--- /dev/null
+/*
+ * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
+ * Copyright (c) 2002-2007, Professor Benoit Macq
+ * Copyright (c) 2003-2007, Francois-Olivier Devaux
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+#include "mj2.h"
+
+/** @defgroup JP2 JP2 - JPEG-2000 file format reader/writer */
+/*@{*/
+
+/** @name Local static functions */
+/*@{*/
+
+/*
+*
+* Read box headers
+*
+*/
+
+int mj2_read_boxhdr(mj2_box_t * box, opj_cio_t *cio)
+{
+ box->init_pos = cio_tell(cio);
+ box->length = cio_read(cio, 4);
+ box->type = cio_read(cio, 4);
+ if (box->length == 1) {
+ if (cio_read(cio, 4) != 0) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Cannot handle box sizes higher than 2^32\n");
+ return 1;
+ };
+ box->length = cio_read(cio, 4);
+ if (box->length == 0)
+ box->length = cio_numbytesleft(cio) + 12;
+ }
+ else if (box->length == 0) {
+ box->length = cio_numbytesleft(cio) + 8;
+ }
+ return 0;
+}
+
+/*
+*
+* Initialisation of a Standard Movie, given a simple movie structure defined by the user
+* The movie will have one sample per chunk
+*
+* Arguments: opj_mj2_t * movie
+* Several variables of "movie" must be defined in order to enable a correct execution of
+* this function:
+* - The number of tracks of each type (movie->num_vtk, movie->num_stk, movie->num_htk)
+* - The memory for each must be allocated (movie->tk)
+* - For each track:
+* The track type (tk->track_type)
+* The number of sample (tk->num_samples)
+* The sample rate (tk->sample_rate)
+*
+*/
+
+int mj2_init_stdmovie(opj_mj2_t * movie)
+{
+ mj2_tk_t *tk0;
+ int i, w, h, prec;
+ unsigned int j;
+ time_t ltime;
+
+ movie->brand = MJ2_MJ2;
+ movie->minversion = 0;
+ movie->num_cl = 2;
+ movie->cl = (unsigned int*) opj_malloc(movie->num_cl * sizeof(unsigned int));
+
+ movie->cl[0] = MJ2_MJ2;
+ movie->cl[1] = MJ2_MJ2S;
+ time(<ime); /* Time since 1/1/70 */
+ movie->creation_time = (unsigned int) ltime + 2082844800; /* Seconds between 1/1/04 and 1/1/70 */
+ movie->timescale = 1000;
+
+ movie->rate = 1 << 16; /* Rate to play presentation (default = 0x00010000) */
+ movie->volume = 1 << 8; /* Movie volume (default = 0x0100) */
+ movie->trans_matrix[0] = 0x00010000; /* Transformation matrix for video */
+ movie->trans_matrix[1] = 0; /* Unity is { 0x00010000,0,0,0,0x00010000,0,0,0,0x40000000 } */
+ movie->trans_matrix[2] = 0;
+ movie->trans_matrix[3] = 0;
+ movie->trans_matrix[4] = 0x00010000;
+ movie->trans_matrix[5] = 0;
+ movie->trans_matrix[6] = 0;
+ movie->trans_matrix[7] = 0;
+ movie->trans_matrix[8] = 0x40000000;
+ movie->next_tk_id = 1;
+
+ tk0 = &movie->tk[0];
+ w = tk0->w; h = tk0->h; prec = tk0->depth;
+
+ for (i = 0; i < movie->num_htk + movie->num_stk + movie->num_vtk; i++)
+ {
+ mj2_tk_t *tk = &movie->tk[i];
+
+ movie->next_tk_id++;
+ tk->jp2_struct.comps = NULL;
+ tk->jp2_struct.cl = NULL;
+
+ if (tk->track_type == 0) /* no sound or hint track */
+ {
+ if (tk->num_samples == 0)
+ return 1;
+
+ tk->w = w; tk->h = h; tk->depth = prec;
+ tk->Dim[0] = 0;
+ tk->Dim[1] = 0;
+
+ tk->timescale = 1000; /* Timescale = 1 ms */
+
+ tk->chunk[0].num_samples = 1;
+ tk->chunk[0].sample_descr_idx = 1;
+
+ tk->same_sample_size = 0;
+
+ tk->num_samplestochunk = 1; /* One sample per chunk */
+ tk->sampletochunk = (mj2_sampletochunk_t*) opj_malloc(tk->num_samplestochunk * sizeof(mj2_sampletochunk_t));
+ tk->sampletochunk[0].first_chunk = 1;
+ tk->sampletochunk[0].samples_per_chunk = 1;
+ tk->sampletochunk[0].sample_descr_idx = 1;
+
+ if (tk->sample_rate == 0)
+ {
+ opj_event_msg(tk->cinfo, EVT_ERROR,
+ "Error while initializing MJ2 movie: Sample rate of track"
+ " %d must be different from zero\n", tk->track_ID);
+ return 1;
+ }
+
+ for (j = 0; j < tk->num_samples; j++)
+ {
+ tk->sample[j].sample_delta = tk->timescale / tk->sample_rate;
+ }
+
+ tk->num_tts = 1;
+ tk->tts = (mj2_tts_t*) opj_malloc(tk->num_tts * sizeof(mj2_tts_t));
+ tk->tts[0].sample_count = tk->num_samples;
+ tk->tts[0].sample_delta = tk->timescale / tk->sample_rate;
+
+ tk->horizresolution = 0x00480000; /* Horizontal resolution (typically 72) */
+ tk->vertresolution = 0x00480000; /* Vertical resolution (typically 72) */
+ tk->compressorname[0] = 0x0f4d6f74; /* Compressor Name[]: Motion JPEG2000 */
+ tk->compressorname[1] = 0x696f6e20;
+ tk->compressorname[2] = 0x4a504547;
+ tk->compressorname[3] = 0x32303030;
+ tk->compressorname[4] = 0x00120000;
+ tk->compressorname[5] = 0;
+ tk->compressorname[6] = 0x00000042;
+ tk->compressorname[7] = 0x000000DC;
+ tk->num_url = 0; /* Number of URL */
+ tk->num_urn = 0; /* Number of URN */
+ tk->graphicsmode = 0; /* Graphicsmode */
+ tk->opcolor[0] = 0; /* OpColor */
+ tk->opcolor[1] = 0; /* OpColor */
+ tk->opcolor[2] = 0; /* OpColor */
+ tk->creation_time = movie->creation_time; /* Seconds between 1/1/04 and 1/1/70 */
+ tk->language = 0; /* Language (undefined) */
+ tk->layer = 0;
+ tk->volume = 1 << 8; /* Movie volume (default = 0x0100) */
+ tk->trans_matrix[0] = 0x00010000; /* Transformation matrix for track */
+ tk->trans_matrix[1] = 0; /* Unity is { 0x00010000,0,0,0,0x00010000,0,0,0,0x40000000 } */
+ tk->trans_matrix[2] = 0;
+ tk->trans_matrix[3] = 0;
+ tk->trans_matrix[4] = 0x00010000;
+ tk->trans_matrix[5] = 0;
+ tk->trans_matrix[6] = 0;
+ tk->trans_matrix[7] = 0;
+ tk->trans_matrix[8] = 0x40000000;
+ tk->fieldcount = 1;
+ tk->fieldorder = 0;
+ tk->or_fieldcount = 1;
+ tk->or_fieldorder = 0;
+ tk->num_br = 2;
+ tk->br = (unsigned int*) opj_malloc(tk->num_br * sizeof(unsigned int));
+ tk->br[0] = MJ2_JP2;
+ tk->br[1] = MJ2_J2P0;
+ tk->num_jp2x = 0;
+ tk->hsub = 2; /* 4:2:0 */
+ tk->vsub = 2; /* 4:2:0 */
+ tk->hoff = 0;
+ tk->voff = 0;
+ tk->visual_w = tk->w << 16;
+ tk->visual_h = tk->h << 16;
+ }
+ else {
+ tk->num_br = 0;
+ tk->jp2xdata = NULL;
+ }
+ }
+ return 0;
+}
+
+/*
+* Time To Sample box Decompact
+*
+*/
+void mj2_tts_decompact(mj2_tk_t * tk)
+{
+ int i, j;
+ tk->num_samples = 0;
+ for (i = 0; i < tk->num_tts; i++) {
+ tk->num_samples += tk->tts[i].sample_count;
+ }
+
+ tk->sample = (mj2_sample_t*) opj_malloc(tk->num_samples * sizeof(mj2_sample_t));
+
+ for (i = 0; i < tk->num_tts; i++) {
+ for (j = 0; j < tk->tts[i].sample_count; j++) {
+ tk->sample[j].sample_delta = tk->tts[i].sample_delta;
+ }
+ }
+}
+
+/*
+* Sample To Chunk box Decompact
+*
+*/
+void mj2_stsc_decompact(mj2_tk_t * tk)
+{
+ unsigned int i, j, k, sampleno = 0;
+
+ if (tk->num_samplestochunk == 1) {
+ tk->num_chunks =
+ (unsigned int) ceil((double) tk->num_samples /
+ (double) tk->sampletochunk[0].samples_per_chunk);
+ tk->chunk = (mj2_chunk_t*) opj_malloc(tk->num_chunks * sizeof(mj2_chunk_t));
+ for (k = 0; k < tk->num_chunks; k++) {
+ tk->chunk[k].num_samples = tk->sampletochunk[0].samples_per_chunk;
+ }
+
+ } else {
+ tk->chunk = (mj2_chunk_t*) opj_malloc(tk->num_samples * sizeof(mj2_chunk_t));
+ tk->num_chunks = 0;
+ for (i = 0; i < tk->num_samplestochunk -1 ; i++) {
+ for (j = tk->sampletochunk[i].first_chunk - 1;
+ j < tk->sampletochunk[i + 1].first_chunk - 1; j++) {
+ tk->chunk[j].num_samples = tk->sampletochunk[i].samples_per_chunk;
+ tk->num_chunks++;
+ sampleno += tk->chunk[j].num_samples;
+ }
+ }
+ tk->num_chunks += (int)(tk->num_samples - sampleno) / tk->sampletochunk[tk->num_samplestochunk - 1].samples_per_chunk;
+ for (k = tk->sampletochunk[tk->num_samplestochunk - 1].first_chunk - 1;
+ k < tk->num_chunks; k++) {
+ tk->chunk[k].num_samples =
+ tk->sampletochunk[tk->num_samplestochunk - 1].samples_per_chunk;
+ }
+ tk->chunk = (mj2_chunk_t*)
+ opj_realloc(tk->chunk, tk->num_chunks * sizeof(mj2_chunk_t));
+ }
+
+}
+
+
+/*
+* Chunk offset box Decompact
+*
+*/
+void mj2_stco_decompact(mj2_tk_t * tk)
+{
+ unsigned int i, j, k = 0;
+ unsigned int intra_chunk_offset;
+
+ for (i = 0; i < tk->num_chunks; i++) {
+ intra_chunk_offset = 0;
+ for (j = 0; j < tk->chunk[i].num_samples; j++) {
+ tk->sample[k].offset = intra_chunk_offset + tk->chunk[i].offset;
+ intra_chunk_offset += tk->sample[k].sample_size;
+ k++;
+ }
+ }
+}
+
+/*
+* Write the JP box
+*
+* JP Signature box
