rtsp: Move rtsp_setup_output_streams into rtspenc.c

Originally committed as revision 25600 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/rtsp.c

@@ -1269,78 +1269,6 @@ static int rtsp_setup_input_streams(AVFormatContext *s, RTSPMessageHeader *reply
 static int rtsp_setup_input_streams(AVFormatContext *s, RTSPMessageHeader *reply);
 #endif /* !CONFIG_RTSP_DEMUXER */
 
-#if CONFIG_RTSP_MUXER
-static int rtsp_setup_output_streams(AVFormatContext *s, const char *addr)
-{
-    RTSPState *rt = s->priv_data;
-    RTSPMessageHeader reply1, *reply = &reply1;
-    int i;
-    char *sdp;
-    AVFormatContext sdp_ctx, *ctx_array[1];
-
-    s->start_time_realtime = av_gettime();
-
-    /* Announce the stream */
-    sdp = av_mallocz(SDP_MAX_SIZE);
-    if (sdp == NULL)
-        return AVERROR(ENOMEM);
-    /* We create the SDP based on the RTSP AVFormatContext where we
-     * aren't allowed to change the filename field. (We create the SDP
-     * based on the RTSP context since the contexts for the RTP streams
-     * don't exist yet.) In order to specify a custom URL with the actual
-     * peer IP instead of the originally specified hostname, we create
-     * a temporary copy of the AVFormatContext, where the custom URL is set.
-     *
-     * FIXME: Create the SDP without copying the AVFormatContext.
-     * This either requires setting up the RTP stream AVFormatContexts
-     * already here (complicating things immensely) or getting a more
-     * flexible SDP creation interface.
-     */
-    sdp_ctx = *s;
-    ff_url_join(sdp_ctx.filename, sizeof(sdp_ctx.filename),
-                "rtsp", NULL, addr, -1, NULL);
-    ctx_array[0] = &sdp_ctx;
-    if (avf_sdp_create(ctx_array, 1, sdp, SDP_MAX_SIZE)) {
-        av_free(sdp);
-        return AVERROR_INVALIDDATA;
-    }
-    av_log(s, AV_LOG_VERBOSE, "SDP:\n%s\n", sdp);
-    ff_rtsp_send_cmd_with_content(s, "ANNOUNCE", rt->control_uri,
-                                  "Content-Type: application/sdp\r\n",
-                                  reply, NULL, sdp, strlen(sdp));
-    av_free(sdp);
-    if (reply->status_code != RTSP_STATUS_OK)
-        return AVERROR_INVALIDDATA;
-
-    /* Set up the RTSPStreams for each AVStream */
-    for (i = 0; i < s->nb_streams; i++) {
-        RTSPStream *rtsp_st;
-        AVStream *st = s->streams[i];
-
-        rtsp_st = av_mallocz(sizeof(RTSPStream));
-        if (!rtsp_st)
-            return AVERROR(ENOMEM);
-        dynarray_add(&rt->rtsp_streams, &rt->nb_rtsp_streams, rtsp_st);
-
-        st->priv_data = rtsp_st;
-        rtsp_st->stream_index = i;
-
-        av_strlcpy(rtsp_st->control_url, rt->control_uri, sizeof(rtsp_st->control_url));
-        /* Note, this must match the relative uri set in the sdp content */
-        av_strlcatf(rtsp_st->control_url, sizeof(rtsp_st->control_url),
-                    "/streamid=%d", i);
-    }
-
-    return 0;
-}
-#else /* !CONFIG_RTSP_MUXER */
-/* A declaration of this function is needed so that the function is
- * defined when parsing the call to it, even if dead code elimination
- * will remove the call later.
- */
-static int rtsp_setup_output_streams(AVFormatContext *s, const char *addr);
-#endif /* !CONFIG_RTSP_MUXER */
-
 void ff_rtsp_close_connections(AVFormatContext *s)
 {
     RTSPState *rt = s->priv_data;
@@ -1559,7 +1487,7 @@ redirect:
     if (s->iformat && CONFIG_RTSP_DEMUXER)
         err = rtsp_setup_input_streams(s, reply);
     else if (CONFIG_RTSP_MUXER)
-        err = rtsp_setup_output_streams(s, host);
+        err = ff_rtsp_setup_output_streams(s, host);
     if (err)
         goto fail;
 

libavformat/rtsp.h

@@ -468,4 +468,10 @@ void ff_rtsp_close_streams(AVFormatContext *s);
  */
 void ff_rtsp_close_connections(AVFormatContext *rt);
 
