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/* |
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* RTSP/SDP client |
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* Copyright (c) 2002 Fabrice Bellard |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "config_components.h" |
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#include "libavutil/avassert.h" |
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#include "libavutil/base64.h" |
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#include "libavutil/bprint.h" |
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#include "libavutil/avstring.h" |
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#include "libavutil/intreadwrite.h" |
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#include "libavutil/mathematics.h" |
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#include "libavutil/mem.h" |
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#include "libavutil/parseutils.h" |
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#include "libavutil/random_seed.h" |
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#include "libavutil/dict.h" |
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#include "libavutil/opt.h" |
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#include "libavutil/time.h" |
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#include "libavcodec/codec_desc.h" |
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#include "avformat.h" |
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#include "avio_internal.h" |
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#include "demux.h" |
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#if HAVE_POLL_H |
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#include <poll.h> |
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#endif |
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#include "internal.h" |
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#include "network.h" |
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#include "os_support.h" |
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#include "http.h" |
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#include "rtsp.h" |
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#include "rtpdec.h" |
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#include "rtpproto.h" |
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#include "rdt.h" |
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#include "rtpdec_formats.h" |
54 |
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#include "rtpenc_chain.h" |
55 |
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#include "url.h" |
56 |
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#include "rtpenc.h" |
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#include "mpegts.h" |
58 |
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#include "version.h" |
59 |
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60 |
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/* Default timeout values for read packet in seconds */ |
61 |
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#define READ_PACKET_TIMEOUT_S 10 |
62 |
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#define RECVBUF_SIZE 10 * RTP_MAX_PACKET_LENGTH |
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#define DEFAULT_REORDERING_DELAY 100000 |
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#define OFFSET(x) offsetof(RTSPState, x) |
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#define DEC AV_OPT_FLAG_DECODING_PARAM |
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#define ENC AV_OPT_FLAG_ENCODING_PARAM |
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69 |
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#define RTSP_FLAG_OPTS(name, longname) \ |
70 |
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{ name, longname, OFFSET(rtsp_flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, DEC, .unit = "rtsp_flags" }, \ |
71 |
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{ "filter_src", "only receive packets from the negotiated peer IP", 0, AV_OPT_TYPE_CONST, {.i64 = RTSP_FLAG_FILTER_SRC}, 0, 0, DEC, .unit = "rtsp_flags" } |
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73 |
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#define RTSP_MEDIATYPE_OPTS(name, longname) \ |
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{ name, longname, OFFSET(media_type_mask), AV_OPT_TYPE_FLAGS, { .i64 = (1 << (AVMEDIA_TYPE_SUBTITLE+1)) - 1 }, INT_MIN, INT_MAX, DEC, .unit = "allowed_media_types" }, \ |
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{ "video", "Video", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << AVMEDIA_TYPE_VIDEO}, 0, 0, DEC, .unit = "allowed_media_types" }, \ |
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{ "audio", "Audio", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << AVMEDIA_TYPE_AUDIO}, 0, 0, DEC, .unit = "allowed_media_types" }, \ |
77 |
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{ "data", "Data", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << AVMEDIA_TYPE_DATA}, 0, 0, DEC, .unit = "allowed_media_types" }, \ |
78 |
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{ "subtitle", "Subtitle", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << AVMEDIA_TYPE_SUBTITLE}, 0, 0, DEC, .unit = "allowed_media_types" } |
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80 |
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#define COMMON_OPTS() \ |
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{ "reorder_queue_size", "set number of packets to buffer for handling of reordered packets", OFFSET(reordering_queue_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, DEC }, \ |
82 |
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{ "buffer_size", "Underlying protocol send/receive buffer size", OFFSET(buffer_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, DEC|ENC }, \ |
83 |
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{ "pkt_size", "Underlying protocol send packet size", OFFSET(pkt_size), AV_OPT_TYPE_INT, { .i64 = 1472 }, -1, INT_MAX, ENC } \ |
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85 |
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const AVOption ff_rtsp_options[] = { |
87 |
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{ "initial_pause", "do not start playing the stream immediately", OFFSET(initial_pause), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DEC }, |
88 |
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FF_RTP_FLAG_OPTS(RTSPState, rtp_muxer_flags), |
89 |
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{ "rtsp_transport", "set RTSP transport protocols", OFFSET(lower_transport_mask), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, DEC|ENC, .unit = "rtsp_transport" }, \ |
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{ "udp", "UDP", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << RTSP_LOWER_TRANSPORT_UDP}, 0, 0, DEC|ENC, .unit = "rtsp_transport" }, \ |
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{ "tcp", "TCP", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << RTSP_LOWER_TRANSPORT_TCP}, 0, 0, DEC|ENC, .unit = "rtsp_transport" }, \ |
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{ "udp_multicast", "UDP multicast", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << RTSP_LOWER_TRANSPORT_UDP_MULTICAST}, 0, 0, DEC, .unit = "rtsp_transport" }, |
93 |
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{ "http", "HTTP tunneling", 0, AV_OPT_TYPE_CONST, {.i64 = (1 << RTSP_LOWER_TRANSPORT_HTTP)}, 0, 0, DEC, .unit = "rtsp_transport" }, |
94 |
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{ "https", "HTTPS tunneling", 0, AV_OPT_TYPE_CONST, {.i64 = (1 << RTSP_LOWER_TRANSPORT_HTTPS )}, 0, 0, DEC, .unit = "rtsp_transport" }, |
95 |
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RTSP_FLAG_OPTS("rtsp_flags", "set RTSP flags"), |
96 |
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{ "listen", "wait for incoming connections", 0, AV_OPT_TYPE_CONST, {.i64 = RTSP_FLAG_LISTEN}, 0, 0, DEC, .unit = "rtsp_flags" }, |
97 |
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{ "prefer_tcp", "try RTP via TCP first, if available", 0, AV_OPT_TYPE_CONST, {.i64 = RTSP_FLAG_PREFER_TCP}, 0, 0, DEC|ENC, .unit = "rtsp_flags" }, |
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{ "satip_raw", "export raw MPEG-TS stream instead of demuxing", 0, AV_OPT_TYPE_CONST, {.i64 = RTSP_FLAG_SATIP_RAW}, 0, 0, DEC, .unit = "rtsp_flags" }, |
99 |
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RTSP_MEDIATYPE_OPTS("allowed_media_types", "set media types to accept from the server"), |
100 |
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{ "min_port", "set minimum local UDP port", OFFSET(rtp_port_min), AV_OPT_TYPE_INT, {.i64 = RTSP_RTP_PORT_MIN}, 0, 65535, DEC|ENC }, |
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{ "max_port", "set maximum local UDP port", OFFSET(rtp_port_max), AV_OPT_TYPE_INT, {.i64 = RTSP_RTP_PORT_MAX}, 0, 65535, DEC|ENC }, |
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{ "listen_timeout", "set maximum timeout (in seconds) to wait for incoming connections (-1 is infinite, imply flag listen)", OFFSET(initial_timeout), AV_OPT_TYPE_INT, {.i64 = -1}, INT_MIN, INT_MAX, DEC }, |
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{ "timeout", "set timeout (in microseconds) of socket I/O operations", OFFSET(stimeout), AV_OPT_TYPE_INT64, {.i64 = 0}, INT_MIN, INT64_MAX, DEC }, |
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COMMON_OPTS(), |
105 |
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{ "user_agent", "override User-Agent header", OFFSET(user_agent), AV_OPT_TYPE_STRING, {.str = LIBAVFORMAT_IDENT}, 0, 0, DEC }, |
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{ NULL }, |
107 |
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}; |
108 |
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static const AVOption sdp_options[] = { |
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RTSP_FLAG_OPTS("sdp_flags", "SDP flags"), |
111 |
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{ "custom_io", "use custom I/O", 0, AV_OPT_TYPE_CONST, {.i64 = RTSP_FLAG_CUSTOM_IO}, 0, 0, DEC, .unit = "rtsp_flags" }, |
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{ "rtcp_to_source", "send RTCP packets to the source address of received packets", 0, AV_OPT_TYPE_CONST, {.i64 = RTSP_FLAG_RTCP_TO_SOURCE}, 0, 0, DEC, .unit = "rtsp_flags" }, |
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{ "listen_timeout", "set maximum timeout (in seconds) to wait for incoming connections", OFFSET(stimeout), AV_OPT_TYPE_DURATION, {.i64 = READ_PACKET_TIMEOUT_S*1000000}, INT_MIN, INT64_MAX, DEC }, |
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{ "localaddr", "local address", OFFSET(localaddr),AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC }, \ |
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RTSP_MEDIATYPE_OPTS("allowed_media_types", "set media types to accept from the server"), |
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COMMON_OPTS(), |
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{ NULL }, |
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}; |
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120 |
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static const AVOption rtp_options[] = { |
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RTSP_FLAG_OPTS("rtp_flags", "set RTP flags"), |
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{ "listen_timeout", "set maximum timeout (in seconds) to wait for incoming connections", OFFSET(stimeout), AV_OPT_TYPE_DURATION, {.i64 = READ_PACKET_TIMEOUT_S*1000000}, INT_MIN, INT64_MAX, DEC }, |
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{ "localaddr", "local address", OFFSET(localaddr),AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC }, \ |
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RTSP_MEDIATYPE_OPTS("allowed_media_types", "set media types to accept from the server"), |
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COMMON_OPTS(), |
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{ NULL }, |
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}; |
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129 |
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static AVDictionary *map_to_opts(RTSPState *rt) |
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{ |
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AVDictionary *opts = NULL; |
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av_dict_set_int(&opts, "buffer_size", rt->buffer_size, 0); |
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av_dict_set_int(&opts, "pkt_size", rt->pkt_size, 0); |
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if (rt->localaddr && rt->localaddr[0]) |
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av_dict_set(&opts, "localaddr", rt->localaddr, 0); |
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return opts; |
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} |
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static void get_word_until_chars(char *buf, int buf_size, |
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const char *sep, const char **pp) |
