data + attr_names[i].offset) = av_strdup(value);
+ }
}
- fail: ;
- // printf("'%s' = '%s'\n", attr, value);
}
}
+/** Parse a string \p in the form of Range:npt=xx-xx, and determine the start
+ * and end time.
+ * Used for seeking in the rtp stream.
+ */
+static void rtsp_parse_range_npt(const char *p, int64_t *start, int64_t *end)
+{
+ char buf[256];
+
+ skip_spaces(&p);
+ if (!av_stristart(p, "npt=", &p))
+ return;
+
+ *start = AV_NOPTS_VALUE;
+ *end = AV_NOPTS_VALUE;
+
+ get_word_sep(buf, sizeof(buf), "-", &p);
+ *start = parse_date(buf, 1);
+ if (*p == '-') {
+ p++;
+ get_word_sep(buf, sizeof(buf), "-", &p);
+ *end = parse_date(buf, 1);
+ }
+// av_log(NULL, AV_LOG_DEBUG, "Range Start: %lld\n", *start);
+// av_log(NULL, AV_LOG_DEBUG, "Range End: %lld\n", *end);
+}
+
typedef struct SDPParseState {
/* SDP only */
struct in_addr default_ip;
int default_ttl;
+ int skip_media; ///< set if an unknown m= line occurs
} SDPParseState;
static void sdp_parse_line(AVFormatContext *s, SDPParseState *s1,
RTSPState *rt = s->priv_data;
char buf1[64], st_type[64];
const char *p;
- int codec_type, payload_type, i;
+ enum CodecType codec_type;
+ int payload_type, i;
AVStream *st;
RTSPStream *rtsp_st;
struct in_addr sdp_ip;
int ttl;
-#ifdef DEBUG
- printf("sdp: %c='%s'\n", letter, buf);
-#endif
+ dprintf(s, "sdp: %c='%s'\n", letter, buf);
p = buf;
+ if (s1->skip_media && letter != 'm')
+ return;
switch(letter) {
case 'c':
get_word(buf1, sizeof(buf1), &p);
}
break;
case 's':
- pstrcpy(s->title, sizeof(s->title), p);
+ av_metadata_set(&s->metadata, "title", p);
break;
case 'i':
if (s->nb_streams == 0) {
- pstrcpy(s->comment, sizeof(s->comment), p);
+ av_metadata_set(&s->metadata, "comment", p);
break;
}
break;
case 'm':
/* new stream */
+ s1->skip_media = 0;
get_word(st_type, sizeof(st_type), &p);
if (!strcmp(st_type, "audio")) {
codec_type = CODEC_TYPE_AUDIO;
} else if (!strcmp(st_type, "video")) {
codec_type = CODEC_TYPE_VIDEO;
+ } else if (!strcmp(st_type, "application")) {
+ codec_type = CODEC_TYPE_DATA;
} else {
+ s1->skip_media = 1;
return;
}
rtsp_st = av_mallocz(sizeof(RTSPStream));
rtsp_st->sdp_port = atoi(buf1);
get_word(buf1, sizeof(buf1), &p); /* protocol (ignored) */
-
+
/* XXX: handle list of formats */
get_word(buf1, sizeof(buf1), &p); /* format list */
rtsp_st->sdp_payload_type = atoi(buf1);
- if (rtsp_st->sdp_payload_type == RTP_PT_MPEG2TS) {
+ if (!strcmp(ff_rtp_enc_name(rtsp_st->sdp_payload_type), "MP2T")) {
/* no corresponding stream */
} else {
st = av_new_stream(s, 0);
return;
st->priv_data = rtsp_st;
rtsp_st->stream_index = st->index;
- st->codec.codec_type = codec_type;
- if (rtsp_st->sdp_payload_type < 96) {
+ st->codec->codec_type = codec_type;
+ if (rtsp_st->sdp_payload_type < RTP_PT_PRIVATE) {
/* if standard payload type, we can find the codec right now */
- rtp_get_codec_info(&st->codec, rtsp_st->sdp_payload_type);
+ ff_rtp_get_codec_info(st->codec, rtsp_st->sdp_payload_type);
}
}
/* put a default control url */
- pstrcpy(rtsp_st->control_url, sizeof(rtsp_st->control_url), s->filename);
+ av_strlcpy(rtsp_st->control_url, s->filename, sizeof(rtsp_st->control_url));
break;
case 'a':
- if (strstart(p, "control:", &p) && s->nb_streams > 0) {
+ if (av_strstart(p, "control:", &p) && s->nb_streams > 0) {
char proto[32];
/* get the control url */
st = s->streams[s->nb_streams - 1];
rtsp_st = st->priv_data;
-
+
/* XXX: may need to add full url resolution */
- url_split(proto, sizeof(proto), NULL, 0, NULL, NULL, 0, p);
+ url_split(proto, sizeof(proto), NULL, 0, NULL, 0, NULL, NULL, 0, p);
if (proto[0] == '\0') {
/* relative control URL */
- pstrcat(rtsp_st->control_url, sizeof(rtsp_st->control_url), "/");
- pstrcat(rtsp_st->control_url, sizeof(rtsp_st->control_url), p);
+ av_strlcat(rtsp_st->control_url, "/", sizeof(rtsp_st->control_url));
+ av_strlcat(rtsp_st->control_url, p, sizeof(rtsp_st->control_url));
} else {
- pstrcpy(rtsp_st->control_url, sizeof(rtsp_st->control_url), p);
+ av_strlcpy(rtsp_st->control_url, p, sizeof(rtsp_st->control_url));
}
- } else if (strstart(p, "rtpmap:", &p)) {
+ } else if (av_strstart(p, "rtpmap:", &p) && s->nb_streams > 0) {
/* NOTE: rtpmap is only supported AFTER the 'm=' tag */
- get_word(buf1, sizeof(buf1), &p);
+ get_word(buf1, sizeof(buf1), &p);
+ payload_type = atoi(buf1);
+ st = s->streams[s->nb_streams - 1];
+ rtsp_st = st->priv_data;
+ sdp_parse_rtpmap(st->codec, rtsp_st, payload_type, p);
+ } else if (av_strstart(p, "fmtp:", &p)) {
+ /* NOTE: fmtp is only supported AFTER the 'a=rtpmap:xxx' tag */
+ get_word(buf1, sizeof(buf1), &p);
payload_type = atoi(buf1);
for(i = 0; i < s->nb_streams;i++) {
st = s->streams[i];
rtsp_st = st->priv_data;
if (rtsp_st->sdp_payload_type == payload_type) {
- sdp_parse_rtpmap(&st->codec, p);
+ if(rtsp_st->dynamic_handler && rtsp_st->dynamic_handler->parse_sdp_a_line) {
+ if(!rtsp_st->dynamic_handler->parse_sdp_a_line(s, i, rtsp_st->dynamic_protocol_context, buf)) {
+ sdp_parse_fmtp(st, p);
+ }
+ } else {
+ sdp_parse_fmtp(st, p);
+ }
}
}
- } else if (strstart(p, "fmtp:", &p)) {
- /* NOTE: fmtp is only supported AFTER the 'a=rtpmap:xxx' tag */
- get_word(buf1, sizeof(buf1), &p);
+ } else if(av_strstart(p, "framesize:", &p)) {
+ // let dynamic protocol handlers have a stab at the line.
+ get_word(buf1, sizeof(buf1), &p);
payload_type = atoi(buf1);
for(i = 0; i < s->nb_streams;i++) {
st = s->streams[i];
rtsp_st = st->priv_data;
if (rtsp_st->sdp_payload_type == payload_type) {
- sdp_parse_fmtp(&st->codec, p);
+ if(rtsp_st->dynamic_handler && rtsp_st->dynamic_handler->parse_sdp_a_line) {
+ rtsp_st->dynamic_handler->parse_sdp_a_line(s, i, rtsp_st->dynamic_protocol_context, buf);
+ }
}
}
+ } else if(av_strstart(p, "range:", &p)) {
+ int64_t start, end;
+
+ // this is so that seeking on a streamed file can work.
