lavc: add Intel libmfx-based HEVC encoder

13 files changed, 475 insertions, 17 deletions

diff --git a/Changelog b/Changelog
index f161cd423c..99b3d1d2a7 100644
--- a/Changelog
+++ b/Changelog
@@ -38,7 +38,7 @@ version <next>:
 - DirectDraw Surface image/texture decoder
 - rewritten ASF demuxer
 - Go2Meeting decoding support
-- Intel QSV-accelerated MPEG-2 video encoding
+- Intel QSV-accelerated MPEG-2 video and HEVC encoding
 
 
 version 11:
diff --git a/configure b/configure
index 7bb3caf714..9d66469067 100755
--- a/configure
+++ b/configure
@@ -1869,6 +1869,7 @@ hap_encoder_deps="libsnappy"
 hap_encoder_select="texturedspenc"
 hevc_decoder_select="bswapdsp cabac golomb videodsp"
 hevc_nvenc_encoder_deps="nvenc"
+hevc_qsv_encoder_select="qsvenc"
 huffyuv_decoder_select="bswapdsp huffyuvdsp"
 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
 iac_decoder_select="imc_decoder"
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 97c44acc13..1529b4b965 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -242,6 +242,7 @@ OBJS-$(CONFIG_HEVC_DECODER)            += hevc.o hevc_mvs.o hevc_ps.o hevc_sei.o
                                           hevc_cabac.o hevc_refs.o hevcpred.o    \
                                           hevcdsp.o hevc_filter.o hevc_parse.o
 OBJS-$(CONFIG_HEVC_NVENC_ENCODER)      += nvenc_hevc.o
+OBJS-$(CONFIG_HEVC_QSV_ENCODER)        += qsvenc_hevc.o hevc_ps_enc.o hevc_parse.o
 OBJS-$(CONFIG_HNM4_VIDEO_DECODER)      += hnm4video.o
 OBJS-$(CONFIG_HQ_HQA_DECODER)          += hq_hqa.o hq_hqadata.o hq_hqadsp.o \
                                           canopus.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index a719e0a6ad..a3f1550f2f 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -484,6 +484,7 @@ void avcodec_register_all(void)
     REGISTER_ENCODER(H264_NVENC,        h264_nvenc);
     REGISTER_ENCODER(H264_QSV,          h264_qsv);
     REGISTER_ENCODER(HEVC_NVENC,        hevc_nvenc);
+    REGISTER_ENCODER(HEVC_QSV,          hevc_qsv);
     REGISTER_ENCODER(MPEG2_QSV,         mpeg2_qsv);
 
     /* parsers */
diff --git a/libavcodec/hevc.h b/libavcodec/hevc.h
index 8b06e1f4cd..60377c21de 100644
--- a/libavcodec/hevc.h
+++ b/libavcodec/hevc.h
@@ -1008,6 +1008,9 @@ void ff_hevc_pred_init(HEVCPredContext *hpc, int bit_depth);
 int ff_hevc_extract_rbsp(const uint8_t *src, int length,
                          HEVCNAL *nal);
 
