diff --git a/Changelog b/Changelog
index 49990be7fe..5e38a9b480 100644
--- a/Changelog
+++ b/Changelog
@@ -17,7 +17,7 @@ version <next>:
 - native VP8 decoder
 - RTSP tunneling over HTTP
 - RTP depacketization of SVQ3
-
+- -strict inofficial replaced by -strict unofficial
 
 
 version 0.6:
diff --git a/doc/APIchanges b/doc/APIchanges
index badb49d5f7..5efcd7b6fe 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -12,6 +12,9 @@ libavutil:   2009-03-08
 
 API changes, most recent first:
 
+2010-06-29 - r23885 - lavc 52.79.0
+  Added FF_COMPLIANCE_UNOFFICIAL and changed all instances of FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL
+
 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()
   Extend av_parse_color() syntax, make it accept an alpha value specifier and
   set the alpha value to 255 by default.
diff --git a/ffmpeg.c b/ffmpeg.c
index e5d8b260a9..908c384d8c 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -688,7 +688,7 @@ static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
         }
         if(*p == -1
            && !(   st->codec->codec_id==CODEC_ID_MJPEG
-                && st->codec->strict_std_compliance <= FF_COMPLIANCE_INOFFICIAL
+                && st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL
                 && (   st->codec->pix_fmt == PIX_FMT_YUV420P
                     || st->codec->pix_fmt == PIX_FMT_YUV422P)))
             st->codec->pix_fmt = codec->pix_fmts[0];
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 77d8349f20..11ef87b5bb 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -30,7 +30,7 @@
 #include "libavutil/avutil.h"
 
 #define LIBAVCODEC_VERSION_MAJOR 52
-#define LIBAVCODEC_VERSION_MINOR 78
+#define LIBAVCODEC_VERSION_MINOR 79
 #define LIBAVCODEC_VERSION_MICRO  1
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
@@ -1352,10 +1352,10 @@ typedef struct AVCodecContext {
      * - encoding: Set by user.
      * - decoding: Set by user.
      * Setting this to STRICT or higher means the encoder and decoder will
-     * generally do stupid things, whereas setting it to inofficial or lower
+     * generally do stupid things, whereas setting it to unofficial or lower
      * will mean the encoder might produce output that is not supported by all
      * spec-compliant decoders. Decoders don't differentiate between normal,
-     * inofficial and experimental (that is, they always try to decode things
+     * unofficial and experimental (that is, they always try to decode things
      * when they can) unless they are explicitly asked to behave stupidly
      * (=strictly conform to the specs)
      */
@@ -1363,7 +1363,10 @@ typedef struct AVCodecContext {
 #define FF_COMPLIANCE_VERY_STRICT   2 ///< Strictly conform to an older more strict version of the spec or reference software.
 #define FF_COMPLIANCE_STRICT        1 ///< Strictly conform to all the things in the spec no matter what consequences.
 #define FF_COMPLIANCE_NORMAL        0
-#define FF_COMPLIANCE_INOFFICIAL   -1 ///< Allow inofficial extensions.
+#if LIBAVCODEC_VERSION_MAJOR < 53
+#define FF_COMPLIANCE_INOFFICIAL   -1 ///< Allow inofficial extensions (deprecated - use FF_COMPLIANCE_UNOFFICIAL instead).
+#endif
+#define FF_COMPLIANCE_UNOFFICIAL   -1 ///< Allow unofficial extensions
 #define FF_COMPLIANCE_EXPERIMENTAL -2 ///< Allow nonstandardized experimental things.
 
