diff --git a/libavcodec/amfenc.c b/libavcodec/amfenc.c
index 061859f85c..6b1e635a03 100644
--- a/libavcodec/amfenc.c
+++ b/libavcodec/amfenc.c
@@ -468,6 +468,7 @@ static int amf_copy_buffer(AVCodecContext *avctx, AVPacket *pkt, AMFBuffer *buff
             if (var.int64Value == AMF_VIDEO_ENCODER_AV1_OUTPUT_FRAME_TYPE_KEY) {
                 pkt->flags = AV_PKT_FLAG_KEY;
             }
+            break;
         default:
             break;
     }
diff --git a/libavcodec/amfenc.h b/libavcodec/amfenc.h
index 2dbd378ef8..1b8cfdf4a5 100644
--- a/libavcodec/amfenc.h
+++ b/libavcodec/amfenc.h
@@ -59,6 +59,7 @@ typedef struct AmfContext {
     AMFContext         *context; ///< AMF context
     //encoder
     AMFComponent       *encoder; ///< AMF encoder object
+    AMFCaps            *encoder_caps;
     amf_bool            eof;     ///< flag indicating EOF happened
     AMF_SURFACE_FORMAT  format;  ///< AMF surface format
 
@@ -85,6 +86,7 @@ typedef struct AmfContext {
     int                 usage;
     int                 profile;
     int                 level;
+    int                 latency;
     int                 preencode;
     int                 quality;
     int                 b_frame_delta_qp;
@@ -112,6 +114,7 @@ typedef struct AmfContext {
     int                 max_b_frames;
     int                 qvbr_quality_level;
     int                 hw_high_motion_quality_boost;
+    int                 encoder_instance_id;
 
     // HEVC - specific options
 
@@ -126,6 +129,7 @@ typedef struct AmfContext {
     // AV1 - specific options
 
     enum AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_ENUM                 align;
+    enum AMF_VIDEO_ENCODER_AV1_AQ_MODE_ENUM                        aq_mode;
 
     // Preanalysis - specific options
 
diff --git a/libavcodec/amfenc_av1.c b/libavcodec/amfenc_av1.c
index 3878f0d461..50f75b53e2 100644
--- a/libavcodec/amfenc_av1.c
+++ b/libavcodec/amfenc_av1.c
@@ -24,12 +24,17 @@
 
 #define OFFSET(x) offsetof(AmfContext, x)
 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
-static const AVOption options[] = {
-    { "usage",                  "Set the encoding usage",                   OFFSET(usage),                          AV_OPT_TYPE_INT,   {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_TRANSCODING }, AMF_VIDEO_ENCODER_AV1_USAGE_TRANSCODING, AMF_VIDEO_ENCODER_AV1_USAGE_LOW_LATENCY, VE, .unit = "usage" },
-    { "transcoding",            "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_TRANSCODING }, 0, 0, VE, .unit = "usage" },
-    { "lowlatency",             "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_LOW_LATENCY }, 0, 0, VE, .unit = "usage" },
 
-    { "profile",                "Set the profile (default main)",           OFFSET(profile),                        AV_OPT_TYPE_INT,{.i64 = AMF_VIDEO_ENCODER_AV1_PROFILE_MAIN }, AMF_VIDEO_ENCODER_AV1_PROFILE_MAIN, AMF_VIDEO_ENCODER_AV1_PROFILE_MAIN, VE, .unit = "profile" },
+static const AVOption options[] = {
+    { "usage",                  "Set the encoding usage",                   OFFSET(usage),                          AV_OPT_TYPE_INT,   {.i64 = -1 }, -1, AMF_VIDEO_ENCODER_AV1_USAGE_LOW_LATENCY_HIGH_QUALITY, VE, "usage" },
+    { "transcoding",            "Generic Transcoding",                      0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_TRANSCODING               }, 0, 0, VE, "usage" },
+    { "ultralowlatency",        "ultra low latency trancoding",             0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_ULTRA_LOW_LATENCY         }, 0, 0, VE, "usage" },
+    { "lowlatency",             "low latency trancoding",                   0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_LOW_LATENCY               }, 0, 0, VE, "usage" },
+    { "webcam",                 "Webcam",                                   0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_WEBCAM                    }, 0, 0, VE, "usage" },
+    { "high_quality",           "high quality trancoding",                  0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_HIGH_QUALITY              }, 0, 0, VE, "usage" },
+    { "lowlatency_high_quality","low latency yet high quality trancoding",  0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_LOW_LATENCY_HIGH_QUALITY  }, 0, 0, VE, "usage" },
+
+    { "profile",                "Set the profile",           OFFSET(profile),                        AV_OPT_TYPE_INT,{.i64 = -1 }, -1, AMF_VIDEO_ENCODER_AV1_PROFILE_MAIN, VE, "profile" },
     { "main",                   "", 0, AV_OPT_TYPE_CONST,{.i64 = AMF_VIDEO_ENCODER_AV1_PROFILE_MAIN }, 0, 0, VE, .unit = "profile" },
 
     { "level",                  "Set the encoding level (default auto)",    OFFSET(level),                          AV_OPT_TYPE_INT,{.i64 = 0 }, 0, AMF_VIDEO_ENCODER_AV1_LEVEL_7_3, VE, .unit = "level" },
@@ -59,13 +64,20 @@ static const AVOption options[] = {
     { "7.2",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_7_2 }, 0, 0, VE, .unit = "level" },
     { "7.3",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_7_3 }, 0, 0, VE, .unit = "level" },
 
-    { "quality",                "Set the encoding quality",                 OFFSET(quality),                        AV_OPT_TYPE_INT,   {.i64 = AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_SPEED }, AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_HIGH_QUALITY, AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_SPEED, VE, .unit = "quality" },
+    { "latency",                "Set the encoding latency mode",        OFFSET(latency),                        AV_OPT_TYPE_INT,        {.i64 = -1 }, -1, AMF_VIDEO_ENCODER_AV1_ENCODING_LATENCY_MODE_LOWEST_LATENCY, VE, "latency_mode" },
+    { "none",                   "No encoding latency requirement.",     0,                                      AV_OPT_TYPE_CONST,      {.i64 = AMF_VIDEO_ENCODER_AV1_ENCODING_LATENCY_MODE_NONE                      }, 0, 0, VE, "latency_mode" },
+    { "power_saving_real_time", "Try the best to finish encoding a frame within 1/framerate sec.", 0,           AV_OPT_TYPE_CONST,      {.i64 = AMF_VIDEO_ENCODER_AV1_ENCODING_LATENCY_MODE_POWER_SAVING_REAL_TIME    }, 0, 0, VE, "latency_mode" },
+    { "real_time",              "Try the best to finish encoding a frame within 1/(2 x framerate) sec.", 0,     AV_OPT_TYPE_CONST,      {.i64 = AMF_VIDEO_ENCODER_AV1_ENCODING_LATENCY_MODE_REAL_TIME                 }, 0, 0, VE, "latency_mode" },
+    { "lowest_latency",         "Encoding as fast as possible. This mode causes highest power consumption", 0,  AV_OPT_TYPE_CONST,      {.i64 = AMF_VIDEO_ENCODER_AV1_ENCODING_LATENCY_MODE_LOWEST_LATENCY            }, 0, 0, VE, "latency_mode" },
+
+    { "quality",                "Set the encoding quality preset", OFFSET(quality), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_HIGH_QUALITY, VE, "quality" },
+    { "preset",                 "Set the encoding quality preset", OFFSET(quality), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_HIGH_QUALITY, VE, "quality" },
     { "balanced",               "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_BALANCED      }, 0, 0, VE, .unit = "quality" },
     { "speed",                  "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_SPEED         }, 0, 0, VE, .unit = "quality" },
     { "quality",                "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_QUALITY       }, 0, 0, VE, .unit = "quality" },
     { "high_quality",           "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_HIGH_QUALITY  }, 0, 0, VE, .unit = "quality" },
 
