200 lines
5.2 KiB
C
200 lines
5.2 KiB
C
/*
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* Copyright (c) 2003-2004, François-Olivier Devaux
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* Copyright (c) 2003-2004, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <j2k.h>
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#include <jp2.h>
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#ifndef __MJ2_H
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#define __MJ2_H
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typedef struct { /* Time To Sample */
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int sample_count;
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int sample_delta;
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} mj2_tts_t;
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typedef struct { /* Chunk */
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int num_samples;
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int sample_descr_idx;
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int offset;
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} mj2_chunk_t;
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typedef struct { /* Sample to chunk */
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int first_chunk;
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int samples_per_chunk;
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int sample_descr_idx;
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} mj2_sampletochunk_t;
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typedef struct { /* Sample */
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unsigned int sample_size;
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unsigned int offset;
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unsigned int sample_delta;
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} mj2_sample_t;
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typedef struct { /* URL */
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int location[4];
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} mj2_url_t;
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typedef struct { /* URN */
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int name[2];
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int location[4];
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} mj2_urn_t;
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typedef struct { /* Video Track Parameters */
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int track_ID;
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int track_type;
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unsigned int creation_time;
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unsigned int modification_time;
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int duration;
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int timescale;
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int layer;
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int volume;
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int language;
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int balance;
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int maxPDUsize;
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int avgPDUsize;
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int maxbitrate;
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int avgbitrate;
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int slidingavgbitrate;
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int graphicsmode;
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int opcolor[3];
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int num_url;
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mj2_url_t *url;
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int num_urn;
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mj2_urn_t *urn;
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int Dim[2];
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int w;
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int h;
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int CbCr_subsampling_dx;
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int CbCr_subsampling_dy;
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// int subsampling_dx;
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// int subsampling_dy;
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int sample_rate;
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int sample_description;
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int horizresolution;
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int vertresolution;
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int compressorname[8];
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int depth;
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unsigned char fieldcount;
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unsigned char fieldorder;
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unsigned char or_fieldcount;
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unsigned char or_fieldorder;
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int num_br;
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unsigned int *br;
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unsigned char num_jp2x;
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unsigned char *jp2xdata;
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unsigned char hsub;
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unsigned char vsub;
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unsigned char hoff;
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unsigned char voff;
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int trans_matrix[9];
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unsigned int num_samples; /* Number of samples */
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int transorm;
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int handler_type;
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int name_size;
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unsigned char same_sample_size;
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int num_tts;
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mj2_tts_t *tts; /* Time to sample */
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unsigned int num_chunks;
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mj2_chunk_t *chunk;
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int num_samplestochunk;
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mj2_sampletochunk_t *sampletochunk;
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char *name;
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jp2_struct_t jp2_struct;
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mj2_sample_t *sample; /* Sample parameters */
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} mj2_tk_t; /* Track Parameters */
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typedef struct { /* Movie */
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unsigned int brand;
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unsigned int minversion;
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int num_cl;
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unsigned int *cl;
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unsigned int creation_time;
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unsigned int modification_time;
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int timescale;
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unsigned int duration;
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int rate;
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int num_vtk;
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int num_stk;
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int num_htk;
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int volume;
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int trans_matrix[9];
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int next_tk_id;
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mj2_tk_t *tk; /* Track Parameters */
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} mj2_movie_t;
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typedef struct {
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int length;
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int type;
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int init_pos;
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} mj2_box_t;
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void mj2_write_jp();
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void mj2_write_ftyp(mj2_movie_t * movie);
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/*
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* Use this function to initialize a standard movie with standard values
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* It has one sample per chunk
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*/
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int mj2_init_stdmovie(mj2_movie_t * movie);
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/* int mj2_encode(mj2_movie_t * movie, j2k_cp_t * cp, char *index);
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*
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* Encode a MJ2 movie from a yuv file
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* movie: an existing mj2_movie structure (to create a standard one, use mj2_init_stdmovie
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* cp: coding parameters of j2k images
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* index: index file name
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*/
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int mj2_encode(mj2_movie_t * movie, j2k_cp_t * cp, char *index);
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/* int mj2_decode(unsigned char *src, int len, mj2_movie_t * movie,
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* j2k_cp_t * cp, char *outfile);
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*
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* Decode a MJ2 movie to a yuv file
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* src: pointer to memory where frames will be stored
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* movie: a mj2_movie structure
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* cp: coding parameters of j2k images
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* outfile: yuv file name
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*/
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int mj2_decode(unsigned char *src, int len, mj2_movie_t * movie,
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j2k_cp_t * cp, char *outfile);
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/*
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* Free memory used to encode and decode mj2 files
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*
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*/
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void mj2_memory_free(mj2_movie_t * movie);
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int mj2_read_struct(FILE *file, mj2_movie_t * movie);
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void mj2_write_moov(mj2_movie_t * movie);
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#endif
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