X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Frtsp.c;h=5aadc4430ab0f526238129502b12f06397aa3be7;hb=41ac093f7e315e3af17612f580c387b3688f4f43;hp=8b70c8b28aa9d87e9f3bc3cdaa70594b93dbfa25;hpb=76e25dbca6eb6ea899baa042902bd038bd2e3056;p=ffmpeg diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c index 8b70c8b28aa..5aadc4430ab 100644 --- a/libavformat/rtsp.c +++ b/libavformat/rtsp.c @@ -45,6 +45,7 @@ #include "rtpdec_formats.h" #include "rtpenc_chain.h" #include "url.h" +#include "rtpenc.h" //#define DEBUG @@ -56,6 +57,36 @@ #define SDP_MAX_SIZE 16384 #define RECVBUF_SIZE 10 * RTP_MAX_PACKET_LENGTH +#define OFFSET(x) offsetof(RTSPState, x) +#define DEC AV_OPT_FLAG_DECODING_PARAM +#define ENC AV_OPT_FLAG_ENCODING_PARAM + +#define RTSP_FLAG_OPTS(name, longname) \ + { name, longname, OFFSET(rtsp_flags), AV_OPT_TYPE_FLAGS, {0}, INT_MIN, INT_MAX, DEC, "rtsp_flags" }, \ + { "filter_src", "Only receive packets from the negotiated peer IP", 0, AV_OPT_TYPE_CONST, {RTSP_FLAG_FILTER_SRC}, 0, 0, DEC, "rtsp_flags" } + +const AVOption ff_rtsp_options[] = { + { "initial_pause", "Don't start playing the stream immediately", OFFSET(initial_pause), AV_OPT_TYPE_INT, {0}, 0, 1, DEC }, + FF_RTP_FLAG_OPTS(RTSPState, rtp_muxer_flags), + { "rtsp_transport", "RTSP transport protocols", OFFSET(lower_transport_mask), AV_OPT_TYPE_FLAGS, {0}, INT_MIN, INT_MAX, DEC|ENC, "rtsp_transport" }, \ + { "udp", "UDP", 0, AV_OPT_TYPE_CONST, {1 << RTSP_LOWER_TRANSPORT_UDP}, 0, 0, DEC|ENC, "rtsp_transport" }, \ + { "tcp", "TCP", 0, AV_OPT_TYPE_CONST, {1 << RTSP_LOWER_TRANSPORT_TCP}, 0, 0, DEC|ENC, "rtsp_transport" }, \ + { "udp_multicast", "UDP multicast", 0, AV_OPT_TYPE_CONST, {1 << RTSP_LOWER_TRANSPORT_UDP_MULTICAST}, 0, 0, DEC, "rtsp_transport" }, + { "http", "HTTP tunneling", 0, AV_OPT_TYPE_CONST, {(1 << RTSP_LOWER_TRANSPORT_HTTP)}, 0, 0, DEC, "rtsp_transport" }, + RTSP_FLAG_OPTS("rtsp_flags", "RTSP flags"), + { NULL }, +}; + +static const AVOption sdp_options[] = { + RTSP_FLAG_OPTS("sdp_flags", "SDP flags"), + { NULL }, +}; + +static const AVOption rtp_options[] = { + RTSP_FLAG_OPTS("rtp_flags", "RTP flags"), + { NULL }, +}; + static void get_word_until_chars(char *buf, int buf_size, const char *sep, const char **pp) { @@ -326,9 +357,10 @@ static void sdp_parse_line(AVFormatContext *s, SDPParseState *s1, if (!strcmp(ff_rtp_enc_name(rtsp_st->sdp_payload_type), "MP2T")) { /* no corresponding stream */ } else { - st = av_new_stream(s, rt->nb_rtsp_streams - 1); + st = avformat_new_stream(s, NULL); if (!st) return; + st->id = rt->nb_rtsp_streams - 1; rtsp_st->stream_index = st->index; st->codec->codec_type = codec_type; if (rtsp_st->sdp_payload_type < RTP_PT_PRIVATE) { @@ -501,7 +533,7 @@ void ff_rtsp_undo_setup(AVFormatContext *s) } else if (rt->transport == RTSP_TRANSPORT_RDT && CONFIG_RTPDEC) ff_rdt_parse_close(rtsp_st->transport_priv); else