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in repository ffmpeg.

commit 08db85015977af1dbcf3feb9597f36b377bfcfe5
Author:     Tomasz Szumski <[email protected]>
AuthorDate: Tue Oct 24 12:42:00 2023 +0200
Commit:     James Almer <[email protected]>
CommitDate: Sat Dec 13 19:00:35 2025 -0300

    avcodec: add JPEG-XS decoder and encoder using libsvtjpegxs
    
    Co-Authored-by: James Almer <[email protected]>
    Signed-off-by: James Almer <[email protected]>
---
 Changelog                    |   1 +
 configure                    |   5 +
 libavcodec/Makefile          |   2 +
 libavcodec/allcodecs.c       |   2 +
 libavcodec/libsvtjpegxsdec.c | 292 ++++++++++++++++++++++++++++++++++++++++++
 libavcodec/libsvtjpegxsenc.c | 298 +++++++++++++++++++++++++++++++++++++++++++
 libavcodec/version.h         |   4 +-
 7 files changed, 602 insertions(+), 2 deletions(-)

diff --git a/Changelog b/Changelog
index aa0aaaed72..af5fbf6599 100644
--- a/Changelog
+++ b/Changelog
@@ -16,6 +16,7 @@ version <next>:
 - Rockchip H.264/HEVC hardware encoder
 - Add vf_scale_d3d12 filter
 - JPEG-XS parser
+- JPEG-XS decoder and encoder through libsvtjpegxs
 
 
 version 8.0:
diff --git a/configure b/configure
index 4c6a888223..083a30972a 100755
--- a/configure
+++ b/configure
@@ -281,6 +281,7 @@ External library support:
   --enable-libsrt          enable Haivision SRT protocol via libsrt [no]
   --enable-libssh          enable SFTP protocol via libssh [no]
   --enable-libsvtav1       enable AV1 encoding via SVT [no]
+  --enable-libsvtjpegxs    enable JPEGXS encoding/decoding via SVT [no]
   --enable-libtensorflow   enable TensorFlow as a DNN module backend
                            for DNN based filters like sr [no]
   --enable-libtesseract    enable Tesseract, needed for ocr filter [no]
@@ -2013,6 +2014,7 @@ EXTERNAL_LIBRARY_LIST="
     libsrt
     libssh
     libsvtav1
+    libsvtjpegxs
     libtensorflow
     libtesseract
     libtheora
@@ -3710,6 +3712,8 @@ libspeex_decoder_deps="libspeex"
 libspeex_encoder_deps="libspeex"
 libspeex_encoder_select="audio_frame_queue"
 libsvtav1_encoder_deps="libsvtav1"
+libsvtjpegxs_encoder_deps="libsvtjpegxs"
+libsvtjpegxs_decoder_deps="libsvtjpegxs"
 libsvtav1_encoder_select="dovi_rpuenc"
 libtheora_encoder_deps="libtheora"
 libtwolame_encoder_deps="libtwolame"
@@ -7256,6 +7260,7 @@ enabled libssh            && require_pkg_config libssh 
"libssh >= 0.6.0" libssh/
 enabled libspeex          && require_pkg_config libspeex speex speex/speex.h 
speex_decoder_init
 enabled libsrt            && require_pkg_config libsrt "srt >= 1.3.0" 
srt/srt.h srt_socket
 enabled libsvtav1         && require_pkg_config libsvtav1 "SvtAv1Enc >= 0.9.0" 
EbSvtAv1Enc.h svt_av1_enc_init_handle
+enabled libsvtjpegxs      && require_pkg_config libsvtjpegxs "SvtJpegxs >= 
0.10.0" SvtJpegxsEnc.h svt_jpeg_xs_encoder_init
 enabled libtensorflow     && require libtensorflow tensorflow/c/c_api.h 
TF_Version -ltensorflow
 enabled libtesseract      && require_pkg_config libtesseract tesseract 
tesseract/capi.h TessBaseAPICreate
 enabled libtheora         && require libtheora theora/theoraenc.h th_info_init 
-ltheoraenc -ltheoradec -logg
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 5ed8a27b76..28ad85afb4 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -1206,6 +1206,8 @@ OBJS-$(CONFIG_LIBSHINE_ENCODER)           += libshine.o