+int ff_hevc_encode_nal_vps(HEVCVPS *vps, unsigned int id,
+                           uint8_t *buf, int buf_size);
+
 extern const uint8_t ff_hevc_qpel_extra_before[4];
 extern const uint8_t ff_hevc_qpel_extra_after[4];
 extern const uint8_t ff_hevc_qpel_extra[4];
diff --git a/libavcodec/hevc_ps_enc.c b/libavcodec/hevc_ps_enc.c
new file mode 100644
index 0000000000..007a1321ed
--- /dev/null
+++ b/libavcodec/hevc_ps_enc.c
@@ -0,0 +1,116 @@
+/*
+ * HEVC Parameter Set encoding
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ *
+ * Libav 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 Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "golomb.h"
+#include "hevc.h"
+#include "put_bits.h"
+
+static void write_ptl_layer(PutBitContext *pb, PTLCommon *ptl)
+{
+    int i;
+
+    put_bits(pb, 2, ptl->profile_space);
+    put_bits(pb, 1, ptl->tier_flag);
+    put_bits(pb, 5, ptl->profile_idc);
+    for (i = 0; i < 32; i++)
+        put_bits(pb, 1, ptl->profile_compatibility_flag[i]);
+    put_bits(pb, 1, ptl->progressive_source_flag);
+    put_bits(pb, 1, ptl->interlaced_source_flag);
+    put_bits(pb, 1, ptl->non_packed_constraint_flag);
+    put_bits(pb, 1, ptl->frame_only_constraint_flag);
+    put_bits32(pb, 0);   // reserved
+    put_bits(pb, 12, 0); // reserved
+}
+
+static void write_ptl(PutBitContext *pb, PTL *ptl, int max_num_sub_layers)
+{
+    int i;
+
+    write_ptl_layer(pb, &ptl->general_ptl);
+    put_bits(pb, 8, ptl->general_ptl.level_idc);
+
+    for (i = 0; i < max_num_sub_layers - 1; i++) {
+        put_bits(pb, 1, ptl->sub_layer_profile_present_flag[i]);
+        put_bits(pb, 1, ptl->sub_layer_level_present_flag[i]);
+    }
+
+    if (max_num_sub_layers > 1)
+        for (i = max_num_sub_layers - 1; i < 8; i++)
+            put_bits(pb, 2, 0); // reserved
+
+    for (i = 0; i < max_num_sub_layers - 1; i++) {
+        if (ptl->sub_layer_profile_present_flag[i])
+            write_ptl_layer(pb, &ptl->sub_layer_ptl[i]);
+        if (ptl->sub_layer_level_present_flag[i])
+            put_bits(pb, 8, ptl->sub_layer_ptl[i].level_idc);
+    }
+}
+
+int ff_hevc_encode_nal_vps(HEVCVPS *vps, unsigned int id,
+                           uint8_t *buf, int buf_size)
+{
+    PutBitContext pb;
+    int i;
+
+    init_put_bits(&pb, buf, buf_size);
+    put_bits(&pb,  4, id);
+    put_bits(&pb,  2, 3);                               // reserved
+    put_bits(&pb,  6, vps->vps_max_layers - 1);
+    put_bits(&pb,  3, vps->vps_max_sub_layers - 1);
+    put_bits(&pb,  1, vps->vps_temporal_id_nesting_flag);
+    put_bits(&pb, 16, 0xffff);                          // reserved
+
+    write_ptl(&pb, &vps->ptl, vps->vps_max_sub_layers);
+
+    put_bits(&pb, 1, vps->vps_sub_layer_ordering_info_present_flag);
+    for (i = vps->vps_sub_layer_ordering_info_present_flag ? 0 : vps->vps_max_layers - 1;
+         i < vps->vps_max_sub_layers; i++) {
+        set_ue_golomb(&pb, vps->vps_max_dec_pic_buffering[i] - 1);
+        set_ue_golomb(&pb, vps->vps_num_reorder_pics[i]);
+        set_ue_golomb(&pb, vps->vps_max_latency_increase[i] + 1);
+    }
+
+    put_bits(&pb, 6, vps->vps_max_layer_id);
+    set_ue_golomb(&pb, vps->vps_num_layer_sets - 1);
+
+    // writing layer_id_included_flag not supported
+    if (vps->vps_num_layer_sets > 1)
+        return AVERROR_PATCHWELCOME;
+
+    put_bits(&pb, 1, vps->vps_timing_info_present_flag);
+    if (vps->vps_timing_info_present_flag) {
+        put_bits32(&pb, vps->vps_num_units_in_tick);
+        put_bits32(&pb, vps->vps_time_scale);
+        put_bits(&pb, 1, vps->vps_poc_proportional_to_timing_flag);
+        if (vps->vps_poc_proportional_to_timing_flag)
+            set_ue_golomb(&pb, vps->vps_num_ticks_poc_diff_one - 1);
+
+        // writing HRD parameters not supported
+        if (vps->vps_num_hrd_parameters)
+            return AVERROR_PATCHWELCOME;
+    }
+
+    put_bits(&pb, 1, 0);    // extension flag
+
+    put_bits(&pb, 1, 1);    // stop bit
+    avpriv_align_put_bits(&pb);
+
+    return put_bits_count(&pb) / 8;
+}
diff --git a/libavcodec/qsv.c b/libavcodec/qsv.c
index bd9e18d43e..ee6b262f31 100644
--- a/libavcodec/qsv.c
+++ b/libavcodec/qsv.c
@@ -19,7 +19,12 @@
  */
 