+ rtsp_parse_range_npt(p, &start, &end);
+ s->start_time= start;
+ s->duration= (end==AV_NOPTS_VALUE)?AV_NOPTS_VALUE:end-start; // AV_NOPTS_VALUE means live broadcast (and can't seek)
+ } else if (av_strstart(p, "IsRealDataType:integer;",&p)) {
+ if (atoi(p) == 1)
+ rt->transport = RTSP_TRANSPORT_RDT;
+ } else {
+ if (rt->server_type == RTSP_SERVER_WMS)
+ ff_wms_parse_sdp_a_line(s, p);
+ if (s->nb_streams > 0) {
+ if (rt->server_type == RTSP_SERVER_REAL)
+ ff_real_parse_sdp_a_line(s, s->nb_streams - 1, p);
+
+ rtsp_st = s->streams[s->nb_streams - 1]->priv_data;
+ if (rtsp_st->dynamic_handler &&
+ rtsp_st->dynamic_handler->parse_sdp_a_line)
+ rtsp_st->dynamic_handler->parse_sdp_a_line(s, s->nb_streams - 1,
+ rtsp_st->dynamic_protocol_context, buf);
+ }
}
break;
}
{
const char *p;
int letter;
- char buf[1024], *q;
+ /* Some SDP lines, particularly for Realmedia or ASF RTSP streams,
+ * contain long SDP lines containing complete ASF Headers (several
+ * kB) or arrays of MDPR (RM stream descriptor) headers plus
+ * "rulebooks" describing their properties. Therefore, the SDP line
+ * buffer is large.
+ *
+ * The Vorbis FMTP line can be up to 16KB - see sdp_parse_fmtp. */
+ char buf[16384], *q;
SDPParseState sdp_parse_state, *s1 = &sdp_parse_state;
-
+
memset(s1, 0, sizeof(SDPParseState));
p = content;
for(;;) {
}
/* XXX: only one transport specification is parsed */
-static void rtsp_parse_transport(RTSPHeader *reply, const char *p)
+static void rtsp_parse_transport(RTSPMessageHeader *reply, const char *p)
{
char transport_protocol[16];
char profile[16];
char parameter[16];
RTSPTransportField *th;
char buf[256];
-
+
reply->nb_transports = 0;
-
+
for(;;) {
skip_spaces(&p);
if (*p == '\0')
th = &reply->transports[reply->nb_transports];
- get_word_sep(transport_protocol, sizeof(transport_protocol),
+ get_word_sep(transport_protocol, sizeof(transport_protocol),
"/", &p);
- if (*p == '/')
- p++;
- get_word_sep(profile, sizeof(profile), "/;,", &p);
- lower_transport[0] = '\0';
- if (*p == '/') {
- p++;
- get_word_sep(lower_transport, sizeof(lower_transport),
- ";,", &p);
+ if (!strcasecmp (transport_protocol, "rtp")) {
+ get_word_sep(profile, sizeof(profile), "/;,", &p);
+ lower_transport[0] = '\0';
+ /* rtp/avp/<protocol> */
+ if (*p == '/') {
+ get_word_sep(lower_transport, sizeof(lower_transport),
+ ";,", &p);
+ }
+ th->transport = RTSP_TRANSPORT_RTP;
+ } else if (!strcasecmp (transport_protocol, "x-pn-tng") ||
+ !strcasecmp (transport_protocol, "x-real-rdt")) {
+ /* x-pn-tng/<protocol> */
+ get_word_sep(lower_transport, sizeof(lower_transport), "/;,", &p);
+ profile[0] = '\0';
+ th->transport = RTSP_TRANSPORT_RDT;
}
if (!strcasecmp(lower_transport, "TCP"))
- th->protocol = RTSP_PROTOCOL_RTP_TCP;
+ th->lower_transport = RTSP_LOWER_TRANSPORT_TCP;
else
- th->protocol = RTSP_PROTOCOL_RTP_UDP;
-
+ th->lower_transport = RTSP_LOWER_TRANSPORT_UDP;
+
if (*p == ';')
p++;
/* get each parameter */
} else if (!strcmp(parameter, "client_port")) {
if (*p == '=') {
p++;
- rtsp_parse_range(&th->client_port_min,
+ rtsp_parse_range(&th->client_port_min,
&th->client_port_max, &p);
}
} else if (!strcmp(parameter, "server_port")) {
if (*p == '=') {
p++;
- rtsp_parse_range(&th->server_port_min,
+ rtsp_parse_range(&th->server_port_min,
&th->server_port_max, &p);
}
} else if (!strcmp(parameter, "interleaved")) {
if (*p == '=') {
p++;
- rtsp_parse_range(&th->interleaved_min,
+ rtsp_parse_range(&th->interleaved_min,
&th->interleaved_max, &p);
}
} else if (!strcmp(parameter, "multicast")) {
- if (th->protocol == RTSP_PROTOCOL_RTP_UDP)
- th->protocol = RTSP_PROTOCOL_RTP_UDP_MULTICAST;
+ if (th->lower_transport == RTSP_LOWER_TRANSPORT_UDP)
+ th->lower_transport = RTSP_LOWER_TRANSPORT_UDP_MULTICAST;
} else if (!strcmp(parameter, "ttl")) {
if (*p == '=') {
p++;
if (*p == '=') {
p++;
get_word_sep(buf, sizeof(buf), ";,", &p);
- if (inet_aton(buf, &ipaddr))
+ if (inet_aton(buf, &ipaddr))
th->destination = ntohl(ipaddr.s_addr);
}
}
}
}
-void rtsp_parse_line(RTSPHeader *reply, const char *buf)
+void rtsp_parse_line(RTSPMessageHeader *reply, const char *buf)
{
const char *p;
/* NOTE: we do case independent match for broken servers */
p = buf;
- if (stristart(p, "Session:", &p)) {
+ if (av_stristart(p, "Session:", &p)) {
+ int t;
get_word_sep(reply->session_id, sizeof(reply->session_id), ";", &p);
- } else if (stristart(p, "Content-Length:", &p)) {
+ if (av_stristart(p, ";timeout=", &p) &&
+ (t = strtol(p, NULL, 10)) > 0) {
+ reply->timeout = t;
+ }
+ } else if (av_stristart(p, "Content-Length:", &p)) {
reply->content_length = strtol(p, NULL, 10);
- } else if (stristart(p, "Transport:", &p)) {
+ } else if (av_stristart(p, "Transport:", &p)) {
rtsp_parse_transport(reply, p);
- } else if (stristart(p, "CSeq:", &p)) {
+ } else if (av_stristart(p, "CSeq:", &p)) {
reply->seq = strtol(p, NULL, 10);
+ } else if (av_stristart(p, "Range:", &p)) {
+ rtsp_parse_range_npt(p, &reply->range_start, &reply->range_end);
+ } else if (av_stristart(p, "RealChallenge1:", &p)) {
+ skip_spaces(&p);
+ av_strlcpy(reply->real_challenge, p, sizeof(reply->real_challenge));
+ } else if (av_stristart(p, "Server:", &p)) {
+ skip_spaces(&p);
+ av_strlcpy(reply->server, p, sizeof(reply->server));
+ } else if (av_stristart(p, "Notice:", &p) ||
+ av_stristart(p, "X-Notice:", &p)) {
+ reply->notice = strtol(p, NULL, 10);
+ } else if (av_stristart(p, "Location:", &p)) {
+ skip_spaces(&p);
+ av_strlcpy(reply->location, p , sizeof(reply->location));
}
}
int ret, len, len1;
uint8_t buf[1024];
- ret = url_read(rt->rtsp_hd, buf, 3);
+ ret = url_read_complete(rt->rtsp_hd, buf, 3);
if (ret != 3)
return;
- len = (buf[1] << 8) | buf[2];
-#ifdef DEBUG
- printf("skipping RTP packet len=%d\n", len);
-#endif
+ len = AV_RB16(buf + 1);
+
+ dprintf(s, "skipping RTP packet len=%d\n", len);
+
/* skip payload */
while (len > 0) {
len1 = len;
if (len1 > sizeof(buf))
len1 = sizeof(buf);
- ret = url_read(rt->rtsp_hd, buf, len1);
+ ret = url_read_complete(rt->rtsp_hd, buf, len1);
if (ret != len1)
return;
len -= len1;
}
}
-static void rtsp_send_cmd(AVFormatContext *s,
- const char *cmd, RTSPHeader *reply,
- unsigned char **content_ptr)
+/**
+ * Read a RTSP message from the server, or prepare to read data
+ * packets if we're reading data interleaved over the TCP/RTSP
+ * connection as well.
+ *
+ * @param s RTSP demuxer context
+ * @param reply pointer where the RTSP message header will be stored
+ * @param content_ptr pointer where the RTSP message body, if any, will
+ * be stored (length is in \p reply)
+ * @param return_on_interleaved_data whether the function may return if we
+ * encounter a data marker ('$'), which precedes data
+ * packets over interleaved TCP/RTSP connections. If this
+ * is set, this function will return 1 after encountering
+ * a '$'. If it is not set, the function will skip any
+ * data packets (if they are encountered), until a reply
+ * has been fully parsed. If no more data is available
+ * without parsing a reply, it will return an error.