-    { "rc",                     "Set the rate control mode",                OFFSET(rate_control_mode),              AV_OPT_TYPE_INT, {.i64 = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_UNKNOWN }, AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_UNKNOWN, AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_HIGH_QUALITY_CBR, VE, .unit = "rc" },
+    { "rc",                     "Set the rate control mode",                OFFSET(rate_control_mode),              AV_OPT_TYPE_INT, {.i64 = -1 }, -1, AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_HIGH_QUALITY_CBR, VE, "rc" },
     { "cqp",                    "Constant Quantization Parameter",      0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_CONSTANT_QP             }, 0, 0, VE, .unit = "rc" },
     { "vbr_latency",            "Latency Constrained Variable Bitrate", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_LATENCY_CONSTRAINED_VBR }, 0, 0, VE, .unit = "rc" },
     { "vbr_peak",               "Peak Contrained Variable Bitrate",     0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR    }, 0, 0, VE, .unit = "rc" },
@@ -77,14 +89,14 @@ static const AVOption options[] = {
     { "qvbr_quality_level",     "Sets the QVBR quality level",              OFFSET(qvbr_quality_level),             AV_OPT_TYPE_INT,   {.i64 = -1 }, -1, 51, VE },
 
 
-    { "header_insertion_mode",  "Set header insertion mode",                OFFSET(header_insertion_mode),          AV_OPT_TYPE_INT,{.i64 = -1 }, -1, AMF_VIDEO_ENCODER_AV1_HEADER_INSERTION_MODE_KEY_FRAME_ALIGNED, VE, .unit = "hdrmode" },
+    { "header_insertion_mode",  "Set header insertion mode", OFFSET(header_insertion_mode), AV_OPT_TYPE_INT,{.i64 = -1 }, -1, AMF_VIDEO_ENCODER_AV1_HEADER_INSERTION_MODE_KEY_FRAME_ALIGNED, VE, "hdrmode" },
     { "none",                   "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_HEADER_INSERTION_MODE_NONE              }, 0, 0, VE, .unit = "hdrmode" },
     { "gop",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_HEADER_INSERTION_MODE_GOP_ALIGNED       }, 0, 0, VE, .unit = "hdrmode" },
     { "frame",                  "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_HEADER_INSERTION_MODE_KEY_FRAME_ALIGNED }, 0, 0, VE, .unit = "hdrmode" },
 
-    { "preencode",              "Enable preencode",                       OFFSET(preencode),                        AV_OPT_TYPE_BOOL, {.i64 = 0  }, 0, 1, VE},
-    { "enforce_hrd",            "Enforce HRD",                              OFFSET(enforce_hrd),                    AV_OPT_TYPE_BOOL, {.i64 = 0  }, 0, 1, VE},
-    { "filler_data",            "Filler Data Enable",                       OFFSET(filler_data),                    AV_OPT_TYPE_BOOL, {.i64 = 0  }, 0, 1, VE},
+    { "preencode",              "Enable preencode",     OFFSET(preencode),      AV_OPT_TYPE_BOOL, {.i64 = -1  }, -1, 1, VE},
+    { "enforce_hrd",            "Enforce HRD",          OFFSET(enforce_hrd),    AV_OPT_TYPE_BOOL, {.i64 = -1  }, -1, 1, VE},
+    { "filler_data",            "Filler Data Enable",   OFFSET(filler_data),    AV_OPT_TYPE_BOOL, {.i64 = -1  }, -1, 1, VE},
 
     { "high_motion_quality_boost_enable",   "Enable High motion quality boost mode",  OFFSET(hw_high_motion_quality_boost), AV_OPT_TYPE_BOOL,   {.i64 = -1 }, -1, 1, VE },
 
@@ -95,13 +107,20 @@ static const AVOption options[] = {
     { "max_qp_p",               "max quantization parameter for P-frame",   OFFSET(max_qp_p),                       AV_OPT_TYPE_INT, {.i64 = -1  }, -1, 255, VE },
     { "qp_p",                   "quantization parameter for P-frame",       OFFSET(qp_p),                           AV_OPT_TYPE_INT, {.i64 = -1  }, -1, 255, VE },
     { "qp_i",                   "quantization parameter for I-frame",       OFFSET(qp_i),                           AV_OPT_TYPE_INT, {.i64 = -1  }, -1, 255, VE },
-    { "skip_frame",             "Rate Control Based Frame Skip",            OFFSET(skip_frame),                     AV_OPT_TYPE_BOOL,{.i64 = 0   },  0, 1, VE },
+
+    { "aq_mode",                "adaptive quantization mode",       OFFSET(aq_mode),                        AV_OPT_TYPE_INT, {.i64 = -1  }, -1, AMF_VIDEO_ENCODER_AV1_AQ_MODE_CAQ, VE , "adaptive_quantisation_mode" },
+    { "none",                   "no adaptive quantization",         0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_AQ_MODE_NONE }, 0, 0, VE, "adaptive_quantisation_mode" },
+    { "caq",                    "context adaptive quantization",    0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_AQ_MODE_CAQ }, 0, 0, VE, "adaptive_quantisation_mode" },
+
+    { "skip_frame",             "Rate Control Based Frame Skip",            OFFSET(skip_frame),                     AV_OPT_TYPE_BOOL,{.i64 = -1   }, -1, 1, VE },
 
     { "align",                  "alignment mode",                           OFFSET(align),                          AV_OPT_TYPE_INT,     {.i64 = AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_NO_RESTRICTIONS },         AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_64X16_ONLY, AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_NO_RESTRICTIONS, VE, .unit = "align" },
     { "64x16",                  "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_64X16_ONLY               }, 0, 0, VE, .unit = "align" },
     { "1080p",                  "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_64X16_1080P_CODED_1082   }, 0, 0, VE, .unit = "align" },
     { "none",                   "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_NO_RESTRICTIONS          }, 0, 0, VE, .unit = "align" },
 
+    { "encoder_instance_id",    "specifies vcn instance number for encoding job",   OFFSET(encoder_instance_id),     AV_OPT_TYPE_INT,   {.i64 = -1 }, -1, 32, VE },
+
     { "log_to_dbg",     "Enable AMF logging to debug output",   OFFSET(log_to_dbg), AV_OPT_TYPE_BOOL,{.i64 = 0 }, 0, 1, VE },
 
     //Pre Analysis options
@@ -185,7 +204,9 @@ FF_ENABLE_DEPRECATION_WARNINGS
         return ret;
 
     // init static parameters
-    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_USAGE, ctx->usage);
+    if (ctx->usage != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_USAGE, ctx->usage);
+    }
 
     AMF_ASSIGN_PROPERTY_SIZE(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_FRAMESIZE, framesize);
 
@@ -199,18 +220,27 @@ FF_ENABLE_DEPRECATION_WARNINGS
         break;
     }
     if (profile == 0) {
-        profile = ctx->profile;
+        if (ctx->profile != -1) {
+            profile = ctx->profile;
+        }
     }
+
     AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_PROFILE, profile);
 
     profile_level = avctx->level;
     if (profile_level == AV_LEVEL_UNKNOWN) {
-        profile_level = ctx->level;
+        if(ctx->level != -1) {
+            profile_level = ctx->level;
+        }
     }
+
     if (profile_level != 0) {
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_LEVEL, profile_level);
     }
-    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET, ctx->quality);
+
+    if (ctx->quality != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET, ctx->quality);
+    }
 
     // Maximum Reference Frames
     if (avctx->refs != -1) {
@@ -221,36 +251,29 @@ FF_ENABLE_DEPRECATION_WARNINGS
     AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_GOP_SIZE, avctx->gop_size);
 
     // Setup header insertion mode only if this option was defined explicitly
-    if (ctx->header_insertion_mode != -1)
+    if (ctx->header_insertion_mode != -1) {
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_HEADER_INSERTION_MODE, ctx->header_insertion_mode);
+    }
 
