libavcodec/amfenc: add PreAnalysis support

Additional information about the work of preanalysis can be found here:
https://github.com/GPUOpen-LibrariesAndSDKs/AMF/wiki/PreProcessing%20and%20PreAnalysis

1 files changed, 163 insertions, 24 deletions

diff --git a/libavcodec/amfenc_h264.c b/libavcodec/amfenc_h264.c
index d2fc33971b..2380aa4e90 100644
--- a/libavcodec/amfenc_h264.c
+++ b/libavcodec/amfenc_h264.c
@@ -22,6 +22,7 @@
 #include "amfenc.h"
 #include "codec_internal.h"
 #include "internal.h"
+#include <AMF/components/PreAnalysis.h>
 
 #define OFFSET(x) offsetof(AmfContext, x)
 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
@@ -29,11 +30,14 @@
 static const AVOption options[] = {
     // Static
     /// Usage
-    { "usage",          "Encoder Usage",        OFFSET(usage),  AV_OPT_TYPE_INT,   { .i64 = AMF_VIDEO_ENCODER_USAGE_TRANSCONDING      }, AMF_VIDEO_ENCODER_USAGE_TRANSCONDING, AMF_VIDEO_ENCODER_USAGE_WEBCAM, VE, "usage" },
-    { "transcoding",    "Generic Transcoding",  0,              AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_TRANSCONDING      }, 0, 0, VE, "usage" },
-    { "ultralowlatency","",                     0,              AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_ULTRA_LOW_LATENCY }, 0, 0, VE, "usage" },
-    { "lowlatency",     "",                     0,              AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_LOW_LATENCY       }, 0, 0, VE, "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, "usage" },
+    { "transcoding",    "Generic Transcoding",  0,              AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_TRANSCODING       }, 0, 0, VE, "usage" },
+    { "ultralowlatency","ultra low latency trancoding", 0,      AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_ULTRA_LOW_LATENCY }, 0, 0, VE, "usage" },
+    { "lowlatency",     "low latency trancoding", 0,            AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_LOW_LATENCY       }, 0, 0, VE, "usage" },
     { "webcam",         "Webcam",               0,              AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_USAGE_WEBCAM            }, 0, 0, VE, "usage" },
+    { "high_quality",   "high quality trancoding", 0,           AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_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_USAGE_LOW_LATENCY_HIGH_QUALITY }, 0, 0, VE, "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, "profile" },
@@ -74,11 +78,16 @@ static const AVOption options[] = {
 
     // 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_LATENCY_CONSTRAINED_VBR, VE, "rc" },
+    { "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, "rc" },
     { "cqp",            "Constant Quantization Parameter",      0,                         AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CONSTANT_QP             }, 0, 0, VE, "rc" },
     { "cbr",            "Constant Bitrate",                     0,                         AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CBR                     }, 0, 0, VE, "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, "rc" },
     { "vbr_latency",    "Latency Constrained Variable Bitrate", 0,                         AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_LATENCY_CONSTRAINED_VBR }, 0, 0, VE, "rc" },
+    { "qvbr",           "Quality Variable Bitrate",             0,                         AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_QUALITY_VBR             }, 0, 0, VE, "rc" },
+    { "hqvbr",          "High Quality Variable Bitrate",        0,                         AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_HIGH_QUALITY_VBR        }, 0, 0, VE, "rc" },
+    { "hqcbr",          "High Quality Constant Bitrate",        0,                         AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_HIGH_QUALITY_CBR        }, 0, 0, VE, "rc" },
+
+    { "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 },
@@ -92,7 +101,7 @@ 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
-    { "preanalysis",    "Pre-Analysis Mode",                    OFFSET(preanalysis),        AV_OPT_TYPE_BOOL,{ .i64 = 0 }, 0, 1, VE, NULL },
+    { "preencode",      "Pre-encode assisted rate control",     OFFSET(preencode),          AV_OPT_TYPE_BOOL,{ .i64 = 0 }, 0, 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 },
@@ -106,6 +115,9 @@ static const AVOption options[] = {
     { "bf_ref",         "Enable Reference to B-Frames",         OFFSET(b_frame_ref),        AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE },
     { "bf_ref_delta_qp","Reference B-Picture Delta QP",         OFFSET(ref_b_frame_delta_qp), AV_OPT_TYPE_INT,  { .i64 = 4 }, -10, 10, VE },
 