 OBJS-$(CONFIG_LIBSPEEX_DECODER)           += libspeexdec.o
 OBJS-$(CONFIG_LIBSPEEX_ENCODER)           += libspeexenc.o
 OBJS-$(CONFIG_LIBSVTAV1_ENCODER)          += libsvtav1.o
+OBJS-$(CONFIG_LIBSVTJPEGXS_DECODER)       += libsvtjpegxsdec.o
+OBJS-$(CONFIG_LIBSVTJPEGXS_ENCODER)       += libsvtjpegxsenc.o
 OBJS-$(CONFIG_LIBTHEORA_ENCODER)          += libtheoraenc.o
 OBJS-$(CONFIG_LIBTWOLAME_ENCODER)         += libtwolame.o
 OBJS-$(CONFIG_LIBUAVS3D_DECODER)          += libuavs3d.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index a335e2bb82..042b07c895 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -815,6 +815,8 @@ extern const FFCodec ff_libshine_encoder;
 extern const FFCodec ff_libspeex_encoder;
 extern const FFCodec ff_libspeex_decoder;
 extern const FFCodec ff_libsvtav1_encoder;
+extern const FFCodec ff_libsvtjpegxs_encoder;
+extern const FFCodec ff_libsvtjpegxs_decoder;
 extern const FFCodec ff_libtheora_encoder;
 extern const FFCodec ff_libtwolame_encoder;
 extern const FFCodec ff_libuavs3d_decoder;
diff --git a/libavcodec/libsvtjpegxsdec.c b/libavcodec/libsvtjpegxsdec.c
new file mode 100644
index 0000000000..45d9134cd4
--- /dev/null
+++ b/libavcodec/libsvtjpegxsdec.c
@@ -0,0 +1,292 @@
+/*
+ * Copyright(c) 2024 Intel Corporation
+ *
+ * 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
+ */
+
+/*
+* Copyright(c) 2024 Intel Corporation
+* SPDX - License - Identifier: BSD - 2 - Clause - Patent
+*/
+
+#include <SvtJpegxsDec.h>
+
+#include "libavutil/mem.h"
+#include "libavutil/common.h"
+#include "libavutil/cpu.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/avassert.h"
+
+#include "avcodec.h"
+#include "codec_internal.h"
+#include "decode.h"
+#include "profiles.h"
+
+typedef struct SvtJpegXsDecodeContext {
+    AVClass* class;
+    svt_jpeg_xs_image_config_t config;
+    svt_jpeg_xs_decoder_api_t decoder;
+    uint32_t decoder_initialized;
+
+    /*0- AVPacket* avpkt have full frame*/
+    /*1- AVPacket* avpkt have chunk of frame, need another buffer to merge 
packets*/
+    uint32_t chunk_decoding;
+    uint32_t frame_size;
+    uint32_t buffer_filled_len;
+    uint8_t* bitstream_buffer;
+    int proxy_mode;
+} SvtJpegXsDecodeContext;
+
+static int set_pix_fmt(AVCodecContext* avctx, const svt_jpeg_xs_image_config_t 
*config)
+{
+    int ret = 0;
+
+    switch (config->format) {
+    case COLOUR_FORMAT_PLANAR_YUV420:
+        if (config->bit_depth == 8)
+            avctx->pix_fmt = AV_PIX_FMT_YUV420P;
+        else if (config->bit_depth == 10)
+            avctx->pix_fmt = AV_PIX_FMT_YUV420P10LE;
+        else if (config->bit_depth == 12)
+            avctx->pix_fmt = AV_PIX_FMT_YUV420P12LE;
+        else
+            avctx->pix_fmt = AV_PIX_FMT_YUV420P14LE;
+        break;
+    case COLOUR_FORMAT_PLANAR_YUV422:
+        if (config->bit_depth == 8)
+            avctx->pix_fmt = AV_PIX_FMT_YUV422P;
+        else if (config->bit_depth == 10)
+            avctx->pix_fmt = AV_PIX_FMT_YUV422P10LE;
+        else if (config->bit_depth == 12)
+            avctx->pix_fmt = AV_PIX_FMT_YUV422P12LE;
+        else
+            avctx->pix_fmt = AV_PIX_FMT_YUV422P14LE;
+        break;
+    case COLOUR_FORMAT_PLANAR_YUV444_OR_RGB:
+        if (config->bit_depth == 8)
+            avctx->pix_fmt = AV_PIX_FMT_YUV444P;
