/*
  * JPEG 2000 encoding support via OpenJPEG

  * Copyright (c) 2011 Michael Bradshaw <mjbshaw gmail com>

  *
  * 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
  */
 
 /**

  * @file
  * JPEG 2000 encoder using libopenjpeg
  */

 #define  OPJ_STATIC
 

 #include "libavutil/avassert.h"

 #include "libavutil/common.h"

 #include "libavutil/imgutils.h"

 #include "libavutil/intreadwrite.h"

 #include "libavutil/opt.h"

 #include "avcodec.h"

 #include "internal.h"

 #if HAVE_OPENJPEG_1_5_OPENJPEG_H
 # include <openjpeg-1.5/openjpeg.h>
 #else
 # include <openjpeg.h>
 #endif
 

 typedef struct {

     AVClass *avclass;

     opj_image_t *image;

     opj_cio_t *stream;

     opj_cparameters_t enc_params;
     opj_cinfo_t *compress;
     opj_event_mgr_t event_mgr;

     int format;
     int profile;
     int prog_order;

     int cinema_mode;

     int numresolution;
     int numlayers;
     int disto_alloc;
     int fixed_alloc;
     int fixed_quality;

 } LibOpenJPEGContext;
 
 static void error_callback(const char *msg, void *data)
 {

     av_log(data, AV_LOG_ERROR, "%s\n", msg);

 }
 
 static void warning_callback(const char *msg, void *data)
 {

     av_log(data, AV_LOG_WARNING, "%s\n", msg);
 }
 
 static void info_callback(const char *msg, void *data)
 {
     av_log(data, AV_LOG_DEBUG, "%s\n", msg);

 }
 
 static opj_image_t *mj2_create_image(AVCodecContext *avctx, opj_cparameters_t *parameters)
 {

     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);

     opj_image_cmptparm_t cmptparm[4] = {{0}};

     opj_image_t *img;
     int i;
     int sub_dx[4];
     int sub_dy[4];

     int numcomps;

     OPJ_COLOR_SPACE color_space = CLRSPC_UNKNOWN;
 

     sub_dx[0] = sub_dx[3] = 1;
     sub_dy[0] = sub_dy[3] = 1;

     sub_dx[1] = sub_dx[2] = 1 << desc->log2_chroma_w;
     sub_dy[1] = sub_dy[2] = 1 << desc->log2_chroma_h;

     numcomps = desc->nb_components;

     switch (avctx->pix_fmt) {

     case AV_PIX_FMT_GRAY8:

     case AV_PIX_FMT_GRAY8A:

     case AV_PIX_FMT_GRAY16:

         color_space = CLRSPC_GRAY;
         break;

     case AV_PIX_FMT_RGB24:
     case AV_PIX_FMT_RGBA:
     case AV_PIX_FMT_RGB48:

     case AV_PIX_FMT_RGBA64:

     case AV_PIX_FMT_GBR24P:
     case AV_PIX_FMT_GBRP9:
     case AV_PIX_FMT_GBRP10:
     case AV_PIX_FMT_GBRP12:
     case AV_PIX_FMT_GBRP14:
     case AV_PIX_FMT_GBRP16:

     case AV_PIX_FMT_XYZ12:

         color_space = CLRSPC_SRGB;
         break;

     case AV_PIX_FMT_YUV410P:
     case AV_PIX_FMT_YUV411P:
     case AV_PIX_FMT_YUV420P:
     case AV_PIX_FMT_YUV422P:
     case AV_PIX_FMT_YUV440P:
     case AV_PIX_FMT_YUV444P:
     case AV_PIX_FMT_YUVA420P:

     case AV_PIX_FMT_YUVA422P:
     case AV_PIX_FMT_YUVA444P:

     case AV_PIX_FMT_YUV420P9:
     case AV_PIX_FMT_YUV422P9:
     case AV_PIX_FMT_YUV444P9:

     case AV_PIX_FMT_YUVA420P9:
     case AV_PIX_FMT_YUVA422P9:
     case AV_PIX_FMT_YUVA444P9:

     case AV_PIX_FMT_YUV420P10:
     case AV_PIX_FMT_YUV422P10:
     case AV_PIX_FMT_YUV444P10:

     case AV_PIX_FMT_YUVA420P10:
     case AV_PIX_FMT_YUVA422P10:
     case AV_PIX_FMT_YUVA444P10:

     case AV_PIX_FMT_YUV420P12:
     case AV_PIX_FMT_YUV422P12:
     case AV_PIX_FMT_YUV444P12:
     case AV_PIX_FMT_YUV420P14:
     case AV_PIX_FMT_YUV422P14:
     case AV_PIX_FMT_YUV444P14:

     case AV_PIX_FMT_YUV420P16:
     case AV_PIX_FMT_YUV422P16:
     case AV_PIX_FMT_YUV444P16:

     case AV_PIX_FMT_YUVA420P16:
     case AV_PIX_FMT_YUVA422P16:
     case AV_PIX_FMT_YUVA444P16:

         color_space = CLRSPC_SYCC;

         break;
     default:

         av_log(avctx, AV_LOG_ERROR,
                "The requested pixel format '%s' is not supported\n",
                av_get_pix_fmt_name(avctx->pix_fmt));

         return NULL;
     }
 
     for (i = 0; i < numcomps; i++) {

         cmptparm[i].prec = desc->comp[i].depth_minus1 + 1;
         cmptparm[i].bpp  = desc->comp[i].depth_minus1 + 1;

         cmptparm[i].sgnd = 0;
         cmptparm[i].dx = sub_dx[i];
         cmptparm[i].dy = sub_dy[i];

         cmptparm[i].w = (avctx->width + sub_dx[i] - 1) / sub_dx[i];
         cmptparm[i].h = (avctx->height + sub_dy[i] - 1) / sub_dy[i];

     }
 
     img = opj_image_create(numcomps, cmptparm, color_space);

 
     // x0, y0 is the top left corner of the image
     // x1, y1 is the width, height of the reference grid
     img->x0 = 0;
     img->y0 = 0;
     img->x1 = (avctx->width  - 1) * parameters->subsampling_dx + 1;
     img->y1 = (avctx->height - 1) * parameters->subsampling_dy + 1;
 

     return img;
 }
 
 static av_cold int libopenjpeg_encode_init(AVCodecContext *avctx)
 {
     LibOpenJPEGContext *ctx = avctx->priv_data;

     int err = AVERROR(ENOMEM);

 
     opj_set_default_encoder_parameters(&ctx->enc_params);

     ctx->enc_params.cp_rsiz = ctx->profile;
     ctx->enc_params.mode = !!avctx->global_quality;
     ctx->enc_params.cp_cinema = ctx->cinema_mode;
     ctx->enc_params.prog_order = ctx->prog_order;
     ctx->enc_params.numresolution = ctx->numresolution;
     ctx->enc_params.cp_disto_alloc = ctx->disto_alloc;
     ctx->enc_params.cp_fixed_alloc = ctx->fixed_alloc;
     ctx->enc_params.cp_fixed_quality = ctx->fixed_quality;
     ctx->enc_params.tcp_numlayers = ctx->numlayers;

     ctx->enc_params.tcp_rates[0] = FFMAX(avctx->compression_level, 0) * 2;

     if (ctx->cinema_mode > 0) {
         ctx->enc_params.irreversible = 1;
         ctx->enc_params.tcp_mct = 1;
         ctx->enc_params.tile_size_on = 0;
         /* no subsampling */
         ctx->enc_params.cp_tdx=1;
         ctx->enc_params.cp_tdy=1;
         ctx->enc_params.subsampling_dx = 1;
         ctx->enc_params.subsampling_dy = 1;
         /* Tile and Image shall be at (0,0) */
         ctx->enc_params.cp_tx0 = 0;
         ctx->enc_params.cp_ty0 = 0;
         ctx->enc_params.image_offset_x0 = 0;
         ctx->enc_params.image_offset_y0 = 0;
         /* Codeblock size= 32*32 */
         ctx->enc_params.cblockw_init = 32;
         ctx->enc_params.cblockh_init = 32;
         ctx->enc_params.csty |= 0x01;
         /* No ROI */
         ctx->enc_params.roi_compno = -1;
 
