diff --git a/libavcodec/Makefile b/libavcodec/Makefile index fcbca23d3a..676e68e843 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -243,8 +243,7 @@ OBJS-$(CONFIG_INDEO5_DECODER) += indeo5.o ivi_common.o ivi_dsp.o OBJS-$(CONFIG_INTERPLAY_DPCM_DECODER) += dpcm.o OBJS-$(CONFIG_INTERPLAY_VIDEO_DECODER) += interplayvideo.o OBJS-$(CONFIG_JACOSUB_DECODER) += jacosubdec.o ass.o -OBJS-$(CONFIG_J2K_DECODER) += j2kdec.o mqcdec.o mqc.o jpeg2000.o -OBJS-$(CONFIG_J2K_ENCODER) += j2kenc.o mqcenc.o mqc.o jpeg2000.o +OBJS-$(CONFIG_JPEG2000_ENCODER) += j2kenc.o mqcenc.o mqc.o jpeg2000.o OBJS-$(CONFIG_JPEG2000_DECODER) += jpeg2000dec.o jpeg2000.o \ jpeg2000dwt.o mqcdec.o mqc.o OBJS-$(CONFIG_JPEGLS_DECODER) += jpeglsdec.o jpegls.o \ diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c index a6b3e720fb..55819fe262 100644 --- a/libavcodec/allcodecs.c +++ b/libavcodec/allcodecs.c @@ -172,8 +172,7 @@ void avcodec_register_all(void) REGISTER_DECODER(INDEO4, indeo4); REGISTER_DECODER(INDEO5, indeo5); REGISTER_DECODER(INTERPLAY_VIDEO, interplay_video); - REGISTER_ENCDEC (J2K, j2k); - REGISTER_DECODER(JPEG2000, jpeg2000); + REGISTER_ENCDEC (JPEG2000, jpeg2000); REGISTER_ENCDEC (JPEGLS, jpegls); REGISTER_DECODER(JV, jv); REGISTER_DECODER(KGV1, kgv1); diff --git a/libavcodec/j2kdec.c b/libavcodec/j2kdec.c deleted file mode 100644 index dd545203b7..0000000000 --- a/libavcodec/j2kdec.c +++ /dev/null @@ -1,1396 +0,0 @@ -/* - * JPEG 2000 image decoder - * Copyright (c) 2007 Kamil Nowosad - * Copyright (c) 2013 Nicolas Bertrand - * - * 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 - */ - -/** - * JPEG2000 image decoder - * @file - * @author Kamil Nowosad - */ - -#include "libavutil/avassert.h" -#include "libavutil/common.h" -#include "libavutil/opt.h" -#include "avcodec.h" -#include "bytestream.h" -#include "internal.h" -#include "thread.h" -#include "jpeg2000.h" - -#define JP2_SIG_TYPE 0x6A502020 -#define JP2_SIG_VALUE 0x0D0A870A -#define JP2_CODESTREAM 0x6A703263 - -#define HAD_COC 0x01 -#define HAD_QCC 0x02 - -typedef struct Jpeg2000TilePart { - uint8_t tile_index; // Tile index who refers the tile-part - const uint8_t *tp_end; - GetByteContext tpg; // bit stream in tile-part -} Jpeg2000TilePart; - -/* RMK: For JPEG2000 DCINEMA 3 tile-parts in a tile - * one per component, so tile_part elements have a size of 3 */ -typedef struct Jpeg2000Tile { - Jpeg2000Component *comp; - uint8_t properties[4]; - Jpeg2000CodingStyle codsty[4]; - Jpeg2000QuantStyle qntsty[4]; - Jpeg2000TilePart tile_part[3]; - uint16_t tp_idx; // Tile-part index -} Jpeg2000Tile; - -typedef struct Jpeg2000DecoderContext { - AVClass *class; - AVCodecContext *avctx; - GetByteContext g; - - int width, height; - int image_offset_x, image_offset_y; - int tile_offset_x, tile_offset_y; - uint8_t cbps[4]; // bits per sample in particular components - uint8_t sgnd[4]; // if a component is signed - uint8_t properties[4]; - int cdx[4], cdy[4]; - int precision; - int ncomponents; - int tile_width, tile_height; - int numXtiles, numYtiles; - int maxtilelen; - - Jpeg2000CodingStyle codsty[4]; - Jpeg2000QuantStyle qntsty[4]; - - int bit_index; - - int curtileno; - - Jpeg2000Tile *tile; - - /*options parameters*/ - int lowres; - int reduction_factor; -} Jpeg2000DecoderContext; - -/* get_bits functions for JPEG2000 packet bitstream - * It is a get_bit function with a bit-stuffing routine. If the value of the - * byte is 0xFF, the next byte includes an extra zero bit stuffed into the MSB. - * cf. ISO-15444-1:2002 / B.10.1 Bit-stuffing routine */ -static int get_bits(Jpeg2000DecoderContext *s, int n) -{ - int res = 0; - - while (--n >= 0) { - res <<= 1; - if (s->bit_index == 0) { - s->bit_index = 7 + (bytestream2_get_byte(&s->g) != 0xFFu); - } - s->bit_index--; - res |= (bytestream2_peek_byte(&s->g) >> s->bit_index) & 1; - } - return res; -} - -static void jpeg2000_flush(Jpeg2000DecoderContext *s) -{ - if (bytestream2_get_byte(&s->g) == 0xff) - bytestream2_skip(&s->g, 1); - s->bit_index = 8; -} - -/* decode the value stored in node */ -static int tag_tree_decode(Jpeg2000DecoderContext *s, Jpeg2000TgtNode *node, - int threshold) -{ - Jpeg2000TgtNode *stack[30]; - int sp = -1, curval = 0; - - if (!node) - return AVERROR(EINVAL); - - while (node && !node->vis) { - stack[++sp] = node; - node = node->parent; - } - - if (node) - curval = node->val; - else - curval = stack[sp]->val; - - while (curval < threshold && sp >= 0) { - if (curval < stack[sp]->val) - curval = stack[sp]->val; - while (curval < threshold) { - int ret; - if ((ret = get_bits(s, 1)) > 0) { - stack[sp]->vis++; - break; - } else if (!ret) - curval++; - else - return ret; - } - stack[sp]->val = curval; - sp--; - } - return curval; -} - -/* marker segments */ -/* get sizes and offsets of image, tiles; number of components */ -static int get_siz(Jpeg2000DecoderContext *s) -{ - int i, ret; - - if (bytestream2_get_bytes_left(&s->g) < 36) - return AVERROR(EINVAL); - - s->avctx->profile = bytestream2_get_be16u(&s->g); // Rsiz - s->width = bytestream2_get_be32u(&s->g); // Width - s->height = bytestream2_get_be32u(&s->g); // Height - s->image_offset_x = bytestream2_get_be32u(&s->g); // X0Siz - s->image_offset_y = bytestream2_get_be32u(&s->g); // Y0Siz - s->tile_width = bytestream2_get_be32u(&s->g); // XTSiz - s->tile_height = bytestream2_get_be32u(&s->g); // YTSiz - s->tile_offset_x = bytestream2_get_be32u(&s->g); // XT0Siz - s->tile_offset_y = bytestream2_get_be32u(&s->g); // YT0Siz - s->ncomponents = bytestream2_get_be16u(&s->g); // CSiz - - if (s->ncomponents <= 0 || s->ncomponents > 4) { - av_log(s->avctx, AV_LOG_ERROR, "unsupported/invalid ncomponents: %d\n", s->ncomponents); - return AVERROR(EINVAL); - } - if (s->tile_width<=0 || s->tile_height<=0) - return AVERROR(EINVAL); - - if (bytestream2_get_bytes_left(&s->g) < 3 * s->ncomponents) - return AVERROR(EINVAL); - - for (i = 0; i < s->ncomponents; i++) { // Ssiz_i XRsiz_i, YRsiz_i - uint8_t x = bytestream2_get_byteu(&s->g); - s->cbps[i] = (x & 0x7f) + 1; - s->precision = FFMAX(s->cbps[i], s->precision); - s->sgnd[i] = !!(x & 0x80); - s->cdx[i] = bytestream2_get_byteu(&s->g); - s->cdy[i] = bytestream2_get_byteu(&s->g); - if (s->cdx[i] != 1 || s->cdy[i] != 1) { - av_log(s->avctx, AV_LOG_ERROR, "unsupported/ CDxy values\n"); - } - } - - s->numXtiles = ff_jpeg2000_ceildiv(s->width - s->tile_offset_x, s->tile_width); - s->numYtiles = ff_jpeg2000_ceildiv(s->height - s->tile_offset_y, s->tile_height); - - if (s->numXtiles * (uint64_t)s->numYtiles > INT_MAX/sizeof(Jpeg2000Tile)) - return AVERROR(EINVAL); - - s->tile = av_mallocz(s->numXtiles * s->numYtiles * sizeof(*s->tile)); - if (!s->tile) - return AVERROR(ENOMEM); - - for (i = 0; i < s->numXtiles * s->numYtiles; i++) { - Jpeg2000Tile *tile = s->tile + i; - - tile->comp = av_mallocz(s->ncomponents * sizeof(*tile->comp)); - if (!tile->comp) - return AVERROR(ENOMEM); - } - - /* compute image size with reduction factor */ - s->avctx->width = ff_jpeg2000_ceildivpow2(s->width - s->image_offset_x, - s->reduction_factor); - s->avctx->height = ff_jpeg2000_ceildivpow2(s->height - s->image_offset_y, - s->reduction_factor); - - switch(s->ncomponents) { - case 1: - if (s->precision > 8) - s->avctx->pix_fmt = AV_PIX_FMT_GRAY16; - else - s->avctx->pix_fmt = AV_PIX_FMT_GRAY8; - break; - case 3: - switch (s->avctx->profile) { - case FF_PROFILE_JPEG2000_DCINEMA_2K: - case FF_PROFILE_JPEG2000_DCINEMA_4K: - /* XYZ color-space for digital cinema profiles */ - s->avctx->pix_fmt = AV_PIX_FMT_XYZ12; - break; - default: - if (s->precision > 8) - s->avctx->pix_fmt = AV_PIX_FMT_RGB48; - else - s->avctx->pix_fmt = AV_PIX_FMT_RGB24; - break; - } - break; - case 4: - s->avctx->pix_fmt = AV_PIX_FMT_RGBA; - break; - default: - /* pixel format can not be identified */ - s->avctx->pix_fmt = AV_PIX_FMT_NONE; - break; - } - - return 0; -} - -/* get common part for COD and COC segments */ -static int get_cox(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *c) -{ - uint8_t byte; - - if (bytestream2_get_bytes_left(&s->g) < 5) - return AVERROR(EINVAL); - c->nreslevels = bytestream2_get_byteu(&s->g) + 1; // num of resolution levels - 1 - if (c->nreslevels >= JPEG2000_MAX_RESLEVELS) { - av_log(s->avctx, AV_LOG_ERROR, "nreslevels %d is invalid\n", c->nreslevels); - return AVERROR_INVALIDDATA; - } - - /* compute number of resolution levels to decode */ - if (c->nreslevels < s->reduction_factor) - c->nreslevels2decode = 1; - else - c->nreslevels2decode = c->nreslevels - s->reduction_factor; - - c->log2_cblk_width = (bytestream2_get_byteu(&s->g) & 15) + 2; // cblk width - c->log2_cblk_height = (bytestream2_get_byteu(&s->g) & 15) + 2; // cblk height - - if (c->log2_cblk_width > 10 || c->log2_cblk_height > 10 || - c->log2_cblk_width + c->log2_cblk_height > 14) { - av_log(s->avctx, AV_LOG_ERROR, "cblk size invalid\n"); - return AVERROR_INVALIDDATA; - } - - c->cblk_style = bytestream2_get_byteu(&s->g); - if (c->cblk_style != 0) { // cblk style - av_log(s->avctx, AV_LOG_WARNING, "extra cblk styles %X\n", c->cblk_style); - } - c->transform = bytestream2_get_byteu(&s->g); // DWT transformation type - /* set integer 9/7 DWT in case of BITEXACT flag */ - if ((s->avctx->flags & CODEC_FLAG_BITEXACT) && (c->transform == FF_DWT97)) - c->transform = FF_DWT97_INT; - - if (c->csty & JPEG2000_CSTY_PREC) { - int i; - for (i = 0; i < c->nreslevels; i++) { - byte = bytestream2_get_byte(&s->g); - c->log2_prec_widths[i] = byte & 0x0F; // precinct PPx - c->log2_prec_heights[i] = (byte >> 4) & 0x0F; // precinct PPy - } - } else { - memset(c->log2_prec_widths , 15, sizeof(c->log2_prec_widths )); - memset(c->log2_prec_heights, 15, sizeof(c->log2_prec_heights)); - } - return 0; -} - -/* get coding parameters for a particular tile or whole image*/ -static int get_cod(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *c, - uint8_t *properties) -{ - Jpeg2000CodingStyle tmp; - int compno; - - if (bytestream2_get_bytes_left(&s->g) < 5) - return AVERROR(EINVAL); - - tmp.csty = bytestream2_get_byteu(&s->g); - - // get progression order - tmp.prog_order = bytestream2_get_byteu(&s->g); - - tmp.nlayers = bytestream2_get_be16u(&s->g); - tmp.mct = bytestream2_get_byteu(&s->g); // multiple component transformation - - get_cox(s, &tmp); - for (compno = 0; compno < s->ncomponents; compno++) - if (!(properties[compno] & HAD_COC)) - memcpy(c + compno, &tmp, sizeof(tmp)); - return 0; -} - -/* Get coding parameters for a component in the whole image or a - * particular tile. */ -static int get_coc(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *c, - uint8_t *properties) -{ - int compno; - - if (bytestream2_get_bytes_left(&s->g) < 2) - return AVERROR(EINVAL); - - compno = bytestream2_get_byteu(&s->g); - - c += compno; - c->csty = bytestream2_get_byteu(&s->g); - get_cox(s, c); - - properties[compno] |= HAD_COC; - return 0; -} - -/* Get common part for QCD and QCC segments. */ -static int get_qcx(Jpeg2000DecoderContext *s, int n, Jpeg2000QuantStyle *q) -{ - int i, x; - - if (bytestream2_get_bytes_left(&s->g) < 1) - return AVERROR(EINVAL); - - x = bytestream2_get_byteu(&s->g); // Sqcd - - q->nguardbits = x >> 5; - q->quantsty = x & 0x1f; - - if (q->quantsty == JPEG2000_QSTY_NONE) { - n -= 3; - if (bytestream2_get_bytes_left(&s->g) < n || 32*3 < n) - return AVERROR(EINVAL); - for (i = 0; i < n; i++) - q->expn[i] = bytestream2_get_byteu(&s->g) >> 3; - } else if (q->quantsty == JPEG2000_QSTY_SI) { - if (bytestream2_get_bytes_left(&s->g) < 2) - return AVERROR(EINVAL); - x = bytestream2_get_be16u(&s->g); - q->expn[0] = x >> 11; - q->mant[0] = x & 0x7ff; - for (i = 1; i < 32 * 3; i++) { - int curexpn = FFMAX(0, q->expn[0] - (i - 1) / 3); - q->expn[i] = curexpn; - q->mant[i] = q->mant[0]; - } - } else { - n = (n - 3) >> 1; - if (bytestream2_get_bytes_left(&s->g) < 2 * n || 32*3 < n) - return AVERROR(EINVAL); - for (i = 0; i < n; i++) { - x = bytestream2_get_be16u(&s->g); - q->expn[i] = x >> 11; - q->mant[i] = x & 0x7ff; - } - } - return 0; -} - -/* Get quantization parameters for a particular tile or a whole image. */ -static int get_qcd(Jpeg2000DecoderContext *s, int n, Jpeg2000QuantStyle *q, - uint8_t *properties) -{ - Jpeg2000QuantStyle tmp; - int compno; - - if (get_qcx(s, n, &tmp)) - return -1; - for (compno = 0; compno < s->ncomponents; compno++) - if (!(properties[compno] & HAD_QCC)) - memcpy(q + compno, &tmp, sizeof(tmp)); - return 0; -} - -/* Get quantization parameters for a component in the whole image - * on in a particular tile. */ -static int get_qcc(Jpeg2000DecoderContext *s, int n, Jpeg2000QuantStyle *q, - uint8_t *properties) -{ - int compno; - - if (bytestream2_get_bytes_left(&s->g) < 1) - return AVERROR(EINVAL); - - compno = bytestream2_get_byteu(&s->g); - properties[compno] |= HAD_QCC; - return get_qcx(s, n - 1, q + compno); -} - -/* Get start of tile segment. */ -static int get_sot(Jpeg2000DecoderContext *s, int n) -{ - Jpeg2000TilePart *tp; - uint16_t Isot; - uint32_t Psot; - uint8_t TPsot; - - if (bytestream2_get_bytes_left(&s->g) < 8) - return AVERROR(EINVAL); - - s->curtileno = Isot = bytestream2_get_be16u(&s->g); // Isot - if ((unsigned)s->curtileno >= s->numXtiles * s->numYtiles) { - s->curtileno=0; - return AVERROR(EINVAL); - } - Psot = bytestream2_get_be32u(&s->g); // Psot - TPsot = bytestream2_get_byteu(&s->g); // TPsot - - /* Read TNSot but not used */ - bytestream2_get_byteu(&s->g); // TNsot - - if (TPsot >= FF_ARRAY_ELEMS(s->tile[s->curtileno].tile_part)) { - av_log(s->avctx, AV_LOG_ERROR, "TPsot %d too big\n", TPsot); - return AVERROR_PATCHWELCOME; - } - - s->tile[s->curtileno].tp_idx = TPsot; - tp = s->tile[s->curtileno].tile_part + TPsot; - tp->tile_index = Isot; - tp->tp_end = s->g.buffer + Psot - n - 2; - - if (!TPsot) { - Jpeg2000Tile *tile = s->tile + s->curtileno; - - /* copy defaults */ - memcpy(tile->codsty, s->codsty, s->ncomponents * sizeof(Jpeg2000CodingStyle)); - memcpy(tile->qntsty, s->qntsty, s->ncomponents * sizeof(Jpeg2000QuantStyle)); - } - - return 0; -} - -/* Tile-part lengths: see ISO 15444-1:2002, section A.7.1 - * Used to know the number of tile parts and lengths. - * There may be multiple TLMs in the header. - * TODO: The function is not used for tile-parts management, nor anywhere else. - * It can be useful to allocate memory for tile parts, before managing the SOT - * markers. Parsing the TLM header is needed to increment the input header - * buffer. - * This marker is mandatory for DCI. */ -static uint8_t get_tlm(Jpeg2000DecoderContext *s, int n) -{ - uint8_t Stlm, ST, SP, tile_tlm, i; - bytestream2_get_byte(&s->g); /* Ztlm: skipped */ - Stlm = bytestream2_get_byte(&s->g); - - // too complex ? ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02); - ST = (Stlm >> 4) & 0x03; - // TODO: Manage case of ST = 0b11 --> raise error - SP = (Stlm >> 6) & 0x01; - tile_tlm = (n - 4) / ((SP + 1) * 2 + ST); - for (i = 0; i < tile_tlm; i++) { - switch (ST) { - case 0: - break; - case 1: - bytestream2_get_byte(&s->g); - break; - case 2: - bytestream2_get_be16(&s->g); - break; - case 3: - bytestream2_get_be32(&s->g); - break; - } - if (SP == 0) { - bytestream2_get_be16(&s->g); - } else { - bytestream2_get_be32(&s->g); - } - } - return 0; -} - -static int init_tile(Jpeg2000DecoderContext *s, int tileno) -{ - int compno; - int tilex = tileno % s->numXtiles; - int tiley = tileno / s->numXtiles; - Jpeg2000Tile *tile = s->tile + tileno; - - if (!tile->comp) - return AVERROR(ENOMEM); - - for (compno = 0; compno < s->ncomponents; compno++) { - Jpeg2000Component *comp = tile->comp + compno; - Jpeg2000CodingStyle *codsty = tile->codsty + compno; - Jpeg2000QuantStyle *qntsty = tile->qntsty + compno; - int ret; // global bandno - - comp->coord_o[0][0] = FFMAX(tilex * s->tile_width + s->tile_offset_x, s->image_offset_x); - comp->coord_o[0][1] = FFMIN((tilex + 1) * s->tile_width + s->tile_offset_x, s->width); - comp->coord_o[1][0] = FFMAX(tiley * s->tile_height + s->tile_offset_y, s->image_offset_y); - comp->coord_o[1][1] = FFMIN((tiley + 1) * s->tile_height + s->tile_offset_y, s->height); - - comp->coord[0][0] = ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], s->reduction_factor); - comp->coord[0][1] = ff_jpeg2000_ceildivpow2(comp->coord_o[0][1], s->reduction_factor); - comp->coord[1][0] = ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], s->reduction_factor); - comp->coord[1][1] = ff_jpeg2000_ceildivpow2(comp->coord_o[1][1], s->reduction_factor); - - if (ret = ff_jpeg2000_init_component(comp, codsty, qntsty, s->cbps[compno], s->cdx[compno], s->cdy[compno], s->avctx)) - return ret; - } - return 0; -} - -/* Read the number of coding passes. */ -static int getnpasses(Jpeg2000DecoderContext *s) -{ - int num; - if (!get_bits(s, 1)) - return 1; - if (!get_bits(s, 1)) - return 2; - if ((num = get_bits(s, 2)) != 3) - return num < 0 ? num : 3 + num; - if ((num = get_bits(s, 5)) != 31) - return num < 0 ? num : 6 + num; - num = get_bits(s, 7); - return num < 0 ? num : 37 + num; -} - -static int getlblockinc(Jpeg2000DecoderContext *s) -{ - int res = 0, ret; - while (ret = get_bits(s, 1)) { - if (ret < 0) - return ret; - res++; - } - return res; -} - -static int jpeg2000_decode_packet(Jpeg2000DecoderContext *s, - Jpeg2000CodingStyle *codsty, - Jpeg2000ResLevel *rlevel, int precno, - int layno, uint8_t *expn, int numgbits) -{ - int bandno, cblkno, ret, nb_code_blocks; - - if (!(ret = get_bits(s, 1))) { - jpeg2000_flush(s); - return 0; - } else if (ret < 0) - return ret; - - for (bandno = 0; bandno < rlevel->nbands; bandno++) { - Jpeg2000Band *band = rlevel->band + bandno; - Jpeg2000Prec *prec = band->prec + precno; - - if (band->coord[0][0] == band->coord[0][1] || - band->coord[1][0] == band->coord[1][1]) - continue; - - nb_code_blocks = prec->nb_codeblocks_height * - prec->nb_codeblocks_width; - for (cblkno = 0; cblkno < nb_code_blocks; cblkno++) { - Jpeg2000Cblk *cblk = prec->cblk + cblkno; - int incl, newpasses, llen; - - if (cblk->npasses) - incl = get_bits(s, 1); - else - incl = tag_tree_decode(s, prec->cblkincl + cblkno, layno + 1) == layno; - if (!incl) - continue; - else if (incl < 0) - return incl; - - if (!cblk->npasses) - cblk->nonzerobits = expn[bandno] + numgbits - 1 - - tag_tree_decode(s, prec->zerobits + cblkno, - 100); - if ((newpasses = getnpasses(s)) < 0) - return newpasses; - if ((llen = getlblockinc(s)) < 0) - return llen; - cblk->lblock += llen; - if ((ret = get_bits(s, av_log2(newpasses) + cblk->lblock)) < 0) - return ret; - cblk->lengthinc = ret; - cblk->npasses += newpasses; - } - } - jpeg2000_flush(s); - - if (codsty->csty & JPEG2000_CSTY_EPH) { - if (bytestream2_peek_be16(&s->g) == JPEG2000_EPH) - bytestream2_skip(&s->g, 2); - else - av_log(s->avctx, AV_LOG_ERROR, "EPH marker not found.\n"); - } - - for (bandno = 0; bandno < rlevel->nbands; bandno++) { - Jpeg2000Band *band = rlevel->band + bandno; - Jpeg2000Prec *prec = band->prec + precno; - - nb_code_blocks = prec->nb_codeblocks_height * prec->nb_codeblocks_width; - for (cblkno = 0; cblkno < nb_code_blocks; cblkno++) { - Jpeg2000Cblk *cblk = prec->cblk + cblkno; - if ( bytestream2_get_bytes_left(&s->g) < cblk->lengthinc - || sizeof(cblk->data) < cblk->lengthinc - ) - return AVERROR(EINVAL); - /* Code-block data can be empty. In that case initialize data - * with 0xFFFF. */ - if (cblk->lengthinc > 0) { - bytestream2_get_bufferu(&s->g, cblk->data, cblk->lengthinc); - } else { - cblk->data[0] = 0xFF; - cblk->data[1] = 0xFF; - } - cblk->length += cblk->lengthinc; - cblk->lengthinc = 0; - } - } - return 0; -} - -static int jpeg2000_decode_packets(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile) -{ - int layno, reslevelno, compno, precno, ok_reslevel; - int x, y; - - s->bit_index = 8; - switch (tile->codsty[0].prog_order) { - case JPEG2000_PGOD_LRCP: - case JPEG2000_PGOD_RLCP: - for (layno = 0; layno < tile->codsty[0].nlayers; layno++) { - ok_reslevel = 1; - for (reslevelno = 0; ok_reslevel; reslevelno++) { - ok_reslevel = 0; - for (compno = 0; compno < s->ncomponents; compno++) { - Jpeg2000CodingStyle *codsty = tile->codsty + compno; - Jpeg2000QuantStyle *qntsty = tile->qntsty + compno; - if (reslevelno < codsty->nreslevels) { - Jpeg2000ResLevel *rlevel = tile->comp[compno].reslevel + - reslevelno; - ok_reslevel = 1; - for (precno = 0; precno < rlevel->num_precincts_x * rlevel->num_precincts_y; precno++) - if (jpeg2000_decode_packet(s, - codsty, rlevel, - precno, layno, - qntsty->expn + (reslevelno ? 3 * (reslevelno - 1) + 1 : 0), - qntsty->nguardbits)) - return -1; - } - } - } - } - break; - - case JPEG2000_PGOD_CPRL: - for (compno = 0; compno < s->ncomponents; compno++) { - Jpeg2000CodingStyle *codsty = tile->codsty + compno; - Jpeg2000QuantStyle *qntsty = tile->qntsty + compno; - - /* Set bit stream buffer address according to tile-part. - * For DCinema one tile-part per component, so can be - * indexed by component. */ - s->g = tile->tile_part[compno].tpg; - - /* Position loop (y axis) - * TODO: Automate computing of step 256. - * Fixed here, but to be computed before entering here. */ - for (y = 0; y < s->height; y += 256) { - /* Position loop (y axis) - * TODO: automate computing of step 256. - * Fixed here, but to be computed before entering here. */ - for (x = 0; x < s->width; x += 256) { - for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) { - uint16_t prcx, prcy; - uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r - Jpeg2000ResLevel *rlevel = tile->comp[compno].reslevel + reslevelno; - - if (!((y % (1 << (rlevel->log2_prec_height + reducedresno)) == 0) || - (y == 0))) // TODO: 2nd condition simplified as try0 always =0 for dcinema - continue; - - if (!((x % (1 << (rlevel->log2_prec_width + reducedresno)) == 0) || - (x == 0))) // TODO: 2nd condition simplified as try0 always =0 for dcinema - continue; - - // check if a precinct exists - prcx = ff_jpeg2000_ceildivpow2(x, reducedresno) >> rlevel->log2_prec_width; - prcy = ff_jpeg2000_ceildivpow2(y, reducedresno) >> rlevel->log2_prec_height; - precno = prcx + rlevel->num_precincts_x * prcy; - for (layno = 0; layno < tile->codsty[0].nlayers; layno++) { - if (jpeg2000_decode_packet(s, codsty, rlevel, - precno, layno, - qntsty->expn + (reslevelno ? 3 * (reslevelno - 1) + 1 : 0), - qntsty->nguardbits)) - return -1; - } - } - } - } - } - break; - - default: - break; - } - - /* EOC marker reached */ - bytestream2_skip(&s->g, 2); - - return 0; -} - -/* TIER-1 routines */ -static void decode_sigpass(Jpeg2000T1Context *t1, int width, int height, - int bpno, int bandno, int bpass_csty_symbol, - int vert_causal_ctx_csty_symbol) -{ - int mask = 3 << (bpno - 1), y0, x, y; - - for (y0 = 0; y0 < height; y0 += 4) - for (x = 0; x < width; x++) - for (y = y0; y < height && y < y0 + 4; y++) { - if ((t1->flags[y+1][x+1] & JPEG2000_T1_SIG_NB) - && !