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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 <mbradshaw@sorensonmedia.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. #include "libavutil/opt.h"

  28. #include "libavutil/imgutils.h"

  29. #include "libavutil/avassert.h"

  30. #include "avcodec.h"

  31. #include "libavutil/intreadwrite.h"

  32. #include "internal.h"

  33. #define  OPJ_STATIC

  34. #include <openjpeg.h>

  35. 

  36. typedef struct {

  37.     AVClass *avclass;

  38.     opj_image_t *image;

  39.     opj_cparameters_t enc_params;

  40.     opj_cinfo_t *compress;

  41.     opj_event_mgr_t event_mgr;

  42.     int format;

  43.     int profile;

  44.     int cinema_mode;

  45.     int prog_order;

  46.     int numresolution;

  47.     int numlayers;

  48.     int disto_alloc;

  49.     int fixed_alloc;

  50.     int fixed_quality;

  51. } LibOpenJPEGContext;

  52. 

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

  54. {

  55.     av_log((AVCodecContext*)data, AV_LOG_ERROR, "libopenjpeg: %s\n", msg);

  56. }

  57. 

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

  59. {

  60.     av_log((AVCodecContext*)data, AV_LOG_WARNING, "libopenjpeg: %s\n", msg);

  61. }

  62. 

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

  64. {

  65.     opj_image_cmptparm_t *cmptparm;

  66.     opj_image_t *img;

  67.     int i;

  68.     int sub_dx[4];

  69.     int sub_dy[4];

  70.     int numcomps;

  71.     OPJ_COLOR_SPACE color_space = CLRSPC_UNKNOWN;

  72. 

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

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

  75.     sub_dx[1] = sub_dx[2] = 1<<av_pix_fmt_descriptors[avctx->pix_fmt].log2_chroma_w;

  76.     sub_dy[1] = sub_dy[2] = 1<<av_pix_fmt_descriptors[avctx->pix_fmt].log2_chroma_h;

  77. 

  78.     numcomps = av_pix_fmt_descriptors[avctx->pix_fmt].nb_components;

  79. 

  80.     switch (avctx->pix_fmt) {

  81.     case PIX_FMT_GRAY8:

  82.     case PIX_FMT_GRAY8A:

  83.     case PIX_FMT_GRAY16:

  84.         color_space = CLRSPC_GRAY;

  85.         break;

  86.     case PIX_FMT_RGB24:

  87.     case PIX_FMT_RGBA:

  88.     case PIX_FMT_RGB48:

  89.     case PIX_FMT_RGBA64:

  90.         color_space = CLRSPC_SRGB;

  91.         break;

  92.     case PIX_FMT_YUV410P:

  93.     case PIX_FMT_YUV411P:

  94.     case PIX_FMT_YUV420P:

  95.     case PIX_FMT_YUV422P:

  96.     case PIX_FMT_YUV440P:

  97.     case PIX_FMT_YUV444P:

  98.     case PIX_FMT_YUVA420P:

  99.     case PIX_FMT_YUV420P9:

  100.     case PIX_FMT_YUV422P9:

  101.     case PIX_FMT_YUV444P9:

  102.     case PIX_FMT_YUV420P10:

  103.     case PIX_FMT_YUV422P10:

  104.     case PIX_FMT_YUV444P10:

  105.     case PIX_FMT_YUV420P16:

  106.     case PIX_FMT_YUV422P16:

  107.     case PIX_FMT_YUV444P16:

  108.         color_space = CLRSPC_SYCC;

  109.         break;

  110.     default:

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

  112.         return NULL;

  113.     }

  114. 

  115.     cmptparm = av_mallocz(numcomps * sizeof(opj_image_cmptparm_t));

  116.     if (!cmptparm) {

  117.         av_log(avctx, AV_LOG_ERROR, "Not enough memory");

  118.         return NULL;

  119.     }

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

  121.         cmptparm[i].prec = av_pix_fmt_descriptors[avctx->pix_fmt].comp[i].depth_minus1 + 1;

  122.         cmptparm[i].bpp = av_pix_fmt_descriptors[avctx->pix_fmt].comp[i].depth_minus1 + 1;

  123.         cmptparm[i].sgnd = 0;

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

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

  126.         cmptparm[i].w = avctx->width / sub_dx[i];

  127.         cmptparm[i].h = avctx->height / sub_dy[i];

  128.     }

  129. 