+        else if (config->bit_depth == 10)
+            avctx->pix_fmt = AV_PIX_FMT_YUV444P10LE;
+        else if (config->bit_depth == 12)
+            avctx->pix_fmt = AV_PIX_FMT_YUV444P12LE;
+        else
+            avctx->pix_fmt = AV_PIX_FMT_YUV444P14LE;
+        break;
+    default:
+        av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n");
+        ret = AVERROR_INVALIDDATA;
+        break;
+    }
+
+    return ret;
+}
+
+static int svt_jpegxs_dec_decode(AVCodecContext* avctx, AVFrame* picture, int* 
got_frame, AVPacket* avpkt)
+{
+    SvtJpegXsDecodeContext* svt_dec = avctx->priv_data;
+    SvtJxsErrorType_t err = SvtJxsErrorNone;
+    int ret;
+    svt_jpeg_xs_frame_t dec_input;
+    svt_jpeg_xs_frame_t dec_output;
+    uint32_t pixel_size;
+
+    if (!svt_dec->decoder_initialized) {
+        err = svt_jpeg_xs_decoder_get_single_frame_size_with_proxy(
+            avpkt->data, avpkt->size, NULL, &svt_dec->frame_size, 1 /*quick 
search*/, svt_dec->decoder.proxy_mode);
+        if (err) {
+            av_log(avctx, AV_LOG_ERROR, 
"svt_jpeg_xs_decoder_get_single_frame_size_with_proxy failed, err=%d\n", err);
+            return err;
+        }
+        if (avpkt->size < svt_dec->frame_size) {
+            svt_dec->chunk_decoding = 1;
+            svt_dec->bitstream_buffer = av_malloc(svt_dec->frame_size);
+            if (!svt_dec->bitstream_buffer) {
+                av_log(avctx, AV_LOG_ERROR, "Failed to allocate 
svt_dec->bitstream_buffer.\n");
+                return AVERROR(ENOMEM);
+            }
+            av_log(avctx, AV_LOG_DEBUG, "svt_jpegxs_dec_decode, 
bitstream_size=%d, chunk = %d\n", svt_dec->frame_size, avpkt->size);
+        }
+        if (avpkt->size > svt_dec->frame_size) {
+            av_log(avctx, AV_LOG_ERROR, "Single packet have data for more than 
one frame.\n");
+            return AVERROR_EXTERNAL;
+        }
+
+        err = svt_jpeg_xs_decoder_init(SVT_JPEGXS_API_VER_MAJOR, 
SVT_JPEGXS_API_VER_MINOR,
+                                       &svt_dec->decoder, avpkt->data, 
avpkt->size, &svt_dec->config);
+        if (err) {
+            av_log(avctx, AV_LOG_ERROR, "svt_jpeg_xs_decoder_init failed, 
err=%d\n", err);
+            return err;
+        }
+
+        ret = set_pix_fmt(avctx, &svt_dec->config);
+        if (ret < 0) {
+            av_log(avctx, AV_LOG_ERROR, "set_pix_fmt failed, err=%d\n", ret);
+            return ret;
+        }
+
+        ret = ff_set_dimensions(avctx, svt_dec->config.width, 
svt_dec->config.height);
+        if (ret < 0) {
+            av_log(avctx, AV_LOG_ERROR, "ff_set_dimensions failed, err=%d\n", 
ret);
+            return ret;
+        }
+
+        svt_dec->decoder_initialized = 1;
+    }
+
+    if (avctx->skip_frame == AVDISCARD_ALL)
+        return 0;
+
+    if (svt_dec->chunk_decoding) {
+        uint8_t* bitstrream_addr = svt_dec->bitstream_buffer + 
svt_dec->buffer_filled_len;
+        int bytes_to_copy = avpkt->size;
+        //Do not copy more data than allocation
+        if ((bytes_to_copy + svt_dec->buffer_filled_len) > 
svt_dec->frame_size) {
+            bytes_to_copy = svt_dec->frame_size - svt_dec->buffer_filled_len;
+        }
+
+        memcpy(bitstrream_addr, avpkt->data, bytes_to_copy);
+        svt_dec->buffer_filled_len += avpkt->size;
+        if (svt_dec->buffer_filled_len >= svt_dec->frame_size) {
