diff options
author | Gautam Ramakrishnan <gautamramk@gmail.com> | 2020-08-27 21:45:35 +0300 |
---|---|---|
committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-08-30 17:18:37 +0300 |
commit | f0e33119e4fa1cf1705c16affa5daa6f0b487b48 (patch) | |
tree | a838ae94bbb6da351e1b498140ff083de98c3526 | |
parent | 3c06045a8b584a8d569547c2f4d108588cce6a37 (diff) |
libavcodec/j2kenc: Support for multiple layers
This patch allows setting a compression ratio and to
set multiple layers. The user has to input a compression
ratio for each layer.
The per layer compression ration can be set as follows:
-layer_rates "r1,r2,...rn"
for to create 'n' layers.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r-- | doc/encoders.texi | 16 | ||||
-rw-r--r-- | libavcodec/j2kenc.c | 472 | ||||
-rw-r--r-- | libavcodec/jpeg2000.c | 12 | ||||
-rw-r--r-- | libavcodec/jpeg2000.h | 10 | ||||
-rw-r--r-- | libavcodec/version.h | 2 | ||||
-rw-r--r-- | tests/ref/vsynth/vsynth1-jpeg2000 | 8 | ||||
-rw-r--r-- | tests/ref/vsynth/vsynth1-jpeg2000-97 | 6 | ||||
-rw-r--r-- | tests/ref/vsynth/vsynth2-jpeg2000 | 8 | ||||
-rw-r--r-- | tests/ref/vsynth/vsynth2-jpeg2000-97 | 8 | ||||
-rw-r--r-- | tests/ref/vsynth/vsynth3-jpeg2000 | 8 | ||||
-rw-r--r-- | tests/ref/vsynth/vsynth3-jpeg2000-97 | 8 | ||||
-rw-r--r-- | tests/ref/vsynth/vsynth_lena-jpeg2000 | 8 | ||||
-rw-r--r-- | tests/ref/vsynth/vsynth_lena-jpeg2000-97 | 8 |
13 files changed, 471 insertions, 103 deletions
diff --git a/doc/encoders.texi b/doc/encoders.texi index fd9235a05a..69bf742c2d 100644 --- a/doc/encoders.texi +++ b/doc/encoders.texi @@ -1401,6 +1401,22 @@ Possible values are: @end table Set to @code{lrcp} by default. +@item layer_rates @var{string} +By default, when this option is not used, compression is done using the quality metric. +This option allows for compression using compression ratio. The compression ratio for each +level could be specified. The compression ratio of a layer @code{l} species the what ratio of +total file size is contained in the first @code{l} layers. + +Example usage: + +@example +ffmpeg -i input.bmp -c:v jpeg2000 -layer_rates "100,10,1" output.j2k +@end example + +This would compress the image to contain 3 layers, where the data contained in the +first layer would be compressed by 1000 times, compressed by 100 in the first two layers, +and shall contain all data while using all 3 layers. + @end table @section librav1e diff --git a/libavcodec/j2kenc.c b/libavcodec/j2kenc.c index 87acd2d5c9..8b9f6464af 100644 --- a/libavcodec/j2kenc.c +++ b/libavcodec/j2kenc.c @@ -32,6 +32,7 @@ * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe * Copyright (c) 2005, Herve Drolon, FreeImage Team * Copyright (c) 2007, Callum Lerwick <seg@haxxed.com> + * Copyright (c) 2020, Gautam Ramakrishnan <gautamramk@gmail.com> * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -72,6 +73,7 @@ #include "libavutil/pixdesc.h" #include "libavutil/opt.h" #include "libavutil/intreadwrite.h" +#include "libavutil/avstring.h" #define NMSEDEC_BITS 7 #define NMSEDEC_FRACBITS (NMSEDEC_BITS-1) @@ -100,6 +102,7 @@ static const int dwt_norms[2][4][10] = { // [dwt_type][band][rlevel] (multiplied typedef struct { Jpeg2000Component *comp; + double *layer_rates; } Jpeg2000Tile; typedef struct { @@ -126,12 +129,16 @@ typedef struct { Jpeg2000QuantStyle qntsty; Jpeg2000Tile *tile; + int layer_rates[100]; + uint8_t compression_rate_enc; ///< Is compression done using compression ratio? int format; int pred; int sop; int eph; int prog; + int nlayers; + char *lr_str; } Jpeg2000EncoderContext; @@ -334,7 +341,7 @@ static int put_cod(Jpeg2000EncoderContext *s) bytestream_put_byte(&s->buf, scod); // Scod // SGcod bytestream_put_byte(&s->buf, s->prog); // progression level - bytestream_put_be16(&s->buf, 1); // num of layers + bytestream_put_be16(&s->buf, s->nlayers); // num of layers if(s->avctx->pix_fmt == AV_PIX_FMT_YUV444P){ bytestream_put_byte(&s->buf, 0); // unspecified }else{ @@ -413,6 +420,31 @@ static uint8_t *put_sot(Jpeg2000EncoderContext *s, int tileno) return psotptr; } +static void compute_rates(Jpeg2000EncoderContext* s) +{ + int i, j; + int layno, compno; + for (i = 0; i < s->numYtiles; i++) { + for (j = 0; j < s->numXtiles; j++) { + Jpeg2000Tile *tile = &s->tile[s->numXtiles * i + j]; + for (compno = 0; compno < s->ncomponents; compno++) { + int tilew = tile->comp[compno].coord[0][1] - tile->comp[compno].coord[0][0]; + int tileh = tile->comp[compno].coord[1][1] - tile->comp[compno].coord[1][0]; + int scale = (compno?1 << s->chroma_shift[0]:1) * (compno?1 << s->chroma_shift[1]:1); + for (layno = 0; layno < s->nlayers; layno++) { + if (s->layer_rates[layno] > 0) { + tile->layer_rates[layno] += (double)(tilew * tileh) * s->ncomponents * s->cbps[compno] / + (double)(s->layer_rates[layno] * 8 * scale); + } else { + tile->layer_rates[layno] = 0.0; + } + } + } + } + } + +} + /** * compute the sizes of tiles, resolution levels, bands, etc. * allocate memory for them @@ -437,6 +469,11 @@ static int init_tiles(Jpeg2000EncoderContext *s) tile->comp = av_mallocz_array(s->ncomponents, sizeof(Jpeg2000Component)); if (!tile->comp) return AVERROR(ENOMEM); + + tile->layer_rates = av_mallocz_array(s->nlayers, sizeof(*tile->layer_rates)); + if (!tile->layer_rates) + return AVERROR(ENOMEM); + for (compno = 0; compno < s->ncomponents; compno++){ Jpeg2000Component *comp = tile->comp + compno; int ret, i, j; @@ -461,6 +498,7 @@ static int init_tiles(Jpeg2000EncoderContext *s) return ret; } } + compute_rates(s); return 0; } @@ -703,6 +741,8 @@ static void encode_cblk(Jpeg2000EncoderContext *s, Jpeg2000T1Context *t1, Jpeg20 } cblk->passes[passno].rate = ff_mqc_flush_to(&t1->mqc, cblk->passes[passno].flushed, &cblk->passes[passno].flushed_len); + cblk->passes[passno].rate -= cblk->passes[passno].flushed_len; + wmsedec += (int64_t)nmsedec << (2*bpno); cblk->passes[passno].disto = wmsedec; @@ -714,8 +754,10 @@ static void encode_cblk(Jpeg2000EncoderContext *s, Jpeg2000T1Context *t1, Jpeg20 cblk->npasses = passno; cblk->ninclpasses = passno; - if (passno) + if (passno) { cblk->passes[passno-1].rate = ff_mqc_flush_to(&t1->mqc, cblk->passes[passno-1].flushed, &cblk->passes[passno-1].flushed_len); + cblk->passes[passno-1].rate -= cblk->passes[passno-1].flushed_len; + } } /* tier-2 routines: */ @@ -735,10 +777,12 @@ static void putnumpasses(Jpeg2000EncoderContext *s, int n) } -static int encode_packet(Jpeg2000EncoderContext *s, Jpeg2000ResLevel *rlevel, int precno, - uint8_t *expn, int numgbits, int packetno) +static int encode_packet(Jpeg2000EncoderContext *s, Jpeg2000ResLevel *rlevel, int layno, + int precno, uint8_t *expn, int numgbits, int packetno, + int nlayers) { int bandno, empty = 1; + int i; // init bitstream *s->buf = 0; s->bit_index = 0; @@ -750,22 +794,65 @@ static int encode_packet(Jpeg2000EncoderContext *s, Jpeg2000ResLevel *rlevel, in } // header + if (!layno) { + for (bandno = 0; bandno < rlevel->nbands; bandno++) { + Jpeg2000Band *band = rlevel->band + bandno; + if (band->coord[0][0] < band->coord[0][1] + && band->coord[1][0] < band->coord[1][1]) { + Jpeg2000Prec *prec = band->prec + precno; + int nb_cblks = prec->nb_codeblocks_height * prec->nb_codeblocks_width; + int pos; + ff_tag_tree_zero(prec->zerobits, prec->nb_codeblocks_width, prec->nb_codeblocks_height); + ff_tag_tree_zero(prec->cblkincl, prec->nb_codeblocks_width, prec->nb_codeblocks_height); + for (pos = 0; pos < nb_cblks; pos++) { + Jpeg2000Cblk *cblk = &prec->cblk[pos]; + prec->zerobits[pos].val = expn[bandno] + numgbits - 1 - cblk->nonzerobits; + cblk->incl = 0; + cblk->lblock = 3; + tag_tree_update(prec->zerobits + pos); + for (i = 0; i < nlayers; i++) { + if (cblk->layers[i].npasses > 0) { + prec->cblkincl[pos].val = i; + break; + } + } + if (i == nlayers) + prec->cblkincl[pos].val = i; + tag_tree_update(prec->cblkincl + pos); + } + } + } + } + // is the packet empty? for (bandno = 0; bandno < rlevel->nbands; bandno++){ - if (rlevel->band[bandno].coord[0][0] < rlevel->band[bandno].coord[0][1] - && rlevel->band[bandno].coord[1][0] < rlevel->band[bandno].coord[1][1]){ - empty = 0; - break; + Jpeg2000Band *band = rlevel->band + bandno; + if (band->coord[0][0] < band->coord[0][1] + && band->coord[1][0] < band->coord[1][1]) { + Jpeg2000Prec *prec = band->prec + precno; + int nb_cblks = prec->nb_codeblocks_height * prec->nb_codeblocks_width; + int pos; + for (pos = 0; pos < nb_cblks; pos++) { + Jpeg2000Cblk *cblk = &prec->cblk[pos]; + if (cblk->layers[layno].npasses) { + empty = 0; + break; + } + } + if (!empty) + break; } } put_bits(s, !empty, 1); if (empty){ j2k_flush(s); + if (s->eph) + bytestream_put_be16(&s->buf, JPEG2000_EPH); return 0; } - for (bandno = 0; bandno < rlevel->nbands; bandno++){ + for (bandno = 0; bandno < rlevel->nbands; bandno++) { Jpeg2000Band *band = rlevel->band + bandno; Jpeg2000Prec *prec = band->prec + precno; int yi, xi, pos; @@ -775,42 +862,46 @@ static int encode_packet(Jpeg2000EncoderContext *s, Jpeg2000ResLevel *rlevel, in || band->coord[1][0] == band->coord[1][1]) continue; - for (pos=0, yi = 0; yi < prec->nb_codeblocks_height; yi++){ + for (pos=0, yi = 0; yi < prec->nb_codeblocks_height; yi++) { for (xi = 0; xi < cblknw; xi++, pos++){ - prec->cblkincl[pos].val = prec->cblk[yi * cblknw + xi].ninclpasses == 0; - tag_tree_update(prec->cblkincl + pos); - prec->zerobits[pos].val = expn[bandno] + numgbits - 1 - prec->cblk[yi * cblknw + xi].nonzerobits; - tag_tree_update(prec->zerobits + pos); - } - } - - for (pos=0, yi = 0; yi < prec->nb_codeblocks_height; yi++){ - for (xi = 0; xi < cblknw; xi++, pos++){ - int pad = 0, llen, length; + int llen = 0, length; Jpeg2000Cblk *cblk = prec->cblk + yi * cblknw + xi; if (s->buf_end - s->buf < 20) // approximately return -1; // inclusion information - tag_tree_code(s, prec->cblkincl + pos, 1); - if (!cblk->ninclpasses) + if (!cblk->incl) + tag_tree_code(s, prec->cblkincl + pos, layno + 1); + else { + put_bits(s, cblk->layers[layno].npasses > 0, 1); + } + + if (!cblk->layers[layno].npasses) continue; + // zerobits information - tag_tree_code(s, prec->zerobits + pos, 100); + if (!cblk->incl) { + tag_tree_code(s, prec->zerobits + pos, 100); + cblk->incl = 1; + } + // number of passes - putnumpasses(s, cblk->ninclpasses); + putnumpasses(s, cblk->layers[layno].npasses); - length = cblk->passes[cblk->ninclpasses-1].rate; - llen = av_log2(length) - av_log2(cblk->ninclpasses) - 2; - if (llen < 0){ - pad = -llen; - llen = 0; + length = cblk->layers[layno].data_len; + if (layno == nlayers - 1 && cblk->layers[layno].cum_passes){ + length += cblk->passes[cblk->layers[layno].cum_passes-1].flushed_len; } + if (cblk->lblock + av_log2(cblk->layers[layno].npasses) < av_log2(length) + 1) { + llen = av_log2(length) + 1 - cblk->lblock - av_log2(cblk->layers[layno].npasses); + } + // length of code block + cblk->lblock += llen; put_bits(s, 1, llen); put_bits(s, 0, 1); - put_num(s, length, av_log2(length)+1+pad); + put_num(s, length, cblk->lblock + av_log2(cblk->layers[layno].npasses)); } } } @@ -819,21 +910,22 @@ static int encode_packet(Jpeg2000EncoderContext *s, Jpeg2000ResLevel *rlevel, in bytestream_put_be16(&s->buf, JPEG2000_EPH); } - for (bandno = 0; bandno < rlevel->nbands; bandno++){ + for (bandno = 0; bandno < rlevel->nbands; bandno++) { Jpeg2000Band *band = rlevel->band + bandno; Jpeg2000Prec *prec = band->prec + precno; int yi, cblknw = prec->nb_codeblocks_width; - for (yi =0; yi < prec->nb_codeblocks_height; yi++){ + for (yi =0; yi < prec->nb_codeblocks_height; yi++) { int xi; for (xi = 0; xi < cblknw; xi++){ Jpeg2000Cblk *cblk = prec->cblk + yi * cblknw + xi; - if (cblk->ninclpasses){ - if (s->buf_end - s->buf < cblk->passes[cblk->ninclpasses-1].rate) + if (cblk->layers[layno].npasses) { + if (s->buf_end - s->buf < cblk->layers[layno].data_len + 2) return -1; - bytestream_put_buffer(&s->buf, cblk->data + 1, cblk->passes[cblk->ninclpasses-1].rate - - cblk->passes[cblk->ninclpasses-1].flushed_len); - bytestream_put_buffer(&s->buf, cblk->passes[cblk->ninclpasses-1].flushed, - cblk->passes[cblk->ninclpasses-1].flushed_len); + bytestream_put_buffer(&s->buf, cblk->layers[layno].data_start + 1, cblk->layers[layno].data_len); + if (layno == nlayers - 1 && cblk->layers[layno].cum_passes) { + bytestream_put_buffer(&s->buf, cblk->passes[cblk->layers[layno].cum_passes-1].flushed, + cblk->passes[cblk->layers[layno].cum_passes-1].flushed_len); + } } } } @@ -841,9 +933,9 @@ static int encode_packet(Jpeg2000EncoderContext *s, Jpeg2000ResLevel *rlevel, in