+*
+*/
+void mj2_write_jp(opj_cio_t *cio)
+{
+ mj2_box_t box;
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+
+ cio_write(cio, MJ2_JP, 4); /* JP */
+ cio_write(cio, 0x0d0a870a, 4); /* 0x0d0a870a required in a JP box */
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4);
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the JP box
+*
+* JPEG 2000 signature
+*
+*/
+int mj2_read_jp(opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+ if (MJ2_JP != box.type) { /* Check Marker */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected JP Marker\n");
+ return 1;
+ }
+ if (0x0d0a870a != cio_read(cio, 4)) { /* read the 0x0d0a870a required in a JP box */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with JP Marker\n");
+ return 1;
+ }
+ if (cio_tell(cio) - box.init_pos != box.length) { /* Check box length */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with JP Box size \n");
+ return 1;
+ }
+ return 0;
+
+}
+
+/*
+* Write the FTYP box
+*
+* File type box
+*
+*/
+void mj2_write_ftyp(opj_mj2_t * movie, opj_cio_t *cio)
+{
+ int i;
+ mj2_box_t box;
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+
+ cio_write(cio, MJ2_FTYP, 4); /* FTYP */
+ cio_write(cio, movie->brand, 4); /* BR */
+ cio_write(cio, movie->minversion, 4); /* MinV */
+
+ for (i = 0; i < movie->num_cl; i++)
+ cio_write(cio, movie->cl[i], 4); /* CL */
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* Length */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the FTYP box
+*
+* File type box
+*
+*/
+int mj2_read_ftyp(opj_mj2_t * movie, opj_cio_t *cio)
+{
+ int i;
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio); /* Box Size */
+ if (MJ2_FTYP != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected FTYP Marker\n");
+ return 1;
+ }
+
+ movie->brand = cio_read(cio, 4); /* BR */
+ movie->minversion = cio_read(cio, 4); /* MinV */
+ movie->num_cl = (box.length - 16) / 4;
+ movie->cl = (unsigned int*) opj_malloc(movie->num_cl * sizeof(unsigned int));
+
+ for (i = movie->num_cl - 1; i > -1; i--)
+ movie->cl[i] = cio_read(cio, 4); /* CLi */
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with FTYP Box\n");
+ return 1;
+ }
+ return 0;
+}
+
+
+/*
+* Write the STCO box
+*
+* Chunk Offset Box
+*
+*/
+void mj2_write_stco(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+ unsigned int i;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_STCO, 4); /* STCO */
+
+ cio_write(cio, 0, 4); /* Version = 0, flags = 0 */
+
+ cio_write(cio, tk->num_chunks, 4); /* Entry Count */
+
+ for (i = 0; i < tk->num_chunks; i++) {
+ cio_write(cio, tk->chunk[i].offset, 4); /* Entry offset */
+ }
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the STCO box
+*
+* Chunk Offset Box
+*
+*/
+int mj2_read_stco(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ unsigned int i;
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio); /* Box Size */
+ if (MJ2_STCO != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected STCO Marker\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 1)) { /* Version = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Only Version 0 handled in STCO box\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 3)) { /* Flags = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with flag in STCO box. Expected flag 0\n");
+ return 1;
+ }
+
+
+ if (cio_read(cio, 4) != tk->num_chunks) {
+ opj_event_msg(cio->cinfo, EVT_ERROR,
+ "Error in STCO box: expecting same amount of entry-count as chunks \n");
+ } else {
+ for (i = 0; i < tk->num_chunks; i++) {
+ tk->chunk[i].offset = cio_read(cio, 4); /* Entry offset */
+ }
+ }
+
+ mj2_stco_decompact(tk);
+
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with STCO Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the STSZ box
+*
+* Sample size box
+*
+*/
+void mj2_write_stsz(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+ unsigned int i;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_STSZ, 4); /* STSZ */
+
+ cio_write(cio, 0, 4); /* Version = 0, flags = 0 */
+
+ if (tk->same_sample_size == 1) { /* If they all have the same size */
+ cio_write(cio, tk->sample[0].sample_size, 4); /* Size */
+
+ cio_write(cio, 1, 4); /* Entry count = 1 */
+ }
+
+ else {
+ cio_write(cio, 0, 4); /* Sample Size = 0 becase they all have different sizes */
+
+ cio_write(cio, tk->num_samples, 4); /* Sample Count */
+
+ for (i = 0; i < tk->num_samples; i++) {
+ cio_write(cio, tk->sample[i].sample_size, 4);
+ }
+ }
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the STSZ box
+*
+* Sample size box
+*
+*/
+int mj2_read_stsz(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ int sample_size;
+ unsigned int i;
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio); /* Box Size */
+ if (MJ2_STSZ != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected STSZ Marker\n");
+ return 1;
+ }
+
+
+ if (0 != cio_read(cio, 1)) { /* Version = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Only Version 0 handled in STSZ box\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 3)) { /* Flags = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with flag in STSZ box. Expected flag 0\n");
+ return 1;
+ }
+
+ sample_size = cio_read(cio, 4);
+
+ if (sample_size != 0) { /* Samples do have the same size */
+ tk->same_sample_size = 1;
+ for (i = 0; i < tk->num_samples; i++) {
+ tk->sample[i].sample_size = sample_size;
+ }
+ cio_skip(cio,4); /* Sample count = 1 */
+ } else {
+ tk->same_sample_size = 0;
+ if (tk->num_samples != cio_read(cio, 4)) { /* Sample count */
+ opj_event_msg(cio->cinfo, EVT_ERROR,
+ "Error in STSZ box. Expected that sample-count is number of samples in track\n");
+ return 1;
+ }
+ for (i = 0; i < tk->num_samples; i++) {
+ tk->sample[i].sample_size = cio_read(cio, 4); /* Sample Size */
+ }
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with STSZ Box size\n");
+ return 1;
+ }
+ }
+ return 0;
+
+}
+
+/*
+* Write the STSC box
+*
+* Sample to Chunk
+*
+*/
+void mj2_write_stsc(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ unsigned int i;
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_STSC, 4); /* STSC */
+
+ cio_write(cio, 0, 4); /* Version = 0, flags = 0 */
+
+ cio_write(cio, tk->num_samplestochunk, 4); /* Entry Count */
+
+ for (i = 0; i < tk->num_samplestochunk; i++) {
+ cio_write(cio, tk->sampletochunk[i].first_chunk, 4); /* First Chunk */
+ cio_write(cio, tk->sampletochunk[i].samples_per_chunk, 4); /* Samples per chunk */
+ cio_write(cio, tk->sampletochunk[i].sample_descr_idx, 4); /* Samples description index */
+ }
+
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the STSC box
+*
+* Sample to Chunk
+*
+*/
+int mj2_read_stsc(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ unsigned int i;
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio); /* Box Size */
+ if (MJ2_STSC != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected STSC Marker\n");
+ return 1;
+ }
+
+
+ if (0 != cio_read(cio, 1)) { /* Version = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Only Version 0 handled in STSC box\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 3)) { /* Flags = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with flag in STSC box. Expected flag 0\n");
+ return 1;
+ }
+
+ tk->num_samplestochunk = cio_read(cio, 4);
+
+ tk->sampletochunk = (mj2_sampletochunk_t*) opj_malloc(tk->num_samplestochunk * sizeof(mj2_sampletochunk_t));
+
+ for (i = 0; i < tk->num_samplestochunk; i++) {
+ tk->sampletochunk[i].first_chunk = cio_read(cio, 4);
+ tk->sampletochunk[i].samples_per_chunk = cio_read(cio, 4);
+ tk->sampletochunk[i].sample_descr_idx = cio_read(cio, 4);
+ }
+
+ mj2_stsc_decompact(tk); /* decompact sample to chunk box */
+
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with STSC Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the STTS box
+*
+* Time to Sample Box
+*
+*/
+void mj2_write_stts(mj2_tk_t * tk, opj_cio_t *cio)
+{
+
+ int i;
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_STTS, 4); /* STTS */
+
