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[FFmpeg-devel,2/2] libavcodec/amfenc: Update AMF encoder options

Message ID 20240613161902.1860-2-Primeadvice@gmail.com
State New
Headers show
Series [FFmpeg-devel,1/2] libavcodec/amfenc: Update AMF release version | expand

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Commit Message

Araz Iusubov June 13, 2024, 4:19 p.m. UTC
Encoder options have been updated to the current version of the AMF.

Signed-off-by: Araz Iusubov <Primeadvice@gmail.com>
---
 libavcodec/amfenc_av1.c  | 108 +++++++++++++++++++----------
 libavcodec/amfenc_h264.c | 146 +++++++++++++++++++++++++--------------
 libavcodec/amfenc_hevc.c | 143 +++++++++++++++++++++++++-------------
 3 files changed, 259 insertions(+), 138 deletions(-)
diff mbox series

Patch

diff --git a/libavcodec/amfenc_av1.c b/libavcodec/amfenc_av1.c
index 9f18aac648..d40c71cb33 100644
--- a/libavcodec/amfenc_av1.c
+++ b/libavcodec/amfenc_av1.c
@@ -25,15 +25,16 @@ 
 #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" },
+    { "usage",                  "Set the encoding usage",                   OFFSET(usage),                          AV_OPT_TYPE_INT,   {.i64 = -1 }, -1, AMF_VIDEO_ENCODER_AV1_USAGE_LOW_LATENCY, VE, .unit = "usage" },
+    { "transcoding",            "Generic Transcoding",                      0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_TRANSCODING               }, 0, 0, VE, .unit = "usage" },
+    { "lowlatency",             "Low latency usecase",                      0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_LOW_LATENCY               }, 0, 0, VE, .unit = "usage" },
+
+    { "profile",                "Set the profile",           OFFSET(profile),                        AV_OPT_TYPE_INT,{.i64 = -1 }, -1, AMF_VIDEO_ENCODER_AV1_PROFILE_MAIN, VE, .unit = "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" },
-    { "auto",                   "", 0, AV_OPT_TYPE_CONST, {.i64 = 0                               }, 0, 0, VE, .unit = "level" },
+    { "level",                  "Set the encoding level (default auto)",    OFFSET(level),              AV_OPT_TYPE_INT,{.i64 = -1 }, -1, AMF_VIDEO_ENCODER_AV1_LEVEL_7_3, VE, .unit = "level" },
+    { "auto",                   "", 0, AV_OPT_TYPE_CONST, {.i64 = -1                              }, 0, 0, VE, .unit = "level" },
     { "2.0",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_2_0 }, 0, 0, VE, .unit = "level" },
     { "2.1",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_2_1 }, 0, 0, VE, .unit = "level" },
     { "2.2",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_2_2 }, 0, 0, VE, .unit = "level" },
@@ -59,11 +60,12 @@  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" },
+    { "quality",                "Set the encoding quality preset", OFFSET(quality), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_SPEED, VE, .unit = "quality" },
+    { "preset",                 "Set the encoding quality preset", OFFSET(quality), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_SPEED, VE, .unit = "quality" },
+    { "high_quality",           "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_HIGH_QUALITY  }, 0, 0, VE, .unit = "quality" },
+    { "quality",                "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_QUALITY       }, 0, 0, VE, .unit = "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" },
     { "cqp",                    "Constant Quantization Parameter",      0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_CONSTANT_QP             }, 0, 0, VE, .unit = "rc" },
@@ -76,15 +78,14 @@  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, .unit = "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 },
 
@@ -95,7 +96,7 @@  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 },
+    { "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" },
@@ -185,7 +186,9 @@  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 +202,27 @@  FF_ENABLE_DEPRECATION_WARNINGS
         break;
     }
     if (profile == 0) {
-        profile = ctx->profile;
+        if (ctx->profile != -1) {
+            profile = ctx->profile;
+        }
+    }
+
+    if (profile !=  0) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_PROFILE, 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 (profile_level != 0) {
+
+    if (profile_level != -1) {
         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) {
@@ -221,8 +233,9 @@  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
@@ -233,24 +246,29 @@  FF_ENABLE_DEPRECATION_WARNINGS
             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 {
+        else if (avctx->bit_rate > 0 && avctx->rc_max_rate == avctx->bit_rate) {
             ctx->rate_control_mode = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_CBR;
             av_log(ctx, AV_LOG_DEBUG, "Rate control turned to CBR\n");
         }
+        else {
+            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");
+        }
     }
 
     // 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)
-            av_log(ctx, AV_LOG_WARNING, "Preencode is not supported by cqp Rate Control Method, automatically disabled\n");
+        if (ctx->preencode != -1) {
+            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) {
@@ -264,6 +282,7 @@  FF_ENABLE_DEPRECATION_WARNINGS
     }
 
     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);
 
@@ -276,16 +295,24 @@  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));
+    }
 