 #include <mfx/mfxvideo.h>
+#include <mfx/mfxplugin.h>
 
+#include <stdio.h>
+#include <string.h>
+
+#include "libavutil/avstring.h"
 #include "libavutil/error.h"
 
 #include "avcodec.h"
@@ -30,6 +35,10 @@ int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id)
     switch (codec_id) {
     case AV_CODEC_ID_H264:
         return MFX_CODEC_AVC;
+#if QSV_VERSION_ATLEAST(1, 8)
+    case AV_CODEC_ID_HEVC:
+        return MFX_CODEC_HEVC;
+#endif
     case AV_CODEC_ID_MPEG1VIDEO:
     case AV_CODEC_ID_MPEG2VIDEO:
         return MFX_CODEC_MPEG2;
@@ -77,7 +86,8 @@ int ff_qsv_error(int mfx_err)
     }
 }
 
-int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session)
+int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
+                                 const char *load_plugins)
 {
     mfxIMPL impl   = MFX_IMPL_AUTO_ANY;
     mfxVersion ver = { { QSV_VERSION_MINOR, QSV_VERSION_MAJOR } };
@@ -107,6 +117,45 @@ int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session)
         desc = "unknown";
     }
 
+    if (load_plugins && *load_plugins) {
+        while (*load_plugins) {
+            mfxPluginUID uid;
+            int i, err = 0;
+
+            char *plugin = av_get_token(&load_plugins, ":");
+            if (!plugin)
+                return AVERROR(ENOMEM);
+            if (strlen(plugin) != 2 * sizeof(uid.Data)) {
+                av_log(avctx, AV_LOG_ERROR, "Invalid plugin UID length\n");
+                err = AVERROR(EINVAL);
+                goto load_plugin_fail;
+            }
+
+            for (i = 0; i < sizeof(uid.Data); i++) {
+                err = sscanf(plugin + 2 * i, "%2hhx", uid.Data + i);
+                if (err != 1) {
+                    av_log(avctx, AV_LOG_ERROR, "Invalid plugin UID\n");
+                    err = AVERROR(EINVAL);
+                    goto load_plugin_fail;
+                }
+
+            }
+
+            ret = MFXVideoUSER_Load(*session, &uid, 1);
+            if (ret < 0) {
+                av_log(avctx, AV_LOG_ERROR, "Could not load the requested plugin: %s\n",
+                       plugin);
+                err = ff_qsv_error(ret);
+                goto load_plugin_fail;
+            }
+
+load_plugin_fail:
+            av_freep(&plugin);
+            if (err < 0)
+                return err;
+        }
+    }
+
     av_log(avctx, AV_LOG_VERBOSE,
            "Initialized an internal MFX session using %s implementation\n",
            desc);
diff --git a/libavcodec/qsv_internal.h b/libavcodec/qsv_internal.h
index d13848a850..a0f4c7cef3 100644
--- a/libavcodec/qsv_internal.h
+++ b/libavcodec/qsv_internal.h
@@ -30,6 +30,10 @@
 
 #define ASYNC_DEPTH_DEFAULT 4       // internal parallelism
 
+#define QSV_VERSION_ATLEAST(MAJOR, MINOR)   \
+    (MFX_VERSION_MAJOR > (MAJOR) ||         \
+     MFX_VERSION_MAJOR == (MAJOR) && MFX_VERSION_MINOR >= (MINOR))
+
 typedef struct QSVFrame {
     AVFrame *frame;
     mfxFrameSurface1 *surface;
@@ -46,6 +50,7 @@ int ff_qsv_error(int mfx_err);
 
 int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id);
 
-int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session);
+int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
+                                 const char *load_plugins);
 
