/*
* RTSP/SDP client
- * Copyright (c) 2002 Fabrice Bellard.
+ * Copyright (c) 2002 Fabrice Bellard
*
* This file is part of FFmpeg.
*
#define _SVID_SOURCE
#include "libavutil/avstring.h"
+#include "libavutil/intreadwrite.h"
#include "avformat.h"
#include <sys/time.h>
-#ifdef HAVE_SYS_SELECT_H
+#if HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#include <strings.h>
#include "network.h"
#include "rtsp.h"
-#include "rtp_internal.h"
+#include "rtpdec.h"
#include "rdt.h"
+#include "rtp_asf.h"
+#include "rtp_vorbis.h"
//#define DEBUG
//#define DEBUG_RTP_TCP
-enum RTSPClientState {
- RTSP_STATE_IDLE,
- RTSP_STATE_PLAYING,
- RTSP_STATE_PAUSED,
-};
-
-enum RTSPServerType {
- RTSP_SERVER_RTP, /*< Standard-compliant RTP-server */
- RTSP_SERVER_REAL, /*< Realmedia-style server */
- RTSP_SERVER_LAST
-};
-
-enum RTSPTransport {
- RTSP_TRANSPORT_RTP,
- RTSP_TRANSPORT_RDT,
- RTSP_TRANSPORT_LAST
-};
-
-typedef struct RTSPState {
- URLContext *rtsp_hd; /* RTSP TCP connexion handle */
- int nb_rtsp_streams;
- struct RTSPStream **rtsp_streams;
-
- enum RTSPClientState state;
- int64_t seek_timestamp;
-
- /* XXX: currently we use unbuffered input */
- // ByteIOContext rtsp_gb;
- int seq; /* RTSP command sequence number */
- char session_id[512];
- enum RTSPTransport transport;
- enum RTSPLowerTransport lower_transport;
- enum RTSPServerType server_type;
- char last_reply[2048]; /* XXX: allocate ? */
- RTPDemuxContext *cur_rtp;
- int need_subscription;
-} 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 */
- rtp_payload_data_t rtp_payload_data; /* rtp payload parsing infos from SDP */
-
- RTPDynamicProtocolHandler *dynamic_handler; ///< Only valid if it's a dynamic protocol. (This is the handler structure)
- void *dynamic_protocol_context; ///< Only valid if it's a dynamic protocol. (This is any private data associated with the dynamic protocol)
-} RTSPStream;
-
static int rtsp_read_play(AVFormatContext *s);
-/* XXX: currently, the only way to change the protocols consists in
- changing this variable */
-
#if LIBAVFORMAT_VERSION_INT < (53 << 16)
int rtsp_default_protocols = (1 << RTSP_LOWER_TRANSPORT_UDP);
#endif
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;
p = *pp;
- if (*p == '/')
- p++;
skip_spaces(&p);
q = buf;
while (!strchr(sep, *p) && *p != '\0') {
*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
if (payload_type >= RTP_PT_PRIVATE) {
RTPDynamicProtocolHandler *handler= RTPFirstDynamicPayloadHandler;
while(handler) {
- if (!strcmp(buf, handler->enc_name) && (codec->codec_type == handler->codec_type)) {
+ 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) {
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_config(AVCodecContext *codec, char *attr, char *value)
+static void sdp_parse_fmtp_config(AVCodecContext * codec, void *ctx,
+ char *attr, char *value)
{
switch (codec->codec_id) {
case CODEC_ID_MPEG4:
if (!strcmp(attr, "config")) {
/* decode the hexa encoded parameter */
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)
return;
hex_to_data(codec->extradata, value);
}
break;
+ case CODEC_ID_VORBIS:
+ ff_vorbis_parse_fmtp_config(codec, ctx, attr, value);
+ break;
default:
break;
}
return;
}
-typedef struct attrname_map
-{
+typedef struct {
const char *str;
uint16_t type;
uint32_t offset;
-} attrname_map_t;
+} AttrNameMap;
/* All known fmtp parmeters and the corresping RTPAttrTypeEnum */
#define ATTR_NAME_TYPE_INT 0
#define ATTR_NAME_TYPE_STR 1
-static const attrname_map_t attr_names[]=
+static const AttrNameMap attr_names[]=
{