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{ |
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const char *p; |
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char *q; |
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p = *pp; |
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p += strspn(p, SPACE_CHARS); |
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q = buf; |
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while (!strchr(sep, *p) && *p != '\0') { |
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if ((q - buf) < buf_size - 1) |
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*q++ = *p; |
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p++; |
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} |
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if (buf_size > 0) |
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*q = '\0'; |
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*pp = p; |
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} |
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static void get_word_sep(char *buf, int buf_size, const char *sep, |
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const char **pp) |
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{ |
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if (**pp == '/') (*pp)++; |
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get_word_until_chars(buf, buf_size, sep, pp); |
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} |
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168 |
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static void get_word(char *buf, int buf_size, const char **pp) |
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{ |
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get_word_until_chars(buf, buf_size, SPACE_CHARS, pp); |
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} |
172 |
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/** Parse a string p in the form of Range:npt=xx-xx, and determine the start |
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* and end time. |
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* Used for seeking in the rtp stream. |
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*/ |
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static void rtsp_parse_range_npt(const char *p, int64_t *start, int64_t *end) |
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{ |
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char buf[256]; |
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p += strspn(p, SPACE_CHARS); |
182 |
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if (!av_stristart(p, "npt=", &p)) |
183 |
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return; |
184 |
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185 |
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*start = AV_NOPTS_VALUE; |
186 |
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*end = AV_NOPTS_VALUE; |
187 |
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188 |
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get_word_sep(buf, sizeof(buf), "-", &p); |
189 |
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if (av_parse_time(start, buf, 1) < 0) |
190 |
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return; |
191 |
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if (*p == '-') { |
192 |
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p++; |
193 |
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get_word_sep(buf, sizeof(buf), "-", &p); |
194 |
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if (av_parse_time(end, buf, 1) < 0) |
195 |
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av_log(NULL, AV_LOG_DEBUG, "Failed to parse interval end specification '%s'\n", buf); |
196 |
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} |
197 |
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} |
198 |
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199 |
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static int get_sockaddr(AVFormatContext *s, |
200 |
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const char *buf, struct sockaddr_storage *sock) |
201 |
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{ |
202 |
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struct addrinfo hints = { 0 }, *ai = NULL; |
203 |
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int ret; |
204 |
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205 |
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hints.ai_flags = AI_NUMERICHOST; |
206 |
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if ((ret = getaddrinfo(buf, NULL, &hints, &ai))) { |
207 |
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av_log(s, AV_LOG_ERROR, "getaddrinfo(%s): %s\n", |
208 |
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buf, |
209 |
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gai_strerror(ret)); |
210 |
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return -1; |
211 |
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} |
212 |
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memcpy(sock, ai->ai_addr, FFMIN(sizeof(*sock), ai->ai_addrlen)); |
213 |
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freeaddrinfo(ai); |
214 |
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return 0; |
215 |
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} |
216 |
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217 |
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#if CONFIG_RTPDEC |
218 |
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static void init_rtp_handler(const RTPDynamicProtocolHandler *handler, |
219 |
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RTSPStream *rtsp_st, AVStream *st) |
220 |
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{ |
221 |
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AVCodecParameters *par = st ? st->codecpar : NULL; |
222 |
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if (!handler) |
223 |
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return; |
224 |
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if (par) |
225 |
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par->codec_id = handler->codec_id; |
226 |
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rtsp_st->dynamic_handler = handler; |
227 |
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if (st) |
228 |
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ffstream(st)->need_parsing = handler->need_parsing; |
229 |
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if (handler->priv_data_size) { |
230 |
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rtsp_st->dynamic_protocol_context = av_mallocz(handler->priv_data_size); |
231 |
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if (!rtsp_st->dynamic_protocol_context) |
232 |
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rtsp_st->dynamic_handler = NULL; |
233 |
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} |
234 |
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} |
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236 |
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static void finalize_rtp_handler_init(AVFormatContext *s, RTSPStream *rtsp_st, |
237 |
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AVStream *st) |
238 |
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{ |
239 |
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if (rtsp_st->dynamic_handler && rtsp_st->dynamic_handler->init) { |
240 |
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int ret = rtsp_st->dynamic_handler->init(s, st ? st->index : -1, |
241 |
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rtsp_st->dynamic_protocol_context); |
242 |
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if (ret < 0) { |
243 |
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if (rtsp_st->dynamic_protocol_context) { |
244 |
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if (rtsp_st->dynamic_handler->close) |
245 |
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rtsp_st->dynamic_handler->close( |
246 |
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rtsp_st->dynamic_protocol_context); |
247 |
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av_free(rtsp_st->dynamic_protocol_context); |
248 |
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} |
249 |
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rtsp_st->dynamic_protocol_context = NULL; |
250 |
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rtsp_st->dynamic_handler = NULL; |
251 |
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} |
252 |
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} |
253 |
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} |
254 |
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255 |
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#if CONFIG_RTSP_DEMUXER |
256 |
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static int init_satip_stream(AVFormatContext *s) |
257 |
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{ |
258 |
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RTSPState *rt = s->priv_data; |
259 |
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RTSPStream *rtsp_st = av_mallocz(sizeof(RTSPStream)); |
260 |
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✗ |
if (!rtsp_st) |
261 |
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return AVERROR(ENOMEM); |
262 |
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dynarray_add(&rt->rtsp_streams, |
263 |
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&rt->nb_rtsp_streams, rtsp_st); |
264 |
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265 |
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rtsp_st->sdp_payload_type = 33; // MP2T |
266 |
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✗ |
av_strlcpy(rtsp_st->control_url, |
267 |
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✗ |
rt->control_uri, sizeof(rtsp_st->control_url)); |
268 |
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|
269 |
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✗ |
if (rt->rtsp_flags & RTSP_FLAG_SATIP_RAW) { |
270 |
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✗ |
AVStream *st = avformat_new_stream(s, NULL); |
271 |
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✗ |
if (!st) |
272 |
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return AVERROR(ENOMEM); |
273 |
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✗ |
st->id = rt->nb_rtsp_streams - 1; |
274 |
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✗ |
rtsp_st->stream_index = st->index; |
275 |
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st->codecpar->codec_type = AVMEDIA_TYPE_DATA; |
276 |
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✗ |
st->codecpar->codec_id = AV_CODEC_ID_MPEG2TS; |
277 |
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} else { |
278 |
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rtsp_st->stream_index = -1; |
279 |
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✗ |
init_rtp_handler(&ff_mpegts_dynamic_handler, rtsp_st, NULL); |
280 |
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✗ |
finalize_rtp_handler_init(s, rtsp_st, NULL); |
281 |
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} |
282 |
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✗ |
return 0; |
283 |
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} |
284 |
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#endif |
285 |
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286 |
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/* parse the rtpmap description: <codec_name>/<clock_rate>[/<other params>] */ |
287 |
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✗ |
static int sdp_parse_rtpmap(AVFormatContext *s, |
288 |
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AVStream *st, RTSPStream *rtsp_st, |
289 |
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int payload_type, const char *p) |
290 |
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{ |
291 |
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✗ |
AVCodecParameters *par = st->codecpar; |
292 |
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char buf[256]; |
293 |
|
|
int i; |
294 |
|
|
const AVCodecDescriptor *desc; |
295 |
|
|
const char *c_name; |
296 |
|
|
|
297 |
|
|
/* See if we can handle this kind of payload. |
298 |
|
|
* The space should normally not be there but some Real streams or |
299 |
|
|
* particular servers ("RealServer Version 6.1.3.970", see issue 1658) |
300 |
|
|
* have a trailing space. */ |
301 |
|
✗ |
get_word_sep(buf, sizeof(buf), "/ ", &p); |
302 |
|
✗ |
if (payload_type < RTP_PT_PRIVATE) { |
303 |
|
|
/* We are in a standard case |
304 |
|
|
* (from http://www.iana.org/assignments/rtp-parameters). */ |
305 |
|
✗ |
par->codec_id = ff_rtp_codec_id(buf, par->codec_type); |
306 |
|
|
} |
307 |
|
|
|
308 |
|
✗ |
if (par->codec_id == AV_CODEC_ID_NONE) { |
309 |
|
|
const RTPDynamicProtocolHandler *handler = |
310 |
|
✗ |
ff_rtp_handler_find_by_name(buf, par->codec_type); |
311 |
|
✗ |
init_rtp_handler(handler, rtsp_st, st); |
312 |
|
|
/* If no dynamic handler was found, check with the list of standard |
313 |
|
|
* allocated types, if such a stream for some reason happens to |
314 |
|
|