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

  131.     av_freep(&cmptparm);

  132.     return img;

  133. }

  134. 

  135. static av_cold int libopenjpeg_encode_init(AVCodecContext *avctx)

  136. {

  137.     LibOpenJPEGContext *ctx = avctx->priv_data;

  138. 

  139.     opj_set_default_encoder_parameters(&ctx->enc_params);

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

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

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

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

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

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

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

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

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

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

  150. 

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

  152.     if (!ctx->compress) {

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

  154.         return AVERROR(ENOMEM);

  155.     }

  156. 

  157.     avctx->coded_frame = avcodec_alloc_frame();

  158.     if (!avctx->coded_frame) {

  159.         av_freep(&ctx->compress);

  160.         av_log(avctx, AV_LOG_ERROR, "Error allocating coded frame\n");

  161.         return AVERROR(ENOMEM);

  162.     }

  163. 

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

  165.     if (!ctx->image) {

  166.         av_freep(&ctx->compress);

  167.         av_freep(&avctx->coded_frame);

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

  169.         return AVERROR(EINVAL);

  170.     }

  171. 

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

  173.     ctx->event_mgr.error_handler = error_callback;

  174.     ctx->event_mgr.warning_handler = warning_callback;

  175.     ctx->event_mgr.info_handler = NULL;

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

  177. 

  178.     return 0;

  179. }

  180. 

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

  182. {

  183.     int compno;

  184.     int x;

  185.     int y;

  186.     int image_index;

  187.     int frame_index;

  188.     const int numcomps = image->numcomps;

  189. 

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

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

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

  193.             return 0;

  194.         }

  195.     }

  196. 

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

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

  199.             image_index = y * avctx->width;

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

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

  202.                 image->comps[compno].data[image_index++] = frame->data[0][frame_index];

  203.                 frame_index += numcomps;

  204.             }

  205.         }

  206.     }

  207. 

  208.     return 1;

  209. }

  210. 

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

  212. {

  213.     int compno;

  214.     int x;

  215.     int y;

  216.     int image_index;

  217.     int frame_index;

  218.     const int numcomps = image->numcomps;

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

  220. 

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

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

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

  224.             return 0;

  225.         }

  226.     }

  227. 

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

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

  230.             image_index = y * avctx->width;

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

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

  233.                 image->comps[compno].data[image_index++] = frame_ptr[frame_index];

  234.                 frame_index += numcomps;

  235.             }

  236.         }

  237.     }

  238. 

  239.     return 1;

  240. }

  241. 

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

  243. {

  244.     int compno;

  245.     int x;

  246.     int y;

  247.     int width;

  248.     int height;

  249.     int image_index;

  250.     int frame_index;

  251.     const int numcomps = image->numcomps;

  252. 

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

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

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

  256.             return 0;

  257.         }

  258.     }

  259. 

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

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

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

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

  264.             image_index = y * width;

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

  266.             for (x = 0; x < width; ++x) {

  267.                 image->comps[compno].data[image_index++] = frame->data[compno][frame_index++];

  268.             }

  269.         }

  270.     }

  271. 

  272.     return 1;

  273. }

  274. 

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

  276. {

  277.     int compno;

  278.     int x;

  279.     int y;

  280.     int width;

  281.     int height;

  282.     int image_index;

  283.     int frame_index;

  284.     const int numcomps = image->numcomps;

  285.     uint16_t *frame_ptr;

  286. 

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

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

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

  290.             return 0;

  291.         }

  292.     }

  293. 

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

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

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

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

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

  299.             image_index = y * width;

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

  301.             for (x = 0; x < width; ++x) {

  302.                 image->comps[compno].data[image_index++] = frame_ptr[frame_index++];

  303.             }

  304.         }

  305.     }

  306. 

  307.     return 1;

  308. }

  309. 

