diff --git a/ffmpeg.c b/ffmpeg.c
index 4d8c436faa..2adaadba1d 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -117,6 +117,8 @@ static int do_deinterlace = 0;
 static int workaround_bugs = 0;
 static int error_resilience = 0;
 static int dct_algo = 0;
+static int use_part = 0;
+static int packet_size = 0;
 
 static int gop_size = 12;
 static int intra_only = 0;
@@ -1570,6 +1572,11 @@ void opt_i_qoffset(const char *arg)
     video_i_qoffset = atof(arg);
 }
 
+void opt_packet_size(const char *arg)
+{
+    packet_size= atoi(arg);
+}
+
 void opt_audio_bitrate(const char *arg)
 {
     audio_bit_rate = atoi(arg) * 1000;
@@ -1886,6 +1893,10 @@ void opt_output_file(const char *filename)
                 video_enc->flags |= CODEC_FLAG_4MV;
             }
             
+            if(use_part)
+                video_enc->flags |= CODEC_FLAG_PART;
+               
+            
             if (b_frames) {
                 if (codec_id != CODEC_ID_MPEG4) {
                     fprintf(stderr, "\nB frames encoding only supported by MPEG-4.\n");
@@ -1911,6 +1922,10 @@ void opt_output_file(const char *filename)
             video_enc->i_quant_offset = video_i_qoffset;
             video_enc->b_quant_offset = video_b_qoffset;
             video_enc->dct_algo = dct_algo;
+            if(packet_size){
+                video_enc->rtp_mode= 1;
+                video_enc->rtp_payload_size= packet_size;
+            }
             
             if (do_psnr)
                 video_enc->get_psnr = 1;
@@ -2276,7 +2291,9 @@ const OptionDef options[] = {
     { "bf", HAS_ARG | OPT_EXPERT, {(void*)opt_b_frames}, "use 'frames' B frames (only MPEG-4)", "frames" },
     { "hq", OPT_BOOL | OPT_EXPERT, {(void*)&use_hq}, "activate high quality settings" },
     { "4mv", OPT_BOOL | OPT_EXPERT, {(void*)&use_4mv}, "use four motion vector by macroblock (only MPEG-4)" },
+    { "part", OPT_BOOL | OPT_EXPERT, {(void*)&use_part}, "use data partitioning (only MPEG-4)" },
     { "bug", HAS_ARG | OPT_EXPERT, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" },
+    { "ps", HAS_ARG | OPT_EXPERT, {(void*)opt_packet_size}, "packet size", "size in bits" },
     { "sameq", OPT_BOOL, {(void*)&same_quality}, 
       "use same video quality as source (implies VBR)" },
     /* audio options */
diff --git a/tests/ffmpeg.regression.ref b/tests/ffmpeg.regression.ref
index 7dd3014fa2..bcb107b35f 100644
--- a/tests/ffmpeg.regression.ref
+++ b/tests/ffmpeg.regression.ref
@@ -11,6 +11,10 @@ abe11239875a32f00fa2910828bba4fb *./data/a-h263.avi
 c1f6c8ee7a24d8345deddf1a24ca3756 *./data/out.yuv
 440192aca11c310e01168ec24ea7807e *./data/a-odivx.avi
 145c98a175e760f8ba1997edf15b2964 *./data/out.yuv
+e68a6f6f8a228605cc4b131b100e06df *./data/a-mpeg4-rc.avi
+d63755afb8a7bb851d1da7a54786acbb *./data/out.yuv
+f5f44dad09c2d4d16524e539645f693c *./data/a-mpeg4-adv.avi
+d0f077a3b42367d7432b73c0ddad7438 *./data/out.yuv
 2846c8e3d97d7395eb746bfce44e0443 *./data/a-mjpeg.avi
 278033451d7a6bfeb8339abbe4228499 *./data/out.yuv
 202adaf59c09d703b55fc7dd95eace25 *./data/a-rv10.rm
diff --git a/tests/regression.sh b/tests/regression.sh
index cd64d398f2..081f58c33e 100755
--- a/tests/regression.sh
+++ b/tests/regression.sh
@@ -29,6 +29,8 @@ else
     do_rv10=y
     do_mp2=y
     do_ac3=y
+    do_rc=y
+    do_mpeg4adv=y
 fi
 
 
@@ -133,6 +135,26 @@ do_ffmpeg $file -y -qscale 10 -f pgmyuv -i $raw_src -an -vcodec mpeg4 $file
 do_ffmpeg $raw_dst -y -i $file -f rawvideo $raw_dst 
 fi
 
+###################################
+if [ -n "$do_rc" ] ; then
+# mpeg4 rate control
+file=${outfile}mpeg4-rc.avi
+do_ffmpeg $file -y -b 400 -bf 2 -f pgmyuv -i $raw_src -an -vcodec mpeg4 $file
+
+# mpeg4 rate control decoding
+do_ffmpeg $raw_dst -y -i $file -f rawvideo $raw_dst 
+fi
+
+###################################
+if [ -n "$do_mpeg4adv" ] ; then
+# mpeg4
+file=${outfile}mpeg4-adv.avi
+do_ffmpeg $file -y -qscale 9 -4mv -hq -part -ps 1000 -f pgmyuv -i $raw_src -an -vcodec mpeg4 $file
+
+# mpeg4 decoding
+do_ffmpeg $raw_dst -y -i $file -f rawvideo $raw_dst 
+fi
+
 ###################################
 if [ -n "$do_mjpeg" ] ; then
 # mjpeg