+    { "max_b_frames",   "Maximum number of consecutive B Pictures", OFFSET(max_consecutive_b_frames), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 3, VE },
+    { "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 },
 
@@ -115,6 +127,8 @@ static const AVOption options[] = {
     { "cavlc",          "Context Adaptive Variable-Length Coding", 0,                  AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_CALV },      0, 0, VE, "coder" },
     { "cabac",          "Context Adaptive Binary Arithmetic Coding", 0,                AV_OPT_TYPE_CONST, { .i64 = AMF_VIDEO_ENCODER_CABAC },     0, 0, VE, "coder" },
 
+    { "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 },
 
@@ -122,6 +136,53 @@ static const AVOption options[] = {
 
     { "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
+    { "preanalysis",                            "Enable preanalysis",                                           OFFSET(preanalysis),                            AV_OPT_TYPE_BOOL,   {.i64 = -1 }, -1, 1, VE },
+
+    { "pa_activity_type",                       "Set the type of activity analysis",                            OFFSET(pa_activity_type),                       AV_OPT_TYPE_INT,    {.i64 = -1 }, -1, AMF_PA_ACTIVITY_YUV, VE, "activity_type" },
+    { "y",                                      "activity y",   0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_ACTIVITY_Y     }, 0, 0, VE, "activity_type" },
+    { "yuv",                                    "activity yuv", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_ACTIVITY_YUV   }, 0, 0, VE, "activity_type" },
+
+    { "pa_scene_change_detection_enable",       "Enable scene change detection",                                OFFSET(pa_scene_change_detection),              AV_OPT_TYPE_BOOL,   {.i64 = -1 }, -1, 1, VE },
+
+    { "pa_scene_change_detection_sensitivity",  "Set the sensitivity of scene change detection",                OFFSET(pa_scene_change_detection_sensitivity),  AV_OPT_TYPE_INT,    {.i64 = -1 }, -1, AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_HIGH, VE, "scene_change_sensitivity" },
+    { "low",                                    "low scene change dectection sensitivity",      0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_LOW     }, 0, 0, VE, "scene_change_sensitivity" },
+    { "medium",                                 "medium scene change dectection sensitivity",   0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_MEDIUM  }, 0, 0, VE, "scene_change_sensitivity" },
+    { "high",                                   "high scene change dectection sensitivity",     0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY_HIGH    }, 0, 0, VE, "scene_change_sensitivity" },
+
+    { "pa_static_scene_detection_enable",       "Enable static scene detection",                                OFFSET(pa_static_scene_detection),              AV_OPT_TYPE_BOOL,   {.i64 = -1 }, -1, 1, VE },
+
+    { "pa_static_scene_detection_sensitivity",  "Set the sensitivity of static scene detection",                OFFSET(pa_static_scene_detection_sensitivity),  AV_OPT_TYPE_INT,    {.i64 = -1 }, -1, AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_HIGH, VE , "static_scene_sensitivity" },
+    { "low",                                    "low static scene dectection sensitivity",      0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_LOW    }, 0, 0, VE, "static_scene_sensitivity" },
+    { "medium",                                 "medium static scene dectection sensitivity",   0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_MEDIUM }, 0, 0, VE, "static_scene_sensitivity" },
+    { "high",                                   "high static scene dectection sensitivity",     0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY_HIGH   }, 0, 0, VE, "static_scene_sensitivity" },
+
+    { "pa_initial_qp_after_scene_change",       "The QP value that is used immediately after a scene change",   OFFSET(pa_initial_qp),                          AV_OPT_TYPE_INT,    {.i64 = -1 }, -1, 51, VE },
+    { "pa_max_qp_before_force_skip",            "The QP threshold to allow a skip frame",                       OFFSET(pa_max_qp),                              AV_OPT_TYPE_INT,    {.i64 = -1 }, -1, 51, VE },
+
+    { "pa_caq_strength",                        "Content Adaptive Quantization strength",                       OFFSET(pa_caq_strength),                        AV_OPT_TYPE_INT,    {.i64 = -1 }, -1, AMF_PA_CAQ_STRENGTH_HIGH, VE , "caq_strength" },
+    { "low",                                    "low Content Adaptive Quantization strength",       0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_CAQ_STRENGTH_LOW      }, 0, 0, VE, "caq_strength" },
+    { "medium",                                 "medium Content Adaptive Quantization strength",    0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_CAQ_STRENGTH_MEDIUM   }, 0, 0, VE, "caq_strength" },
+    { "high",                                   "high Content Adaptive Quantization strength",      0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_CAQ_STRENGTH_HIGH     }, 0, 0, VE, "caq_strength" },
+
+    { "pa_frame_sad_enable",                    "Enable Frame SAD algorithm",                                   OFFSET(pa_frame_sad),                           AV_OPT_TYPE_BOOL,   {.i64 = -1 }, -1, 1, VE },
+    { "pa_ltr_enable",                          "Enable long term reference frame management",                  OFFSET(pa_ltr),                                 AV_OPT_TYPE_BOOL,   {.i64 = -1 }, -1, 1, VE },
+    { "pa_lookahead_buffer_depth",              "Sets the PA lookahead buffer size",                            OFFSET(pa_lookahead_buffer_depth),              AV_OPT_TYPE_INT,    {.i64 = -1 }, -1, MAX_LOOKAHEAD_DEPTH, VE },
+
+    { "pa_paq_mode",                            "Sets the perceptual adaptive quantization mode",               OFFSET(pa_paq_mode),                            AV_OPT_TYPE_INT,    {.i64 = -1 }, -1, AMF_PA_PAQ_MODE_CAQ, VE , "paq_mode" },
+    { "none",                                   "no perceptual adaptive quantization",  0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_PAQ_MODE_NONE }, 0, 0, VE, "paq_mode" },
+    { "caq",                                    "caq perceptual adaptive quantization", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_PAQ_MODE_CAQ  }, 0, 0, VE, "paq_mode" },
+
+    { "pa_taq_mode",                            "Sets the temporal adaptive quantization mode",                 OFFSET(pa_taq_mode),                            AV_OPT_TYPE_INT,    {.i64 = -1 }, -1, AMF_PA_TAQ_MODE_2, VE , "taq_mode" },
+    { "none",                                   "no temporal adaptive quantization",        0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_TAQ_MODE_NONE }, 0, 0, VE, "taq_mode" },
+    { "1",                                      "temporal adaptive quantization mode 1",    0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_TAQ_MODE_1    }, 0, 0, VE, "taq_mode" },
+    { "2",                                      "temporal adaptive quantization mode 2",    0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_TAQ_MODE_2    }, 0, 0, VE, "taq_mode" },
+
+    { "pa_high_motion_quality_boost_mode",      "Sets the PA high motion quality boost mode",                   OFFSET(pa_high_motion_quality_boost_mode),      AV_OPT_TYPE_INT,    {.i64 = -1 }, -1, AMF_PA_HIGH_MOTION_QUALITY_BOOST_MODE_AUTO, VE , "high_motion_quality_boost_mode" },
+    { "none",                                   "no high motion quality boost",     0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_HIGH_MOTION_QUALITY_BOOST_MODE_NONE   }, 0, 0, VE, "high_motion_quality_boost_mode" },
+    { "auto",                                   "auto high motion quality boost",   0, AV_OPT_TYPE_CONST, {.i64 = AMF_PA_HIGH_MOTION_QUALITY_BOOST_MODE_AUTO   }, 0, 0, VE, "high_motion_quality_boost_mode" },
+
+    { "pa_adaptive_mini_gop",                  "Enable Adaptive MiniGOP",                                      OFFSET(pa_adaptive_mini_gop),                      AV_OPT_TYPE_BOOL,   { .i64 = -1 }, -1, 1, VE },
     { NULL }
 };
 
@@ -221,11 +282,21 @@ FF_ENABLE_DEPRECATION_WARNINGS
     }
 
     if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_RATE_CONTROL_METHOD_CONSTANT_QP) {
-        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_RATE_CONTROL_PREANALYSIS_ENABLE, AMF_VIDEO_ENCODER_PREENCODE_DISABLED);
-        if (ctx->preanalysis)
-            av_log(ctx, AV_LOG_WARNING, "Pre-Analysis is not supported by cqp Rate Control Method, automatically disabled\n");
+        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_RATE_CONTROL_PREANALYSIS_ENABLE, ctx->preanalysis);
+        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) {
+        if (ctx->qvbr_quality_level != -1) {
+            AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_QVBR_QUALITY_LEVEL, ctx->qvbr_quality_level);
+        }
+    }
+
+    if (ctx->hw_high_motion_quality_boost != -1) {
+        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);
@@ -282,6 +353,88 @@ FF_ENABLE_DEPRECATION_WARNINGS
         av_log(ctx, AV_LOG_WARNING, "rate control mode is PEAK_CONSTRAINED_VBR but rc_max_rate is not set\n");
     }
 
+    if (ctx->preanalysis != -1) {
+        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_PRE_ANALYSIS_ENABLE, !!((ctx->preanalysis == 0) ? false : true));
+    }
+
+    res = ctx->encoder->pVtbl->GetProperty(ctx->encoder, AMF_VIDEO_ENCODER_PRE_ANALYSIS_ENABLE, &var);
+    if ((int)var.int64Value)
+    {
+        if (ctx->pa_activity_type != -1) {
+            AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_ACTIVITY_TYPE, ctx->pa_activity_type);
+        }
+        if (ctx->pa_scene_change_detection != -1) {
+            AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_PA_SCENE_CHANGE_DETECTION_ENABLE, ((ctx->pa_scene_change_detection == 0) ? false : true));
+        }
+        if (ctx->pa_scene_change_detection_sensitivity != -1) {
+            AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_SCENE_CHANGE_DETECTION_SENSITIVITY, ctx->pa_scene_change_detection_sensitivity);
+        }
+        if (ctx->pa_static_scene_detection != -1) {
+            AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_PA_STATIC_SCENE_DETECTION_ENABLE, ((ctx->pa_static_scene_detection == 0) ? false : true));
+        }
+        if (ctx->pa_static_scene_detection_sensitivity != -1) {
+            AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_STATIC_SCENE_DETECTION_SENSITIVITY, ctx->pa_static_scene_detection_sensitivity);
+        }
+        if (ctx->pa_initial_qp != -1) {
+            AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_INITIAL_QP_AFTER_SCENE_CHANGE, ctx->pa_initial_qp);
+        }
+        if (ctx->pa_max_qp != -1) {
+            AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_MAX_QP_BEFORE_FORCE_SKIP, ctx->pa_max_qp);
+        }
+        if (ctx->pa_caq_strength != -1) {
+            AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_CAQ_STRENGTH, ctx->pa_caq_strength);
+        }
+        if (ctx->pa_frame_sad != -1) {
+            AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_PA_FRAME_SAD_ENABLE, ((ctx->pa_frame_sad == 0) ? false : true));
+        }
+        if (ctx->pa_paq_mode != -1) {
+            AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_PAQ_MODE, ctx->pa_paq_mode);
+        }
+        if (ctx->pa_taq_mode != -1) {
+            AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_TAQ_MODE, ctx->pa_taq_mode);
+        }
+        if (ctx->pa_adaptive_mini_gop != -1) {
+            AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_ADAPTIVE_MINIGOP, ((ctx->pa_adaptive_mini_gop == 0) ? false : true));
+        }
+        if (ctx->pa_ltr != -1) {
+            AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_PA_LTR_ENABLE, ((ctx->pa_ltr == 0) ? false : true));
+        }
+        if (ctx->pa_lookahead_buffer_depth != -1) {
+            AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_LOOKAHEAD_BUFFER_DEPTH, ctx->pa_lookahead_buffer_depth);
+        }
+        if (ctx->pa_high_motion_quality_boost_mode != -1) {
+            AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_PA_HIGH_MOTION_QUALITY_BOOST_MODE, ctx->pa_high_motion_quality_boost_mode);
+        }
+    }
+
+    // B-Frames
+    if (ctx->max_consecutive_b_frames != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_MAX_CONSECUTIVE_BPICTURES, ctx->max_consecutive_b_frames);
+        if (ctx->max_b_frames != -1) {
+            AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_B_PIC_PATTERN, ctx->max_b_frames);
+            if (res != AMF_OK) {
+                res = ctx->encoder->pVtbl->GetProperty(ctx->encoder, AMF_VIDEO_ENCODER_B_PIC_PATTERN, &var);
+                av_log(ctx, AV_LOG_WARNING, "B-frames=%d is not supported by this GPU, switched to %d\n",
+                    ctx->max_b_frames, (int)var.int64Value);
+                ctx->max_b_frames = (int)var.int64Value;
+            }
+            if (ctx->max_consecutive_b_frames < ctx->max_b_frames) {
+                av_log(ctx, AVERROR_BUG, "Maxium B frames needs to be greater than the specified B frame count.\n");
+            }
+        }
+    }
+    else {
+        if (ctx->max_b_frames != -1) {
+            av_log(ctx, AVERROR_BUG, "Maxium number of B frames needs to be specified.\n");
+        }
+    }
+    res = ctx->encoder->pVtbl->GetProperty(ctx->encoder, AMF_VIDEO_ENCODER_B_PIC_PATTERN, &var);
+    if ((int)var.int64Value) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_B_PIC_DELTA_QP, ctx->b_frame_delta_qp);
+        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_B_REFERENCE_ENABLE, !!ctx->b_frame_ref);
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_REF_B_PIC_DELTA_QP, ctx->ref_b_frame_delta_qp);
+    }
+
     // Initialize Encoder
     res = ctx->encoder->pVtbl->Init(ctx->encoder, ctx->format, avctx->width, avctx->height);
     AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_BUG, "encoder->Init() failed with error %d\n", res);
@@ -299,20 +452,6 @@ FF_ENABLE_DEPRECATION_WARNINGS
     }
     AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_DE_BLOCKING_FILTER, !!deblocking_filter);
 
-    // B-Frames
-    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_B_PIC_PATTERN, avctx->max_b_frames);
-    if (res != AMF_OK) {
-        res = ctx->encoder->pVtbl->GetProperty(ctx->encoder, AMF_VIDEO_ENCODER_B_PIC_PATTERN, &var);
-        av_log(ctx, AV_LOG_WARNING, "B-frames=%d is not supported by this GPU, switched to %d\n",
-            avctx->max_b_frames, (int)var.int64Value);
-        avctx->max_b_frames = (int)var.int64Value;
-    }
-    if (avctx->max_b_frames) {
-        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_B_PIC_DELTA_QP, ctx->b_frame_delta_qp);
-        AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_B_REFERENCE_ENABLE, !!ctx->b_frame_ref);
-        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_REF_B_PIC_DELTA_QP, ctx->ref_b_frame_delta_qp);
-    }
-
     // Keyframe Interval
     AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_IDR_PERIOD, avctx->gop_size);