     // Rate control
     // autodetect rate control method
-    if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_UNKNOWN) {
-        if (ctx->min_qp_i != -1 || ctx->max_qp_i != -1 ||
-            ctx->min_qp_p != -1 || ctx->max_qp_p != -1 ||
-            ctx->qp_i != -1 || ctx->qp_p != -1) {
-            ctx->rate_control_mode = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_CONSTANT_QP;
-            av_log(ctx, AV_LOG_DEBUG, "Rate control turned to CQP\n");
-        }
-        else if (avctx->rc_max_rate > 0) {
-            ctx->rate_control_mode = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR;
-            av_log(ctx, AV_LOG_DEBUG, "Rate control turned to Peak VBR\n");
-        }
-        else {
-            ctx->rate_control_mode = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_CBR;
-            av_log(ctx, AV_LOG_DEBUG, "Rate control turned to CBR\n");
-        }
+    if (ctx->rate_control_mode != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD, ctx->rate_control_mode);
+        res = ctx->encoder->pVtbl->GetProperty(ctx->encoder, AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD, &var);
+        ctx->rate_control_mode = (int)var.int64Value;
     }
 
     // Pre-Pass, Pre-Analysis, Two-Pass
     if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_CONSTANT_QP) {
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_PREENCODE, 0);
-        if (ctx->preencode)
+        if (ctx->preencode) {
             av_log(ctx, AV_LOG_WARNING, "Preencode is not supported by cqp Rate Control Method, automatically disabled\n");
+        }
     }
     else {
-        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_PREENCODE, ctx->preencode);
+        if (ctx->preencode != -1) {
+            AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_PREENCODE, ((ctx->preencode == 0) ? false : true));
+        }
     }
 
     if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_QUALITY_VBR) {
@@ -263,7 +286,6 @@ FF_ENABLE_DEPRECATION_WARNINGS
         AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_HIGH_MOTION_QUALITY_BOOST, ((ctx->hw_high_motion_quality_boost == 0) ? false : true));
     }
 
-    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD, ctx->rate_control_mode);
     if (avctx->rc_buffer_size) {
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_VBV_BUFFER_SIZE, avctx->rc_buffer_size);
 
@@ -276,26 +298,19 @@ FF_ENABLE_DEPRECATION_WARNINGS
     }
 
     // init dynamic rate control params
-    if (ctx->max_au_size)
-        ctx->enforce_hrd = 1;
-    AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_ENFORCE_HRD, ctx->enforce_hrd);
-    AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_FILLER_DATA, ctx->filler_data);
+    if (ctx->enforce_hrd != -1) {
+        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_ENFORCE_HRD, ((ctx->enforce_hrd == 0) ? false : true));
+    }
+
+    if (ctx->filler_data != -1) {
+        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_FILLER_DATA, ((ctx->filler_data == 0) ? false : true));
+    }
 
     AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_TARGET_BITRATE, avctx->bit_rate);
 
-    if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_CBR) {
-        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_PEAK_BITRATE, avctx->bit_rate);
-    }
     if (avctx->rc_max_rate) {
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_PEAK_BITRATE, avctx->rc_max_rate);
     }
-    else if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR) {
-        av_log(ctx, AV_LOG_WARNING, "rate control mode is PEAK_CONSTRAINED_VBR but rc_max_rate is not set\n");
-    }
-    if (avctx->bit_rate > 0) {
-        ctx->rate_control_mode = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_CBR;
-        av_log(ctx, AV_LOG_DEBUG, "Rate control turned to CBR\n");
-    }
 
     switch (ctx->align)
     {
@@ -329,6 +344,36 @@ FF_ENABLE_DEPRECATION_WARNINGS
     }
     AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE, ctx->align);
 
+    if (ctx->aq_mode != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_AQ_MODE, ctx->aq_mode);
+    }
+
+    if (ctx->latency != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_ENCODING_LATENCY_MODE, ctx->latency);
+    }
+
+    if (ctx->encoder_instance_id != -1) {
+        ctx->encoder->pVtbl->GetCaps(ctx->encoder, &ctx->encoder_caps);
+        res = ctx->encoder_caps->pVtbl->GetProperty(ctx->encoder_caps, AMF_VIDEO_ENCODER_AV1_CAP_NUM_OF_HW_INSTANCES, &var);
+        if (res == AMF_OK) {
+            if(var.int64Value <= ctx->encoder_instance_id) {
+                av_log(ctx, AV_LOG_ERROR, "Excess number of hw instance specified. Max hw instances = %lld.\n", var.int64Value);
+                return AVERROR_EXIT;
+            }
+            else {
+                AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_ENCODER_INSTANCE_INDEX, ctx->encoder_instance_id);
+                if(res != AMF_OK) {
+                    av_log(ctx, AV_LOG_ERROR, "Unable to set the hw instance.\n");
+                    return AVERROR_EXIT;
+                }
+            }
+        }
+        else {
+            av_log(ctx, AV_LOG_ERROR, "Unable to get hw capability.\n");
+            return AVERROR_EXIT;
+        }
+    }
+
     if (ctx->preanalysis != -1) {
         AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_PRE_ANALYSIS_ENABLE, !!((ctx->preanalysis == 0) ? false : true));
     }
@@ -336,6 +381,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
     res = ctx->encoder->pVtbl->GetProperty(ctx->encoder, AMF_VIDEO_ENCODER_AV1_PRE_ANALYSIS_ENABLE, &var);
     if ((int)var.int64Value)
     {
+        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_PRE_ANALYSIS_ENABLE, true);
+
         if (ctx->pa_activity_type != -1) {
             AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_ACTIVITY_TYPE, ctx->pa_activity_type);
         }
@@ -420,7 +467,10 @@ FF_ENABLE_DEPRECATION_WARNINGS
     if (ctx->qp_i != -1) {
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_Q_INDEX_INTRA, ctx->qp_i);
     }
-    AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_SKIP_FRAME, ctx->skip_frame);
+
+    if (ctx->skip_frame != -1) {
+        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_SKIP_FRAME, ((ctx->skip_frame == 0) ? false : true));
+    }
 
     // fill extradata
     res = AMFVariantInit(&var);
@@ -456,8 +506,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
 static const FFCodecDefault defaults[] = {
     { "refs",       "-1"  },
     { "aspect",     "0"   },
-    { "b",          "2M"  },
-    { "g",          "250" },
+    { "b",          "0"  },
+    { "g",          "-1" },
     { "qmin",       "-1"  },
     { "qmax",       "-1"  },
     { NULL                },
diff --git a/libavcodec/amfenc_h264.c b/libavcodec/amfenc_h264.c
index c1d5f4054e..59f48bb43c 100644
--- a/libavcodec/amfenc_h264.c
+++ b/libavcodec/amfenc_h264.c
@@ -30,7 +30,7 @@
 static const AVOption options[] = {
     // Static
     /// Usage
-    { "usage",          "Encoder Usage",        OFFSET(usage),  AV_OPT_TYPE_INT,   { .i64 = AMF_VIDEO_ENCODER_USAGE_TRANSCODING }, AMF_VIDEO_ENCODER_USAGE_TRANSCODING, AMF_VIDEO_ENCODER_USAGE_LOW_LATENCY_HIGH_QUALITY, VE, .unit = "usage" },
+    { "usage",          "Encoder Usage",        OFFSET(usage),  AV_OPT_TYPE_INT,   { .i64 = -1 }, -1, AMF_VIDEO_ENCODER_USAGE_LOW_LATENCY_HIGH_QUALITY, VE, "usage" },
     { "transcoding",    "Generic Transcoding",  0,              AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_TRANSCODING       }, 0, 0, VE, .unit = "usage" },
     { "ultralowlatency","ultra low latency trancoding", 0,      AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_ULTRA_LOW_LATENCY }, 0, 0, VE, .unit = "usage" },
     { "lowlatency",     "low latency trancoding", 0,            AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_LOW_LATENCY       }, 0, 0, VE, .unit = "usage" },
@@ -38,9 +38,8 @@ static const AVOption options[] = {
     { "high_quality",   "high quality trancoding", 0,           AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_HIGH_QUALITY      }, 0, 0, VE, .unit = "usage" },
     { "lowlatency_high_quality", "low latency yet high quality trancoding",  0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_LOW_LATENCY_HIGH_QUALITY }, 0, 0, VE, .unit = "usage" },
 