+ *
+ * @returns 1 if a data packets is ready to be received, -1 on error,
+ * and 0 on success.
+ */
+static int
+rtsp_read_reply (AVFormatContext *s, RTSPMessageHeader *reply,
+ unsigned char **content_ptr, int return_on_interleaved_data)
{
RTSPState *rt = s->priv_data;
char buf[4096], buf1[1024], *q;
unsigned char ch;
const char *p;
- int content_length, line_count;
+ int ret, content_length, line_count = 0;
unsigned char *content = NULL;
- memset(reply, 0, sizeof(RTSPHeader));
-
- rt->seq++;
- pstrcpy(buf, sizeof(buf), cmd);
- snprintf(buf1, sizeof(buf1), "CSeq: %d\r\n", rt->seq);
- pstrcat(buf, sizeof(buf), buf1);
- if (rt->session_id[0] != '\0' && !strstr(cmd, "\nIf-Match:")) {
- snprintf(buf1, sizeof(buf1), "Session: %s\r\n", rt->session_id);
- pstrcat(buf, sizeof(buf), buf1);
- }
- pstrcat(buf, sizeof(buf), "\r\n");
-#ifdef DEBUG
- printf("Sending:\n%s--\n", buf);
-#endif
- url_write(rt->rtsp_hd, buf, strlen(buf));
+ memset(reply, 0, sizeof(*reply));
/* parse reply (XXX: use buffers) */
- line_count = 0;
rt->last_reply[0] = '\0';
for(;;) {
q = buf;
for(;;) {
- if (url_read(rt->rtsp_hd, &ch, 1) != 1)
- break;
+ ret = url_read_complete(rt->rtsp_hd, &ch, 1);
+#ifdef DEBUG_RTP_TCP
+ dprintf(s, "ret=%d c=%02x [%c]\n", ret, ch, ch);
+#endif
+ if (ret != 1)
+ return -1;
if (ch == '\n')
break;
if (ch == '$') {
/* XXX: only parse it if first char on line ? */
+ if (return_on_interleaved_data) {
+ return 1;
+ } else
rtsp_skip_packet(s);
} else if (ch != '\r') {
if ((q - buf) < sizeof(buf) - 1)
}
}
*q = '\0';
-#ifdef DEBUG
- printf("line='%s'\n", buf);
-#endif
+
+ dprintf(s, "line='%s'\n", buf);
+
/* test if last line */
if (buf[0] == '\0')
break;
reply->status_code = atoi(buf1);
} else {
rtsp_parse_line(reply, p);
- pstrcat(rt->last_reply, sizeof(rt->last_reply), p);
- pstrcat(rt->last_reply, sizeof(rt->last_reply), "\n");
+ av_strlcat(rt->last_reply, p, sizeof(rt->last_reply));
+ av_strlcat(rt->last_reply, "\n", sizeof(rt->last_reply));
}
line_count++;
}
-
+
if (rt->session_id[0] == '\0' && reply->session_id[0] != '\0')
- pstrcpy(rt->session_id, sizeof(rt->session_id), reply->session_id);
-
+ av_strlcpy(rt->session_id, reply->session_id, sizeof(rt->session_id));
+
content_length = reply->content_length;
if (content_length > 0) {
/* leave some room for a trailing '\0' (useful for simple parsing) */
content = av_malloc(content_length + 1);
- url_read(rt->rtsp_hd, content, content_length);
+ (void)url_read_complete(rt->rtsp_hd, content, content_length);
content[content_length] = '\0';
}
if (content_ptr)
*content_ptr = content;
+ else
+ av_free(content);
+
+ /* EOS */
+ if (reply->notice == 2101 /* End-of-Stream Reached */ ||
+ reply->notice == 2104 /* Start-of-Stream Reached */ ||
+ reply->notice == 2306 /* Continuous Feed Terminated */)
+ rt->state = RTSP_STATE_IDLE;
+ else if (reply->notice >= 4400 && reply->notice < 5500)
+ return AVERROR(EIO); /* data or server error */
+ else if (reply->notice == 2401 /* Ticket Expired */ ||
+ (reply->notice >= 5500 && reply->notice < 5600) /* end of term */ )
+ return AVERROR(EPERM);
+
+ return 0;
}
-/* useful for modules: set RTSP callback function */
+static void rtsp_send_cmd_async (AVFormatContext *s,
+ const char *cmd, RTSPMessageHeader *reply,
+ unsigned char **content_ptr)
+{
+ RTSPState *rt = s->priv_data;
+ char buf[4096], buf1[1024];
+
+ rt->seq++;
+ av_strlcpy(buf, cmd, sizeof(buf));
+ snprintf(buf1, sizeof(buf1), "CSeq: %d\r\n", rt->seq);
+ av_strlcat(buf, buf1, sizeof(buf));
+ if (rt->session_id[0] != '\0' && !strstr(cmd, "\nIf-Match:")) {
+ snprintf(buf1, sizeof(buf1), "Session: %s\r\n", rt->session_id);
+ av_strlcat(buf, buf1, sizeof(buf));
+ }
+ if (rt->auth_b64)
+ av_strlcatf(buf, sizeof(buf),
+ "Authorization: Basic %s\r\n",
+ rt->auth_b64);
+ av_strlcat(buf, "\r\n", sizeof(buf));
+
+ dprintf(s, "Sending:\n%s--\n", buf);
-void rtsp_set_callback(FFRTSPCallback *rtsp_cb)
+ url_write(rt->rtsp_hd, buf, strlen(buf));
+ rt->last_cmd_time = av_gettime();
+}
+
+static void rtsp_send_cmd (AVFormatContext *s,
+ const char *cmd, RTSPMessageHeader *reply,
+ unsigned char **content_ptr)
{
- ff_rtsp_callback = rtsp_cb;
+ rtsp_send_cmd_async(s, cmd, reply, content_ptr);
+
+ rtsp_read_reply(s, reply, content_ptr, 0);
}
for(i=0;i<rt->nb_rtsp_streams;i++) {
rtsp_st = rt->rtsp_streams[i];
if (rtsp_st) {
- if (rtsp_st->rtp_ctx)
- rtp_parse_close(rtsp_st->rtp_ctx);
+ if (rtsp_st->transport_priv) {
+ if (rt->transport == RTSP_TRANSPORT_RDT)
+ ff_rdt_parse_close(rtsp_st->transport_priv);
+ else
+ rtp_parse_close(rtsp_st->transport_priv);
+ }
if (rtsp_st->rtp_handle)
url_close(rtsp_st->rtp_handle);
+ if (rtsp_st->dynamic_handler && rtsp_st->dynamic_protocol_context)
+ rtsp_st->dynamic_handler->close(rtsp_st->dynamic_protocol_context);
}
- av_free(rtsp_st);
}
av_free(rt->rtsp_streams);
+ if (rt->asf_ctx) {
+ av_close_input_stream (rt->asf_ctx);
+ rt->asf_ctx = NULL;
+ }
+ av_freep(&rt->auth_b64);
}
-static int rtsp_read_header(AVFormatContext *s,
- AVFormatParameters *ap)
+static int
+rtsp_open_transport_ctx(AVFormatContext *s, RTSPStream *rtsp_st)
{
RTSPState *rt = s->priv_data;
- char host[1024], path[1024], tcpname[1024], cmd[2048];
- URLContext *rtsp_hd;
- int port, i, ret, err;
- RTSPHeader reply1, *reply = &reply1;
- unsigned char *content = NULL;
+ AVStream *st = NULL;
+
+ /* open the RTP context */
+ if (rtsp_st->stream_index >= 0)
+ st = s->streams[rtsp_st->stream_index];
+ if (!st)
+ s->ctx_flags |= AVFMTCTX_NOHEADER;
+
+ if (rt->transport == RTSP_TRANSPORT_RDT)
+ rtsp_st->transport_priv = ff_rdt_parse_open(s, st->index,
+ rtsp_st->dynamic_protocol_context,
+ rtsp_st->dynamic_handler);
+ else
+ rtsp_st->transport_priv = rtp_parse_open(s, st, rtsp_st->rtp_handle,
+ rtsp_st->sdp_payload_type,
+ &rtsp_st->rtp_payload_data);
+
+ if (!rtsp_st->transport_priv) {
+ return AVERROR(ENOMEM);
+ } else if (rt->transport != RTSP_TRANSPORT_RDT) {
+ if(rtsp_st->dynamic_handler) {
+ rtp_parse_set_dynamic_protocol(rtsp_st->transport_priv,
+ rtsp_st->dynamic_protocol_context,
+ rtsp_st->dynamic_handler);
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * @returns 0 on success, <0 on error, 1 if protocol is unavailable.