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

  311.                                     const AVFrame *frame, int *got_packet)

  312. {

  313.     LibOpenJPEGContext *ctx = avctx->priv_data;

  314.     opj_cinfo_t *compress = ctx->compress;

  315.     opj_image_t *image = ctx->image;

  316.     opj_cio_t *stream;

  317.     int cpyresult = 0;

  318.     int ret, len;

  319. 

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

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

  322.     image->x0 = 0;

  323.     image->y0 = 0;

  324.     image->x1 = (avctx->width - 1) * ctx->enc_params.subsampling_dx + 1;

  325.     image->y1 = (avctx->height - 1) * ctx->enc_params.subsampling_dy + 1;

  326. 

  327.     switch (avctx->pix_fmt) {

  328.     case PIX_FMT_RGB24:

  329.     case PIX_FMT_RGBA:

  330.     case PIX_FMT_GRAY8A:

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

  332.         break;

  333.     case PIX_FMT_RGB48:

  334.     case PIX_FMT_RGBA64:

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

  336.         break;

  337.     case PIX_FMT_GRAY8:

  338.     case PIX_FMT_YUV410P:

  339.     case PIX_FMT_YUV411P:

  340.     case PIX_FMT_YUV420P:

  341.     case PIX_FMT_YUV422P:

  342.     case PIX_FMT_YUV440P:

  343.     case PIX_FMT_YUV444P:

  344.     case PIX_FMT_YUVA420P:

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

  346.         break;

  347.     case PIX_FMT_GRAY16:

  348.     case PIX_FMT_YUV420P9:

  349.     case PIX_FMT_YUV420P10:

  350.     case PIX_FMT_YUV420P16:

  351.     case PIX_FMT_YUV422P9:

  352.     case PIX_FMT_YUV422P10:

  353.     case PIX_FMT_YUV422P16:

  354.     case PIX_FMT_YUV444P9:

  355.     case PIX_FMT_YUV444P10:

  356.     case PIX_FMT_YUV444P16:

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

  358.         break;

  359.     default:

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

  361.         return AVERROR(EINVAL);

  362.         break;

  363.     }

  364. 

  365.     if (!cpyresult) {

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

  367.         return -1;

  368.     }

  369. 

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

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

  372.     if (!stream) {

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

  374.         return AVERROR(ENOMEM);

  375.     }

  376. 

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

  378.         opj_cio_close(stream);

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

  380.         return -1;

  381.     }

  382. 

  383.     len = cio_tell(stream);

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

  385.         opj_cio_close(stream);

  386.         return ret;

  387.     }

  388. 

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

  390.     pkt->flags |= AV_PKT_FLAG_KEY;

  391.     *got_packet = 1;

  392.     opj_cio_close(stream);

  393.     return 0;

  394. }

  395. 

  396. static av_cold int libopenjpeg_encode_close(AVCodecContext *avctx)

  397. {

  398.     LibOpenJPEGContext *ctx = avctx->priv_data;

  399. 

  400.     opj_destroy_compress(ctx->compress);

  401.     opj_image_destroy(ctx->image);

  402.     av_freep(&avctx->coded_frame);

  403.     return 0 ;

  404. }

  405. 

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

  407. #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

  408. static const AVOption options[] = {

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

  410.     { "j2k",           NULL,                0,                     AV_OPT_TYPE_CONST, { CODEC_J2K   }, 0,         0,           VE, "format"      },

  411.     { "jp2",           NULL,                0,                     AV_OPT_TYPE_CONST, { CODEC_JP2   }, 0,         0,           VE, "format"      },

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

  413.     { "jpeg2000",      NULL,                0,                     AV_OPT_TYPE_CONST, { STD_RSIZ    }, 0,         0,           VE, "profile"     },

  414.     { "cinema2k",      NULL,                0,                     AV_OPT_TYPE_CONST, { CINEMA2K    }, 0,         0,           VE, "profile"     },

  415.     { "cinema4k",      NULL,                0,                     AV_OPT_TYPE_CONST, { CINEMA4K    }, 0,         0,           VE, "profile"     },

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

  417.     { "off",           NULL,                0,                     AV_OPT_TYPE_CONST, { OFF         }, 0,         0,           VE, "cinema_mode" },