-
     /// Profile,
-    { "profile",        "Profile",              OFFSET(profile),AV_OPT_TYPE_INT,   { .i64 = AMF_VIDEO_ENCODER_PROFILE_MAIN                 }, AMF_VIDEO_ENCODER_PROFILE_BASELINE, AMF_VIDEO_ENCODER_PROFILE_CONSTRAINED_HIGH, VE, .unit = "profile" },
+    { "profile",        "Profile",              OFFSET(profile),AV_OPT_TYPE_INT,   { .i64 = -1 }, -1, AMF_VIDEO_ENCODER_PROFILE_CONSTRAINED_HIGH, VE, "profile" },
     { "main",           "",                     0,              AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_PROFILE_MAIN                 }, 0, 0, VE, .unit = "profile" },
     { "high",           "",                     0,              AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_PROFILE_HIGH                 }, 0, 0, VE, .unit = "profile" },
     { "constrained_baseline", "",               0,              AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_PROFILE_CONSTRAINED_BASELINE }, 0, 0, VE, .unit = "profile" },
@@ -69,16 +68,18 @@ static const AVOption options[] = {
     { "6.1",            "",                     0,              AV_OPT_TYPE_CONST, { .i64 = 61 }, 0, 0,  VE, .unit = "level" },
     { "6.2",            "",                     0,              AV_OPT_TYPE_CONST, { .i64 = 62 }, 0, 0,  VE, .unit = "level" },
 
+    { "latency",        "enables low latency mode",                 OFFSET(latency),      AV_OPT_TYPE_BOOL,{.i64 = -1 },  -1, 1, VE },
 
     /// Quality Preset
-    { "quality",        "Quality Preference",                   OFFSET(quality),    AV_OPT_TYPE_INT,   { .i64 = AMF_VIDEO_ENCODER_QUALITY_PRESET_SPEED    }, AMF_VIDEO_ENCODER_QUALITY_PRESET_BALANCED, AMF_VIDEO_ENCODER_QUALITY_PRESET_QUALITY, VE, .unit = "quality" },
+    { "quality",        "Set the encoding quality preset",  OFFSET(quality),    AV_OPT_TYPE_INT,   { .i64 = -1 }, -1, AMF_VIDEO_ENCODER_QUALITY_PRESET_QUALITY, VE, "quality" },
+    { "preset",         "Set the encoding quality preset",  OFFSET(quality),    AV_OPT_TYPE_INT,   { .i64 = -1 }, -1, AMF_VIDEO_ENCODER_QUALITY_PRESET_QUALITY, VE, "quality" },
     { "speed",          "Prefer Speed",                         0,                  AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_QUALITY_PRESET_SPEED    },       0, 0, VE, .unit = "quality" },
     { "balanced",       "Balanced",                             0,                  AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_QUALITY_PRESET_BALANCED },    0, 0, VE, .unit = "quality" },
     { "quality",        "Prefer Quality",                       0,                  AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_QUALITY_PRESET_QUALITY  },     0, 0, VE, .unit = "quality" },
 
     // Dynamic
     /// Rate Control Method
-    { "rc",             "Rate Control Method",                  OFFSET(rate_control_mode), AV_OPT_TYPE_INT,   { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_UNKNOWN }, AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_UNKNOWN, AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_HIGH_QUALITY_CBR, VE, .unit = "rc" },
+    { "rc",             "Rate Control Method",                  OFFSET(rate_control_mode), AV_OPT_TYPE_INT,   { .i64 = -1 }, -1, AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_HIGH_QUALITY_CBR, VE, "rc" },
     { "cqp",            "Constant Quantization Parameter",      0,                         AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CONSTANT_QP             }, 0, 0, VE, .unit = "rc" },
     { "cbr",            "Constant Bitrate",                     0,                         AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CBR                     }, 0, 0, VE, .unit = "rc" },
     { "vbr_peak",       "Peak Contrained Variable Bitrate",     0,                         AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR    }, 0, 0, VE, .unit = "rc" },
@@ -90,10 +91,11 @@ static const AVOption options[] = {
     { "qvbr_quality_level",     "Sets the QVBR quality level",  OFFSET(qvbr_quality_level),AV_OPT_TYPE_INT,   { .i64 = -1 }, -1, 51, VE },
 
     /// Enforce HRD, Filler Data, VBAQ, Frame Skipping
-    { "enforce_hrd",    "Enforce HRD",                          OFFSET(enforce_hrd),        AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
-    { "filler_data",    "Filler Data Enable",                   OFFSET(filler_data),        AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
-    { "vbaq",           "Enable VBAQ",                          OFFSET(enable_vbaq),        AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
-    { "frame_skipping", "Rate Control Based Frame Skip",        OFFSET(skip_frame),         AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
+    { "enforce_hrd",    "Enforce HRD",                          OFFSET(enforce_hrd),        AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
+    { "filler_data",    "Filler Data Enable",                   OFFSET(filler_data),        AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
+    { "vbaq",           "Enable VBAQ",                          OFFSET(enable_vbaq),        AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
+    { "frame_skipping", "Rate Control Based Frame Skip",        OFFSET(skip_frame),         AV_OPT_TYPE_BOOL, {.i64 = -1   }, -1, 1, VE },
+    { "skip_frame",     "Rate Control Based Frame Skip",        OFFSET(skip_frame),         AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
 
     /// QP Values
     { "qp_i",           "Quantization Parameter for I-Frame",   OFFSET(qp_i),               AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
@@ -101,7 +103,7 @@ static const AVOption options[] = {
     { "qp_b",           "Quantization Parameter for B-Frame",   OFFSET(qp_b),               AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
 
     /// Pre-Pass, Pre-Analysis, Two-Pass
-    { "preencode",      "Pre-encode assisted rate control",     OFFSET(preencode),          AV_OPT_TYPE_BOOL,{ .i64 = 0 }, 0, 1, VE, .unit = NULL },
+    { "preencode",      "Pre-encode assisted rate control",     OFFSET(preencode),          AV_OPT_TYPE_BOOL,{ .i64 = -1 }, -1, 1, VE, NULL },
 
     /// Maximum Access Unit Size
     { "max_au_size",    "Maximum Access Unit Size for rate control (in bits)",   OFFSET(max_au_size),        AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
@@ -119,7 +121,7 @@ static const AVOption options[] = {
     { "bf",             "B Picture Pattern",                        OFFSET(max_b_frames),             AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 3, VE },
 
     /// Intra-Refresh
-    { "intra_refresh_mb","Intra Refresh MBs Number Per Slot in Macroblocks",       OFFSET(intra_refresh_mb),    AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
+    { "intra_refresh_mb","Intra Refresh MBs Number Per Slot in Macroblocks",       OFFSET(intra_refresh_mb),    AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
 
     /// coder
     { "coder",          "Coding Type",                          OFFSET(coding_mode),   AV_OPT_TYPE_INT,   { .i64 = AMF_VIDEO_ENCODER_UNDEFINED }, AMF_VIDEO_ENCODER_UNDEFINED, AMF_VIDEO_ENCODER_CALV, VE, .unit = "coder" },
@@ -129,10 +131,12 @@ static const AVOption options[] = {
 
     { "high_motion_quality_boost_enable",   "Enable High motion quality boost mode",  OFFSET(hw_high_motion_quality_boost), AV_OPT_TYPE_BOOL,   {.i64 = -1 }, -1, 1, VE },
 
-    { "me_half_pel",    "Enable ME Half Pixel",                 OFFSET(me_half_pel),   AV_OPT_TYPE_BOOL,  { .i64 = 1 }, 0, 1, VE },
-    { "me_quarter_pel", "Enable ME Quarter Pixel",              OFFSET(me_quarter_pel),AV_OPT_TYPE_BOOL,  { .i64 = 1 }, 0, 1, VE },
+    { "me_half_pel",    "Enable ME Half Pixel",                 OFFSET(me_half_pel),   AV_OPT_TYPE_BOOL,  { .i64 = -1 }, -1, 1, VE },
+    { "me_quarter_pel", "Enable ME Quarter Pixel",              OFFSET(me_quarter_pel),AV_OPT_TYPE_BOOL,  { .i64 = -1 }, -1, 1, VE },
+
+    { "aud",            "Inserts AU Delimiter NAL unit",        OFFSET(aud)          , AV_OPT_TYPE_BOOL,  { .i64 = -1 }, -1, 1, VE },
 
