diff --git a/ext/libav/gstavauddec.c b/ext/libav/gstavauddec.c
index 1c084d649b..1e1e4fa100 100644
--- a/ext/libav/gstavauddec.c
+++ b/ext/libav/gstavauddec.c
@@ -132,7 +132,7 @@ static void
 gst_ffmpegauddec_init (GstFFMpegAudDec * ffmpegdec)
 {
   /* some ffmpeg data */
-  ffmpegdec->context = avcodec_alloc_context ();
+  ffmpegdec->context = avcodec_alloc_context3 (NULL);
   ffmpegdec->opened = FALSE;
 
   gst_audio_decoder_set_drainable (GST_AUDIO_DECODER (ffmpegdec), TRUE);
@@ -317,7 +317,7 @@ gst_ffmpegauddec_set_format (GstAudioDecoder * decoder, GstCaps * caps)
 
   /* workaround encoder bugs */
   ffmpegdec->context->workaround_bugs |= FF_BUG_AUTODETECT;
-  ffmpegdec->context->error_recognition = 1;
+  ffmpegdec->context->err_recognition = 1;
 
   ffmpegdec->context->opaque = ffmpegdec;
   ffmpegdec->context->get_buffer = gst_ffmpegauddec_get_buffer;
diff --git a/ext/libav/gstavaudenc.c b/ext/libav/gstavaudenc.c
index ea7498cd9f..e7588b0a2c 100644
--- a/ext/libav/gstavaudenc.c
+++ b/ext/libav/gstavaudenc.c
@@ -391,7 +391,7 @@ gst_ffmpegaudenc_encode_audio (GstFFMpegAudEnc * ffmpegaudenc,
 
   if (*have_data) {
     GstBuffer *outbuf;
-    AVCodec *codec;
+    const AVCodec *codec;
 
     GST_LOG_OBJECT (ffmpegaudenc, "pushing size %d", pkt.size);
 
@@ -589,7 +589,7 @@ gst_ffmpegaudenc_register (GstPlugin * plugin)
     }
 
     /* only encoders */
-    if (!in_plugin->encode) {
+    if (!in_plugin->encode2) {
       goto next;
     }
 
diff --git a/ext/libav/gstavcfg.c b/ext/libav/gstavcfg.c
index 5a0b56f6d7..4ce9456f46 100644
--- a/ext/libav/gstavcfg.c
+++ b/ext/libav/gstavcfg.c
@@ -147,7 +147,6 @@ gst_ffmpeg_dct_algo_get_type (void)
       {FF_DCT_FASTINT, "Fast Integer", "fastint"},
       {FF_DCT_INT, "Accurate Integer", "int"},
       {FF_DCT_MMX, "MMX", "mmx"},
-      {FF_DCT_MLIB, "MLIB", "mlib"},
       {FF_DCT_ALTIVEC, "ALTIVEC", "altivec"},
       {FF_DCT_FAAN, "FAAN", "faan"},
       {0, NULL, NULL},
@@ -173,8 +172,6 @@ gst_ffmpeg_idct_algo_get_type (void)
       {FF_IDCT_SIMPLE, "Simple", "simple"},
       {FF_IDCT_SIMPLEMMX, "Simple MMX", "simplemmx"},
       {FF_IDCT_LIBMPEG2MMX, "LIBMPEG2MMX", "libmpeg2mmx"},
-      {FF_IDCT_PS2, "PS2", "ps2"},
-      {FF_IDCT_MLIB, "MLIB", "mlib"},
       {FF_IDCT_ARM, "ARM", "arm"},
       {FF_IDCT_ALTIVEC, "ALTIVEC", "altivec"},
       {FF_IDCT_SH4, "SH4", "sh4"},
@@ -263,16 +260,11 @@ gst_ffmpeg_flags_get_type (void)
 