-    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_TARGET_BITRATE, avctx->bit_rate);
+    if (ctx->filler_data != -1) {
+        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_FILLER_DATA, ((ctx->filler_data == 0) ? false : true));
+    }
+
+    if (avctx->bit_rate) {
+        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->bit_rate) {
+            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);
     }
@@ -336,6 +363,8 @@  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 +449,10 @@  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 +488,8 @@  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 abfac2a90f..32baa8e91a 100644
--- a/libavcodec/amfenc_h264.c
+++ b/libavcodec/amfenc_h264.c
@@ -30,17 +30,16 @@ 
 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" },
-    { "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" },
-    { "webcam",         "Webcam",               0,              AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_WEBCAM            }, 0, 0, VE, .unit = "usage" },
-    { "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" },
-
+    { "usage",          "Encoder Usage",        OFFSET(usage),  AV_OPT_TYPE_INT,   { .i64 = -1 }, -1, AMF_VIDEO_ENCODER_USAGE_LOW_LATENCY_HIGH_QUALITY, VE, .unit = "usage" },
+    { "transcoding",    "Generic Transcoding",          0,      AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_TRANSCODING       }, 0, 0, VE, .unit = "usage" },
+    { "ultralowlatency","Ultra low latency usecase",    0,      AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_ULTRA_LOW_LATENCY }, 0, 0, VE, .unit = "usage" },
+    { "lowlatency",     "Low latency usecase",          0,      AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_LOW_LATENCY       }, 0, 0, VE, .unit = "usage" },
+    { "webcam",         "Webcam",                       0,      AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_WEBCAM            }, 0, 0, VE, .unit = "usage" },
+    { "high_quality",   "High quality usecase",         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 usecase",  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, .unit = "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" },
@@ -71,10 +70,11 @@  static const AVOption options[] = {
 
 
     /// 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" },
-    { "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" },
+    { "quality",        "Set the encoding quality preset",  OFFSET(quality),    AV_OPT_TYPE_INT,   { .i64 = -1 }, -1, AMF_VIDEO_ENCODER_QUALITY_PRESET_QUALITY, VE, .unit = "quality" },
+    { "preset",         "Set the encoding quality preset",  OFFSET(quality),    AV_OPT_TYPE_INT,   { .i64 = -1 }, -1, AMF_VIDEO_ENCODER_QUALITY_PRESET_QUALITY, VE, .unit = "quality" },
+    { "balanced",       "Balanced",                         0,                  AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_QUALITY_PRESET_BALANCED },    0, 0, VE, .unit = "quality" },
+    { "speed",          "Prefer Speed",                     0,                  AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_QUALITY_PRESET_SPEED    },    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
@@ -90,10 +90,10 @@  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 },
 
     /// QP Values
     { "qp_i",           "Quantization Parameter for I-Frame",   OFFSET(qp_i),               AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
@@ -101,10 +101,10 @@  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 },
+    { "max_au_size",    "Maximum Access Unit Size for rate control (in bits)",   OFFSET(max_au_size),        AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
 
     /// Header Insertion Spacing
     { "header_spacing", "Header Insertion Spacing",             OFFSET(header_spacing),     AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1000, VE },
@@ -119,7 +119,7 @@  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 +129,11 @@  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 },
 
     { "log_to_dbg",     "Enable AMF logging to debug output",   OFFSET(log_to_dbg)    , AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
 
@@ -215,8 +216,10 @@  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 +243,20 @@  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);
+    if (profile != 0) {
+        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 (profile_level != 0) {
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_PROFILE_LEVEL, profile_level);
     }
@@ -272,21 +280,27 @@  FF_ENABLE_DEPRECATION_WARNINGS
         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 {
+        } else if (avctx->bit_rate > 0 && avctx->rc_max_rate == avctx->bit_rate) {
             ctx->rate_control_mode = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CBR;
             av_log(ctx, AV_LOG_DEBUG, "Rate control turned to CBR\n");
+        } else {
+            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");
         }
     }
 
     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);
+        if (ctx->preencode != -1) {
+            if (ctx->preencode) {
+                av_log(ctx, AV_LOG_WARNING, "Preencode is not supported by cqp Rate Control Method, automatically disabled\n");
+            }
+        }
+    }
+    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) {
@@ -299,9 +313,11 @@  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);
+    if (ctx->quality != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_QUALITY_PRESET, ctx->quality);
+    }
 
-    // Dynamic parmaters
+    // Dynamic parameters
     AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD, ctx->rate_control_mode);
 
     /// VBV Buffer
@@ -314,11 +330,14 @@  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) {
@@ -342,11 +361,16 @@  FF_ENABLE_DEPRECATION_WARNINGS
     if (ctx->qp_b != -1)
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_QP_B, ctx->qp_b);
 