-    { "aud",            "Inserts AU Delimiter NAL unit",        OFFSET(aud)          ,AV_OPT_TYPE_BOOL,  { .i64 = 0 }, 0, 1, VE },
+    { "encoder_instance_id", "specifies vcn instance number for encoding job", OFFSET(encoder_instance_id),     AV_OPT_TYPE_INT,   {.i64 = -1 }, -1, 32, VE },
 
     { "log_to_dbg",     "Enable AMF logging to debug output",   OFFSET(log_to_dbg)    , AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
 
@@ -215,8 +219,10 @@ FF_ENABLE_DEPRECATION_WARNINGS
     if ((ret = ff_amf_encode_init(avctx)) != 0)
         return ret;
 
-    // Static parameters
-    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_USAGE, ctx->usage);
+    // init static parameters
+    if (ctx->usage != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_USAGE, ctx->usage);
+    }
 
     AMF_ASSIGN_PROPERTY_SIZE(res, ctx->encoder, AMF_VIDEO_ENCODER_FRAMESIZE, framesize);
 
@@ -240,15 +246,20 @@ FF_ENABLE_DEPRECATION_WARNINGS
         break;
     }
     if (profile == 0) {
-        profile = ctx->profile;
+        if (ctx->profile != -1) {
+            profile = ctx->profile;
+        }
     }
 
     AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_PROFILE, profile);
 
     profile_level = avctx->level;
     if (profile_level == AV_LEVEL_UNKNOWN) {
-        profile_level = ctx->level;
+        if(ctx->level != -1) {
+           profile_level = ctx->level;
+        }
     }
+
     if (profile_level != 0) {
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_PROFILE_LEVEL, profile_level);
     }
@@ -268,25 +279,22 @@ FF_ENABLE_DEPRECATION_WARNINGS
     }
 
     // autodetect rate control method
-    if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_UNKNOWN) {
-        if (ctx->qp_i != -1 || ctx->qp_p != -1 || ctx->qp_b != -1) {
-            ctx->rate_control_mode = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CONSTANT_QP;
-            av_log(ctx, AV_LOG_DEBUG, "Rate control turned to CQP\n");
-        } else if (avctx->rc_max_rate > 0 ) {
-            ctx->rate_control_mode = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR;
-            av_log(ctx, AV_LOG_DEBUG, "Rate control turned to Peak VBR\n");
-        } else {
-            ctx->rate_control_mode = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CBR;
-            av_log(ctx, AV_LOG_DEBUG, "Rate control turned to CBR\n");
-        }
+    if (ctx->rate_control_mode != -1) {
+        // Dynamic parmaters
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD, ctx->rate_control_mode);
+        res = ctx->encoder->pVtbl->GetProperty(ctx->encoder, AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD, &var);
+        ctx->rate_control_mode = (int)var.int64Value;
     }
 
     if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CONSTANT_QP) {
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_PREENCODE_ENABLE, AMF_VIDEO_ENCODER_PREENCODE_DISABLED);
         if (ctx->preencode)
             av_log(ctx, AV_LOG_WARNING, "Preencode is not supported by cqp Rate Control Method, automatically disabled\n");
-    } else {
-        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_PREENCODE_ENABLE, ctx->preencode);
+    }
+    else {
+        if (ctx->preencode != -1) {
+            AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_PREENCODE_ENABLE, ctx->preencode);
+        }
     }
 
     if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_QUALITY_VBR) {
@@ -299,10 +307,9 @@ FF_ENABLE_DEPRECATION_WARNINGS
         AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HIGH_MOTION_QUALITY_BOOST_ENABLE, ((ctx->hw_high_motion_quality_boost == 0) ? false : true));
     }
 
-    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_QUALITY_PRESET, ctx->quality);
-
-    // Dynamic parmaters
-    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD, ctx->rate_control_mode);
+    if (ctx->quality != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_QUALITY_PRESET, ctx->quality);
+    }
 
     /// VBV Buffer
     if (avctx->rc_buffer_size != 0) {
@@ -314,11 +321,14 @@ FF_ENABLE_DEPRECATION_WARNINGS
             AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_INITIAL_VBV_BUFFER_FULLNESS, amf_buffer_fullness);
         }
     }
-    /// Maximum Access Unit Size
-    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_MAX_AU_SIZE, ctx->max_au_size);
+    /// Maximum Access Unit Size and AUD
+    if(ctx->max_au_size != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_MAX_AU_SIZE, ctx->max_au_size);
+    }
 
-    if (ctx->max_au_size)
-        ctx->enforce_hrd = 1;
+    if(ctx->aud != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_INSERT_AUD, ctx->aud); 
+    }
 
     // QP Minimum / Maximum
     if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CONSTANT_QP) {
@@ -344,13 +354,34 @@ FF_ENABLE_DEPRECATION_WARNINGS
 
     AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_TARGET_BITRATE, avctx->bit_rate);
 
-    if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CBR) {
-        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_PEAK_BITRATE, avctx->bit_rate);
-    }
     if (avctx->rc_max_rate) {
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_PEAK_BITRATE, avctx->rc_max_rate);
-    } else if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR) {
-        av_log(ctx, AV_LOG_WARNING, "rate control mode is PEAK_CONSTRAINED_VBR but rc_max_rate is not set\n");
+    }
+
+    if (ctx->latency != -1) {
+        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_LOWLATENCY_MODE, ((ctx->latency == 0) ? false : true));
+    }
+
+    if (ctx->encoder_instance_id != -1) {
+        ctx->encoder->pVtbl->GetCaps(ctx->encoder, &ctx->encoder_caps);
+        res = ctx->encoder_caps->pVtbl->GetProperty(ctx->encoder_caps, AMF_VIDEO_ENCODER_CAP_NUM_OF_HW_INSTANCES, &var);
+        if (res == AMF_OK) {
+            if(var.int64Value <= ctx->encoder_instance_id) {
+                av_log(ctx, AV_LOG_ERROR, "Excess number of hw instance specified. Max hw instances = %lld.\n", var.int64Value);
+                return AVERROR_EXIT;
+            }
+            else {
+                AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_INSTANCE_INDEX, ctx->encoder_instance_id);
+                if(res != AMF_OK) {
+                    av_log(ctx, AV_LOG_ERROR, "Unable to set the hw instance.\n");
+                    return AVERROR_EXIT;
+                }
+            }
+        }
+        else {
+            av_log(ctx, AV_LOG_ERROR, "Unable to get hw capability.\n");
+            return AVERROR_EXIT;
+        }
     }
 
     if (ctx->preanalysis != -1) {
@@ -360,6 +391,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
     res = ctx->encoder->pVtbl->GetProperty(ctx->encoder, AMF_VIDEO_ENCODER_PRE_ANALYSIS_ENABLE, &var);
     if ((int)var.int64Value)
     {
+        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_PRE_ANALYSIS_ENABLE, true);
+
         if (ctx->pa_activity_type != -1) {
             AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_ACTIVITY_TYPE, ctx->pa_activity_type);
         }
@@ -440,15 +473,26 @@ FF_ENABLE_DEPRECATION_WARNINGS
     AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_BUG, "encoder->Init() failed with error %d\n", res);
 
     // Enforce HRD, Filler Data, VBAQ, Frame Skipping, Deblocking Filter
-    AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_ENFORCE_HRD, !!ctx->enforce_hrd);
-    AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_FILLER_DATA_ENABLE, !!ctx->filler_data);
-    AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_RATE_CONTROL_SKIP_FRAME_ENABLE, !!ctx->skip_frame);
+    if (ctx->enforce_hrd != -1) {
+        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_ENFORCE_HRD, ((ctx->enforce_hrd == 0) ? false : true));
+    }
+
+    if (ctx->filler_data != -1) {
+        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_FILLER_DATA_ENABLE, ((ctx->filler_data == 0) ? false : true));
+    }
+
+    if (ctx->skip_frame != -1) {
+        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_RATE_CONTROL_SKIP_FRAME_ENABLE, ((ctx->skip_frame == 0) ? false : true));
+    }
+
     if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CONSTANT_QP) {
         AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_ENABLE_VBAQ, 0);
         if (ctx->enable_vbaq)
             av_log(ctx, AV_LOG_WARNING, "VBAQ is not supported by cqp Rate Control Method, automatically disabled\n");
     } else {
-        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_ENABLE_VBAQ, !!ctx->enable_vbaq);
+        if(ctx->enable_vbaq != -1) {
+            AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_ENABLE_VBAQ, !!ctx->enable_vbaq);
+        }
     }
     AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_DE_BLOCKING_FILTER, !!deblocking_filter);
 