         if (ctx->enc_params.prog_order != CPRL) {
             av_log(avctx, AV_LOG_ERROR, "prog_order forced to CPRL\n");
             ctx->enc_params.prog_order = CPRL;
         }
         ctx->enc_params.tp_flag = 'C';
         ctx->enc_params.tp_on = 1;
     }
 

     ctx->compress = opj_create_compress(ctx->format);

     if (!ctx->compress) {
         av_log(avctx, AV_LOG_ERROR, "Error creating the compressor\n");
         return AVERROR(ENOMEM);
     }
 
     ctx->image = mj2_create_image(avctx, &ctx->enc_params);
     if (!ctx->image) {
         av_log(avctx, AV_LOG_ERROR, "Error creating the mj2 image\n");

         err = AVERROR(EINVAL);
         goto fail;

     }

     opj_setup_encoder(ctx->compress, &ctx->enc_params, ctx->image);
 
     ctx->stream = opj_cio_open((opj_common_ptr)ctx->compress, NULL, 0);
     if (!ctx->stream) {
         av_log(avctx, AV_LOG_ERROR, "Error creating the cio stream\n");
         err = AVERROR(ENOMEM);
         goto fail;
     }
 

     avctx->coded_frame = av_frame_alloc();

     if (!avctx->coded_frame) {
         av_log(avctx, AV_LOG_ERROR, "Error allocating coded frame\n");
         goto fail;
     }

 
     memset(&ctx->event_mgr, 0, sizeof(opj_event_mgr_t));

     ctx->event_mgr.info_handler    = info_callback;

     ctx->event_mgr.error_handler = error_callback;
     ctx->event_mgr.warning_handler = warning_callback;
     opj_set_event_mgr((opj_common_ptr)ctx->compress, &ctx->event_mgr, avctx);
 
     return 0;

 
 fail:

     opj_cio_close(ctx->stream);
     ctx->stream = NULL;
     opj_destroy_compress(ctx->compress);
     ctx->compress = NULL;
     opj_image_destroy(ctx->image);
     ctx->image = NULL;

     av_freep(&avctx->coded_frame);
     return err;

 }
 

 static int libopenjpeg_copy_packed8(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image)

 {
     int compno;
     int x;
     int y;

     int *image_line;

     int frame_index;

     const int numcomps = image->numcomps;

 
     for (compno = 0; compno < numcomps; ++compno) {
         if (image->comps[compno].w > frame->linesize[0] / numcomps) {

             av_log(avctx, AV_LOG_ERROR, "Error: frame's linesize is too small for the image\n");

             return 0;
         }
     }
 
     for (compno = 0; compno < numcomps; ++compno) {
         for (y = 0; y < avctx->height; ++y) {

             image_line = image->comps[compno].data + y * image->comps[compno].w;

             frame_index = y * frame->linesize[0] + compno;

             for (x = 0; x < avctx->width; ++x) {

                 image_line[x] = frame->data[0][frame_index];

                 frame_index += numcomps;

             }

             for (; x < image->comps[compno].w; ++x) {
                 image_line[x] = image_line[x - 1];
             }
         }
         for (; y < image->comps[compno].h; ++y) {
             image_line = image->comps[compno].data + y * image->comps[compno].w;
             for (x = 0; x < image->comps[compno].w; ++x) {
                 image_line[x] = image_line[x - image->comps[compno].w];
             }

