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FFmpeg/libavcodec/libopenjpegenc.c

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  1. /*

  2.  * JPEG 2000 encoding support via OpenJPEG

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

  4.  *

  5.  * This file is part of FFmpeg.

  6.  *

  7.  * FFmpeg is free software; you can redistribute it and/or

  8.  * modify it under the terms of the GNU Lesser General Public

  9.  * License as published by the Free Software Foundation; either

  10.  * version 2.1 of the License, or (at your option) any later version.

  11.  *

  12.  * FFmpeg is distributed in the hope that it will be useful,

  13.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  14.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  15.  * Lesser General Public License for more details.

  16.  *

  17.  * You should have received a copy of the GNU Lesser General Public

  18.  * License along with FFmpeg; if not, write to the Free Software

  19.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  20.  */

  21. 

  22. /**

  23.  * @file

  24.  * JPEG 2000 encoder using libopenjpeg

  25.  */

  26. 

  27. #define  OPJ_STATIC

  28. 

  29. #include "libavutil/avassert.h"

  30. #include "libavutil/common.h"

  31. #include "libavutil/imgutils.h"

  32. #include "libavutil/intreadwrite.h"

  33. #include "libavutil/opt.h"

  34. #include "avcodec.h"

  35. #include "internal.h"

  36. 

  37. #if HAVE_OPENJPEG_1_5_OPENJPEG_H

  38. # include <openjpeg-1.5/openjpeg.h>

  39. #else

  40. # include <openjpeg.h>

  41. #endif

  42. 

  43. typedef struct LibOpenJPEGContext {

  44.     AVClass *avclass;

  45.     opj_image_t *image;

  46.     opj_cparameters_t enc_params;

  47.     opj_event_mgr_t event_mgr;

  48.     int format;

  49.     int profile;

  50.     int prog_order;

  51.     int cinema_mode;

  52.     int numresolution;

  53.     int numlayers;

  54.     int disto_alloc;

  55.     int fixed_alloc;

  56.     int fixed_quality;

  57. } LibOpenJPEGContext;

  58. 

  59. static void error_callback(const char *msg, void *data)

  60. {

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

  62. }

  63. 

  64. static void warning_callback(const char *msg, void *data)

  65. {

  66.     av_log(data, AV_LOG_WARNING, "%s\n", msg);

  67. }

  68. 

  69. static void info_callback(const char *msg, void *data)

  70. {

  71.     av_log(data, AV_LOG_DEBUG, "%s\n", msg);

  72. }

  73. 

  74. static void cinema_parameters(opj_cparameters_t *p)

  75. {

  76.     p->tile_size_on = 0;

  77.     p->cp_tdx = 1;

  78.     p->cp_tdy = 1;

  79. 

  80.     /* Tile part */

  81.     p->tp_flag = 'C';

  82.     p->tp_on = 1;

  83. 

  84.     /* Tile and Image shall be at (0, 0) */

  85.     p->cp_tx0 = 0;

  86.     p->cp_ty0 = 0;

  87.     p->image_offset_x0 = 0;

  88.     p->image_offset_y0 = 0;

  89. 

  90.     /* Codeblock size= 32 * 32 */

  91.     p->cblockw_init = 32;

  92.     p->cblockh_init = 32;

  93.     p->csty |= 0x01;

  94. 

  95.     /* The progression order shall be CPRL */

  96.     p->prog_order = CPRL;

  97. 

  98.     /* No ROI */

  99.     p->roi_compno = -1;

  100. 

  101.     /* No subsampling */

  102.     p->subsampling_dx = 1;

  103.     p->subsampling_dy = 1;

  104. 

  105.     /* 9-7 transform */

  106.     p->irreversible = 1;

  107. 

  108.     p->tcp_mct = 1;

  109. }

  110. 

  111. static opj_image_t *mj2_create_image(AVCodecContext *avctx, opj_cparameters_t *parameters)

  112. {

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

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

  115.     opj_image_t *img;

  116.     int i;

  117.     int sub_dx[4];

  118.     int sub_dy[4];

  119.     int numcomps;

  120.     OPJ_COLOR_SPACE color_space = CLRSPC_UNKNOWN;

  121. 