@@ -460,7 +504,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEADER_INSERTION_SPACING, ctx->header_spacing);
 
     // Intra-Refresh, Slicing
-    if (ctx->intra_refresh_mb > 0)
+    if (ctx->intra_refresh_mb != -1)
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_INTRA_REFRESH_NUM_MBS_PER_SLOT, ctx->intra_refresh_mb);
     if (avctx->slices > 1)
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_SLICES_PER_FRAME, avctx->slices);
@@ -470,8 +514,13 @@ FF_ENABLE_DEPRECATION_WARNINGS
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_CABAC_ENABLE, ctx->coding_mode);
 
     // Motion Estimation
-    AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_MOTION_HALF_PIXEL, !!ctx->me_half_pel);
-    AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_MOTION_QUARTERPIXEL, !!ctx->me_quarter_pel);
+    if(ctx->me_half_pel != -1) {
+        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_MOTION_HALF_PIXEL, !!ctx->me_half_pel);
+    }
+
+    if(ctx->me_quarter_pel != -1) {
+        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_MOTION_QUARTERPIXEL, !!ctx->me_quarter_pel);
+    }
 
     // fill extradata
     res = AMFVariantInit(&var);
@@ -509,8 +558,8 @@ static const FFCodecDefault defaults[] = {
     { "aspect",     "0"   },
     { "qmin",       "-1"  },
     { "qmax",       "-1"  },
-    { "b",          "2M"  },
-    { "g",          "250" },
+    { "b",          "0"  },
+    { "g",          "-1" },
     { "slices",     "1"   },
     { "flags",      "+loop"},
     { NULL                },
diff --git a/libavcodec/amfenc_hevc.c b/libavcodec/amfenc_hevc.c
index 33a167aa52..da79b17a6e 100644
--- a/libavcodec/amfenc_hevc.c
+++ b/libavcodec/amfenc_hevc.c
@@ -25,8 +25,9 @@
 
 #define OFFSET(x) offsetof(AmfContext, x)
 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+
 static const AVOption options[] = {
-    { "usage",                  "Set the encoding usage",                   OFFSET(usage),                          AV_OPT_TYPE_INT,   {.i64 = AMF_VIDEO_ENCODER_HEVC_USAGE_TRANSCODING }, AMF_VIDEO_ENCODER_HEVC_USAGE_TRANSCODING, AMF_VIDEO_ENCODER_HEVC_USAGE_LOW_LATENCY_HIGH_QUALITY, VE, .unit = "usage" },
+    { "usage",                  "Set the encoding usage",                   OFFSET(usage),                          AV_OPT_TYPE_INT,   {.i64 = -1 }, -1, AMF_VIDEO_ENCODER_HEVC_USAGE_LOW_LATENCY_HIGH_QUALITY, VE, "usage" },
     { "transcoding",            "Generic Transcoding",                      0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_HEVC_USAGE_TRANSCODING               }, 0, 0, VE, .unit = "usage" },
     { "ultralowlatency",        "ultra low latency trancoding",             0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_HEVC_USAGE_ULTRA_LOW_LATENCY         }, 0, 0, VE, .unit = "usage" },
     { "lowlatency",             "low latency trancoding",                   0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_HEVC_USAGE_LOW_LATENCY               }, 0, 0, VE, .unit = "usage" },
@@ -34,10 +35,10 @@ static const AVOption options[] = {
     { "high_quality",           "high quality trancoding",                  0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_HEVC_USAGE_HIGH_QUALITY              }, 0, 0, VE, .unit = "usage" },
     { "lowlatency_high_quality","low latency yet high quality trancoding",  0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_HEVC_USAGE_LOW_LATENCY_HIGH_QUALITY  }, 0, 0, VE, .unit = "usage" },
 
-    { "profile",        "Set the profile (default main)",           OFFSET(profile),   AV_OPT_TYPE_INT,{ .i64 = AMF_VIDEO_ENCODER_HEVC_PROFILE_MAIN }, AMF_VIDEO_ENCODER_HEVC_PROFILE_MAIN, AMF_VIDEO_ENCODER_HEVC_PROFILE_MAIN, VE, .unit = "profile" },
-    { "main",           "", 0,                      AV_OPT_TYPE_CONST,{ .i64 = AMF_VIDEO_ENCODER_HEVC_PROFILE_MAIN }, 0, 0, VE, .unit = "profile" },
+    { "profile",        "Set the profile",           OFFSET(profile),   AV_OPT_TYPE_INT,{ .i64 = -1 }, -1, AMF_VIDEO_ENCODER_HEVC_PROFILE_MAIN, VE, "profile" },
+    { "main",           "", 0,                      AV_OPT_TYPE_CONST,{ .i64 = AMF_VIDEO_ENCODER_HEVC_PROFILE_MAIN }, 0, 0, VE, "profile" },
 
-    { "profile_tier",   "Set the profile tier (default main)",      OFFSET(tier), AV_OPT_TYPE_INT,{ .i64 = AMF_VIDEO_ENCODER_HEVC_TIER_MAIN }, AMF_VIDEO_ENCODER_HEVC_TIER_MAIN, AMF_VIDEO_ENCODER_HEVC_TIER_HIGH, VE, .unit = "tier" },
+    { "profile_tier",   "Set the profile tier (default main)",      OFFSET(tier), AV_OPT_TYPE_INT,{ .i64 = -1 }, -1, AMF_VIDEO_ENCODER_HEVC_TIER_HIGH, VE, "tier" },
     { "main",           "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_TIER_MAIN }, 0, 0, VE, .unit = "tier" },
     { "high",           "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_TIER_HIGH }, 0, 0, VE, .unit = "tier" },
 
@@ -57,12 +58,15 @@ static const AVOption options[] = {
     { "6.1",            "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_LEVEL_6_1 }, 0, 0, VE, .unit = "level" },
     { "6.2",            "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_LEVEL_6_2 }, 0, 0, VE, .unit = "level" },
 
-    { "quality",        "Set the encoding quality",                 OFFSET(quality),      AV_OPT_TYPE_INT,   { .i64 = AMF_VIDEO_ENCODER_HEVC_QUALITY_PRESET_SPEED }, AMF_VIDEO_ENCODER_HEVC_QUALITY_PRESET_QUALITY, AMF_VIDEO_ENCODER_HEVC_QUALITY_PRESET_SPEED, VE, .unit = "quality" },
+    { "latency",        "enables low latency mode",                 OFFSET(latency),      AV_OPT_TYPE_BOOL,{.i64 = -1 },  -1, 1, VE },
+
+    { "quality",        "Set the encoding quality preset",     OFFSET(quality),    AV_OPT_TYPE_INT,   { .i64 = -1 }, -1, AMF_VIDEO_ENCODER_HEVC_QUALITY_PRESET_QUALITY, VE, "quality" },
+    { "preset",         "Set the encoding quality preset",     OFFSET(quality),    AV_OPT_TYPE_INT,   { .i64 = -1 }, -1, AMF_VIDEO_ENCODER_HEVC_QUALITY_PRESET_QUALITY, VE, "quality" },
     { "balanced",       "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_QUALITY_PRESET_BALANCED }, 0, 0, VE, .unit = "quality" },
     { "speed",          "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_QUALITY_PRESET_SPEED    }, 0, 0, VE, .unit = "quality" },
     { "quality",        "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_QUALITY_PRESET_QUALITY  }, 0, 0, VE, .unit = "quality" },
 