         }
     }
 
     return 1;
 }
 

 // for XYZ 12 bit
 static int libopenjpeg_copy_packed12(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image)
 {
     int compno;
     int x;
     int y;

     int *image_line;

     int frame_index;
     const int numcomps = image->numcomps;
     uint16_t *frame_ptr = (uint16_t*)frame->data[0];
 
     for (compno = 0; compno < numcomps; ++compno) {
         if (image->comps[compno].w > frame->linesize[0] / numcomps) {
             av_log(avctx, AV_LOG_ERROR, "Error: frame's linesize is too small for the image\n");
             return 0;
         }
     }
 
     for (compno = 0; compno < numcomps; ++compno) {
         for (y = 0; y < avctx->height; ++y) {

             image_line = image->comps[compno].data + y * image->comps[compno].w;

             frame_index = y * (frame->linesize[0] / 2) + compno;
             for (x = 0; x < avctx->width; ++x) {

                 image_line[x] = frame_ptr[frame_index] >> 4;

                 frame_index += numcomps;
             }

             for (; x < image->comps[compno].w; ++x) {
                 image_line[x] = image_line[x - 1];
             }
         }
         for (; y < image->comps[compno].h; ++y) {
             image_line = image->comps[compno].data + y * image->comps[compno].w;
             for (x = 0; x < image->comps[compno].w; ++x) {
                 image_line[x] = image_line[x - image->comps[compno].w];
             }

         }
     }
 
     return 1;
 }
 

 static int libopenjpeg_copy_packed16(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image)

 {
     int compno;
     int x;
     int y;

     int *image_line;

     int frame_index;

     const int numcomps = image->numcomps;

     uint16_t *frame_ptr = (uint16_t*)frame->data[0];
 
     for (compno = 0; compno < numcomps; ++compno) {
         if (image->comps[compno].w > frame->linesize[0] / numcomps) {

             av_log(avctx, AV_LOG_ERROR, "Error: frame's linesize is too small for the image\n");

             return 0;
         }
     }
 
     for (compno = 0; compno < numcomps; ++compno) {
         for (y = 0; y < avctx->height; ++y) {

             image_line = image->comps[compno].data + y * image->comps[compno].w;

             frame_index = y * (frame->linesize[0] / 2) + compno;

             for (x = 0; x < avctx->width; ++x) {

                 image_line[x] = frame_ptr[frame_index];

                 frame_index += numcomps;

             }

             for (; x < image->comps[compno].w; ++x) {
                 image_line[x] = image_line[x - 1];
             }
         }
         for (; y < image->comps[compno].h; ++y) {
             image_line = image->comps[compno].data + y * image->comps[compno].w;
             for (x = 0; x < image->comps[compno].w; ++x) {
                 image_line[x] = image_line[x - image->comps[compno].w];
             }

         }
     }
 
     return 1;
 }
 

 static int libopenjpeg_copy_unpacked8(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image)

 {
     int compno;
     int x;
     int y;
     int width;
     int height;

     int *image_line;

     int frame_index;

     const int numcomps = image->numcomps;

 
     for (compno = 0; compno < numcomps; ++compno) {
         if (image->comps[compno].w > frame->linesize[compno]) {

             av_log(avctx, AV_LOG_ERROR, "Error: frame's linesize is too small for the image\n");

             return 0;
         }
     }
 
     for (compno = 0; compno < numcomps; ++compno) {
         width = avctx->width / image->comps[compno].dx;
         height = avctx->height / image->comps[compno].dy;
         for (y = 0; y < height; ++y) {

             image_line = image->comps[compno].data + y * image->comps[compno].w;

             frame_index = y * frame->linesize[compno];

             for (x = 0; x < width; ++x)

                 image_line[x] = frame->data[compno][frame_index++];
             for (; x < image->comps[compno].w; ++x) {
                 image_line[x] = image_line[x - 1];
             }
         }
         for (; y < image->comps[compno].h; ++y) {
             image_line = image->comps[compno].data + y * image->comps[compno].w;
             for (x = 0; x < image->comps[compno].w; ++x) {
                 image_line[x] = image_line[x - image->comps[compno].w];
             }

