diff --git a/libavformat/Makefile b/libavformat/Makefile
index 5c0e34242e..9682ece804 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -242,6 +242,7 @@ OBJS-$(CONFIG_RTP_MUXER)                 += rtp.o         \
                                             rtpenc_latm.o    \
                                             rtpenc_amr.o     \
                                             rtpenc_h263.o    \
+                                            rtpenc_h263_rfc2190.o \
                                             rtpenc_mpv.o     \
                                             rtpenc.o      \
                                             rtpenc_h264.o \
diff --git a/libavformat/rtp.c b/libavformat/rtp.c
index b6b4b72aa3..6516779feb 100644
--- a/libavformat/rtp.c
+++ b/libavformat/rtp.c
@@ -106,7 +106,9 @@ int ff_rtp_get_payload_type(AVFormatContext *fmt, AVCodecContext *codec)
     /* static payload type */
     for (i = 0; AVRtpPayloadTypes[i].pt >= 0; ++i)
         if (AVRtpPayloadTypes[i].codec_id == codec->codec_id) {
-            if (codec->codec_id == CODEC_ID_H263)
+            if (codec->codec_id == CODEC_ID_H263 && (!fmt ||
+                !fmt->oformat->priv_class ||
+                !av_opt_flag_is_set(fmt->priv_data, "rtpflags", "rfc2190")))
                 continue;
             if (codec->codec_id == CODEC_ID_PCM_S16BE)
                 if (codec->channels != AVRtpPayloadTypes[i].audio_channels)
diff --git a/libavformat/rtpenc.c b/libavformat/rtpenc.c
index e19541798b..4d4e168c97 100644
--- a/libavformat/rtpenc.c
+++ b/libavformat/rtpenc.c
@@ -443,6 +443,11 @@ static int rtp_write_packet(AVFormatContext *s1, AVPacket *pkt)
         ff_rtp_send_h264(s1, pkt->data, size);
         break;
     case CODEC_ID_H263:
+        if (s->flags & FF_RTP_FLAG_RFC2190) {
+            ff_rtp_send_h263_rfc2190(s1, pkt->data, size);
+            break;
+        }
+        /* Fallthrough */
     case CODEC_ID_H263P:
         ff_rtp_send_h263(s1, pkt->data, size);
         break;
diff --git a/libavformat/rtpenc.h b/libavformat/rtpenc.h
index fdad24947b..ff423a55d1 100644
--- a/libavformat/rtpenc.h
+++ b/libavformat/rtpenc.h
@@ -64,15 +64,18 @@ struct RTPMuxContext {
 typedef struct RTPMuxContext RTPMuxContext;
 
 #define FF_RTP_FLAG_MP4A_LATM 1
+#define FF_RTP_FLAG_RFC2190   2
 
 #define FF_RTP_FLAG_OPTS(ctx, fieldname) \
     { "rtpflags", "RTP muxer flags", offsetof(ctx, fieldname), AV_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "rtpflags" }, \
     { "latm", "Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC", 0, AV_OPT_TYPE_CONST, {.dbl = FF_RTP_FLAG_MP4A_LATM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "rtpflags" }, \
+    { "rfc2190", "Use RFC 2190 packetization instead of RFC 4629 for H.263", 0, AV_OPT_TYPE_CONST, {.dbl = FF_RTP_FLAG_RFC2190}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "rtpflags" }, \
 
 void ff_rtp_send_data(AVFormatContext *s1, const uint8_t *buf1, int len, int m);
 
 void ff_rtp_send_h264(AVFormatContext *s1, const uint8_t *buf1, int size);
 void ff_rtp_send_h263(AVFormatContext *s1, const uint8_t *buf1, int size);
+void ff_rtp_send_h263_rfc2190(AVFormatContext *s1, const uint8_t *buf1, int size);
 void ff_rtp_send_aac(AVFormatContext *s1, const uint8_t *buff, int size);
 void ff_rtp_send_latm(AVFormatContext *s1, const uint8_t *buff, int size);
 void ff_rtp_send_amr(AVFormatContext *s1, const uint8_t *buff, int size);
@@ -80,4 +83,7 @@ void ff_rtp_send_mpegvideo(AVFormatContext *s1, const uint8_t *buf1, int size);
 void ff_rtp_send_xiph(AVFormatContext *s1, const uint8_t *buff, int size);
 void ff_rtp_send_vp8(AVFormatContext *s1, const uint8_t *buff, int size);
 
+const uint8_t *ff_h263_find_resync_marker_reverse(const uint8_t *restrict start,
+                                                  const uint8_t *restrict end);
+
 #endif /* AVFORMAT_RTPENC_H */
diff --git a/libavformat/rtpenc_h263.c b/libavformat/rtpenc_h263.c
index fbc696e1b4..87f0bd7981 100644
--- a/libavformat/rtpenc_h263.c
+++ b/libavformat/rtpenc_h263.c
@@ -23,8 +23,8 @@
 #include "avformat.h"
 #include "rtpenc.h"
 
-static const uint8_t *find_resync_marker_reverse(const uint8_t *restrict start,
-                                                 const uint8_t *restrict end)
+const uint8_t *ff_h263_find_resync_marker_reverse(const uint8_t *restrict start,
+                                                  const uint8_t *restrict end)
 {
     const uint8_t *p = end - 1;
     start += 1; /* Make sure we never return the original start. */
@@ -63,7 +63,8 @@ void ff_rtp_send_h263(AVFormatContext *s1, const uint8_t *buf1, int size)
 