* use a private payload type. This isn't handled in rtpdec.c, since |
315 |
|
|
* the format name from the rtpmap line never is passed into rtpdec. */ |
316 |
|
✗ |
if (!rtsp_st->dynamic_handler) |
317 |
|
✗ |
par->codec_id = ff_rtp_codec_id(buf, par->codec_type); |
318 |
|
|
} |
319 |
|
|
|
320 |
|
✗ |
desc = avcodec_descriptor_get(par->codec_id); |
321 |
|
✗ |
if (desc && desc->name) |
322 |
|
✗ |
c_name = desc->name; |
323 |
|
|
else |
324 |
|
✗ |
c_name = "(null)"; |
325 |
|
|
|
326 |
|
✗ |
get_word_sep(buf, sizeof(buf), "/", &p); |
327 |
|
✗ |
i = atoi(buf); |
328 |
|
✗ |
switch (par->codec_type) { |
329 |
|
✗ |
case AVMEDIA_TYPE_AUDIO: |
330 |
|
✗ |
av_log(s, AV_LOG_DEBUG, "audio codec set to: %s\n", c_name); |
331 |
|
✗ |
par->sample_rate = RTSP_DEFAULT_AUDIO_SAMPLERATE; |
332 |
|
✗ |
par->ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_MONO; |
333 |
|
✗ |
if (i > 0) { |
334 |
|
✗ |
par->sample_rate = i; |
335 |
|
✗ |
avpriv_set_pts_info(st, 32, 1, par->sample_rate); |
336 |
|
✗ |
get_word_sep(buf, sizeof(buf), "/", &p); |
337 |
|
✗ |
i = atoi(buf); |
338 |
|
✗ |
if (i > 0) |
339 |
|
✗ |
av_channel_layout_default(&par->ch_layout, i); |
340 |
|
|
} |
341 |
|
✗ |
av_log(s, AV_LOG_DEBUG, "audio samplerate set to: %i\n", |
342 |
|
|
par->sample_rate); |
343 |
|
✗ |
av_log(s, AV_LOG_DEBUG, "audio channels set to: %i\n", |
344 |
|
|
par->ch_layout.nb_channels); |
345 |
|
✗ |
break; |
346 |
|
✗ |
case AVMEDIA_TYPE_VIDEO: |
347 |
|
✗ |
av_log(s, AV_LOG_DEBUG, "video codec set to: %s\n", c_name); |
348 |
|
✗ |
if (i > 0) |
349 |
|
✗ |
avpriv_set_pts_info(st, 32, 1, i); |
350 |
|
✗ |
break; |
351 |
|
✗ |
default: |
352 |
|
✗ |
break; |
353 |
|
|
} |
354 |
|
✗ |
finalize_rtp_handler_init(s, rtsp_st, st); |
355 |
|
✗ |
return 0; |
356 |
|
|
} |
357 |
|
|
|
358 |
|
|
/* parse the attribute line from the fmtp a line of an sdp response. This |
359 |
|
|
* is broken out as a function because it is used in rtp_h264.c, which is |
360 |
|
|
* forthcoming. */ |
361 |
|
✗ |
int ff_rtsp_next_attr_and_value(const char **p, char *attr, int attr_size, |
362 |
|
|
char *value, int value_size) |
363 |
|
|
{ |
364 |
|
✗ |
*p += strspn(*p, SPACE_CHARS); |
365 |
|
✗ |
if (**p) { |
366 |
|
✗ |
get_word_sep(attr, attr_size, "=", p); |
367 |
|
✗ |
if (**p == '=') |
368 |
|
✗ |
(*p)++; |
369 |
|
✗ |
get_word_sep(value, value_size, ";", p); |
370 |
|
✗ |
if (**p == ';') |
371 |
|
✗ |
(*p)++; |
372 |
|
✗ |
return 1; |
373 |
|
|
} |
374 |
|
✗ |
return 0; |
375 |
|
|
} |
376 |
|
|
|
377 |
|
|
typedef struct SDPParseState { |
378 |
|
|
/* SDP only */ |
379 |
|
|
struct sockaddr_storage default_ip; |
380 |
|
|
int default_ttl; |
381 |
|
|
int skip_media; ///< set if an unknown m= line occurs |
382 |
|
|
int nb_default_include_source_addrs; /**< Number of source-specific multicast include source IP address (from SDP content) */ |
383 |
|
|
struct RTSPSource **default_include_source_addrs; /**< Source-specific multicast include source IP address (from SDP content) */ |
384 |
|
|
int nb_default_exclude_source_addrs; /**< Number of source-specific multicast exclude source IP address (from SDP content) */ |
385 |
|
|
struct RTSPSource **default_exclude_source_addrs; /**< Source-specific multicast exclude source IP address (from SDP content) */ |
386 |
|
|
int seen_rtpmap; |
387 |
|
|
int seen_fmtp; |
388 |
|
|
char delayed_fmtp[2048]; |
389 |
|
|
} SDPParseState; |
390 |
|
|
|
391 |
|
✗ |
static void copy_default_source_addrs(struct RTSPSource **addrs, int count, |
392 |
|
|
struct RTSPSource ***dest, int *dest_count) |
393 |
|
|
{ |
394 |
|
|
RTSPSource *rtsp_src, *rtsp_src2; |
395 |
|
|
int i; |
396 |
|
✗ |
for (i = 0; i < count; i++) { |
397 |
|
✗ |
rtsp_src = addrs[i]; |
398 |
|
✗ |
rtsp_src2 = av_memdup(rtsp_src, sizeof(*rtsp_src)); |
399 |
|
✗ |
if (!rtsp_src2) |
400 |
|
✗ |
continue; |
401 |
|
✗ |
dynarray_add(dest, dest_count, rtsp_src2); |
402 |
|
|
} |
403 |
|
✗ |
} |
404 |
|
|
|
405 |
|
✗ |
static void parse_fmtp(AVFormatContext *s, RTSPState *rt, |
406 |
|
|
int payload_type, const char *line) |
407 |
|
|
{ |
408 |
|
|
int i; |
409 |
|
|
|
410 |
|
✗ |
for (i = 0; i < rt->nb_rtsp_streams; i++) { |
411 |
|
✗ |
RTSPStream *rtsp_st = rt->rtsp_streams[i]; |
412 |
|
✗ |
if (rtsp_st->sdp_payload_type == payload_type && |
413 |
|
✗ |
rtsp_st->dynamic_handler && |
414 |
|
✗ |
rtsp_st->dynamic_handler->parse_sdp_a_line) { |
415 |
|
✗ |
rtsp_st->dynamic_handler->parse_sdp_a_line(s, rtsp_st->stream_index, |
416 |
|
|
rtsp_st->dynamic_protocol_context, line); |
417 |
|
|
} |
418 |
|
|
} |
419 |
|
✗ |
} |
420 |
|
|
|
421 |
|
✗ |
static void sdp_parse_line(AVFormatContext *s, SDPParseState *s1, |
422 |
|
|
int letter, const char *buf) |
423 |
|
|
{ |
424 |
|
✗ |
RTSPState *rt = s->priv_data; |
425 |
|
|
char buf1[64], st_type[64]; |
426 |
|
|
const char *p; |
427 |
|
|
enum AVMediaType codec_type; |
428 |
|
|
int payload_type; |
429 |
|
|
AVStream *st; |
430 |
|
|
RTSPStream *rtsp_st; |
431 |
|
|
RTSPSource *rtsp_src; |
432 |
|
|
struct sockaddr_storage sdp_ip; |
433 |
|
|
int ttl; |
434 |
|
|
|
435 |
|
✗ |
av_log(s, AV_LOG_TRACE, "sdp: %c='%s'\n", letter, buf); |
436 |
|
|
|
437 |
|
✗ |
p = buf; |
438 |
|
✗ |
if (s1->skip_media && letter != 'm') |
439 |
|
✗ |
return; |
440 |
|
✗ |
switch (letter) { |
441 |
|
✗ |
case 'c': |
442 |
|
✗ |
get_word(buf1, sizeof(buf1), &p); |
443 |
|
✗ |
if (strcmp(buf1, "IN") != 0) |
444 |
|
✗ |
return; |
445 |
|
✗ |
get_word(buf1, sizeof(buf1), &p); |
446 |
|
✗ |
if (strcmp(buf1, "IP4") && strcmp(buf1, "IP6")) |
447 |
|
✗ |
return; |
448 |
|
✗ |
get_word_sep(buf1, sizeof(buf1), "/", &p); |
449 |
|
✗ |
if (get_sockaddr(s, buf1, &sdp_ip)) |
450 |
|
✗ |
return; |
451 |
|
✗ |
ttl = 16; |
452 |
|
✗ |
if (*p == '/') { |
453 |
|
✗ |
p++; |
454 |
|
✗ |
get_word_sep(buf1, sizeof(buf1), "/", &p); |
455 |
|
✗ |
ttl = atoi(buf1); |
456 |
|
|
} |
457 |
|
✗ |
if (s->nb_streams == 0) { |
458 |
|
✗ |
s1->default_ip = sdp_ip; |
459 |
|
✗ |
s1->default_ttl = ttl; |
460 |
|
|
} else { |
461 |
|
✗ |
rtsp_st = rt->rtsp_streams[rt->nb_rtsp_streams - 1]; |
462 |
|
✗ |
rtsp_st->sdp_ip = sdp_ip; |
463 |
|
✗ |
rtsp_st->sdp_ttl = ttl; |
464 |
|
|
} |
465 |
|
✗ |
break; |
466 |
|
✗ |
case 's': |
467 |
|
✗ |
av_dict_set(&s->metadata, "title", p, 0); |
468 |
|
✗ |
break; |
469 |
|
✗ |
case 'i': |
470 |
|
✗ |
if (s->nb_streams == 0) { |
471 |
|
✗ |
av_dict_set(&s->metadata, "comment", p, 0); |
472 |
|
✗ |
break; |
473 |
|
|
} |
474 |
|
✗ |
break; |
475 |
|
✗ |
case 'm': |
476 |
|
|
/* new stream */ |
477 |
|
✗ |
s1->skip_media = 0; |
478 |
|
✗ |
s1->seen_fmtp = 0; |
479 |
|
✗ |
s1->seen_rtpmap = 0; |
480 |
|
✗ |
codec_type = AVMEDIA_TYPE_UNKNOWN; |
481 |
|
✗ |
get_word(st_type, sizeof(st_type), &p); |
482 |
|
✗ |
if (!strcmp(st_type, "audio")) { |
483 |
|
✗ |
codec_type = AVMEDIA_TYPE_AUDIO; |
484 |
|
✗ |
} else if (!strcmp(st_type, "video")) { |
485 |
|
✗ |
codec_type = AVMEDIA_TYPE_VIDEO; |
486 |
|
✗ |
} else if (!strcmp(st_type, "application")) { |
487 |
|
✗ |
codec_type = AVMEDIA_TYPE_DATA; |
488 |
|
✗ |
} else if (!strcmp(st_type, "text")) { |
489 |
|
✗ |
codec_type = AVMEDIA_TYPE_SUBTITLE; |
490 |
|
|
} |
491 |
|
✗ |
if (codec_type == AVMEDIA_TYPE_UNKNOWN || |
492 |
|
✗ |
!(rt->media_type_mask & (1 << codec_type)) || |
493 |
|
✗ |
rt->nb_rtsp_streams >= s->max_streams |
494 |
|
|
) { |
495 |
|
✗ |
s1->skip_media = 1; |
496 |
|
✗ |
return; |
497 |
|
|
} |
498 |
|
✗ |
rtsp_st = av_mallocz(sizeof(RTSPStream)); |
499 |
|
✗ |
if (!rtsp_st) |
500 |
|
✗ |
return; |
501 |
|
✗ |
rtsp_st->stream_index = -1; |
502 |
|
✗ |
dynarray_add(&rt->rtsp_streams, &rt->nb_rtsp_streams, rtsp_st); |
503 |
|
|
|
504 |
|
✗ |
rtsp_st->sdp_ip = s1->default_ip; |
505 |
|
✗ |
rtsp_st->sdp_ttl = s1->default_ttl; |
506 |
|
|
|
507 |
|
✗ |
copy_default_source_addrs(s1->default_include_source_addrs, |
508 |
|
|
s1->nb_default_include_source_addrs, |
509 |
|
|
&rtsp_st->include_source_addrs, |
510 |
|
|
&rtsp_st->nb_include_source_addrs); |
511 |
|
✗ |
copy_default_source_addrs(s1->default_exclude_source_addrs, |
512 |
|
|
s1->nb_default_exclude_source_addrs, |
513 |
|
|
&rtsp_st->exclude_source_addrs, |
514 |
|
|
&rtsp_st->nb_exclude_source_addrs); |
515 |
|
|
|
516 |
|
✗ |
get_word(buf1, sizeof(buf1), &p); /* port */ |
517 |
|
✗ |
rtsp_st->sdp_port = atoi(buf1); |
518 |
|
|
|
519 |
|
✗ |
get_word(buf1, sizeof(buf1), &p); /* protocol */ |
520 |
|
✗ |
if (!strcmp(buf1, "udp")) |
521 |
|
✗ |
rt->transport = RTSP_TRANSPORT_RAW; |
522 |
|
✗ |
else if (strstr(buf1, "/AVPF") || strstr(buf1, "/SAVPF")) |
523 |
|
✗ |
rtsp_st->feedback = 1; |
524 |
|
|
|
525 |
|
|
/* XXX: handle list of formats */ |
526 |
|
✗ |
get_word(buf1, sizeof(buf1), &p); /* format list */ |
527 |
|
✗ |
rtsp_st->sdp_payload_type = atoi(buf1); |
528 |
|
|
|
529 |
|
✗ |
if (!strcmp(ff_rtp_enc_name(rtsp_st->sdp_payload_type), "MP2T")) { |
530 |
|
|
/* no corresponding stream */ |
531 |
|
✗ |
if (rt->transport == RTSP_TRANSPORT_RAW) { |
532 |
|
✗ |
if (CONFIG_RTPDEC && !rt->ts) |
533 |
|
✗ |
rt->ts = avpriv_mpegts_parse_open(s); |
534 |
|
|
} else { |
535 |
|
|
const RTPDynamicProtocolHandler *handler; |
536 |
|
✗ |
handler = ff_rtp_handler_find_by_id( |
537 |
|
|
rtsp_st->sdp_payload_type, AVMEDIA_TYPE_DATA); |
538 |
|
✗ |
init_rtp_handler(handler, rtsp_st, NULL); |
539 |
|
✗ |
finalize_rtp_handler_init(s, rtsp_st, NULL); |
540 |
|
|
} |
541 |
|
✗ |
} else if (rt->server_type == RTSP_SERVER_WMS && |
542 |
|
|
codec_type == AVMEDIA_TYPE_DATA) { |
543 |
|
|
/* RTX stream, a stream that carries all the other actual |
544 |
|
|
* audio/video streams. Don't expose this to the callers. */ |
545 |
|
|
} else { |
546 |
|
✗ |
st = avformat_new_stream(s, NULL); |
547 |
|
✗ |
if (!st) |
548 |
|
✗ |
return; |
549 |
|
✗ |
st->id = rt->nb_rtsp_streams - 1; |
550 |
|
✗ |
rtsp_st->stream_index = st->index; |
551 |
|
✗ |
st->codecpar->codec_type = codec_type; |
552 |
|
✗ |
if (rtsp_st->sdp_payload_type < RTP_PT_PRIVATE) { |
553 |
|
|
const RTPDynamicProtocolHandler *handler; |
554 |
|
|
/* if standard payload type, we can find the codec right now */ |
555 |
|
✗ |
ff_rtp_get_codec_info(st->codecpar, rtsp_st->sdp_payload_type); |
556 |
|
✗ |
if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && |
557 |
|
✗ |
st->codecpar->sample_rate > 0) |
558 |
|
✗ |
avpriv_set_pts_info(st, 32, 1, st->codecpar->sample_rate); |
559 |
|
|
/* Even static payload types may need a custom depacketizer */ |
560 |
|
✗ |
handler = ff_rtp_handler_find_by_id( |
561 |
|
✗ |
rtsp_st->sdp_payload_type, st->codecpar->codec_type); |
562 |
|
✗ |
init_rtp_handler(handler, rtsp_st, st); |
563 |
|
✗ |
finalize_rtp_handler_init(s, rtsp_st, st); |
564 |
|
|
} |
565 |
|
✗ |
if (rt->default_lang[0]) |
566 |
|
✗ |
av_dict_set(&st->metadata, "language", rt->default_lang, 0); |
567 |
|
|
} |
568 |
|
|
/* put a default control url */ |
569 |
|
✗ |
av_strlcpy(rtsp_st->control_url, rt->control_uri, |
570 |
|
|
sizeof(rtsp_st->control_url)); |
571 |
|
✗ |
break; |
572 |
|
✗ |
case 'a': |
573 |
|
✗ |
if (av_strstart(p, "control:", &p)) { |
574 |
|
✗ |
if (rt->nb_rtsp_streams == 0) { |
575 |
|
✗ |
if (!strncmp(p, "rtsp://", 7)) |
576 |
|
✗ |
av_strlcpy(rt->control_uri, p, |
577 |
|
|
sizeof(rt->control_uri)); |
578 |
|
|
} else { |
579 |
|
|
char proto[32]; |
580 |
|
|
/* get the control url */ |
581 |
|
✗ |
rtsp_st = rt->rtsp_streams[rt->nb_rtsp_streams - 1]; |
582 |
|
|
|
583 |
|
|
/* XXX: may need to add full url resolution */ |
584 |
|
✗ |
av_url_split(proto, sizeof(proto), NULL, 0, NULL, 0, |
585 |
|
|
NULL, NULL, 0, p); |
586 |
|
✗ |
if (proto[0] == '\0') { |
587 |
|
|
/* relative control URL */ |
588 |
|
✗ |
if (rtsp_st->control_url[strlen(rtsp_st->control_url)-1]!='/') |
589 |
|
✗ |
av_strlcat(rtsp_st->control_url, "/", |
590 |
|
|
sizeof(rtsp_st->control_url)); |
591 |
|
✗ |
av_strlcat(rtsp_st->control_url, p, |
592 |
|
|
sizeof(rtsp_st->control_url)); |
593 |
|
|
} else |
594 |
|
✗ |
av_strlcpy(rtsp_st->control_url, p, |
595 |
|
|
sizeof(rtsp_st->control_url)); |
596 |
|
|
} |
597 |
|
✗ |
} else if (av_strstart(p, "rtpmap:", &p) && s->nb_streams > 0) { |
598 |
|
|
/* NOTE: rtpmap is only supported AFTER the 'm=' tag */ |
599 |
|
✗ |
get_word(buf1, sizeof(buf1), &p); |
600 |
|
✗ |
payload_type = atoi(buf1); |
601 |
|
✗ |
rtsp_st = rt->rtsp_streams[rt->nb_rtsp_streams - 1]; |
602 |
|
✗ |
if (rtsp_st->stream_index >= 0) { |
603 |
|
✗ |
st = s->streams[rtsp_st->stream_index]; |
604 |
|
✗ |
sdp_parse_rtpmap(s, st, rtsp_st, payload_type, p); |
605 |
|
|
} |
606 |
|
✗ |
s1->seen_rtpmap = 1; |
607 |
|
✗ |
if (s1->seen_fmtp) { |
608 |
|
✗ |
parse_fmtp(s, rt, payload_type, s1->delayed_fmtp); |
609 |
|
|
} |
610 |
|
✗ |
} else if (av_strstart(p, "fmtp:", &p) || |
611 |
|
✗ |
av_strstart(p, "framesize:", &p)) { |
612 |
|
|
// let dynamic protocol handlers have a stab at the line. |
613 |
|
✗ |
get_word(buf1, sizeof(buf1), &p); |
614 |
|
✗ |
payload_type = atoi(buf1); |
615 |
|
✗ |
if (s1->seen_rtpmap) { |
616 |
|
✗ |
parse_fmtp(s, rt, payload_type, buf); |
617 |
|
|
} else { |
618 |
|
✗ |
s1->seen_fmtp = 1; |
619 |
|
✗ |
av_strlcpy(s1->delayed_fmtp, buf, sizeof(s1->delayed_fmtp)); |
620 |
|
|
} |
621 |
|
✗ |
} else if (av_strstart(p, "ssrc:", &p) && s->nb_streams > 0) { |
622 |
|
✗ |
rtsp_st = rt->rtsp_streams[rt->nb_rtsp_streams - 1]; |
623 |
|
✗ |
get_word(buf1, sizeof(buf1), &p); |
624 |
|
✗ |
rtsp_st->ssrc = strtoll(buf1, NULL, 10); |
625 |
|
✗ |
} else if (av_strstart(p, "range:", &p)) { |
626 |
|
|
int64_t start, end; |
627 |
|
|
|
628 |
|
|