+            dec_input.bitstream.buffer = svt_dec->bitstream_buffer;
+            dec_input.bitstream.allocation_size = svt_dec->frame_size;
+            dec_input.bitstream.used_size = svt_dec->frame_size;
+        } else {
+            *got_frame = 0;
+            return avpkt->size;
+        }
+    } else {
+        dec_input.bitstream.buffer = avpkt->data;
+        dec_input.bitstream.allocation_size = avpkt->size;
+        dec_input.bitstream.used_size = avpkt->size;
+    }
+    dec_input.user_prv_ctx_ptr = avpkt;
+
+    ret = ff_get_buffer(avctx, picture, 0);
+    if (ret < 0)
+        return ret;
+
+    pixel_size = svt_dec->config.bit_depth <= 8 ? 1 : 2;
+
+    for (int comp = 0; comp < svt_dec->config.components_num; comp++) {
+        dec_input.image.data_yuv[comp] = picture->data[comp];
+        dec_input.image.stride[comp] = picture->linesize[comp]/pixel_size;
+        dec_input.image.alloc_size[comp] = picture->linesize[comp] * 
svt_dec->config.components[comp].height;
+    }
+
+    err = svt_jpeg_xs_decoder_send_frame(&svt_dec->decoder, &dec_input, 1 
/*blocking*/);
+    if (err) {
+        av_log(avctx, AV_LOG_ERROR, "svt_jpeg_xs_decoder_send_frame failed, 
err=%d\n", err);
+        return err;
+    }
+
+    err = svt_jpeg_xs_decoder_get_frame(&svt_dec->decoder, &dec_output, 1 
/*blocking*/);
+    if (err == SvtJxsErrorDecoderConfigChange) {
+        av_log(avctx, AV_LOG_ERROR, "svt_jpeg_xs_decoder_get_frame return 
SvtJxsErrorDecoderConfigChange\n");
+        return AVERROR_INPUT_CHANGED;
+    }
+    if (err) {
+        av_log(avctx, AV_LOG_ERROR, "svt_jpeg_xs_decoder_get_frame failed, 
err=%d\n", err);
+        return err;
+    }
+
+    if (dec_output.user_prv_ctx_ptr != avpkt) {
+        av_log(avctx, AV_LOG_ERROR, "Returned different user_prv_ctx_ptr than 
expected\n");
+        return AVERROR_EXTERNAL;
+    }
+
+    //Copy leftover from AVPacket if it contain data from two frames
+    if (svt_dec->chunk_decoding) {
+        int bytes_to_copy = svt_dec->buffer_filled_len % svt_dec->frame_size;
+        int packet_offset = avpkt->size - bytes_to_copy;
+        uint8_t* packet_addr = avpkt->data + packet_offset;
+
+        memcpy(svt_dec->bitstream_buffer, packet_addr, bytes_to_copy);
+        svt_dec->buffer_filled_len = bytes_to_copy;
+    }
+
+    *got_frame = 1;
+
+    return avpkt->size;
+}
+
+static av_cold int svt_jpegxs_dec_free(AVCodecContext* avctx)
+{
+    SvtJpegXsDecodeContext* svt_dec = avctx->priv_data;
+
+    svt_jpeg_xs_decoder_close(&svt_dec->decoder);
+    av_freep(&svt_dec->bitstream_buffer);
+
+    return 0;
+}
+
+static av_cold int svt_jpegxs_dec_init(AVCodecContext* avctx)
+{
+    SvtJpegXsDecodeContext* svt_dec = avctx->priv_data;
+
+    if (av_log_get_level() < AV_LOG_DEBUG)
+        svt_dec->decoder.verbose = VERBOSE_ERRORS;
+    else if (av_log_get_level() == AV_LOG_DEBUG)
+        svt_dec->decoder.verbose = VERBOSE_SYSTEM_INFO;
+    else
+        svt_dec->decoder.verbose = VERBOSE_WARNINGS;
+
+    if (svt_dec->proxy_mode == 1)
+        svt_dec->decoder.proxy_mode = proxy_mode_half;
+    else if (svt_dec->proxy_mode == 2)
+        svt_dec->decoder.proxy_mode = proxy_mode_quarter;
+    else
+        svt_dec->decoder.proxy_mode = proxy_mode_full;
+
+    svt_dec->decoder.threads_num = FFMIN(avctx->thread_count ? 
