3 * Copyright (c) 2010 Martin Storsjo
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include <sys/select.h>
31 static int rtsp_write_record(AVFormatContext *s)
33 RTSPState *rt = s->priv_data;
34 RTSPMessageHeader reply1, *reply = &reply1;
37 snprintf(cmd, sizeof(cmd),
38 "RECORD %s RTSP/1.0\r\n"
39 "Range: npt=%0.3f-\r\n",
42 ff_rtsp_send_cmd(s, cmd, reply, NULL);
43 if (reply->status_code != RTSP_STATUS_OK)
45 rt->state = RTSP_STATE_STREAMING;
49 static int rtsp_write_header(AVFormatContext *s)
51 RTSPState *rt = s->priv_data;
54 ret = ff_rtsp_connect(s);
58 if (rtsp_write_record(s) < 0) {
59 ff_rtsp_close_streams(s);
60 url_close(rt->rtsp_hd);
61 return AVERROR_INVALIDDATA;
66 static int rtsp_write_packet(AVFormatContext *s, AVPacket *pkt)
68 RTSPState *rt = s->priv_data;
73 AVFormatContext *rtpctx;
77 tcp_fd = url_get_file_handle(rt->rtsp_hd);
78 FD_SET(tcp_fd, &rfds);
82 n = select(tcp_fd + 1, &rfds, NULL, NULL, &tv);
84 if (FD_ISSET(tcp_fd, &rfds)) {
85 RTSPMessageHeader reply;
87 if (ff_rtsp_read_reply(s, &reply, NULL, 0) < 0)
88 return AVERROR(EPIPE);
89 /* XXX: parse message */
90 if (rt->state != RTSP_STATE_STREAMING)
91 return AVERROR(EPIPE);
95 if (pkt->stream_index < 0 || pkt->stream_index >= rt->nb_rtsp_streams)
96 return AVERROR_INVALIDDATA;
97 rtsp_st = rt->rtsp_streams[pkt->stream_index];
98 rtpctx = rtsp_st->transport_priv;
100 /* Use a local packet for writing to the chained muxer, otherwise
101 * the internal stream_index = 0 becomes visible to the muxer user. */
103 local_pkt.stream_index = 0;
104 return av_write_frame(rtpctx, &local_pkt);
107 static int rtsp_write_close(AVFormatContext *s)
109 RTSPState *rt = s->priv_data;
112 snprintf(cmd, sizeof(cmd),
113 "TEARDOWN %s RTSP/1.0\r\n",
115 ff_rtsp_send_cmd_async(s, cmd);
117 ff_rtsp_close_streams(s);
118 url_close(rt->rtsp_hd);
123 AVOutputFormat rtsp_muxer = {
125 NULL_IF_CONFIG_SMALL("RTSP output format"),
134 .flags = AVFMT_NOFILE | AVFMT_GLOBALHEADER,