X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Frtsp.c;h=201938c0a56c6d4c50cb1c97dbb91b0d2c0df6ce;hb=03b078721c8e42c413da75f553e740d235092dad;hp=80f1047c5da00bbbb377073fe9bab6f8c2f18d65;hpb=2a56e65c3b3b53a3a51f290faa33ce0a852cd2a1;p=ffmpeg

diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c
index 80f1047c5da..201938c0a56 100644
--- a/libavformat/rtsp.c
+++ b/libavformat/rtsp.c
@@ -75,6 +75,9 @@
     { "audio", "Audio", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << AVMEDIA_TYPE_AUDIO}, 0, 0, DEC, "allowed_media_types" }, \
     { "data", "Data", 0, AV_OPT_TYPE_CONST, {.i64 = 1 << AVMEDIA_TYPE_DATA}, 0, 0, DEC, "allowed_media_types" }
 
+#define RTSP_REORDERING_OPTS() \
+    { "reorder_queue_size", "Number of packets to buffer for handling of reordered packets", OFFSET(reordering_queue_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, DEC }
+
 const AVOption ff_rtsp_options[] = {
     { "initial_pause",  "Don't start playing the stream immediately", OFFSET(initial_pause), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, DEC },
     FF_RTP_FLAG_OPTS(RTSPState, rtp_muxer_flags),
@@ -88,17 +91,20 @@ const AVOption ff_rtsp_options[] = {
     { "min_port", "Minimum local UDP port", OFFSET(rtp_port_min), AV_OPT_TYPE_INT, {.i64 = RTSP_RTP_PORT_MIN}, 0, 65535, DEC|ENC },
     { "max_port", "Maximum local UDP port", OFFSET(rtp_port_max), AV_OPT_TYPE_INT, {.i64 = RTSP_RTP_PORT_MAX}, 0, 65535, DEC|ENC },
     { "timeout", "Maximum timeout (in seconds) to wait for incoming connections. -1 is infinite. Implies flag listen", OFFSET(initial_timeout), AV_OPT_TYPE_INT, {.i64 = -1}, INT_MIN, INT_MAX, DEC },
+    RTSP_REORDERING_OPTS(),
     { NULL },
 };
 
 static const AVOption sdp_options[] = {
     RTSP_FLAG_OPTS("sdp_flags", "SDP flags"),
     RTSP_MEDIATYPE_OPTS("allowed_media_types", "Media types to accept from the server"),
+    RTSP_REORDERING_OPTS(),
     { NULL },
 };
 
 static const AVOption rtp_options[] = {
     RTSP_FLAG_OPTS("rtp_flags", "RTP flags"),
+    RTSP_REORDERING_OPTS(),
     { NULL },
 };
 
@@ -608,6 +614,13 @@ int ff_rtsp_open_transport_ctx(AVFormatContext *s, RTSPStream *rtsp_st)
 {
     RTSPState *rt = s->priv_data;
     AVStream *st = NULL;
+    int reordering_queue_size = rt->reordering_queue_size;
+    if (reordering_queue_size < 0) {
+        if (rt->lower_transport == RTSP_LOWER_TRANSPORT_TCP || !s->max_delay)
+            reordering_queue_size = 0;
+        else
+            reordering_queue_size = RTP_REORDER_QUEUE_DEFAULT_SIZE;
+    }
 
     /* open the RTP context */
     if (rtsp_st->stream_index >= 0)
@@ -632,8 +645,7 @@ int ff_rtsp_open_transport_ctx(AVFormatContext *s, RTSPStream *rtsp_st)
     else if (CONFIG_RTPDEC)
         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);
+                                         reordering_queue_size);
 
     if (!rtsp_st->transport_priv) {
          return AVERROR(ENOMEM);
@@ -754,8 +766,10 @@ static void rtsp_parse_transport(RTSPMessageHeader *reply, const char *p)
                     th->lower_transport = RTSP_LOWER_TRANSPORT_UDP_MULTICAST;
             } else if (!strcmp(parameter, "ttl")) {
                 if (*p == '=') {
+                    char *end;
                     p++;
-                    th->ttl = strtol(p, (char **)&p, 10);
+                    th->ttl = strtol(p, &end, 10);
+                    p = end;
                 }
             } else if (!strcmp(parameter, "destination")) {
                 if (*p == '=') {
@@ -1793,7 +1807,7 @@ int ff_rtsp_fetch_packet(AVFormatContext *s, AVPacket *pkt)
                 ret = rt->recvbuf_pos < rt->recvbuf_len;
             }
         } else
-            av_assert0(0);
+            ret = -1;
         if (ret == 0) {
             rt->cur_transport_priv = NULL;
             return 0;