- {"SizeLength", ATTR_NAME_TYPE_INT, offsetof(rtp_payload_data_t, sizelength)},
- {"IndexLength", ATTR_NAME_TYPE_INT, offsetof(rtp_payload_data_t, indexlength)},
- {"IndexDeltaLength", ATTR_NAME_TYPE_INT, offsetof(rtp_payload_data_t, indexdeltalength)},
- {"profile-level-id", ATTR_NAME_TYPE_INT, offsetof(rtp_payload_data_t, profile_level_id)},
- {"StreamType", ATTR_NAME_TYPE_INT, offsetof(rtp_payload_data_t, streamtype)},
- {"mode", ATTR_NAME_TYPE_STR, offsetof(rtp_payload_data_t, mode)},
+ {"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},
};
int rtsp_next_attr_and_value(const char **p, char *attr, int attr_size, char *value, int value_size)
{
skip_spaces(p);
- if(**p)
- {
+ if(**p) {
get_word_sep(attr, attr_size, "=", p);
if (**p == '=')
(*p)++;
static void sdp_parse_fmtp(AVStream *st, const char *p)
{
char attr[256];
- char value[4096];
+ /* 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;
- rtp_payload_data_t *rtp_payload_data = &rtsp_st->rtp_payload_data;
+ 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, attr, value);
+ 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)) {
/* 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,
#endif
p = buf;
+ if (s1->skip_media && letter != 'm')
+ return;
switch(letter) {
case 'c':
get_word(buf1, sizeof(buf1), &p);
}
break;
case 's':
- av_strlcpy(s->title, p, sizeof(s->title));
+ av_metadata_set(&s->metadata, "title", p);
break;
case 'i':
if (s->nb_streams == 0) {
- av_strlcpy(s->comment, p, sizeof(s->comment));
+ 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));
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 */
} else {
av_strlcpy(rtsp_st->control_url, p, sizeof(rtsp_st->control_url));
}
- } else if (av_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);
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, rtsp_st, payload_type, p);
- }
- }
+ 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);
rtsp_st = st->priv_data;
if (rtsp_st->sdp_payload_type == payload_type) {
if(rtsp_st->dynamic_handler && rtsp_st->dynamic_handler->parse_sdp_a_line) {
- if(!rtsp_st->dynamic_handler->parse_sdp_a_line(st, rtsp_st->dynamic_protocol_context, buf)) {
+ if(!rtsp_st->dynamic_handler->parse_sdp_a_line(s, i, rtsp_st->dynamic_protocol_context, buf)) {
sdp_parse_fmtp(st, p);
}
} else {
rtsp_st = st->priv_data;
if (rtsp_st->sdp_payload_type == payload_type) {
if(rtsp_st->dynamic_handler && rtsp_st->dynamic_handler->parse_sdp_a_line) {
- rtsp_st->dynamic_handler->parse_sdp_a_line(st, rtsp_st->dynamic_protocol_context, buf);
+ rtsp_st->dynamic_handler->parse_sdp_a_line(s, i, rtsp_st->dynamic_protocol_context, buf);
}
}
}
} else if (av_strstart(p, "IsRealDataType:integer;",&p)) {
if (atoi(p) == 1)
rt->transport = RTSP_TRANSPORT_RDT;
- } else if (s->nb_streams > 0) {
- 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->streams[s->nb_streams - 1],
- rtsp_st->dynamic_protocol_context, buf);
+ } 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[2048], *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));
}
/* 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];
get_word_sep(transport_protocol, sizeof(transport_protocol),
"/", &p);
- if (*p == '/')
- p++;
if (!strcasecmp (transport_protocol, "rtp")) {
get_word_sep(profile, sizeof(profile), "/;,", &p);
lower_transport[0] = '\0';
/* rtp/avp/<protocol> */
if (*p == '/') {
- p++;
get_word_sep(lower_transport, sizeof(lower_transport),
";,", &p);
}
}
}
-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 (av_stristart(p, "Session:", &p)) {
+ int t;