         }
     }
 
     return 1;
 }
 

 static int libopenjpeg_copy_unpacked16(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image)

 {
     int compno;
     int x;
     int y;
     int width;
     int height;

     int *image_line;

     int frame_index;

     const int numcomps = image->numcomps;

     uint16_t *frame_ptr;
 
     for (compno = 0; compno < numcomps; ++compno) {
         if (image->comps[compno].w > frame->linesize[compno]) {

             av_log(avctx, AV_LOG_ERROR, "Error: frame's linesize is too small for the image\n");

             return 0;
         }
     }
 
     for (compno = 0; compno < numcomps; ++compno) {
         width = avctx->width / image->comps[compno].dx;
         height = avctx->height / image->comps[compno].dy;
         frame_ptr = (uint16_t*)frame->data[compno];
         for (y = 0; y < height; ++y) {

             image_line = image->comps[compno].data + y * image->comps[compno].w;

             frame_index = y * (frame->linesize[compno] / 2);

             for (x = 0; x < width; ++x)

                 image_line[x] = frame_ptr[frame_index++];
             for (; x < image->comps[compno].w; ++x) {
                 image_line[x] = image_line[x - 1];
             }
         }
         for (; y < image->comps[compno].h; ++y) {
             image_line = image->comps[compno].data + y * image->comps[compno].w;
             for (x = 0; x < image->comps[compno].w; ++x) {
                 image_line[x] = image_line[x - image->comps[compno].w];
             }

         }
     }
 
     return 1;
 }
 

 static int libopenjpeg_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
                                     const AVFrame *frame, int *got_packet)

 {
     LibOpenJPEGContext *ctx = avctx->priv_data;
     opj_cinfo_t *compress = ctx->compress;

     opj_image_t *image    = ctx->image;

     opj_cio_t *stream     = ctx->stream;

     int cpyresult = 0;

     int ret, len;

     AVFrame *gbrframe;

 
     switch (avctx->pix_fmt) {

     case AV_PIX_FMT_RGB24:
     case AV_PIX_FMT_RGBA:

     case AV_PIX_FMT_GRAY8A:

         cpyresult = libopenjpeg_copy_packed8(avctx, frame, image);

         break;

     case AV_PIX_FMT_XYZ12:
         cpyresult = libopenjpeg_copy_packed12(avctx, frame, image);
         break;

     case AV_PIX_FMT_RGB48:

     case AV_PIX_FMT_RGBA64:

         cpyresult = libopenjpeg_copy_packed16(avctx, frame, image);

         break;

     case AV_PIX_FMT_GBR24P:
     case AV_PIX_FMT_GBRP9:
     case AV_PIX_FMT_GBRP10:
     case AV_PIX_FMT_GBRP12:
     case AV_PIX_FMT_GBRP14:
     case AV_PIX_FMT_GBRP16:

         gbrframe = av_frame_clone(frame);

         if (!gbrframe)
             return AVERROR(ENOMEM);

         gbrframe->data[0] = frame->data[2]; // swap to be rgb
         gbrframe->data[1] = frame->data[0];
         gbrframe->data[2] = frame->data[1];
         gbrframe->linesize[0] = frame->linesize[2];
         gbrframe->linesize[1] = frame->linesize[0];
         gbrframe->linesize[2] = frame->linesize[1];

         if (avctx->pix_fmt == AV_PIX_FMT_GBR24P) {

             cpyresult = libopenjpeg_copy_unpacked8(avctx, gbrframe, image);

         } else {

             cpyresult = libopenjpeg_copy_unpacked16(avctx, gbrframe, image);