+ cio_write(cio, 0, 4); /* Version = 0, flags = 0 */
+
+ cio_write(cio, tk->num_tts, 4); /* entry_count */
+ for (i = 0; i < tk->num_tts; i++) {
+ cio_write(cio, tk->tts[i].sample_count, 4); /* Sample-count */
+ cio_write(cio, tk->tts[i].sample_delta, 4); /* Sample-Delta */
+ }
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the STTS box
+*
+*
+*
+*/
+int mj2_read_stts(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ int i;
+
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+ if (MJ2_STTS != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected STTS Marker\n");
+ return 1;
+ }
+
+
+ if (0 != cio_read(cio, 1)) { /* Version = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Only Version 0 handled in STTS box\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 3)) { /* Flags = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with flag in STTS box. Expected flag 0\n");
+ return 1;
+ }
+
+ tk->num_tts = cio_read(cio, 4);
+
+ tk->tts = (mj2_tts_t*) opj_malloc(tk->num_tts * sizeof(mj2_tts_t));
+
+ for (i = 0; i < tk->num_tts; i++) {
+ tk->tts[i].sample_count = cio_read(cio, 4);
+ tk->tts[i].sample_delta = cio_read(cio, 4);
+ }
+
+ mj2_tts_decompact(tk);
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with STTS Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the FIEL box
+*
+* Field coding Box
+*
+*/
+void mj2_write_fiel(mj2_tk_t * tk, opj_cio_t *cio)
+{
+
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_FIEL, 4); /* STTS */
+
+ cio_write(cio, tk->fieldcount, 1); /* Field count */
+ cio_write(cio, tk->fieldorder, 1); /* Field order */
+
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the FIEL box
+*
+* Field coding Box
+*
+*/
+int mj2_read_fiel(mj2_tk_t * tk, opj_cio_t *cio)
+{
+
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+ if (MJ2_FIEL != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected FIEL Marker\n");
+ return 1;
+ }
+
+
+ tk->fieldcount = cio_read(cio, 1);
+ tk->fieldorder = cio_read(cio, 1);
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with FIEL Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the ORFO box
+*
+* Original Format Box
+*
+*/
+void mj2_write_orfo(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_ORFO, 4);
+
+ cio_write(cio, tk->or_fieldcount, 1); /* Original Field count */
+ cio_write(cio, tk->or_fieldorder, 1); /* Original Field order */
+
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the ORFO box
+*
+* Original Format Box
+*
+*/
+int mj2_read_orfo(mj2_tk_t * tk, opj_cio_t *cio)
+{
+
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+ if (MJ2_ORFO != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected ORFO Marker\n");
+ return 1;
+ }
+
+
+ tk->or_fieldcount = cio_read(cio, 1);
+ tk->or_fieldorder = cio_read(cio, 1);
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with ORFO Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the JP2P box
+*
+* MJP2 Profile Box
+*
+*/
+void mj2_write_jp2p(mj2_tk_t * tk, opj_cio_t *cio)
+{
+
+ int i;
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_JP2P, 4);
+
+ cio_write(cio, 0, 4); /* Version 0, flags =0 */
+
+ for (i = 0; i < tk->num_br; i++) {
+ cio_write(cio, tk->br[i], 4);
+ }
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the JP2P box
+*
+* MJP2 Profile Box
+*
+*/
+int mj2_read_jp2p(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ int i;
+
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+ if (MJ2_JP2P != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected JP2P Marker\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 1)) { /* Version = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Only Version 0 handled in JP2P box\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 3)) { /* Flags = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with flag in JP2P box. Expected flag 0\n");
+ return 1;
+ }
+
+
+ tk->num_br = (box.length - 12) / 4;
+ tk->br = (unsigned int*) opj_malloc(tk->num_br * sizeof(unsigned int));
+
+ for (i = 0; i < tk->num_br; i++) {
+ tk->br[i] = cio_read(cio, 4);
+ }
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with JP2P Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the JP2X box
+*
+* MJP2 Prefix Box
+*
+*/
+void mj2_write_jp2x(mj2_tk_t * tk, opj_cio_t *cio)
+{
+
+ int i;
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_JP2X, 4);
+
+ for (i = 0; i < tk->num_jp2x; i++) {
+ cio_write(cio, tk->jp2xdata[i], 1);
+ }
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the JP2X box
+*
+* MJP2 Prefix Box
+*
+*/
+int mj2_read_jp2x(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ unsigned int i;
+
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+ if (MJ2_JP2X != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected JP2X Marker\n");
+ return 1;
+ }
+
+
+ tk->num_jp2x = (box.length - 8);
+ tk->jp2xdata = (unsigned char*) opj_malloc(tk->num_jp2x * sizeof(unsigned char));
+
+ for (i = 0; i < tk->num_jp2x; i++) {
+ tk->jp2xdata[i] = cio_read(cio, 1);
+ }
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with JP2X Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the JSUB box
+*
+* MJP2 Subsampling Box
+*
+*/
+void mj2_write_jsub(mj2_tk_t * tk, opj_cio_t *cio)
+{
+
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_JSUB, 4);
+
+ cio_write(cio, tk->hsub, 1);
+ cio_write(cio, tk->vsub, 1);
+ cio_write(cio, tk->hoff, 1);
+ cio_write(cio, tk->voff, 1);
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the JSUB box
+*
+* MJP2 Subsampling Box
+*
+*/
+int mj2_read_jsub(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+ if (MJ2_JSUB != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected JSUB Marker\n");
+ return 1;
+ }
+
+ tk->hsub = cio_read(cio, 1);
+ tk->vsub = cio_read(cio, 1);
+ tk->hoff = cio_read(cio, 1);;
+ tk->voff = cio_read(cio, 1);
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with JSUB Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the SMJ2 box
+*
+* Visual Sample Entry Description
+*
+*/
+void mj2_write_smj2(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_MJ2, 4); /* MJ2 */
+
+ cio_write(cio, 0, 4); /* Version = 0, flags = 0 */
+
+ cio_write(cio, 1, 4);
+
+ cio_write(cio, 0, 2); /* Pre-defined */
+
+ cio_write(cio, 0, 2); /* Reserved */
+
+ cio_write(cio, 0, 4); /* Pre-defined */
+ cio_write(cio, 0, 4); /* Pre-defined */
+ cio_write(cio, 0, 4); /* Pre-defined */
+
+ cio_write(cio, tk->w, 2); /* Width */
+ cio_write(cio, tk->h, 2); /* Height */
+
+ cio_write(cio, tk->horizresolution, 4); /* Horizontal resolution */
+ cio_write(cio, tk->vertresolution, 4); /* Vertical resolution */
+
+ cio_write(cio, 0, 4); /* Reserved */
+
+ cio_write(cio, 1, 2); /* Pre-defined = 1 */
+
+ cio_write(cio, tk->compressorname[0], 4); /* Compressor Name */
+ cio_write(cio, tk->compressorname[1], 4);
+ cio_write(cio, tk->compressorname[2], 4);
+ cio_write(cio, tk->compressorname[3], 4);
+ cio_write(cio, tk->compressorname[4], 4);
+ cio_write(cio, tk->compressorname[5], 4);
+ cio_write(cio, tk->compressorname[6], 4);
+ cio_write(cio, tk->compressorname[7], 4);
+
+ cio_write(cio, tk->depth, 2); /* Depth */
+
+ cio_write(cio, 0xffff, 2); /* Pre-defined = -1 */
+
+ jp2_write_jp2h(&tk->jp2_struct, cio);
+
+ mj2_write_fiel(tk, cio);
+
+ if (tk->num_br != 0)
+ mj2_write_jp2p(tk, cio);
+ if (tk->num_jp2x != 0)
+ mj2_write_jp2x(tk, cio);
+
+ mj2_write_jsub(tk, cio);
+ mj2_write_orfo(tk, cio);
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the SMJ2 box
+*
+* Visual Sample Entry Description
+*
+*/
+int mj2_read_smj2(opj_image_t * img, mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+ mj2_box_t box2;
+ opj_jp2_color_t color;
+ int i;
+ opj_bool ok;
+
+ mj2_read_boxhdr(&box, cio);
+
+ if (MJ2_MJ2 != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error in SMJ2 box: Expected MJ2 Marker\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 1)) { /* Version = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Only Version 0 handled in MJP2 box\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 3)) { /* Flags = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with flag in MJP2 box. Expected flag 0\n");