-    { "rc",             "Set the rate control mode",            OFFSET(rate_control_mode), AV_OPT_TYPE_INT, { .i64 = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_UNKNOWN }, AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_UNKNOWN, AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_HIGH_QUALITY_CBR, VE, .unit = "rc" },
+    { "rc",             "Set the rate control mode",            OFFSET(rate_control_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_HIGH_QUALITY_CBR, VE, "rc" },
     { "cqp",            "Constant Quantization Parameter",      0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_CONSTANT_QP             }, 0, 0, VE, .unit = "rc" },
     { "cbr",            "Constant Bitrate",                     0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_CBR                     }, 0, 0, VE, .unit = "rc" },
     { "vbr_peak",       "Peak Contrained Variable Bitrate",     0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR    }, 0, 0, VE, .unit = "rc" },
@@ -73,17 +77,17 @@ static const AVOption options[] = {
 
     { "qvbr_quality_level",     "Sets the QVBR quality level",  OFFSET(qvbr_quality_level), AV_OPT_TYPE_INT,   {.i64 = -1 }, -1, 51, VE },
 
-    { "header_insertion_mode",        "Set header insertion mode",  OFFSET(header_insertion_mode),      AV_OPT_TYPE_INT,{ .i64 = AMF_VIDEO_ENCODER_HEVC_HEADER_INSERTION_MODE_NONE }, AMF_VIDEO_ENCODER_HEVC_HEADER_INSERTION_MODE_NONE, AMF_VIDEO_ENCODER_HEVC_HEADER_INSERTION_MODE_IDR_ALIGNED, VE, .unit = "hdrmode" },
+    { "header_insertion_mode",        "Set header insertion mode",  OFFSET(header_insertion_mode),      AV_OPT_TYPE_INT,{ .i64 = -1 }, -1, AMF_VIDEO_ENCODER_HEVC_HEADER_INSERTION_MODE_IDR_ALIGNED, VE, "hdrmode" },
     { "none",           "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_HEADER_INSERTION_MODE_NONE        }, 0, 0, VE, .unit = "hdrmode" },
     { "gop",            "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_HEADER_INSERTION_MODE_GOP_ALIGNED }, 0, 0, VE, .unit = "hdrmode" },
     { "idr",            "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_HEADER_INSERTION_MODE_IDR_ALIGNED }, 0, 0, VE, .unit = "hdrmode" },
 
     { "high_motion_quality_boost_enable",   "Enable High motion quality boost mode",  OFFSET(hw_high_motion_quality_boost), AV_OPT_TYPE_BOOL,   {.i64 = -1 }, -1, 1, VE },
     { "gops_per_idr",   "GOPs per IDR 0-no IDR will be inserted",   OFFSET(gops_per_idr),  AV_OPT_TYPE_INT,  { .i64 = 1  },  0, INT_MAX, VE },
-    { "preencode",      "Enable preencode",                       OFFSET(preencode),     AV_OPT_TYPE_BOOL, { .i64 = 0  },  0, 1, VE},
-    { "vbaq",           "Enable VBAQ",                              OFFSET(enable_vbaq),   AV_OPT_TYPE_BOOL, { .i64 = 0  },  0, 1, VE},
-    { "enforce_hrd",    "Enforce HRD",                              OFFSET(enforce_hrd),   AV_OPT_TYPE_BOOL, { .i64 = 0  },  0, 1, VE},
-    { "filler_data",    "Filler Data Enable",                       OFFSET(filler_data),   AV_OPT_TYPE_BOOL, { .i64 = 0  },  0, 1, VE},
+    { "preencode",      "Enable preencode",                       OFFSET(preencode),     AV_OPT_TYPE_BOOL, { .i64 = -1  },  -1, 1, VE},
+    { "vbaq",           "Enable VBAQ",                              OFFSET(enable_vbaq),   AV_OPT_TYPE_BOOL, { .i64 = -1  },  -1, 1, VE},
+    { "enforce_hrd",    "Enforce HRD",                              OFFSET(enforce_hrd),   AV_OPT_TYPE_BOOL, { .i64 = -1  },  -1, 1, VE},
+    { "filler_data",    "Filler Data Enable",                       OFFSET(filler_data),   AV_OPT_TYPE_BOOL, { .i64 = -1  },  -1, 1, VE},
     { "max_au_size",    "Maximum Access Unit Size for rate control (in bits)", OFFSET(max_au_size),   AV_OPT_TYPE_INT,{ .i64 = 0 }, 0, INT_MAX, VE},
     { "min_qp_i",       "min quantization parameter for I-frame",   OFFSET(min_qp_i),      AV_OPT_TYPE_INT, { .i64 = -1  }, -1, 51, VE },
     { "max_qp_i",       "max quantization parameter for I-frame",   OFFSET(max_qp_i),      AV_OPT_TYPE_INT, { .i64 = -1  }, -1, 51, VE },
@@ -91,11 +95,13 @@ static const AVOption options[] = {
     { "max_qp_p",       "max quantization parameter for P-frame",   OFFSET(max_qp_p),      AV_OPT_TYPE_INT, { .i64 = -1  }, -1, 51, VE },
     { "qp_p",           "quantization parameter for P-frame",       OFFSET(qp_p),          AV_OPT_TYPE_INT, { .i64 = -1  }, -1, 51, VE },
     { "qp_i",           "quantization parameter for I-frame",       OFFSET(qp_i),          AV_OPT_TYPE_INT, { .i64 = -1  }, -1, 51, VE },
-    { "skip_frame",     "Rate Control Based Frame Skip",            OFFSET(skip_frame),    AV_OPT_TYPE_BOOL,{ .i64 = 0   },  0, 1, VE },
-    { "me_half_pel",    "Enable ME Half Pixel",                     OFFSET(me_half_pel),   AV_OPT_TYPE_BOOL,{ .i64 = 1   },  0, 1, VE },
-    { "me_quarter_pel", "Enable ME Quarter Pixel ",                 OFFSET(me_quarter_pel),AV_OPT_TYPE_BOOL,{ .i64 = 1   },  0, 1, VE },
+    { "skip_frame",     "Rate Control Based Frame Skip",            OFFSET(skip_frame),    AV_OPT_TYPE_BOOL,{ .i64 = -1   },  -1, 1, VE },
+    { "me_half_pel",    "Enable ME Half Pixel",                     OFFSET(me_half_pel),   AV_OPT_TYPE_BOOL,{ .i64 = -1   },  -1, 1, VE },
+    { "me_quarter_pel", "Enable ME Quarter Pixel ",                 OFFSET(me_quarter_pel),AV_OPT_TYPE_BOOL,{ .i64 = -1   },  -1, 1, VE },
+
+    { "aud",            "Inserts AU Delimiter NAL unit",            OFFSET(aud)           ,AV_OPT_TYPE_BOOL,{ .i64 = -1 }, -1, 1, VE },
 
-    { "aud",            "Inserts AU Delimiter NAL unit",            OFFSET(aud)           ,AV_OPT_TYPE_BOOL,{ .i64 = 0 }, 0, 1, VE },
+    { "encoder_instance_id", "specifies vcn instance number for encoding job",   OFFSET(encoder_instance_id),     AV_OPT_TYPE_INT,   {.i64 = -1 }, -1, 32, VE },
 
     { "log_to_dbg",     "Enable AMF logging to debug output",   OFFSET(log_to_dbg), AV_OPT_TYPE_BOOL,{ .i64 = 0 }, 0, 1, VE },
 
@@ -177,7 +183,9 @@ FF_ENABLE_DEPRECATION_WARNINGS
         return ret;
 
     // init static parameters
-    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_USAGE, ctx->usage);
+    if (ctx->usage != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_USAGE, ctx->usage);
+    }
 
     AMF_ASSIGN_PROPERTY_SIZE(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_FRAMESIZE, framesize);
 
@@ -191,20 +199,32 @@ FF_ENABLE_DEPRECATION_WARNINGS
         break;
     }
     if (profile == 0) {
-        profile = ctx->profile;
+        if (ctx->profile != -1) {
+            profile = ctx->profile;
+        }
     }
-    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_PROFILE, profile);
 