   if (!ffmpeg_flags_type) {
     static const GFlagsValue ffmpeg_flags[] = {
-      {CODEC_FLAG_OBMC, "Use overlapped block motion compensation (h263+)",
-          "obmc"},
       {CODEC_FLAG_QSCALE, "Use fixed qscale", "qscale"},
       {CODEC_FLAG_4MV, "Allow 4 MV per MB", "4mv"},
-      {CODEC_FLAG_H263P_AIV, "H.263 alternative inter VLC", "aiv"},
       {CODEC_FLAG_QPEL, "Quartel Pel Motion Compensation", "qpel"},
       {CODEC_FLAG_GMC, "GMC", "gmc"},
       {CODEC_FLAG_MV0, "Always try a MB with MV (0,0)", "mv0"},
-      {CODEC_FLAG_PART,
-          "Store MV, DC and AC coefficients in seperate partitions", "part"},
       {CODEC_FLAG_LOOP_FILTER, "Loop filter", "loop-filter"},
       {CODEC_FLAG_GRAY, "Only decode/encode grayscale", "gray"},
       {CODEC_FLAG_NORMALIZE_AQP,
@@ -282,13 +274,9 @@ gst_ffmpeg_flags_get_type (void)
           "global-headers"},
       {CODEC_FLAG_AC_PRED, "H263 Advanced Intra Coding / MPEG4 AC prediction",
           "aic"},
-      {CODEC_FLAG_H263P_UMV, "Unlimited Motion Vector", "umv"},
       {CODEC_FLAG_CBP_RD, "Rate Distoration Optimization for CBP", "cbp-rd"},
       {CODEC_FLAG_QP_RD, "Rate Distoration Optimization for QP selection",
           "qp-rd"},
-      {CODEC_FLAG_H263P_SLICE_STRUCT, "H263 slice struct", "ss"},
-      {CODEC_FLAG_SVCD_SCAN_OFFSET,
-          "Reserve space for SVCD scan offset user data", "scanoffset"},
       {CODEC_FLAG_CLOSED_GOP, "Closed GOP", "closedgop"},
       {0, NULL, NULL},
     };
diff --git a/ext/libav/gstavdemux.c b/ext/libav/gstavdemux.c
index c744e56ed1..a964964c6f 100644
--- a/ext/libav/gstavdemux.c
+++ b/ext/libav/gstavdemux.c
@@ -1138,8 +1138,8 @@ gst_ffmpegdemux_open (GstFFMpegDemux * demux)
     location = g_strdup_printf ("gstpipe://%p", &demux->ffpipe);
   GST_DEBUG_OBJECT (demux, "about to call av_open_input_file %s", location);
 
-  res = av_open_input_file (&demux->context, location,
-      oclass->in_plugin, 0, NULL);
+  res = avformat_open_input (&demux->context, location,
+      oclass->in_plugin, NULL);
 
   g_free (location);
   GST_DEBUG_OBJECT (demux, "av_open_input returned %d", res);
diff --git a/ext/libav/gstavmux.c b/ext/libav/gstavmux.c
index fad4a653e8..fb981fe7c2 100644
--- a/ext/libav/gstavmux.c
+++ b/ext/libav/gstavmux.c
@@ -57,7 +57,6 @@ struct _GstFFMpegMux
   /*< private > */
   /* event_function is the collectpads default eventfunction */
   GstPadEventFunction event_function;
-  int preload;
   int max_delay;
 };
 
@@ -295,8 +294,8 @@ gst_ffmpegmux_class_init (GstFFMpegMuxClass * klass)
 
   g_object_class_install_property (gobject_class, PROP_PRELOAD,
       g_param_spec_int ("preload", "preload",
-          "Set the initial demux-decode delay (in microseconds)", 0, G_MAXINT,
-          0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+          "Set the initial demux-decode delay (in microseconds) (DEPRECATED)",
+          0, G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_property (gobject_class, PROP_MAXDELAY,
       g_param_spec_int ("maxdelay", "maxdelay",
@@ -333,7 +332,6 @@ gst_ffmpegmux_init (GstFFMpegMux * ffmpegmux, GstFFMpegMuxClass * g_class)
 
   ffmpegmux->videopads = 0;
   ffmpegmux->audiopads = 0;
-  ffmpegmux->preload = 0;
   ffmpegmux->max_delay = 0;
 }
 