 #endif /* AVCODEC_QSV_INTERNAL_H */
diff --git a/libavcodec/qsvdec.c b/libavcodec/qsvdec.c
index c077b110db..6fd9442b7f 100644
--- a/libavcodec/qsvdec.c
+++ b/libavcodec/qsvdec.c
@@ -52,7 +52,7 @@ static int qsv_init_session(AVCodecContext *avctx, QSVContext *q, mfxSession ses
 {
     if (!session) {
         if (!q->internal_session) {
-            int ret = ff_qsv_init_internal_session(avctx, &q->internal_session);
+            int ret = ff_qsv_init_internal_session(avctx, &q->internal_session, NULL);
             if (ret < 0)
                 return ret;
         }
diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
index 690d5aa36d..a56acff2c0 100644
--- a/libavcodec/qsvenc.c
+++ b/libavcodec/qsvenc.c
@@ -49,6 +49,8 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
         return AVERROR_BUG;
     q->param.mfx.CodecId = ret;
 
+    q->width_align = avctx->codec_id == AV_CODEC_ID_HEVC ? 32 : 16;
+
     if (avctx->level > 0)
         q->param.mfx.CodecLevel = avctx->level;
 
@@ -65,7 +67,7 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
     q->param.mfx.BufferSizeInKB     = 0;
 
     q->param.mfx.FrameInfo.FourCC         = MFX_FOURCC_NV12;
-    q->param.mfx.FrameInfo.Width          = FFALIGN(avctx->width, 16);
+    q->param.mfx.FrameInfo.Width          = FFALIGN(avctx->width, q->width_align);
     q->param.mfx.FrameInfo.Height         = FFALIGN(avctx->height, 32);
     q->param.mfx.FrameInfo.CropX          = 0;
     q->param.mfx.FrameInfo.CropY          = 0;
@@ -124,15 +126,19 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
         break;
     }
 
-    q->extco.Header.BufferId      = MFX_EXTBUFF_CODING_OPTION;
-    q->extco.Header.BufferSz      = sizeof(q->extco);
-    q->extco.CAVLC                = avctx->coder_type == FF_CODER_TYPE_VLC ?
-                                    MFX_CODINGOPTION_ON : MFX_CODINGOPTION_UNKNOWN;
+    // the HEVC encoder plugin currently fails if coding options
+    // are provided
+    if (avctx->codec_id != AV_CODEC_ID_HEVC) {
+        q->extco.Header.BufferId      = MFX_EXTBUFF_CODING_OPTION;
+        q->extco.Header.BufferSz      = sizeof(q->extco);
+        q->extco.CAVLC                = avctx->coder_type == FF_CODER_TYPE_VLC ?
+                                        MFX_CODINGOPTION_ON : MFX_CODINGOPTION_UNKNOWN;
 
-    q->extparam[0] = (mfxExtBuffer *)&q->extco;
+        q->extparam[0] = (mfxExtBuffer *)&q->extco;
 
-    q->param.ExtParam    = q->extparam;
-    q->param.NumExtParam = FF_ARRAY_ELEMS(q->extparam);
+        q->param.ExtParam    = q->extparam;
+        q->param.NumExtParam = FF_ARRAY_ELEMS(q->extparam);
+    }
 
     return 0;
 }
@@ -199,7 +205,8 @@ int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
     }
 
     if (!q->session) {
-        ret = ff_qsv_init_internal_session(avctx, &q->internal_session);
+        ret = ff_qsv_init_internal_session(avctx, &q->internal_session,
+                                           q->load_plugins);
         if (ret < 0)
             return ret;
 
@@ -303,9 +310,9 @@ static int submit_frame(QSVEncContext *q, const AVFrame *frame,
     }
 
     /* make a copy if the input is not padded as libmfx requires */
-    if (frame->height & 31 || frame->linesize[0] & 15) {
+    if (frame->height & 31 || frame->linesize[0] & (q->width_align - 1)) {
         qf->frame->height = FFALIGN(frame->height, 32);
-        qf->frame->width  = FFALIGN(frame->width, 16);
+        qf->frame->width  = FFALIGN(frame->width, q->width_align);
 
         ret = ff_get_buffer(q->avctx, qf->frame, AV_GET_BUFFER_FLAG_REF);
         if (ret < 0)
diff --git a/libavcodec/qsvenc.h b/libavcodec/qsvenc.h
index 05d268a948..f3a06eb784 100644
--- a/libavcodec/qsvenc.h
+++ b/libavcodec/qsvenc.h
@@ -42,6 +42,7 @@ typedef struct QSVEncContext {
     mfxSession internal_session;
 