  122.     sub_dx[0] = sub_dx[3] = 1;

  123.     sub_dy[0] = sub_dy[3] = 1;

  124.     sub_dx[1] = sub_dx[2] = 1 << desc->log2_chroma_w;

  125.     sub_dy[1] = sub_dy[2] = 1 << desc->log2_chroma_h;

  126. 

  127.     numcomps = desc->nb_components;

  128. 

  129.     switch (avctx->pix_fmt) {

  130.     case AV_PIX_FMT_GRAY8:

  131.     case AV_PIX_FMT_YA8:

  132.     case AV_PIX_FMT_GRAY16:

  133.     case AV_PIX_FMT_YA16:

  134.         color_space = CLRSPC_GRAY;

  135.         break;

  136.     case AV_PIX_FMT_RGB24:

  137.     case AV_PIX_FMT_RGBA:

  138.     case AV_PIX_FMT_RGB48:

  139.     case AV_PIX_FMT_RGBA64:

  140.     case AV_PIX_FMT_GBR24P:

  141.     case AV_PIX_FMT_GBRP9:

  142.     case AV_PIX_FMT_GBRP10:

  143.     case AV_PIX_FMT_GBRP12:

  144.     case AV_PIX_FMT_GBRP14:

  145.     case AV_PIX_FMT_GBRP16:

  146.     case AV_PIX_FMT_XYZ12:

  147.         color_space = CLRSPC_SRGB;

  148.         break;

  149.     case AV_PIX_FMT_YUV410P:

  150.     case AV_PIX_FMT_YUV411P:

  151.     case AV_PIX_FMT_YUV420P:

  152.     case AV_PIX_FMT_YUV422P:

  153.     case AV_PIX_FMT_YUV440P:

  154.     case AV_PIX_FMT_YUV444P:

  155.     case AV_PIX_FMT_YUVA420P:

  156.     case AV_PIX_FMT_YUVA422P:

  157.     case AV_PIX_FMT_YUVA444P:

  158.     case AV_PIX_FMT_YUV420P9:

  159.     case AV_PIX_FMT_YUV422P9:

  160.     case AV_PIX_FMT_YUV444P9:

  161.     case AV_PIX_FMT_YUVA420P9:

  162.     case AV_PIX_FMT_YUVA422P9:

  163.     case AV_PIX_FMT_YUVA444P9:

  164.     case AV_PIX_FMT_YUV420P10:

  165.     case AV_PIX_FMT_YUV422P10:

  166.     case AV_PIX_FMT_YUV444P10:

  167.     case AV_PIX_FMT_YUVA420P10:

  168.     case AV_PIX_FMT_YUVA422P10:

  169.     case AV_PIX_FMT_YUVA444P10:

  170.     case AV_PIX_FMT_YUV420P12:

  171.     case AV_PIX_FMT_YUV422P12:

  172.     case AV_PIX_FMT_YUV444P12:

  173.     case AV_PIX_FMT_YUV420P14:

  174.     case AV_PIX_FMT_YUV422P14:

  175.     case AV_PIX_FMT_YUV444P14:

  176.     case AV_PIX_FMT_YUV420P16:

  177.     case AV_PIX_FMT_YUV422P16:

  178.     case AV_PIX_FMT_YUV444P16:

  179.     case AV_PIX_FMT_YUVA420P16:

  180.     case AV_PIX_FMT_YUVA422P16:

  181.     case AV_PIX_FMT_YUVA444P16:

  182.         color_space = CLRSPC_SYCC;

  183.         break;

  184.     default:

  185.         av_log(avctx, AV_LOG_ERROR,

  186.                "The requested pixel format '%s' is not supported\n",

  187.                av_get_pix_fmt_name(avctx->pix_fmt));

  188.         return NULL;

  189.     }

  190. 

  191.     for (i = 0; i < numcomps; i++) {

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

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

  194.         cmptparm[i].sgnd = 0;

  195.         cmptparm[i].dx = sub_dx[i];

  196.         cmptparm[i].dy = sub_dy[i];

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

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

  199.     }

  200. 