@@ -347,7 +345,6 @@ gst_ffmpegmux_set_property (GObject * object, guint prop_id,
 
   switch (prop_id) {
     case PROP_PRELOAD:
-      src->preload = g_value_get_int (value);
       break;
     case PROP_MAXDELAY:
       src->max_delay = g_value_get_int (value);
@@ -368,7 +365,6 @@ gst_ffmpegmux_get_property (GObject * object, guint prop_id, GValue * value,
 
   switch (prop_id) {
     case PROP_PRELOAD:
-      g_value_set_int (value, src->preload);
       break;
     case PROP_MAXDELAY:
       g_value_set_int (value, src->max_delay);
@@ -439,10 +435,10 @@ gst_ffmpegmux_request_new_pad (GstElement * element,
   gst_element_add_pad (element, pad);
 
   /* AVStream needs to be created */
-  st = av_new_stream (ffmpegmux->context, collect_pad->padnum);
+  st = avformat_new_stream (ffmpegmux->context, NULL);
+  st->id = collect_pad->padnum;
   st->codec->codec_type = type;
   st->codec->codec_id = CODEC_ID_NONE;  /* this is a check afterwards */
-  st->stream_copy = 1;          /* we're not the actual encoder */
   st->codec->bit_rate = bitrate;
   st->codec->frame_size = framesize;
   /* we fill in codec during capsnego */
@@ -474,7 +470,6 @@ gst_ffmpegmux_setcaps (GstPad * pad, GstCaps * caps)
   collect_pad = (GstFFMpegMuxPad *) gst_pad_get_element_private (pad);
 
   st = ffmpegmux->context->streams[collect_pad->padnum];
-  ffmpegmux->context->preload = ffmpegmux->preload;
   ffmpegmux->context->max_delay = ffmpegmux->max_delay;
 
   /* for the format-specific guesses, we'll go to
@@ -548,7 +543,7 @@ gst_ffmpegmux_collected (GstCollectPads * pads, gpointer user_data)
 
   /* open "file" (gstreamer protocol to next element) */
   if (!ffmpegmux->opened) {
-    int open_flags = URL_WRONLY;
+    int open_flags = AVIO_FLAG_WRITE;
 
     /* we do need all streams to have started capsnego,
      * or things will go horribly wrong */
@@ -642,19 +637,13 @@ gst_ffmpegmux_collected (GstCollectPads * pads, gpointer user_data)
       open_flags |= GST_FFMPEG_URL_STREAMHEADER;
     }
 
-    if (url_fopen (&ffmpegmux->context->pb,
+    if (avio_open (&ffmpegmux->context->pb,
             ffmpegmux->context->filename, open_flags) < 0) {
       GST_ELEMENT_ERROR (ffmpegmux, LIBRARY, TOO_LAZY, (NULL),
           ("Failed to open stream context in avmux"));
       return GST_FLOW_ERROR;
     }
 
-    if (av_set_parameters (ffmpegmux->context, NULL) < 0) {
-      GST_ELEMENT_ERROR (ffmpegmux, LIBRARY, INIT, (NULL),
-          ("Failed to initialize muxer"));
-      return GST_FLOW_ERROR;
-    }
-
     /* now open the mux format */
     if (avformat_write_header (ffmpegmux->context, NULL) < 0) {
       GST_ELEMENT_ERROR (ffmpegmux, LIBRARY, SETTINGS, (NULL),
@@ -666,7 +655,7 @@ gst_ffmpegmux_collected (GstCollectPads * pads, gpointer user_data)
     ffmpegmux->opened = TRUE;
 
     /* flush the header so it will be used as streamheader */
-    put_flush_packet (ffmpegmux->context->pb);
+    avio_flush (ffmpegmux->context->pb);
   }
 
