falkTX
/
FFmpeg
mirror of https://github.com/falkTX/FFmpeg.git
1
0
Fork 0
Code Issues 0 Releases 338 Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
39280 Commits
32 Branches
837MB
Tree: fe91becc2d
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'fe91becc2d'
${ noResults }
FFmpeg/libavcodec/libopenjpegenc.c

459 lines
17KB
Raw Blame History 

  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_YUV420P:

  93.     case PIX_FMT_YUV422P:

  94.     case PIX_FMT_YUV440P:

  95.     case PIX_FMT_YUV444P:

  96.     case PIX_FMT_YUVA420P:

  97.     case PIX_FMT_YUV420P9:

  98.     case PIX_FMT_YUV422P9:

  99.     case PIX_FMT_YUV444P9:

  100.     case PIX_FMT_YUV420P10:

  101.     case PIX_FMT_YUV422P10:

  102.     case PIX_FMT_YUV444P10:

  103.     case PIX_FMT_YUV420P16:

  104.     case PIX_FMT_YUV422P16:

  105.     case PIX_FMT_YUV444P16:

  106.         color_space = CLRSPC_SYCC;

  107.         break;

  108.     default:

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

  110.         return NULL;

  111.     }

  112. 

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

  114.     if (!cmptparm) {

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

  116.         return NULL;

  117.     }

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

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

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

  121.         cmptparm[i].sgnd = 0;

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

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

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

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

  126.     }

  127. 

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

  129.     av_freep(&cmptparm);

  130.     return img;

  131. }

  132. 

  133. static av_cold int libopenjpeg_encode_init(AVCodecContext *avctx)

  134. {

  135.     LibOpenJPEGContext *ctx = avctx->priv_data;

  136. 

  137.     opj_set_default_encoder_parameters(&ctx->enc_params);

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

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

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

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

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

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

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

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

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

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

  148.     ctx->enc_params.cp_disto_alloc = 1;

  149. 

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

  151.     if (!ctx->compress) {

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

  153.         return AVERROR(ENOMEM);

  154.     }

  155. 

  156.     avctx->coded_frame = avcodec_alloc_frame();

  157.     if (!avctx->coded_frame) {

  158.         av_freep(&ctx->compress);

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

  160.         return AVERROR(ENOMEM);

  161.     }

  162. 

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

  164.     if (!ctx->image) {

  165.         av_freep(&ctx->compress);

  166.         av_freep(&avctx->coded_frame);

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

  168.         return AVERROR(EINVAL);

  169.     }

  170. 

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

  172.     ctx->event_mgr.error_handler = error_callback;

  173.     ctx->event_mgr.warning_handler = warning_callback;

  174.     ctx->event_mgr.info_handler = NULL;

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

  176. 

  177.     return 0;

  178. }

  179. 

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

  181. {

  182.     int compno;

  183.     int x;

  184.     int y;

  185.     int image_index;

  186.     int frame_index;

  187.     const int numcomps = image->numcomps;

  188. 

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

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

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

  192.             return 0;

  193.         }

  194.     }

  195. 

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

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

  198.             image_index = y * avctx->width;

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

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

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

  202.                 frame_index += numcomps;

  203.             }

  204.         }

  205.     }

  206. 

  207.     return 1;

  208. }

  209. 

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

  211. {

  212.     int compno;

  213.     int x;

  214.     int y;

  215.     int image_index;

  216.     int frame_index;

  217.     const int numcomps = image->numcomps;

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

  219. 

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

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

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

  223.             return 0;

  224.         }

  225.     }

  226. 

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

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

  229.             image_index = y * avctx->width;

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

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

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

  233.                 frame_index += numcomps;

  234.             }

  235.         }

  236.     }

  237. 

  238.     return 1;

  239. }

  240. 

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

  242. {

  243.     int compno;

  244.     int x;

  245.     int y;

  246.     int width;

  247.     int height;

  248.     int image_index;

  249.     int frame_index;

  250.     const int numcomps = image->numcomps;

  251. 

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

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

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

  255.             return 0;

  256.         }

  257.     }

  258. 

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

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

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

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

  263.             image_index = y * width;

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

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

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

  267.             }

  268.         }

  269.     }

  270. 

  271.     return 1;

  272. }

  273. 

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

  275. {

  276.     int compno;

  277.     int x;

  278.     int y;

  279.     int width;

  280.     int height;

  281.     int image_index;

  282.     int frame_index;

  283.     const int numcomps = image->numcomps;

  284.     uint16_t *frame_ptr;

  285. 

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

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

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

  289.             return 0;

  290.         }

  291.     }

  292. 

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

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

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

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

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

  298.             image_index = y * width;

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

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

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

  302.             }

  303.         }

  304.     }

  305. 

  306.     return 1;

  307. }

  308. 

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

  310.                                     const AVFrame *frame, int *got_packet)

  311. {

  312.     LibOpenJPEGContext *ctx = avctx->priv_data;

  313.     opj_cinfo_t *compress = ctx->compress;

  314.     opj_image_t *image = ctx->image;

  315.     opj_cio_t *stream;

  316.     int cpyresult = 0;

  317.     int ret, len;

  318. 