(t1->flags[y+1][x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS))) { - int flags_mask = -1; - if (vert_causal_ctx_csty_symbol && y == y0 + 3) - flags_mask &= ~(JPEG2000_T1_SIG_S | JPEG2000_T1_SIG_SW | JPEG2000_T1_SIG_SE); - if (ff_mqc_decode(&t1->mqc, t1->mqc.cx_states + ff_jpeg2000_getsigctxno(t1->flags[y+1][x+1] & flags_mask, bandno))) { - int xorbit, ctxno = ff_jpeg2000_getsgnctxno(t1->flags[y+1][x+1], &xorbit); - if (bpass_csty_symbol) - t1->data[y][x] = ff_mqc_decode(&t1->mqc, t1->mqc.cx_states + ctxno) ? -mask : mask; - else - t1->data[y][x] = (ff_mqc_decode(&t1->mqc, t1->mqc.cx_states + ctxno) ^ xorbit) ? - -mask : mask; - - ff_jpeg2000_set_significance(t1, x, y, - t1->data[y][x] < 0); - } - t1->flags[y + 1][x + 1] |= JPEG2000_T1_VIS; - } - } -} - -static void decode_refpass(Jpeg2000T1Context *t1, int width, int height, - int bpno) -{ - int phalf, nhalf; - int y0, x, y; - - phalf = 1 << (bpno - 1); - nhalf = -phalf; - - for (y0 = 0; y0 < height; y0 += 4) - for (x = 0; x < width; x++) - for (y = y0; y < height && y < y0 + 4; y++) - if ((t1->flags[y + 1][x + 1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS)) == JPEG2000_T1_SIG) { - int ctxno = ff_jpeg2000_getrefctxno(t1->flags[y + 1][x + 1]); - int r = ff_mqc_decode(&t1->mqc, - t1->mqc.cx_states + ctxno) - ? phalf : nhalf; - t1->data[y][x] += t1->data[y][x] < 0 ? -r : r; - t1->flags[y + 1][x + 1] |= JPEG2000_T1_REF; - } -} - -static void decode_clnpass(Jpeg2000DecoderContext *s, Jpeg2000T1Context *t1, - int width, int height, int bpno, int bandno, - int seg_symbols, int vert_causal_ctx_csty_symbol) -{ - int mask = 3 << (bpno - 1), y0, x, y, runlen, dec; - - for (y0 = 0; y0 < height; y0 += 4) { - for (x = 0; x < width; x++) { - if (y0 + 3 < height && - !((t1->flags[y0 + 1][x + 1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) || - (t1->flags[y0 + 2][x + 1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) || - (t1->flags[y0 + 3][x + 1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) || - (t1->flags[y0 + 4][x + 1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)))) { - if (!ff_mqc_decode(&t1->mqc, t1->mqc.cx_states + MQC_CX_RL)) - continue; - runlen = ff_mqc_decode(&t1->mqc, - t1->mqc.cx_states + MQC_CX_UNI); - runlen = (runlen << 1) | ff_mqc_decode(&t1->mqc, - t1->mqc.cx_states + - MQC_CX_UNI); - dec = 1; - } else { - runlen = 0; - dec = 0; - } - - for (y = y0 + runlen; y < y0 + 4 && y < height; y++) { - if (!dec) { - if (!(t1->flags[y+1][x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS))) { - int flags_mask = -1; - if (vert_causal_ctx_csty_symbol && y == y0 + 3) - flags_mask &= ~(JPEG2000_T1_SIG_S | JPEG2000_T1_SIG_SW | JPEG2000_T1_SIG_SE); - dec = ff_mqc_decode(&t1->mqc, t1->mqc.cx_states + ff_jpeg2000_getsigctxno(t1->flags[y+1][x+1] & flags_mask, - bandno)); - } - } - if (dec) { - int xorbit; - int ctxno = ff_jpeg2000_getsgnctxno(t1->flags[y + 1][x + 1], - &xorbit); - t1->data[y][x] = (ff_mqc_decode(&t1->mqc, - t1->mqc.cx_states + ctxno) ^ - xorbit) - ? -mask : mask; - ff_jpeg2000_set_significance(t1, x, y, t1->data[y][x] < 0); - } - dec = 0; - t1->flags[y + 1][x + 1] &= ~JPEG2000_T1_VIS; - } - } - } - if (seg_symbols) { - int val; - val = ff_mqc_decode(&t1->mqc, t1->mqc.cx_states + MQC_CX_UNI); - val = (val << 1) + ff_mqc_decode(&t1->mqc, t1->mqc.cx_states + MQC_CX_UNI); - val = (val << 1) + ff_mqc_decode(&t1->mqc, t1->mqc.cx_states + MQC_CX_UNI); - val = (val << 1) + ff_mqc_decode(&t1->mqc, t1->mqc.cx_states + MQC_CX_UNI); - if (val != 0xa) - av_log(s->avctx, AV_LOG_ERROR, - "Segmentation symbol value incorrect\n"); - } -} - -static int decode_cblk(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *codsty, - Jpeg2000T1Context *t1, Jpeg2000Cblk *cblk, - int width, int height, int bandpos) -{ - int passno = cblk->npasses, pass_t = 2, bpno = cblk->nonzerobits - 1, y, clnpass_cnt = 0; - int bpass_csty_symbol = JPEG2000_CBLK_BYPASS & codsty->cblk_style; - int vert_causal_ctx_csty_symbol = JPEG2000_CBLK_VSC & codsty->cblk_style; - - for (y = 0; y < height; y++) - memset(t1->data[y], 0, width * sizeof(**t1->data)); - - /* If code-block contains no compressed data: nothing to do. */ - if (!cblk->length) - return 0; - - for (y = 0; y < height+2; y++) - memset(t1->flags[y], 0, (width + 2)*sizeof(**t1->flags)); - - cblk->data[cblk->length] = 0xff; - cblk->data[cblk->length+1] = 0xff; - ff_mqc_initdec(&t1->mqc, cblk->data); - - while (passno--) { - switch(pass_t) { - case 0: - decode_sigpass(t1, width, height, bpno + 1, bandpos, - bpass_csty_symbol && (clnpass_cnt >= 4), vert_causal_ctx_csty_symbol); - break; - case 1: - decode_refpass(t1, width, height, bpno + 1); - if (bpass_csty_symbol && clnpass_cnt >= 4) - ff_mqc_initdec(&t1->mqc, cblk->data); - break; - case 2: - decode_clnpass(s, t1, width, height, bpno + 1, bandpos, - codsty->cblk_style & JPEG2000_CBLK_SEGSYM, vert_causal_ctx_csty_symbol); - clnpass_cnt = clnpass_cnt + 1; - if (bpass_csty_symbol && clnpass_cnt >= 4) - ff_mqc_initdec(&t1->mqc, cblk->data); - break; - } - - pass_t++; - if (pass_t == 3) { - bpno--; - pass_t = 0; - } - } - return 0; -} - -/* TODO: Verify dequantization for lossless case - * comp->data can be float or int - * band->stepsize can be float or int - * depending on the type of DWT transformation. - * see ISO/IEC 15444-1:2002 A.6.1 */ - -/* Float dequantization of a codeblock.*/ -static void dequantization_float(int x, int y, Jpeg2000Cblk *cblk, - Jpeg2000Component *comp, - Jpeg2000T1Context *t1, Jpeg2000Band *band) -{ - int i, j, idx; - float *datap = &comp->f_data[(comp->coord[0][1] - comp->coord[0][0]) * y + x]; - for (j = 0; j < (cblk->coord[1][1] - cblk->coord[1][0]); ++j) - for (i = 0; i < (cblk->coord[0][1] - cblk->coord[0][0]); ++i) { - idx = (comp->coord[0][1] - comp->coord[0][0]) * j + i; - datap[idx] = (float)(t1->data[j][i]) * band->f_stepsize; - } -} - -/* Integer dequantization of a codeblock.*/ -static void dequantization_int(int x, int y, Jpeg2000Cblk *cblk, - Jpeg2000Component *comp, - Jpeg2000T1Context *t1, Jpeg2000Band *band) -{ - int i, j, idx; - int32_t *datap = &comp->i_data[(comp->coord[0][1] - comp->coord[0][0]) * y + x]; - for (j = 0; j < (cblk->coord[1][1] - cblk->coord[1][0]); ++j) - for (i = 0; i < (cblk->coord[0][1] - cblk->coord[0][0]); ++i) { - idx = (comp->coord[0][1] - comp->coord[0][0]) * j + i; - datap[idx] = - ((int32_t)(t1->data[j][i]) * band->i_stepsize + (1 << 15)) >> 16; - } -} - -/* Inverse ICT parameters in float and integer. - * int value = (float value) * (1<<16) */ -static const float f_ict_params[4] = { - 1.402f, - 0.34413f, - 0.71414f, - 1.772f -}; -static const int i_ict_params[4] = { - 91881, - 22553, - 46802, - 116130 -}; - -static void mct_decode(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile) -{ - int i, csize = 1; - int32_t *src[3], i0, i1, i2; - float *srcf[3], i0f, i1f, i2f; - - for (i = 0; i < 3; i++) - if (tile->codsty[0].transform == FF_DWT97) - srcf[i] = tile->comp[i].f_data; - else - src [i] = tile->comp[i].i_data; - - for (i = 0; i < 2; i++) - csize *= tile->comp[0].coord[i][1] - tile->comp[0].coord[i][0]; - - switch (tile->codsty[0].transform) { - case FF_DWT97: - for (i = 0; i < csize; i++) { - i0f = *srcf[0] + (f_ict_params[0] * *srcf[2]); - i1f = *srcf[0] - (f_ict_params[1] * *srcf[1]) - - (f_ict_params[2] * *srcf[2]); - i2f = *srcf[0] + (f_ict_params[3] * *srcf[1]); - *srcf[0]++ = i0f; - *srcf[1]++ = i1f; - *srcf[2]++ = i2f; - } - break; - case FF_DWT97_INT: - for (i = 0; i < csize; i++) { - i0 = *src[0] + (((i_ict_params[0] * *src[2]) + (1 << 15)) >> 16); - i1 = *src[0] - (((i_ict_params[1] * *src[1]) + (1 << 15)) >> 16) - - (((i_ict_params[2] * *src[2]) + (1 << 15)) >> 16); - i2 = *src[0] + (((i_ict_params[3] * *src[1]) + (1 << 15)) >> 16); - *src[0]++ = i0; - *src[1]++ = i1; - *src[2]++ = i2; - } - break; - case FF_DWT53: - for (i = 0; i < csize; i++) { - i1 = *src[0] - (*src[2] + *src[1] >> 2); - i0 = i1 + *src[2]; - i2 = i1 + *src[1]; - *src[0]++ = i0; - *src[1]++ = i1; - *src[2]++ = i2; - } - break; - } -} - -static int jpeg2000_decode_tile(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile, - AVFrame *picture) -{ - int compno, reslevelno, bandno; - int x, y; - - uint8_t *line; - Jpeg2000T1Context t1; - - /* Loop on tile components */ - for (compno = 0; compno < s->ncomponents; compno++) { - Jpeg2000Component *comp = tile->comp + compno; - Jpeg2000CodingStyle *codsty = tile->codsty + compno; - - /* Loop on resolution levels */ - for (reslevelno = 0; reslevelno < codsty->nreslevels2decode; reslevelno++) { - Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno; - /* Loop on bands */ - for (bandno = 0; bandno < rlevel->nbands; bandno++) { - int nb_precincts, precno; - Jpeg2000Band *band = rlevel->band + bandno; - int cblkno=0, bandpos; - - bandpos = bandno + (reslevelno > 0); - - if (band->coord[0][0] == band->coord[0][1] || band->coord[1][0] == band->coord[1][1]) - continue; - - nb_precincts = rlevel->num_precincts_x * rlevel->num_precincts_y; - /* Loop on precincts */ - for (precno = 0; precno < nb_precincts; precno++) { - Jpeg2000Prec *prec = band->prec + precno; - - /* Loop on codeblocks */ - for (cblkno = 0; cblkno < prec->nb_codeblocks_width * prec->nb_codeblocks_height; cblkno++) { - int x, y; - Jpeg2000Cblk *cblk = prec->cblk + cblkno; - decode_cblk(s, codsty, &t1, cblk, - cblk->coord[0][1] - cblk->coord[0][0], - cblk->coord[1][1] - cblk->coord[1][0], - bandpos); - - /* Manage band offsets */ - x = cblk->coord[0][0]; - y = cblk->coord[1][0]; - - if (codsty->transform == FF_DWT97) - dequantization_float(x, y, cblk, comp, &t1, band); - else - dequantization_int(x, y, cblk, comp, &t1, band); - } /* end cblk */ - } /*end prec */ - } /* end band */ - } /* end reslevel */ - - /* inverse DWT */ - ff_dwt_decode(&comp->dwt, codsty->transform == FF_DWT97 ? (void*)comp->f_data : (void*)comp->i_data); - } /*end comp */ - - /* inverse MCT transformation */ - if (tile->codsty[0].mct) - mct_decode(s, tile); - - if (s->precision <= 8) { - for (compno = 0; compno < s->ncomponents; compno++) { - Jpeg2000Component *comp = tile->comp + compno; - float *datap = comp->f_data; - int32_t *i_datap = comp->i_data; - - y = tile->comp[compno].coord[1][0] - s->image_offset_y; - line = picture->data[0] + y * picture->linesize[0]; - for (; y < tile->comp[compno].coord[1][1] - s->image_offset_y; y += s->cdy[compno]) { - uint8_t *dst; - - x = tile->comp[compno].coord[0][0] - s->image_offset_x; - dst = line + x * s->ncomponents + compno; - - for (; x < tile->comp[compno].coord[0][1] - s->image_offset_x; x += s->cdx[compno]) { - int val; - /* DC level shift and clip see ISO 15444-1:2002 G.1.2 */ - if (tile->codsty->transform == FF_DWT97) - val = lrintf(*datap) + (1 << (s->cbps[compno] - 1)); - else - val = *i_datap + (1 << (s->cbps[compno] - 1)); - val = av_clip(val, 0, (1 << s->cbps[compno]) - 1); - *dst = val << (8 - s->cbps[compno]); - datap++; - i_datap++; - dst += s->ncomponents; - } - line += picture->linesize[0]; - } - } - } else { - for (compno = 0; compno < s->ncomponents; compno++) { - Jpeg2000Component *comp = tile->comp + compno; - float *datap = comp->f_data; - int32_t *i_datap = comp->i_data; - uint16_t *linel; - - y = tile->comp[compno].coord[1][0] - s->image_offset_y; - linel = (uint16_t*)picture->data[0] + y * (picture->linesize[0] >> 1); - for (; y < tile->comp[compno].coord[1][1] - s->image_offset_y; y += s->cdy[compno]) { - uint16_t *dst; - - x = tile->comp[compno].coord[0][0] - s->image_offset_x; - dst = linel + (x * s->ncomponents + compno); - for (; x < tile->comp[compno].coord[0][1] - s->image_offset_x; x += s-> cdx[compno]) { - int val; - /* DC level shift and clip see ISO 15444-1:2002 G.1.2 */ - if (tile->codsty->transform == FF_DWT97) - val = lrintf(*datap) + (1 << (s->cbps[compno] - 1)); - else - val = *i_datap + (1 << (s->cbps[compno] - 1)); - val = av_clip(val, 0, (1 << s->cbps[compno]) - 1); - /* align 12 bit values in little-endian mode */ - *dst = val << (16 - s->cbps[compno]); - datap++; - i_datap++; - dst += s->ncomponents; - } - linel += picture->linesize[0]>>1; - } - } - } - return 0; -} - -static void jpeg2000_dec_cleanup(Jpeg2000DecoderContext *s) -{ - int tileno, compno; - for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++) { - for (compno = 0; compno < s->ncomponents; compno++) { - Jpeg2000Component *comp = s->tile[tileno].comp + compno; - Jpeg2000CodingStyle *codsty = s->tile[tileno].codsty + compno; - - ff_jpeg2000_cleanup(comp, codsty); - } - av_freep(&s->tile[tileno].comp); - } - av_freep(&s->tile); -} - -static int jpeg2000_read_main_headers(Jpeg2000DecoderContext *s) -{ - Jpeg2000CodingStyle *codsty = s->codsty; - Jpeg2000QuantStyle *qntsty = s->qntsty; - uint8_t *properties = s->properties; - - for (;;) { - int len, ret = 0; - int marker; - int oldpos; - - if (bytestream2_get_bytes_left(&s->g) < 2) { - av_log(s->avctx, AV_LOG_ERROR, "Missing EOC\n"); - break; - } - - marker = bytestream2_get_be16u(&s->g); - oldpos = bytestream2_tell(&s->g); - - if (marker == JPEG2000_SOD) { - Jpeg2000Tile *tile = s->tile + s->curtileno; - Jpeg2000TilePart *tp = tile->tile_part + tile->tp_idx; - - bytestream2_init(&tp->tpg, s->g.buffer, tp->tp_end - s->g.buffer); - bytestream2_skip(&s->g, tp->tp_end - s->g.buffer); - - continue; - } - if (marker == JPEG2000_EOC) - break; - - if (bytestream2_get_bytes_left(&s->g) < 2) - return AVERROR(EINVAL); - len = bytestream2_get_be16u(&s->g); - switch (marker) { - case JPEG2000_SIZ: - ret = get_siz(s); - if (!s->tile) - s->numXtiles = s->numYtiles = 0; - break; - case JPEG2000_COC: - ret = get_coc(s, codsty, properties); - break; - case JPEG2000_COD: - ret = get_cod(s, codsty, properties); - break; - case JPEG2000_QCC: - ret = get_qcc(s, len, qntsty, properties); - break; - case JPEG2000_QCD: - ret = get_qcd(s, len, qntsty, properties); - break; - case JPEG2000_SOT: - if (!(ret = get_sot(s, len))) { - codsty = s->tile[s->curtileno].codsty; - qntsty = s->tile[s->curtileno].qntsty; - properties = s->tile[s->curtileno].properties; - } - break; - case JPEG2000_COM: - // the comment is ignored - bytestream2_skip(&s->g, len - 2); - break; - case JPEG2000_TLM: - // Tile-part lengths - ret = get_tlm(s, len); - break; - default: - av_log(s->avctx, AV_LOG_ERROR, - "unsupported marker 0x%.4X at pos 0x%X\n", - marker, bytestream2_tell(&s->g) - 4); - bytestream2_skip(&s->g, len - 2); - break; - } - if (bytestream2_tell(&s->g) - oldpos != len || ret) { - av_log(s->avctx, AV_LOG_ERROR, - "error during processing marker segment %.4x\n", marker); - return ret ? ret : -1; - } - } - return 0; -} - -/* Read bit stream packets --> T2 operation. */ -static int jpeg2000_read_bitstream_packets(Jpeg2000DecoderContext *s) -{ - int ret = 0; - int tileno; - - for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++) { - Jpeg2000Tile *tile = s->tile + tileno; - - if (ret = init_tile(s, tileno)) - return ret; - - s->g = tile->tile_part[0].tpg; - if (ret = jpeg2000_decode_packets(s, tile)) - return ret; - } - - return 0; -} - -static int jp2_find_codestream(Jpeg2000DecoderContext *s) -{ - uint32_t atom_size, atom; - int found_codestream = 0, search_range = 10; - - while (!found_codestream && search_range && bytestream2_get_bytes_left(&s->g) >= 8) { - atom_size = bytestream2_get_be32u(&s->g); - atom = bytestream2_get_be32u(&s->g); - if (atom == JP2_CODESTREAM) { - found_codestream = 1; - } else { - if (bytestream2_get_bytes_left(&s->g) < atom_size - 8) - return 0; - bytestream2_skipu(&s->g, atom_size - 8); - search_range--; - } - } - - if (found_codestream) - return 1; - return 0; -} - -static int jpeg2000_decode_frame(AVCodecContext *avctx, void *data, - int *got_frame, AVPacket *avpkt) -{ - Jpeg2000DecoderContext *s = avctx->priv_data; - ThreadFrame frame = { .f = data }; - AVFrame *picture = data; - int tileno, ret; - - s->avctx = avctx; - bytestream2_init(&s->g, avpkt->data, avpkt->size); - s->curtileno = -1; - - // reduction factor, i.e number of resolution levels to skip - s->reduction_factor = avctx->lowres; - - if (bytestream2_get_bytes_left(&s->g) < 2) { - ret = AVERROR(EINVAL); - goto err_out; - } - - // check if the image is in jp2 format - if (bytestream2_get_bytes_left(&s->g) >= 12 && - (bytestream2_get_be32u(&s->g) == 12) && - (bytestream2_get_be32u(&s->g) == JP2_SIG_TYPE) && - (bytestream2_get_be32u(&s->g) == JP2_SIG_VALUE)) { - if (!jp2_find_codestream(s)) { - av_log(avctx, AV_LOG_ERROR, "couldn't find jpeg2k codestream atom\n"); - ret = -1; - goto err_out; - } - } else { - bytestream2_seek(&s->g, 0, SEEK_SET); - } - - if (bytestream2_get_be16u(&s->g) != JPEG2000_SOC) { - av_log(avctx, AV_LOG_ERROR, "SOC marker not present\n"); - ret = -1; - goto err_out; - } - if (ret = jpeg2000_read_main_headers(s)) - goto err_out; - - /* get picture buffer */ - if ((ret = ff_thread_get_buffer(avctx, &frame, 0)) < 0) { - av_log(avctx, AV_LOG_ERROR, "ff_thread_get_buffer() failed.