// this is so that seeking on a streamed file can work. |
629 |
|
✗ |
rtsp_parse_range_npt(p, &start, &end); |
630 |
|
✗ |
s->start_time = start; |
631 |
|
|
/* AV_NOPTS_VALUE means live broadcast (and can't seek) */ |
632 |
|
✗ |
s->duration = (end == AV_NOPTS_VALUE) ? |
633 |
|
✗ |
AV_NOPTS_VALUE : end - start; |
634 |
|
✗ |
} else if (av_strstart(p, "lang:", &p)) { |
635 |
|
✗ |
if (s->nb_streams > 0) { |
636 |
|
✗ |
get_word(buf1, sizeof(buf1), &p); |
637 |
|
✗ |
rtsp_st = rt->rtsp_streams[rt->nb_rtsp_streams - 1]; |
638 |
|
✗ |
if (rtsp_st->stream_index >= 0) { |
639 |
|
✗ |
st = s->streams[rtsp_st->stream_index]; |
640 |
|
✗ |
av_dict_set(&st->metadata, "language", buf1, 0); |
641 |
|
|
} |
642 |
|
|
} else |
643 |
|
✗ |
get_word(rt->default_lang, sizeof(rt->default_lang), &p); |
644 |
|
✗ |
} else if (av_strstart(p, "IsRealDataType:integer;",&p)) { |
645 |
|
✗ |
if (atoi(p) == 1) |
646 |
|
✗ |
rt->transport = RTSP_TRANSPORT_RDT; |
647 |
|
✗ |
} else if (av_strstart(p, "SampleRate:integer;", &p) && |
648 |
|
✗ |
s->nb_streams > 0) { |
649 |
|
✗ |
st = s->streams[s->nb_streams - 1]; |
650 |
|
✗ |
st->codecpar->sample_rate = atoi(p); |
651 |
|
✗ |
} else if (av_strstart(p, "crypto:", &p) && s->nb_streams > 0) { |
652 |
|
|
// RFC 4568 |
653 |
|
✗ |
rtsp_st = rt->rtsp_streams[rt->nb_rtsp_streams - 1]; |
654 |
|
✗ |
get_word(buf1, sizeof(buf1), &p); // ignore tag |
655 |
|
✗ |
get_word(rtsp_st->crypto_suite, sizeof(rtsp_st->crypto_suite), &p); |
656 |
|
✗ |
p += strspn(p, SPACE_CHARS); |
657 |
|
✗ |
if (av_strstart(p, "inline:", &p)) |
658 |
|
✗ |
get_word(rtsp_st->crypto_params, sizeof(rtsp_st->crypto_params), &p); |
659 |
|
✗ |
} else if (av_strstart(p, "source-filter:", &p)) { |
660 |
|
✗ |
int exclude = 0; |
661 |
|
✗ |
get_word(buf1, sizeof(buf1), &p); |
662 |
|
✗ |
if (strcmp(buf1, "incl") && strcmp(buf1, "excl")) |
663 |
|
✗ |
return; |
664 |
|
✗ |
exclude = !strcmp(buf1, "excl"); |
665 |
|
|
|
666 |
|
✗ |
get_word(buf1, sizeof(buf1), &p); |
667 |
|
✗ |
if (strcmp(buf1, "IN") != 0) |
668 |
|
✗ |
return; |
669 |
|
✗ |
get_word(buf1, sizeof(buf1), &p); |
670 |
|
✗ |
if (strcmp(buf1, "IP4") && strcmp(buf1, "IP6") && strcmp(buf1, "*")) |
671 |
|
✗ |
return; |
672 |
|
|
// not checking that the destination address actually matches or is wildcard |
673 |
|
✗ |
get_word(buf1, sizeof(buf1), &p); |
674 |
|
|
|
675 |
|
✗ |
while (*p != '\0') { |
676 |
|
✗ |
rtsp_src = av_mallocz(sizeof(*rtsp_src)); |
677 |
|
✗ |
if (!rtsp_src) |
678 |
|
✗ |
return; |
679 |
|
✗ |
get_word(rtsp_src->addr, sizeof(rtsp_src->addr), &p); |
680 |
|
✗ |
if (exclude) { |
681 |
|
✗ |
if (s->nb_streams == 0) { |
682 |
|
✗ |
dynarray_add(&s1->default_exclude_source_addrs, &s1->nb_default_exclude_source_addrs, rtsp_src); |
683 |
|
|
} else { |
684 |
|
✗ |
rtsp_st = rt->rtsp_streams[rt->nb_rtsp_streams - 1]; |
685 |
|
✗ |
dynarray_add(&rtsp_st->exclude_source_addrs, &rtsp_st->nb_exclude_source_addrs, rtsp_src); |
686 |
|
|
} |
687 |
|
|
} else { |
688 |
|
✗ |
if (s->nb_streams == 0) { |
689 |
|
✗ |
dynarray_add(&s1->default_include_source_addrs, &s1->nb_default_include_source_addrs, rtsp_src); |
690 |
|
|
} else { |
691 |
|
✗ |
rtsp_st = rt->rtsp_streams[rt->nb_rtsp_streams - 1]; |
692 |
|
✗ |
dynarray_add(&rtsp_st->include_source_addrs, &rtsp_st->nb_include_source_addrs, rtsp_src); |
693 |
|
|
} |
694 |
|
|
} |
695 |
|
|
} |
696 |
|
|
} else { |
697 |
|
✗ |
if (rt->server_type == RTSP_SERVER_WMS) |
698 |
|
✗ |
ff_wms_parse_sdp_a_line(s, p); |
699 |
|
✗ |
if (s->nb_streams > 0) { |
700 |
|
✗ |
rtsp_st = rt->rtsp_streams[rt->nb_rtsp_streams - 1]; |
701 |
|
|
|
702 |
|
✗ |
if (rt->server_type == RTSP_SERVER_REAL) |
703 |
|
✗ |
ff_real_parse_sdp_a_line(s, rtsp_st->stream_index, p); |
704 |
|
|
|
705 |
|
✗ |
if (rtsp_st->dynamic_handler && |
706 |
|
✗ |
rtsp_st->dynamic_handler->parse_sdp_a_line) |
707 |
|
✗ |
rtsp_st->dynamic_handler->parse_sdp_a_line(s, |
708 |
|
|
rtsp_st->stream_index, |
709 |
|
|
rtsp_st->dynamic_protocol_context, buf); |
710 |
|
|
} |
711 |
|
|
} |
712 |
|
✗ |
break; |
713 |
|
|
} |
714 |
|
|
} |
715 |
|
|
|
716 |
|
✗ |
int ff_sdp_parse(AVFormatContext *s, const char *content) |
717 |
|
|
{ |
718 |
|
|
const char *p; |
719 |
|
|
int letter, i; |
720 |
|
|
char buf[SDP_MAX_SIZE], *q; |
721 |
|
✗ |
SDPParseState sdp_parse_state = { { 0 } }, *s1 = &sdp_parse_state; |
722 |
|
|
|
723 |
|
✗ |
p = content; |
724 |
|
|
for (;;) { |
725 |
|
✗ |
p += strspn(p, SPACE_CHARS); |
726 |
|
✗ |
letter = *p; |
727 |
|
✗ |
if (letter == '\0') |
728 |
|
✗ |
break; |
729 |
|
✗ |
p++; |
730 |
|
✗ |
if (*p != '=') |
731 |
|
✗ |
goto next_line; |
732 |
|
✗ |
p++; |
733 |
|
|
/* get the content */ |
734 |
|
✗ |
q = buf; |
735 |
|
✗ |
while (*p != '\n' && *p != '\r' && *p != '\0') { |
736 |
|
✗ |
if ((q - buf) < sizeof(buf) - 1) |
737 |
|
✗ |
*q++ = *p; |
738 |
|
✗ |
p++; |
739 |
|
|
} |
740 |
|
✗ |
*q = '\0'; |
741 |
|
✗ |
sdp_parse_line(s, s1, letter, buf); |
742 |
|
✗ |
next_line: |
743 |
|
✗ |
while (*p != '\n' && *p != '\0') |
744 |
|
✗ |
p++; |
745 |
|
✗ |
if (*p == '\n') |
746 |
|
✗ |
p++; |
747 |
|
|
} |
748 |
|
|
|
749 |
|
✗ |
for (i = 0; i < s1->nb_default_include_source_addrs; i++) |
750 |
|
✗ |
av_freep(&s1->default_include_source_addrs[i]); |
751 |
|
✗ |
av_freep(&s1->default_include_source_addrs); |
752 |
|
✗ |
for (i = 0; i < s1->nb_default_exclude_source_addrs; i++) |
753 |
|
✗ |
av_freep(&s1->default_exclude_source_addrs[i]); |
754 |
|
✗ |
av_freep(&s1->default_exclude_source_addrs); |
755 |
|
|
|
756 |
|
✗ |
return 0; |
757 |
|
|
} |
758 |
|
|
#endif /* CONFIG_RTPDEC */ |
759 |
|
|
|
760 |
|
✗ |
void ff_rtsp_undo_setup(AVFormatContext *s, int send_packets) |
761 |
|
|
{ |
762 |
|
✗ |
RTSPState *rt = s->priv_data; |
763 |
|
|
int i; |
764 |
|
|
|
765 |
|
✗ |
for (i = 0; i < rt->nb_rtsp_streams; i++) { |
766 |
|
✗ |
RTSPStream *rtsp_st = rt->rtsp_streams[i]; |
767 |
|
✗ |
if (!rtsp_st) |
768 |
|
✗ |
continue; |
769 |
|
✗ |
if (rtsp_st->transport_priv) { |
770 |
|
✗ |
if (s->oformat) { |
771 |
|
✗ |
AVFormatContext *rtpctx = rtsp_st->transport_priv; |
772 |
|
✗ |
av_write_trailer(rtpctx); |
773 |
|
✗ |
if (rt->lower_transport == RTSP_LOWER_TRANSPORT_TCP) { |
774 |
|
✗ |
if (CONFIG_RTSP_MUXER && rtpctx->pb && send_packets) |
775 |
|
✗ |
ff_rtsp_tcp_write_packet(s, rtsp_st); |
776 |
|
✗ |
ffio_free_dyn_buf(&rtpctx->pb); |
777 |
|
|
} else { |
778 |
|
✗ |
avio_closep(&rtpctx->pb); |
779 |
|
|
} |
780 |
|
✗ |
avformat_free_context(rtpctx); |
781 |
|
✗ |
} else if (CONFIG_RTPDEC && rt->transport == RTSP_TRANSPORT_RDT) |
782 |
|
✗ |
ff_rdt_parse_close(rtsp_st->transport_priv); |
783 |
|
✗ |
else if (CONFIG_RTPDEC && rt->transport == RTSP_TRANSPORT_RTP) |
784 |
|
✗ |
ff_rtp_parse_close(rtsp_st->transport_priv); |
785 |
|
|
} |
786 |
|
✗ |
rtsp_st->transport_priv = NULL; |
787 |
|
✗ |
ffurl_closep(&rtsp_st->rtp_handle); |
788 |
|
|
} |
789 |
|
✗ |
} |
790 |
|
|
|
791 |
|
|
/* close and free RTSP streams */ |
792 |
|
✗ |
void ff_rtsp_close_streams(AVFormatContext *s) |
793 |
|
|
{ |
794 |
|
✗ |
RTSPState *rt = s->priv_data; |
795 |
|
|
int i, j; |
796 |
|
|
RTSPStream *rtsp_st; |
797 |
|
|
|
798 |
|
✗ |
ff_rtsp_undo_setup(s, 0); |
799 |
|
✗ |
for (i = 0; i < rt->nb_rtsp_streams; i++) { |
800 |
|
✗ |
rtsp_st = rt->rtsp_streams[i]; |
801 |
|
✗ |
if (rtsp_st) { |
802 |
|
✗ |
if (rtsp_st->dynamic_handler && rtsp_st->dynamic_protocol_context) { |
803 |
|
✗ |
if (rtsp_st->dynamic_handler->close) |
804 |
|
✗ |
rtsp_st->dynamic_handler->close( |
805 |
|
✗ |
rtsp_st->dynamic_protocol_context); |
806 |
|
✗ |
av_free(rtsp_st->dynamic_protocol_context); |
807 |
|
|
} |
808 |
|
✗ |
for (j = 0; j < rtsp_st->nb_include_source_addrs; j++) |
809 |
|
✗ |
av_freep(&rtsp_st->include_source_addrs[j]); |
810 |
|
✗ |
av_freep(&rtsp_st->include_source_addrs); |
811 |
|
✗ |
for (j = 0; j < rtsp_st->nb_exclude_source_addrs; j++) |
812 |
|
✗ |
av_freep(&rtsp_st->exclude_source_addrs[j]); |
813 |
|
✗ |
av_freep(&rtsp_st->exclude_source_addrs); |
814 |
|
|
|
815 |
|
✗ |
av_freep(&rtsp_st); |
816 |
|
|
} |
817 |
|
|
} |
818 |
|
✗ |
av_freep(&rt->rtsp_streams); |
819 |
|
✗ |
if (rt->asf_ctx) { |
820 |
|
✗ |
avformat_close_input(&rt->asf_ctx); |
821 |
|
|
} |
822 |
|
✗ |
if (CONFIG_RTPDEC && rt->ts) |
823 |
|
✗ |
avpriv_mpegts_parse_close(rt->ts); |
824 |
|
✗ |
av_freep(&rt->p); |
825 |
|
✗ |
av_freep(&rt->recvbuf); |
826 |
|
✗ |
} |
827 |
|
|
|
828 |
|
✗ |
int ff_rtsp_open_transport_ctx(AVFormatContext *s, RTSPStream *rtsp_st) |
829 |
|
|
{ |
830 |
|
✗ |
RTSPState *rt = s->priv_data; |
831 |
|
✗ |
AVStream *st = NULL; |
832 |
|
✗ |
int reordering_queue_size = rt->reordering_queue_size; |
833 |
|
✗ |
if (reordering_queue_size < 0) { |
834 |
|
✗ |
if (rt->lower_transport == RTSP_LOWER_TRANSPORT_TCP || !s->max_delay) |
835 |
|
✗ |
reordering_queue_size = 0; |
836 |
|
|
else |
837 |
|
✗ |
reordering_queue_size = RTP_REORDER_QUEUE_DEFAULT_SIZE; |
838 |
|
|
} |
839 |
|
|
|
840 |
|
|
/* open the RTP context */ |
841 |
|
✗ |
if (rtsp_st->stream_index >= 0) |
842 |
|
✗ |
st = s->streams[rtsp_st->stream_index]; |
843 |
|
✗ |
if (!st) |
844 |
|
✗ |
s->ctx_flags |= AVFMTCTX_NOHEADER; |
845 |
|
|
|
846 |
|
✗ |
if (CONFIG_RTSP_MUXER && s->oformat && st) { |
847 |
|
✗ |
int ret = ff_rtp_chain_mux_open((AVFormatContext **)&rtsp_st->transport_priv, |
848 |
|
|
s, st, rtsp_st->rtp_handle, |
849 |
|
|
rt->pkt_size, |
850 |
|
|
rtsp_st->stream_index); |
851 |
|
|
/* Ownership of rtp_handle is passed to the rtp mux context */ |
852 |
|
✗ |
rtsp_st->rtp_handle = NULL; |
853 |
|
✗ |
if (ret < 0) |
854 |
|
✗ |
return ret; |
855 |
|
✗ |
st->time_base = ((AVFormatContext*)rtsp_st->transport_priv)->streams[0]->time_base; |
856 |
|
✗ |
} else if (rt->transport == RTSP_TRANSPORT_RAW) { |
857 |
|
✗ |
return 0; // Don't need to open any parser here |
858 |
|
✗ |
} else if (CONFIG_RTPDEC && rt->transport == RTSP_TRANSPORT_RDT && st) |
859 |
|
✗ |
rtsp_st->transport_priv = ff_rdt_parse_open(s, st->index, |
860 |
|
✗ |
rtsp_st->dynamic_protocol_context, |
861 |
|
|
rtsp_st->dynamic_handler); |
862 |
|
|
else if (CONFIG_RTPDEC) |
863 |
|
✗ |
rtsp_st->transport_priv = ff_rtp_parse_open(s, st, |
864 |
|
|
rtsp_st->sdp_payload_type, |
865 |
|
|
reordering_queue_size); |
866 |
|
|
|
867 |
|
✗ |
if (!rtsp_st->transport_priv) { |
868 |
|
✗ |
return AVERROR(ENOMEM); |
869 |
|
✗ |
} else if (CONFIG_RTPDEC && rt->transport == RTSP_TRANSPORT_RTP && |
870 |
|
✗ |
s->iformat) { |
871 |
|
✗ |
RTPDemuxContext *rtpctx = rtsp_st->transport_priv; |
872 |
|
✗ |
rtpctx->ssrc = rtsp_st->ssrc; |
873 |
|
✗ |
if (rtsp_st->dynamic_handler) { |
874 |
|
✗ |
ff_rtp_parse_set_dynamic_protocol(rtsp_st->transport_priv, |
875 |
|
|
rtsp_st->dynamic_protocol_context, |
876 |
|
|
rtsp_st->dynamic_handler); |
877 |
|
|
} |
878 |
|
✗ |
if (rtsp_st->crypto_suite[0]) |
879 |
|
✗ |
ff_rtp_parse_set_crypto(rtsp_st->transport_priv, |
880 |
|
✗ |
rtsp_st->crypto_suite, |
881 |
|
✗ |
rtsp_st->crypto_params); |
882 |
|
|
} |
883 |
|
|
|
884 |
|
✗ |
return 0; |
885 |
|
|
} |
886 |
|
|
|
887 |
|
|
#if CONFIG_RTSP_DEMUXER || CONFIG_RTSP_MUXER |
888 |
|
✗ |
static void rtsp_parse_range(int *min_ptr, int *max_ptr, const char **pp) |
889 |
|
|
{ |
890 |
|
|
const char *q; |
891 |
|
|
char *p; |
892 |
|
|
int v; |
893 |
|
|
|
894 |
|
✗ |
q = *pp; |
895 |
|
✗ |
q += strspn(q, SPACE_CHARS); |
896 |
|
✗ |
v = strtol(q, &p, 10); |
897 |
|
✗ |
if (*p == '-') { |
898 |
|
✗ |
p++; |
899 |
|
✗ |
*min_ptr = v; |
900 |
|
✗ |
v = strtol(p, &p, 10); |
901 |
|
✗ |
*max_ptr = v; |
902 |
|
|
} else { |
903 |
|
✗ |
*min_ptr = v; |
904 |
|
✗ |
*max_ptr = v; |
905 |
|
|
} |
906 |
|
✗ |
*pp = p; |
907 |
|
✗ |
} |
908 |
|
|
|
909 |
|
|
/* XXX: only one transport specification is parsed */ |
910 |
|
✗ |
static void rtsp_parse_transport(AVFormatContext *s, |
911 |
|
|
RTSPMessageHeader *reply, const char *p) |
912 |
|
|
{ |
913 |
|
|
char transport_protocol[16]; |
914 |
|
|
char profile[16]; |
915 |
|
|
char lower_transport[16]; |
916 |
|
|
char parameter[16]; |
917 |
|
|
RTSPTransportField *th; |
918 |
|
|
char buf[256]; |
919 |
|
|
|
920 |
|
✗ |
reply->nb_transports = 0; |
921 |
|
|
|
922 |
|
|
for (;;) { |
923 |
|
✗ |
p += strspn(p, SPACE_CHARS); |
924 |
|
✗ |
if (*p == '\0') |
925 |
|
✗ |
break; |
926 |
|
|
|
927 |
|
✗ |
th = &reply->transports[reply->nb_transports]; |
928 |
|
|
|
929 |
|
✗ |
get_word_sep(transport_protocol, sizeof(transport_protocol), |
930 |
|
|
"/", &p); |
931 |
|
✗ |
if (!av_strcasecmp (transport_protocol, "rtp")) { |
932 |
|
✗ |
get_word_sep(profile, sizeof(profile), "/;,", &p); |
933 |
|
✗ |
lower_transport[0] = '\0'; |
934 |
|
|
/* rtp/avp/<protocol> */ |
935 |
|
✗ |
if (*p == '/') { |
936 |
|
✗ |
get_word_sep(lower_transport, sizeof(lower_transport), |
937 |
|
|
";,", &p); |
938 |
|
|
} |
939 |
|
✗ |
th->transport = RTSP_TRANSPORT_RTP; |
940 |
|
✗ |
} else if (!av_strcasecmp (transport_protocol, "x-pn-tng") || |
941 |
|
✗ |
!av_strcasecmp (transport_protocol, "x-real-rdt")) { |
942 |
|
|
/* x-pn-tng/<protocol> */ |
943 |
|
✗ |
get_word_sep(lower_transport, sizeof(lower_transport), "/;,", &p); |
944 |
|
✗ |
profile[0] = '\0'; |
945 |
|
✗ |
th->transport = RTSP_TRANSPORT_RDT; |
946 |
|
✗ |
} else if (!av_strcasecmp(transport_protocol, "raw")) { |
947 |
|
✗ |
get_word_sep(profile, sizeof(profile), "/;,", &p); |
948 |
|
✗ |
lower_transport[0] = '\0'; |
949 |
|
|
/* raw/raw/<protocol> */ |
950 |
|
✗ |
if (*p == '/') { |
951 |
|
✗ |
get_word_sep(lower_transport, sizeof(lower_transport), |
952 |
|
|
";,", &p); |