  201.     img = opj_image_create(numcomps, cmptparm, color_space);

  202. 

  203.     if (!img)

  204.         return NULL;

  205. 

  206.     // x0, y0 is the top left corner of the image

  207.     // x1, y1 is the width, height of the reference grid

  208.     img->x0 = 0;

  209.     img->y0 = 0;

  210.     img->x1 = (avctx->width  - 1) * parameters->subsampling_dx + 1;

  211.     img->y1 = (avctx->height - 1) * parameters->subsampling_dy + 1;

  212. 

  213.     return img;

  214. }

  215. 

  216. static av_cold int libopenjpeg_encode_init(AVCodecContext *avctx)

  217. {

  218.     LibOpenJPEGContext *ctx = avctx->priv_data;

  219.     int err = AVERROR(ENOMEM);

  220. 

  221.     opj_set_default_encoder_parameters(&ctx->enc_params);

  222. 

  223.     ctx->enc_params.cp_rsiz = ctx->profile;

  224.     ctx->enc_params.mode = !!avctx->global_quality;

  225.     ctx->enc_params.cp_cinema = ctx->cinema_mode;

  226.     ctx->enc_params.prog_order = ctx->prog_order;

  227.     ctx->enc_params.numresolution = ctx->numresolution;

  228.     ctx->enc_params.cp_disto_alloc = ctx->disto_alloc;

  229.     ctx->enc_params.cp_fixed_alloc = ctx->fixed_alloc;

  230.     ctx->enc_params.cp_fixed_quality = ctx->fixed_quality;

  231.     ctx->enc_params.tcp_numlayers = ctx->numlayers;

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

  233. 

  234.     if (ctx->cinema_mode > 0) {

  235.         cinema_parameters(&ctx->enc_params);

  236.     }

  237. 

  238.     ctx->image = mj2_create_image(avctx, &ctx->enc_params);

  239.     if (!ctx->image) {

  240.         av_log(avctx, AV_LOG_ERROR, "Error creating the mj2 image\n");

  241.         err = AVERROR(EINVAL);

  242.         goto fail;

  243.     }

  244. 

  245.     return 0;

  246. 

  247. fail:

  248.     opj_image_destroy(ctx->image);

  249.     ctx->image = NULL;

  250.     return err;

  251. }

  252. 

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

  254. {

  255.     int compno;

  256.     int x;

  257.     int y;

  258.     int *image_line;

  259.     int frame_index;

  260.     const int numcomps = image->numcomps;

  261. 

  262.     for (compno = 0; compno < numcomps; ++compno) {

  263.         if (image->comps[compno].w > frame->linesize[0] / numcomps) {

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

  265.             return 0;

  266.         }

  267.     }

  268. 

  269.     for (compno = 0; compno < numcomps; ++compno) {

  270.         for (y = 0; y < avctx->height; ++y) {

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

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

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

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

  275.                 frame_index += numcomps;

  276.             }

  277.             for (; x < image->comps[compno].w; ++x) {

  278.                 image_line[x] = image_line[x - 1];

  279.             }

  280.         }

  281.         for (; y < image->comps[compno].h; ++y) {

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

  283.             for (x = 0; x < image->comps[compno].w; ++x) {

  284.                 image_line[x] = image_line[x - image->comps[compno].w];

  285.             }

  286.         }

  287.     }

  288. 

  289.     return 1;

  290. }

  291. 

  292. // for XYZ 12 bit

  293. static int libopenjpeg_copy_packed12(AVCodecContext *avctx, const AVFrame *frame, opj_image_t *image)

  294. {

  295.     int compno;

  296.     int x, y;

  297.     int *image_line;

  298.     int frame_index;

  299.     const int numcomps  = image->numcomps;

  300.     uint16_t *frame_ptr = (uint16_t *)frame->data[0];

  301. 

  302.     for (compno = 0; compno < numcomps; ++compno) {

  303.         if (image->comps[compno].w > frame->linesize[0] / numcomps) {

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

  305.             return 0;

  306.         }

  307.     }

  308. 