     int packet_size;
+    int width_align;
 
     mfxVideoParam param;
     mfxFrameAllocRequest req;
@@ -56,6 +57,8 @@ typedef struct QSVEncContext {
     int preset;
     int avbr_accuracy;
     int avbr_convergence;
+
+    char *load_plugins;
 } QSVEncContext;
 
 int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q);
diff --git a/libavcodec/qsvenc_hevc.c b/libavcodec/qsvenc_hevc.c
new file mode 100644
index 0000000000..03007f1814
--- /dev/null
+++ b/libavcodec/qsvenc_hevc.c
@@ -0,0 +1,272 @@
+/*
+ * Intel MediaSDK QSV based HEVC encoder
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ *
+ * Libav 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 Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <mfx/mfxvideo.h>
+
+#include "libavutil/common.h"
+#include "libavutil/opt.h"
+
+#include "avcodec.h"
+#include "bytestream.h"
+#include "get_bits.h"
+#include "hevc.h"
+#include "internal.h"
+#include "qsv.h"
+#include "qsv_internal.h"
+#include "qsvenc.h"
+
+enum {
+    LOAD_PLUGIN_NONE,
+    LOAD_PLUGIN_HEVC_SW,
+    LOAD_PLUGIN_HEVC_HW,
+} LoadPlugin;
+
+typedef struct QSVHEVCEncContext {
+    AVClass *class;
+    QSVEncContext qsv;
+    int load_plugin;
+} QSVHEVCEncContext;
+
+static int generate_fake_vps(QSVEncContext *q, AVCodecContext *avctx)
+{
+    GetByteContext gbc;
+    PutByteContext pbc;
+
+    GetBitContext gb;
+    HEVCNAL sps_nal = { NULL };
+    HEVCSPS sps = { 0 };
+    HEVCVPS vps = { 0 };
+    uint8_t vps_buf[128], vps_rbsp_buf[128];
+    uint8_t *new_extradata;
+    unsigned int sps_id;
+    int ret, i, type, vps_size;
+
+    if (!avctx->extradata_size) {
+        av_log(avctx, AV_LOG_ERROR, "No extradata returned from libmfx\n");
+        return AVERROR_UNKNOWN;
+    }
+
+    /* parse the SPS */
+    ret = ff_hevc_extract_rbsp(avctx->extradata + 4, avctx->extradata_size - 4, &sps_nal);
+    if (ret < 0) {
+        av_log(avctx, AV_LOG_ERROR, "Error unescaping the SPS buffer\n");
+        return ret;
+    }
+
+    ret = init_get_bits8(&gb, sps_nal.data, sps_nal.size);
+    if (ret < 0) {
+        av_freep(&sps_nal.rbsp_buffer);
+        return ret;
+    }
+
+    get_bits(&gb, 1);
+    type = get_bits(&gb, 6);
+    if (type != NAL_SPS) {
+        av_log(avctx, AV_LOG_ERROR, "Unexpected NAL type in the extradata: %d\n",
+               type);
+        av_freep(&sps_nal.rbsp_buffer);
+        return AVERROR_INVALIDDATA;
+    }
+    get_bits(&gb, 9);
+
+    ret = ff_hevc_parse_sps(&sps, &gb, &sps_id, 0, NULL, avctx);
+    av_freep(&sps_nal.rbsp_buffer);
+    if (ret < 0) {
+        av_log(avctx, AV_LOG_ERROR, "Error parsing the SPS\n");
+        return ret;
+    }
+
+    /* generate the VPS */
+    vps.vps_max_layers     = 1;
+    vps.vps_max_sub_layers = sps.max_sub_layers;
+    memcpy(&vps.ptl, &sps.ptl, sizeof(vps.ptl));
+    vps.vps_sub_layer_ordering_info_present_flag = 1;
+    for (i = 0; i < MAX_SUB_LAYERS; i++) {
+        vps.vps_max_dec_pic_buffering[i] = sps.temporal_layer[i].max_dec_pic_buffering;
+        vps.vps_num_reorder_pics[i]      = sps.temporal_layer[i].num_reorder_pics;
+        vps.vps_max_latency_increase[i]  = sps.temporal_layer[i].max_latency_increase;
+    }
+
+    vps.vps_num_layer_sets                  = 1;
+    vps.vps_timing_info_present_flag        = sps.vui.vui_timing_info_present_flag;
+    vps.vps_num_units_in_tick               = sps.vui.vui_num_units_in_tick;
+    vps.vps_time_scale                      = sps.vui.vui_time_scale;
+    vps.vps_poc_proportional_to_timing_flag = sps.vui.vui_poc_proportional_to_timing_flag;