         }

         av_frame_free(&gbrframe);

         break;

     case AV_PIX_FMT_GRAY8:
     case AV_PIX_FMT_YUV410P:
     case AV_PIX_FMT_YUV411P:
     case AV_PIX_FMT_YUV420P:
     case AV_PIX_FMT_YUV422P:
     case AV_PIX_FMT_YUV440P:
     case AV_PIX_FMT_YUV444P:
     case AV_PIX_FMT_YUVA420P:

     case AV_PIX_FMT_YUVA422P:
     case AV_PIX_FMT_YUVA444P:

         cpyresult = libopenjpeg_copy_unpacked8(avctx, frame, image);

         break;

     case AV_PIX_FMT_GRAY16:
     case AV_PIX_FMT_YUV420P9:
     case AV_PIX_FMT_YUV422P9:
     case AV_PIX_FMT_YUV444P9:

     case AV_PIX_FMT_YUVA420P9:
     case AV_PIX_FMT_YUVA422P9:
     case AV_PIX_FMT_YUVA444P9:

     case AV_PIX_FMT_YUV444P10:
     case AV_PIX_FMT_YUV422P10:
     case AV_PIX_FMT_YUV420P10:

     case AV_PIX_FMT_YUVA444P10:
     case AV_PIX_FMT_YUVA422P10:
     case AV_PIX_FMT_YUVA420P10:

     case AV_PIX_FMT_YUV420P12:
     case AV_PIX_FMT_YUV422P12:
     case AV_PIX_FMT_YUV444P12:
     case AV_PIX_FMT_YUV420P14:
     case AV_PIX_FMT_YUV422P14:
     case AV_PIX_FMT_YUV444P14:

     case AV_PIX_FMT_YUV444P16:
     case AV_PIX_FMT_YUV422P16:
     case AV_PIX_FMT_YUV420P16:

     case AV_PIX_FMT_YUVA444P16:
     case AV_PIX_FMT_YUVA422P16:
     case AV_PIX_FMT_YUVA420P16:

         cpyresult = libopenjpeg_copy_unpacked16(avctx, frame, image);

         break;
     default:

         av_log(avctx, AV_LOG_ERROR,
                "The frame's pixel format '%s' is not supported\n",
                av_get_pix_fmt_name(avctx->pix_fmt));

         return AVERROR(EINVAL);
         break;
     }
 
     if (!cpyresult) {

         av_log(avctx, AV_LOG_ERROR,
                "Could not copy the frame data to the internal image buffer\n");

         return -1;
     }
 

     cio_seek(stream, 0);

     if (!opj_encode(compress, stream, image, NULL)) {
         av_log(avctx, AV_LOG_ERROR, "Error during the opj encode\n");
         return -1;
     }
 
     len = cio_tell(stream);

     if ((ret = ff_alloc_packet2(avctx, pkt, len)) < 0) {
         return ret;

     }
 

     memcpy(pkt->data, stream->buffer, len);
     pkt->flags |= AV_PKT_FLAG_KEY;
     *got_packet = 1;
     return 0;

 }
 
 static av_cold int libopenjpeg_encode_close(AVCodecContext *avctx)
 {
     LibOpenJPEGContext *ctx = avctx->priv_data;
 

     opj_cio_close(ctx->stream);
     ctx->stream = NULL;

     opj_destroy_compress(ctx->compress);

     ctx->compress = NULL;

     opj_image_destroy(ctx->image);

     ctx->image = NULL;

     av_freep(&avctx->coded_frame);

     return 0;

 }
 

 #define OFFSET(x) offsetof(LibOpenJPEGContext, x)
 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
 static const AVOption options[] = {

     { "format",        "Codec Format",      OFFSET(format),        AV_OPT_TYPE_INT,   { .i64 = CODEC_JP2   }, CODEC_J2K, CODEC_JP2,   VE, "format"      },

     { "j2k",           NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CODEC_J2K   }, 0,         0,           VE, "format"      },
     { "jp2",           NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CODEC_JP2   }, 0,         0,           VE, "format"      },

     { "profile",       NULL,                OFFSET(profile),       AV_OPT_TYPE_INT,   { .i64 = STD_RSIZ    }, STD_RSIZ,  CINEMA4K,    VE, "profile"     },