         /* Look for a better place to split the frame into packets. */
         if (len < size) {
-            const uint8_t *end = find_resync_marker_reverse(buf1, buf1 + len);
+            const uint8_t *end = ff_h263_find_resync_marker_reverse(buf1,
+                                                                    buf1 + len);
             len = end - buf1;
         }
 
diff --git a/libavformat/rtpenc_h263_rfc2190.c b/libavformat/rtpenc_h263_rfc2190.c
new file mode 100644
index 0000000000..305c1a27c8
--- /dev/null
+++ b/libavformat/rtpenc_h263_rfc2190.c
@@ -0,0 +1,104 @@
+/*
+ * RTP packetization for H.263 video
+ * Copyright (c) 2012 Martin Storsjo
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ *
+ * Libav 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 Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "avformat.h"
+#include "rtpenc.h"
+#include "libavcodec/put_bits.h"
+#include "libavcodec/get_bits.h"
+
+struct H263Info {
+    int src;
+    int i;
+    int u;
+    int s;
+    int a;
+    int pb;
+    int tr;
+};
+
+static void send_mode_a(AVFormatContext *s1, const struct H263Info *info,
+                        const uint8_t *buf, int len, int m)
+{
+    RTPMuxContext *s = s1->priv_data;
+    PutBitContext pb;
+
+    init_put_bits(&pb, s->buf, 32);
+    put_bits(&pb, 1, 0); /* F - 0, mode A */
+    put_bits(&pb, 1, 0); /* P - 0, normal I/P */
+    put_bits(&pb, 3, 0); /* SBIT - 0 bits */
+    put_bits(&pb, 3, 0); /* EBIT - 0 bits */
+    put_bits(&pb, 3, info->src); /* SRC - source format */
+    put_bits(&pb, 1, info->i); /* I - inter/intra */
+    put_bits(&pb, 1, info->u); /* U - unrestricted motion vector */
+    put_bits(&pb, 1, info->s); /* S - syntax-baesd arithmetic coding */
+    put_bits(&pb, 1, info->a); /* A - advanced prediction */
+    put_bits(&pb, 4, 0); /* R - reserved */
+    put_bits(&pb, 2, 0); /* DBQ - 0 */
+    put_bits(&pb, 3, 0); /* TRB - 0 */
+    put_bits(&pb, 8, info->tr); /* TR */
+    flush_put_bits(&pb);
+    memcpy(s->buf + 4, buf, len);
+
+    ff_rtp_send_data(s1, s->buf, len + 4, m);
+}
+
+void ff_rtp_send_h263_rfc2190(AVFormatContext *s1, const uint8_t *buf, int size)
+{
+    RTPMuxContext *s = s1->priv_data;
+    int len;
+    GetBitContext gb;
+    struct H263Info info = { 0 };
+
+    s->timestamp = s->cur_timestamp;
+
+    init_get_bits(&gb, buf, size*8);
+    if (get_bits(&gb, 22) == 0x20) { /* Picture Start Code */
+        info.tr  = get_bits(&gb, 8);
+        skip_bits(&gb, 2); /* PTYPE start, H261 disambiguation */
+        skip_bits(&gb, 3); /* Split screen, document camera, freeze picture release */
+        info.src = get_bits(&gb, 3);
+        info.i   = get_bits(&gb, 1);
+        info.u   = get_bits(&gb, 1);
+        info.s   = get_bits(&gb, 1);
+        info.a   = get_bits(&gb, 1);
+        info.pb  = get_bits(&gb, 1);
+    }
+
+    while (size > 0) {
+        len = FFMIN(s->max_payload_size - 4, size);
+
+        /* Look for a better place to split the frame into packets. */
+        if (len < size) {
+            const uint8_t *end = ff_h263_find_resync_marker_reverse(buf,
+                                                                    buf + len);
+            len = end - buf;
+            if (len == s->max_payload_size - 4)
+                av_log(s1, AV_LOG_WARNING,
+                       "No GOB boundary found within MTU size, splitting at "
+                       "a random boundary\n");
+        }
+
+        send_mode_a(s1, &info, buf, len, len == size);
+
+        buf  += len;
+        size -= len;
+    }
+}
diff --git a/libavformat/sdp.c b/libavformat/sdp.c
index 5e0bf72050..b2c4f7bcd8 100644
--- a/libavformat/sdp.c
+++ b/libavformat/sdp.c
@@ -404,6 +404,9 @@ static char *sdp_write_media_attributes(char *buff, int size, AVCodecContext *c,
              * actually specifies the maximum video size, but we only know
              * the current size. This is required for playback on Android
              * stagefright and on Samsung bada. */
+            if (!fmt || !fmt->oformat->priv_class ||
+                !av_opt_flag_is_set(fmt->priv_data, "rtpflags", "rfc2190") ||
+                c->codec_id == CODEC_ID_H263P)
             av_strlcatf(buff, size, "a=rtpmap:%d H263-2000/90000\r\n"
                                     "a=framesize:%d %d-%d\r\n",
                                     payload_type,