953 |
|
|
} |
954 |
|
✗ |
th->transport = RTSP_TRANSPORT_RAW; |
955 |
|
|
} else { |
956 |
|
✗ |
break; |
957 |
|
|
} |
958 |
|
✗ |
if (!av_strcasecmp(lower_transport, "TCP")) |
959 |
|
✗ |
th->lower_transport = RTSP_LOWER_TRANSPORT_TCP; |
960 |
|
|
else |
961 |
|
✗ |
th->lower_transport = RTSP_LOWER_TRANSPORT_UDP; |
962 |
|
|
|
963 |
|
✗ |
if (*p == ';') |
964 |
|
✗ |
p++; |
965 |
|
|
/* get each parameter */ |
966 |
|
✗ |
while (*p != '\0' && *p != ',') { |
967 |
|
✗ |
get_word_sep(parameter, sizeof(parameter), "=;,", &p); |
968 |
|
✗ |
if (!strcmp(parameter, "port")) { |
969 |
|
✗ |
if (*p == '=') { |
970 |
|
✗ |
p++; |
971 |
|
✗ |
rtsp_parse_range(&th->port_min, &th->port_max, &p); |
972 |
|
|
} |
973 |
|
✗ |
} else if (!strcmp(parameter, "client_port")) { |
974 |
|
✗ |
if (*p == '=') { |
975 |
|
✗ |
p++; |
976 |
|
✗ |
rtsp_parse_range(&th->client_port_min, |
977 |
|
|
&th->client_port_max, &p); |
978 |
|
|
} |
979 |
|
✗ |
} else if (!strcmp(parameter, "server_port")) { |
980 |
|
✗ |
if (*p == '=') { |
981 |
|
✗ |
p++; |
982 |
|
✗ |
rtsp_parse_range(&th->server_port_min, |
983 |
|
|
&th->server_port_max, &p); |
984 |
|
|
} |
985 |
|
✗ |
} else if (!strcmp(parameter, "interleaved")) { |
986 |
|
✗ |
if (*p == '=') { |
987 |
|
✗ |
p++; |
988 |
|
✗ |
rtsp_parse_range(&th->interleaved_min, |
989 |
|
|
&th->interleaved_max, &p); |
990 |
|
|
} |
991 |
|
✗ |
} else if (!strcmp(parameter, "multicast")) { |
992 |
|
✗ |
if (th->lower_transport == RTSP_LOWER_TRANSPORT_UDP) |
993 |
|
✗ |
th->lower_transport = RTSP_LOWER_TRANSPORT_UDP_MULTICAST; |
994 |
|
✗ |
} else if (!strcmp(parameter, "ttl")) { |
995 |
|
✗ |
if (*p == '=') { |
996 |
|
|
char *end; |
997 |
|
✗ |
p++; |
998 |
|
✗ |
th->ttl = strtol(p, &end, 10); |
999 |
|
✗ |
p = end; |
1000 |
|
|
} |
1001 |
|
✗ |
} else if (!strcmp(parameter, "destination")) { |
1002 |
|
✗ |
if (*p == '=') { |
1003 |
|
✗ |
p++; |
1004 |
|
✗ |
get_word_sep(buf, sizeof(buf), ";,", &p); |
1005 |
|
✗ |
get_sockaddr(s, buf, &th->destination); |
1006 |
|
|
} |
1007 |
|
✗ |
} else if (!strcmp(parameter, "source")) { |
1008 |
|
✗ |
if (*p == '=') { |
1009 |
|
✗ |
p++; |
1010 |
|
✗ |
get_word_sep(buf, sizeof(buf), ";,", &p); |
1011 |
|
✗ |
av_strlcpy(th->source, buf, sizeof(th->source)); |
1012 |
|
|
} |
1013 |
|
✗ |
} else if (!strcmp(parameter, "mode")) { |
1014 |
|
✗ |
if (*p == '=') { |
1015 |
|
✗ |
p++; |
1016 |
|
✗ |
get_word_sep(buf, sizeof(buf), ";, ", &p); |
1017 |
|
✗ |
if (!av_strcasecmp(buf, "record") || |
1018 |
|
✗ |
!av_strcasecmp(buf, "receive")) |
1019 |
|
✗ |
th->mode_record = 1; |
1020 |
|
|
} |
1021 |
|
|
} |
1022 |
|
|
|
1023 |
|
✗ |
while (*p != ';' && *p != '\0' && *p != ',') |
1024 |
|
✗ |
p++; |
1025 |
|
✗ |
if (*p == ';') |
1026 |
|
✗ |
p++; |
1027 |
|
|
} |
1028 |
|
✗ |
if (*p == ',') |
1029 |
|
✗ |
p++; |
1030 |
|
|
|
1031 |
|
✗ |
reply->nb_transports++; |
1032 |
|
✗ |
if (reply->nb_transports >= RTSP_MAX_TRANSPORTS) |
1033 |
|
✗ |
break; |
1034 |
|
|
} |
1035 |
|
✗ |
} |
1036 |
|
|
|
1037 |
|
✗ |
static void handle_rtp_info(RTSPState *rt, const char *url, |
1038 |
|
|
uint32_t seq, uint32_t rtptime) |
1039 |
|
|
{ |
1040 |
|
|
int i; |
1041 |
|
✗ |
if (!rtptime || !url[0]) |
1042 |
|
✗ |
return; |
1043 |
|
✗ |
if (rt->transport != RTSP_TRANSPORT_RTP) |
1044 |
|
✗ |
return; |
1045 |
|
✗ |
for (i = 0; i < rt->nb_rtsp_streams; i++) { |
1046 |
|
✗ |
RTSPStream *rtsp_st = rt->rtsp_streams[i]; |
1047 |
|
✗ |
RTPDemuxContext *rtpctx = rtsp_st->transport_priv; |
1048 |
|
✗ |
if (!rtpctx) |
1049 |
|
✗ |
continue; |
1050 |
|
✗ |
if (!strcmp(rtsp_st->control_url, url)) { |
1051 |
|
✗ |
rtpctx->base_timestamp = rtptime; |
1052 |
|
✗ |
break; |
1053 |
|
|
} |
1054 |
|
|
} |
1055 |
|
|
} |
1056 |
|
|
|
1057 |
|
✗ |
static void rtsp_parse_rtp_info(RTSPState *rt, const char *p) |
1058 |
|
|
{ |
1059 |
|
✗ |
int read = 0; |
1060 |
|
✗ |
char key[20], value[MAX_URL_SIZE], url[MAX_URL_SIZE] = ""; |
1061 |
|
✗ |
uint32_t seq = 0, rtptime = 0; |
1062 |
|
|
|
1063 |
|
|
for (;;) { |
1064 |
|
✗ |
p += strspn(p, SPACE_CHARS); |
1065 |
|
✗ |
if (!*p) |
1066 |
|
✗ |
break; |
1067 |
|
✗ |
get_word_sep(key, sizeof(key), "=", &p); |
1068 |
|
✗ |
if (*p != '=') |
1069 |
|
✗ |
break; |
1070 |
|
✗ |
p++; |
1071 |
|
✗ |
get_word_sep(value, sizeof(value), ";, ", &p); |
1072 |
|
✗ |
read++; |
1073 |
|
✗ |
if (!strcmp(key, "url")) |
1074 |
|
✗ |
av_strlcpy(url, value, sizeof(url)); |
1075 |
|
✗ |
else if (!strcmp(key, "seq")) |
1076 |
|
✗ |
seq = strtoul(value, NULL, 10); |
1077 |
|
✗ |
else if (!strcmp(key, "rtptime")) |
1078 |
|
✗ |
rtptime = strtoul(value, NULL, 10); |
1079 |
|
✗ |
if (*p == ',') { |
1080 |
|
✗ |
handle_rtp_info(rt, url, seq, rtptime); |
1081 |
|
✗ |
url[0] = '\0'; |
1082 |
|
✗ |
seq = rtptime = 0; |
1083 |
|
✗ |
read = 0; |
1084 |
|
|
} |
1085 |
|
✗ |
if (*p) |
1086 |
|
✗ |
p++; |
1087 |
|
|
} |
1088 |
|
✗ |
if (read > 0) |
1089 |
|
✗ |
handle_rtp_info(rt, url, seq, rtptime); |
1090 |
|
✗ |
} |
1091 |
|
|
|
1092 |
|
✗ |
void ff_rtsp_parse_line(AVFormatContext *s, |
1093 |
|
|
RTSPMessageHeader *reply, const char *buf, |
1094 |
|
|
RTSPState *rt, const char *method) |
1095 |
|
|
{ |
1096 |
|
|
const char *p; |
1097 |
|
|
|
1098 |
|
|
/* NOTE: we do case independent match for broken servers */ |
1099 |
|
✗ |
p = buf; |
1100 |
|
✗ |
if (av_stristart(p, "Session:", &p)) { |
1101 |
|
|
int t; |
1102 |
|
✗ |
get_word_sep(reply->session_id, sizeof(reply->session_id), ";", &p); |
1103 |
|
✗ |
if (av_stristart(p, ";timeout=", &p) && |
1104 |
|
✗ |
(t = strtol(p, NULL, 10)) > 0) { |
1105 |
|
✗ |
reply->timeout = t; |
1106 |
|
|
} |
1107 |
|
✗ |
} else if (av_stristart(p, "Content-Length:", &p)) { |
1108 |
|
✗ |
reply->content_length = strtol(p, NULL, 10); |
1109 |
|
✗ |
} else if (av_stristart(p, "Transport:", &p)) { |
1110 |
|
✗ |
rtsp_parse_transport(s, reply, p); |
1111 |
|
✗ |
} else if (av_stristart(p, "CSeq:", &p)) { |
1112 |
|
✗ |
reply->seq = strtol(p, NULL, 10); |
1113 |
|
✗ |
} else if (av_stristart(p, "Range:", &p)) { |
1114 |
|
✗ |
rtsp_parse_range_npt(p, &reply->range_start, &reply->range_end); |
1115 |
|
✗ |
} else if (av_stristart(p, "RealChallenge1:", &p)) { |
1116 |
|
✗ |
p += strspn(p, SPACE_CHARS); |
1117 |
|
✗ |
av_strlcpy(reply->real_challenge, p, sizeof(reply->real_challenge)); |
1118 |
|
✗ |
} else if (av_stristart(p, "Server:", &p)) { |
1119 |
|
✗ |
p += strspn(p, SPACE_CHARS); |
1120 |
|
✗ |
av_strlcpy(reply->server, p, sizeof(reply->server)); |
1121 |
|
✗ |
} else if (av_stristart(p, "Notice:", &p) || |
1122 |
|
✗ |
av_stristart(p, "X-Notice:", &p)) { |
1123 |
|
✗ |
reply->notice = strtol(p, NULL, 10); |
1124 |
|
✗ |
} else if (av_stristart(p, "Location:", &p)) { |
1125 |
|
✗ |
p += strspn(p, SPACE_CHARS); |
1126 |
|
✗ |
av_strlcpy(reply->location, p , sizeof(reply->location)); |
1127 |
|
✗ |
} else if (av_stristart(p, "WWW-Authenticate:", &p) && rt) { |
1128 |
|
✗ |
p += strspn(p, SPACE_CHARS); |
1129 |
|
✗ |
ff_http_auth_handle_header(&rt->auth_state, "WWW-Authenticate", p); |
1130 |
|
✗ |
} else if (av_stristart(p, "Authentication-Info:", &p) && rt) { |
1131 |
|
✗ |
p += strspn(p, SPACE_CHARS); |
1132 |
|
✗ |
ff_http_auth_handle_header(&rt->auth_state, "Authentication-Info", p); |
1133 |
|
✗ |
} else if (av_stristart(p, "Content-Base:", &p) && rt) { |
1134 |
|
✗ |
p += strspn(p, SPACE_CHARS); |
1135 |
|
✗ |
if (method && !strcmp(method, "DESCRIBE")) |
1136 |
|
✗ |
av_strlcpy(rt->control_uri, p , sizeof(rt->control_uri)); |
1137 |
|
✗ |
} else if (av_stristart(p, "RTP-Info:", &p) && rt) { |
1138 |
|
✗ |
p += strspn(p, SPACE_CHARS); |
1139 |
|
✗ |
if (method && !strcmp(method, "PLAY")) |
1140 |
|
✗ |
rtsp_parse_rtp_info(rt, p); |
1141 |
|
✗ |
} else if (av_stristart(p, "Public:", &p) && rt) { |
1142 |
|
✗ |
if (strstr(p, "GET_PARAMETER") && |
1143 |
|
✗ |
method && !strcmp(method, "OPTIONS")) |
1144 |
|
✗ |
rt->get_parameter_supported = 1; |
1145 |
|
✗ |
} else if (av_stristart(p, "x-Accept-Dynamic-Rate:", &p) && rt) { |
1146 |
|
✗ |
p += strspn(p, SPACE_CHARS); |
1147 |
|
✗ |
rt->accept_dynamic_rate = atoi(p); |
1148 |
|
✗ |
} else if (av_stristart(p, "Content-Type:", &p)) { |
1149 |
|
✗ |
p += strspn(p, SPACE_CHARS); |
1150 |
|
✗ |
av_strlcpy(reply->content_type, p, sizeof(reply->content_type)); |
1151 |
|
✗ |
} else if (av_stristart(p, "com.ses.streamID:", &p)) { |
1152 |
|
✗ |
p += strspn(p, SPACE_CHARS); |
1153 |
|
✗ |
av_strlcpy(reply->stream_id, p, sizeof(reply->stream_id)); |
1154 |
|
|
} |
1155 |
|
✗ |
} |
1156 |
|
|
|
1157 |
|
|
/* skip a RTP/TCP interleaved packet */ |
1158 |
|
✗ |
int ff_rtsp_skip_packet(AVFormatContext *s) |
1159 |
|
|
{ |
1160 |
|
✗ |
RTSPState *rt = s->priv_data; |
1161 |
|
|
int ret, len, len1; |
1162 |
|
|
uint8_t buf[MAX_URL_SIZE]; |
1163 |
|
|
|
1164 |
|
✗ |
ret = ffurl_read_complete(rt->rtsp_hd, buf, 3); |
1165 |
|
✗ |
if (ret != 3) |
1166 |
|
✗ |
return ret < 0 ? ret : AVERROR(EIO); |
1167 |
|
✗ |
len = AV_RB16(buf + 1); |
1168 |
|
|
|
1169 |
|
✗ |
av_log(s, AV_LOG_TRACE, "skipping RTP packet len=%d\n", len); |
1170 |
|
|
|
1171 |
|
|
/* skip payload */ |
1172 |
|
✗ |
while (len > 0) { |
1173 |
|
✗ |
len1 = len; |
1174 |
|
✗ |
if (len1 > sizeof(buf)) |
1175 |
|
✗ |
len1 = sizeof(buf); |
1176 |
|
✗ |
ret = ffurl_read_complete(rt->rtsp_hd, buf, len1); |
1177 |
|
✗ |
if (ret != len1) |
1178 |
|
✗ |
return ret < 0 ? ret : AVERROR(EIO); |
1179 |
|
✗ |
len -= len1; |
1180 |
|
|
} |
1181 |
|
|
|
1182 |
|
✗ |
return 0; |
1183 |
|
|
} |
1184 |
|
|
|
1185 |
|
✗ |
int ff_rtsp_read_reply(AVFormatContext *s, RTSPMessageHeader *reply, |
1186 |
|
|
unsigned char **content_ptr, |
1187 |
|
|
int return_on_interleaved_data, const char *method) |
1188 |
|
|
{ |
1189 |
|
✗ |
RTSPState *rt = s->priv_data; |
1190 |
|
|
char buf[MAX_URL_SIZE], buf1[MAX_URL_SIZE], *q; |
1191 |
|
|
unsigned char ch; |
1192 |
|
|
const char *p; |
1193 |
|
|
int ret, content_length, line_count, request; |
1194 |
|
|
unsigned char *content; |
1195 |
|
|
|
1196 |
|
✗ |
start: |
1197 |
|
✗ |
line_count = 0; |
1198 |
|
✗ |
request = 0; |
1199 |
|
✗ |
content = NULL; |
1200 |
|
✗ |
memset(reply, 0, sizeof(*reply)); |
1201 |
|
|
|
1202 |
|
|
/* parse reply (XXX: use buffers) */ |
1203 |
|
✗ |
rt->last_reply[0] = '\0'; |
1204 |
|
|
for (;;) { |
1205 |
|
✗ |
q = buf; |
1206 |
|
|
for (;;) { |
1207 |
|
✗ |
ret = ffurl_read_complete(rt->rtsp_hd, &ch, 1); |
1208 |
|
✗ |
av_log(s, AV_LOG_TRACE, "ret=%d c=%02x [%c]\n", ret, ch, ch); |
1209 |
|
✗ |
if (ret != 1) |
1210 |
|
✗ |
return ret < 0 ? ret : AVERROR(EIO); |
1211 |
|
✗ |
if (ch == '\n') |
1212 |
|
✗ |
break; |
1213 |
|
✗ |
if (ch == '$' && q == buf) { |
1214 |
|
✗ |
if (return_on_interleaved_data) { |
1215 |
|
✗ |
return 1; |
1216 |
|
|
} else { |
1217 |
|
✗ |
ret = ff_rtsp_skip_packet(s); |
1218 |
|
✗ |
if (ret < 0) |
1219 |
|
✗ |
return ret; |
1220 |
|
|
} |
1221 |
|
✗ |
} else if (ch != '\r') { |
1222 |
|
✗ |
if ((q - buf) < sizeof(buf) - 1) |
1223 |
|
✗ |
*q++ = ch; |
1224 |
|
|
} |
1225 |
|
|
} |
1226 |
|
✗ |
*q = '\0'; |
1227 |
|
|
|
1228 |
|
✗ |
av_log(s, AV_LOG_TRACE, "line='%s'\n", buf); |
1229 |
|
|
|
1230 |
|
|
/* test if last line */ |
1231 |
|
✗ |
if (buf[0] == '\0') |
1232 |
|
✗ |
break; |
1233 |
|
✗ |
p = buf; |
1234 |
|
✗ |
if (line_count == 0) { |
1235 |
|
|
/* get reply code */ |
1236 |
|
✗ |
get_word(buf1, sizeof(buf1), &p); |
1237 |
|
✗ |
if (!strncmp(buf1, "RTSP/", 5)) { |
1238 |
|
✗ |
get_word(buf1, sizeof(buf1), &p); |
1239 |
|
✗ |
reply->status_code = atoi(buf1); |
1240 |
|
✗ |
av_strlcpy(reply->reason, p, sizeof(reply->reason)); |
1241 |
|
|
} else { |
1242 |
|
✗ |
av_strlcpy(reply->reason, buf1, sizeof(reply->reason)); // method |
1243 |
|
✗ |
get_word(buf1, sizeof(buf1), &p); // object |
1244 |
|
✗ |
request = 1; |
1245 |
|
|
} |
1246 |
|
|
} else { |
1247 |
|
✗ |
ff_rtsp_parse_line(s, reply, p, rt, method); |
1248 |
|
✗ |
av_strlcat(rt->last_reply, p, sizeof(rt->last_reply)); |
1249 |
|
✗ |
av_strlcat(rt->last_reply, "\n", sizeof(rt->last_reply)); |
1250 |
|
|
} |
1251 |
|
✗ |
line_count++; |
1252 |
|
|
} |
1253 |
|
|
|
1254 |
|
✗ |
if (rt->session_id[0] == '\0' && reply->session_id[0] != '\0' && !request) |
1255 |
|
✗ |
av_strlcpy(rt->session_id, reply->session_id, sizeof(rt->session_id)); |
1256 |
|
|
|
1257 |
|
✗ |
content_length = reply->content_length; |
1258 |
|
✗ |
if (content_length > 0) { |
1259 |
|
|
/* leave some room for a trailing '\0' (useful for simple parsing) */ |
1260 |
|
✗ |
content = av_malloc(content_length + 1); |
1261 |
|
✗ |
if (!content) |
1262 |
|
✗ |
return AVERROR(ENOMEM); |
1263 |
|
✗ |
if ((ret = ffurl_read_complete(rt->rtsp_hd, content, content_length)) != content_length) { |
1264 |
|
✗ |
av_freep(&content); |
1265 |
|
✗ |
return ret < 0 ? ret : AVERROR(EIO); |
1266 |
|
|
} |
1267 |
|
✗ |
content[content_length] = '\0'; |
1268 |
|
|
} |
1269 |
|
✗ |
if (content_ptr) |
1270 |
|
✗ |
*content_ptr = content; |
1271 |
|
|
else |
1272 |
|
✗ |
av_freep(&content); |
1273 |
|
|
|
1274 |
|
✗ |
if (request) { |
1275 |
|
|
char buf[MAX_URL_SIZE]; |
1276 |
|
|
char base64buf[AV_BASE64_SIZE(sizeof(buf))]; |
1277 |
|
✗ |
const char* ptr = buf; |
1278 |
|
|
|
1279 |
|
✗ |
if (!strcmp(reply->reason, "OPTIONS") || |
1280 |
|
✗ |
!strcmp(reply->reason, "GET_PARAMETER")) { |
1281 |
|
✗ |
snprintf(buf, sizeof(buf), "RTSP/1.0 200 OK\r\n"); |
1282 |
|
✗ |
if (reply->seq) |
1283 |
|
✗ |
av_strlcatf(buf, sizeof(buf), "CSeq: %d\r\n", reply->seq); |
1284 |
|
✗ |
if (reply->session_id[0]) |
1285 |
|
✗ |
av_strlcatf(buf, sizeof(buf), "Session: %s\r\n", |