     { "jpeg2000",      NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = STD_RSIZ    }, 0,         0,           VE, "profile"     },
     { "cinema2k",      NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CINEMA2K    }, 0,         0,           VE, "profile"     },
     { "cinema4k",      NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CINEMA4K    }, 0,         0,           VE, "profile"     },

     { "cinema_mode",   "Digital Cinema",    OFFSET(cinema_mode),   AV_OPT_TYPE_INT,   { .i64 = OFF         }, OFF,       CINEMA4K_24, VE, "cinema_mode" },

     { "off",           NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = OFF         }, 0,         0,           VE, "cinema_mode" },
     { "2k_24",         NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CINEMA2K_24 }, 0,         0,           VE, "cinema_mode" },
     { "2k_48",         NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CINEMA2K_48 }, 0,         0,           VE, "cinema_mode" },
     { "4k_24",         NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CINEMA4K_24 }, 0,         0,           VE, "cinema_mode" },

     { "prog_order",    "Progression Order", OFFSET(prog_order),    AV_OPT_TYPE_INT,   { .i64 = LRCP        }, LRCP,      CPRL,        VE, "prog_order"  },

     { "lrcp",          NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = LRCP        }, 0,         0,           VE, "prog_order"  },
     { "rlcp",          NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = RLCP        }, 0,         0,           VE, "prog_order"  },
     { "rpcl",          NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = RPCL        }, 0,         0,           VE, "prog_order"  },
     { "pcrl",          NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = PCRL        }, 0,         0,           VE, "prog_order"  },
     { "cprl",          NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CPRL        }, 0,         0,           VE, "prog_order"  },

     { "numresolution", NULL,                OFFSET(numresolution), AV_OPT_TYPE_INT,   { .i64 = 6           }, 1,         INT_MAX,     VE                },
     { "numlayers",     NULL,                OFFSET(numlayers),     AV_OPT_TYPE_INT,   { .i64 = 1           }, 1,         10,          VE                },
     { "disto_alloc",   NULL,                OFFSET(disto_alloc),   AV_OPT_TYPE_INT,   { .i64 = 1           }, 0,         1,           VE                },
     { "fixed_alloc",   NULL,                OFFSET(fixed_alloc),   AV_OPT_TYPE_INT,   { .i64 = 0           }, 0,         1,           VE                },
     { "fixed_quality", NULL,                OFFSET(fixed_quality), AV_OPT_TYPE_INT,   { .i64 = 0           }, 0,         1,           VE                },

     { NULL },
 };
 

 static const AVClass openjpeg_class = {

     .class_name = "libopenjpeg",
     .item_name  = av_default_item_name,
     .option     = options,
     .version    = LIBAVUTIL_VERSION_INT,
 };

 
 AVCodec ff_libopenjpeg_encoder = {

     .name           = "libopenjpeg",

     .long_name      = NULL_IF_CONFIG_SMALL("OpenJPEG JPEG 2000"),

     .type           = AVMEDIA_TYPE_VIDEO,

     .id             = AV_CODEC_ID_JPEG2000,

     .priv_data_size = sizeof(LibOpenJPEGContext),

     .init           = libopenjpeg_encode_init,

     .encode2        = libopenjpeg_encode_frame,

     .close          = libopenjpeg_encode_close,
     .capabilities   = 0,

     .pix_fmts       = (const enum AVPixelFormat[]) {

         AV_PIX_FMT_RGB24, AV_PIX_FMT_RGBA, AV_PIX_FMT_RGB48, AV_PIX_FMT_RGBA64,

         AV_PIX_FMT_GBR24P,
         AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,

         AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY8A, AV_PIX_FMT_GRAY16,

         AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA420P,

         AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVA422P,
         AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUVA444P,

         AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,

         AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,

         AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,

         AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,

         AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12,
         AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,

         AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,

         AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16,

         AV_PIX_FMT_XYZ12,

         AV_PIX_FMT_NONE

     },

     .priv_class     = &openjpeg_class,

 };