  309.     for (compno = 0; compno < numcomps; ++compno) {

  310.         for (y = 0; y < avctx->height; ++y) {

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

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

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

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

  315.                 frame_index += numcomps;

  316.             }

  317.             for (; x < image->comps[compno].w; ++x) {

  318.                 image_line[x] = image_line[x - 1];

  319.             }

  320.         }

  321.         for (; y < image->comps[compno].h; ++y) {

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

  323.             for (x = 0; x < image->comps[compno].w; ++x) {

  324.                 image_line[x] = image_line[x - image->comps[compno].w];

  325.             }

  326.         }

  327.     }

  328. 

  329.     return 1;

  330. }

  331. 

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

  333. {

  334.     int compno;

  335.     int x;

  336.     int y;

  337.     int *image_line;

  338.     int frame_index;

  339.     const int numcomps = image->numcomps;

  340.     uint16_t *frame_ptr = (uint16_t*)frame->data[0];

  341. 

  342.     for (compno = 0; compno < numcomps; ++compno) {

  343.         if (image->comps[compno].w > frame->linesize[0] / numcomps) {

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

  345.             return 0;

  346.         }

  347.     }

  348. 

  349.     for (compno = 0; compno < numcomps; ++compno) {

  350.         for (y = 0; y < avctx->height; ++y) {

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

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

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

  354.                 image_line[x] = frame_ptr[frame_index];

  355.                 frame_index += numcomps;

  356.             }

  357.             for (; x < image->comps[compno].w; ++x) {

  358.                 image_line[x] = image_line[x - 1];

  359.             }

  360.         }

  361.         for (; y < image->comps[compno].h; ++y) {

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

  363.             for (x = 0; x < image->comps[compno].w; ++x) {

  364.                 image_line[x] = image_line[x - image->comps[compno].w];

  365.             }

  366.         }

  367.     }

  368. 

  369.     return 1;

  370. }

  371. 

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

  373. {

  374.     int compno;

  375.     int x;

  376.     int y;

  377.     int width;

  378.     int height;

  379.     int *image_line;

  380.     int frame_index;

  381.     const int numcomps = image->numcomps;

  382. 

  383.     for (compno = 0; compno < numcomps; ++compno) {

  384.         if (image->comps[compno].w > frame->linesize[compno]) {

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

  386.             return 0;

  387.         }

  388.     }

  389. 

  390.     for (compno = 0; compno < numcomps; ++compno) {

  391.         width  = avctx->width / image->comps[compno].dx;

  392.         height = avctx->height / image->comps[compno].dy;

  393.         for (y = 0; y < height; ++y) {

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

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

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

  397.                 image_line[x] = frame->data[compno][frame_index++];

  398.             for (; x < image->comps[compno].w; ++x) {

  399.                 image_line[x] = image_line[x - 1];

  400.             }

  401.         }

  402.         for (; y < image->comps[compno].h; ++y) {

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

  404.             for (x = 0; x < image->comps[compno].w; ++x) {

  405.                 image_line[x] = image_line[x - image->comps[compno].w];

  406.             }

  407.         }

  408.     }

  409. 

  410.     return 1;

  411. }

  412. 

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

  414. {

  415.     int compno;

  416.     int x;

  417.     int y;

  418.     int width;

  419.     int height;

  420.     int *image_line;

  421.     int frame_index;

  422.     const int numcomps = image->numcomps;

  423.     uint16_t *frame_ptr;

  424. 

  425.     for (compno = 0; compno < numcomps; ++compno) {

  426.         if (image->comps[compno].w > frame->linesize[compno]) {

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

  428.             return 0;

  429.         }

  430.     }

  431. 