+ */
+static int
+make_setup_request (AVFormatContext *s, const char *host, int port,
+ int lower_transport, const char *real_challenge)
+{
+ RTSPState *rt = s->priv_data;
+ int rtx, j, i, err, interleave = 0;
RTSPStream *rtsp_st;
- int protocol_mask;
- AVStream *st;
+ RTSPMessageHeader reply1, *reply = &reply1;
+ char cmd[2048];
+ const char *trans_pref;
- /* extract hostname and port */
- url_split(NULL, 0,
- host, sizeof(host), &port, path, sizeof(path), s->filename);
- if (port < 0)
- port = RTSP_DEFAULT_PORT;
+ if (rt->transport == RTSP_TRANSPORT_RDT)
+ trans_pref = "x-pn-tng";
+ else
+ trans_pref = "RTP/AVP";
- /* open the tcp connexion */
- snprintf(tcpname, sizeof(tcpname), "tcp://%s:%d", host, port);
- if (url_open(&rtsp_hd, tcpname, URL_RDWR) < 0)
- return AVERROR_IO;
- rt->rtsp_hd = rtsp_hd;
- rt->seq = 0;
-
- /* describe the stream */
- snprintf(cmd, sizeof(cmd),
- "DESCRIBE %s RTSP/1.0\r\n"
- "Accept: application/sdp\r\n",
- s->filename);
- rtsp_send_cmd(s, cmd, reply, &content);
- if (!content) {
- err = AVERROR_INVALIDDATA;
- goto fail;
- }
- if (reply->status_code != RTSP_STATUS_OK) {
- err = AVERROR_INVALIDDATA;
- goto fail;
- }
-
- /* now we got the SDP description, we parse it */
- ret = sdp_parse(s, (const char *)content);
- av_freep(&content);
- if (ret < 0) {
- err = AVERROR_INVALIDDATA;
- goto fail;
- }
-
- protocol_mask = rtsp_default_protocols;
+ /* default timeout: 1 minute */
+ rt->timeout = 60;
/* for each stream, make the setup request */
/* XXX: we assume the same server is used for the control of each
RTSP stream */
- for(i=0;i<rt->nb_rtsp_streams;i++) {
- char transport[2048];
- rtsp_st = rt->rtsp_streams[i];
+ for(j = RTSP_RTP_PORT_MIN, i = 0; i < rt->nb_rtsp_streams; ++i) {
+ char transport[2048];
- /* compute available transports */
- transport[0] = '\0';
+ /**
+ * WMS serves all UDP data over a single connection, the RTX, which
+ * isn't necessarily the first in the SDP but has to be the first
+ * to be set up, else the second/third SETUP will fail with a 461.
+ */
+ if (lower_transport == RTSP_LOWER_TRANSPORT_UDP &&
+ rt->server_type == RTSP_SERVER_WMS) {
+ if (i == 0) {
+ /* rtx first */
+ for (rtx = 0; rtx < rt->nb_rtsp_streams; rtx++) {
+ int len = strlen(rt->rtsp_streams[rtx]->control_url);
+ if (len >= 4 &&
+ !strcmp(rt->rtsp_streams[rtx]->control_url + len - 4, "/rtx"))
+ break;
+ }
+ if (rtx == rt->nb_rtsp_streams)
+ return -1; /* no RTX found */
+ rtsp_st = rt->rtsp_streams[rtx];
+ } else
+ rtsp_st = rt->rtsp_streams[i > rtx ? i : i - 1];
+ } else
+ rtsp_st = rt->rtsp_streams[i];
/* RTP/UDP */
- if (protocol_mask & (1 << RTSP_PROTOCOL_RTP_UDP)) {
+ if (lower_transport == RTSP_LOWER_TRANSPORT_UDP) {
char buf[256];
- int j;
+
+ if (rt->server_type == RTSP_SERVER_WMS && i > 1) {
+ port = reply->transports[0].client_port_min;
+ goto have_port;
+ }
/* first try in specified port range */
- if (rtsp_rtp_port_min != 0) {
- for(j=rtsp_rtp_port_min;j<=rtsp_rtp_port_max;j++) {
- snprintf(buf, sizeof(buf), "rtp://?localport=%d", j);
- if (url_open(&rtsp_st->rtp_handle, buf, URL_RDONLY) == 0)
+ if (RTSP_RTP_PORT_MIN != 0) {
+ while(j <= RTSP_RTP_PORT_MAX) {
+ snprintf(buf, sizeof(buf), "rtp://%s?localport=%d", host, j);
+ j += 2; /* we will use two port by rtp stream (rtp and rtcp) */
+ if (url_open(&rtsp_st->rtp_handle, buf, URL_RDWR) == 0) {
goto rtp_opened;
+ }
}
}
- /* then try on any port */
- if (url_open(&rtsp_st->rtp_handle, "rtp://", URL_RDONLY) < 0) {
- err = AVERROR_INVALIDDATA;
- goto fail;
- }
+/* then try on any port
+** if (url_open(&rtsp_st->rtp_handle, "rtp://", URL_RDONLY) < 0) {
+** err = AVERROR_INVALIDDATA;
+** goto fail;
+** }
+*/
rtp_opened:
port = rtp_get_local_port(rtsp_st->rtp_handle);
- if (transport[0] != '\0')
- pstrcat(transport, sizeof(transport), ",");
- snprintf(transport + strlen(transport), sizeof(transport) - strlen(transport) - 1,
- "RTP/AVP/UDP;unicast;client_port=%d-%d",
- port, port + 1);
+ have_port:
+ snprintf(transport, sizeof(transport) - 1,
+ "%s/UDP;", trans_pref);
+ if (rt->server_type != RTSP_SERVER_REAL)
+ av_strlcat(transport, "unicast;", sizeof(transport));
+ av_strlcatf(transport, sizeof(transport),
+ "client_port=%d", port);
+ if (rt->transport == RTSP_TRANSPORT_RTP &&
+ !(rt->server_type == RTSP_SERVER_WMS && i > 0))
+ av_strlcatf(transport, sizeof(transport), "-%d", port + 1);
}
/* RTP/TCP */
- if (protocol_mask & (1 << RTSP_PROTOCOL_RTP_TCP)) {
- if (transport[0] != '\0')
- pstrcat(transport, sizeof(transport), ",");
- snprintf(transport + strlen(transport), sizeof(transport) - strlen(transport) - 1,
- "RTP/AVP/TCP");
+ else if (lower_transport == RTSP_LOWER_TRANSPORT_TCP) {
+ /** For WMS streams, the application streams are only used for
+ * UDP. When trying to set it up for TCP streams, the server
+ * will return an error. Therefore, we skip those streams. */
+ if (rt->server_type == RTSP_SERVER_WMS &&
+ s->streams[rtsp_st->stream_index]->codec->codec_type == CODEC_TYPE_DATA)
+ continue;
+ snprintf(transport, sizeof(transport) - 1,
+ "%s/TCP;", trans_pref);
+ if (rt->server_type == RTSP_SERVER_WMS)
+ av_strlcat(transport, "unicast;", sizeof(transport));
+ av_strlcatf(transport, sizeof(transport),
+ "interleaved=%d-%d",
+ interleave, interleave + 1);
+ interleave += 2;
}
- if (protocol_mask & (1 << RTSP_PROTOCOL_RTP_UDP_MULTICAST)) {
- if (transport[0] != '\0')
- pstrcat(transport, sizeof(transport), ",");
- snprintf(transport + strlen(transport),
- sizeof(transport) - strlen(transport) - 1,
- "RTP/AVP/UDP;multicast");
+ else if (lower_transport == RTSP_LOWER_TRANSPORT_UDP_MULTICAST) {
+ snprintf(transport, sizeof(transport) - 1,
+ "%s/UDP;multicast", trans_pref);
}
- snprintf(cmd, sizeof(cmd),
+ if (rt->server_type == RTSP_SERVER_REAL ||
+ rt->server_type == RTSP_SERVER_WMS)
+ av_strlcat(transport, ";mode=play", sizeof(transport));
+ snprintf(cmd, sizeof(cmd),
"SETUP %s RTSP/1.0\r\n"
"Transport: %s\r\n",
rtsp_st->control_url, transport);
+ if (i == 0 && rt->server_type == RTSP_SERVER_REAL) {
+ char real_res[41], real_csum[9];
+ ff_rdt_calc_response_and_checksum(real_res, real_csum,
+ real_challenge);
+ av_strlcatf(cmd, sizeof(cmd),
+ "If-Match: %s\r\n"