return 0; } -static int encode_packets(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int tileno) +static int encode_packets(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int tileno, int nlayers) { - int compno, reslevelno, ret; + int compno, reslevelno, layno, ret; Jpeg2000CodingStyle *codsty = &s->codsty; Jpeg2000QuantStyle *qntsty = &s->qntsty; int packetno = 0; @@ -862,27 +954,31 @@ static int encode_packets(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int til // lay-rlevel-comp-pos progression switch (s->prog) { case JPEG2000_PGOD_LRCP: - for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){ - for (compno = 0; compno < s->ncomponents; compno++){ - int precno; - Jpeg2000ResLevel *reslevel = s->tile[tileno].comp[compno].reslevel + reslevelno; - for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ - if ((ret = encode_packet(s, reslevel, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), - qntsty->nguardbits, packetno++)) < 0) - return ret; + for (layno = 0; layno < nlayers; layno++) { + for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){ + for (compno = 0; compno < s->ncomponents; compno++){ + int precno; + Jpeg2000ResLevel *reslevel = s->tile[tileno].comp[compno].reslevel + reslevelno; + for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ + if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), + qntsty->nguardbits, packetno++, nlayers)) < 0) + return ret; + } } } } break; case JPEG2000_PGOD_RLCP: for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){ - for (compno = 0; compno < s->ncomponents; compno++){ - int precno; - Jpeg2000ResLevel *reslevel = s->tile[tileno].comp[compno].reslevel + reslevelno; - for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ - if ((ret = encode_packet(s, reslevel, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), - qntsty->nguardbits, packetno++)) < 0) - return ret; + for (layno = 0; layno < nlayers; layno++) { + for (compno = 0; compno < s->ncomponents; compno++){ + int precno; + Jpeg2000ResLevel *reslevel = s->tile[tileno].comp[compno].reslevel + reslevelno; + for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ + if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), + qntsty->nguardbits, packetno++, nlayers)) < 0) + return ret; + } } } } @@ -937,10 +1033,11 @@ static int encode_packets(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int til prcx, prcy, reslevel->num_precincts_x, reslevel->num_precincts_y); continue; } - - if ((ret = encode_packet(s, reslevel, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), - qntsty->nguardbits, packetno++)) < 0) - return ret; + for (layno = 0; layno < nlayers; layno++) { + if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), + qntsty->nguardbits, packetno++, nlayers)) < 0) + return ret; + } } } } @@ -1003,9 +1100,11 @@ static int encode_packets(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int til prcx, prcy, reslevel->num_precincts_x, reslevel->num_precincts_y); continue; } - if ((ret = encode_packet(s, reslevel, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), - qntsty->nguardbits, packetno++)) < 0) - return ret; + for (layno = 0; layno < nlayers; layno++) { + if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), + qntsty->nguardbits, packetno++, nlayers)) < 0) + return ret; + } } } } @@ -1064,9 +1163,11 @@ static int encode_packets(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int til prcx, prcy, reslevel->num_precincts_x, reslevel->num_precincts_y); continue; } - if ((ret = encode_packet(s, reslevel, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), - qntsty->nguardbits, packetno++)) < 0) - return ret; + for (layno = 0; layno < nlayers; layno++) { + if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), + qntsty->nguardbits, packetno++, nlayers)) < 0) + return ret; + } } } } @@ -1078,6 +1179,174 @@ static int encode_packets(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int til return 0; } +static void makelayer(Jpeg2000EncoderContext *s, int layno, double thresh, Jpeg2000Tile* tile, int final) +{ + int compno, resno, bandno, precno, cblkno; + int passno; + + for (compno = 0; compno < s->ncomponents; compno++) { + Jpeg2000Component *comp = &tile->comp[compno]; + + for (resno = 0; resno < s->codsty.nreslevels; resno++) { + Jpeg2000ResLevel *reslevel = comp->reslevel + resno; + + for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ + for (bandno = 0; bandno < reslevel->nbands ; bandno++){ + Jpeg2000Band *band = reslevel->band + bandno; + Jpeg2000Prec *prec = band->prec + precno; + + for (cblkno = 0; cblkno < prec->nb_codeblocks_height * prec->nb_codeblocks_width; cblkno++){ + Jpeg2000Cblk *cblk = prec->cblk + cblkno; + Jpeg2000Layer *layer = &cblk->layers[layno]; + int n; + + if (layno == 0) { + cblk->ninclpasses = 0; + } + + n = cblk->ninclpasses; + + if (thresh < 0) { + n = cblk->npasses; + } else { + for (passno = cblk->ninclpasses; passno < cblk->npasses; passno++) { + int32_t dr; + double dd; + Jpeg2000Pass *pass = &cblk->passes[passno]; + + if (n == 0) { + dr = pass->rate; + dd = pass->disto; + } else { + dr = pass->rate - cblk->passes[n - 1].rate; + dd = pass->disto - cblk->passes[n-1].disto; + } + + if (!dr) { + if (dd != 0.0) { + n = passno + 1; + } + continue; + } + + if (thresh - (dd / dr) < DBL_EPSILON) + n = passno + 1; + } + } + layer->npasses = n - cblk->ninclpasses; + layer->cum_passes = n; + + if (layer->npasses == 0) { + layer->disto = 0; + layer->data_len = 0; + continue; + } + + if (cblk->ninclpasses == 0) { + layer->data_len = cblk->passes[n - 1].rate; + layer->data_start = cblk->data; + layer->disto = cblk->passes[n - 1].disto; + } else { + layer->data_len = cblk->passes[n - 1].rate - cblk->passes[cblk->ninclpasses - 1].rate; + layer->data_start = cblk->data + cblk->passes[cblk->ninclpasses - 1].rate; + layer->disto = cblk->passes[n - 1].disto - + cblk->passes[cblk->ninclpasses - 1].disto; + } + if (final) { + cblk->ninclpasses = n; + } + } + } + } + } + } +} + +static void makelayers(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile) +{ + int precno, compno, reslevelno, bandno, cblkno, lev, passno, layno; + int i; + double min = DBL_MAX; + double max = 0; + double thresh; + int tile_disto = 0; + + Jpeg2000CodingStyle *codsty = &s->codsty; + + for (compno = 0; compno < s->ncomponents; compno++){ + Jpeg2000Component *comp = tile->comp + compno; + + for (reslevelno = 0, lev = codsty->nreslevels-1; reslevelno < codsty->nreslevels; reslevelno++, lev--){ + Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; + + for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ + for (bandno = 0; bandno < reslevel->nbands ; bandno++){ + Jpeg2000Band *band = reslevel->band + bandno; + Jpeg2000Prec *prec = band->prec + precno; + + for (cblkno = 0; cblkno < prec->nb_codeblocks_height * prec->nb_codeblocks_width; cblkno++){ + Jpeg2000Cblk *cblk = prec->cblk + cblkno; + for (passno = 0; passno < cblk->npasses; passno++) { + Jpeg2000Pass *pass = &cblk->passes[passno]; + int dr; + double dd, drslope; + + tile_disto += pass->disto; + if (passno == 0) { + dr = (int32_t)pass->rate; + dd = pass->disto; + } else { + dr = (int32_t)(pass->rate - cblk->passes[passno - 1].rate); + dd = pass->disto - cblk->passes[passno - 1].disto; + } + + if (dr <= 0) + continue; + + drslope = dd / dr; + if (drslope < min) + min = drslope; + + if (drslope > max) + max = drslope; + } + } + } + } + } + } + + for (layno = 0; layno < s->nlayers; layno++) { + double lo = min; + double hi = max; + double stable_thresh = 0.0; + double good_thresh = 0.0; + if (!s->layer_rates[layno]) { + good_thresh = -1.0; + } else { + for (i = 0; i < 128; i++) { + uint8_t *stream_pos = s->buf; + int ret; + thresh = (lo + hi) / 2; + makelayer(s, layno, thresh, tile, 0); + ret = encode_packets(s, tile, (int)(tile - s->tile), layno + 1); + memset(stream_pos, 0, s->buf - stream_pos); + if ((s->buf - stream_pos > ceil(tile->layer_rates[layno])) || ret < 0) { + lo = thresh; + s->buf = stream_pos; + continue; + } + hi = thresh; + stable_thresh = thresh; + s->buf = stream_pos; + } + } + if (good_thresh >= 0.0) + good_thresh = stable_thresh == 0.0 ? thresh : stable_thresh; + makelayer(s, layno, good_thresh, tile, 1); + } +} + static int getcut(Jpeg2000Cblk *cblk, int64_t lambda, int dwt_norm) { int passno, res = 0; @@ -1086,9 +1355,9 @@ static int getcut(Jpeg2000Cblk *cblk, int64_t lambda, int dwt_norm) int64_t dd; dr = cblk->passes[passno].rate - - (res ? cblk->passes[res-1].rate:0); + - (res ? cblk->passes[res-1].rate : 0); dd = cblk->passes[passno].disto - - (res ? cblk->passes[res-1].disto:0); + - (res ? cblk->passes[res-1].disto : 0); if (((dd * dwt_norm) >> WMSEDEC_SHIFT) * dwt_norm >= dr * lambda) res = passno+1; @@ -1118,6 +1387,11 @@ static void truncpasses(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile) cblk->ninclpasses = getcut(cblk, s->lambda, (int64_t)dwt_norms[codsty->transform == FF_DWT53][bandpos][lev] * (int64_t)band->i_stepsize >> 15); + cblk->layers[0].data_start = cblk->data; + cblk->layers[0].cum_passes = cblk->ninclpasses; + cblk->layers[0].npasses = cblk->ninclpasses; + if (cblk->ninclpasses) + cblk->layers[0].data_len = cblk->passes[cblk->ninclpasses - 1].rate; } } } @@ -1205,8 +1479,12 @@ static int encode_tile(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int tileno } av_log(s->avctx, AV_LOG_DEBUG, "rate control\n"); - truncpasses(s, tile); - if ((ret = encode_packets(s, tile, tileno)) < 0) + if (s->compression_rate_enc) + makelayers(s, tile); + else + truncpasses(s, tile); + + if ((ret = encode_packets(s, tile, tileno, s->nlayers)) < 0) return ret; av_log(s->avctx, AV_LOG_DEBUG, "after rate control\n"); return 0; @@ -1223,6 +1501,7 @@ static void cleanup(Jpeg2000EncoderContext *s) ff_jpeg2000_cleanup(comp, codsty); } av_freep(&s->tile[tileno].comp); + av_freep(&s->tile[tileno].layer_rates); } av_freep(&s->tile); } @@ -1381,6 +1660,53 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, return 0; } +static int parse_layer_rates(Jpeg2000EncoderContext *s) +{ + int i; + char *token; + char *saveptr = NULL; + int rate; + int nlayers = 0; + if (!s->lr_str) { + s->nlayers = 1; + s->layer_rates[0] = 0; + s->compression_rate_enc = 0; + return 0; + } + + token = av_strtok(s->lr_str, ",", &saveptr); + if (rate = strtol(token, NULL, 10)) { + s->layer_rates[0] = rate <= 1 ? 0:rate; + nlayers++; + } else { + return AVERROR_INVALIDDATA; + } + + while (1) { + token = av_strtok(NULL, ",", &saveptr); + if (!token) + break; + if (rate = strtol(token, NULL, 10)) { + if (nlayers >= 100) { + return AVERROR_INVALIDDATA; + } + s->layer_rates[nlayers] = rate <= 1 ? 0:rate; + nlayers++; + } else { + return AVERROR_INVALIDDATA; + } + } + + for (i = 1; i < nlayers; i++) { + if (s->layer_rates[i] >= s->layer_rates[i-1]) { + return AVERROR_INVALIDDATA; + } + } + s->nlayers = nlayers; + s->compression_rate_enc = 1; + return 0; +} + static av_cold int j2kenc_init(AVCodecContext *avctx) { int i, ret; @@ -1390,6 +1716,12 @@ static av_cold int j2kenc_init(AVCodecContext *avctx) s->avctx = avctx; av_log(s->avctx, AV_LOG_DEBUG, "init\n"); + if (parse_layer_rates(s)) { + av_log(s, AV_LOG_WARNING, "Layer rates invalid. Encoding with 1 layer based on quality metric.\n"); + s->nlayers = 1; + s->layer_rates[0] = 0; + s->compression_rate_enc = 0; + } #if FF_API_PRIVATE_OPT FF_DISABLE_DEPRECATION_WARNINGS @@ -1410,6 +1742,7 @@ FF_ENABLE_DEPRECATION_WARNINGS memset(codsty->log2_prec_heights, 15, sizeof(codsty->log2_prec_heights)); codsty->nreslevels2decode= codsty->nreslevels = 7; + codsty->nlayers = s->nlayers; codsty->log2_cblk_width = 4; codsty->log2_cblk_height = 4; codsty->transform = s->pred ? FF_DWT53 : FF_DWT97_INT; @@ -1491,6 +1824,7 @@ static const AVOption options[] = { { "rpcl", NULL, OFFSET(prog), AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_RPCL }, 0, 0, VE, "prog" }, { "pcrl", NULL, OFFSET(prog), AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_PCRL }, 0, 0, VE, "prog" }, { "cprl", NULL, OFFSET(prog), AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_CPRL }, 0, 0, VE, "prog" }, + { "layer_rates", "Layer Rates", OFFSET(lr_str), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VE }, { NULL } }; diff --git a/libavcodec/jpeg2000.c b/libavcodec/jpeg2000.c index 3d3e7ec313..6501de0d04 100644 --- a/libavcodec/jpeg2000.c +++ b/libavcodec/jpeg2000.c @@ -261,9 +261,11 @@ static void init_band_stepsize(AVCodecContext *avctx, band->f_stepsize *= 0.5; } -static int init_prec(Jpeg2000Band *band, +static int init_prec(AVCodecContext *avctx, + Jpeg2000Band *band, Jpeg2000ResLevel *reslevel, Jpeg2000Component *comp, + Jpeg2000CodingStyle *codsty, int precno, int bandno, int reslevelno, int log2_band_prec_width, int log2_band_prec_height) @@ -366,6 +368,11 @@ static int init_prec(Jpeg2000Band *band, cblk->lblock = 3; cblk->length = 0; cblk->npasses = 0; + if (av_codec_is_encoder(avctx->codec)) { + cblk->layers = av_mallocz_array(codsty->nlayers, sizeof(*cblk->layers)); + if (!cblk->layers) + return AVERROR(ENOMEM); + } } return 0; @@ -439,7 +446,7 @@ static int init_band(AVCodecContext *avctx, return AVERROR(ENOMEM); for (precno = 0; precno < nb_precincts; precno++) { - ret = init_prec(band, reslevel, comp, + ret = init_prec(avctx, band, reslevel, comp, codsty, precno, bandno, reslevelno, log2_band_prec_width, log2_band_prec_height); if (ret < 0) @@ -614,6 +621,7 @@ void ff_jpeg2000_cleanup(Jpeg2000Component *comp, Jpeg2000CodingStyle *codsty) av_freep(&cblk->passes); av_freep(&cblk->lengthinc); av_freep(&cblk->data_start); + av_freep(&cblk->layers); } av_freep(&prec->cblk); } diff --git a/libavcodec/jpeg2000.h b/libavcodec/jpeg2000.h index ad58b1ae88..a7ba8aa7f3 100644 --- a/libavcodec/jpeg2000.h +++ b/libavcodec/jpeg2000.h @@ -162,10 +162,19 @@ typedef struct Jpeg2000Pass { int flushed_len; } Jpeg2000Pass; +typedef struct Jpeg2000Layer { + uint8_t *data_start; + int data_len; + int npasses; + double disto; + int cum_passes; +} Jpeg2000Layer; + typedef struct Jpeg2000Cblk { uint8_t npasses; uint8_t ninclpasses; // number coding of passes included in codestream uint8_t nonzerobits; + uint8_t incl; uint16_t length; uint16_t *lengthinc; uint8_t nb_lengthinc; @@ -176,6 +185,7 @@ typedef struct Jpeg2000Cblk { int nb_terminationsinc; int *data_start; Jpeg2000Pass *passes; + Jpeg2000Layer *layers; int coord[2][2]; // border coordinates {{x0, x1}, {y0, y1}} } Jpeg2000Cblk; // code block diff --git a/libavcodec/version.h b/libavcodec/version.h index 5bdfdce363..91e0564570 100644 --- a/libavcodec/version.h +++ b/libavcodec/version.h @@ -29,7 +29,7 @@ #define LIBAVCODEC_VERSION_MAJOR 58 #define LIBAVCODEC_VERSION_MINOR 101 -#define LIBAVCODEC_VERSION_MICRO 100 +#define LIBAVCODEC_VERSION_MICRO 101 #define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ LIBAVCODEC_VERSION_MINOR, \ diff --git a/tests/ref/vsynth/vsynth1-jpeg2000 b/tests/ref/vsynth/vsynth1-jpeg2000 index 48accf500a..5081507459 100644 --- a/tests/ref/vsynth/vsynth1-jpeg2000 +++ b/tests/ref/vsynth/vsynth1-jpeg2000 @@ -1,4 +1,4 @@ -d2a06ad916711d29b30977a06335bb76 *tests/data/fate/vsynth1-jpeg2000.avi -2265698 tests/data/fate/vsynth1-jpeg2000.avi -15a8e49f6fd014193bbafd72f84936c7 *tests/data/fate/vsynth1-jpeg2000.out.rawvideo -stddev: 5.36 PSNR: 33.55 MAXDIFF: 61 bytes: 7603200/ 7603200 +dd66b25f2ebc965eae4c29cfacdd960f *tests/data/fate/vsynth1-jpeg2000.avi +2274950 tests/data/fate/vsynth1-jpeg2000.avi +b7f48a8965f78011c76483277befc6fc *tests/data/fate/vsynth1-jpeg2000.out.rawvideo +stddev: 5.35 PSNR: 33.56 MAXDIFF: 59 bytes: 7603200/ 7603200 diff --git a/tests/ref/vsynth/vsynth1-jpeg2000-97 b/tests/ref/vsynth/vsynth1-jpeg2000-97 index 33b3299ad1..7e18f20e25 100644 --- a/tests/ref/vsynth/vsynth1-jpeg2000-97 +++ b/tests/ref/vsynth/vsynth1-jpeg2000-97 @@ -1,4 +1,4 @@ -8bb707e596f97451fd325dec2dd610a7 *tests/data/fate/vsynth1-jpeg2000-97.avi -3654620 tests/data/fate/vsynth1-jpeg2000-97.avi -5073771a78e1f5366a7eb0df341662fc *tests/data/fate/vsynth1-jpeg2000-97.out.rawvideo +f22ad99de77f8f4382c6cf10d5af42b5 *tests/data/fate/vsynth1-jpeg2000-97.avi +3661422 tests/data/fate/vsynth1-jpeg2000-97.avi +a2262f1da2f49bc196b780a6b47ec4e8 *tests/data/fate/vsynth1-jpeg2000-97.out.rawvideo stddev: 4.23 PSNR: 35.59 MAXDIFF: 53 bytes: 7603200/ 7603200 diff --git a/tests/ref/vsynth/vsynth2-jpeg2000 b/tests/ref/vsynth/vsynth2-jpeg2000 index 094f416882..7b70e99ed9 100644 --- a/tests/ref/vsynth/vsynth2-jpeg2000 +++ b/tests/ref/vsynth/vsynth2-jpeg2000 @@ -1,4 +1,4 @@ -6c2f979e4a33a36f36aec86f2d464143 *tests/data/fate/vsynth2-jpeg2000.avi -1494516 tests/data/fate/vsynth2-jpeg2000.avi -36afd96d6e55bc83166fd615351ba366 *tests/data/fate/vsynth2-jpeg2000.out.rawvideo -stddev: 5.00 PSNR: 34.15 MAXDIFF: 59 bytes: 7603200/ 7603200 +49df1372d20dae57b4ff28ac4d81bb78 *tests/data/fate/vsynth2-jpeg2000.avi +1551520 tests/data/fate/vsynth2-jpeg2000.avi +64fadc87447268cf90503cb294db7f61 *tests/data/fate/vsynth2-jpeg2000.out.rawvideo +stddev: 4.91 PSNR: 34.29 MAXDIFF: 55 bytes: 7603200/ 7603200 diff --git a/tests/ref/vsynth/vsynth2-jpeg2000-97 b/tests/ref/vsynth/vsynth2-jpeg2000-97 index 38153ea0ea..3400760573 100644 --- a/tests/ref/vsynth/vsynth2-jpeg2000-97 +++ b/tests/ref/vsynth/vsynth2-jpeg2000-97 @@ -1,4 +1,4 @@ -2e43f004a55f4a55a19c4b79fc8e8743 *tests/data/fate/vsynth2-jpeg2000-97.avi -2448706 tests/data/fate/vsynth2-jpeg2000-97.avi -a6e2453118a0de135836a868b2ca0e60 *tests/data/fate/vsynth2-jpeg2000-97.out.rawvideo -stddev: 3.23 PSNR: 37.94 MAXDIFF: 29 bytes: 7603200/ 7603200 +8443e3ae43675212be9a8274cfe5d5be *tests/data/fate/vsynth2-jpeg2000-97.avi +2484530 tests/data/fate/vsynth2-jpeg2000-97.avi +1f63c8b065e847e4c63d57ce23442ea8 *tests/data/fate/vsynth2-jpeg2000-97.out.rawvideo +stddev: 3.21 PSNR: 37.99 MAXDIFF: 26 bytes: 7603200/ 7603200 diff --git a/tests/ref/vsynth/vsynth3-jpeg2000 b/tests/ref/vsynth/vsynth3-jpeg2000 index a1e3a8090a..2c3a0d9026 100644 --- a/tests/ref/vsynth/vsynth3-jpeg2000 +++ b/tests/ref/vsynth/vsynth3-jpeg2000 @@ -1,4 +1,4 @@ -0b8aa8113c10772cffff60f9c8ffd902 *tests/data/fate/vsynth3-jpeg2000.avi -65548 tests/data/fate/vsynth3-jpeg2000.avi -2d8bd94d558755c47d7e23fd9556e164 *tests/data/fate/vsynth3-jpeg2000.out.rawvideo -stddev: 5.48 PSNR: 33.34 MAXDIFF: 47 bytes: 86700/ 86700 +548df443acb32593455bbcd8f531c00b *tests/data/fate/vsynth3-jpeg2000.avi +67658 tests/data/fate/vsynth3-jpeg2000.avi +098f5980667e1fcd50452b1dc1a74f61 *tests/data/fate/vsynth3-jpeg2000.out.rawvideo +stddev: 5.47 PSNR: 33.36 MAXDIFF: 48 bytes: 86700/ 86700 diff --git a/tests/ref/vsynth/vsynth3-jpeg2000-97 b/tests/ref/vsynth/vsynth3-jpeg2000-97 index 191956f580..1b805f04ad 100644 --- a/tests/ref/vsynth/vsynth3-jpeg2000-97 +++ b/tests/ref/vsynth/vsynth3-jpeg2000-97 @@ -1,4 +1,4 @@ -b6c88a623c3296ca945346d2203f0af0 *tests/data/fate/vsynth3-jpeg2000-97.avi -83870 tests/data/fate/vsynth3-jpeg2000-97.avi -0cd707bfb1bbe5312b00c094f695b1fa *tests/data/fate/vsynth3-jpeg2000-97.out.rawvideo -stddev: 4.52 PSNR: 35.02 MAXDIFF: 47 bytes: 86700/ 86700 +494464d224d5aa2726bc6a8630a390aa *tests/data/fate/vsynth3-jpeg2000-97.avi +86016 tests/data/fate/vsynth3-jpeg2000-97.avi +8def36ad1413ab3a5c2af2e1af4603f9 *tests/data/fate/vsynth3-jpeg2000-97.out.rawvideo +stddev: 4.51 PSNR: 35.04 MAXDIFF: 47 bytes: 86700/ 86700 diff --git a/tests/ref/vsynth/vsynth_lena-jpeg2000 b/tests/ref/vsynth/vsynth_lena-jpeg2000 index 72550eb816..2b4560ab54 100644 --- a/tests/ref/vsynth/vsynth_lena-jpeg2000 +++ b/tests/ref/vsynth/vsynth_lena-jpeg2000 @@ -1,4 +1,4 @@ -1f2cf6061c78905b8011091a9a7c425f *tests/data/fate/vsynth_lena-jpeg2000.avi -1138054 tests/data/fate/vsynth_lena-jpeg2000.avi -955653ca7a08447e7b1501b444f24562 *tests/data/fate/vsynth_lena-jpeg2000.out.rawvideo -stddev: 4.40 PSNR: 35.25 MAXDIFF: 58 bytes: 7603200/ 7603200 +e4cf380b198e6bcb00ec338914f6ebb3 *tests/data/fate/vsynth_lena-jpeg2000.avi +1202516 tests/data/fate/vsynth_lena-jpeg2000.avi +39a2c5b61cd0cf2821c6fb4cceba2fa8 *tests/data/fate/vsynth_lena-jpeg2000.out.rawvideo +stddev: 4.30 PSNR: 35.45 MAXDIFF: 45 bytes: 7603200/ 7603200 diff --git a/tests/ref/vsynth/vsynth_lena-jpeg2000-97 b/tests/ref/vsynth/vsynth_lena-jpeg2000-97 index 5c12665b66..1343dbc21b 100644 --- a/tests/ref/vsynth/vsynth_lena-jpeg2000-97 +++ b/tests/ref/vsynth/vsynth_lena-jpeg2000-97 @@ -1,4 +1,4 @@ -e5a756e97910420c90e76259c56261cb *tests/data/fate/vsynth_lena-jpeg2000-97.avi -1918956 tests/data/fate/vsynth_lena-jpeg2000-97.avi -93a4ba0c230f2430a813df594676e58a *tests/data/fate/vsynth_lena-jpeg2000-97.out.rawvideo -stddev: 2.84 PSNR: 39.04 MAXDIFF: 28 bytes: 7603200/ 7603200 +29dd43765363e17179c2de4167b32399 *tests/data/fate/vsynth_lena-jpeg2000-97.avi +1958334 tests/data/fate/vsynth_lena-jpeg2000-97.avi +1b97333a8dc115a5ba609b0070d89d4d *tests/data/fate/vsynth_lena-jpeg2000-97.out.rawvideo +stddev: 2.82 PSNR: 39.10 MAXDIFF: 24 bytes: 7603200/ 7603200 |