1286 |
|
✗ |
reply->session_id); |
1287 |
|
|
} else { |
1288 |
|
✗ |
snprintf(buf, sizeof(buf), "RTSP/1.0 501 Not Implemented\r\n"); |
1289 |
|
|
} |
1290 |
|
✗ |
av_strlcat(buf, "\r\n", sizeof(buf)); |
1291 |
|
|
|
1292 |
|
✗ |
if (rt->control_transport == RTSP_MODE_TUNNEL) { |
1293 |
|
✗ |
av_base64_encode(base64buf, sizeof(base64buf), buf, strlen(buf)); |
1294 |
|
✗ |
ptr = base64buf; |
1295 |
|
|
} |
1296 |
|
✗ |
ffurl_write(rt->rtsp_hd_out, ptr, strlen(ptr)); |
1297 |
|
|
|
1298 |
|
✗ |
rt->last_cmd_time = av_gettime_relative(); |
1299 |
|
|
/* Even if the request from the server had data, it is not the data |
1300 |
|
|
* that the caller wants or expects. The memory could also be leaked |
1301 |
|
|
* if the actual following reply has content data. */ |
1302 |
|
✗ |
if (content_ptr) |
1303 |
|
✗ |
av_freep(content_ptr); |
1304 |
|
|
/* If method is set, this is called from ff_rtsp_send_cmd, |
1305 |
|
|
* where a reply to exactly this request is awaited. For |
1306 |
|
|
* callers from within packet receiving, we just want to |
1307 |
|
|
* return to the caller and go back to receiving packets. */ |
1308 |
|
✗ |
if (method) |
1309 |
|
✗ |
goto start; |
1310 |
|
✗ |
return 0; |
1311 |
|
|
} |
1312 |
|
|
|
1313 |
|
✗ |
if (rt->seq != reply->seq) { |
1314 |
|
✗ |
av_log(s, AV_LOG_WARNING, "CSeq %d expected, %d received.\n", |
1315 |
|
|
rt->seq, reply->seq); |
1316 |
|
|
} |
1317 |
|
|
|
1318 |
|
|
/* EOS */ |
1319 |
|
✗ |
if (reply->notice == 2101 /* End-of-Stream Reached */ || |
1320 |
|
✗ |
reply->notice == 2104 /* Start-of-Stream Reached */ || |
1321 |
|
✗ |
reply->notice == 2306 /* Continuous Feed Terminated */) { |
1322 |
|
✗ |
rt->state = RTSP_STATE_IDLE; |
1323 |
|
✗ |
} else if (reply->notice >= 4400 && reply->notice < 5500) { |
1324 |
|
✗ |
return AVERROR(EIO); /* data or server error */ |
1325 |
|
✗ |
} else if (reply->notice == 2401 /* Ticket Expired */ || |
1326 |
|
✗ |
(reply->notice >= 5500 && reply->notice < 5600) /* end of term */ ) |
1327 |
|
✗ |
return AVERROR(EPERM); |
1328 |
|
|
|
1329 |
|
✗ |
return 0; |
1330 |
|
|
} |
1331 |
|
|
|
1332 |
|
|
/** |
1333 |
|
|
* Send a command to the RTSP server without waiting for the reply. |
1334 |
|
|
* |
1335 |
|
|
* @param s RTSP (de)muxer context |
1336 |
|
|
* @param method the method for the request |
1337 |
|
|
* @param url the target url for the request |
1338 |
|
|
* @param headers extra header lines to include in the request |
1339 |
|
|
* @param send_content if non-null, the data to send as request body content |
1340 |
|
|
* @param send_content_length the length of the send_content data, or 0 if |
1341 |
|
|
* send_content is null |
1342 |
|
|
* |
1343 |
|
|
* @return zero if success, nonzero otherwise |
1344 |
|
|
*/ |
1345 |
|
✗ |
static int rtsp_send_cmd_with_content_async(AVFormatContext *s, |
1346 |
|
|
const char *method, const char *url, |
1347 |
|
|
const char *headers, |
1348 |
|
|
const unsigned char *send_content, |
1349 |
|
|
int send_content_length) |
1350 |
|
|
{ |
1351 |
|
✗ |
RTSPState *rt = s->priv_data; |
1352 |
|
|
char buf[MAX_URL_SIZE], *out_buf; |
1353 |
|
|
char base64buf[AV_BASE64_SIZE(sizeof(buf))]; |
1354 |
|
|
|
1355 |
|
✗ |
if (!rt->rtsp_hd_out) |
1356 |
|
✗ |
return AVERROR(ENOTCONN); |
1357 |
|
|
|
1358 |
|
|
/* Add in RTSP headers */ |
1359 |
|
✗ |
out_buf = buf; |
1360 |
|
✗ |
rt->seq++; |
1361 |
|
✗ |
snprintf(buf, sizeof(buf), "%s %s RTSP/1.0\r\n", method, url); |
1362 |
|
✗ |
if (headers) |
1363 |
|
✗ |
av_strlcat(buf, headers, sizeof(buf)); |
1364 |
|
✗ |
av_strlcatf(buf, sizeof(buf), "CSeq: %d\r\n", rt->seq); |
1365 |
|
✗ |
av_strlcatf(buf, sizeof(buf), "User-Agent: %s\r\n", rt->user_agent); |
1366 |
|
✗ |
if (rt->session_id[0] != '\0' && (!headers || |
1367 |
|
✗ |
!strstr(headers, "\nIf-Match:"))) { |
1368 |
|
✗ |
av_strlcatf(buf, sizeof(buf), "Session: %s\r\n", rt->session_id); |
1369 |
|
|
} |
1370 |
|
✗ |
if (rt->auth[0]) { |
1371 |
|
✗ |
char *str = ff_http_auth_create_response(&rt->auth_state, |
1372 |
|
✗ |
rt->auth, url, method); |
1373 |
|
✗ |
if (str) |
1374 |
|
✗ |
av_strlcat(buf, str, sizeof(buf)); |
1375 |
|
✗ |
av_free(str); |
1376 |
|
|
} |
1377 |
|
✗ |
if (send_content_length > 0 && send_content) |
1378 |
|
✗ |
av_strlcatf(buf, sizeof(buf), "Content-Length: %d\r\n", send_content_length); |
1379 |
|
✗ |
av_strlcat(buf, "\r\n", sizeof(buf)); |
1380 |
|
|
|
1381 |
|
|
/* base64 encode rtsp if tunneling */ |
1382 |
|
✗ |
if (rt->control_transport == RTSP_MODE_TUNNEL) { |
1383 |
|
✗ |
av_base64_encode(base64buf, sizeof(base64buf), buf, strlen(buf)); |
1384 |
|
✗ |
out_buf = base64buf; |
1385 |
|
|
} |
1386 |
|
|
|
1387 |
|
✗ |
av_log(s, AV_LOG_TRACE, "Sending:\n%s--\n", buf); |
1388 |
|
|
|
1389 |
|
✗ |
ffurl_write(rt->rtsp_hd_out, out_buf, strlen(out_buf)); |
1390 |
|
✗ |
if (send_content_length > 0 && send_content) { |
1391 |
|
✗ |
if (rt->control_transport == RTSP_MODE_TUNNEL) { |
1392 |
|
✗ |
avpriv_report_missing_feature(s, "Tunneling of RTSP requests with content data"); |
1393 |
|
✗ |
return AVERROR_PATCHWELCOME; |
1394 |
|
|
} |
1395 |
|
✗ |
ffurl_write(rt->rtsp_hd_out, send_content, send_content_length); |
1396 |
|
|
} |
1397 |
|
✗ |
rt->last_cmd_time = av_gettime_relative(); |
1398 |
|
|
|
1399 |
|
✗ |
return 0; |
1400 |
|
|
} |
1401 |
|
|
|
1402 |
|
✗ |
int ff_rtsp_send_cmd_async(AVFormatContext *s, const char *method, |
1403 |
|
|
const char *url, const char *headers) |
1404 |
|
|
{ |
1405 |
|
✗ |
return rtsp_send_cmd_with_content_async(s, method, url, headers, NULL, 0); |
1406 |
|
|
} |
1407 |
|
|
|
1408 |
|
✗ |
int ff_rtsp_send_cmd(AVFormatContext *s, const char *method, const char *url, |
1409 |
|
|
const char *headers, RTSPMessageHeader *reply, |
1410 |
|
|
unsigned char **content_ptr) |
1411 |
|
|
{ |
1412 |
|
✗ |
return ff_rtsp_send_cmd_with_content(s, method, url, headers, reply, |
1413 |
|
|
content_ptr, NULL, 0); |
1414 |
|
|
} |
1415 |
|
|
|
1416 |
|
✗ |
int ff_rtsp_send_cmd_with_content(AVFormatContext *s, |
1417 |
|
|
const char *method, const char *url, |
1418 |
|
|
const char *header, |
1419 |
|
|
RTSPMessageHeader *reply, |
1420 |
|
|
unsigned char **content_ptr, |
1421 |
|
|
const unsigned char *send_content, |
1422 |
|
|
int send_content_length) |
1423 |
|
|
{ |
1424 |
|
✗ |
RTSPState *rt = s->priv_data; |
1425 |
|
|
HTTPAuthType cur_auth_type; |
1426 |
|
✗ |
int ret, attempts = 0; |
1427 |
|
|
|
1428 |
|
✗ |
retry: |
1429 |
|
✗ |
cur_auth_type = rt->auth_state.auth_type; |
1430 |
|
✗ |
if ((ret = rtsp_send_cmd_with_content_async(s, method, url, header, |
1431 |
|
|
send_content, |
1432 |
|
|
send_content_length)) < 0) |
1433 |
|
✗ |
return ret; |
1434 |
|
|
|
1435 |
|
✗ |
if ((ret = ff_rtsp_read_reply(s, reply, content_ptr, 0, method) ) < 0) |
1436 |
|
✗ |
return ret; |
1437 |
|
✗ |
attempts++; |
1438 |
|
|
|
1439 |
|
✗ |
if (reply->status_code == 401 && |
1440 |
|
✗ |
(cur_auth_type == HTTP_AUTH_NONE || rt->auth_state.stale) && |
1441 |
|
✗ |
rt->auth_state.auth_type != HTTP_AUTH_NONE && attempts < 2) |
1442 |
|
✗ |
goto retry; |
1443 |
|
|
|
1444 |
|
✗ |
if (reply->status_code > 400){ |
1445 |
|
✗ |
av_log(s, AV_LOG_ERROR, "method %s failed: %d%s\n", |
1446 |
|
|
method, |
1447 |
|
✗ |
reply->status_code, |
1448 |
|
✗ |
reply->reason); |
1449 |
|
✗ |
av_log(s, AV_LOG_DEBUG, "%s\n", rt->last_reply); |
1450 |
|
|
} |
1451 |
|
|
|
1452 |
|
✗ |
return 0; |
1453 |
|
|
} |
1454 |
|
|
|
1455 |
|
✗ |
int ff_rtsp_make_setup_request(AVFormatContext *s, const char *host, int port, |
1456 |
|
|
int lower_transport, const char *real_challenge) |
1457 |
|
|
{ |
1458 |
|
✗ |
RTSPState *rt = s->priv_data; |
1459 |
|
✗ |
int rtx = 0, j, i, err, interleave = 0, port_off = 0; |
1460 |
|
|
RTSPStream *rtsp_st; |
1461 |
|
✗ |
RTSPMessageHeader reply1, *reply = &reply1; |
1462 |
|
|
char cmd[MAX_URL_SIZE]; |
1463 |
|
|
const char *trans_pref; |
1464 |
|
|
|
1465 |
|
✗ |
memset(&reply1, 0, sizeof(reply1)); |
1466 |
|
|
|
1467 |
|
✗ |
if (rt->transport == RTSP_TRANSPORT_RDT) |
1468 |
|
✗ |
trans_pref = "x-pn-tng"; |
1469 |
|
✗ |
else if (rt->transport == RTSP_TRANSPORT_RAW) |
1470 |
|
✗ |
trans_pref = "RAW/RAW"; |
1471 |
|
|
else |
1472 |
|
✗ |
trans_pref = "RTP/AVP"; |
1473 |
|
|
|
1474 |
|
|
/* default timeout: 1 minute */ |
1475 |
|
✗ |
rt->timeout = 60; |
1476 |
|
|
|
1477 |
|
|
/* Choose a random starting offset within the first half of the |
1478 |
|
|
* port range, to allow for a number of ports to try even if the offset |
1479 |
|
|
* happens to be at the end of the random range. */ |
1480 |
|
✗ |
if (rt->rtp_port_max - rt->rtp_port_min >= 4) { |
1481 |
|
✗ |
port_off = av_get_random_seed() % ((rt->rtp_port_max - rt->rtp_port_min)/2); |
1482 |
|
|
/* even random offset */ |
1483 |
|
✗ |
port_off -= port_off & 0x01; |
1484 |
|
|
} |
1485 |
|
|
|
1486 |
|
✗ |
for (j = rt->rtp_port_min + port_off, i = 0; i < rt->nb_rtsp_streams; ++i) { |
1487 |
|
|
char transport[MAX_URL_SIZE]; |
1488 |
|
|
|
1489 |
|
|
/* |
1490 |
|
|
* WMS serves all UDP data over a single connection, the RTX, which |
1491 |
|
|
* isn't necessarily the first in the SDP but has to be the first |
1492 |
|
|
* to be set up, else the second/third SETUP will fail with a 461. |
1493 |
|
|
*/ |
1494 |
|
✗ |
if (lower_transport == RTSP_LOWER_TRANSPORT_UDP && |
1495 |
|
✗ |
rt->server_type == RTSP_SERVER_WMS) { |
1496 |
|
✗ |
if (i == 0) { |
1497 |
|
|
/* rtx first */ |
1498 |
|
✗ |
for (rtx = 0; rtx < rt->nb_rtsp_streams; rtx++) { |
1499 |
|
✗ |
int len = strlen(rt->rtsp_streams[rtx]->control_url); |
1500 |
|
✗ |
if (len >= 4 && |
1501 |
|
✗ |
!strcmp(rt->rtsp_streams[rtx]->control_url + len - 4, |
1502 |
|
|
"/rtx")) |
1503 |
|
✗ |
break; |
1504 |
|
|
} |
1505 |
|
✗ |
if (rtx == rt->nb_rtsp_streams) |
1506 |
|
✗ |
return -1; /* no RTX found */ |
1507 |
|
✗ |
rtsp_st = rt->rtsp_streams[rtx]; |
1508 |
|
|
} else |
1509 |
|
✗ |
rtsp_st = rt->rtsp_streams[i > rtx ? i : i - 1]; |
1510 |
|
|
} else |
1511 |
|
✗ |
rtsp_st = rt->rtsp_streams[i]; |
1512 |
|
|
|
1513 |
|
|
/* RTP/UDP */ |
1514 |
|
✗ |
if (lower_transport == RTSP_LOWER_TRANSPORT_UDP) { |
1515 |
|
|
char buf[256]; |
1516 |
|
|
|
1517 |
|
✗ |
if (rt->server_type == RTSP_SERVER_WMS && i > 1) { |
1518 |
|
✗ |
port = reply->transports[0].client_port_min; |
1519 |
|
✗ |
goto have_port; |
1520 |
|
|
} |
1521 |
|
|
|
1522 |
|
|
/* first try in specified port range */ |
1523 |
|
✗ |
while (j + 1 <= rt->rtp_port_max) { |
1524 |
|
✗ |
AVDictionary *opts = map_to_opts(rt); |
1525 |
|
|
|
1526 |
|
✗ |
ff_url_join(buf, sizeof(buf), "rtp", NULL, host, -1, |
1527 |
|
|
"?localport=%d", j); |
1528 |
|
|
/* we will use two ports per rtp stream (rtp and rtcp) */ |
1529 |
|
✗ |
j += 2; |
1530 |
|
✗ |
err = ffurl_open_whitelist(&rtsp_st->rtp_handle, buf, AVIO_FLAG_READ_WRITE, |
1531 |
|
✗ |
&s->interrupt_callback, &opts, s->protocol_whitelist, s->protocol_blacklist, NULL); |
1532 |
|
|
|
1533 |
|
✗ |
av_dict_free(&opts); |
1534 |
|
|
|
1535 |
|
✗ |
if (!err) |
1536 |
|
✗ |
goto rtp_opened; |
1537 |
|
|
} |
1538 |
|
✗ |
av_log(s, AV_LOG_ERROR, "Unable to open an input RTP port\n"); |
1539 |
|
✗ |
err = AVERROR(EIO); |
1540 |
|
✗ |
goto fail; |
1541 |
|
|
|
1542 |
|
✗ |
rtp_opened: |
1543 |
|
✗ |
port = ff_rtp_get_local_rtp_port(rtsp_st->rtp_handle); |
1544 |
|
✗ |
have_port: |
1545 |
|
✗ |
av_strlcpy(transport, trans_pref, sizeof(transport)); |
1546 |
|
✗ |
av_strlcat(transport, |
1547 |
|
✗ |
rt->server_type == RTSP_SERVER_SATIP ? ";" : "/UDP;", |
1548 |
|
|
sizeof(transport)); |
1549 |
|
✗ |
if (rt->server_type != RTSP_SERVER_REAL) |
1550 |
|
✗ |
av_strlcat(transport, "unicast;", sizeof(transport)); |
1551 |
|
✗ |
av_strlcatf(transport, sizeof(transport), |
1552 |
|
|
"client_port=%d", port); |
1553 |
|
✗ |
if (rt->transport == RTSP_TRANSPORT_RTP && |
1554 |
|
✗ |
!(rt->server_type == RTSP_SERVER_WMS && i > 0)) |
1555 |
|
✗ |
av_strlcatf(transport, sizeof(transport), "-%d", port + 1); |
1556 |
|
|
} |
1557 |
|
|
|
1558 |
|
|
/* RTP/TCP */ |
1559 |
|
✗ |
else if (lower_transport == RTSP_LOWER_TRANSPORT_TCP) { |
1560 |
|
|
/* For WMS streams, the application streams are only used for |
1561 |
|
|
* UDP. When trying to set it up for TCP streams, the server |
1562 |
|
|
* will return an error. Therefore, we skip those streams. */ |
1563 |
|
✗ |
if (rt->server_type == RTSP_SERVER_WMS && |
1564 |
|
✗ |
(rtsp_st->stream_index < 0 || |
1565 |
|
✗ |
s->streams[rtsp_st->stream_index]->codecpar->codec_type == |
1566 |
|
|
AVMEDIA_TYPE_DATA)) |
1567 |
|
✗ |
continue; |
1568 |
|
✗ |
snprintf(transport, sizeof(transport) - 1, |
1569 |
|
|
"%s/TCP;", trans_pref); |
1570 |
|
✗ |
if (rt->transport != RTSP_TRANSPORT_RDT) |
1571 |
|
✗ |
av_strlcat(transport, "unicast;", sizeof(transport)); |
1572 |
|
✗ |
av_strlcatf(transport, sizeof(transport), |
1573 |
|
|
"interleaved=%d-%d", |
1574 |
|
|
interleave, interleave + 1); |
1575 |
|
✗ |
interleave += 2; |
1576 |
|
|
} |
1577 |
|
|
|
1578 |
|
✗ |
else if (lower_transport == RTSP_LOWER_TRANSPORT_UDP_MULTICAST) { |
1579 |
|
✗ |
snprintf(transport, sizeof(transport) - 1, |
1580 |
|
|
"%s/UDP;multicast", trans_pref); |
1581 |
|
|
} else { |
1582 |
|
✗ |
err = AVERROR(EINVAL); |
1583 |
|
✗ |
goto fail; // transport would be uninitialized |
1584 |
|
|
} |
1585 |
|
|
|
1586 |
|
✗ |
if (s->oformat) { |
1587 |
|
✗ |
av_strlcat(transport, ";mode=record", sizeof(transport)); |
1588 |
|
✗ |
} else if (rt->server_type == RTSP_SERVER_REAL || |
1589 |
|
✗ |
rt->server_type == RTSP_SERVER_WMS) |
1590 |
|
✗ |