+ return 1;
+ }
+
+ cio_skip(cio,4);
+
+ cio_skip(cio,2); /* Pre-defined */
+
+ cio_skip(cio,2); /* Reserved */
+
+ cio_skip(cio,4); /* Pre-defined */
+ cio_skip(cio,4); /* Pre-defined */
+ cio_skip(cio,4); /* Pre-defined */
+
+ tk->w = cio_read(cio, 2); /* Width */
+ tk->h = cio_read(cio, 2); /* Height */
+
+ tk->horizresolution = cio_read(cio, 4); /* Horizontal resolution */
+ tk->vertresolution = cio_read(cio, 4); /* Vertical resolution */
+
+ cio_skip(cio,4); /* Reserved */
+
+ cio_skip(cio,2); /* Pre-defined = 1 */
+
+ tk->compressorname[0] = cio_read(cio, 4); /* Compressor Name */
+ tk->compressorname[1] = cio_read(cio, 4);
+ tk->compressorname[2] = cio_read(cio, 4);
+ tk->compressorname[3] = cio_read(cio, 4);
+ tk->compressorname[4] = cio_read(cio, 4);
+ tk->compressorname[5] = cio_read(cio, 4);
+ tk->compressorname[6] = cio_read(cio, 4);
+ tk->compressorname[7] = cio_read(cio, 4);
+
+ tk->depth = cio_read(cio, 2); /* Depth */
+
+ /* Init std value */
+ tk->num_jp2x = 0;
+ tk->fieldcount = 1;
+ tk->fieldorder = 0;
+ tk->or_fieldcount = 1;
+ tk->or_fieldorder = 0;
+
+ cio_skip(cio,2); /* Pre-defined = -1 */
+ memset(&color, 0, sizeof(opj_jp2_color_t));
+ tk->jp2_struct.cinfo = tk->cinfo;
+
+ ok = jp2_read_jp2h(&tk->jp2_struct, cio, &color);
+
+ tk->jp2_struct.cinfo = NULL;
+
+ if(ok == OPJ_FALSE)
+ {
+ opj_event_msg(tk->cinfo, EVT_ERROR, "Error reading JP2H Box\n");
+ return 1;
+ }
+
+ tk->jp2_struct.comps = (opj_jp2_comps_t*) opj_malloc(tk->jp2_struct.numcomps * sizeof(opj_jp2_comps_t));
+ tk->jp2_struct.cl = (unsigned int*) opj_malloc(sizeof(unsigned int));
+
+ tk->num_br = 0;
+ tk->num_jp2x = 0;
+
+ for (i = 0; cio_tell(cio) - box.init_pos < box.length; i++) {
+ mj2_read_boxhdr(&box2, cio);
+ cio_seek(cio, box2.init_pos);
+ switch (box2.type) {
+ case MJ2_FIEL:
+ if (mj2_read_fiel(tk, cio))
+ return 1;
+ break;
+
+ case MJ2_JP2P:
+ if (mj2_read_jp2p(tk, cio))
+ return 1;
+ break;
+
+ case MJ2_JP2X:
+ if (mj2_read_jp2x(tk, cio))
+ return 1;
+ break;
+
+ case MJ2_JSUB:
+ if (mj2_read_jsub(tk, cio))
+ return 1;
+ break;
+
+ case MJ2_ORFO:
+ if (mj2_read_orfo(tk, cio))
+ return 1;
+ break;
+
+ default:
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with MJP2 Box size\n");
+ return 1;
+ break;
+
+ }
+ }
+ return 0;
+}
+
+
+/*
+* Write the STSD box
+*
+* Sample Description
+*
+*/
+void mj2_write_stsd(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_STSD, 4); /* STSD */
+
+ cio_write(cio, 0, 4); /* Version = 0, flags = 0 */
+
+ cio_write(cio, 1, 4); /* entry_count = 1 (considering same JP2 headerboxes) */
+
+ if (tk->track_type == 0) {
+ mj2_write_smj2(tk, cio);
+ } else if (tk->track_type == 1) {
+ /* Not implemented*/
+ }
+ if (tk->track_type == 2) {
+ /* Not implemented*/
+ }
+
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the STSD box
+*
+* Sample Description
+*
+*/
+int mj2_read_stsd(mj2_tk_t * tk, opj_image_t * img, opj_cio_t *cio)
+{
+ int i;
+ int entry_count, len_2skip;
+
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+
+ if (MJ2_STSD != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected STSD Marker\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 1)) { /* Version = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Only Version 0 handled in STSD box\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 3)) { /* Flags = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with flag in STSD box. Expected flag 0\n");
+ return 1;
+ }
+
+ entry_count = cio_read(cio, 4);
+
+ if (tk->track_type == 0) {
+ for (i = 0; i < entry_count; i++) {
+ if (mj2_read_smj2(img, tk, cio))
+ return 1;
+ }
+ } else if (tk->track_type == 1) {
+ len_2skip = cio_read(cio, 4); /* Not implemented -> skipping box*/
+ cio_skip(cio,len_2skip - 4);
+ } else if (tk->track_type == 2) {
+ len_2skip = cio_read(cio, 4); /* Not implemented -> skipping box*/
+ cio_skip(cio,len_2skip - 4);
+ }
+
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with STSD Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the STBL box
+*
+* Sample table box box
+*
+*/
+void mj2_write_stbl(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_STBL, 4); /* STBL */
+
+ mj2_write_stsd(tk, cio);
+ mj2_write_stts(tk, cio);
+ mj2_write_stsc(tk, cio);
+ mj2_write_stsz(tk, cio);
+ mj2_write_stco(tk, cio);
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the STBL box
+*
+* Sample table box box
+*
+*/
+int mj2_read_stbl(mj2_tk_t * tk, opj_image_t * img, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+ if (MJ2_STBL != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected STBL Marker\n");
+ return 1;
+ }
+
+ if (mj2_read_stsd(tk, img, cio))
+ return 1;
+ if (mj2_read_stts(tk, cio))
+ return 1;
+ if (mj2_read_stsc(tk, cio))
+ return 1;
+ if (mj2_read_stsz(tk, cio))
+ return 1;
+ if (mj2_read_stco(tk, cio))
+ return 1;
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with STBL Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the URL box
+*
+* URL box
+*
+*/
+void mj2_write_url(mj2_tk_t * tk, int url_num, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_URL, 4); /* URL */
+
+ if (url_num == 0)
+ cio_write(cio, 1, 4); /* Version = 0, flags = 1 because stored in same file */
+ else {
+ cio_write(cio, 0, 4); /* Version = 0, flags = 0 */
+ cio_write(cio, tk->url[url_num - 1].location[0], 4);
+ cio_write(cio, tk->url[url_num - 1].location[1], 4);
+ cio_write(cio, tk->url[url_num - 1].location[2], 4);
+ cio_write(cio, tk->url[url_num - 1].location[3], 4);
+ }
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the URL box
+*
+* URL box
+*
+*/
+int mj2_read_url(mj2_tk_t * tk, int urn_num, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+ if (MJ2_URL != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected URL Marker\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 1)) { /* Version = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Only Version 0 handled in URL box\n");
+ return 1;
+ }
+
+ if (1 != cio_read(cio, 3)) { /* If flags = 1 --> media data in file */
+ tk->url[urn_num].location[0] = cio_read(cio, 4);
+ tk->url[urn_num].location[1] = cio_read(cio, 4);
+ tk->url[urn_num].location[2] = cio_read(cio, 4);
+ tk->url[urn_num].location[3] = cio_read(cio, 4);
+ } else {
+ tk->num_url--;
+ }
+
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with URL Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the URN box
+*
+* URN box
+*
+*/
+void mj2_write_urn(mj2_tk_t * tk, int urn_num, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_URN, 4); /* URN */
+
+ cio_write(cio, 0, 4); /* Version = 0, flags = 0 */
+
+ cio_write(cio, tk->urn[urn_num].name[0], 4);
+ cio_write(cio, tk->urn[urn_num].name[1], 4);
+ cio_write(cio, tk->urn[urn_num].name[2], 4);
+ cio_write(cio, tk->urn[urn_num].name[3], 4);
+ cio_write(cio, tk->urn[urn_num].location[0], 4);
+ cio_write(cio, tk->urn[urn_num].location[1], 4);
+ cio_write(cio, tk->urn[urn_num].location[2], 4);
+ cio_write(cio, tk->urn[urn_num].location[3], 4);
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the URN box
+*
+* URN box
+*
+*/
+int mj2_read_urn(mj2_tk_t * tk, int urn_num, opj_cio_t *cio)
+{
+
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+ if (MJ2_URN != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected URN Marker\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 1)) { /* Version = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Only Version 0 handled in URN box\n");
+ return 1;
+ }
+
+ if (1 != cio_read(cio, 3)) { /* If flags = 1 --> media data in file */
+ tk->urn[urn_num].name[0] = cio_read(cio, 4);
+ tk->urn[urn_num].name[1] = cio_read(cio, 4);
+ tk->urn[urn_num].name[2] = cio_read(cio, 4);
+ tk->urn[urn_num].name[3] = cio_read(cio, 4);
+ tk->urn[urn_num].location[0] = cio_read(cio, 4);
+ tk->urn[urn_num].location[1] = cio_read(cio, 4);
+ tk->urn[urn_num].location[2] = cio_read(cio, 4);
+ tk->urn[urn_num].location[3] = cio_read(cio, 4);
+ }
+