     /**
diff --git a/libavcodec/libgsm.c b/libavcodec/libgsm.c
index 1062099a7a..a7bc68ad71 100644
--- a/libavcodec/libgsm.c
+++ b/libavcodec/libgsm.c
@@ -54,7 +54,7 @@ static av_cold int libgsm_init(AVCodecContext *avctx) {
         if (avctx->sample_rate != 8000) {
             av_log(avctx, AV_LOG_ERROR, "Sample rate 8000Hz required for GSM, got %dHz\n",
                 avctx->sample_rate);
-            if(avctx->strict_std_compliance > FF_COMPLIANCE_INOFFICIAL)
+            if(avctx->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL)
                 return -1;
         }
         if (avctx->bit_rate != 13000 /* Official */ &&
@@ -62,7 +62,7 @@ static av_cold int libgsm_init(AVCodecContext *avctx) {
             avctx->bit_rate != 0 /* Unknown; a.o. mov does not set bitrate when decoding */ ) {
             av_log(avctx, AV_LOG_ERROR, "Bitrate 13000bps required for GSM, got %dbps\n",
                 avctx->bit_rate);
-            if(avctx->strict_std_compliance > FF_COMPLIANCE_INOFFICIAL)
+            if(avctx->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL)
                 return -1;
         }
     }
diff --git a/libavcodec/mpeg12enc.c b/libavcodec/mpeg12enc.c
index bf36129029..6868e2a206 100644
--- a/libavcodec/mpeg12enc.c
+++ b/libavcodec/mpeg12enc.c
@@ -119,7 +119,7 @@ static int find_frame_rate_index(MpegEncContext *s){
     for(i=1;i<14;i++) {
         int64_t n0= 1001LL/ff_frame_rate_tab[i].den*ff_frame_rate_tab[i].num*s->avctx->time_base.num;
         int64_t n1= 1001LL*s->avctx->time_base.den;
-        if(s->avctx->strict_std_compliance > FF_COMPLIANCE_INOFFICIAL && i>=9) break;
+        if(s->avctx->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL && i>=9) break;
 
         d = FFABS(n0 - n1);
         if(d < dmin){
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index a8616d0ae8..9f8682cae5 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -254,7 +254,7 @@ av_cold int MPV_encode_init(AVCodecContext *avctx)
     case CODEC_ID_LJPEG:
     case CODEC_ID_MJPEG:
         if(avctx->pix_fmt != PIX_FMT_YUVJ420P && avctx->pix_fmt != PIX_FMT_YUVJ422P && avctx->pix_fmt != PIX_FMT_RGB32 &&
-           ((avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P) || avctx->strict_std_compliance>FF_COMPLIANCE_INOFFICIAL)){
+           ((avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P) || avctx->strict_std_compliance>FF_COMPLIANCE_UNOFFICIAL)){
             av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n");
             return -1;
         }
diff --git a/libavcodec/options.c b/libavcodec/options.c
index 5a2c281e4c..b42a841e2e 100644
--- a/libavcodec/options.c
+++ b/libavcodec/options.c
@@ -160,7 +160,10 @@ static const AVOption options[]={
 {"very", "strictly conform to a older more strict version of the spec or reference software", 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_VERY_STRICT, INT_MIN, INT_MAX, V|D|E, "strict"},
 {"strict", "strictly conform to all the things in the spec no matter what consequences", 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_STRICT, INT_MIN, INT_MAX, V|D|E, "strict"},
 {"normal", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_NORMAL, INT_MIN, INT_MAX, V|D|E, "strict"},
-{"inofficial", "allow unofficial extensions", 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_INOFFICIAL, INT_MIN, INT_MAX, V|D|E, "strict"},
+#if LIBAVCODEC_VERSION_MAJOR < 53
+{"inofficial", "allow unofficial extensions (deprecated - use unofficial)", 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_UNOFFICIAL, INT_MIN, INT_MAX, V|D|E, "strict"},
+#endif
+{"unofficial", "allow unofficial extensions", 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_UNOFFICIAL, INT_MIN, INT_MAX, V|D|E, "strict"},
 {"experimental", "allow non standardized experimental things", 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_EXPERIMENTAL, INT_MIN, INT_MAX, V|D|E, "strict"},
 {"b_qoffset", "qp offset between P and B frames", OFFSET(b_quant_offset), FF_OPT_TYPE_FLOAT, 1.25, -FLT_MAX, FLT_MAX, V|E},
 {"er", "set error detection aggressivity", OFFSET(error_recognition), FF_OPT_TYPE_INT, FF_ER_CAREFUL, INT_MIN, INT_MAX, A|V|D, "er"},