av_strlcat(transport, ";mode=play", sizeof(transport)); |
1591 |
|
✗ |
snprintf(cmd, sizeof(cmd), |
1592 |
|
|
"Transport: %s\r\n", |
1593 |
|
|
transport); |
1594 |
|
✗ |
if (rt->accept_dynamic_rate) |
1595 |
|
✗ |
av_strlcat(cmd, "x-Dynamic-Rate: 0\r\n", sizeof(cmd)); |
1596 |
|
✗ |
if (CONFIG_RTPDEC && i == 0 && rt->server_type == RTSP_SERVER_REAL) { |
1597 |
|
|
char real_res[41], real_csum[9]; |
1598 |
|
✗ |
ff_rdt_calc_response_and_checksum(real_res, real_csum, |
1599 |
|
|
real_challenge); |
1600 |
|
✗ |
av_strlcatf(cmd, sizeof(cmd), |
1601 |
|
|
"If-Match: %s\r\n" |
1602 |
|
|
"RealChallenge2: %s, sd=%s\r\n", |
1603 |
|
✗ |
rt->session_id, real_res, real_csum); |
1604 |
|
|
} |
1605 |
|
✗ |
ff_rtsp_send_cmd(s, "SETUP", rtsp_st->control_url, cmd, reply, NULL); |
1606 |
|
✗ |
if (reply->status_code == 461 /* Unsupported protocol */ && i == 0) { |
1607 |
|
✗ |
err = 1; |
1608 |
|
✗ |
goto fail; |
1609 |
|
✗ |
} else if (reply->status_code != RTSP_STATUS_OK || |
1610 |
|
✗ |
reply->nb_transports != 1) { |
1611 |
|
✗ |
err = ff_rtsp_averror(reply->status_code, AVERROR_INVALIDDATA); |
1612 |
|
✗ |
goto fail; |
1613 |
|
|
} |
1614 |
|
|
|
1615 |
|
✗ |
if (rt->server_type == RTSP_SERVER_SATIP && reply->stream_id[0]) { |
1616 |
|
|
char proto[128], host[128], path[512], auth[128]; |
1617 |
|
|
int port; |
1618 |
|
✗ |
av_url_split(proto, sizeof(proto), auth, sizeof(auth), host, sizeof(host), |
1619 |
|
✗ |
&port, path, sizeof(path), rt->control_uri); |
1620 |
|
✗ |
ff_url_join(rt->control_uri, sizeof(rt->control_uri), proto, NULL, host, |
1621 |
|
✗ |
port, "/stream=%s", reply->stream_id); |
1622 |
|
|
} |
1623 |
|
|
|
1624 |
|
|
/* XXX: same protocol for all streams is required */ |
1625 |
|
✗ |
if (i > 0) { |
1626 |
|
✗ |
if (reply->transports[0].lower_transport != rt->lower_transport || |
1627 |
|
✗ |
reply->transports[0].transport != rt->transport) { |
1628 |
|
✗ |
err = AVERROR_INVALIDDATA; |
1629 |
|
✗ |
goto fail; |
1630 |
|
|
} |
1631 |
|
|
} else { |
1632 |
|
✗ |
rt->lower_transport = reply->transports[0].lower_transport; |
1633 |
|
✗ |
rt->transport = reply->transports[0].transport; |
1634 |
|
|
} |
1635 |
|
|
|
1636 |
|
|
/* Fail if the server responded with another lower transport mode |
1637 |
|
|
* than what we requested. */ |
1638 |
|
✗ |
if (reply->transports[0].lower_transport != lower_transport) { |
1639 |
|
✗ |
av_log(s, AV_LOG_ERROR, "Nonmatching transport in server reply\n"); |
1640 |
|
✗ |
err = AVERROR_INVALIDDATA; |
1641 |
|
✗ |
goto fail; |
1642 |
|
|
} |
1643 |
|
|
|
1644 |
|
✗ |
switch(reply->transports[0].lower_transport) { |
1645 |
|
✗ |
case RTSP_LOWER_TRANSPORT_TCP: |
1646 |
|
✗ |
rtsp_st->interleaved_min = reply->transports[0].interleaved_min; |
1647 |
|
✗ |
rtsp_st->interleaved_max = reply->transports[0].interleaved_max; |
1648 |
|
✗ |
break; |
1649 |
|
|
|
1650 |
|
✗ |
case RTSP_LOWER_TRANSPORT_UDP: { |
1651 |
|
✗ |
char url[MAX_URL_SIZE], options[30] = ""; |
1652 |
|
✗ |
const char *peer = host; |
1653 |
|
|
|
1654 |
|
✗ |
if (rt->rtsp_flags & RTSP_FLAG_FILTER_SRC) |
1655 |
|
✗ |
av_strlcpy(options, "?connect=1", sizeof(options)); |
1656 |
|
|
/* Use source address if specified */ |
1657 |
|
✗ |
if (reply->transports[0].source[0]) |
1658 |
|
✗ |
peer = reply->transports[0].source; |
1659 |
|
✗ |
ff_url_join(url, sizeof(url), "rtp", NULL, peer, |
1660 |
|
|
reply->transports[0].server_port_min, "%s", options); |
1661 |
|
✗ |
if (!(rt->server_type == RTSP_SERVER_WMS && i > 1) && |
1662 |
|
✗ |
ff_rtp_set_remote_url(rtsp_st->rtp_handle, url) < 0) { |
1663 |
|
✗ |
err = AVERROR_INVALIDDATA; |
1664 |
|
✗ |
goto fail; |
1665 |
|
|
} |
1666 |
|
✗ |
break; |
1667 |
|
|
} |
1668 |
|
✗ |
case RTSP_LOWER_TRANSPORT_UDP_MULTICAST: { |
1669 |
|
✗ |
char url[MAX_URL_SIZE], namebuf[50], optbuf[20] = ""; |
1670 |
|
|
struct sockaddr_storage addr; |
1671 |
|
|
int port, ttl; |
1672 |
|
✗ |
AVDictionary *opts = map_to_opts(rt); |
1673 |
|
|
|
1674 |
|
✗ |
if (reply->transports[0].destination.ss_family) { |
1675 |
|
✗ |
addr = reply->transports[0].destination; |
1676 |
|
✗ |
port = reply->transports[0].port_min; |
1677 |
|
✗ |
ttl = reply->transports[0].ttl; |
1678 |
|
|
} else { |
1679 |
|
✗ |
addr = rtsp_st->sdp_ip; |
1680 |
|
✗ |
port = rtsp_st->sdp_port; |
1681 |
|
✗ |
ttl = rtsp_st->sdp_ttl; |
1682 |
|
|
} |
1683 |
|
✗ |
if (ttl > 0) |
1684 |
|
✗ |
snprintf(optbuf, sizeof(optbuf), "?ttl=%d", ttl); |
1685 |
|
✗ |
getnameinfo((struct sockaddr*) &addr, sizeof(addr), |
1686 |
|
|
namebuf, sizeof(namebuf), NULL, 0, NI_NUMERICHOST); |
1687 |
|
✗ |
ff_url_join(url, sizeof(url), "rtp", NULL, namebuf, |
1688 |
|
|
port, "%s", optbuf); |
1689 |
|
✗ |
err = ffurl_open_whitelist(&rtsp_st->rtp_handle, url, AVIO_FLAG_READ_WRITE, |
1690 |
|
✗ |
&s->interrupt_callback, &opts, s->protocol_whitelist, s->protocol_blacklist, NULL); |
1691 |
|
✗ |
av_dict_free(&opts); |
1692 |
|
|
|
1693 |
|
✗ |
if (err < 0) { |
1694 |
|
✗ |
err = AVERROR_INVALIDDATA; |
1695 |
|
✗ |
goto fail; |
1696 |
|
|
} |
1697 |
|
✗ |
break; |
1698 |
|
|
} |
1699 |
|
|
} |
1700 |
|
|
|
1701 |
|
✗ |
if ((err = ff_rtsp_open_transport_ctx(s, rtsp_st))) |
1702 |
|
✗ |
goto fail; |
1703 |
|
|
} |
1704 |
|
|
|
1705 |
|
✗ |
if (rt->nb_rtsp_streams && reply->timeout > 0) |
1706 |
|
✗ |
rt->timeout = reply->timeout; |
1707 |
|
|
|
1708 |
|
✗ |
if (rt->server_type == RTSP_SERVER_REAL) |
1709 |
|
✗ |
rt->need_subscription = 1; |
1710 |
|
|
|
1711 |
|
✗ |
return 0; |
1712 |
|
|
|
1713 |
|
✗ |
fail: |
1714 |
|
✗ |
ff_rtsp_undo_setup(s, 0); |
1715 |
|
✗ |
return err; |
1716 |
|
|
} |
1717 |
|
|
|
1718 |
|
✗ |
void ff_rtsp_close_connections(AVFormatContext *s) |
1719 |
|
|
{ |
1720 |
|
✗ |
RTSPState *rt = s->priv_data; |
1721 |
|
✗ |
if (rt->rtsp_hd_out != rt->rtsp_hd) |
1722 |
|
✗ |
ffurl_closep(&rt->rtsp_hd_out); |
1723 |
|
✗ |
rt->rtsp_hd_out = NULL; |
1724 |
|
✗ |
ffurl_closep(&rt->rtsp_hd); |
1725 |
|
✗ |
} |
1726 |
|
|
|
1727 |
|
✗ |
int ff_rtsp_connect(AVFormatContext *s) |
1728 |
|
|
{ |
1729 |
|
✗ |
RTSPState *rt = s->priv_data; |
1730 |
|
|
char proto[128], host[1024], path[2048]; |
1731 |
|
|
char tcpname[1024], cmd[MAX_URL_SIZE], auth[128]; |
1732 |
|
✗ |
const char *lower_rtsp_proto = "tcp"; |
1733 |
|
|
int port, err, tcp_fd; |
1734 |
|
✗ |
RTSPMessageHeader reply1, *reply = &reply1; |
1735 |
|
✗ |
int lower_transport_mask = 0; |
1736 |
|
✗ |
int default_port = RTSP_DEFAULT_PORT; |
1737 |
|
✗ |
int https_tunnel = 0; |
1738 |
|
✗ |
char real_challenge[64] = ""; |
1739 |
|
|
struct sockaddr_storage peer; |
1740 |
|
✗ |
socklen_t peer_len = sizeof(peer); |
1741 |
|
|
|
1742 |
|
✗ |
if (rt->rtp_port_max < rt->rtp_port_min) { |
1743 |
|
✗ |
av_log(s, AV_LOG_ERROR, "Invalid UDP port range, max port %d less " |
1744 |
|
|
"than min port %d\n", rt->rtp_port_max, |
1745 |
|
|
rt->rtp_port_min); |
1746 |
|
✗ |
return AVERROR(EINVAL); |
1747 |
|
|
} |
1748 |
|
|
|
1749 |
|
✗ |
if (!ff_network_init()) |
1750 |
|
✗ |
return AVERROR(EIO); |
1751 |
|
|
|
1752 |
|
✗ |
if (s->max_delay < 0) /* Not set by the caller */ |
1753 |
|
✗ |
s->max_delay = s->iformat ? DEFAULT_REORDERING_DELAY : 0; |
1754 |
|
|
|
1755 |
|
✗ |
rt->control_transport = RTSP_MODE_PLAIN; |
1756 |
|
✗ |
if (rt->lower_transport_mask & ((1 << RTSP_LOWER_TRANSPORT_HTTP) | |
1757 |
|
|
(1 << RTSP_LOWER_TRANSPORT_HTTPS))) { |
1758 |
|
✗ |
https_tunnel = !!(rt->lower_transport_mask & (1 << RTSP_LOWER_TRANSPORT_HTTPS)); |
1759 |
|
✗ |
rt->lower_transport_mask = 1 << RTSP_LOWER_TRANSPORT_TCP; |
1760 |
|
✗ |
rt->control_transport = RTSP_MODE_TUNNEL; |
1761 |
|
|
} |
1762 |
|
|
/* Only pass through valid flags from here */ |
1763 |
|
✗ |
rt->lower_transport_mask &= (1 << RTSP_LOWER_TRANSPORT_NB) - 1; |
1764 |
|
|
|
1765 |
|
✗ |
redirect: |
1766 |
|
✗ |
memset(&reply1, 0, sizeof(reply1)); |
1767 |
|
|
/* extract hostname and port */ |
1768 |
|
✗ |
av_url_split(proto, sizeof(proto), auth, sizeof(auth), |
1769 |
|
✗ |
host, sizeof(host), &port, path, sizeof(path), s->url); |
1770 |
|
|
|
1771 |
|
✗ |
if (!strcmp(proto, "rtsps")) { |
1772 |
|
✗ |
lower_rtsp_proto = "tls"; |
1773 |
|
✗ |
default_port = RTSPS_DEFAULT_PORT; |
1774 |
|
✗ |
rt->lower_transport_mask = 1 << RTSP_LOWER_TRANSPORT_TCP; |
1775 |
|
✗ |
} else if (!strcmp(proto, "satip")) { |
1776 |
|
✗ |
av_strlcpy(proto, "rtsp", sizeof(proto)); |
1777 |
|
✗ |
rt->server_type = RTSP_SERVER_SATIP; |
1778 |
|
|
} |
1779 |
|
|
|
1780 |
|
✗ |
if (*auth) { |
1781 |
|
✗ |
av_strlcpy(rt->auth, auth, sizeof(rt->auth)); |
1782 |
|
|
} |
1783 |
|
✗ |
if (port < 0) |
1784 |
|
✗ |
port = default_port; |
1785 |
|
|
|
1786 |
|
✗ |
lower_transport_mask = rt->lower_transport_mask; |
1787 |
|
|
|
1788 |
|
✗ |
if (!lower_transport_mask) |
1789 |
|
✗ |
lower_transport_mask = (1 << RTSP_LOWER_TRANSPORT_NB) - 1; |
1790 |
|
|
|
1791 |
|
✗ |
if (s->oformat) { |
1792 |
|
|
/* Only UDP or TCP - UDP multicast isn't supported. */ |
1793 |
|
✗ |
lower_transport_mask &= (1 << RTSP_LOWER_TRANSPORT_UDP) | |
1794 |
|
|
(1 << RTSP_LOWER_TRANSPORT_TCP); |
1795 |
|
✗ |
if (!lower_transport_mask || rt->control_transport == RTSP_MODE_TUNNEL) { |
1796 |
|
✗ |
av_log(s, AV_LOG_ERROR, "Unsupported lower transport method, " |
1797 |
|
|
"only UDP and TCP are supported for output.\n"); |
1798 |
|
✗ |
err = AVERROR(EINVAL); |
1799 |
|
✗ |
goto fail; |
1800 |
|
|
} |
1801 |
|
|
} |
1802 |
|
|
|
1803 |
|
|
/* Construct the URI used in request; this is similar to s->url, |
1804 |
|
|
* but with authentication credentials removed and RTSP specific options |
1805 |
|
|
* stripped out. */ |
1806 |
|
✗ |
ff_url_join(rt->control_uri, sizeof(rt->control_uri), proto, NULL, |
1807 |
|
|
host, port, "%s", path); |
1808 |
|
|
|
1809 |
|
✗ |
if (rt->control_transport == RTSP_MODE_TUNNEL) { |
1810 |
|
|
/* set up initial handshake for tunneling */ |
1811 |
|
|
char httpname[1024]; |
1812 |
|
|
char sessioncookie[17]; |
1813 |
|
|
char headers[1024]; |
1814 |
|
✗ |
AVDictionary *options = NULL; |
1815 |
|
|
|
1816 |
|
✗ |
av_dict_set_int(&options, "timeout", rt->stimeout, 0); |
1817 |
|
|
|
1818 |
|
✗ |
ff_url_join(httpname, sizeof(httpname), https_tunnel ? "https" : "http", auth, host, port, "%s", path); |
1819 |
|
✗ |
snprintf(sessioncookie, sizeof(sessioncookie), "%08x%08x", |
1820 |
|
|
av_get_random_seed(), av_get_random_seed()); |
1821 |
|
|
|
1822 |
|
|
/* GET requests */ |
1823 |
|
✗ |
if (ffurl_alloc(&rt->rtsp_hd, httpname, AVIO_FLAG_READ, |
1824 |
|
✗ |
&s->interrupt_callback) < 0) { |
1825 |
|
✗ |
err = AVERROR(EIO); |
1826 |
|
✗ |
goto fail; |
1827 |
|
|
} |
1828 |
|
|
|
1829 |
|
|
/* generate GET headers */ |
1830 |
|
✗ |
snprintf(headers, sizeof(headers), |
1831 |
|
|
"x-sessioncookie: %s\r\n" |
1832 |
|
|
"Accept: application/x-rtsp-tunnelled\r\n" |
1833 |
|
|
"Pragma: no-cache\r\n" |
1834 |
|
|
"Cache-Control: no-cache\r\n", |
1835 |
|
|
sessioncookie); |
1836 |
|
✗ |
av_opt_set(rt->rtsp_hd->priv_data, "headers", headers, 0); |
1837 |
|
|
|
1838 |
|
✗ |
if (!rt->rtsp_hd->protocol_whitelist && s->protocol_whitelist) { |
1839 |
|
✗ |
rt->rtsp_hd->protocol_whitelist = av_strdup(s->protocol_whitelist); |
1840 |
|
✗ |
if (!rt->rtsp_hd->protocol_whitelist) { |
1841 |
|
✗ |
err = AVERROR(ENOMEM); |
1842 |
|
✗ |
goto fail; |
1843 |
|
|
} |
1844 |
|
|
} |
1845 |
|
|
|
1846 |
|
|
/* complete the connection */ |
1847 |
|
✗ |
if (ffurl_connect(rt->rtsp_hd, &options)) { |
1848 |
|
✗ |
av_dict_free(&options); |
1849 |
|
✗ |
err = AVERROR(EIO); |
1850 |
|
✗ |
goto fail; |
1851 |
|
|
} |
1852 |
|
|
|
1853 |
|
|
/* POST requests */ |
1854 |
|
✗ |
if (ffurl_alloc(&rt->rtsp_hd_out, httpname, AVIO_FLAG_WRITE, |
1855 |
|
✗ |
&s->interrupt_callback) < 0 ) { |
1856 |
|
✗ |
err = AVERROR(EIO); |
1857 |
|
✗ |
goto fail; |
1858 |
|
|
} |
1859 |
|
|
|
1860 |
|
|
/* generate POST headers */ |
1861 |
|
✗ |
snprintf(headers, sizeof(headers), |
1862 |
|
|
"x-sessioncookie: %s\r\n" |
1863 |
|
|
"Content-Type: application/x-rtsp-tunnelled\r\n" |
1864 |
|
|
"Pragma: no-cache\r\n" |
1865 |
|
|
"Cache-Control: no-cache\r\n" |
1866 |
|
|
"Content-Length: 32767\r\n" |
1867 |
|
|
"Expires: Sun, 9 Jan 1972 00:00:00 GMT\r\n", |
1868 |
|
|
sessioncookie); |
1869 |
|
✗ |
av_opt_set(rt->rtsp_hd_out->priv_data, "headers", headers, 0); |
1870 |
|
✗ |
av_opt_set(rt->rtsp_hd_out->priv_data, "chunked_post", "0", 0); |
1871 |
|
✗ |
av_opt_set(rt->rtsp_hd_out->priv_data, "send_expect_100", "0", 0); |
1872 |
|
|
|
1873 |
|
|
/* Initialize the authentication state for the POST session. The HTTP |
1874 |
|
|
* protocol implementation doesn't properly handle multi-pass |
1875 |
|
|
* authentication for POST requests, since it would require one of |
1876 |
|
|
* the following: |
1877 |
|
|
* - implementing Expect: 100-continue, which many HTTP servers |
1878 |
|
|
* don't support anyway, even less the RTSP servers that do HTTP |
1879 |
|
|
* tunneling |
1880 |
|
|
* - sending the whole POST data until getting a 401 reply specifying |
1881 |
|
|
* what authentication method to use, then resending all that data |
1882 |
|
|
* - waiting for potential 401 replies directly after sending the |
1883 |
|
|
* POST header (waiting for some unspecified time) |
1884 |
|
|
* Therefore, we copy the full auth state, which works for both basic |
1885 |
|
|
* and digest. (For digest, we would have to synchronize the nonce |
1886 |
|
|
* count variable between the two sessions, if we'd do more requests |
1887 |
|
|
* with the original session, though.) |
1888 |
|
|
*/ |
1889 |
|
✗ |
ff_http_init_auth_state(rt->rtsp_hd_out, rt->rtsp_hd); |