+ "RealChallenge2: %s, sd=%s\r\n",
+ rt->session_id, real_res, real_csum);
+ }
rtsp_send_cmd(s, cmd, reply, NULL);
- if (reply->status_code != RTSP_STATUS_OK ||
- reply->nb_transports != 1) {
+ if (reply->status_code == 461 /* Unsupported protocol */ && i == 0) {
+ err = 1;
+ goto fail;
+ } else if (reply->status_code != RTSP_STATUS_OK ||
+ reply->nb_transports != 1) {
err = AVERROR_INVALIDDATA;
goto fail;
}
/* XXX: same protocol for all streams is required */
if (i > 0) {
- if (reply->transports[0].protocol != rt->protocol) {
+ if (reply->transports[0].lower_transport != rt->lower_transport ||
+ reply->transports[0].transport != rt->transport) {
err = AVERROR_INVALIDDATA;
goto fail;
}
} else {
- rt->protocol = reply->transports[0].protocol;
+ rt->lower_transport = reply->transports[0].lower_transport;
+ rt->transport = reply->transports[0].transport;
}
/* close RTP connection if not choosen */
- if (reply->transports[0].protocol != RTSP_PROTOCOL_RTP_UDP &&
- (protocol_mask & (1 << RTSP_PROTOCOL_RTP_UDP))) {
+ if (reply->transports[0].lower_transport != RTSP_LOWER_TRANSPORT_UDP &&
+ (lower_transport == RTSP_LOWER_TRANSPORT_UDP)) {
url_close(rtsp_st->rtp_handle);
rtsp_st->rtp_handle = NULL;
}
- switch(reply->transports[0].protocol) {
- case RTSP_PROTOCOL_RTP_TCP:
+ switch(reply->transports[0].lower_transport) {
+ case RTSP_LOWER_TRANSPORT_TCP:
rtsp_st->interleaved_min = reply->transports[0].interleaved_min;
rtsp_st->interleaved_max = reply->transports[0].interleaved_max;
break;
-
- case RTSP_PROTOCOL_RTP_UDP:
+
+ case RTSP_LOWER_TRANSPORT_UDP:
{
char url[1024];
-
+
/* XXX: also use address if specified */
- snprintf(url, sizeof(url), "rtp://%s:%d",
+ snprintf(url, sizeof(url), "rtp://%s:%d",
host, reply->transports[0].server_port_min);
- if (rtp_set_remote_url(rtsp_st->rtp_handle, url) < 0) {
+ if (!(rt->server_type == RTSP_SERVER_WMS && i > 1) &&
+ rtp_set_remote_url(rtsp_st->rtp_handle, url) < 0) {
err = AVERROR_INVALIDDATA;
goto fail;
}
}
break;
- case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
+ case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
{
char url[1024];
- int ttl;
-
- ttl = reply->transports[0].ttl;
- if (!ttl)
- ttl = 16;
- snprintf(url, sizeof(url), "rtp://%s:%d?multicast=1&ttl=%d",
- host,
- reply->transports[0].server_port_min,
- ttl);
- if (url_open(&rtsp_st->rtp_handle, url, URL_RDONLY) < 0) {
+ struct in_addr in;
+ int port, ttl;
+
+ if (reply->transports[0].destination) {
+ in.s_addr = htonl(reply->transports[0].destination);
+ port = reply->transports[0].port_min;
+ ttl = reply->transports[0].ttl;
+ } else {
+ in = rtsp_st->sdp_ip;
+ port = rtsp_st->sdp_port;
+ ttl = rtsp_st->sdp_ttl;
+ }
+ snprintf(url, sizeof(url), "rtp://%s:%d?ttl=%d",
+ inet_ntoa(in), port, ttl);
+ if (url_open(&rtsp_st->rtp_handle, url, URL_RDWR) < 0) {
err = AVERROR_INVALIDDATA;
goto fail;
}
}
break;
}
- /* open the RTP context */
- st = NULL;
- if (rtsp_st->stream_index >= 0)
- st = s->streams[rtsp_st->stream_index];
- if (!st)
- s->ctx_flags |= AVFMTCTX_NOHEADER;
- rtsp_st->rtp_ctx = rtp_parse_open(s, st, rtsp_st->sdp_payload_type);
- if (!rtsp_st->rtp_ctx) {
- err = AVERROR_NOMEM;
+
+ if ((err = rtsp_open_transport_ctx(s, rtsp_st)))
goto fail;
+ }
+
+ if (reply->timeout > 0)
+ rt->timeout = reply->timeout;
+
+ if (rt->server_type == RTSP_SERVER_REAL)
+ rt->need_subscription = 1;
+
+ return 0;
+
+fail:
+ for (i=0; i<rt->nb_rtsp_streams; i++) {
+ if (rt->rtsp_streams[i]->rtp_handle) {
+ url_close(rt->rtsp_streams[i]->rtp_handle);
+ rt->rtsp_streams[i]->rtp_handle = NULL;
}
}
+ return err;
+}
+
+static int rtsp_read_header(AVFormatContext *s,
+ AVFormatParameters *ap)
+{
+ RTSPState *rt = s->priv_data;
+ char host[1024], path[1024], tcpname[1024], cmd[2048], auth[128];
+ char *option_list, *option, *filename;
+ URLContext *rtsp_hd;
+ int port, ret, err;
+ RTSPMessageHeader reply1, *reply = &reply1;
+ unsigned char *content = NULL;
+ int lower_transport_mask = 0;
+ char real_challenge[64];
+ redirect:
+ /* extract hostname and port */
+ url_split(NULL, 0, auth, sizeof(auth),
+ host, sizeof(host), &port, path, sizeof(path), s->filename);
+ if (*auth) {
+ int auth_len = strlen(auth), b64_len = ((auth_len + 2) / 3) * 4 + 1;
+
+ if (!(rt->auth_b64 = av_malloc(b64_len)))
+ return AVERROR(ENOMEM);
+ if (!av_base64_encode(rt->auth_b64, b64_len, auth, auth_len)) {
+ err = AVERROR(EINVAL);
+ goto fail;
+ }
+ }
+ if (port < 0)
+ port = RTSP_DEFAULT_PORT;
+
+ /* search for options */
+ option_list = strchr(path, '?');
+ if (option_list) {
+ filename = strchr(s->filename, '?');
+ while(option_list) {
+ /* move the option pointer */
+ option = ++option_list;
+ option_list = strchr(option_list, '&');
+ if (option_list)
+ *option_list = 0;
+
+ /* handle the options */
+ if (strcmp(option, "udp") == 0)
+ lower_transport_mask = (1<< RTSP_LOWER_TRANSPORT_UDP);
+ else if (strcmp(option, "multicast") == 0)
+ lower_transport_mask = (1<< RTSP_LOWER_TRANSPORT_UDP_MULTICAST);
+ else if (strcmp(option, "tcp") == 0)
+ lower_transport_mask = (1<< RTSP_LOWER_TRANSPORT_TCP);
+ else {
+ strcpy(++filename, option);
+ filename += strlen(option);
+ if (option_list) *filename = '&';
+ }
+ }
+ *filename = 0;
+ }
+
+ if (!lower_transport_mask)
+ lower_transport_mask = (1 << RTSP_LOWER_TRANSPORT_NB) - 1;
+
+ /* open the tcp connexion */
+ snprintf(tcpname, sizeof(tcpname), "tcp://%s:%d", host, port);
+ if (url_open(&rtsp_hd, tcpname, URL_RDWR) < 0) {
+ err = AVERROR(EIO);
+ goto fail;
+ }
+ rt->rtsp_hd = rtsp_hd;
+ rt->seq = 0;
- /* use callback if available to extend setup */
- if (ff_rtsp_callback) {
- if (ff_rtsp_callback(RTSP_ACTION_CLIENT_SETUP, rt->session_id,
- NULL, 0, rt->last_reply) < 0) {
+ /* request options supported by the server; this also detects server type */
+ for (rt->server_type = RTSP_SERVER_RTP;;) {
+ snprintf(cmd, sizeof(cmd),
+ "OPTIONS %s RTSP/1.0\r\n", s->filename);
+ if (rt->server_type == RTSP_SERVER_REAL)
+ av_strlcat(cmd,
+ /**
+ * The following entries are required for proper
+ * streaming from a Realmedia server. They are
+ * interdependent in some way although we currently
+ * don't quite understand how. Values were copied
+ * from mplayer SVN r23589.