avctx->thread_count : av_cpu_count(), 64);
+    svt_dec->decoder.use_cpu_flags = CPU_FLAGS_ALL;
+
+    return 0;
+}
+
+#define OFFSET(x) offsetof(SvtJpegXsDecodeContext, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
+static const AVOption svtjpegxs_dec_options[] = {
+    { "proxy_mode", "Resolution scaling mode", OFFSET(proxy_mode), 
AV_OPT_TYPE_INT, {.i64 = 0}, 0, 2, VE, .unit = "proxy_mode" },
+      { "full",     NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 0}, INT_MIN, INT_MAX, 
VE, .unit = "proxy_mode" },
+      { "half",     NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1}, INT_MIN, INT_MAX, 
VE, .unit = "proxy_mode" },
+      { "quarter",  NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2}, INT_MIN, INT_MAX, 
VE, .unit = "proxy_mode" },
+    {NULL},
+};
+
+static const AVClass svtjpegxs_dec_class = {
+    .class_name = "libsvtjpegxsdec",
+    .item_name = av_default_item_name,
+    .option = svtjpegxs_dec_options,
+    .version = LIBAVUTIL_VERSION_INT,
+};
+
+const FFCodec ff_libsvtjpegxs_decoder = {
+    .p.name         = "libsvtjpegxs",
+    CODEC_LONG_NAME("SVT JPEG XS(Scalable Video Technology for JPEG XS) 
decoder"),
+    .p.type         = AVMEDIA_TYPE_VIDEO,
+    .p.id           = AV_CODEC_ID_JPEGXS,
+    .priv_data_size = sizeof(SvtJpegXsDecodeContext),
+    .init           = svt_jpegxs_dec_init,
+    .close          = svt_jpegxs_dec_free,
+    FF_CODEC_DECODE_CB(svt_jpegxs_dec_decode),
+    .p.capabilities = AV_CODEC_CAP_OTHER_THREADS | AV_CODEC_CAP_DR1,
+    .caps_internal  = FF_CODEC_CAP_NOT_INIT_THREADSAFE |
+                      FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM |
+                      FF_CODEC_CAP_AUTO_THREADS,
+    .p.wrapper_name = "libsvtjpegxs",
+    .p.priv_class = &svtjpegxs_dec_class,
+};
diff --git a/libavcodec/libsvtjpegxsenc.c b/libavcodec/libsvtjpegxsenc.c
new file mode 100644
index 0000000000..2f7ec095df
--- /dev/null
+++ b/libavcodec/libsvtjpegxsenc.c
@@ -0,0 +1,298 @@
+/*
+ * Copyright(c) 2024 Intel Corporation
+ *
+ * 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
+ */
+
+/*
+* Copyright(c) 2024 Intel Corporation
+* SPDX - License - Identifier: BSD - 2 - Clause - Patent
+*/
+
+#include <SvtJpegxsEnc.h>
+
+#include "libavutil/common.h"
+#include "libavutil/cpu.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/rational.h"
+
+#include "avcodec.h"
+#include "codec_internal.h"
+#include "encode.h"
+#include "profiles.h"
+
+typedef struct SvtJpegXsEncodeContext {
+    AVClass* class;
+
+    int decomp_v;
+    int decomp_h;
+    int quant;
+    int coding_signs_handling;
+    int coding_significance;
+    int coding_vpred;
+
+    svt_jpeg_xs_encoder_api_t encoder;
+    int bitstream_frame_size;
+} SvtJpegXsEncodeContext;
+
+static int svt_jpegxs_enc_encode(AVCodecContext* avctx, AVPacket* pkt,
+                                 const AVFrame* frame, int* got_packet)
+{
+    SvtJpegXsEncodeContext* svt_enc = avctx->priv_data;
+
+    svt_jpeg_xs_bitstream_buffer_t out_buf;
+    svt_jpeg_xs_image_buffer_t in_buf;
+    svt_jpeg_xs_frame_t enc_input;
+    svt_jpeg_xs_frame_t enc_output;
+
+    SvtJxsErrorType_t err = SvtJxsErrorNone;
+    uint32_t pixel_size = svt_enc->encoder.input_bit_depth <= 8 ? 1 : 2;
+
+    int ret = ff_get_encode_buffer(avctx, pkt, svt_enc->bitstream_frame_size, 
0);
+    if (ret < 0)
+        return ret;
+
+    out_buf.buffer = pkt->data;// output bitstream ptr
+    out_buf.allocation_size = pkt->size;// output bitstream size
+    out_buf.used_size = 0;
+
+    for (int comp = 0; comp < 3; comp++) {
+        // svt-jpegxs require stride in pixel's not in bytes, this means that 
for 10 bit-depth, stride is half the linesize
+        in_buf.stride[comp] = frame->linesize[comp] / pixel_size;
+        in_buf.data_yuv[comp] = frame->data[comp];
+        in_buf.alloc_size[comp] = in_buf.stride[comp] * 
svt_enc->encoder.source_height * pixel_size;
+    }