\n"); - goto err_out; - } - picture->pict_type = AV_PICTURE_TYPE_I; - picture->key_frame = 1; - - if (ret = jpeg2000_read_bitstream_packets(s)) - goto err_out; - - for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++) - if (ret = jpeg2000_decode_tile(s, s->tile + tileno, picture)) - goto err_out; - - jpeg2000_dec_cleanup(s); - - *got_frame = 1; - - return bytestream2_tell(&s->g); - -err_out: - jpeg2000_dec_cleanup(s); - return ret; -} - -static void jpeg2000_init_static_data(AVCodec *codec) -{ - ff_jpeg2000_init_tier1_luts(); -} - -#define OFFSET(x) offsetof(Jpeg2000DecoderContext, x) -#define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM - -static const AVOption options[] = { - { "lowres", "Lower the decoding resolution by a power of two", - OFFSET(lowres), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, JPEG2000_MAX_RESLEVELS - 1, VD }, - { NULL }, -}; - -static const AVProfile profiles[] = { - { FF_PROFILE_JPEG2000_CSTREAM_RESTRICTION_0, "JPEG 2000 codestream restriction 0" }, - { FF_PROFILE_JPEG2000_CSTREAM_RESTRICTION_1, "JPEG 2000 codestream restriction 1" }, - { FF_PROFILE_JPEG2000_CSTREAM_NO_RESTRICTION, "JPEG 2000 no codestream restrictions" }, - { FF_PROFILE_JPEG2000_DCINEMA_2K, "JPEG 2000 digital cinema 2K" }, - { FF_PROFILE_JPEG2000_DCINEMA_4K, "JPEG 2000 digital cinema 4K" }, - { FF_PROFILE_UNKNOWN }, -}; - -static const AVClass class = { - .class_name = "j2k", - .item_name = av_default_item_name, - .option = options, - .version = LIBAVUTIL_VERSION_INT, -}; - -AVCodec ff_j2k_decoder = { - .name = "j2k", - .long_name = NULL_IF_CONFIG_SMALL("JPEG 2000"), - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_JPEG2000, - .capabilities = CODEC_CAP_EXPERIMENTAL | CODEC_CAP_FRAME_THREADS, - .priv_data_size = sizeof(Jpeg2000DecoderContext), - .init_static_data = jpeg2000_init_static_data, - .decode = jpeg2000_decode_frame, - .priv_class = &class, - .max_lowres = 5, - .profiles = NULL_IF_CONFIG_SMALL(profiles) -}; diff --git a/libavcodec/j2kenc.c b/libavcodec/j2kenc.c index e75464ae36..e4c84efd1a 100644 --- a/libavcodec/j2kenc.c +++ b/libavcodec/j2kenc.c @@ -1036,8 +1036,8 @@ static int j2kenc_destroy(AVCodecContext *avctx) return 0; } -AVCodec ff_j2k_encoder = { - .name = "j2k", +AVCodec ff_jpeg2000_encoder = { + .name = "jpeg2000", .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_JPEG2000, .priv_data_size = sizeof(Jpeg2000EncoderContext), diff --git a/libavcodec/jpeg2000.c b/libavcodec/jpeg2000.c index d41ec74dac..26446cf308 100644 --- a/libavcodec/jpeg2000.c +++ b/libavcodec/jpeg2000.c @@ -492,7 +492,7 @@ void ff_jpeg2000_reinit(Jpeg2000Component *comp, Jpeg2000CodingStyle *codsty) void ff_jpeg2000_cleanup(Jpeg2000Component *comp, Jpeg2000CodingStyle *codsty) { int reslevelno, bandno, precno; - for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) { + for (reslevelno = 0; comp->reslevel && reslevelno < codsty->nreslevels; reslevelno++) { Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; for (bandno = 0; bandno < reslevel->nbands; bandno++) { diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c index c2a8d6ac43..70a5b3becf 100644 --- a/libavcodec/jpeg2000dec.c +++ b/libavcodec/jpeg2000dec.c @@ -41,9 +41,8 @@ #define HAD_QCC 0x02 typedef struct Jpeg2000TilePart { - uint16_t tp_idx; // Tile-part index uint8_t tile_index; // Tile index who refers the tile-part - uint32_t tp_len; // Length of tile-part + const uint8_t *tp_end; GetByteContext tpg; // bit stream in tile-part } Jpeg2000TilePart; @@ -55,6 +54,7 @@ typedef struct Jpeg2000Tile { Jpeg2000CodingStyle codsty[4]; Jpeg2000QuantStyle qntsty[4]; Jpeg2000TilePart tile_part[3]; + uint16_t tp_idx; // Tile-part index } Jpeg2000Tile; typedef struct Jpeg2000DecoderContext { @@ -122,6 +122,9 @@ static int tag_tree_decode(Jpeg2000DecoderContext *s, Jpeg2000TgtNode *node, Jpeg2000TgtNode *stack[30]; int sp = -1, curval = 0; + if (!node) + return AVERROR(EINVAL); + while (node && !node->vis) { stack[++sp] = node; node = node->parent; @@ -185,9 +188,12 @@ static int get_siz(Jpeg2000DecoderContext *s) uint8_t x = bytestream2_get_byteu(&s->g); s->cbps[i] = (x & 0x7f) + 1; s->precision = FFMAX(s->cbps[i], s->precision); - s->sgnd[i] = !!(x & 0x80); + s->sgnd[i] = !!(x & 0x80); s->cdx[i] = bytestream2_get_byteu(&s->g); s->cdy[i] = bytestream2_get_byteu(&s->g); + if (s->cdx[i] != 1 || s->cdy[i] != 1) { + av_log(s->avctx, AV_LOG_ERROR, "unsupported/ CDxy values\n"); + } } s->numXtiles = ff_jpeg2000_ceildiv(s->width - s->tile_offset_x, s->tile_width); @@ -277,8 +283,7 @@ static int get_cox(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *c) c->cblk_style = bytestream2_get_byteu(&s->g); if (c->cblk_style != 0) { // cblk style - av_log(s->avctx, AV_LOG_ERROR, "no extra cblk styles supported\n"); - return -1; + av_log(s->avctx, AV_LOG_WARNING, "extra cblk styles %X\n", c->cblk_style); } c->transform = bytestream2_get_byteu(&s->g); // DWT transformation type /* set integer 9/7 DWT in case of BITEXACT flag */ @@ -433,11 +438,6 @@ static int get_sot(Jpeg2000DecoderContext *s, int n) s->curtileno=0; return AVERROR(EINVAL); } - if (Isot) { - av_log(s->avctx, AV_LOG_ERROR, - "Not a DCINEMA JP2K file: more than one tile\n"); - return -1; - } Psot = bytestream2_get_be32u(&s->g); // Psot TPsot = bytestream2_get_byteu(&s->g); // TPsot @@ -449,25 +449,19 @@ static int get_sot(Jpeg2000DecoderContext *s, int n) return AVERROR_PATCHWELCOME; } + s->tile[s->curtileno].tp_idx = TPsot; tp = s->tile[s->curtileno].tile_part + TPsot; tp->tile_index = Isot; - tp->tp_len = Psot; - tp->tp_idx = TPsot; + tp->tp_end = s->g.buffer + Psot - n - 2; - /* Start of bit stream. Pointer to SOD marker - * Check SOD marker is present. */ - if (JPEG2000_SOD == bytestream2_get_be16(&s->g)) { - bytestream2_init(&tp->tpg, s->g.buffer, tp->tp_len - n - 4); - bytestream2_skip(&s->g, tp->tp_len - n - 4); - } else { - av_log(s->avctx, AV_LOG_ERROR, "SOD marker not found \n"); - return -1; + if (!TPsot) { + Jpeg2000Tile *tile = s->tile + s->curtileno; + + /* copy defaults */ + memcpy(tile->codsty, s->codsty, s->ncomponents * sizeof(Jpeg2000CodingStyle)); + memcpy(tile->qntsty, s->qntsty, s->ncomponents * sizeof(Jpeg2000QuantStyle)); } - /* End address of bit stream = - * start address + (Psot - size of SOT HEADER(n) - * - size of SOT MARKER(2) - size of SOD marker(2) */ - return 0; } @@ -523,12 +517,6 @@ static int init_tile(Jpeg2000DecoderContext *s, int tileno) if (!tile->comp) return AVERROR(ENOMEM); - /* copy codsty, qnsty to tile. TODO: Is it the best way? - * codsty, qnsty is an array of 4 structs Jpeg2000CodingStyle - * and Jpeg2000QuantStyle */ - memcpy(tile->codsty, s->codsty, s->ncomponents * sizeof(*tile->codsty)); - memcpy(tile->qntsty, s->qntsty, s->ncomponents * sizeof(*tile->qntsty)); - for (compno = 0; compno < s->ncomponents; compno++) { Jpeg2000Component *comp = tile->comp + compno; Jpeg2000CodingStyle *codsty = tile->codsty + compno; @@ -674,6 +662,7 @@ static int