-    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_TARGET_BITRATE, avctx->bit_rate);
+    if (avctx->bit_rate) {
+        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->bit_rate) {
+            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) {
@@ -360,6 +384,8 @@  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 +466,26 @@  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 +497,7 @@  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 +507,13 @@  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 +551,8 @@  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 0a74ccd6c4..2915a83677 100644
--- a/libavcodec/amfenc_hevc.c
+++ b/libavcodec/amfenc_hevc.c
@@ -25,19 +25,20 @@ 
 
 #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" },
-    { "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" },
-    { "webcam",                 "Webcam",                                   0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_HEVC_USAGE_WEBCAM                    }, 0, 0, VE, .unit = "usage" },
-    { "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" },
+    { "usage",                   "Set the encoding usage",                   OFFSET(usage),                          AV_OPT_TYPE_INT,   {.i64 = -1 }, -1, AMF_VIDEO_ENCODER_HEVC_USAGE_LOW_LATENCY_HIGH_QUALITY, VE, .unit = "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 usecase",                0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_HEVC_USAGE_ULTRA_LOW_LATENCY         }, 0, 0, VE, .unit = "usage" },
+    { "lowlatency",              "Low latency usecase",                      0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_HEVC_USAGE_LOW_LATENCY               }, 0, 0, VE, .unit = "usage" },
+    { "webcam",                  "Webcam",                                   0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_HEVC_USAGE_WEBCAM                    }, 0, 0, VE, .unit = "usage" },
+    { "high_quality",            "High quality usecase",                     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 usecase",     0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_HEVC_USAGE_LOW_LATENCY_HIGH_QUALITY  }, 0, 0, VE, .unit = "usage" },
+
     { "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, .unit = "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, .unit = "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" },
 
@@ -57,10 +58,11 @@  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" },
+    { "quality",        "Set the encoding quality preset",     OFFSET(quality),    AV_OPT_TYPE_INT,   { .i64 = -1 }, -1, AMF_VIDEO_ENCODER_HEVC_QUALITY_PRESET_SPEED, VE, .unit = "quality" },
+    { "preset",         "Set the encoding quality preset",     OFFSET(quality),    AV_OPT_TYPE_INT,   { .i64 = -1 }, -1, AMF_VIDEO_ENCODER_HEVC_QUALITY_PRESET_SPEED, VE, .unit = "quality" },
+    { "quality",        "", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_QUALITY_PRESET_QUALITY  }, 0, 0, VE, .unit = "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" },
     { "cqp",            "Constant Quantization Parameter",      0, AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_CONSTANT_QP             }, 0, 0, VE, .unit = "rc" },
@@ -73,29 +75,30 @@  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, .unit = "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},
-    { "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},
+    { "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 = -1 }, -1, 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 },
     { "min_qp_p",       "min quantization parameter for P-frame",   OFFSET(min_qp_p),      AV_OPT_TYPE_INT, { .i64 = -1  }, -1, 51, VE },
     { "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 },
 
     { "log_to_dbg",     "Enable AMF logging to debug output",   OFFSET(log_to_dbg), AV_OPT_TYPE_BOOL,{ .i64 = 0 }, 0, 1, VE },
 
@@ -177,7 +180,9 @@  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 +196,32 @@  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);
+    if (profile != 0) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_PROFILE, profile);
+    }
+
+    if (ctx->tier != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_TIER, ctx->tier);
+    }
 
     profile_level = avctx->level;
     if (profile_level == AV_LEVEL_UNKNOWN) {
         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);
+    }
+
     // Maximum Reference Frames
     if (avctx->refs != -1) {
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_MAX_NUM_REFRAMES, avctx->refs);
@@ -222,7 +239,10 @@  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
@@ -232,23 +252,28 @@  FF_ENABLE_DEPRECATION_WARNINGS
             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 {
+        } else if (avctx->bit_rate > 0 && avctx->rc_max_rate == avctx->bit_rate) {
             ctx->rate_control_mode = AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_CBR;
             av_log(ctx, AV_LOG_DEBUG, "Rate control turned to CBR\n");
+        } else {
+            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");
         }
     }
 
     // Pre-Pass, Pre-Analysis, Two-Pass
     if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_CONSTANT_QP) {
         AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_PREENCODE_ENABLE, 0);
-        if (ctx->preencode)
-            av_log(ctx, AV_LOG_WARNING, "Preencode is not supported by cqp Rate Control Method, automatically disabled\n");
+        if (ctx->preencode != -1) {
+            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_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) {
@@ -262,6 +287,7 @@  FF_ENABLE_DEPRECATION_WARNINGS
     }
 
     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);
 
@@ -278,22 +304,37 @@  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);
+        }
+    }
+
+    if (ctx->me_half_pel != -1) {
+        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_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_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));
+    }
 
-    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_TARGET_BITRATE, avctx->bit_rate);
+    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));
+    }
+
+    if (avctx->bit_rate) {
+        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->bit_rate) {
+            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) {
@@ -307,6 +348,8 @@  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 +399,9 @@  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 +434,9 @@  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 +471,8 @@  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"  },