+
+    enc_input.bitstream = out_buf;
+    enc_input.image = in_buf;
+    enc_input.user_prv_ctx_ptr = pkt;
+
+    err = svt_jpeg_xs_encoder_send_picture(&svt_enc->encoder, &enc_input, 1 
/*blocking*/);
+    if (err != SvtJxsErrorNone) {
+        av_log(avctx, AV_LOG_ERROR, "svt_jpeg_xs_encoder_send_picture 
failed\n");
+        return AVERROR_EXTERNAL;
+    }
+
+    err = svt_jpeg_xs_encoder_get_packet(&svt_enc->encoder, &enc_output, 1 
/*blocking*/);
+    if (err != SvtJxsErrorNone) {
+        av_log(avctx, AV_LOG_ERROR, "svt_jpeg_xs_encoder_get_packet failed\n");
+        return AVERROR_EXTERNAL;
+    }
+
+    if (enc_output.user_prv_ctx_ptr != pkt) {
+        av_log(avctx, AV_LOG_ERROR, "Returned different user_prv_ctx_ptr than 
expected\n");
+        return AVERROR_EXTERNAL;
+    }
+
+    pkt->size = enc_output.bitstream.used_size;
+
+    *got_packet = 1;
+
+    return 0;
+}
+
+static av_cold int svt_jpegxs_enc_free(AVCodecContext* avctx) {
+    SvtJpegXsEncodeContext* svt_enc = avctx->priv_data;
+
+    svt_jpeg_xs_encoder_close(&svt_enc->encoder);
+
+    return 0;
+}
+
+static int set_pix_fmt(AVCodecContext* avctx, svt_jpeg_xs_encoder_api_t 
*encoder)
+{
+    switch (avctx->pix_fmt) {
+    case AV_PIX_FMT_YUV420P:
+        encoder->input_bit_depth = 8;
+        encoder->colour_format = COLOUR_FORMAT_PLANAR_YUV420;
+        return 0;
+    case AV_PIX_FMT_YUV422P:
+        encoder->input_bit_depth = 8;
+        encoder->colour_format = COLOUR_FORMAT_PLANAR_YUV422;
+        return 0;
+    case AV_PIX_FMT_YUV444P:
+        encoder->input_bit_depth = 8;
+        encoder->colour_format = COLOUR_FORMAT_PLANAR_YUV444_OR_RGB;
+        return 0;
+    case AV_PIX_FMT_YUV420P10LE:
+        encoder->input_bit_depth = 10;
+        encoder->colour_format = COLOUR_FORMAT_PLANAR_YUV420;
+        return 0;
+    case AV_PIX_FMT_YUV422P10LE:
+        encoder->input_bit_depth = 10;
+        encoder->colour_format = COLOUR_FORMAT_PLANAR_YUV422;
+        return 0;
+    case AV_PIX_FMT_YUV444P10LE:
+        encoder->input_bit_depth = 10;
+        encoder->colour_format = COLOUR_FORMAT_PLANAR_YUV444_OR_RGB;
+        return 0;
+    case AV_PIX_FMT_YUV420P12LE:
+        encoder->input_bit_depth = 12;
+        encoder->colour_format = COLOUR_FORMAT_PLANAR_YUV420;
+        return 0;
+    case AV_PIX_FMT_YUV422P12LE:
+        encoder->input_bit_depth = 12;
+        encoder->colour_format = COLOUR_FORMAT_PLANAR_YUV422;
+        return 0;
+    case AV_PIX_FMT_YUV444P12LE:
+        encoder->input_bit_depth = 12;
+        encoder->colour_format = COLOUR_FORMAT_PLANAR_YUV444_OR_RGB;
+        return 0;
+    case AV_PIX_FMT_YUV420P14LE:
+        encoder->input_bit_depth = 14;
+        encoder->colour_format = COLOUR_FORMAT_PLANAR_YUV420;
+        return 0;
+    case AV_PIX_FMT_YUV422P14LE:
+        encoder->input_bit_depth = 14;
+        encoder->colour_format = COLOUR_FORMAT_PLANAR_YUV422;
+        return 0;
+    case AV_PIX_FMT_YUV444P14LE:
+        encoder->input_bit_depth = 14;
+        encoder->colour_format = COLOUR_FORMAT_PLANAR_YUV444_OR_RGB;
+        return 0;
+    default:
+        break;
+    }
+    av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n");
+    return AVERROR_INVALIDDATA;
+}
+
+static av_cold int svt_jpegxs_enc_init(AVCodecContext* avctx) {
+    SvtJpegXsEncodeContext* svt_enc = avctx->priv_data;
+    AVRational bpp;
+    SvtJxsErrorType_t err;
+
+    err = 
svt_jpeg_xs_encoder_load_default_parameters(SVT_JPEGXS_API_VER_MAJOR, 
SVT_JPEGXS_API_VER_MINOR, &(svt_enc->encoder));
+    if (err != SvtJxsErrorNone) {
+        av_log(avctx, AV_LOG_ERROR, 
"svt_jpeg_xs_encoder_load_default_parameters failed\n");
+        return AVERROR_EXTERNAL;
+    }
+
+    svt_enc->encoder.source_width = avctx->width;
+    svt_enc->encoder.source_height = avctx->height;
+
+    set_pix_fmt(avctx, &svt_enc->encoder);
+
+    svt_enc->encoder.threads_num = FFMIN(avctx->thread_count ? 
