libavcodec/amfenc: add AV1 encoding support

Tested-by: Jean-Baptiste Kempf <jb@videolan.org>

1 files changed, 361 insertions, 0 deletions

diff --git a/libavcodec/amfenc_av1.c b/libavcodec/amfenc_av1.c
new file mode 100644
index 0000000000..8093cb7357
--- /dev/null
+++ b/libavcodec/amfenc_av1.c
@@ -0,0 +1,361 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/internal.h"
+#include "libavutil/opt.h"
+#include "amfenc.h"
+#include "codec_internal.h"
+#include "internal.h"
+
+#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, "usage" },
+    { "transcoding",            "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_TRANSCODING }, 0, 0, VE, "usage" },
+    { "lowlatency",             "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_USAGE_LOW_LATENCY }, 0, 0, VE, "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, "profile" },
+    { "main",                   "", 0, AV_OPT_TYPE_CONST,{.i64 = AMF_VIDEO_ENCODER_AV1_PROFILE_MAIN }, 0, 0, VE, "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, "level" },
+    { "auto",                   "", 0, AV_OPT_TYPE_CONST, {.i64 = 0                               }, 0, 0, VE, "level" },
+    { "2.0",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_2_0 }, 0, 0, VE, "level" },
+    { "2.1",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_2_1 }, 0, 0, VE, "level" },
+    { "2.2",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_2_2 }, 0, 0, VE, "level" },
+    { "2.3",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_2_3 }, 0, 0, VE, "level" },
+    { "3.0",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_3_0 }, 0, 0, VE, "level" },
+    { "3.1",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_3_1 }, 0, 0, VE, "level" },
+    { "3.2",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_3_2 }, 0, 0, VE, "level" },
+    { "3.3",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_3_3 }, 0, 0, VE, "level" },
+    { "4.0",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_4_0 }, 0, 0, VE, "level" },
+    { "4.1",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_4_1 }, 0, 0, VE, "level" },
+    { "4.2",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_4_2 }, 0, 0, VE, "level" },
+    { "4.3",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_4_3 }, 0, 0, VE, "level" },
+    { "5.0",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_5_0 }, 0, 0, VE, "level" },
+    { "5.1",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_5_1 }, 0, 0, VE, "level" },
+    { "5.2",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_5_2 }, 0, 0, VE, "level" },
+    { "5.3",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_5_3 }, 0, 0, VE, "level" },
+    { "6.0",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_6_0 }, 0, 0, VE, "level" },
+    { "6.1",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_6_1 }, 0, 0, VE, "level" },
+    { "6.2",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_6_2 }, 0, 0, VE, "level" },
+    { "6.3",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_6_3 }, 0, 0, VE, "level" },
+    { "7.0",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_7_0 }, 0, 0, VE, "level" },
+    { "7.1",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_7_1 }, 0, 0, VE, "level" },
+    { "7.2",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_7_2 }, 0, 0, VE, "level" },
+    { "7.3",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_LEVEL_7_3 }, 0, 0, VE, "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, "quality" },
+    { "balanced",               "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_BALANCED      }, 0, 0, VE, "quality" },
+    { "speed",                  "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_SPEED         }, 0, 0, VE, "quality" },
+    { "quality",                "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_QUALITY       }, 0, 0, VE, "quality" },
+    { "high_quality",           "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_QUALITY_PRESET_HIGH_QUALITY  }, 0, 0, VE, "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_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, "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, "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, "rc" },
+    { "cbr",                    "Constant Bitrate",                     0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_CBR                     }, 0, 0, VE, "rc" },
+
+    { "header_insertion_mode",  "Set header insertion mode",                OFFSET(header_insertion_mode),          AV_OPT_TYPE_INT,{.i64 = AMF_VIDEO_ENCODER_AV1_HEADER_INSERTION_MODE_NONE }, AMF_VIDEO_ENCODER_AV1_HEADER_INSERTION_MODE_NONE, 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, "hdrmode" },
+    { "gop",                    "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_HEADER_INSERTION_MODE_GOP_ALIGNED       }, 0, 0, VE, "hdrmode" },
+    { "frame",                  "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_HEADER_INSERTION_MODE_KEY_FRAME_ALIGNED }, 0, 0, VE, "hdrmode" },
+
+    { "preanalysis",            "Enable preanalysis",                       OFFSET(preanalysis),                    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},
+
+    // min_qp_i -> min_qp_intra, min_qp_p -> min_qp_inter
+    { "min_qp_i",               "min quantization parameter for I-frame",   OFFSET(min_qp_i),                       AV_OPT_TYPE_INT, {.i64 = -1  }, -1, 255, VE },
+    { "max_qp_i",               "max quantization parameter for I-frame",   OFFSET(max_qp_i),                       AV_OPT_TYPE_INT, {.i64 = -1  }, -1, 255, VE },
+    { "min_qp_p",               "min quantization parameter for P-frame",   OFFSET(min_qp_p),                       AV_OPT_TYPE_INT, {.i64 = -1  }, -1, 255, VE },
+    { "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 },
+
+    { "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, "align" },
+    { "64x16",                  "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_64X16_ONLY               }, 0, 0, VE, "align" },
+    { "1080p",                  "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_64X16_1080P_CODED_1082   }, 0, 0, VE, "align" },
+    { "none",                   "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_NO_RESTRICTIONS          }, 0, 0, VE, "align" },
+
+    { NULL }
+
+};
+
+static av_cold int amf_encode_init_av1(AVCodecContext* avctx)
+{
+    int                 ret = 0;
+    AMF_RESULT          res = AMF_OK;
+    AmfContext* ctx = avctx->priv_data;
+    AMFVariantStruct    var = { 0 };
+    amf_int64           profile = 0;
+    amf_int64           profile_level = 0;
+    AMFBuffer* buffer;
+    AMFGuid             guid;
+    AMFRate             framerate;
+    AMFSize             framesize = AMFConstructSize(avctx->width, avctx->height);
+
+
+
+    if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
+        framerate = AMFConstructRate(avctx->framerate.num, avctx->framerate.den);
+    }
+    else {
+        framerate = AMFConstructRate(avctx->time_base.den, avctx->time_base.num * avctx->ticks_per_frame);
+    }
+
+    if ((ret = ff_amf_encode_init(avctx)) < 0)
+        return ret;
+
+    // init static parameters
+    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);
+
+    AMF_ASSIGN_PROPERTY_RATE(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_FRAMERATE, framerate);
+
+    switch (avctx->profile) {
+    case FF_PROFILE_AV1_MAIN:
+        profile = AMF_VIDEO_ENCODER_AV1_PROFILE_MAIN;
+        break;
+    default:
+        break;
+    }
+    if (profile == 0) {
+        profile = ctx->profile;
+    }
+    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_PROFILE, profile);
+
+    profile_level = avctx->level;
+    if (profile_level == FF_LEVEL_UNKNOWN) {
+        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);
+
+    // Maximum Reference Frames
+    if (avctx->refs != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_MAX_NUM_REFRAMES, avctx->refs);
+    }
+
+    // Picture control properties
+    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_GOP_SIZE, avctx->gop_size);
+
+    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");
+        }
+    }
+
+    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);
+
+        if (avctx->rc_initial_buffer_occupancy != 0) {
+            int amf_buffer_fullness = avctx->rc_initial_buffer_occupancy * 64 / avctx->rc_buffer_size;
+            if (amf_buffer_fullness > 64)
+                amf_buffer_fullness = 64;
+            AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_INITIAL_VBV_BUFFER_FULLNESS, amf_buffer_fullness);
+        }
+    }
+
+    // Pre-Pass, Pre-Analysis, Two-Pass
+    AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_PRE_ANALYSIS_ENABLE, ctx->preanalysis);
+
+    // 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);
+
+    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)
+    {
+    case AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_64X16_ONLY:
+        if (avctx->width / 64 * 64 != avctx->width || avctx->height / 16 * 16 != avctx->height)
+        {
+            res = AMF_NOT_SUPPORTED;
+            av_log(ctx, AV_LOG_ERROR, "Resolution incorrect for alignment mode\n");
+            return AVERROR_EXIT;
+        }
+        break;
+    case AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_64X16_1080P_CODED_1082:
+        if ((avctx->width / 64 * 64 == avctx->width && avctx->height / 16 * 16 == avctx->height) || (avctx->width == 1920 && avctx->height == 1080))
+        {
+            res = AMF_OK;
+        }
+        else
+        {
+            res = AMF_NOT_SUPPORTED;
+            av_log(ctx, AV_LOG_ERROR, "Resolution incorrect for alignment mode\n");
+            return AVERROR_EXIT;
+        }
+        break;
+    case AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_NO_RESTRICTIONS:
+        res = AMF_OK;
+        break;
+    default:
+        res = AMF_NOT_SUPPORTED;
+        av_log(ctx, AV_LOG_ERROR, "Invalid alignment mode\n");
+        return AVERROR_EXIT;
+    }
+    AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE, ctx->align);
+
+
+    // init 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);
+
+    // init dynamic picture control params
+    if (ctx->min_qp_i != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_MIN_Q_INDEX_INTRA, ctx->min_qp_i);
+    }
+    else if (avctx->qmin != -1) {
+        int qval = avctx->qmin > 255 ? 255 : avctx->qmin;
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_MIN_Q_INDEX_INTRA, qval);
+    }
+    if (ctx->max_qp_i != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_MAX_Q_INDEX_INTRA, ctx->max_qp_i);
+    }
+    else if (avctx->qmax != -1) {
+        int qval = avctx->qmax > 255 ? 255 : avctx->qmax;
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_MAX_Q_INDEX_INTRA, qval);
+    }
+    if (ctx->min_qp_p != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_MIN_Q_INDEX_INTER, ctx->min_qp_p);
+    }
+    else if (avctx->qmin != -1) {
+        int qval = avctx->qmin > 255 ? 255 : avctx->qmin;
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_MIN_Q_INDEX_INTER, qval);
+    }
+    if (ctx->max_qp_p != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_MAX_Q_INDEX_INTER, ctx->max_qp_p);
+    }
+    else if (avctx->qmax != -1) {
+        int qval = avctx->qmax > 255 ? 255 : avctx->qmax;
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_MAX_Q_INDEX_INTER, qval);
+    }
+
+    if (ctx->qp_p != -1) {
+        AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_Q_INDEX_INTER, ctx->qp_p);
+    }
+    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);
+
+
+    // fill extradata
+    res = AMFVariantInit(&var);
+    AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_BUG, "AMFVariantInit() failed with error %d\n", res);
+
+    res = ctx->encoder->pVtbl->GetProperty(ctx->encoder, AMF_VIDEO_ENCODER_AV1_EXTRA_DATA, &var);
+    AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_BUG, "GetProperty(AMF_VIDEO_ENCODER_EXTRADATA) failed with error %d\n", res);
+    AMF_RETURN_IF_FALSE(ctx, var.pInterface != NULL, AVERROR_BUG, "GetProperty(AMF_VIDEO_ENCODER_EXTRADATA) returned NULL\n");
+
+    guid = IID_AMFBuffer();
+
+    res = var.pInterface->pVtbl->QueryInterface(var.pInterface, &guid, (void**)&buffer); // query for buffer interface
+    if (res != AMF_OK) {
+        var.pInterface->pVtbl->Release(var.pInterface);
+    }
+    AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_BUG, "QueryInterface(IID_AMFBuffer) failed with error %d\n", res);
+
+    avctx->extradata_size = (int)buffer->pVtbl->GetSize(buffer);
+    avctx->extradata = av_mallocz(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
+    if (!avctx->extradata) {
+        buffer->pVtbl->Release(buffer);
+        var.pInterface->pVtbl->Release(var.pInterface);
+        return AVERROR(ENOMEM);
+    }
+    memcpy(avctx->extradata, buffer->pVtbl->GetNative(buffer), avctx->extradata_size);
+
+    buffer->pVtbl->Release(buffer);
+    var.pInterface->pVtbl->Release(var.pInterface);
+
+    return 0;
+}
+
+static const FFCodecDefault defaults[] = {
+    { "refs",       "-1"  },
+    { "aspect",     "0"   },
+    { "b",          "2M"  },
+    { "g",          "250" },
+    { "qmin",       "-1"  },
+    { "qmax",       "-1"  },
+    { NULL                },
+};
+
+static const AVClass av1_amf_class = {
+    .class_name = "av1_amf",
+    .item_name = av_default_item_name,
+    .option = options,
+    .version = LIBAVUTIL_VERSION_INT,
+};
+
+const FFCodec ff_av1_amf_encoder = {
+    .p.name           = "av1_amf",
+    CODEC_LONG_NAME("AMD AMF AV1 encoder"),
+    .p.type           = AVMEDIA_TYPE_VIDEO,
+    .p.id             = AV_CODEC_ID_AV1,
+    .init           = amf_encode_init_av1,
+    FF_CODEC_RECEIVE_PACKET_CB(ff_amf_receive_packet),
+    .close          = ff_amf_encode_close,
+    .priv_data_size = sizeof(AmfContext),
+    .p.priv_class     = &av1_amf_class,
+    .defaults       = defaults,
+    .p.capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE |
+                      AV_CODEC_CAP_DR1,
+    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
+    .p.pix_fmts       = ff_amf_pix_fmts,
+    .p.wrapper_name   = "amf",
+    .hw_configs     = ff_amfenc_hw_configs,
+};