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with URN Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+
+/*
+* Write the DREF box
+*
+* Data reference box
+*
+*/
+void mj2_write_dref(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ int i;
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_DREF, 4); /* DREF */
+
+ cio_write(cio, 0, 4); /* Version = 0, flags = 0 */
+
+ if (tk->num_url + tk->num_urn == 0) { /* Media data in same file */
+ cio_write(cio, 1, 4); /* entry_count = 1 */
+ mj2_write_url(tk, 0, cio);
+ } else {
+ cio_write(cio, tk->num_url + tk->num_urn, 4); /* entry_count */
+
+ for (i = 0; i < tk->num_url; i++)
+ mj2_write_url(tk, i + 1, cio);
+
+ for (i = 0; i < tk->num_urn; i++)
+ mj2_write_urn(tk, i, cio);
+ }
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the DREF box
+*
+* Data reference box
+*
+*/
+int mj2_read_dref(mj2_tk_t * tk, opj_cio_t *cio)
+{
+
+ int i;
+ int entry_count, marker;
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+ if (MJ2_DREF != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected DREF Marker\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 1)) { /* Version = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Only Version 0 handled in DREF box\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 3)) { /* Flags = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with flag in DREF box. Expected flag 0\n");
+ return 1;
+ }
+
+ entry_count = cio_read(cio, 4);
+ tk->num_url = 0;
+ tk->num_urn = 0;
+
+ for (i = 0; i < entry_count; i++) {
+ cio_skip(cio,4);
+ marker = cio_read(cio, 4);
+ if (marker == MJ2_URL) {
+ cio_skip(cio,-8);
+ tk->num_url++;
+ if (mj2_read_url(tk, tk->num_url, cio))
+ return 1;
+ } else if (marker == MJ2_URN) {
+ cio_skip(cio,-8);
+ tk->num_urn++;
+ if (mj2_read_urn(tk, tk->num_urn, cio))
+ return 1;
+ } else {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with in DREF box. Expected URN or URL box\n");
+ return 1;
+ }
+
+ }
+
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with DREF Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the DINF box
+*
+* Data information box
+*
+*/
+void mj2_write_dinf(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_DINF, 4); /* DINF */
+
+ mj2_write_dref(tk, cio);
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the DINF box
+*
+* Data information box
+*
+*/
+int mj2_read_dinf(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+ if (MJ2_DINF != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected DINF Marker\n");
+ return 1;
+ }
+
+ if (mj2_read_dref(tk, cio))
+ return 1;
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with DINF Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the VMHD box
+*
+* Video Media information box
+*
+*/
+void mj2_write_vmhd(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_VMHD, 4); /* VMHD */
+
+ cio_write(cio, 1, 4); /* Version = 0, flags = 1 */
+
+ cio_write(cio, tk->graphicsmode, 2);
+ cio_write(cio, tk->opcolor[0], 2);
+ cio_write(cio, tk->opcolor[1], 2);
+ cio_write(cio, tk->opcolor[2], 2);
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the VMHD box
+*
+* Video Media information box
+*
+*/
+int mj2_read_vmhd(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+ if (MJ2_VMHD != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected VMHD Marker\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 1)) { /* Version = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Only Version 0 handled in VMHD box\n");
+ return 1;
+ }
+
+ if (1 != cio_read(cio, 3)) { /* Flags = 1 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with flag in VMHD box. Expected flag 1\n");
+ return 1;
+ }
+
+ tk->track_type = 0;
+ tk->graphicsmode = cio_read(cio, 2);
+ tk->opcolor[0] = cio_read(cio, 2);
+ tk->opcolor[1] = cio_read(cio, 2);
+ tk->opcolor[2] = cio_read(cio, 2);
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with VMHD Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the SMHD box
+*
+* Sound Media information box
+*
+*/
+void mj2_write_smhd(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_SMHD, 4); /* SMHD */
+
+ cio_write(cio, 0, 4); /* Version = 0, flags = 0 */
+
+ cio_write(cio, tk->balance, 2);
+
+ cio_write(cio, 0, 2); /* Reserved */
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the SMHD box
+*
+* Sound Media information box
+*
+*/
+int mj2_read_smhd(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+ if (MJ2_SMHD != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected SMHD Marker\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 1)) { /* Version = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Only Version 0 handled in SMHD box\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 3)) { /* Flags = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with flag in SMHD box. Expected flag 0\n");
+ return 1;
+ }
+
+ tk->track_type = 1;
+ tk->balance = cio_read(cio, 2);
+
+ /* Init variables to zero to avoid problems when freeeing memory
+ The values will possibly be overidded when decoding the track structure */
+ tk->num_br = 0;
+ tk->num_url = 0;
+ tk->num_urn = 0;
+ tk->num_chunks = 0;
+ tk->num_tts = 0;
+ tk->num_samplestochunk = 0;
+ tk->num_samples = 0;
+
+ cio_skip(cio,2); /* Reserved */
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with SMHD Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the HMHD box
+*
+* Hint Media information box
+*
+*/
+void mj2_write_hmhd(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_HMHD, 4); /* HMHD */
+
+ cio_write(cio, 0, 4); /* Version = 0, flags = 0 */
+
+ cio_write(cio, tk->maxPDUsize, 2);
+ cio_write(cio, tk->avgPDUsize, 2);
+ cio_write(cio, tk->maxbitrate, 4);
+ cio_write(cio, tk->avgbitrate, 4);
+ cio_write(cio, tk->slidingavgbitrate, 4);
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the HMHD box
+*
+* Hint Media information box
+*
+*/
+int mj2_read_hmhd(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+ if (MJ2_HMHD != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected HMHD Marker\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 1)) { /* Version = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Only Version 0 handled in HMHD box\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 3)) { /* Flags = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with flag in HMHD box. Expected flag 0\n");
+ return 1;
+ }
+
+ tk->track_type = 2;
+ tk->maxPDUsize = cio_read(cio, 2);
+ tk->avgPDUsize = cio_read(cio, 2);
+ tk->maxbitrate = cio_read(cio, 4);
+ tk->avgbitrate = cio_read(cio, 4);
+ tk->slidingavgbitrate = cio_read(cio, 4);
+
+ /* Init variables to zero to avoid problems when freeeing memory
+ The values will possibly be overidded when decoding the track structure */
+ tk->num_br = 0;
+ tk->num_url = 0;
+ tk->num_urn = 0;
+ tk->num_chunks = 0;
+ tk->num_tts = 0;
+ tk->num_samplestochunk = 0;
+ tk->num_samples = 0;
+
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with HMHD Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the MINF box
+*
+* Media information box
+*
+*/
+void mj2_write_minf(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_MINF, 4); /* MINF */
+
+ if (tk->track_type == 0) {
+ mj2_write_vmhd(tk, cio);
+ } else if (tk->track_type == 1) {
+ mj2_write_smhd(tk, cio);
+ } else if (tk->track_type == 2) {
+ mj2_write_hmhd(tk, cio);
+ }
+
+ mj2_write_dinf(tk, cio);
+ mj2_write_stbl(tk, cio);
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the MINF box
+*
+* Media information box
+*
+*/
+int mj2_read_minf(mj2_tk_t * tk, opj_image_t * img, opj_cio_t *cio)
+{
+
+ unsigned int box_type;
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+ if (MJ2_MINF != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected MINF Marker\n");
+ return 1;
+ }
+
+ cio_skip(cio,4);
+ box_type = cio_read(cio, 4);
+ cio_skip(cio,-8);
+
+ if (box_type == MJ2_VMHD) {
+ if (mj2_read_vmhd(tk, cio))
+ return 1;
+ } else if (box_type == MJ2_SMHD) {
+ if (mj2_read_smhd(tk, cio))
+ return 1;
+ } else if (box_type == MJ2_HMHD) {