+    vps.vps_num_ticks_poc_diff_one          = sps.vui.vui_num_ticks_poc_diff_one_minus1 + 1;
+
+    /* generate the encoded RBSP form of the VPS */
+    ret = ff_hevc_encode_nal_vps(&vps, sps.vps_id, vps_rbsp_buf, sizeof(vps_rbsp_buf));
+    if (ret < 0) {
+        av_log(avctx, AV_LOG_ERROR, "Error writing the VPS\n");
+        return ret;
+    }
+
+    /* escape and add the startcode */
+    bytestream2_init(&gbc, vps_rbsp_buf, ret);
+    bytestream2_init_writer(&pbc, vps_buf, sizeof(vps_buf));
+
+    bytestream2_put_be32(&pbc, 1);              // startcode
+    bytestream2_put_byte(&pbc, NAL_VPS << 1);   // NAL
+    bytestream2_put_byte(&pbc, 1);              // header
+
+    while (bytestream2_get_bytes_left(&gbc)) {
+        uint32_t b = bytestream2_peek_be24(&gbc);
+        if (b <= 3) {
+            bytestream2_put_be24(&pbc, 3);
+            bytestream2_skip(&gbc, 2);
+        } else
+            bytestream2_put_byte(&pbc, bytestream2_get_byte(&gbc));
+    }
+
+    vps_size = bytestream2_tell_p(&pbc);
+    new_extradata = av_mallocz(vps_size + avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+    if (!new_extradata)
+        return AVERROR(ENOMEM);
+    memcpy(new_extradata, vps_buf, vps_size);
+    memcpy(new_extradata + vps_size, avctx->extradata, avctx->extradata_size);
+
+    av_freep(&avctx->extradata);
+    avctx->extradata       = new_extradata;
+    avctx->extradata_size += vps_size;
+
+    return 0;
+}
+
+static av_cold int qsv_enc_init(AVCodecContext *avctx)
+{
+    QSVHEVCEncContext *q = avctx->priv_data;
+    int ret;
+
+    if (q->load_plugin != LOAD_PLUGIN_NONE) {
+        static const char *uid_hevcenc_sw = "2fca99749fdb49aeb121a5b63ef568f7";
+        static const char *uid_hevcenc_hw = "e5400a06c74d41f5b12d430bbaa23d0b";
+
+        if (q->qsv.load_plugins[0]) {
+            av_log(avctx, AV_LOG_WARNING,
+                   "load_plugins is not empty, but load_plugin is not set to 'none'."
+                   "The load_plugin value will be ignored.\n");
+        } else {
+            av_freep(&q->qsv.load_plugins);
+
+            if (q->load_plugin == LOAD_PLUGIN_HEVC_SW)
+                q->qsv.load_plugins = av_strdup(uid_hevcenc_sw);
+            else
+                q->qsv.load_plugins = av_strdup(uid_hevcenc_hw);
+
+            if (!q->qsv.load_plugins)
+                return AVERROR(ENOMEM);
+        }
+    }
+
+    ret = ff_qsv_enc_init(avctx, &q->qsv);
+    if (ret < 0)
+        return ret;
+
+    ret = generate_fake_vps(&q->qsv, avctx);
+    if (ret < 0) {
+        ff_qsv_enc_close(avctx, &q->qsv);
+        return ret;
+    }
+
+    return 0;
+}
+
+static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt,
+                         const AVFrame *frame, int *got_packet)
+{
+    QSVHEVCEncContext *q = avctx->priv_data;
+
+    return ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet);
+}
+
+static av_cold int qsv_enc_close(AVCodecContext *avctx)
+{
+    QSVHEVCEncContext *q = avctx->priv_data;
+
+    return ff_qsv_enc_close(avctx, &q->qsv);
+}
+
+#define OFFSET(x) offsetof(QSVHEVCEncContext, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption options[] = {
+    { "async_depth", "Maximum processing parallelism", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 0, INT_MAX, VE },
+    { "avbr_accuracy",    "Accuracy of the AVBR ratecontrol",    OFFSET(qsv.avbr_accuracy),    AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