jpeg2000_decode_packets(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile s->bit_index = 8; switch (tile->codsty[0].prog_order) { case JPEG2000_PGOD_LRCP: + case JPEG2000_PGOD_RLCP: for (layno = 0; layno < tile->codsty[0].nlayers; layno++) { ok_reslevel = 1; for (reslevelno = 0; ok_reslevel; reslevelno++) { @@ -683,7 +672,7 @@ static int jpeg2000_decode_packets(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile Jpeg2000QuantStyle *qntsty = tile->qntsty + compno; if (reslevelno < codsty->nreslevels) { Jpeg2000ResLevel *rlevel = tile->comp[compno].reslevel + - reslevelno; + reslevelno; ok_reslevel = 1; for (precno = 0; precno < rlevel->num_precincts_x * rlevel->num_precincts_y; precno++) if (jpeg2000_decode_packet(s, @@ -758,32 +747,33 @@ static int jpeg2000_decode_packets(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile /* TIER-1 routines */ static void decode_sigpass(Jpeg2000T1Context *t1, int width, int height, - int bpno, int bandno) + int bpno, int bandno, int bpass_csty_symbol, + int vert_causal_ctx_csty_symbol) { int mask = 3 << (bpno - 1), y0, x, y; for (y0 = 0; y0 < height; y0 += 4) for (x = 0; x < width; x++) - for (y = y0; y < height && y < y0 + 4; y++) - if ((t1->flags[y + 1][x + 1] & JPEG2000_T1_SIG_NB) - && !(t1->flags[y + 1][x + 1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS))) { - if (ff_mqc_decode(&t1->mqc, - t1->mqc.cx_states + - ff_jpeg2000_getsigctxno(t1->flags[y + 1][x + 1], - bandno))) { - int xorbit, ctxno = ff_jpeg2000_getsgnctxno(t1->flags[y + 1][x + 1], - &xorbit); - - t1->data[y][x] = - (ff_mqc_decode(&t1->mqc, - t1->mqc.cx_states + ctxno) ^ xorbit) - ? -mask : mask; + for (y = y0; y < height && y < y0 + 4; y++) { + if ((t1->flags[y+1][x+1] & JPEG2000_T1_SIG_NB) + && !(t1->flags[y+1][x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS))) { + int flags_mask = -1; + if (vert_causal_ctx_csty_symbol && y == y0 + 3) + flags_mask &= ~(JPEG2000_T1_SIG_S | JPEG2000_T1_SIG_SW | JPEG2000_T1_SIG_SE); + if (ff_mqc_decode(&t1->mqc, t1->mqc.cx_states + ff_jpeg2000_getsigctxno(t1->flags[y+1][x+1] & flags_mask, bandno))) { + int xorbit, ctxno = ff_jpeg2000_getsgnctxno(t1->flags[y+1][x+1], &xorbit); + if (bpass_csty_symbol) + t1->data[y][x] = ff_mqc_decode(&t1->mqc, t1->mqc.cx_states + ctxno) ? -mask : mask; + else + t1->data[y][x] = (ff_mqc_decode(&t1->mqc, t1->mqc.cx_states + ctxno) ^ xorbit) ? + -mask : mask; ff_jpeg2000_set_significance(t1, x, y, t1->data[y][x] < 0); } t1->flags[y + 1][x + 1] |= JPEG2000_T1_VIS; } + } } static void decode_refpass(Jpeg2000T1Context *t1, int width, int height, @@ -810,11 +800,11 @@ static void decode_refpass(Jpeg2000T1Context *t1, int width, int height, static void decode_clnpass(Jpeg2000DecoderContext *s, Jpeg2000T1Context *t1, int width, int height, int bpno, int bandno, - int seg_symbols) + int seg_symbols, int vert_causal_ctx_csty_symbol) { int mask = 3 << (bpno - 1), y0, x, y, runlen, dec; - for (y0 = 0; y0 < height; y0 += 4) + for (y0 = 0; y0 < height; y0 += 4) { for (x = 0; x < width; x++) { if (y0 + 3 < height && !((t1->flags[y0 + 1][x + 1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) || @@ -836,11 +826,13 @@ static void decode_clnpass(Jpeg2000DecoderContext *s, Jpeg2000T1Context *t1, for (y = y0 + runlen; y < y0 + 4 && y < height; y++) { if (!dec) { - if (!(t1->flags[y + 1][x + 1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS))) - dec = ff_mqc_decode(&t1->mqc, - t1->mqc.cx_states + - ff_jpeg2000_getsigctxno(t1->flags[y + 1][x + 1], - bandno)); + if (!(t1->flags[y+1][x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS))) { + int flags_mask = -1; + if (vert_causal_ctx_csty_symbol && y == y0 + 3) + flags_mask &= ~(JPEG2000_T1_SIG_S | JPEG2000_T1_SIG_SW | JPEG2000_T1_SIG_SE); + dec = ff_mqc_decode(&t1->mqc, t1->mqc.cx_states + ff_jpeg2000_getsigctxno(t1->flags[y+1][x+1] & flags_mask, + bandno)); + } } if (dec) { int xorbit; @@ -856,6 +848,7 @@ static void decode_clnpass(Jpeg2000DecoderContext *s, Jpeg2000T1Context *t1, t1->flags[y + 1][x + 1] &= ~JPEG2000_T1_VIS; } } + } if (seg_symbols) { int val; val = ff_mqc_decode(&t1->mqc, t1->mqc.cx_states + MQC_CX_UNI); @@ -872,7 +865,9 @@ static int decode_cblk(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *codsty, Jpeg2000T1Context *t1, Jpeg2000Cblk *cblk, int width, int height, int bandpos) { - int passno = cblk->npasses, pass_t = 2, bpno = cblk->nonzerobits - 1, y; + int passno = cblk->npasses, pass_t = 2, bpno = cblk->nonzerobits - 1, y, clnpass_cnt = 0; + int bpass_csty_symbol = JPEG2000_CBLK_BYPASS & codsty->cblk_style; + int vert_causal_ctx_csty_symbol = JPEG2000_CBLK_VSC & codsty->cblk_style; for (y = 0; y < height; y++) memset(t1->data[y], 0, width * sizeof(**t1->data)); @@ -880,24 +875,31 @@ static int decode_cblk(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *codsty, /* If code-block contains no compressed data: nothing to do. */ if (!cblk->length) return 0; - for (y = 0; y < height + 2; y++) - memset(t1->flags[y], 0, (width + 2) * sizeof(**t1->flags)); - cblk->data[cblk->length] = 0xff; - cblk->data[cblk->length + 1] = 0xff; + for (y = 0; y < height+2; y++) + memset(t1->flags[y], 0, (width + 2)*sizeof(**t1->flags)); + + cblk->data[cblk->length] = 0xff; + cblk->data[cblk->length+1] = 0xff; ff_mqc_initdec(&t1->mqc, cblk->data); while (passno--) { - switch (pass_t) { + switch(pass_t) { case 0: - decode_sigpass(t1, width, height, bpno + 1, bandpos); + decode_sigpass(t1, width, height, bpno + 1, bandpos, + bpass_csty_symbol && (clnpass_cnt >= 4), vert_causal_ctx_csty_symbol); break; case 1: decode_refpass(t1, width, height, bpno + 1); + if (bpass_csty_symbol && clnpass_cnt >= 4) + ff_mqc_initdec(&t1->mqc, cblk->data); break; case 2: decode_clnpass(s, t1, width, height, bpno + 1, bandpos, - codsty->cblk_style & JPEG2000_CBLK_SEGSYM); + codsty->cblk_style & JPEG2000_CBLK_SEGSYM, vert_causal_ctx_csty_symbol); + clnpass_cnt = clnpass_cnt + 1; + if (bpass_csty_symbol && clnpass_cnt >= 4) + ff_mqc_initdec(&t1->mqc, cblk->data); break; } @@ -1033,8 +1035,12 @@ static int jpeg2000_decode_tile(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile, int nb_precincts, precno; Jpeg2000Band *band = rlevel->band + bandno; int cblkno = 0, bandpos; + bandpos = bandno + (reslevelno > 0); + if (band->coord[0][0] == band->coord[0][1] || band->coord[1][0] == band->coord[1][1]) + continue; + nb_precincts = rlevel->num_precincts_x * rlevel->num_precincts_y; /* Loop on precincts */ for (precno = 0; precno < nb_precincts; precno++) { @@ -1114,8 +1120,8 @@ static int jpeg2000_decode_tile(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile, x = tile->comp[compno].coord[0][0] - s->image_offset_x; dst = linel + (x * s->ncomponents + compno); - for (; x < s->avctx->width; x += s->cdx[compno]) { - int val; + for (; x < tile->comp[compno].coord[0][1] - s->image_offset_x; x += s-> cdx[compno]) { + int val; /* DC level shift and clip see ISO 15444-1:2002 G.1.2 */ if (tile->codsty->transform == FF_DWT97) val = lrintf(*datap) + (1 << (s->cbps[compno] - 1)); @@ -1169,6 +1175,15 @@ static int jpeg2000_read_main_headers(Jpeg2000DecoderContext *s) marker = bytestream2_get_be16u(&s->g); oldpos = bytestream2_tell(&s->g); + if (marker == JPEG2000_SOD) { + Jpeg2000Tile *tile = s->tile + s->curtileno; + Jpeg2000TilePart *tp = tile->tile_part + tile->tp_idx; + + bytestream2_init(&tp->tpg, s->g.buffer, tp->tp_end - s->g.buffer); + bytestream2_skip(&s->g, tp->tp_end - s->g.buffer); + + continue; + } if (marker == JPEG2000_EOC) break; @@ -1194,7 +1209,11 @@ static int jpeg2000_read_main_headers(Jpeg2000DecoderContext *s) ret = get_qcd(s, len, qntsty, properties); break; case JPEG2000_SOT: - ret = get_sot(s, len); + if (!