+ if (mj2_read_hmhd(tk, cio))
+ return 1;
+ } else {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error in MINF box expected vmhd, smhd or hmhd\n");
+ return 1;
+ }
+
+ if (mj2_read_dinf(tk, cio))
+ return 1;
+
+ if (mj2_read_stbl(tk, img, cio))
+ return 1;
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with MINF Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the HDLR box
+*
+* Handler reference box
+*
+*/
+void mj2_write_hdlr(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_HDLR, 4); /* HDLR */
+
+ cio_write(cio, 0, 4); /* Version = 0, flags = 0 */
+
+ cio_write(cio, 0, 4); /* Predefine */
+
+ tk->name = 0; /* The track name is immediately determined by the track type */
+
+ if (tk->track_type == 0) {
+ tk->handler_type = 0x76696465; /* Handler type: vide */
+ cio_write(cio, tk->handler_type, 4);
+
+ cio_write(cio, 0, 4);
+ cio_write(cio, 0, 4);
+ cio_write(cio, 0, 4); /* Reserved */
+
+ cio_write(cio, 0x76696465, 4);
+ cio_write(cio, 0x6F206d65, 4);
+ cio_write(cio, 0x64696120, 4);
+ cio_write(cio, 0x74726163, 4);
+ cio_write(cio, 0x6b00, 2); /* String: video media track */
+ } else if (tk->track_type == 1) {
+ tk->handler_type = 0x736F756E; /* Handler type: soun */
+ cio_write(cio, tk->handler_type, 4);
+
+ cio_write(cio, 0, 4);
+ cio_write(cio, 0, 4);
+ cio_write(cio, 0, 4); /* Reserved */
+
+ cio_write(cio, 0x536F756E, 4);
+ cio_write(cio, 0x6400, 2); /* String: Sound */
+ } else if (tk->track_type == 2) {
+ tk->handler_type = 0x68696E74; /* Handler type: hint */
+ cio_write(cio, tk->handler_type, 4);
+
+ cio_write(cio, 0, 4);
+ cio_write(cio, 0, 4);
+ cio_write(cio, 0, 4); /* Reserved */
+
+ cio_write(cio, 0x48696E74, 4);
+ cio_write(cio, 0, 2); /* String: Hint */
+ }
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the HDLR box
+*
+* Handler reference box
+*
+*/
+int mj2_read_hdlr(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ int i;
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+ if (MJ2_HDLR != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected HDLR Marker\n");
+ return 1;
+ }
+
+
+ if (0 != cio_read(cio, 1)) { /* Version = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Only Version 0 handled in HDLR box\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 3)) { /* Flags = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with flag in HDLR box. Expected flag 0\n");
+ return 1;
+ }
+
+ cio_skip(cio,4); /* Reserved */
+
+ tk->handler_type = cio_read(cio, 4);
+ cio_skip(cio,12); /* Reserved */
+
+ tk->name_size = box.length - 32;
+
+ tk->name = (char*) opj_malloc(tk->name_size * sizeof(char));
+ for (i = 0; i < tk->name_size; i++) {
+ tk->name[i] = cio_read(cio, 1); /* Name */
+ }
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with HDLR Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the MDHD box
+*
+* Media Header Box
+*
+*/
+void mj2_write_mdhd(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+ unsigned int i;
+ time_t ltime;
+ unsigned int modification_time;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_MDHD, 4); /* MDHD */
+
+ cio_write(cio, 0, 4); /* Version = 0, flags = 0 */
+
+ cio_write(cio, tk->creation_time, 4); /* Creation Time */
+
+ time(<ime); /* Time since 1/1/70 */
+ modification_time = (unsigned int)ltime + 2082844800; /* Seoonds between 1/1/04 and 1/1/70 */
+
+ cio_write(cio, modification_time, 4); /* Modification Time */
+
+ cio_write(cio, tk->timescale, 4); /* Timescale */
+
+ tk->duration = 0;
+
+ for (i = 0; i < tk->num_samples; i++)
+ tk->duration += tk->sample[i].sample_delta;
+
+ cio_write(cio, tk->duration, 4); /* Duration */
+
+ cio_write(cio, tk->language, 2); /* Language */
+
+ cio_write(cio, 0, 2); /* Predefined */
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the MDHD box
+*
+* Media Header Box
+*
+*/
+int mj2_read_mdhd(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+ if (!(MJ2_MHDR == box.type || MJ2_MDHD == box.type)) { /* Kakadu writes MHDR instead of MDHD*/
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected MDHD Marker\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 1)) { /* Version = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Only Version 0 handled in MDHD box\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 3)) { /* Flags = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with flag in MDHD box. Expected flag 0\n");
+ return 1;
+ }
+
+
+ tk->creation_time = cio_read(cio, 4); /* Creation Time */
+
+ tk->modification_time = cio_read(cio, 4); /* Modification Time */
+
+ tk->timescale = cio_read(cio, 4); /* Timescale */
+
+ tk->duration = cio_read(cio, 4); /* Duration */
+
+ tk->language = cio_read(cio, 2); /* Language */
+
+ cio_skip(cio,2); /* Predefined */
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with MDHD Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the MDIA box
+*
+* Media box
+*
+*/
+void mj2_write_mdia(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_MDIA, 4); /* MDIA */
+
+ mj2_write_mdhd(tk, cio);
+ mj2_write_hdlr(tk, cio);
+ mj2_write_minf(tk, cio);
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the MDIA box
+*
+* Media box
+*
+*/
+int mj2_read_mdia(mj2_tk_t * tk, opj_image_t * img, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+ if (MJ2_MDIA != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected MDIA Marker\n");
+ return 1;
+ }
+
+ if (mj2_read_mdhd(tk, cio))
+ return 1;
+ if (mj2_read_hdlr(tk, cio))
+ return 1;
+ if (mj2_read_minf(tk, img, cio))
+ return 1;
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with MDIA Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the TKHD box
+*
+* Track Header box
+*
+*/
+void mj2_write_tkhd(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+ unsigned int i;
+ time_t ltime;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+
+ cio_write(cio, MJ2_TKHD, 4); /* TKHD */
+
+ cio_write(cio, 3, 4); /* Version=0, flags=3 */
+
+ time(<ime); /* Time since 1/1/70 */
+ tk->modification_time = (unsigned int)ltime + 2082844800; /* Seoonds between 1/1/04 and 1/1/70 */
+
+ cio_write(cio, tk->creation_time, 4); /* Creation Time */
+
+ cio_write(cio, tk->modification_time, 4); /* Modification Time */
+
+ cio_write(cio, tk->track_ID, 4); /* Track ID */
+
+ cio_write(cio, 0, 4); /* Reserved */
+
+ tk->duration = 0;
+
+ for (i = 0; i < tk->num_samples; i++)
+ tk->duration += tk->sample[i].sample_delta;
+
+ cio_write(cio, tk->duration, 4); /* Duration */
+
+ cio_write(cio, 0, 4); /* Reserved */
+ cio_write(cio, 0, 4); /* Reserved */
+
+ cio_write(cio, tk->layer, 2); /* Layer */
+
+ cio_write(cio, 0, 2); /* Predefined */
+
+ cio_write(cio, tk->volume, 2); /* Volume */
+
+ cio_write(cio, 0, 2); /* Reserved */
+
+ cio_write(cio, tk->trans_matrix[0], 4); /* Transformation matrix for track */
+ cio_write(cio, tk->trans_matrix[1], 4);
+ cio_write(cio, tk->trans_matrix[2], 4);
+ cio_write(cio, tk->trans_matrix[3], 4);
+ cio_write(cio, tk->trans_matrix[4], 4);
+ cio_write(cio, tk->trans_matrix[5], 4);
+ cio_write(cio, tk->trans_matrix[6], 4);
+ cio_write(cio, tk->trans_matrix[7], 4);
+ cio_write(cio, tk->trans_matrix[8], 4);
+
+ cio_write(cio, tk->visual_w, 4); /* Video Visual Width */
+
+ cio_write(cio, tk->visual_h, 4); /* Video Visual Height */
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the TKHD box
+*
+* Track Header box
+*
+*/
+int mj2_read_tkhd(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ int flag;
+
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+
+ if (MJ2_TKHD != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected TKHD Marker\n");
+ return 1;
+ }
+
+ if (0 != cio_read(cio, 1)) { /* Version = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Only Version 0 handled in TKHD box\n");
+ return 1;
+ }
+
+ flag = cio_read(cio, 3);
+
+ if (!(flag == 1 || flag == 2 || flag == 3 || flag == 4)) { /* Flags = 1,2,3 or 4 */
+ opj_event_msg(cio->cinfo, EVT_ERROR,
+ "Error with flag in TKHD box: Expected flag 1,2,3 or 4\n");
+ return 1;
+ }
+
+ tk->creation_time = cio_read(cio, 4); /* Creation Time */