if (CONFIG_RTPDEC) - rtp_parse_close(rtsp_st->transport_priv); + ff_rtp_parse_close(rtsp_st->transport_priv); } rtsp_st->transport_priv = NULL; if (rtsp_st->rtp_handle) @@ -558,7 +590,7 @@ static int rtsp_open_transport_ctx(AVFormatContext *s, RTSPStream *rtsp_st) rtsp_st->dynamic_protocol_context, rtsp_st->dynamic_handler); else if (CONFIG_RTPDEC) - rtsp_st->transport_priv = rtp_parse_open(s, st, rtsp_st->rtp_handle, + rtsp_st->transport_priv = ff_rtp_parse_open(s, st, rtsp_st->rtp_handle, rtsp_st->sdp_payload_type, (rt->lower_transport == RTSP_LOWER_TRANSPORT_TCP || !s->max_delay) ? 0 : RTP_REORDER_QUEUE_DEFAULT_SIZE); @@ -567,9 +599,9 @@ static int rtsp_open_transport_ctx(AVFormatContext *s, RTSPStream *rtsp_st) return AVERROR(ENOMEM); } else if (rt->transport != RTSP_TRANSPORT_RDT && CONFIG_RTPDEC) { if (rtsp_st->dynamic_handler) { - rtp_parse_set_dynamic_protocol(rtsp_st->transport_priv, - rtsp_st->dynamic_protocol_context, - rtsp_st->dynamic_handler); + ff_rtp_parse_set_dynamic_protocol(rtsp_st->transport_priv, + rtsp_st->dynamic_protocol_context, + rtsp_st->dynamic_handler); } } @@ -808,6 +840,9 @@ void ff_rtsp_parse_line(RTSPMessageHeader *reply, const char *buf, if (strstr(p, "GET_PARAMETER") && method && !strcmp(method, "OPTIONS")) rt->get_parameter_supported = 1; + } else if (av_stristart(p, "x-Accept-Dynamic-Rate:", &p) && rt) { + p += strspn(p, SPACE_CHARS); + rt->accept_dynamic_rate = atoi(p); } } @@ -1121,7 +1156,7 @@ int ff_rtsp_make_setup_request(AVFormatContext *s, const char *host, int port, goto fail; rtp_opened: - port = rtp_get_local_rtp_port(rtsp_st->rtp_handle); + port = ff_rtp_get_local_rtp_port(rtsp_st->rtp_handle); have_port: snprintf(transport, sizeof(transport) - 1, "%s/UDP;", trans_pref); @@ -1165,6 +1200,8 @@ int ff_rtsp_make_setup_request(AVFormatContext *s, const char *host, int port, snprintf(cmd, sizeof(cmd), "Transport: %s\r\n", transport); + if (rt->accept_dynamic_rate) + av_strlcat(cmd, "x-Dynamic-Rate: 0\r\n", sizeof(cmd)); if (i == 0 && rt->server_type == RTSP_SERVER_REAL && CONFIG_RTPDEC) { char real_res[41], real_csum[9]; ff_rdt_calc_response_and_checksum(real_res, real_csum, @@ -1213,7 +1250,7 @@ int ff_rtsp_make_setup_request(AVFormatContext *s, const char *host, int port, case RTSP_LOWER_TRANSPORT_UDP: { char url[1024], options[30] = ""; - if (rt->filter_source) + if (rt->rtsp_flags & RTSP_FLAG_FILTER_SRC) av_strlcpy(options, "?connect=1", sizeof(options)); /* Use source address if specified */ if (reply->transports[0].source[0]) { @@ -1225,7 +1262,7 @@ int ff_rtsp_make_setup_request(AVFormatContext *s, const char *host, int port, reply->transports[0].server_port_min, "%s", options); } if (!(rt->server_type == RTSP_SERVER_WMS && i > 1) && - rtp_set_remote_url(rtsp_st->rtp_handle, url) < 0) { + ff_rtp_set_remote_url(rtsp_st->rtp_handle, url) < 0) { err = AVERROR_INVALIDDATA; goto fail; } @@ -1235,7 +1272,7 @@ int ff_rtsp_make_setup_request(AVFormatContext *s, const char *host, int port, */ if (!(rt->server_type == RTSP_SERVER_WMS && i > 1) && s->iformat && CONFIG_RTPDEC) - rtp_send_punch_packets(rtsp_st->rtp_handle); + ff_rtp_send_punch_packets(rtsp_st->rtp_handle); break; } case RTSP_LOWER_TRANSPORT_UDP_MULTICAST: { @@ -1303,8 +1340,17 @@ int ff_rtsp_connect(AVFormatContext *s) if (!ff_network_init()) return AVERROR(EIO); -redirect: + rt->control_transport = RTSP_MODE_PLAIN; + if (rt->lower_transport_mask & (1 << RTSP_LOWER_TRANSPORT_HTTP)) { + rt->lower_transport_mask = 1 << RTSP_LOWER_TRANSPORT_TCP; + rt->control_transport = RTSP_MODE_TUNNEL; + } + /* Only pass through valid flags from here */ + rt->lower_transport_mask &= (1 << RTSP_LOWER_TRANSPORT_NB) - 1; + +redirect: + lower_transport_mask = rt->lower_transport_mask; /* extract hostname and port */ av_url_split(NULL, 0, auth, sizeof(auth), host, sizeof(host), &port, path, sizeof(path), s->filename); @@ -1314,6 +1360,7 @@ redirect: if (port < 0) port = RTSP_DEFAULT_PORT; +#if FF_API_RTSP_URL_OPTIONS /* search for options */ option_list = strrchr(path, '?'); if (option_list) { @@ -1321,6 +1368,7 @@ redirect: * the options back into the same string. */ filename = option_list; while (option_list) { + int handled = 1; /* move the option pointer */ option = ++option_list; option_list = strchr(option_list, '&'); @@ -1338,7 +1386,7 @@ redirect: lower_transport_mask |= (1<< RTSP_LOWER_TRANSPORT_TCP); rt->control_transport = RTSP_MODE_TUNNEL; } else if (!strcmp(option, "filter_src")) { - rt->filter_source = 1; + rt->rtsp_flags |= RTSP_FLAG_FILTER_SRC; } else { /* Write options back into the buffer, using memmove instead * of strcpy since the strings may overlap. */ @@ -1346,10 +1394,16 @@ redirect: memmove(++filename, option, len); filename += len; if (option_list) *filename = '&'; + handled = 0; } + if (handled) + av_log(s, AV_LOG_WARNING, "Options passed via URL are " + "deprecated, use -rtsp_transport " + "and -rtsp_flags instead.\n"); } *filename = 0; } +#endif if (!lower_transport_mask) lower_transport_mask = (1 << RTSP_LOWER_TRANSPORT_NB) - 1; @@ -1569,7 +1623,7 @@ static int udp_read_packet(AVFormatContext *s, RTSPStream **prtsp_st, if (rtsp_st->rtp_handle) { p[max_p].fd = ffurl_get_file_handle(rtsp_st->rtp_handle); p[max_p++].events = POLLIN; - p[max_p].fd = rtp_get_rtcp_file_handle(rtsp_st->rtp_handle); + p[max_p].fd = ff_rtp_get_rtcp_file_handle(rtsp_st->rtp_handle); p[max_p++].events = POLLIN; } } @@ -1624,7 +1678,7 @@ int ff_rtsp_fetch_packet(AVFormatContext *s, AVPacket *pkt) if (rt->transport == RTSP_TRANSPORT_RDT) { ret = ff_rdt_parse_packet(rt->cur_transport_priv, pkt, NULL, 0); } else - ret = rtp_parse_packet(rt->cur_transport_priv, pkt, NULL, 0); + ret = ff_rtp_parse_packet(rt->cur_transport_priv, pkt, NULL, 