  432.     for (compno = 0; compno < numcomps; ++compno) {

  433.         width     = avctx->width / image->comps[compno].dx;

  434.         height    = avctx->height / image->comps[compno].dy;

  435.         frame_ptr = (uint16_t *)frame->data[compno];

  436.         for (y = 0; y < height; ++y) {

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

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

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

  440.                 image_line[x] = frame_ptr[frame_index++];

  441.             for (; x < image->comps[compno].w; ++x) {

  442.                 image_line[x] = image_line[x - 1];

  443.             }

  444.         }

  445.         for (; y < image->comps[compno].h; ++y) {

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

  447.             for (x = 0; x < image->comps[compno].w; ++x) {

  448.                 image_line[x] = image_line[x - image->comps[compno].w];

  449.             }

  450.         }

  451.     }

  452. 

  453.     return 1;

  454. }

  455. 

  456. static int libopenjpeg_encode_frame(AVCodecContext *avctx, AVPacket *pkt,

  457.                                     const AVFrame *frame, int *got_packet)

  458. {

  459.     LibOpenJPEGContext *ctx = avctx->priv_data;

  460.     opj_image_t *image      = ctx->image;

  461.     opj_cinfo_t *compress   = NULL;

  462.     opj_cio_t *stream       = NULL;

  463.     int cpyresult = 0;

  464.     int ret, len;

  465.     AVFrame *gbrframe;

  466. 

  467.     switch (avctx->pix_fmt) {

  468.     case AV_PIX_FMT_RGB24:

  469.     case AV_PIX_FMT_RGBA:

  470.     case AV_PIX_FMT_YA8:

  471.         cpyresult = libopenjpeg_copy_packed8(avctx, frame, image);

  472.         break;

  473.     case AV_PIX_FMT_XYZ12:

  474.         cpyresult = libopenjpeg_copy_packed12(avctx, frame, image);

  475.         break;

  476.     case AV_PIX_FMT_RGB48:

  477.     case AV_PIX_FMT_RGBA64:

  478.     case AV_PIX_FMT_YA16:

  479.         cpyresult = libopenjpeg_copy_packed16(avctx, frame, image);

  480.         break;

  481.     case AV_PIX_FMT_GBR24P:

  482.     case AV_PIX_FMT_GBRP9:

  483.     case AV_PIX_FMT_GBRP10:

  484.     case AV_PIX_FMT_GBRP12:

  485.     case AV_PIX_FMT_GBRP14:

  486.     case AV_PIX_FMT_GBRP16:

  487.         gbrframe = av_frame_clone(frame);

  488.         if (!gbrframe)

  489.             return AVERROR(ENOMEM);

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

  491.         gbrframe->data[1] = frame->data[0];

  492.         gbrframe->data[2] = frame->data[1];

  493.         gbrframe->linesize[0] = frame->linesize[2];

  494.         gbrframe->linesize[1] = frame->linesize[0];

  495.         gbrframe->linesize[2] = frame->linesize[1];

  496.         if (avctx->pix_fmt == AV_PIX_FMT_GBR24P) {

  497.             cpyresult = libopenjpeg_copy_unpacked8(avctx, gbrframe, image);

  498.         } else {

  499.             cpyresult = libopenjpeg_copy_unpacked16(avctx, gbrframe, image);

  500.         }

  501.         av_frame_free(&gbrframe);

  502.         break;

  503.     case AV_PIX_FMT_GRAY8:

  504.     case AV_PIX_FMT_YUV410P:

  505.     case AV_PIX_FMT_YUV411P:

  506.     case AV_PIX_FMT_YUV420P:

  507.     case AV_PIX_FMT_YUV422P:

  508.     case AV_PIX_FMT_YUV440P:

  509.     case AV_PIX_FMT_YUV444P:

  510.     case AV_PIX_FMT_YUVA420P:

  511.     case AV_PIX_FMT_YUVA422P:

  512.     case AV_PIX_FMT_YUVA444P:

  513.         cpyresult = libopenjpeg_copy_unpacked8(avctx, frame, image);

  514.         break;

  515.     case AV_PIX_FMT_GRAY16:

  516.     case AV_PIX_FMT_YUV420P9:

  517.     case AV_PIX_FMT_YUV422P9:

  518.     case AV_PIX_FMT_YUV444P9:

  519.     case AV_PIX_FMT_YUVA420P9:

  520.     case AV_PIX_FMT_YUVA422P9:

  521.     case AV_PIX_FMT_YUVA444P9:

  522.     case AV_PIX_FMT_YUV444P10:

  523.     case AV_PIX_FMT_YUV422P10:

  524.     case AV_PIX_FMT_YUV420P10:

  525.     case AV_PIX_FMT_YUVA444P10:

  526.     case AV_PIX_FMT_YUVA422P10:

  527.     case AV_PIX_FMT_YUVA420P10:

  528.     case AV_PIX_FMT_YUV420P12:

  529.     case AV_PIX_FMT_YUV422P12:

  530.     case AV_PIX_FMT_YUV444P12:

  531.     case AV_PIX_FMT_YUV420P14:

  532.     case AV_PIX_FMT_YUV422P14:

  533.     case AV_PIX_FMT_YUV444P14:

  534.     case AV_PIX_FMT_YUV444P16:

  535.     case AV_PIX_FMT_YUV422P16:

  536.     case AV_PIX_FMT_YUV420P16:

  537.     case AV_PIX_FMT_YUVA444P16:

  538.     case AV_PIX_FMT_YUVA422P16:

  539.     case AV_PIX_FMT_YUVA420P16:

  540.         cpyresult = libopenjpeg_copy_unpacked16(avctx, frame, image);

  541.         break;

  542.     default:

  543.         av_log(avctx, AV_LOG_ERROR,

  544.                "The frame's pixel format '%s' is not supported\n",

  545.                av_get_pix_fmt_name(avctx->pix_fmt));

  546.         return AVERROR(EINVAL);

  547.         break;

  548.     }

  549. 

  550.     if (!cpyresult) {

  551.         av_log(avctx, AV_LOG_ERROR,

  552.                "Could not copy the frame data to the internal image buffer\n");

  553.         return -1;

  554.     }

  555. 

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

  557.     if (!compress) {

  558.         av_log(avctx, AV_LOG_ERROR, "Error creating the compressor\n");

  559.         return AVERROR(ENOMEM);

  560.     }

  561. 

  562.     opj_setup_encoder(compress, &ctx->enc_params, image);

  563. 

  564.     stream = opj_cio_open((opj_common_ptr) compress, NULL, 0);

  565.     if (!stream) {

  566.         av_log(avctx, AV_LOG_ERROR, "Error creating the cio stream\n");

  567.         return AVERROR(ENOMEM);

  568.     }

  569. 

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

  571.     ctx->event_mgr.info_handler    = info_callback;

  572.     ctx->event_mgr.error_handler   = error_callback;

  573.     ctx->event_mgr.warning_handler = warning_callback;

  574.     opj_set_event_mgr((opj_common_ptr) compress, &ctx->event_mgr, avctx);

  575. 

  576.     if (!opj_encode(compress, stream, image, NULL)) {

  577.         av_log(avctx, AV_LOG_ERROR, "Error during the opj encode\n");

  578.         return -1;

  579.     }

  580. 

  581.     len = cio_tell(stream);

  582.     if ((ret = ff_alloc_packet2(avctx, pkt, len, 0)) < 0) {

  583.         return ret;

  584.     }

  585. 

  586.     memcpy(pkt->data, stream->buffer, len);

  587.     pkt->flags |= AV_PKT_FLAG_KEY;

  588.     *got_packet = 1;

  589. 

  590.     opj_cio_close(stream);

  591.     stream = NULL;

  592.     opj_destroy_compress(compress);

  593.     compress = NULL;

  594. 

  595.     return 0;

  596. }

  597. 

  598. static av_cold int libopenjpeg_encode_close(AVCodecContext *avctx)

  599. {

  600.     LibOpenJPEGContext *ctx = avctx->priv_data;

  601. 

  602.     opj_image_destroy(ctx->image);

  603.     ctx->image = NULL;

  604.     return 0;

  605. }

  606. 