avctx->thread_count : av_cpu_count(), 64);
+
+    if (av_log_get_level() < AV_LOG_DEBUG)
+        svt_enc->encoder.verbose = VERBOSE_ERRORS;
+    else if (av_log_get_level() == AV_LOG_DEBUG)
+        svt_enc->encoder.verbose = VERBOSE_SYSTEM_INFO;
+    else
+        svt_enc->encoder.verbose = VERBOSE_WARNINGS;
+
+    if (avctx->bit_rate <= 0) {
+        av_log(avctx, AV_LOG_ERROR, "bitrate can't be 0\n");
+        return AVERROR(EINVAL);
+    }
+    if (avctx->framerate.num <= 0 || avctx->framerate.den <= 0) {
+        av_log(avctx, AV_LOG_ERROR, "framerate must be set\n");
+        return AVERROR(EINVAL);
+    }
+
+    av_reduce(&bpp.num, &bpp.den, avctx->bit_rate, (int64_t)avctx->width * 
avctx->height, INT_MAX);
+    bpp = av_div_q(bpp, avctx->framerate);
+    svt_enc->encoder.bpp_numerator   = bpp.num;
+    svt_enc->encoder.bpp_denominator = bpp.den;
+
+    if (svt_enc->decomp_v >= 0)
+        svt_enc->encoder.ndecomp_v = svt_enc->decomp_v;
+    if (svt_enc->decomp_h >= 0)
+        svt_enc->encoder.ndecomp_h = svt_enc->decomp_h;
+    if (svt_enc->quant >= 0)
+        svt_enc->encoder.quantization = svt_enc->quant;
+    if (svt_enc->coding_signs_handling >= 0)
+        svt_enc->encoder.coding_signs_handling = 
svt_enc->coding_signs_handling;
+    if (svt_enc->coding_significance >= 0)
+        svt_enc->encoder.coding_significance = svt_enc->coding_significance;
+    if (svt_enc->coding_vpred >= 0)
+        svt_enc->encoder.coding_vertical_prediction_mode = 
svt_enc->coding_vpred;
+    if (avctx->slices > 0)
+        svt_enc->encoder.slice_height = avctx->height / avctx->slices;
+
+    err = svt_jpeg_xs_encoder_init(SVT_JPEGXS_API_VER_MAJOR, 
SVT_JPEGXS_API_VER_MINOR, &svt_enc->encoder);
+    if (err != SvtJxsErrorNone) {
+        av_log(avctx, AV_LOG_ERROR, "svt_jpeg_xs_encoder_init failed\n");
+        return AVERROR_EXTERNAL;
+    }
+
+    svt_enc->bitstream_frame_size = (((int64_t)avctx->width * avctx->height *
+                                      svt_enc->encoder.bpp_numerator / 
svt_enc->encoder.bpp_denominator + 7) / 8);
+
+    return 0;
+}
+
+static const enum AVPixelFormat pix_fmts[] = {
+    AV_PIX_FMT_YUV420P,
+    AV_PIX_FMT_YUV422P,
+    AV_PIX_FMT_YUV444P,
+    AV_PIX_FMT_YUV420P10LE,
+    AV_PIX_FMT_YUV422P10LE,
+    AV_PIX_FMT_YUV444P10LE,
+    AV_PIX_FMT_YUV420P12LE,
+    AV_PIX_FMT_YUV422P12LE,
+    AV_PIX_FMT_YUV444P12LE,
+    AV_PIX_FMT_YUV420P14LE,
+    AV_PIX_FMT_YUV422P14LE,
+    AV_PIX_FMT_YUV444P14LE,
+    AV_PIX_FMT_NONE
+};
+
+#define OFFSET(x) offsetof(SvtJpegXsEncodeContext, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption svtjpegxs_enc_options[] = {
+    { "decomp_v",     "vertical decomposition level",                          
    OFFSET(decomp_v),              AV_OPT_TYPE_INT,  {.i64 = -1 }, -1, 2, VE },
+    { "decomp_h",     "horizontal decomposition level",                        
    OFFSET(decomp_h),              AV_OPT_TYPE_INT,  {.i64 = -1 }, -1, 5, VE },
+    { "quantization", "Quantization algorithm",                                
