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Unified Diff: patched-ffmpeg-mt/libavformat/rtspenc.c

Issue 789004: ffmpeg roll of source to mar 9 version... (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/ffmpeg/
Patch Set: '' Created 10 years, 9 months ago
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Index: patched-ffmpeg-mt/libavformat/rtspenc.c
===================================================================
--- patched-ffmpeg-mt/libavformat/rtspenc.c (revision 0)
+++ patched-ffmpeg-mt/libavformat/rtspenc.c (revision 0)
@@ -0,0 +1,136 @@
+/*
+ * RTSP muxer
+ * Copyright (c) 2010 Martin Storsjo
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "avformat.h"
+
+#include <sys/time.h>
+#if HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+#include "network.h"
+#include "rtsp.h"
+
+static int rtsp_write_record(AVFormatContext *s)
+{
+ RTSPState *rt = s->priv_data;
+ RTSPMessageHeader reply1, *reply = &reply1;
+ char cmd[1024];
+
+ snprintf(cmd, sizeof(cmd),
+ "RECORD %s RTSP/1.0\r\n"
+ "Range: npt=%0.3f-\r\n",
+ s->filename,
+ (double) 0);
+ ff_rtsp_send_cmd(s, cmd, reply, NULL);
+ if (reply->status_code != RTSP_STATUS_OK)
+ return -1;
+ rt->state = RTSP_STATE_STREAMING;
+ return 0;
+}
+
+static int rtsp_write_header(AVFormatContext *s)
+{
+ RTSPState *rt = s->priv_data;
+ int ret;
+
+ ret = ff_rtsp_connect(s);
+ if (ret)
+ return ret;
+
+ if (rtsp_write_record(s) < 0) {
+ ff_rtsp_close_streams(s);
+ url_close(rt->rtsp_hd);
+ return AVERROR_INVALIDDATA;
+ }
+ return 0;
+}
+
+static int rtsp_write_packet(AVFormatContext *s, AVPacket *pkt)
+{
+ RTSPState *rt = s->priv_data;
+ RTSPStream *rtsp_st;
+ fd_set rfds;
+ int n, tcp_fd;
+ struct timeval tv;
+ AVFormatContext *rtpctx;
+ AVPacket local_pkt;
+
+ FD_ZERO(&rfds);
+ tcp_fd = url_get_file_handle(rt->rtsp_hd);
+ FD_SET(tcp_fd, &rfds);
+
+ tv.tv_sec = 0;
+ tv.tv_usec = 0;
+ n = select(tcp_fd + 1, &rfds, NULL, NULL, &tv);
+ if (n > 0) {
+ if (FD_ISSET(tcp_fd, &rfds)) {
+ RTSPMessageHeader reply;
+
+ if (ff_rtsp_read_reply(s, &reply, NULL, 0) < 0)
+ return AVERROR(EPIPE);
+ /* XXX: parse message */
+ if (rt->state != RTSP_STATE_STREAMING)
+ return AVERROR(EPIPE);
+ }
+ }
+
+ if (pkt->stream_index < 0 || pkt->stream_index >= rt->nb_rtsp_streams)
+ return AVERROR_INVALIDDATA;
+ rtsp_st = rt->rtsp_streams[pkt->stream_index];
+ rtpctx = rtsp_st->transport_priv;
+
+ /* Use a local packet for writing to the chained muxer, otherwise
+ * the internal stream_index = 0 becomes visible to the muxer user. */
+ local_pkt = *pkt;
+ local_pkt.stream_index = 0;
+ return av_write_frame(rtpctx, &local_pkt);
+}
+
+static int rtsp_write_close(AVFormatContext *s)
+{
+ RTSPState *rt = s->priv_data;
+ char cmd[1024];
+
+ snprintf(cmd, sizeof(cmd),
+ "TEARDOWN %s RTSP/1.0\r\n",
+ s->filename);
+ ff_rtsp_send_cmd_async(s, cmd);
+
+ ff_rtsp_close_streams(s);
+ url_close(rt->rtsp_hd);
+ ff_network_close();
+ return 0;
+}
+
+AVOutputFormat rtsp_muxer = {
+ "rtsp",
+ NULL_IF_CONFIG_SMALL("RTSP output format"),
+ NULL,
+ NULL,
+ sizeof(RTSPState),
+ CODEC_ID_PCM_MULAW,
+ CODEC_ID_NONE,
+ rtsp_write_header,
+ rtsp_write_packet,
+ rtsp_write_close,
+ .flags = AVFMT_NOFILE | AVFMT_GLOBALHEADER,
+};
+

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