diff --git a/doc/protocols.texi b/doc/protocols.texi index 0eb4c69b498800e8fea32af16c096deb69c8067d..b08233ec8056889d5372211c0b73f4108782b3b9 100644 --- a/doc/protocols.texi +++ b/doc/protocols.texi @@ -288,9 +288,9 @@ Accept packets only from negotiated peer address and port. @end table When receiving data over UDP, the demuxer tries to reorder received packets -(since they may arrive out of order, or packets may get lost totally). In -order for this to be enabled, a maximum delay must be specified in the -@code{max_delay} field of AVFormatContext. +(since they may arrive out of order, or packets may get lost totally). This +can be disabled by setting the maximum demuxing delay to zero (via +the @code{max_delay} field of AVFormatContext). When watching multi-bitrate Real-RTSP streams with @file{avplay}, the streams to display can be chosen with @code{-vst} @var{n} and diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c index 7afd106cfb231b823fab8dc5da2ea5f4491506a9..07cf80992e17a192a49f7a0b2ac6bac65f590513 100644 --- a/libavformat/rtsp.c +++ b/libavformat/rtsp.c @@ -56,6 +56,7 @@ #define MAX_TIMEOUTS READ_PACKET_TIMEOUT_S * 1000 / POLL_TIMEOUT_MS #define SDP_MAX_SIZE 16384 #define RECVBUF_SIZE 10 * RTP_MAX_PACKET_LENGTH +#define DEFAULT_REORDERING_DELAY 100000 #define OFFSET(x) offsetof(RTSPState, x) #define DEC AV_OPT_FLAG_DECODING_PARAM @@ -1427,7 +1428,7 @@ int ff_rtsp_connect(AVFormatContext *s) return AVERROR(EIO); if (s->max_delay < 0) /* Not set by the caller */ - s->max_delay = 0; + s->max_delay = s->iformat ? DEFAULT_REORDERING_DELAY : 0; rt->control_transport = RTSP_MODE_PLAIN; if (rt->lower_transport_mask & (1 << RTSP_LOWER_TRANSPORT_HTTP)) { @@ -1870,7 +1871,7 @@ static int sdp_read_header(AVFormatContext *s) return AVERROR(EIO); if (s->max_delay < 0) /* Not set by the caller */ - s->max_delay = 0; + s->max_delay = DEFAULT_REORDERING_DELAY; /* read the whole sdp file */ /* XXX: better loading */