0); if (ret == 0) { rt->cur_transport_priv = NULL; return 0; @@ -1672,13 +1726,13 @@ int ff_rtsp_fetch_packet(AVFormatContext *s, AVPacket *pkt) case RTSP_LOWER_TRANSPORT_UDP_MULTICAST: len = udp_read_packet(s, &rtsp_st, rt->recvbuf, RECVBUF_SIZE, wait_end); if (len > 0 && rtsp_st->transport_priv && rt->transport == RTSP_TRANSPORT_RTP) - rtp_check_and_send_back_rr(rtsp_st->transport_priv, len); + ff_rtp_check_and_send_back_rr(rtsp_st->transport_priv, len); break; } if (len == AVERROR(EAGAIN) && first_queue_st && rt->transport == RTSP_TRANSPORT_RTP) { rtsp_st = first_queue_st; - ret = rtp_parse_packet(rtsp_st->transport_priv, pkt, NULL, 0); + ret = ff_rtp_parse_packet(rtsp_st->transport_priv, pkt, NULL, 0); goto end; } if (len < 0) @@ -1688,7 +1742,7 @@ int ff_rtsp_fetch_packet(AVFormatContext *s, AVPacket *pkt) if (rt->transport == RTSP_TRANSPORT_RDT) { ret = ff_rdt_parse_packet(rtsp_st->transport_priv, pkt, &rt->recvbuf, len); } else { - ret = rtp_parse_packet(rtsp_st->transport_priv, pkt, &rt->recvbuf, len); + ret = ff_rtp_parse_packet(rtsp_st->transport_priv, pkt, &rt->recvbuf, len); if (ret < 0) { /* Either bad packet, or a RTCP packet. Check if the * first_rtcp_ntp_time field was initialized. */ @@ -1792,8 +1846,9 @@ static int sdp_read_header(AVFormatContext *s, AVFormatParameters *ap) namebuf, sizeof(namebuf), NULL, 0, NI_NUMERICHOST); ff_url_join(url, sizeof(url), "rtp", NULL, namebuf, rtsp_st->sdp_port, - "?localport=%d&ttl=%d", rtsp_st->sdp_port, - rtsp_st->sdp_ttl); + "?localport=%d&ttl=%d&connect=%d", rtsp_st->sdp_port, + rtsp_st->sdp_ttl, + rt->rtsp_flags & RTSP_FLAG_FILTER_SRC ? 1 : 0); if (ffurl_open(&rtsp_st->rtp_handle, url, AVIO_FLAG_READ_WRITE) < 0) { err = AVERROR_INVALIDDATA; goto fail; @@ -1815,6 +1870,13 @@ static int sdp_read_close(AVFormatContext *s) return 0; } +static const AVClass sdp_demuxer_class = { + .class_name = "SDP demuxer", + .item_name = av_default_item_name, + .option = sdp_options, + .version = LIBAVUTIL_VERSION_INT, +}; + AVInputFormat ff_sdp_demuxer = { .name = "sdp", .long_name = NULL_IF_CONFIG_SMALL("SDP"), @@ -1823,6 +1885,7 @@ AVInputFormat ff_sdp_demuxer = { .read_header = sdp_read_header, .read_packet = ff_rtsp_fetch_packet, .read_close = sdp_read_close, + .priv_class = &sdp_demuxer_class }; #endif /* CONFIG_SDP_DEMUXER */ @@ -1919,6 +1982,13 @@ fail: return ret; } +static const AVClass rtp_demuxer_class = { + .class_name = "RTP demuxer", + .item_name = av_default_item_name, + .option = rtp_options, + .version = LIBAVUTIL_VERSION_INT, +}; + AVInputFormat ff_rtp_demuxer = { .name = "rtp", .long_name = NULL_IF_CONFIG_SMALL("RTP input format"), @@ -1928,6 +1998,7 @@ AVInputFormat ff_rtp_demuxer = { .read_packet = ff_rtsp_fetch_packet, .read_close = sdp_read_close, .flags = AVFMT_NOFILE, + .priv_class = &rtp_demuxer_class }; #endif /* CONFIG_RTP_DEMUXER */