get_word_sep(reply->session_id, sizeof(reply->session_id), ";", &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 (av_stristart(p, "Transport:", &p)) {
} 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));
}
}
}
}
-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++;
- 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));
- }
- av_strlcat(buf, "\r\n", sizeof(buf));
-#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_readbuf(rt->rtsp_hd, &ch, 1) != 1)
- break;
+ ret = url_readbuf(rt->rtsp_hd, &ch, 1);
+#ifdef DEBUG_RTP_TCP
+ printf("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)
*content_ptr = content;
else
av_free(content);
+
+ return 0;
+}
+
+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));
+ }
+ av_strlcat(buf, "\r\n", sizeof(buf));
+#ifdef DEBUG
+ printf("Sending:\n%s--\n", buf);
+#endif
+ 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)
+{
+ 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)
}
}
av_free(rt->rtsp_streams);
+ if (rt->asf_ctx) {
+ av_close_input_stream (rt->asf_ctx);
+ rt->asf_ctx = NULL;
+ }
}
static int
rtsp_open_transport_ctx(AVFormatContext *s, RTSPStream *rtsp_st)
{
+ RTSPState *rt = s->priv_data;
AVStream *st = NULL;
/* open the RTP context */
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->rtp_handle, rtsp_st->sdp_payload_type, &rtsp_st->rtp_payload_data);
- if (!rtsp_st->rtp_ctx) {
+ 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 {
+ } else if (rt->transport != RTSP_TRANSPORT_RDT) {
if(rtsp_st->dynamic_handler) {
- rtsp_st->rtp_ctx->dynamic_protocol_context= rtsp_st->dynamic_protocol_context;
- rtsp_st->rtp_ctx->parse_packet= rtsp_st->dynamic_handler->parse_packet;
+ rtp_parse_set_dynamic_protocol(rtsp_st->transport_priv,
+ rtsp_st->dynamic_protocol_context,
+ rtsp_st->dynamic_handler);
}
}
int lower_transport, const char *real_challenge)
{
RTSPState *rt = s->priv_data;
- int j, i, err;
+ int rtx, j, i, err, interleave = 0;
RTSPStream *rtsp_st;
- RTSPHeader reply1, *reply = &reply1;
+ RTSPMessageHeader reply1, *reply = &reply1;
char cmd[2048];
const char *trans_pref;
else
trans_pref = "RTP/AVP";
+ /* 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(j = RTSP_RTP_PORT_MIN, i = 0; i < rt->nb_rtsp_streams; ++i) {
char transport[2048];
- rtsp_st = rt->rtsp_streams[i];
+ /**
+ * 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 (lower_transport == RTSP_LOWER_TRANSPORT_UDP) {
char buf[256];
+ 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) {
while(j <= RTSP_RTP_PORT_MAX) {
rtp_opened:
port = rtp_get_local_port(rtsp_st->rtp_handle);
+ 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)
+ if (rt->transport == RTSP_TRANSPORT_RTP &&
+ !(rt->server_type == RTSP_SERVER_WMS && i > 0))
av_strlcatf(transport, sizeof(transport), "-%d", port + 1);
}
/* RTP/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);
+ "%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;
}
else if (lower_transport == RTSP_LOWER_TRANSPORT_UDP_MULTICAST) {
snprintf(transport, sizeof(transport) - 1,
"%s/UDP;multicast", trans_pref);
}
- if (rt->server_type == RTSP_SERVER_REAL)
+ 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"
/* XXX: also use address if specified */
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;
}
goto fail;
}
+ if (reply->timeout > 0)
+ rt->timeout = reply->timeout;
+
if (rt->server_type == RTSP_SERVER_REAL)
rt->need_subscription = 1;
char host[1024], path[1024], tcpname[1024], cmd[2048], *option_list, *option;
URLContext *rtsp_hd;
int port, ret, err;
- RTSPHeader reply1, *reply = &reply1;
+ RTSPMessageHeader reply1, *reply = &reply1;