    OFFSET(quant),                 AV_OPT_TYPE_INT,  {.i64 = -1 }, -1, 1, VE, 
.unit = "quantization" },
+      { "deadzone",     NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 0}, INT_MIN, 
INT_MAX, VE, .unit = "quantization" },
+      { "uniform",      NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1}, INT_MIN, 
INT_MAX, VE, .unit = "quantization" },
+    { "coding-signs", "Enable Signs handling strategy",                        
    OFFSET(coding_signs_handling), AV_OPT_TYPE_INT,  {.i64 = -1 }, -1, 2, VE, 
.unit = "coding-signs" },
+      { "disable",      NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 0}, INT_MIN, 
INT_MAX, VE, .unit = "coding-signs" },
+      { "fast",         NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1}, INT_MIN, 
INT_MAX, VE, .unit = "coding-signs" },
+      { "full",         NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2}, INT_MIN, 
INT_MAX, VE, .unit = "coding-signs" },
+    { "coding-sigf",  "Enable Significance coding",                            
    OFFSET(coding_significance),   AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE },
+    { "coding-vpred", "Enable Vertical Prediction coding",                     
    OFFSET(coding_vpred),          AV_OPT_TYPE_INT,  {.i64 = -1 }, -1, 2, VE, 
.unit = "coding-vpred" },
+      { "disable",      NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 0}, INT_MIN, 
INT_MAX, VE, .unit = "coding-vpred" },
+      { "no_residuals", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1}, INT_MIN, 
INT_MAX, VE, .unit = "coding-vpred" },
+      { "no_coeffs",    NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2}, INT_MIN, 
INT_MAX, VE, .unit = "coding-vpred" },
+    { NULL },
+};
+
+static const AVClass svtjpegxs_enc_class = {
+    .class_name = "libsvtjpegxs",
+    .item_name = av_default_item_name,
+    .option = svtjpegxs_enc_options,
+    .version = LIBAVUTIL_VERSION_INT,
+};
+
+const FFCodec ff_libsvtjpegxs_encoder = {
+    .p.name         = "libsvtjpegxs",
+    CODEC_LONG_NAME("SVT JPEG XS(Scalable Video Technology for JPEG XS) 
encoder"),
+    .p.type         = AVMEDIA_TYPE_VIDEO,
+    .p.id           = AV_CODEC_ID_JPEGXS,
+    .priv_data_size = sizeof(SvtJpegXsEncodeContext),
+    .init           = svt_jpegxs_enc_init,
+    .close          = svt_jpegxs_enc_free,
+    FF_CODEC_ENCODE_CB(svt_jpegxs_enc_encode),
+    .p.capabilities = AV_CODEC_CAP_OTHER_THREADS | AV_CODEC_CAP_DR1,
+    .caps_internal  = FF_CODEC_CAP_NOT_INIT_THREADSAFE |
+                      FF_CODEC_CAP_AUTO_THREADS,
+    CODEC_PIXFMTS_ARRAY(pix_fmts),
+    .p.wrapper_name = "libsvtjpegxs",
+    .p.priv_class = &svtjpegxs_enc_class,
+};
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 9f55381cf1..728ab8839d 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -29,8 +29,8 @@
 
 #include "version_major.h"
 
-#define LIBAVCODEC_VERSION_MINOR  22
-#define LIBAVCODEC_VERSION_MICRO 101
+#define LIBAVCODEC_VERSION_MINOR  23
+#define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \

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