+    { "avbr_convergence", "Convergence of the AVBR ratecontrol", OFFSET(qsv.avbr_convergence), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
+
+    { "load_plugin", "A user plugin to load in an internal session", OFFSET(load_plugin), AV_OPT_TYPE_INT, { .i64 = LOAD_PLUGIN_HEVC_SW }, LOAD_PLUGIN_NONE, LOAD_PLUGIN_HEVC_HW, VE, "load_plugin" },
+    { "none",     NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_NONE },    0, 0, VE, "load_plugin" },
+    { "hevc_sw",  NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_HEVC_SW }, 0, 0, VE, "load_plugin" },
+    { "hevc_hw",  NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_HEVC_HW }, 0, 0, VE, "load_plugin" },
+
+    { "load_plugins", "A :-separate list of hexadecimal plugin UIDs to load in an internal session",
+        OFFSET(qsv.load_plugins), AV_OPT_TYPE_STRING, { .str = "" }, 0, 0, VE },
+
+    { "profile", NULL, OFFSET(qsv.profile), AV_OPT_TYPE_INT, { .i64 = MFX_PROFILE_UNKNOWN }, 0, INT_MAX, VE, "profile" },
+    { "unknown", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_UNKNOWN      }, INT_MIN, INT_MAX,     VE, "profile" },
+    { "main",    NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_MAIN    }, INT_MIN, INT_MAX,     VE, "profile" },
+    { "main10",  NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_MAIN10  }, INT_MIN, INT_MAX,     VE, "profile" },
+    { "mainsp",  NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_MAINSP  }, INT_MIN, INT_MAX,     VE, "profile" },
+
+    { "preset", NULL, OFFSET(qsv.preset), AV_OPT_TYPE_INT, { .i64 = MFX_TARGETUSAGE_BALANCED }, 0, 7,   VE, "preset" },
+    { "fast",   NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_SPEED  },   INT_MIN, INT_MAX, VE, "preset" },
+    { "medium", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BALANCED  },     INT_MIN, INT_MAX, VE, "preset" },
+    { "slow",   NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_QUALITY  }, INT_MIN, INT_MAX, VE, "preset" },
+
+    { NULL },
+};
+
+static const AVClass class = {
+    .class_name = "hevc_qsv encoder",
+    .item_name  = av_default_item_name,
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
+static const AVCodecDefault qsv_enc_defaults[] = {
+    { "b",         "1M"    },
+    { "refs",      "0"     },
+    // same as the x264 default
+    { "g",         "250"   },
+    { "bf",        "3"     },
+
+    { "flags",     "+cgop" },
+    { NULL },
+};
+
+AVCodec ff_hevc_qsv_encoder = {
+    .name           = "hevc_qsv",
+    .long_name      = NULL_IF_CONFIG_SMALL("HEVC (Intel Quick Sync Video acceleration)"),
+    .priv_data_size = sizeof(QSVHEVCEncContext),
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = AV_CODEC_ID_HEVC,
+    .init           = qsv_enc_init,
+    .encode2        = qsv_enc_frame,
+    .close          = qsv_enc_close,
+    .capabilities   = CODEC_CAP_DELAY,
+    .pix_fmts       = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
+                                                    AV_PIX_FMT_QSV,
+                                                    AV_PIX_FMT_NONE },
+    .priv_class     = &class,
+    .defaults       = qsv_enc_defaults,
+};
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 0ea5adaf71..ca928e8385 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -29,8 +29,8 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR 56
-#define LIBAVCODEC_VERSION_MINOR 31
-#define LIBAVCODEC_VERSION_MICRO  2
+#define LIBAVCODEC_VERSION_MINOR 32
+#define LIBAVCODEC_VERSION_MICRO  0
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \