diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 79c2bf10e2..1c27fd4807 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -1829,13 +1829,13 @@ typedef struct AVCodecContext {
      */
     int skip_bottom;
 
+#if FF_API_MPV_OPT
     /**
-     * Border processing masking, raises the quantizer for mbs on the borders
-     * of the picture.
-     * - encoding: Set by user.
-     * - decoding: unused
+     * @deprecated use encoder private options instead
      */
+    attribute_deprecated
     float border_masking;
+#endif
 
     /**
      * minimum MB lagrange multipler
diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h
index eef16b2411..8ed894c219 100644
--- a/libavcodec/mpegvideo.h
+++ b/libavcodec/mpegvideo.h
@@ -661,6 +661,7 @@ typedef struct MpegEncContext {
     int   rc_qmod_freq;
     float rc_initial_cplx;
     float rc_buffer_aggressivity;
+    float border_masking;
 
     char *rc_eq;
 
@@ -720,6 +721,7 @@ typedef struct MpegEncContext {
                                                                     FF_MPV_OFFSET(rc_eq), AV_OPT_TYPE_STRING,                           .flags = FF_MPV_OPT_FLAGS },            \
 {"rc_init_cplx", "initial complexity for 1-pass encoding",          FF_MPV_OFFSET(rc_initial_cplx), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS},       \
 {"rc_buf_aggressivity", "currently useless",                        FF_MPV_OFFSET(rc_buffer_aggressivity), AV_OPT_TYPE_FLOAT, {.dbl = 1.0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \
+{"border_mask", "increase the quantizer for macroblocks close to borders", FF_MPV_OFFSET(border_masking), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS},    \
 
 extern const AVOption ff_mpv_generic_options[];
 
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index 1b4dcf1050..1ab17f6a19 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -374,12 +374,19 @@ av_cold int ff_mpv_encode_init(AVCodecContext *avctx)
     /* Fixed QSCALE */
     s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE);
 
+#if FF_API_MPV_OPT
+    FF_DISABLE_DEPRECATION_WARNINGS
+    if (avctx->border_masking != 0.0)
+        s->border_masking = avctx->border_masking;
+    FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
     s->adaptive_quant = (s->avctx->lumi_masking ||
                          s->avctx->dark_masking ||
                          s->avctx->temporal_cplx_masking ||
                          s->avctx->spatial_cplx_masking  ||
                          s->avctx->p_masking      ||
-                         s->avctx->border_masking ||
+                         s->border_masking ||
                          (s->mpv_flags & FF_MPV_FLAG_QP_RD)) &&
                         !s->fixed_qscale;
 
diff --git a/libavcodec/options_table.h b/libavcodec/options_table.h
index f221fe9059..3326708690 100644
--- a/libavcodec/options_table.h
+++ b/libavcodec/options_table.h
@@ -366,7 +366,9 @@ static const AVOption avcodec_options[] = {
 {"skip_factor", "frame skip factor", OFFSET(frame_skip_factor), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX, V|E},
 {"skip_exp", "frame skip exponent", OFFSET(frame_skip_exp), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX, V|E},
 {"skipcmp", "frame skip compare function", OFFSET(frame_skip_cmp), AV_OPT_TYPE_INT, {.i64 = FF_CMP_DCTMAX }, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"border_mask", "increase the quantizer for macroblocks close to borders", OFFSET(border_masking), AV_OPT_TYPE_FLOAT, {.dbl = DEFAULT }, -FLT_MAX, FLT_MAX, V|E},
+#if FF_API_MPV_OPT
+{"border_mask", "deprecated, use encoder private options instead", OFFSET(border_masking), AV_OPT_TYPE_FLOAT, {.dbl = DEFAULT }, -FLT_MAX, FLT_MAX, V|E},
+#endif
 {"mblmin", "minimum macroblock Lagrange factor (VBR)", OFFSET(mb_lmin), AV_OPT_TYPE_INT, {.i64 = FF_QP2LAMBDA * 2 }, 1, FF_LAMBDA_MAX, V|E},
 {"mblmax", "maximum macroblock Lagrange factor (VBR)", OFFSET(mb_lmax), AV_OPT_TYPE_INT, {.i64 = FF_QP2LAMBDA * 31 }, 1, FF_LAMBDA_MAX, V|E},
 {"mepc", "motion estimation bitrate penalty compensation (1.0 = 256)", OFFSET(me_penalty_compensation), AV_OPT_TYPE_INT, {.i64 = 256 }, INT_MIN, INT_MAX, V|E},
diff --git a/libavcodec/ratecontrol.c b/libavcodec/ratecontrol.c
index aa082048ee..12c3e45ef5 100644
--- a/libavcodec/ratecontrol.c
+++ b/libavcodec/ratecontrol.c
@@ -619,7 +619,7 @@ static void adaptive_quantization(MpegEncContext *s, double q)
     const float temp_cplx_masking    = s->avctx->temporal_cplx_masking;
     const float spatial_cplx_masking = s->avctx->spatial_cplx_masking;
     const float p_masking            = s->avctx->p_masking;
-    const float border_masking       = s->avctx->border_masking;
+    const float border_masking       = s->border_masking;
     float bits_sum                   = 0.0;
     float cplx_sum                   = 0.0;
     float *cplx_tab                  = s->cplx_tab;