   /* take the one with earliest timestamp,
@@ -773,8 +762,8 @@ gst_ffmpegmux_collected (GstCollectPads * pads, gpointer user_data)
     /* close down */
     av_write_trailer (ffmpegmux->context);
     ffmpegmux->opened = FALSE;
-    put_flush_packet (ffmpegmux->context->pb);
-    url_fclose (ffmpegmux->context->pb);
+    avio_flush (ffmpegmux->context->pb);
+    avio_close (ffmpegmux->context->pb);
     gst_pad_push_event (ffmpegmux->srcpad, gst_event_new_eos ());
     return GST_FLOW_EOS;
   }
@@ -812,7 +801,7 @@ gst_ffmpegmux_change_state (GstElement * element, GstStateChange transition)
       gst_tag_setter_reset_tags (GST_TAG_SETTER (ffmpegmux));
       if (ffmpegmux->opened) {
         ffmpegmux->opened = FALSE;
-        url_fclose (ffmpegmux->context->pb);
+        avio_close (ffmpegmux->context->pb);
       }
       break;
     case GST_STATE_CHANGE_READY_TO_NULL:
diff --git a/ext/libav/gstavutils.c b/ext/libav/gstavutils.c
index 7a8fd7467c..fc91812c5b 100644
--- a/ext/libav/gstavutils.c
+++ b/ext/libav/gstavutils.c
@@ -26,6 +26,8 @@
 #include <sys/sysctl.h>
 #endif
 
+#include <libavutil/mem.h>
+
 G_CONST_RETURN gchar *
 gst_ffmpeg_get_codecid_longname (enum CodecID codec_id)
 {
diff --git a/ext/libav/gstavviddec.c b/ext/libav/gstavviddec.c
index 0ddd6283e8..8e069f1b57 100644
--- a/ext/libav/gstavviddec.c
+++ b/ext/libav/gstavviddec.c
@@ -241,7 +241,7 @@ static void
 gst_ffmpegviddec_init (GstFFMpegVidDec * ffmpegdec)
 {
   /* some ffmpeg data */
-  ffmpegdec->context = avcodec_alloc_context ();
+  ffmpegdec->context = avcodec_alloc_context3 (NULL);
   ffmpegdec->picture = avcodec_alloc_frame ();
   ffmpegdec->opened = FALSE;
   ffmpegdec->skip_frame = ffmpegdec->lowres = 0;
@@ -394,7 +394,7 @@ gst_ffmpegviddec_set_format (GstVideoDecoder * decoder,
 
   /* workaround encoder bugs */
   ffmpegdec->context->workaround_bugs |= FF_BUG_AUTODETECT;
-  ffmpegdec->context->error_recognition = 1;
+  ffmpegdec->context->err_recognition = 1;
 
   /* for slow cpus */
   ffmpegdec->context->lowres = ffmpegdec->lowres;
diff --git a/ext/libav/gstavvidenc.c b/ext/libav/gstavvidenc.c
index 51f4ab91a9..8dd5a0db94 100644
--- a/ext/libav/gstavvidenc.c
+++ b/ext/libav/gstavvidenc.c
@@ -220,7 +220,7 @@ static void
 gst_ffmpegvidenc_init (GstFFMpegVidEnc * ffmpegenc)
 {
   /* ffmpeg objects */
-  ffmpegenc->context = avcodec_alloc_context ();
+  ffmpegenc->context = avcodec_alloc_context3 (NULL);
   ffmpegenc->picture = avcodec_alloc_frame ();
   ffmpegenc->opened = FALSE;
 
@@ -236,7 +236,7 @@ gst_ffmpegvidenc_init (GstFFMpegVidEnc * ffmpegenc)
   ffmpegenc->lmax = 31;
   ffmpegenc->max_key_interval = 0;
 
-  gst_ffmpeg_cfg_set_defaults3 (ffmpegenc, NULL);
+  gst_ffmpeg_cfg_set_defaults (ffmpegenc);
 }
 
 static void
@@ -328,7 +328,7 @@ gst_ffmpegvidenc_getcaps (GstVideoEncoder * encoder, GstCaps * filter)
 
     /* need to start with a fresh codec_context each time around, since
      * codec_close may have released stuff causing the next pass to segfault */
-    ctx = avcodec_alloc_context ();
+    ctx = avcodec_alloc_context3 (NULL);
     if (!ctx) {
       GST_DEBUG_OBJECT (ffmpegenc, "no context");
       break;
@@ -981,7 +981,7 @@ gst_ffmpegvidenc_register (GstPlugin * plugin)
     }
 
     /* only video encoders */
-    if (!in_plugin->encode || in_plugin->type != AVMEDIA_TYPE_VIDEO)
+    if (!in_plugin->encode2 || in_plugin->type != AVMEDIA_TYPE_VIDEO)
       goto next;
 
     /* FIXME : We should have a method to know cheaply whether we have a mapping