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

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

  321.     image->x0 = 0;

  322.     image->y0 = 0;

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

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

  325. 

  326.     switch (avctx->pix_fmt) {

  327.     case PIX_FMT_RGB24:

  328.     case PIX_FMT_RGBA:

  329.     case PIX_FMT_GRAY8A:

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

  331.         break;

  332.     case PIX_FMT_RGB48:

  333.     case PIX_FMT_RGBA64:

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

  335.         break;

  336.     case PIX_FMT_GRAY8:

  337.     case PIX_FMT_YUV420P:

  338.     case PIX_FMT_YUV422P:

  339.     case PIX_FMT_YUV440P:

  340.     case PIX_FMT_YUV444P:

  341.     case PIX_FMT_YUVA420P:

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

  343.         break;

  344.     case PIX_FMT_GRAY16:

  345.     case PIX_FMT_YUV420P9:

  346.     case PIX_FMT_YUV420P10:

  347.     case PIX_FMT_YUV420P16:

  348.     case PIX_FMT_YUV422P9:

  349.     case PIX_FMT_YUV422P10:

  350.     case PIX_FMT_YUV422P16:

  351.     case PIX_FMT_YUV444P9:

  352.     case PIX_FMT_YUV444P10:

  353.     case PIX_FMT_YUV444P16:

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

  355.         break;

  356.     default:

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

  358.         return AVERROR(EINVAL);

  359.         break;

  360.     }

  361. 

  362.     if (!cpyresult) {

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

  364.         return -1;

  365.     }

  366. 

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

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

  369.     if (!stream) {

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

  371.         return AVERROR(ENOMEM);

  372.     }

  373. 

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

  375.         opj_cio_close(stream);

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

  377.         return -1;

  378.     }

  379. 

  380.     len = cio_tell(stream);

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

  382.         opj_cio_close(stream);

  383.         return ret;

  384.     }

  385. 

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

  387.     pkt->flags |= AV_PKT_FLAG_KEY;

  388.     *got_packet = 1;

  389.     opj_cio_close(stream);

  390.     return 0;

  391. }

  392. 

  393. static av_cold int libopenjpeg_encode_close(AVCodecContext *avctx)

  394. {

  395.     LibOpenJPEGContext *ctx = avctx->priv_data;

  396. 

  397.     opj_destroy_compress(ctx->compress);

  398.     opj_image_destroy(ctx->image);

  399.     av_freep(&avctx->coded_frame);

  400.     return 0 ;

  401. }

  402. 

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

  404. #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

  405. static const AVOption options[] = {

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

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

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

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

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

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

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

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

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

  415.     { "2k_24",         NULL,                0,                     AV_OPT_TYPE_CONST, { CINEMA2K_24 }, 0,         0,           VE, "cinema_mode" },

  416.     { "2k_48",         NULL,                0,                     AV_OPT_TYPE_CONST, { CINEMA2K_48 }, 0,         0,           VE, "cinema_mode" },

  417.     { "4k_24",         NULL,                0,                     AV_OPT_TYPE_CONST, { CINEMA4K_24 }, 0,         0,           VE, "cinema_mode" },

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

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

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

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

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

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

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

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

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

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

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

  429.     { NULL },

  430. };

  431. 

  432. static const AVClass class = {

  433.     .class_name = "libopenjpeg",

  434.     .item_name  = av_default_item_name,

  435.     .option     = options,

  436.     .version    = LIBAVUTIL_VERSION_INT,

  437. };

  438. 

  439. AVCodec ff_libopenjpeg_encoder = {

  440.     .name           = "libopenjpeg",

  441.     .type           = AVMEDIA_TYPE_VIDEO,

  442.     .id             = CODEC_ID_JPEG2000,

  443.     .priv_data_size = sizeof(LibOpenJPEGContext),

  444.     .init           = libopenjpeg_encode_init,

  445.     .encode2        = libopenjpeg_encode_frame,

  446.     .close          = libopenjpeg_encode_close,

  447.     .capabilities   = 0,

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

  449.                                            PIX_FMT_GRAY8,PIX_FMT_GRAY8A,PIX_FMT_GRAY16,

  450.                                            PIX_FMT_YUV420P,PIX_FMT_YUV422P,PIX_FMT_YUVA420P,

  451.                                            PIX_FMT_YUV440P,PIX_FMT_YUV444P,

  452.                                            PIX_FMT_YUV420P9,PIX_FMT_YUV422P9,PIX_FMT_YUV444P9,

  453.                                            PIX_FMT_YUV420P10,PIX_FMT_YUV422P10,PIX_FMT_YUV444P10,

  454.                                            PIX_FMT_YUV420P16,PIX_FMT_YUV422P16,PIX_FMT_YUV444P16,

  455.                                            PIX_FMT_NONE},

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

  457.     .priv_class     = &class,

  458. };