unsigned char *content = NULL;
int lower_transport_mask = 0;
char real_challenge[64];
}
if (!lower_transport_mask)
- lower_transport_mask = (1 << RTSP_LOWER_TRANSPORT_LAST) - 1;
+ lower_transport_mask = (1 << RTSP_LOWER_TRANSPORT_NB) - 1;
/* open the tcp connexion */
snprintf(tcpname, sizeof(tcpname), "tcp://%s:%d", host, port);
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);
}
#endif
redo:
for(;;) {
- ret = url_readbuf(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 */
}
ret = url_readbuf(rt->rtsp_hd, buf, 3);
if (ret != 3)
if (ret != len)
return -1;
if (rt->transport == RTSP_TRANSPORT_RDT &&
- ff_rdt_parse_header(buf, len, &id, NULL, NULL, NULL) < 0)
+ ff_rdt_parse_header(buf, len, &id, NULL, NULL, NULL, NULL) < 0)
return -1;
/* find the matching stream */
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 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 */
+ }
}
}
}
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 && rt->need_subscription) {
+ if (rt->server_type == RTSP_SERVER_REAL) {
int i;
- RTSPHeader reply1, *reply = &reply1;
- char cmd[1024];
-
- snprintf(cmd, sizeof(cmd),
- "SET_PARAMETER %s RTSP/1.0\r\n"
- "Subscribe: ",
- s->filename);
- for (i = 0; i < rt->nb_rtsp_streams; i++) {
- if (i != 0) av_strlcat(cmd, ",", sizeof(cmd));
- ff_rdt_subscribe_rule(cmd, sizeof(cmd), i, 0);
- if (rt->transport == RTSP_TRANSPORT_RDT)
- ff_rdt_subscribe_rule2(
- rt->rtsp_streams[i]->rtp_ctx,
- cmd, sizeof(cmd), i, 0);
+ 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;
+ }
}
- av_strlcat(cmd, "\r\n", sizeof(cmd));
- 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);
+ 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) {
+ if (rt->cur_transport_priv) {
if (rt->transport == RTSP_TRANSPORT_RDT)
- ret = ff_rdt_parse_packet(rt->cur_rtp, pkt, NULL, 0);
+ ret = ff_rdt_parse_packet(rt->cur_transport_priv, pkt, NULL, 0);
else
- ret = rtp_parse_packet(rt->cur_rtp, pkt, NULL, 0);
+ 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;
}
}
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->rtp_ctx)
- rtp_check_and_send_back_rr(rtsp_st->rtp_ctx, len);
+ 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 len;
if (rt->transport == RTSP_TRANSPORT_RDT)
- ret = ff_rdt_parse_packet(rtsp_st->rtp_ctx, pkt, buf, len);
+ ret = ff_rdt_parse_packet(rtsp_st->transport_priv, pkt, buf, len);
else
- ret = rtp_parse_packet(rtsp_st->rtp_ctx, pkt, buf, len);
+ 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;
}
static int rtsp_read_play(AVFormatContext *s)
{
RTSPState *rt = s->priv_data;
- RTSPHeader reply1, *reply = &reply1;
+ RTSPMessageHeader reply1, *reply = &reply1;
char cmd[1024];
av_log(s, AV_LOG_DEBUG, "hello state=%d\n", rt->state);
static int rtsp_read_pause(AVFormatContext *s)
{
RTSPState *rt = s->priv_data;
- RTSPHeader reply1, *reply = &reply1;
+ RTSPMessageHeader reply1, *reply = &reply1;
char cmd[1024];
rt = s->priv_data;
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
return 0;
}
-#ifdef CONFIG_RTSP_DEMUXER
+#if CONFIG_RTSP_DEMUXER
AVInputFormat rtsp_demuxer = {
"rtsp",
NULL_IF_CONFIG_SMALL("RTSP input format"),
return 0;
}
-#ifdef CONFIG_SDP_DEMUXER
+#if CONFIG_SDP_DEMUXER
AVInputFormat sdp_demuxer = {
"sdp",
NULL_IF_CONFIG_SMALL("SDP"),
};
#endif
-#ifdef CONFIG_REDIR_DEMUXER
+#if CONFIG_REDIR_DEMUXER
/* 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++;
+ skip_spaces(&p);
if (av_strstart(p, "http://", NULL) ||
av_strstart(p, "rtsp://", NULL))
return AVPROBE_SCORE_MAX;
projects / frescor / ffmpeg.git / blobdiff