-    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_TIER, ctx->tier);
+    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_PROFILE, profile);
 
     profile_level = avctx->level;
     if (profile_level == AV_LEVEL_UNKNOWN) {
-        profile_level = ctx->level;
+        if(ctx->level != -1) {
+            profile_level = ctx->level;
+        }
     }
+
     if (profile_level != 0) {
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_PROFILE_LEVEL, profile_level);
     }
-    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_QUALITY_PRESET, ctx->quality);
+
+    if (ctx->quality != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_QUALITY_PRESET, ctx->quality);
+    }
+
+    if(ctx->tier != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_TIER, ctx->tier);
+    }
+
     // Maximum Reference Frames
     if (avctx->refs != -1) {
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_MAX_NUM_REFRAMES, avctx->refs);
@@ -222,23 +242,17 @@ FF_ENABLE_DEPRECATION_WARNINGS
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_SLICES_PER_FRAME, avctx->slices);
     }
     AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_DE_BLOCKING_FILTER_DISABLE, deblocking_filter);
-    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_HEADER_INSERTION_MODE, ctx->header_insertion_mode);
+
+    if (ctx->header_insertion_mode != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_HEADER_INSERTION_MODE, ctx->header_insertion_mode);
+    }
 
     // Rate control
     // autodetect rate control method
-    if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_UNKNOWN) {
-        if (ctx->min_qp_i != -1 || ctx->max_qp_i != -1 ||
-            ctx->min_qp_p != -1 || ctx->max_qp_p != -1 ||
-            ctx->qp_i !=-1 || ctx->qp_p != -1) {
-            ctx->rate_control_mode = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_CONSTANT_QP;
-            av_log(ctx, AV_LOG_DEBUG, "Rate control turned to CQP\n");
-        } else if (avctx->rc_max_rate > 0) {
-            ctx->rate_control_mode = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR;
-            av_log(ctx, AV_LOG_DEBUG, "Rate control turned to Peak VBR\n");
-        } else {
-            ctx->rate_control_mode = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_CBR;
-            av_log(ctx, AV_LOG_DEBUG, "Rate control turned to CBR\n");
-        }
+    if (ctx->rate_control_mode != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD, ctx->rate_control_mode);
+        res = ctx->encoder->pVtbl->GetProperty(ctx->encoder, AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD, &var);
+        ctx->rate_control_mode = (int)var.int64Value;
     }
 
     // Pre-Pass, Pre-Analysis, Two-Pass
@@ -248,7 +262,9 @@ FF_ENABLE_DEPRECATION_WARNINGS
             av_log(ctx, AV_LOG_WARNING, "Preencode is not supported by cqp Rate Control Method, automatically disabled\n");
     }
     else {
-        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_PREENCODE_ENABLE, ctx->preencode);
+        if (ctx->preencode != -1) {
+            AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_PREENCODE_ENABLE, ctx->preencode);
+        }
     }
 
     if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_QUALITY_VBR) {
@@ -261,7 +277,6 @@ FF_ENABLE_DEPRECATION_WARNINGS
         AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_HIGH_MOTION_QUALITY_BOOST_ENABLE, ((ctx->hw_high_motion_quality_boost == 0) ? false : true));
     }
 
-    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD, ctx->rate_control_mode);
     if (avctx->rc_buffer_size) {
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_VBV_BUFFER_SIZE, avctx->rc_buffer_size);
 
@@ -278,26 +293,57 @@ FF_ENABLE_DEPRECATION_WARNINGS
         if (ctx->enable_vbaq)
             av_log(ctx, AV_LOG_WARNING, "VBAQ is not supported by cqp Rate Control Method, automatically disabled\n");
     } else {
-        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_ENABLE_VBAQ, !!ctx->enable_vbaq);
+        if(ctx->enable_vbaq != -1) {
+            AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_ENABLE_VBAQ, !!ctx->enable_vbaq);
+        }
     }
-    AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_MOTION_HALF_PIXEL, ctx->me_half_pel);
-    AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_MOTION_QUARTERPIXEL, ctx->me_quarter_pel);
+
+    if(ctx->me_half_pel != -1) {
+        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_MOTION_HALF_PIXEL, ctx->me_half_pel);
+    }
+    if(ctx->me_quarter_pel != -1) {
+        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_MOTION_QUARTERPIXEL, ctx->me_quarter_pel);
+     }
 
     // init dynamic rate control params
-    if (ctx->max_au_size)
-        ctx->enforce_hrd = 1;
-    AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_ENFORCE_HRD, ctx->enforce_hrd);
-    AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_FILLER_DATA_ENABLE, ctx->filler_data);
+    if (ctx->enforce_hrd != -1) {
+        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_ENFORCE_HRD, ((ctx->enforce_hrd == 0) ? false : true));
+    }
+
+    if (ctx->filler_data != -1) {
+        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_FILLER_DATA_ENABLE, ((ctx->filler_data == 0) ? false : true));
+    }
 
     AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_TARGET_BITRATE, avctx->bit_rate);
 
-    if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_CBR) {
-        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_PEAK_BITRATE, avctx->bit_rate);
-    }
     if (avctx->rc_max_rate) {
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_PEAK_BITRATE, avctx->rc_max_rate);
-    } else if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR) {
-        av_log(ctx, AV_LOG_WARNING, "rate control mode is PEAK_CONSTRAINED_VBR but rc_max_rate is not set\n");
+    }
+
+    if (ctx->latency != -1) {
+        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_LOWLATENCY_MODE, ((ctx->latency == 0) ? false : true));
+    }
+
+    if (ctx->encoder_instance_id != -1) {
+        ctx->encoder->pVtbl->GetCaps(ctx->encoder, &ctx->encoder_caps);
+        res = ctx->encoder_caps->pVtbl->GetProperty(ctx->encoder_caps, AMF_VIDEO_ENCODER_HEVC_CAP_NUM_OF_HW_INSTANCES, &var);
+        if (res == AMF_OK) {
+            if(var.int64Value <= ctx->encoder_instance_id) {
+                av_log(ctx, AV_LOG_ERROR, "Excess number of hw instance specified. Max hw instances = %lld.\n", var.int64Value);
+                return AVERROR_EXIT;
+            }
+            else {
+                AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_INSTANCE_INDEX, ctx->encoder_instance_id);
+                if(res != AMF_OK) {
+                    av_log(ctx, AV_LOG_ERROR, "Unable to set the hw instance.\n");
+                    return AVERROR_EXIT;
+                }
+            }
+        }
+        else {
+            av_log(ctx, AV_LOG_ERROR, "Unable to get hw capability.\n");
+            return AVERROR_EXIT;
+        }
     }
 
     if (ctx->preanalysis != -1) {
@@ -307,6 +353,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
     res = ctx->encoder->pVtbl->GetProperty(ctx->encoder, AMF_VIDEO_ENCODER_HEVC_PRE_ANALYSIS_ENABLE, &var);
     if ((int)var.int64Value)
     {
+        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_PRE_ANALYSIS_ENABLE, true);
+
         if (ctx->pa_activity_type != -1) {
             AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_ACTIVITY_TYPE, ctx->pa_activity_type);
         }
@@ -356,7 +404,9 @@ FF_ENABLE_DEPRECATION_WARNINGS
     AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_BUG, "encoder->Init() failed with error %d\n", res);
 
     // init dynamic picture control params
-    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_MAX_AU_SIZE, ctx->max_au_size);
+    if(ctx->max_au_size != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_MAX_AU_SIZE, ctx->max_au_size);
+    }
 
     if (ctx->min_qp_i != -1) {
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_MIN_QP_I, ctx->min_qp_i);
@@ -389,7 +439,9 @@ FF_ENABLE_DEPRECATION_WARNINGS
     if (ctx->qp_i != -1) {
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_QP_I, ctx->qp_i);
     }
-    AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_SKIP_FRAME_ENABLE, ctx->skip_frame);
+    if (ctx->skip_frame != -1) {
+        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_SKIP_FRAME_ENABLE, ((ctx->skip_frame == 0) ? false : true));
+    }
 
     // fill extradata
     res = AMFVariantInit(&var);
@@ -424,8 +476,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
 static const FFCodecDefault defaults[] = {
     { "refs",       "-1"  },
     { "aspect",     "0"   },
-    { "b",          "2M"  },
-    { "g",          "250" },
+    { "b",          "0"  },
+    { "g",          "-1" },
     { "slices",     "1"   },
     { "qmin",       "-1"  },
     { "qmax",       "-1"  },