1890 |
|
|
|
1891 |
|
|
/* complete the connection */ |
1892 |
|
✗ |
if (ffurl_connect(rt->rtsp_hd_out, &options)) { |
1893 |
|
✗ |
av_dict_free(&options); |
1894 |
|
✗ |
err = AVERROR(EIO); |
1895 |
|
✗ |
goto fail; |
1896 |
|
|
} |
1897 |
|
✗ |
av_dict_free(&options); |
1898 |
|
|
} else { |
1899 |
|
|
int ret; |
1900 |
|
|
/* open the tcp connection */ |
1901 |
|
✗ |
ff_url_join(tcpname, sizeof(tcpname), lower_rtsp_proto, NULL, |
1902 |
|
|
host, port, |
1903 |
|
|
"?timeout=%"PRId64, rt->stimeout); |
1904 |
|
✗ |
if ((ret = ffurl_open_whitelist(&rt->rtsp_hd, tcpname, AVIO_FLAG_READ_WRITE, |
1905 |
|
✗ |
&s->interrupt_callback, NULL, s->protocol_whitelist, s->protocol_blacklist, NULL)) < 0) { |
1906 |
|
✗ |
err = ret; |
1907 |
|
✗ |
goto fail; |
1908 |
|
|
} |
1909 |
|
✗ |
rt->rtsp_hd_out = rt->rtsp_hd; |
1910 |
|
|
} |
1911 |
|
✗ |
rt->seq = 0; |
1912 |
|
|
|
1913 |
|
✗ |
tcp_fd = ffurl_get_file_handle(rt->rtsp_hd); |
1914 |
|
✗ |
if (tcp_fd < 0) { |
1915 |
|
✗ |
err = tcp_fd; |
1916 |
|
✗ |
goto fail; |
1917 |
|
|
} |
1918 |
|
✗ |
if (!getpeername(tcp_fd, (struct sockaddr*) &peer, &peer_len)) { |
1919 |
|
✗ |
getnameinfo((struct sockaddr*) &peer, peer_len, host, sizeof(host), |
1920 |
|
|
NULL, 0, NI_NUMERICHOST); |
1921 |
|
|
} |
1922 |
|
|
|
1923 |
|
|
/* request options supported by the server; this also detects server |
1924 |
|
|
* type */ |
1925 |
|
✗ |
if (rt->server_type != RTSP_SERVER_SATIP) |
1926 |
|
✗ |
rt->server_type = RTSP_SERVER_RTP; |
1927 |
|
|
for (;;) { |
1928 |
|
✗ |
cmd[0] = 0; |
1929 |
|
✗ |
if (rt->server_type == RTSP_SERVER_REAL) |
1930 |
|
✗ |
av_strlcat(cmd, |
1931 |
|
|
/* |
1932 |
|
|
* The following entries are required for proper |
1933 |
|
|
* streaming from a Realmedia server. They are |
1934 |
|
|
* interdependent in some way although we currently |
1935 |
|
|
* don't quite understand how. Values were copied |
1936 |
|
|
* from mplayer SVN r23589. |
1937 |
|
|
* ClientChallenge is a 16-byte ID in hex |
1938 |
|
|
* CompanyID is a 16-byte ID in base64 |
1939 |
|
|
*/ |
1940 |
|
|
"ClientChallenge: 9e26d33f2984236010ef6253fb1887f7\r\n" |
1941 |
|
|
"PlayerStarttime: [28/03/2003:22:50:23 00:00]\r\n" |
1942 |
|
|
"CompanyID: KnKV4M4I/B2FjJ1TToLycw==\r\n" |
1943 |
|
|
"GUID: 00000000-0000-0000-0000-000000000000\r\n", |
1944 |
|
|
sizeof(cmd)); |
1945 |
|
✗ |
ff_rtsp_send_cmd(s, "OPTIONS", rt->control_uri, cmd, reply, NULL); |
1946 |
|
✗ |
if (reply->status_code != RTSP_STATUS_OK) { |
1947 |
|
✗ |
err = ff_rtsp_averror(reply->status_code, AVERROR_INVALIDDATA); |
1948 |
|
✗ |
goto fail; |
1949 |
|
|
} |
1950 |
|
|
|
1951 |
|
|
/* detect server type if not standard-compliant RTP */ |
1952 |
|
✗ |
if (rt->server_type != RTSP_SERVER_REAL && reply->real_challenge[0]) { |
1953 |
|
✗ |
rt->server_type = RTSP_SERVER_REAL; |
1954 |
|
✗ |
continue; |
1955 |
|
✗ |
} else if (!av_strncasecmp(reply->server, "WMServer/", 9)) { |
1956 |
|
✗ |
rt->server_type = RTSP_SERVER_WMS; |
1957 |
|
✗ |
} else if (rt->server_type == RTSP_SERVER_REAL) |
1958 |
|
✗ |
strcpy(real_challenge, reply->real_challenge); |
1959 |
|
✗ |
break; |
1960 |
|
|
} |
1961 |
|
|
|
1962 |
|
|
#if CONFIG_RTSP_DEMUXER |
1963 |
|
✗ |
if (s->iformat) { |
1964 |
|
✗ |
if (rt->server_type == RTSP_SERVER_SATIP) |
1965 |
|
✗ |
err = init_satip_stream(s); |
1966 |
|
|
else |
1967 |
|
✗ |
err = ff_rtsp_setup_input_streams(s, reply); |
1968 |
|
|
} else |
1969 |
|
|
#endif |
1970 |
|
|
if (CONFIG_RTSP_MUXER) |
1971 |
|
✗ |
err = ff_rtsp_setup_output_streams(s, host); |
1972 |
|
|
else |
1973 |
|
|
av_assert0(0); |
1974 |
|
✗ |
if (err) |
1975 |
|
✗ |
goto fail; |
1976 |
|
|
|
1977 |
|
|
do { |
1978 |
|
✗ |
int lower_transport = ff_log2_tab[lower_transport_mask & |
1979 |
|
✗ |
~(lower_transport_mask - 1)]; |
1980 |
|
|
|
1981 |
|
✗ |
if ((lower_transport_mask & (1 << RTSP_LOWER_TRANSPORT_TCP)) |
1982 |
|
✗ |
&& (rt->rtsp_flags & RTSP_FLAG_PREFER_TCP)) |
1983 |
|
✗ |
lower_transport = RTSP_LOWER_TRANSPORT_TCP; |
1984 |
|
|
|
1985 |
|
✗ |
err = ff_rtsp_make_setup_request(s, host, port, lower_transport, |
1986 |
|
✗ |
rt->server_type == RTSP_SERVER_REAL ? |
1987 |
|
|
real_challenge : NULL); |
1988 |
|
✗ |
if (err < 0) |
1989 |
|
✗ |
goto fail; |
1990 |
|
✗ |
lower_transport_mask &= ~(1 << lower_transport); |
1991 |
|
✗ |
if (lower_transport_mask == 0 && err == 1) { |
1992 |
|
✗ |
err = AVERROR(EPROTONOSUPPORT); |
1993 |
|
✗ |
goto fail; |
1994 |
|
|
} |
1995 |
|
✗ |
} while (err); |
1996 |
|
|
|
1997 |
|
✗ |
rt->lower_transport_mask = lower_transport_mask; |
1998 |
|
✗ |
av_strlcpy(rt->real_challenge, real_challenge, sizeof(rt->real_challenge)); |
1999 |
|
✗ |
rt->state = RTSP_STATE_IDLE; |
2000 |
|
✗ |
rt->seek_timestamp = 0; /* default is to start stream at position zero */ |
2001 |
|
✗ |
return 0; |
2002 |
|
✗ |
fail: |
2003 |
|
✗ |
ff_rtsp_close_streams(s); |
2004 |
|
✗ |
ff_rtsp_close_connections(s); |
2005 |
|
✗ |
if (reply->status_code >=300 && reply->status_code < 400 && s->iformat) { |
2006 |
|
✗ |
char *new_url = av_strdup(reply->location); |
2007 |
|
✗ |
if (!new_url) { |
2008 |
|
✗ |
err = AVERROR(ENOMEM); |
2009 |
|
✗ |
goto fail2; |
2010 |
|
|
} |
2011 |
|
✗ |
ff_format_set_url(s, new_url); |
2012 |
|
✗ |
rt->session_id[0] = '\0'; |
2013 |
|
✗ |
av_log(s, AV_LOG_INFO, "Status %d: Redirecting to %s\n", |
2014 |
|
✗ |
reply->status_code, |
2015 |
|
|
s->url); |
2016 |
|
✗ |
goto redirect; |
2017 |
|
|
} |
2018 |
|
✗ |
fail2: |
2019 |
|
✗ |
ff_network_close(); |
2020 |
|
✗ |
return err; |
2021 |
|
|
} |
2022 |
|
|
#endif /* CONFIG_RTSP_DEMUXER || CONFIG_RTSP_MUXER */ |
2023 |
|
|
|
2024 |
|
|
#if CONFIG_RTPDEC |
2025 |
|
|
#if CONFIG_RTSP_DEMUXER |
2026 |
|
✗ |
static int parse_rtsp_message(AVFormatContext *s) |
2027 |
|
|
{ |
2028 |
|
✗ |
RTSPState *rt = s->priv_data; |
2029 |
|
|
int ret; |
2030 |
|
|
|
2031 |
|
✗ |
if (rt->rtsp_flags & RTSP_FLAG_LISTEN) { |
2032 |
|
✗ |
if (rt->state == RTSP_STATE_STREAMING) { |
2033 |
|
✗ |
return ff_rtsp_parse_streaming_commands(s); |
2034 |
|
|
} else |
2035 |
|
✗ |
return AVERROR_EOF; |
2036 |
|
|
} else { |
2037 |
|
|
RTSPMessageHeader reply; |
2038 |
|
✗ |
ret = ff_rtsp_read_reply(s, &reply, NULL, 0, NULL); |
2039 |
|
✗ |
if (ret < 0) |
2040 |
|
✗ |
return ret; |
2041 |
|
|
/* XXX: parse message */ |
2042 |
|
✗ |
if (rt->state != RTSP_STATE_STREAMING) |
2043 |
|
✗ |
return 0; |
2044 |
|
|
} |
2045 |
|
|
|
2046 |
|
✗ |
return 0; |
2047 |
|
|
} |
2048 |
|
|
#endif |
2049 |
|
|
|
2050 |
|
✗ |
static int udp_read_packet(AVFormatContext *s, RTSPStream **prtsp_st, |
2051 |
|
|
uint8_t *buf, int buf_size, int64_t wait_end) |
2052 |
|
|
{ |
2053 |
|
✗ |
RTSPState *rt = s->priv_data; |
2054 |
|
|
RTSPStream *rtsp_st; |
2055 |
|
|
int n, i, ret; |
2056 |
|
✗ |
struct pollfd *p = rt->p; |
2057 |
|
✗ |
int *fds = NULL, fdsnum, fdsidx; |
2058 |
|
✗ |
int64_t runs = rt->stimeout / POLLING_TIME / 1000; |
2059 |
|
|
|
2060 |
|
✗ |
if (!p) { |
2061 |
|
✗ |
p = rt->p = av_malloc_array(2 * rt->nb_rtsp_streams + 1, sizeof(*p)); |
2062 |
|
✗ |
if (!p) |
2063 |
|
✗ |
return AVERROR(ENOMEM); |
2064 |
|
|
|
2065 |
|
✗ |
if (rt->rtsp_hd) { |
2066 |
|
✗ |
p[rt->max_p].fd = ffurl_get_file_handle(rt->rtsp_hd); |
2067 |
|
✗ |
p[rt->max_p++].events = POLLIN; |
2068 |
|
|
} |
2069 |
|
✗ |
for (i = 0; i < rt->nb_rtsp_streams; i++) { |
2070 |
|
✗ |
rtsp_st = rt->rtsp_streams[i]; |
2071 |
|
✗ |
if (rtsp_st->rtp_handle) { |
2072 |
|
✗ |
if (ret = ffurl_get_multi_file_handle(rtsp_st->rtp_handle, |
2073 |
|
|
&fds, &fdsnum)) { |
2074 |
|
✗ |
av_log(s, AV_LOG_ERROR, "Unable to recover rtp ports\n"); |
2075 |
|
✗ |
return ret; |
2076 |
|
|
} |
2077 |
|
✗ |
if (fdsnum != 2) { |
2078 |
|
✗ |
av_log(s, AV_LOG_ERROR, |
2079 |
|
|
"Number of fds %d not supported\n", fdsnum); |
2080 |
|
✗ |
av_freep(&fds); |
2081 |
|
✗ |
return AVERROR_INVALIDDATA; |
2082 |
|
|
} |
2083 |
|
✗ |
for (fdsidx = 0; fdsidx < fdsnum; fdsidx++) { |
2084 |
|
✗ |
p[rt->max_p].fd = fds[fdsidx]; |
2085 |
|
✗ |
p[rt->max_p++].events = POLLIN; |
2086 |
|
|
} |
2087 |
|
✗ |
av_freep(&fds); |
2088 |
|
|
} |
2089 |
|
|
} |
2090 |
|
|
} |
2091 |
|
|
|
2092 |
|
|
for (;;) { |
2093 |
|
✗ |
if (ff_check_interrupt(&s->interrupt_callback)) |
2094 |
|
✗ |
return AVERROR_EXIT; |
2095 |
|
✗ |
if (wait_end && wait_end - av_gettime_relative() < 0) |
2096 |
|
✗ |
return AVERROR(EAGAIN); |
2097 |
|
✗ |
n = poll(p, rt->max_p, POLLING_TIME); |
2098 |
|
✗ |
if (n > 0) { |
2099 |
|
✗ |
int j = rt->rtsp_hd ? 1 : 0; |
2100 |
|
✗ |
for (i = 0; i < rt->nb_rtsp_streams; i++) { |
2101 |
|
✗ |
rtsp_st = rt->rtsp_streams[i]; |
2102 |
|
✗ |
if (rtsp_st->rtp_handle) { |
2103 |
|
✗ |
if (p[j].revents & POLLIN || p[j+1].revents & POLLIN) { |
2104 |
|
✗ |
ret = ffurl_read(rtsp_st->rtp_handle, buf, buf_size); |
2105 |
|
✗ |
if (ret > 0) { |
2106 |
|
✗ |
*prtsp_st = rtsp_st; |
2107 |
|
✗ |
return ret; |
2108 |
|
|
} |
2109 |
|
|
} |
2110 |
|
✗ |
j+=2; |
2111 |
|
|
} |
2112 |
|
|
} |
2113 |
|
|
#if CONFIG_RTSP_DEMUXER |
2114 |
|
✗ |
if (rt->rtsp_hd && p[0].revents & POLLIN) { |
2115 |
|
✗ |
if ((ret = parse_rtsp_message(s)) < 0) { |
2116 |
|
✗ |
return ret; |
2117 |
|
|
} |
2118 |
|
|
} |
2119 |
|
|
#endif |
2120 |
|
✗ |
} else if (n == 0 && rt->stimeout > 0 && --runs <= 0) { |
2121 |
|
✗ |
return AVERROR(ETIMEDOUT); |
2122 |
|
✗ |
} else if (n < 0 && errno != EINTR) |
2123 |
|
✗ |
return AVERROR(errno); |
2124 |
|
|
} |
2125 |
|
|
} |
2126 |
|
|
|
2127 |
|
✗ |
static int pick_stream(AVFormatContext *s, RTSPStream **rtsp_st, |
2128 |
|
|
const uint8_t *buf, int len) |
2129 |
|
|
{ |
2130 |
|
✗ |
RTSPState *rt = s->priv_data; |
2131 |
|
|
int i; |
2132 |
|
✗ |
if (len < 0) |
2133 |
|
✗ |
return len; |
2134 |
|
✗ |
if (rt->nb_rtsp_streams == 1) { |
2135 |
|
✗ |
*rtsp_st = rt->rtsp_streams[0]; |
2136 |
|
✗ |
return len; |
2137 |
|
|
} |
2138 |
|
✗ |
if (len >= 8 && rt->transport == RTSP_TRANSPORT_RTP) { |
2139 |
|
✗ |
if (RTP_PT_IS_RTCP(rt->recvbuf[1])) { |
2140 |
|
✗ |
int no_ssrc = 0; |
2141 |
|
✗ |
for (i = 0; i < rt->nb_rtsp_streams; i++) { |
2142 |
|
✗ |
RTPDemuxContext *rtpctx = rt->rtsp_streams[i]->transport_priv; |
2143 |
|
✗ |
if (!rtpctx) |
2144 |
|
✗ |
continue; |
2145 |
|
✗ |
if (rtpctx->ssrc == AV_RB32(&buf[4])) { |
2146 |
|
✗ |
*rtsp_st = rt->rtsp_streams[i]; |
2147 |
|
✗ |
return len; |
2148 |
|
|
} |
2149 |
|
✗ |
if (!rtpctx->ssrc) |
2150 |
|
✗ |
no_ssrc = 1; |
2151 |
|
|
} |
2152 |
|
✗ |
if (no_ssrc) { |
2153 |
|
✗ |
av_log(s, AV_LOG_WARNING, |
2154 |
|
|
"Unable to pick stream for packet - SSRC not known for " |
2155 |
|
|
"all streams\n"); |
2156 |
|
✗ |
return AVERROR(EAGAIN); |
2157 |
|
|
} |
2158 |
|
|
} else { |
2159 |
|
✗ |
for (i = 0; i < rt->nb_rtsp_streams; i++) { |
2160 |
|
✗ |
if ((buf[1] & 0x7f) == rt->rtsp_streams[i]->sdp_payload_type) { |
2161 |
|
✗ |
*rtsp_st = rt->rtsp_streams[i]; |
2162 |
|
✗ |
return len; |
2163 |
|
|
} |
2164 |
|
|
} |
2165 |
|
|
} |
2166 |
|
|
} |
2167 |
|
✗ |
av_log(s, AV_LOG_WARNING, "Unable to pick stream for packet\n"); |
2168 |
|
✗ |
return AVERROR(EAGAIN); |
2169 |
|
|
} |
2170 |
|
|
|
2171 |
|
✗ |
static int read_packet(AVFormatContext *s, |
2172 |
|
|
RTSPStream **rtsp_st, RTSPStream *first_queue_st, |
2173 |
|
|
int64_t wait_end) |
2174 |
|
|
{ |
2175 |
|
✗ |
RTSPState *rt = s->priv_data; |
2176 |
|
|
int len; |
2177 |
|
|
|
2178 |
|
✗ |
switch(rt->lower_transport) { |
2179 |
|
✗ |
default: |
2180 |
|
|
#if CONFIG_RTSP_DEMUXER |
2181 |
|
|
case RTSP_LOWER_TRANSPORT_TCP: |
2182 |
|
✗ |
len = ff_rtsp_tcp_read_packet(s, rtsp_st, rt->recvbuf, RECVBUF_SIZE); |
2183 |
|
✗ |
break; |
2184 |
|
|
#endif |
2185 |
|
✗ |
case RTSP_LOWER_TRANSPORT_UDP: |
2186 |
|
|
case RTSP_LOWER_TRANSPORT_UDP_MULTICAST: |
2187 |
|
✗ |
len = udp_read_packet(s, rtsp_st, rt->recvbuf, RECVBUF_SIZE, wait_end); |
2188 |
|
✗ |
if (len > 0 && (*rtsp_st)->transport_priv && rt->transport == RTSP_TRANSPORT_RTP) |
2189 |
|
✗ |
ff_rtp_check_and_send_back_rr((*rtsp_st)->transport_priv, (*rtsp_st)->rtp_handle, NULL, len); |
2190 |
|
✗ |
break; |
2191 |
|
✗ |
case RTSP_LOWER_TRANSPORT_CUSTOM: |
2192 |
|
✗ |
if (first_queue_st && rt->transport == RTSP_TRANSPORT_RTP && |
2193 |
|
✗ |
wait_end && wait_end < av_gettime_relative()) |
2194 |
|
✗ |
len = AVERROR(EAGAIN); |
2195 |
|
|
else |
2196 |
|
✗ |
len = avio_read_partial(s->pb, rt->recvbuf, RECVBUF_SIZE); |
2197 |
|
✗ |
len = pick_stream(s, rtsp_st, rt->recvbuf, len); |
2198 |
|
✗ |
if (len > 0 && (*rtsp_st)->transport_priv && rt->transport == RTSP_TRANSPORT_RTP) |
2199 |
|
✗ |
ff_rtp_check_and_send_back_rr((*rtsp_st)->transport_priv, NULL, s->pb, len); |
2200 |
|
✗ |
break; |
2201 |
|
|
} |
2202 |
|
|
|
2203 |
|
✗ |
if (len == 0) |
2204 |
|
✗ |
return AVERROR_EOF; |
2205 |
|
|
|
2206 |
|
✗ |
return len; |
2207 |
|
|
} |
2208 |
|
|
|
2209 |
|
✗ |
int ff_rtsp_fetch_packet(AVFormatContext *s, AVPacket *pkt) |
2210 |
|
|
{ |
2211 |
|
✗ |
RTSPState *rt = s->priv_data; |
2212 |
|
|
int ret, len; |
2213 |
|
✗ |
RTSPStream *rtsp_st, *first_queue_st = NULL; |
2214 |
|
✗ |
int64_t wait_end = 0; |
2215 |
|
|
|
2216 |
|
✗ |
if (rt->nb_byes == rt->nb_rtsp_streams) |
2217 |
|
✗ |
return AVERROR_EOF; |
2218 |
|
|
|
2219 |
|
|
/* get next frames from the same RTP packet */ |
2220 |
|
✗ |
if (rt->cur_transport_priv) { |
2221 |
|
✗ |
if (rt->transport == RTSP_TRANSPORT_RDT) { |
2222 |
|
✗ |
ret = ff_rdt_parse_packet(rt->cur_transport_priv, pkt, NULL, 0); |
2223 |
|
✗ |
} else if (rt->transport == RTSP_TRANSPORT_RTP) { |
2224 |
|
✗ |
ret = ff_rtp_parse_packet(rt->cur_transport_priv, pkt, NULL, 0); |
|