  607. #define OFFSET(x) offsetof(LibOpenJPEGContext, x)

  608. #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

  609. static const AVOption options[] = {

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

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

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

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

  614.     { "jpeg2000",      NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = STD_RSIZ    }, 0,         0,           VE, "profile"     },

  615.     { "cinema2k",      NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CINEMA2K    }, 0,         0,           VE, "profile"     },

  616.     { "cinema4k",      NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CINEMA4K    }, 0,         0,           VE, "profile"     },

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

  618.     { "off",           NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = OFF         }, 0,         0,           VE, "cinema_mode" },

  619.     { "2k_24",         NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CINEMA2K_24 }, 0,         0,           VE, "cinema_mode" },

  620.     { "2k_48",         NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CINEMA2K_48 }, 0,         0,           VE, "cinema_mode" },

  621.     { "4k_24",         NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CINEMA4K_24 }, 0,         0,           VE, "cinema_mode" },

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

  623.     { "lrcp",          NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = LRCP        }, 0,         0,           VE, "prog_order"  },

  624.     { "rlcp",          NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = RLCP        }, 0,         0,           VE, "prog_order"  },

  625.     { "rpcl",          NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = RPCL        }, 0,         0,           VE, "prog_order"  },

  626.     { "pcrl",          NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = PCRL        }, 0,         0,           VE, "prog_order"  },

  627.     { "cprl",          NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CPRL        }, 0,         0,           VE, "prog_order"  },

  628.     { "numresolution", NULL,                OFFSET(numresolution), AV_OPT_TYPE_INT,   { .i64 = 6           }, 1,         INT_MAX,     VE                },

  629.     { "numlayers",     NULL,                OFFSET(numlayers),     AV_OPT_TYPE_INT,   { .i64 = 1           }, 1,         10,          VE                },

  630.     { "disto_alloc",   NULL,                OFFSET(disto_alloc),   AV_OPT_TYPE_INT,   { .i64 = 1           }, 0,         1,           VE                },

  631.     { "fixed_alloc",   NULL,                OFFSET(fixed_alloc),   AV_OPT_TYPE_INT,   { .i64 = 0           }, 0,         1,           VE                },

  632.     { "fixed_quality", NULL,                OFFSET(fixed_quality), AV_OPT_TYPE_INT,   { .i64 = 0           }, 0,         1,           VE                },

  633.     { NULL },

  634. };

  635. 

  636. static const AVClass openjpeg_class = {

  637.     .class_name = "libopenjpeg",

  638.     .item_name  = av_default_item_name,

  639.     .option     = options,

  640.     .version    = LIBAVUTIL_VERSION_INT,

  641. };

  642. 

  643. AVCodec ff_libopenjpeg_encoder = {

  644.     .name           = "libopenjpeg",

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

  646.     .type           = AVMEDIA_TYPE_VIDEO,

  647.     .id             = AV_CODEC_ID_JPEG2000,

  648.     .priv_data_size = sizeof(LibOpenJPEGContext),

  649.     .init           = libopenjpeg_encode_init,

  650.     .encode2        = libopenjpeg_encode_frame,

  651.     .close          = libopenjpeg_encode_close,

  652.     .capabilities   = CODEC_CAP_FRAME_THREADS | CODEC_CAP_INTRA_ONLY,

  653.     .pix_fmts       = (const enum AVPixelFormat[]) {

  654.         AV_PIX_FMT_RGB24, AV_PIX_FMT_RGBA, AV_PIX_FMT_RGB48,

  655.         AV_PIX_FMT_RGBA64, AV_PIX_FMT_GBR24P,

  656.         AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,

  657.         AV_PIX_FMT_GRAY8, AV_PIX_FMT_YA8, AV_PIX_FMT_GRAY16, AV_PIX_FMT_YA16,

  658.         AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA420P,

  659.         AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVA422P,

  660.         AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUVA444P,

  661.         AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,

  662.         AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,

  663.         AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,

  664.         AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,

  665.         AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12,

  666.         AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,

  667.         AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,

  668.         AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16,

  669.         AV_PIX_FMT_XYZ12,

  670.         AV_PIX_FMT_NONE

  671.     },

  672.     .priv_class     = &openjpeg_class,

  673. };