+ * @param CompanyID is a 16-byte ID in base64
+ * @param ClientChallenge is a 16-byte ID in hex
+ */
+ "ClientChallenge: 9e26d33f2984236010ef6253fb1887f7\r\n"
+ "PlayerStarttime: [28/03/2003:22:50:23 00:00]\r\n"
+ "CompanyID: KnKV4M4I/B2FjJ1TToLycw==\r\n"
+ "GUID: 00000000-0000-0000-0000-000000000000\r\n",
+ sizeof(cmd));
+ rtsp_send_cmd(s, cmd, reply, NULL);
+ if (reply->status_code != RTSP_STATUS_OK) {
err = AVERROR_INVALIDDATA;
goto fail;
}
+
+ /* detect server type if not standard-compliant RTP */
+ if (rt->server_type != RTSP_SERVER_REAL && reply->real_challenge[0]) {
+ rt->server_type = RTSP_SERVER_REAL;
+ continue;
+ } else if (!strncasecmp(reply->server, "WMServer/", 9)) {
+ rt->server_type = RTSP_SERVER_WMS;
+ } else if (rt->server_type == RTSP_SERVER_REAL) {
+ strcpy(real_challenge, reply->real_challenge);
+ }
+ break;
}
-
- /* start playing */
- snprintf(cmd, sizeof(cmd),
- "PLAY %s RTSP/1.0\r\n"
- "Range: npt=0-\r\n",
+
+ /* describe the stream */
+ snprintf(cmd, sizeof(cmd),
+ "DESCRIBE %s RTSP/1.0\r\n"
+ "Accept: application/sdp\r\n",
s->filename);
- rtsp_send_cmd(s, cmd, reply, NULL);
+ if (rt->server_type == RTSP_SERVER_REAL) {
+ /**
+ * The Require: attribute is needed for proper streaming from
+ * Realmedia servers.
+ */
+ av_strlcat(cmd,
+ "Require: com.real.retain-entity-for-setup\r\n",
+ sizeof(cmd));
+ }
+ rtsp_send_cmd(s, cmd, reply, &content);
+ if (!content) {
+ err = AVERROR_INVALIDDATA;
+ goto fail;
+ }
if (reply->status_code != RTSP_STATUS_OK) {
err = AVERROR_INVALIDDATA;
goto fail;
}
-#if 0
- /* open TCP with bufferized input */
- if (rt->protocol == RTSP_PROTOCOL_RTP_TCP) {
- if (url_fdopen(&rt->rtsp_gb, rt->rtsp_hd) < 0) {
- err = AVERROR_NOMEM;
+ /* now we got the SDP description, we parse it */
+ ret = sdp_parse(s, (const char *)content);
+ av_freep(&content);
+ if (ret < 0) {
+ err = AVERROR_INVALIDDATA;
+ goto fail;
+ }
+
+ do {
+ int lower_transport = ff_log2_tab[lower_transport_mask & ~(lower_transport_mask - 1)];
+
+ err = make_setup_request(s, host, port, lower_transport,
+ rt->server_type == RTSP_SERVER_REAL ?
+ real_challenge : NULL);
+ if (err < 0)
+ goto fail;
+ lower_transport_mask &= ~(1 << lower_transport);
+ if (lower_transport_mask == 0 && err == 1) {
+ err = AVERROR(FF_NETERROR(EPROTONOSUPPORT));
goto fail;
}
- }
-#endif
+ } while (err);
+ rt->state = RTSP_STATE_IDLE;
+ rt->seek_timestamp = 0; /* default is to start stream at position
+ zero */
+ if (ap->initial_pause) {
+ /* do not start immediately */
+ } else {
+ if (rtsp_read_play(s) < 0) {
+ err = AVERROR_INVALIDDATA;
+ goto fail;
+ }
+ }
return 0;
fail:
rtsp_close_streams(rt);
av_freep(&content);
url_close(rt->rtsp_hd);
+ if (reply->status_code >=300 && reply->status_code < 400) {
+ av_strlcpy(s->filename, reply->location, sizeof(s->filename));
+ av_log(s, AV_LOG_INFO, "Status %d: Redirecting to %s\n",
+ reply->status_code,
+ s->filename);
+ goto redirect;
+ }
return err;
}
RTSPStream *rtsp_st;
#ifdef DEBUG_RTP_TCP
- printf("tcp_read_packet:\n");
+ dprintf(s, "tcp_read_packet:\n");
#endif
redo:
for(;;) {
- ret = url_read(rt->rtsp_hd, buf, 1);
-#ifdef DEBUG_RTP_TCP
- printf("ret=%d c=%02x [%c]\n", ret, buf[0], buf[0]);
-#endif
- if (ret != 1)
+ RTSPMessageHeader reply;
+
+ ret = rtsp_read_reply(s, &reply, NULL, 1);
+ if (ret == -1)
return -1;
- if (buf[0] == '$')
+ if (ret == 1) /* received '$' */
break;
+ /* XXX: parse message */
+ if (rt->state != RTSP_STATE_PLAYING)
+ return 0;
}
- ret = url_read(rt->rtsp_hd, buf, 3);
+ ret = url_read_complete(rt->rtsp_hd, buf, 3);
if (ret != 3)
return -1;
id = buf[0];
- len = (buf[1] << 8) | buf[2];
+ len = AV_RB16(buf + 1);
#ifdef DEBUG_RTP_TCP
- printf("id=%d len=%d\n", id, len);
+ dprintf(s, "id=%d len=%d\n", id, len);
#endif
if (len > buf_size || len < 12)
goto redo;
/* get the data */
- ret = url_read(rt->rtsp_hd, buf, len);
+ ret = url_read_complete(rt->rtsp_hd, buf, len);
if (ret != len)
return -1;
-
+ if (rt->transport == RTSP_TRANSPORT_RDT &&
+ ff_rdt_parse_header(buf, len, &id, NULL, NULL, NULL, NULL) < 0)
+ return -1;
+
/* find the matching stream */
for(i = 0; i < rt->nb_rtsp_streams; i++) {
rtsp_st = rt->rtsp_streams[i];
- if (id >= rtsp_st->interleaved_min &&
- id <= rtsp_st->interleaved_max)
+ if (id >= rtsp_st->interleaved_min &&
+ id <= rtsp_st->interleaved_max)
goto found;
}
goto redo;
return len;
}
-static int udp_read_packet(AVFormatContext *s, RTSPStream **prtsp_st,
+static int udp_read_packet(AVFormatContext *s, RTSPStream **prtsp_st,
uint8_t *buf, int buf_size)
{
RTSPState *rt = s->priv_data;
RTSPStream *rtsp_st;
fd_set rfds;
- int fd1, fd2, fd_max, n, i, ret;
+ int fd, fd_max, n, i, ret, tcp_fd;
struct timeval tv;
for(;;) {
if (url_interrupt_cb())
- return -1;
+ return AVERROR(EINTR);
FD_ZERO(&rfds);
- fd_max = -1;
+ if (rt->rtsp_hd) {
+ tcp_fd = fd_max = url_get_file_handle(rt->rtsp_hd);
+ FD_SET(tcp_fd, &rfds);
+ } else {
+ fd_max = 0;
+ tcp_fd = -1;
+ }
for(i = 0; i < rt->nb_rtsp_streams; i++) {
rtsp_st = rt->rtsp_streams[i];
- /* currently, we cannot probe RTCP handle because of blocking restrictions */
- rtp_get_file_handles(rtsp_st->rtp_handle, &fd1, &fd2);
- if (fd1 > fd_max)
- fd_max = fd1;
- FD_SET(fd1, &rfds);
+ if (rtsp_st->rtp_handle) {
+ /* currently, we cannot probe RTCP handle because of
+ * blocking restrictions */
+ fd = url_get_file_handle(rtsp_st->rtp_handle);
+ if (fd > fd_max)
+ fd_max = fd;
+ FD_SET(fd, &rfds);
+ }
}
tv.tv_sec = 0;
tv.tv_usec = 100 * 1000;
if (n > 0) {
for(i = 0; i < rt->nb_rtsp_streams; i++) {
rtsp_st = rt->rtsp_streams[i];
- rtp_get_file_handles(rtsp_st->rtp_handle, &fd1, &fd2);
- if (FD_ISSET(fd1, &rfds)) {