+
+ tk->modification_time = cio_read(cio, 4); /* Modification Time */
+
+ tk->track_ID = cio_read(cio, 4); /* Track ID */
+
+ cio_skip(cio,4); /* Reserved */
+
+ tk->duration = cio_read(cio, 4); /* Duration */
+
+ cio_skip(cio,8); /* Reserved */
+
+ tk->layer = cio_read(cio, 2); /* Layer */
+
+ cio_read(cio, 2); /* Predefined */
+
+ tk->volume = cio_read(cio, 2); /* Volume */
+
+ cio_skip(cio,2); /* Reserved */
+
+ tk->trans_matrix[0] = cio_read(cio, 4); /* Transformation matrix for track */
+ tk->trans_matrix[1] = cio_read(cio, 4);
+ tk->trans_matrix[2] = cio_read(cio, 4);
+ tk->trans_matrix[3] = cio_read(cio, 4);
+ tk->trans_matrix[4] = cio_read(cio, 4);
+ tk->trans_matrix[5] = cio_read(cio, 4);
+ tk->trans_matrix[6] = cio_read(cio, 4);
+ tk->trans_matrix[7] = cio_read(cio, 4);
+ tk->trans_matrix[8] = cio_read(cio, 4);
+
+ tk->visual_w = cio_read(cio, 4); /* Video Visual Width */
+
+ tk->visual_h = cio_read(cio, 4); /* Video Visual Height */
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with TKHD Box size\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the TRAK box
+*
+* Track box
+*
+*/
+void mj2_write_trak(mj2_tk_t * tk, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+
+ cio_write(cio, MJ2_TRAK, 4); /* TRAK */
+
+ mj2_write_tkhd(tk, cio);
+ mj2_write_mdia(tk, cio);
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the TRAK box
+*
+* Track box
+*
+*/
+int mj2_read_trak(mj2_tk_t * tk, opj_image_t * img, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+ if (MJ2_TRAK != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected TRAK Marker\n");
+ return 1;
+ }
+ if (mj2_read_tkhd(tk, cio))
+ return 1;
+ if (mj2_read_mdia(tk, img, cio))
+ return 1;
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with TRAK Box\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+* Write the MVHD box
+*
+* Movie header Box
+*
+*/
+void mj2_write_mvhd(opj_mj2_t * movie, opj_cio_t *cio)
+{
+ int i;
+ mj2_box_t box;
+ unsigned j;
+ time_t ltime;
+ int max_tk_num = 0;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_MVHD, 4); /* MVHD */
+
+ cio_write(cio, 0, 4); /* Version = 0, flags = 0 */
+
+ time(<ime); /* Time since 1/1/70 */
+ movie->modification_time = (unsigned int)ltime + 2082844800; /* Seoonds between 1/1/04 and 1/1/70 */
+
+ cio_write(cio, movie->creation_time, 4); /* Creation Time */
+
+ cio_write(cio, movie->modification_time, 4); /* Modification Time */
+
+ cio_write(cio, movie->timescale, 4); /* Timescale */
+
+ movie->duration = 0;
+
+ for (i = 0; i < (movie->num_stk + movie->num_htk + movie->num_vtk); i++) {
+ mj2_tk_t *tk = &movie->tk[i];
+
+ for (j = 0; j < tk->num_samples; j++) {
+ movie->duration += tk->sample[j].sample_delta;
+ }
+ }
+
+ cio_write(cio, movie->duration, 4);
+
+ cio_write(cio, movie->rate, 4); /* Rate to play presentation */
+
+ cio_write(cio, movie->volume, 2); /* Volume */
+
+ cio_write(cio, 0, 2); /* Reserved */
+ cio_write(cio, 0, 4); /* Reserved */
+ cio_write(cio, 0, 4); /* Reserved */
+
+ cio_write(cio, movie->trans_matrix[0], 4); /* Transformation matrix for video */
+ cio_write(cio, movie->trans_matrix[1], 4);
+ cio_write(cio, movie->trans_matrix[2], 4);
+ cio_write(cio, movie->trans_matrix[3], 4);
+ cio_write(cio, movie->trans_matrix[4], 4);
+ cio_write(cio, movie->trans_matrix[5], 4);
+ cio_write(cio, movie->trans_matrix[6], 4);
+ cio_write(cio, movie->trans_matrix[7], 4);
+ cio_write(cio, movie->trans_matrix[8], 4);
+
+ cio_write(cio, 0, 4); /* Pre-defined */
+ cio_write(cio, 0, 4); /* Pre-defined */
+ cio_write(cio, 0, 4); /* Pre-defined */
+ cio_write(cio, 0, 4); /* Pre-defined */
+ cio_write(cio, 0, 4); /* Pre-defined */
+ cio_write(cio, 0, 4); /* Pre-defined */
+
+
+ for (i = 0; i < movie->num_htk + movie->num_stk + movie->num_vtk; i++) {
+ if (max_tk_num < movie->tk[i].track_ID)
+ max_tk_num = movie->tk[i].track_ID;
+ }
+
+ movie->next_tk_id = max_tk_num + 1;
+
+ cio_write(cio, movie->next_tk_id, 4); /* ID of Next track to be added */
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the MVHD box
+*
+* Movie header Box
+*
+*/
+int mj2_read_mvhd(opj_mj2_t * movie, opj_cio_t *cio)
+{
+ mj2_box_t box;
+
+ mj2_read_boxhdr(&box, cio);
+ if (MJ2_MVHD != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected MVHD Marker\n");
+ return 1;
+ }
+
+
+ if (0 != cio_read(cio, 4)) { /* Version = 0, flags = 0 */
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Only Version 0 handled in MVHD box\n");
+ }
+
+ movie->creation_time = cio_read(cio, 4); /* Creation Time */
+
+ movie->modification_time = cio_read(cio, 4); /* Modification Time */
+
+ movie->timescale = cio_read(cio, 4); /* Timescale */
+
+ movie->duration = cio_read(cio, 4); /* Duration */
+
+ movie->rate = cio_read(cio, 4); /* Rate to play presentation */
+
+ movie->volume = cio_read(cio, 2); /* Volume */
+
+ cio_skip(cio,10); /* Reserved */
+
+ movie->trans_matrix[0] = cio_read(cio, 4); /* Transformation matrix for video */
+ movie->trans_matrix[1] = cio_read(cio, 4);
+ movie->trans_matrix[2] = cio_read(cio, 4);
+ movie->trans_matrix[3] = cio_read(cio, 4);
+ movie->trans_matrix[4] = cio_read(cio, 4);
+ movie->trans_matrix[5] = cio_read(cio, 4);
+ movie->trans_matrix[6] = cio_read(cio, 4);
+ movie->trans_matrix[7] = cio_read(cio, 4);
+ movie->trans_matrix[8] = cio_read(cio, 4);
+
+ cio_skip(cio,24); /* Pre-defined */
+
+ movie->next_tk_id = cio_read(cio, 4); /* ID of Next track to be added */
+
+ if (cio_tell(cio) - box.init_pos != box.length) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with MVHD Box Size\n");
+ return 1;
+ }
+ return 0;
+}
+
+
+/*
+* Write the MOOV box
+*
+* Movie Box
+*
+*/
+void mj2_write_moov(opj_mj2_t * movie, opj_cio_t *cio)
+{
+ int i;
+ mj2_box_t box;
+
+ box.init_pos = cio_tell(cio);
+ cio_skip(cio,4);
+ cio_write(cio, MJ2_MOOV, 4); /* MOOV */
+
+ mj2_write_mvhd(movie, cio);
+
+ for (i = 0; i < (movie->num_stk + movie->num_htk + movie->num_vtk); i++) {
+ mj2_write_trak(&movie->tk[i], cio);
+ }
+
+ box.length = cio_tell(cio) - box.init_pos;
+ cio_seek(cio, box.init_pos);
+ cio_write(cio, box.length, 4); /* L */
+ cio_seek(cio, box.init_pos + box.length);
+}
+
+/*
+* Read the MOOV box
+*
+* Movie Box
+*
+*/
+int mj2_read_moov(opj_mj2_t * movie, opj_image_t * img, opj_cio_t *cio)
+{
+ unsigned int i;
+ mj2_box_t box;
+ mj2_box_t box2;
+
+ mj2_read_boxhdr(&box, cio);
+ if (MJ2_MOOV != box.type) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error: Expected MOOV Marker\n");
+ return 1;
+ }
+
+ if (mj2_read_mvhd(movie, cio))
+ return 1;
+
+ movie->tk = (mj2_tk_t*) opj_malloc((movie->next_tk_id - 1) * sizeof(mj2_tk_t));
+
+ for (i = 0; cio_tell(cio) - box.init_pos < box.length; i++) {
+ mj2_tk_t *tk = &movie->tk[i];
+ tk->cinfo = movie->cinfo;
+ mj2_read_boxhdr(&box2, cio);
+ if (box2.type == MJ2_TRAK) {
+ cio_seek(cio, box2.init_pos);
+ if (mj2_read_trak(tk, img, cio))
+ return 1;
+
+ if (tk->track_type == 0) {
+ movie->num_vtk++;
+ } else if (tk->track_type == 1) {
+ movie->num_stk++;
+ } else if (tk->track_type == 2) {
+ movie->num_htk++;
+ }
+ } else if (box2.type == MJ2_MVEX) {
+ cio_seek(cio, box2.init_pos);
+ cio_skip(cio,box2.length);
+ i--;
+ } else {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Error with MOOV Box: Expected TRAK or MVEX box\n");
+ return 1;
+ }
+ }
+ return 0;
+}
+
+int mj2_read_struct(FILE *file, opj_mj2_t *movie) {
+ mj2_box_t box;
+ opj_image_t img;
+ unsigned char * src;
+ int fsresult;
+ int foffset;
+ opj_cio_t *cio;
+
+ /* open a byte stream for reading */
+ src = (unsigned char*) opj_malloc(300 * sizeof(unsigned char));
+
+ /* Assuming that jp and ftyp markers size do
+ not exceed 300 bytes */
+ fread(src,300,1, file);
+
+ cio = opj_cio_open((opj_common_ptr)movie->cinfo, src, 300);
+
+ if (mj2_read_jp(cio))
+ return 1;
+ if (mj2_read_ftyp(movie, cio))
+ return 1;
+
+ fsresult = fseek(file,cio_tell(cio),SEEK_SET);
+ if( fsresult ) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "End of file reached while trying to read data after FTYP box\n" );