+/**
+ * Announce the stream to the server and set up the RTSPStream child
+ * objects for each media stream.
+ */
+int ff_rtsp_setup_output_streams(AVFormatContext *s, const char *addr);
+
 #endif /* AVFORMAT_RTSP_H */

libavformat/rtspenc.c

@@ -29,6 +29,73 @@
 #include "rtsp.h"
 #include "internal.h"
 #include "libavutil/intreadwrite.h"
+#include "libavutil/avstring.h"
+
+#define SDP_MAX_SIZE 16384
+
+int ff_rtsp_setup_output_streams(AVFormatContext *s, const char *addr)
+{
+    RTSPState *rt = s->priv_data;
+    RTSPMessageHeader reply1, *reply = &reply1;
+    int i;
+    char *sdp;
+    AVFormatContext sdp_ctx, *ctx_array[1];
+
+    s->start_time_realtime = av_gettime();
+
+    /* Announce the stream */
+    sdp = av_mallocz(SDP_MAX_SIZE);
+    if (sdp == NULL)
+        return AVERROR(ENOMEM);
+    /* We create the SDP based on the RTSP AVFormatContext where we
+     * aren't allowed to change the filename field. (We create the SDP
+     * based on the RTSP context since the contexts for the RTP streams
+     * don't exist yet.) In order to specify a custom URL with the actual
+     * peer IP instead of the originally specified hostname, we create
+     * a temporary copy of the AVFormatContext, where the custom URL is set.
+     *
+     * FIXME: Create the SDP without copying the AVFormatContext.
+     * This either requires setting up the RTP stream AVFormatContexts
+     * already here (complicating things immensely) or getting a more
+     * flexible SDP creation interface.
+     */
+    sdp_ctx = *s;
+    ff_url_join(sdp_ctx.filename, sizeof(sdp_ctx.filename),
+                "rtsp", NULL, addr, -1, NULL);
+    ctx_array[0] = &sdp_ctx;
+    if (avf_sdp_create(ctx_array, 1, sdp, SDP_MAX_SIZE)) {
+        av_free(sdp);
+        return AVERROR_INVALIDDATA;
+    }
+    av_log(s, AV_LOG_VERBOSE, "SDP:\n%s\n", sdp);
+    ff_rtsp_send_cmd_with_content(s, "ANNOUNCE", rt->control_uri,
+                                  "Content-Type: application/sdp\r\n",
+                                  reply, NULL, sdp, strlen(sdp));
+    av_free(sdp);
+    if (reply->status_code != RTSP_STATUS_OK)
+        return AVERROR_INVALIDDATA;
+
+    /* Set up the RTSPStreams for each AVStream */
+    for (i = 0; i < s->nb_streams; i++) {
+        RTSPStream *rtsp_st;
+        AVStream *st = s->streams[i];
+
+        rtsp_st = av_mallocz(sizeof(RTSPStream));
+        if (!rtsp_st)
+            return AVERROR(ENOMEM);
+        dynarray_add(&rt->rtsp_streams, &rt->nb_rtsp_streams, rtsp_st);
+
+        st->priv_data = rtsp_st;
+        rtsp_st->stream_index = i;
+
+        av_strlcpy(rtsp_st->control_url, rt->control_uri, sizeof(rtsp_st->control_url));
+        /* Note, this must match the relative uri set in the sdp content */
+        av_strlcatf(rtsp_st->control_url, sizeof(rtsp_st->control_url),
+                    "/streamid=%d", i);
+    }
+
+    return 0;
+}
 
 static int rtsp_write_record(AVFormatContext *s)
 {