  418.     { "2k_24",         NULL,                0,                     AV_OPT_TYPE_CONST, { CINEMA2K_24 }, 0,         0,           VE, "cinema_mode" },

  419.     { "2k_48",         NULL,                0,                     AV_OPT_TYPE_CONST, { CINEMA2K_48 }, 0,         0,           VE, "cinema_mode" },

  420.     { "4k_24",         NULL,                0,                     AV_OPT_TYPE_CONST, { CINEMA4K_24 }, 0,         0,           VE, "cinema_mode" },

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

  422.     { "lrcp",          NULL,                0,                     AV_OPT_TYPE_CONST, { LRCP        }, 0,         0,           VE, "prog_order"  },

  423.     { "rlcp",          NULL,                0,                     AV_OPT_TYPE_CONST, { RLCP        }, 0,         0,           VE, "prog_order"  },

  424.     { "rpcl",          NULL,                0,                     AV_OPT_TYPE_CONST, { RPCL        }, 0,         0,           VE, "prog_order"  },

  425.     { "pcrl",          NULL,                0,                     AV_OPT_TYPE_CONST, { PCRL        }, 0,         0,           VE, "prog_order"  },

  426.     { "cprl",          NULL,                0,                     AV_OPT_TYPE_CONST, { CPRL        }, 0,         0,           VE, "prog_order"  },

  427.     { "numresolution", NULL,                OFFSET(numresolution), AV_OPT_TYPE_INT,   { 6           }, 1,         10,          VE                },

  428.     { "numlayers",     NULL,                OFFSET(numlayers),     AV_OPT_TYPE_INT,   { 1           }, 1,         10,          VE                },

  429.     { "disto_alloc",   NULL,                OFFSET(disto_alloc),   AV_OPT_TYPE_INT,   { 1           }, 0,         1,           VE                },

  430.     { "fixed_alloc",   NULL,                OFFSET(fixed_alloc),   AV_OPT_TYPE_INT,   { 0           }, 0,         1,           VE                },

  431.     { "fixed_quality", NULL,                OFFSET(fixed_quality), AV_OPT_TYPE_INT,   { 0           }, 0,         1,           VE                },

  432.     { NULL },

  433. };

  434. 

  435. static const AVClass class = {

  436.     .class_name = "libopenjpeg",

  437.     .item_name  = av_default_item_name,

  438.     .option     = options,

  439.     .version    = LIBAVUTIL_VERSION_INT,

  440. };

  441. 

  442. AVCodec ff_libopenjpeg_encoder = {

  443.     .name           = "libopenjpeg",

  444.     .type           = AVMEDIA_TYPE_VIDEO,

  445.     .id             = CODEC_ID_JPEG2000,

  446.     .priv_data_size = sizeof(LibOpenJPEGContext),

  447.     .init           = libopenjpeg_encode_init,

  448.     .encode2        = libopenjpeg_encode_frame,

  449.     .close          = libopenjpeg_encode_close,

  450.     .capabilities   = 0,

  451.     .pix_fmts = (const enum PixelFormat[]){PIX_FMT_RGB24,PIX_FMT_RGBA,PIX_FMT_RGB48,PIX_FMT_RGBA64,

  452.                                            PIX_FMT_GRAY8,PIX_FMT_GRAY8A,PIX_FMT_GRAY16,

  453.                                            PIX_FMT_YUV420P,PIX_FMT_YUV422P,PIX_FMT_YUVA420P,

  454.                                            PIX_FMT_YUV440P,PIX_FMT_YUV444P,

  455.                                            PIX_FMT_YUV411P,PIX_FMT_YUV410P,

  456.                                            PIX_FMT_YUV420P9,PIX_FMT_YUV422P9,PIX_FMT_YUV444P9,

  457.                                            PIX_FMT_YUV420P10,PIX_FMT_YUV422P10,PIX_FMT_YUV444P10,

  458.                                            PIX_FMT_YUV420P16,PIX_FMT_YUV422P16,PIX_FMT_YUV444P16,

  459.                                            PIX_FMT_NONE},

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

  461.     .priv_class     = &class,

  462. };