+ return 1;
+ }
+
+ foffset = cio_tell(cio);
+
+ box.type = 0;
+
+ fread(src,30,1,file);
+ cio = opj_cio_open((opj_common_ptr)movie->cinfo, src, 300);
+ mj2_read_boxhdr(&box, cio);
+
+ while(box.type != MJ2_MOOV) {
+
+ switch(box.type)
+ {
+ case MJ2_MDAT:
+ fsresult = fseek(file,foffset+box.length,SEEK_SET);
+ if( fsresult ) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "End of file reached while trying to read MDAT box\n" );
+ return 1;
+ }
+ foffset += box.length;
+ break;
+
+ case MJ2_MOOF:
+ fsresult = fseek(file,foffset+box.length,SEEK_SET);
+ if( fsresult ) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "End of file reached while trying to read MOOF box\n" );
+ return 1;
+ }
+ foffset += box.length;
+ break;
+ case MJ2_FREE:
+ fsresult = fseek(file,foffset+box.length,SEEK_SET);
+ if( fsresult ) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "End of file reached while trying to read FREE box\n" );
+ return 1;
+ }
+ foffset += box.length;
+ break;
+ case MJ2_SKIP:
+ fsresult = fseek(file,foffset+box.length,SEEK_SET);
+ if( fsresult ) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "End of file reached while trying to read SKIP box\n" );
+ return 1;
+ }
+ foffset += box.length;
+ break;
+ default:
+ opj_event_msg(cio->cinfo, EVT_ERROR, "Unknown box in MJ2 stream\n");
+ fsresult = fseek(file,foffset+box.length,SEEK_SET);
+ if( fsresult ) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "End of file reached while trying to read end of unknown box\n");
+ return 1;
+ }
+ foffset += box.length;
+ break;
+ }
+ fsresult = fread(src,8,1,file);
+ if (fsresult != 1) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "MOOV box not found in file\n");
+ return 1;
+ }
+ cio = opj_cio_open((opj_common_ptr)movie->cinfo, src, 8);
+ mj2_read_boxhdr(&box, cio);
+ }
+
+ fseek(file,foffset,SEEK_SET);
+ src = (unsigned char*)opj_realloc(src,box.length);
+ fsresult = fread(src,box.length,1,file);
+ if (fsresult != 1) {
+ opj_event_msg(cio->cinfo, EVT_ERROR, "End of file reached while trying to read MOOV box\n");
+ return 1;
+ }
+
+ cio = opj_cio_open((opj_common_ptr)movie->cinfo, src, box.length);
+
+ if (mj2_read_moov(movie, &img, cio))
+ return 1;
+
+ opj_free(src);
+ return 0;
+}
+
+/* ----------------------------------------------------------------------- */
+/* MJ2 decoder interface */
+/* ----------------------------------------------------------------------- */
+
+opj_dinfo_t* mj2_create_decompress() {
+ opj_mj2_t* mj2;
+ opj_dinfo_t *dinfo = (opj_dinfo_t*) opj_calloc(1, sizeof(opj_dinfo_t));
+ if(!dinfo) return NULL;
+
+ dinfo->is_decompressor = OPJ_TRUE;
+
+ mj2 = (opj_mj2_t*) opj_calloc(1, sizeof(opj_mj2_t));
+ dinfo->mj2_handle = mj2;
+ if(mj2) {
+ mj2->cinfo = (opj_common_ptr)dinfo;
+ }
+ mj2->j2k = j2k_create_decompress((opj_common_ptr)dinfo);
+ dinfo->j2k_handle = mj2->j2k;
+
+ return dinfo;
+}
+
+void mj2_setup_decoder(opj_mj2_t *movie, mj2_dparameters_t *mj2_parameters) {
+ movie->num_vtk=0;
+ movie->num_stk=0;
+ movie->num_htk=0;
+
+ /* setup the J2K decoder parameters */
+ j2k_setup_decoder((opj_j2k_t*)movie->cinfo->j2k_handle,
+ &mj2_parameters->j2k_parameters);
+
+}
+
+void mj2_destroy_decompress(opj_mj2_t *movie) {
+ if(movie) {
+ int i;
+ mj2_tk_t *tk=NULL;
+
+ if (movie->cinfo->j2k_handle)
+ j2k_destroy_compress(movie->j2k);
+
+ if (movie->num_cl != 0)
+ opj_free(movie->cl);
+
+ for (i = 0; i < movie->num_vtk + movie->num_stk + movie->num_htk; i++) {
+ tk = &movie->tk[i];
+ if (tk->name_size != 0)
+ opj_free(tk->name);
+ if (tk->track_type == 0) {/* Video track*/
+ if (tk->jp2_struct.comps != NULL)
+ opj_free(tk->jp2_struct.comps);
+ if (tk->jp2_struct.cl != NULL)
+ opj_free(tk->jp2_struct.cl);
+ if (tk->num_jp2x != 0)
+ opj_free(tk->jp2xdata);
+
+ }
+ if (tk->num_url != 0)
+ opj_free(tk->url);
+ if (tk->num_urn != 0)
+ opj_free(tk->urn);
+ if (tk->num_br != 0)
+ opj_free(tk->br);
+ if (tk->num_tts != 0)
+ opj_free(tk->tts);
+ if (tk->num_chunks != 0)
+ opj_free(tk->chunk);
+ if (tk->num_samplestochunk != 0)
+ opj_free(tk->sampletochunk);
+ if (tk->num_samples != 0)
+ opj_free(tk->sample);
+ }
+
+ opj_free(movie->tk);
+ }
+ opj_free(movie);
+}
+
+/* ----------------------------------------------------------------------- */
+/* MJ2 encoder interface */
+/* ----------------------------------------------------------------------- */
+
+
+opj_cinfo_t* mj2_create_compress() {
+ opj_mj2_t* mj2;
+ opj_cinfo_t *cinfo = (opj_cinfo_t*) opj_calloc(1, sizeof(opj_cinfo_t));
+ if(!cinfo) return NULL;
+
+ mj2 = (opj_mj2_t*) opj_calloc(1, sizeof(opj_mj2_t));
+ cinfo->mj2_handle = mj2;
+ if(mj2) {
+ mj2->cinfo = (opj_common_ptr)cinfo;
+ }
+
+ mj2->j2k = j2k_create_compress(mj2->cinfo);
+ cinfo->j2k_handle = mj2->j2k;
+
+ return cinfo;
+}
+
+void mj2_setup_encoder(opj_mj2_t *movie, mj2_cparameters_t *parameters) {
+ if(movie && parameters) {
+ opj_jp2_t *jp2_struct;
+
+ movie->num_htk = 0; /* No hint tracks*/
+ movie->num_stk = 0; /* No sound tracks*/
+ movie->num_vtk = 1; /* One video track*/
+
+ movie->brand = MJ2_MJ2; /* One brand: MJ2*/
+ movie->num_cl = 2; /* Two compatible brands: MJ2 and MJ2S*/
+ movie->cl = (unsigned int*) opj_malloc(movie->num_cl * sizeof(unsigned int));
+ movie->cl[0] = MJ2_MJ2;
+ movie->cl[1] = MJ2_MJ2S;
+ movie->minversion = 0; /* Minimum version: 0 */
+
+ movie->tk = (mj2_tk_t*) opj_malloc(sizeof(mj2_tk_t)); /*Memory allocation for the video track*/
+ movie->tk[0].track_ID = 1; /* Track ID = 1 */
+ movie->tk[0].track_type = 0; /* Video track */
+ movie->tk[0].Dim[0] = parameters->Dim[0];
+ movie->tk[0].Dim[1] = parameters->Dim[1];
+ movie->tk[0].w = parameters->w;
+ movie->tk[0].h = parameters->h;
+ movie->tk[0].CbCr_subsampling_dx = parameters->CbCr_subsampling_dx;
+ movie->tk[0].CbCr_subsampling_dy = parameters->CbCr_subsampling_dy;
+ movie->tk[0].sample_rate = parameters->frame_rate;
+ movie->tk[0].name_size = 0;
+ movie->tk[0].chunk = (mj2_chunk_t*) opj_malloc(sizeof(mj2_chunk_t));
+ movie->tk[0].sample = (mj2_sample_t*) opj_malloc(sizeof(mj2_sample_t));
+ movie->tk[0].depth = parameters->prec;
+
+ jp2_struct = &movie->tk[0].jp2_struct;
+ jp2_struct->numcomps = parameters->numcomps; /* NC */
+ jp2_struct->comps = (opj_jp2_comps_t*) opj_malloc(jp2_struct->numcomps * sizeof(opj_jp2_comps_t));
+ jp2_struct->precedence = 0; /* PRECEDENCE*/
+ jp2_struct->approx = 0; /* APPROX*/
+ jp2_struct->brand = JP2_JP2; /* BR */
+ jp2_struct->minversion = 0; /* MinV */
+ jp2_struct->numcl = 1;
+ jp2_struct->cl = (unsigned int*) opj_malloc(jp2_struct->numcl * sizeof(unsigned int));
+ jp2_struct->cl[0] = JP2_JP2; /* CL0 : JP2 */
+ jp2_struct->C = 7; /* C : Always 7*/
+ jp2_struct->UnkC = 0; /* UnkC, colorspace specified in colr box*/
+ jp2_struct->IPR = 0; /* IPR, no intellectual property*/
+ jp2_struct->w = parameters->w;
+ jp2_struct->h = parameters->h;
+ jp2_struct->bpc = 7;
+ jp2_struct->meth = parameters->meth;
+ jp2_struct->enumcs = parameters->enumcs;
+ }
+}
+
+void mj2_destroy_compress(opj_mj2_t *movie) {
+ if(movie) {
+ int i;
+ mj2_tk_t *tk=NULL;
+
+ if (movie->cinfo->j2k_handle) {
+ j2k_destroy_compress(movie->j2k);
+ }
+
+ if (movie->num_cl != 0)
+ opj_free(movie->cl);
+
+ for (i = 0; i < movie->num_vtk + movie->num_stk + movie->num_htk; i++) {
+ tk = &movie->tk[i];
+ if (tk->name_size != 0)
+ opj_free(tk->name);
+ if (tk->track_type == 0) {/* Video track*/
+ if (tk->jp2_struct.comps != NULL)
+ opj_free(tk->jp2_struct.comps);
+ if (tk->jp2_struct.cl != NULL)
+ opj_free(tk->jp2_struct.cl);
+ if (tk->num_jp2x != 0)
+ opj_free(tk->jp2xdata);
+
+ }
+ if (tk->num_url != 0)
+ opj_free(tk->url);
+ if (tk->num_urn != 0)
+ opj_free(tk->urn);
+ if (tk->num_br != 0)
+ opj_free(tk->br);
+ if (tk->num_tts != 0)
+ opj_free(tk->tts);
+ if (tk->num_chunks != 0)
+ opj_free(tk->chunk);
+ if (tk->num_samplestochunk != 0)
+ opj_free(tk->sampletochunk);
+ if (tk->num_samples != 0)
+ opj_free(tk->sample);
+ }
+
+ opj_free(movie->tk);
+ }
+ opj_free(movie);
+}
projects / openjpeg.git / blobdiff