(ret = get_sot(s, len))) { + codsty = s->tile[s->curtileno].codsty; + qntsty = s->tile[s->curtileno].qntsty; + properties = s->tile[s->curtileno].properties; + } break; case JPEG2000_COM: // the comment is ignored @@ -1211,7 +1230,7 @@ static int jpeg2000_read_main_headers(Jpeg2000DecoderContext *s) bytestream2_skip(&s->g, len - 2); break; } - if (((bytestream2_tell(&s->g) - oldpos != len) && (marker != JPEG2000_SOT)) || ret) { + if (bytestream2_tell(&s->g) - oldpos != len || ret) { av_log(s->avctx, AV_LOG_ERROR, "error during processing marker segment %.4x\n", marker); return ret ? ret : -1; @@ -1224,12 +1243,18 @@ static int jpeg2000_read_main_headers(Jpeg2000DecoderContext *s) static int jpeg2000_read_bitstream_packets(Jpeg2000DecoderContext *s) { int ret = 0; - Jpeg2000Tile *tile = s->tile + s->curtileno; + int tileno; - if (ret = init_tile(s, s->curtileno)) - return ret; - if (ret = jpeg2000_decode_packets(s, tile)) - return ret; + for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++) { + Jpeg2000Tile *tile = s->tile + tileno; + + if (ret = init_tile(s, tileno)) + return ret; + + s->g = tile->tile_part[0].tpg; + if (ret = jpeg2000_decode_packets(s, tile)) + return ret; + } return 0; } @@ -1267,13 +1292,15 @@ static int jpeg2000_decode_frame(AVCodecContext *avctx, void *data, s->avctx = avctx; bytestream2_init(&s->g, avpkt->data, avpkt->size); - s->curtileno = 0; // TODO: only one tile in DCI JP2K. to implement for more tiles + s->curtileno = -1; // reduction factor, i.e number of resolution levels to skip s->reduction_factor = s->lowres; - if (bytestream2_get_bytes_left(&s->g) < 2) - return AVERROR(EINVAL); + if (bytestream2_get_bytes_left(&s->g) < 2) { + ret = AVERROR(EINVAL); + goto end; + } // check if the image is in jp2 format if (bytestream2_get_bytes_left(&s->g) >= 12 && @@ -1283,17 +1310,17 @@ static int jpeg2000_decode_frame(AVCodecContext *avctx, void *data, if (!jp2_find_codestream(s)) { av_log(avctx, AV_LOG_ERROR, "couldn't find jpeg2k codestream atom\n"); - return -1; + ret = -1; + goto end; } } else { bytestream2_seek(&s->g, 0, SEEK_SET); - if (bytestream2_peek_be16(&s->g) != JPEG2000_SOC /*&& AV_RB32(s->buf + 4) == JP2_CODESTREAM*/) - bytestream2_skip(&s->g, 8); } if (bytestream2_get_be16u(&s->g) != JPEG2000_SOC) { av_log(avctx, AV_LOG_ERROR, "SOC marker not present\n"); - return -1; + ret = -1; + goto end; } if (ret = jpeg2000_read_main_headers(s)) goto end; @@ -1308,9 +1335,11 @@ static int jpeg2000_decode_frame(AVCodecContext *avctx, void *data, if (ret = jpeg2000_read_bitstream_packets(s)) goto end; + for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++) if (ret = jpeg2000_decode_tile(s, s->tile + tileno, picture)) goto end; + jpeg2000_dec_cleanup(s); *got_frame = 1; @@ -1361,9 +1390,6 @@ AVCodec ff_jpeg2000_decoder = { .init_static_data = jpeg2000_init_static_data, .decode = jpeg2000_decode_frame, .priv_class = &class, - .pix_fmts = (enum AVPixelFormat[]) { AV_PIX_FMT_XYZ12, - AV_PIX_FMT_GRAY8, - -1 }, .max_lowres = 5, .profiles = NULL_IF_CONFIG_SMALL(profiles) }; diff --git a/tests/fate/vcodec.mak b/tests/fate/vcodec.mak index 167d97ce24..7aed08961b 100644 --- a/tests/fate/vcodec.mak +++ b/tests/fate/vcodec.mak @@ -89,11 +89,11 @@ FATE_VCODEC-$(call ENCDEC, JPEGLS, AVI) += jpegls fate-vsynth%-jpegls: ENCOPTS = -sws_flags neighbor+full_chroma_int fate-vsynth%-jpegls: DECOPTS = -sws_flags area -FATE_VCODEC-$(call ENCDEC, J2K, AVI) += j2k j2k-97 -fate-vsynth%-j2k: ENCOPTS = -qscale 7 -strict experimental -pred 1 -pix_fmt rgb24 -fate-vsynth%-j2k: DECINOPTS = -vcodec j2k -strict experimental -fate-vsynth%-j2k-97: ENCOPTS = -qscale 7 -strict experimental -pix_fmt rgb24 -fate-vsynth%-j2k-97: DECINOPTS = -vcodec j2k -strict experimental +FATE_VCODEC-$(call ENCDEC, JPEG2000, AVI) += jpeg2000 jpeg2000-97 +fate-vsynth%-jpeg2000: ENCOPTS = -qscale 7 -strict experimental -pred 1 -pix_fmt rgb24 +fate-vsynth%-jpeg2000: DECINOPTS = -vcodec jpeg2000 +fate-vsynth%-jpeg2000-97: ENCOPTS = -qscale 7 -strict experimental -pix_fmt rgb24 +fate-vsynth%-jpeg2000-97: DECINOPTS = -vcodec jpeg2000 FATE_VCODEC-$(call ENCDEC, LJPEG MJPEG, AVI) += ljpeg fate-vsynth%-ljpeg: ENCOPTS = -strict -1 diff --git a/tests/ref/vsynth/vsynth1-j2k b/tests/ref/vsynth/vsynth1-j2k deleted file mode 100644 index 726d452568..0000000000 --- a/tests/ref/vsynth/vsynth1-j2k +++ /dev/null @@ -1,4 +0,0 @@ -e6e3d338eeb394d6fadc7bbb55fa9e6e *tests/data/fate/vsynth1-j2k.avi -2306902 tests/data/fate/vsynth1-j2k.avi -1774b621bd92a53a24712cb77e9f0b28 *tests/data/fate/vsynth1-j2k.out.rawvideo -stddev: 5.37 PSNR: 33.52 MAXDIFF: 63 bytes: 7603200/ 7603200 diff --git a/tests/ref/vsynth/vsynth1-j2k-97 b/tests/ref/vsynth/vsynth1-j2k-97 deleted file mode 100644 index 1cc197a6f0..0000000000 --- a/tests/ref/vsynth/vsynth1-j2k-97 +++ /dev/null @@ -1,4 +0,0 @@ -c135eb14e9f219242180270c2a242634 *tests/data/fate/vsynth1-j2k-97.avi -2243132 tests/data/fate/vsynth1-j2k-97.avi -30a9c13e18fe4acaf28062b5003bb671 *tests/data/fate/vsynth1-j2k-97.out.rawvideo -stddev: 6.41 PSNR: 31.99 MAXDIFF: 75 bytes: 7603200/ 7603200 diff --git a/tests/ref/vsynth/vsynth1-jpeg2000 b/tests/ref/vsynth/vsynth1-jpeg2000 new file mode 100644 index 0000000000..cf53feb2ef --- /dev/null +++ b/tests/ref/vsynth/vsynth1-jpeg2000 @@ -0,0 +1,4 @@ +e6e3d338eeb394d6fadc7bbb55fa9e6e *tests/data/fate/vsynth1-jpeg2000.avi +2306902 tests/data/fate/vsynth1-jpeg2000.avi +1774b621bd92a53a24712cb77e9f0b28 *tests/data/fate/vsynth1-jpeg2000.out.rawvideo +stddev: 5.37 PSNR: 33.52 MAXDIFF: 63 bytes: 7603200/ 7603200 diff --git a/tests/ref/vsynth/vsynth1-jpeg2000-97 b/tests/ref/vsynth/vsynth1-jpeg2000-97 new file mode 100644 index 0000000000..f219406201 --- /dev/null +++ b/tests/ref/vsynth/vsynth1-jpeg2000-97 @@ -0,0 +1,4 @@ +c135eb14e9f219242180270c2a242634 *tests/data/fate/vsynth1-jpeg2000-97.avi +2243132 tests/data/fate/vsynth1-jpeg2000-97.avi +30a9c13e18fe4acaf28062b5003bb671 *tests/data/fate/vsynth1-jpeg2000-97.out.rawvideo +stddev: 6.41 PSNR: 31.99 MAXDIFF: 75 bytes: 7603200/ 7603200 diff --git a/tests/ref/vsynth/vsynth2-j2k b/tests/ref/vsynth/vsynth2-j2k deleted file mode 100644 index 1120b902d3..0000000000 --- a/tests/ref/vsynth/vsynth2-j2k +++ /dev/null @@ -1,4 +0,0 @@ -fc49816ba28731689872f5c87ca91c10 *tests/data/fate/vsynth2-j2k.avi -1151144 tests/data/fate/vsynth2-j2k.avi -e7d79c9e11d0fe97f03e38be66c34e4f *tests/data/fate/vsynth2-j2k.out.rawvideo -stddev: 4.41 PSNR: 35.23 MAXDIFF: 63 bytes: 7603200/ 7603200 diff --git a/tests/ref/vsynth/vsynth2-j2k-97 b/tests/ref/vsynth/vsynth2-j2k-97 deleted file mode 100644 index 5232802f7f..0000000000 --- a/tests/ref/vsynth/vsynth2-j2k-97 +++ /dev/null @@ -1,4 +0,0 @@ -3ac3e49a89136bddde9e44bac3e5b4ed *tests/data/fate/vsynth2-j2k-97.avi -1118952 tests/data/fate/vsynth2-j2k-97.avi -9d69ac6d46152ed2d6dd6a90d5793c80 *tests/data/fate/vsynth2-j2k-97.out.rawvideo -stddev: 5.32 PSNR: 33.61 MAXDIFF: 60 bytes: 7603200/ 7603200 diff --git a/tests/ref/vsynth/vsynth2-jpeg2000 b/tests/ref/vsynth/vsynth2-jpeg2000 new file mode 100644 index 0000000000..cacd467fb5 --- /dev/null +++ b/tests/ref/vsynth/vsynth2-jpeg2000 @@ -0,0 +1,4 @@ +fc49816ba28731689872f5c87ca91c10 *tests/data/fate/vsynth2-jpeg2000.avi +1151144 tests/data/fate/vsynth2-jpeg2000.avi +e7d79c9e11d0fe97f03e38be66c34e4f *tests/data/fate/vsynth2-jpeg2000.out.rawvideo +stddev: 4.41 PSNR: 35.23 MAXDIFF: 63 bytes: 7603200/ 7603200 diff --git a/tests/ref/vsynth/vsynth2-jpeg2000-97 b/tests/ref/vsynth/vsynth2-jpeg2000-97 new file mode 100644 index 0000000000..001e840561 --- /dev/null +++ b/tests/ref/vsynth/vsynth2-jpeg2000-97 @@ -0,0 +1,4 @@ +3ac3e49a89136bddde9e44bac3e5b4ed *tests/data/fate/vsynth2-jpeg2000-97.avi +1118952 tests/data/fate/vsynth2-jpeg2000-97.avi +9d69ac6d46152ed2d6dd6a90d5793c80 *tests/data/fate/vsynth2-jpeg2000-97.out.rawvideo +stddev: 5.32 PSNR: 33.61 MAXDIFF: 60 bytes: 7603200/ 7603200