- ret = url_read(rtsp_st->rtp_handle, buf, buf_size);
- if (ret > 0) {
- *prtsp_st = rtsp_st;
- return ret;
+ if (rtsp_st->rtp_handle) {
+ fd = url_get_file_handle(rtsp_st->rtp_handle);
+ if (FD_ISSET(fd, &rfds)) {
+ ret = url_read(rtsp_st->rtp_handle, buf, buf_size);
+ if (ret > 0) {
+ *prtsp_st = rtsp_st;
+ return ret;
+ }
}
}
}
+ if (FD_ISSET(tcp_fd, &rfds)) {
+ RTSPMessageHeader reply;
+
+ rtsp_read_reply(s, &reply, NULL, 0);
+ /* XXX: parse message */
+ if (rt->state != RTSP_STATE_PLAYING)
+ return 0;
+ }
}
}
}
RTSPState *rt = s->priv_data;
RTSPStream *rtsp_st;
int ret, len;
- uint8_t buf[RTP_MAX_PACKET_LENGTH];
+ uint8_t buf[10 * RTP_MAX_PACKET_LENGTH];
+ RTSPMessageHeader reply1, *reply = &reply1;
+ char cmd[1024];
+
+ if (rt->server_type == RTSP_SERVER_REAL) {
+ int i;
+ enum AVDiscard cache[MAX_STREAMS];
+
+ for (i = 0; i < s->nb_streams; i++)
+ cache[i] = s->streams[i]->discard;
+
+ if (!rt->need_subscription) {
+ if (memcmp (cache, rt->real_setup_cache,
+ sizeof(enum AVDiscard) * s->nb_streams)) {
+ av_strlcatf(cmd, sizeof(cmd),
+ "SET_PARAMETER %s RTSP/1.0\r\n"
+ "Unsubscribe: %s\r\n",
+ s->filename, rt->last_subscription);
+ rtsp_send_cmd(s, cmd, reply, NULL);
+ if (reply->status_code != RTSP_STATUS_OK)
+ return AVERROR_INVALIDDATA;
+ rt->need_subscription = 1;
+ }
+ }
+
+ if (rt->need_subscription) {
+ int r, rule_nr, first = 1;
+
+ memcpy(rt->real_setup_cache, cache,
+ sizeof(enum AVDiscard) * s->nb_streams);
+ rt->last_subscription[0] = 0;
+
+ snprintf(cmd, sizeof(cmd),
+ "SET_PARAMETER %s RTSP/1.0\r\n"
+ "Subscribe: ",
+ s->filename);
+ for (i = 0; i < rt->nb_rtsp_streams; i++) {
+ rule_nr = 0;
+ for (r = 0; r < s->nb_streams; r++) {
+ if (s->streams[r]->priv_data == rt->rtsp_streams[i]) {
+ if (s->streams[r]->discard != AVDISCARD_ALL) {
+ if (!first)
+ av_strlcat(rt->last_subscription, ",",
+ sizeof(rt->last_subscription));
+ ff_rdt_subscribe_rule(
+ rt->last_subscription,
+ sizeof(rt->last_subscription), i, rule_nr);
+ first = 0;
+ }
+ rule_nr++;
+ }
+ }
+ }
+ av_strlcatf(cmd, sizeof(cmd), "%s\r\n", rt->last_subscription);
+ rtsp_send_cmd(s, cmd, reply, NULL);
+ if (reply->status_code != RTSP_STATUS_OK)
+ return AVERROR_INVALIDDATA;
+ rt->need_subscription = 0;
+
+ if (rt->state == RTSP_STATE_PLAYING)
+ rtsp_read_play (s);
+ }
+ }
/* get next frames from the same RTP packet */
- if (rt->cur_rtp) {
- ret = rtp_parse_packet(rt->cur_rtp, pkt, NULL, 0);
+ if (rt->cur_transport_priv) {
+ if (rt->transport == RTSP_TRANSPORT_RDT)
+ ret = ff_rdt_parse_packet(rt->cur_transport_priv, pkt, NULL, 0);
+ else
+ ret = rtp_parse_packet(rt->cur_transport_priv, pkt, NULL, 0);
if (ret == 0) {
- rt->cur_rtp = NULL;
+ rt->cur_transport_priv = NULL;
return 0;
} else if (ret == 1) {
return 0;
} else {
- rt->cur_rtp = NULL;
+ rt->cur_transport_priv = NULL;
}
}
/* read next RTP packet */
redo:
- switch(rt->protocol) {
+ switch(rt->lower_transport) {
default:
- case RTSP_PROTOCOL_RTP_TCP:
+ case RTSP_LOWER_TRANSPORT_TCP:
len = tcp_read_packet(s, &rtsp_st, buf, sizeof(buf));
break;
- case RTSP_PROTOCOL_RTP_UDP:
- case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
+ case RTSP_LOWER_TRANSPORT_UDP:
+ case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
len = udp_read_packet(s, &rtsp_st, buf, sizeof(buf));
+ if (len >=0 && rtsp_st->transport_priv && rt->transport == RTSP_TRANSPORT_RTP)
+ rtp_check_and_send_back_rr(rtsp_st->transport_priv, len);
break;
}
if (len < 0)
- return AVERROR_IO;
- ret = rtp_parse_packet(rtsp_st->rtp_ctx, pkt, buf, len);
+ return len;
+ if (len == 0)
+ return AVERROR_EOF;
+ if (rt->transport == RTSP_TRANSPORT_RDT)
+ ret = ff_rdt_parse_packet(rtsp_st->transport_priv, pkt, buf, len);
+ else
+ ret = rtp_parse_packet(rtsp_st->transport_priv, pkt, buf, len);
if (ret < 0)
goto redo;
if (ret == 1) {
/* more packets may follow, so we save the RTP context */
- rt->cur_rtp = rtsp_st->rtp_ctx;
+ rt->cur_transport_priv = rtsp_st->transport_priv;
+ }
+
+ /* send dummy request to keep TCP connection alive */
+ if ((rt->server_type == RTSP_SERVER_WMS ||
+ rt->server_type == RTSP_SERVER_REAL) &&
+ (av_gettime() - rt->last_cmd_time) / 1000000 >= rt->timeout / 2) {
+ if (rt->server_type == RTSP_SERVER_WMS) {
+ snprintf(cmd, sizeof(cmd) - 1,
+ "GET_PARAMETER %s RTSP/1.0\r\n",
+ s->filename);
+ rtsp_send_cmd_async(s, cmd, reply, NULL);
+ } else {
+ rtsp_send_cmd_async(s, "OPTIONS * RTSP/1.0\r\n",
+ reply, NULL);
+ }
}
+
return 0;
}
-/* pause the stream */
-int rtsp_pause(AVFormatContext *s)
+static int rtsp_read_play(AVFormatContext *s)
{
- RTSPState *rt;
- RTSPHeader reply1, *reply = &reply1;
+ RTSPState *rt = s->priv_data;
+ RTSPMessageHeader reply1, *reply = &reply1;
char cmd[1024];
- if (s->iformat != &rtsp_demux)
- return -1;
-
- rt = s->priv_data;
-
- snprintf(cmd, sizeof(cmd),
- "PAUSE %s RTSP/1.0\r\n",
- s->filename);
- rtsp_send_cmd(s, cmd, reply, NULL);
- if (reply->status_code != RTSP_STATUS_OK) {
- return -1;
- } else {
- return 0;
+ av_log(s, AV_LOG_DEBUG, "hello state=%d\n", rt->state);
+
+ if (!(rt->server_type == RTSP_SERVER_REAL && rt->need_subscription)) {
+ if (rt->state == RTSP_STATE_PAUSED) {
+ snprintf(cmd, sizeof(cmd),
+ "PLAY %s RTSP/1.0\r\n",
+ s->filename);
+ } else {
+ snprintf(cmd, sizeof(cmd),
+ "PLAY %s RTSP/1.0\r\n"
+ "Range: npt=%0.3f-\r\n",
+ s->filename,
+ (double)rt->seek_timestamp / AV_TIME_BASE);
+ }
+ rtsp_send_cmd(s, cmd, reply, NULL);
+ if (reply->status_code != RTSP_STATUS_OK) {
+ return -1;
+ }
}
+ rt->state = RTSP_STATE_PLAYING;
+ return 0;
}
-/* resume the stream */
-int rtsp_resume(AVFormatContext *s)
+/* pause the stream */
+static int rtsp_read_pause(AVFormatContext *s)
{
- RTSPState *rt;
- RTSPHeader reply1, *reply = &reply1;
+ RTSPState *rt = s->priv_data;
+ RTSPMessageHeader reply1, *reply = &reply1;
char cmd[1024];
- if (s->iformat != &rtsp_demux)
- return -1;
-
rt = s->priv_data;
-
- snprintf(cmd, sizeof(cmd),
- "PLAY %s RTSP/1.0\r\n",
- s->filename);
- rtsp_send_cmd(s, cmd, reply, NULL);
- if (reply->status_code != RTSP_STATUS_OK) {
- return -1;
- } else {
+
+ if (rt->state != RTSP_STATE_PLAYING)
return 0;
+ else if (!(rt->server_type == RTSP_SERVER_REAL && rt->need_subscription)) {
+ snprintf(cmd, sizeof(cmd),
+ "PAUSE %s RTSP/1.0\r\n",
+ s->filename);
+ rtsp_send_cmd(s, cmd, reply, NULL);
+ if (reply->status_code != RTSP_STATUS_OK) {
+ return -1;
+ }
+ }
+ rt->state = RTSP_STATE_PAUSED;
+ return 0;
+}
+
+static int rtsp_read_seek(AVFormatContext *s, int stream_index,
+ int64_t timestamp, int flags)
+{
+ RTSPState *rt = s->priv_data;
+
+ rt->seek_timestamp = av_rescale_q(timestamp, s->streams[stream_index]->time_base, AV_TIME_BASE_Q);
+ switch(rt->state) {
+ default:
+ case RTSP_STATE_IDLE:
+ break;
+ case RTSP_STATE_PLAYING:
+ if (rtsp_read_pause(s) != 0)
+ return -1;
+ rt->state = RTSP_STATE_SEEKING;
+ if (rtsp_read_play(s) != 0)
+ return -1;
+ break;
+ case RTSP_STATE_PAUSED:
+ rt->state = RTSP_STATE_IDLE;
+ break;
}
+ return 0;
}
static int rtsp_read_close(AVFormatContext *s)
{
RTSPState *rt = s->priv_data;
- RTSPHeader reply1, *reply = &reply1;
+ RTSPMessageHeader reply1, *reply = &reply1;
char cmd[1024];
#if 0
/* NOTE: it is valid to flush the buffer here */
- if (rt->protocol == RTSP_PROTOCOL_RTP_TCP) {
+ if (rt->lower_transport == RTSP_LOWER_TRANSPORT_TCP) {
url_fclose(&rt->rtsp_gb);
}
#endif
- snprintf(cmd, sizeof(cmd),
+ snprintf(cmd, sizeof(cmd),
"TEARDOWN %s RTSP/1.0\r\n",
s->filename);
rtsp_send_cmd(s, cmd, reply, NULL);
- if (ff_rtsp_callback) {
- ff_rtsp_callback(RTSP_ACTION_CLIENT_TEARDOWN, rt->session_id,
- NULL, 0, NULL);
- }
-
rtsp_close_streams(rt);
url_close(rt->rtsp_hd);
return 0;
}
-AVInputFormat rtsp_demux = {
+#if CONFIG_RTSP_DEMUXER
+AVInputFormat rtsp_demuxer = {
"rtsp",
- "RTSP input format",
+ NULL_IF_CONFIG_SMALL("RTSP input format"),
sizeof(RTSPState),
rtsp_probe,
rtsp_read_header,
rtsp_read_packet,
rtsp_read_close,
+ rtsp_read_seek,
.flags = AVFMT_NOFILE,
+ .read_play = rtsp_read_play,
+ .read_pause = rtsp_read_pause,
};
+#endif
static int sdp_probe(AVProbeData *p1)
{
- const char *p;
+ const char *p = p1->buf, *p_end = p1->buf + p1->buf_size;
/* we look for a line beginning "c=IN IP4" */
- p = p1->buf;
- while (*p != '\0') {
- if (strstart(p, "c=IN IP4", NULL))
+ while (p < p_end && *p != '\0') {
+ if (p + sizeof("c=IN IP4") - 1 < p_end && av_strstart(p, "c=IN IP4", NULL))
return AVPROBE_SCORE_MAX / 2;
- p = strchr(p, '\n');
- if (!p)
+
+ while(p < p_end - 1 && *p != '\n') p++;
+ if (++p >= p_end)
break;
- p++;
if (*p == '\r')
p++;
}
int size, i, err;
char *content;
char url[1024];
- AVStream *st;
/* read the whole sdp file */
/* XXX: better loading */
content = av_malloc(SDP_MAX_SIZE);
- size = get_buffer(&s->pb, content, SDP_MAX_SIZE - 1);
+ size = get_buffer(s->pb, content, SDP_MAX_SIZE - 1);
if (size <= 0) {
av_free(content);
return AVERROR_INVALIDDATA;
/* open each RTP stream */
for(i=0;i<rt->nb_rtsp_streams;i++) {
rtsp_st = rt->rtsp_streams[i];
-
- snprintf(url, sizeof(url), "rtp://%s:%d?multicast=1&ttl=%d",
- inet_ntoa(rtsp_st->sdp_ip),
+
+ snprintf(url, sizeof(url), "rtp://%s:%d?localport=%d&ttl=%d",
+ inet_ntoa(rtsp_st->sdp_ip),
+ rtsp_st->sdp_port,
rtsp_st->sdp_port,
rtsp_st->sdp_ttl);
- if (url_open(&rtsp_st->rtp_handle, url, URL_RDONLY) < 0) {
+ if (url_open(&rtsp_st->rtp_handle, url, URL_RDWR) < 0) {
err = AVERROR_INVALIDDATA;
goto fail;
}
- /* open the RTP context */
- st = NULL;
- if (rtsp_st->stream_index >= 0)
- st = s->streams[rtsp_st->stream_index];
- if (!st)
- s->ctx_flags |= AVFMTCTX_NOHEADER;
- rtsp_st->rtp_ctx = rtp_parse_open(s, st, rtsp_st->sdp_payload_type);
- if (!rtsp_st->rtp_ctx) {
- err = AVERROR_NOMEM;
+ if ((err = rtsp_open_transport_ctx(s, rtsp_st)))
goto fail;
- }
}
return 0;
fail:
return 0;
}
-
-static AVInputFormat sdp_demux = {
+#if CONFIG_SDP_DEMUXER
+AVInputFormat sdp_demuxer = {
"sdp",
- "SDP",
+ NULL_IF_CONFIG_SMALL("SDP"),
sizeof(RTSPState),
sdp_probe,
sdp_read_header,
sdp_read_packet,
sdp_read_close,
};
-
-
-/* dummy redirector format (used directly in av_open_input_file now) */
-static int redir_probe(AVProbeData *pd)
-{
- const char *p;
- p = pd->buf;
- while (redir_isspace(*p))
- p++;
- if (strstart(p, "http://", NULL) ||
- strstart(p, "rtsp://", NULL))
- return AVPROBE_SCORE_MAX;
- return 0;
-}
-
-/* called from utils.c */
-int redir_open(AVFormatContext **ic_ptr, ByteIOContext *f)
-{
- char buf[4096], *q;
- int c;
- AVFormatContext *ic = NULL;
-
- /* parse each URL and try to open it */
- c = url_fgetc(f);
- while (c != URL_EOF) {
- /* skip spaces */
- for(;;) {
- if (!redir_isspace(c))
- break;
- c = url_fgetc(f);
- }
- if (c == URL_EOF)
- break;
- /* record url */
- q = buf;
- for(;;) {
- if (c == URL_EOF || redir_isspace(c))
- break;
- if ((q - buf) < sizeof(buf) - 1)
- *q++ = c;
- c = url_fgetc(f);
- }
- *q = '\0';
- //printf("URL='%s'\n", buf);
- /* try to open the media file */
- if (av_open_input_file(&ic, buf, NULL, 0, NULL) == 0)
- break;
- }
- *ic_ptr = ic;
- if (!ic)
- return AVERROR_IO;
- else
- return 0;
-}
-
-AVInputFormat redir_demux = {
- "redir",
- "Redirector format",
- 0,
- redir_probe,
- NULL,
- NULL,
- NULL,
-};
-
-int rtsp_init(void)
-{
- av_register_input_format(&rtsp_demux);
- av_register_input_format(&redir_demux);
- av_register_input_format(&sdp_demux);
- return 0;
-}
+#endif
projects / ffmpeg / blobdiff