hinf.c

JPEG-MPEG編解碼技術書集的代碼

/*
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 * 
 * The Original Code is MPEG4IP.
 * 
 * The Initial Developer of the Original Code is Cisco Systems Inc.
 * Portions created by Cisco Systems Inc. are
 * Copyright (C) Cisco Systems Inc. 2000, 2001.  All Rights Reserved.
 * 
 * Contributor(s): 
 *		Dave Mackie		[e-mail]
 */

#include "quicktime.h"


int quicktime_hinf_init(quicktime_hinf_t *hinf)
{
	quicktime_trpy_init(&(hinf->trpy));
	quicktime_nump_init(&(hinf->nump));
	quicktime_tpyl_init(&(hinf->tpyl));
	quicktime_maxr_init(&(hinf->maxr));
	quicktime_dmed_init(&(hinf->dmed));
	quicktime_dimm_init(&(hinf->dimm));
	quicktime_drep_init(&(hinf->drep));
	quicktime_tmin_init(&(hinf->tmin));
	quicktime_tmax_init(&(hinf->tmax));
	quicktime_pmax_init(&(hinf->pmax));
	quicktime_dmax_init(&(hinf->dmax));
	quicktime_payt_init(&(hinf->payt));
}

int quicktime_hinf_delete(quicktime_hinf_t *hinf)
{
	quicktime_trpy_delete(&(hinf->trpy));
	quicktime_nump_delete(&(hinf->nump));
	quicktime_tpyl_delete(&(hinf->tpyl));
	quicktime_maxr_delete(&(hinf->maxr));
	quicktime_dmed_delete(&(hinf->dmed));
	quicktime_dimm_delete(&(hinf->dimm));
	quicktime_drep_delete(&(hinf->drep));
	quicktime_tmin_delete(&(hinf->tmin));
	quicktime_tmax_delete(&(hinf->tmax));
	quicktime_pmax_delete(&(hinf->pmax));
	quicktime_dmax_delete(&(hinf->dmax));
	quicktime_payt_delete(&(hinf->payt));
}

int quicktime_hinf_dump(quicktime_hinf_t *hinf)
{
	printf("   hinf\n");
	quicktime_trpy_dump(&(hinf->trpy));
	quicktime_nump_dump(&(hinf->nump));
	quicktime_tpyl_dump(&(hinf->tpyl));
	quicktime_maxr_dump(&(hinf->maxr));
	quicktime_dmed_dump(&(hinf->dmed));
	quicktime_dimm_dump(&(hinf->dimm));
	quicktime_drep_dump(&(hinf->drep));
	quicktime_tmin_dump(&(hinf->tmin));
	quicktime_tmax_dump(&(hinf->tmax));
	quicktime_pmax_dump(&(hinf->pmax));
	quicktime_dmax_dump(&(hinf->dmax));
	quicktime_payt_dump(&(hinf->payt));
}

int quicktime_read_hinf(quicktime_t *file, quicktime_hinf_t *hinf, quicktime_atom_t *parent_atom)
{
	quicktime_atom_t leaf_atom;

	do {
		quicktime_atom_read_header(file, &leaf_atom);

		if (quicktime_atom_is(&leaf_atom, "trpy")) {
			quicktime_read_trpy(file, &(hinf->trpy));
		} else if (quicktime_atom_is(&leaf_atom, "nump")) {
			quicktime_read_nump(file, &(hinf->nump));
		} else if (quicktime_atom_is(&leaf_atom, "tpyl")) {
			quicktime_read_tpyl(file, &(hinf->tpyl));
		} else if (quicktime_atom_is(&leaf_atom, "maxr")) {
			quicktime_read_maxr(file, &(hinf->maxr));
		} else if (quicktime_atom_is(&leaf_atom, "dmed")) {
			quicktime_read_dmed(file, &(hinf->dmed));
		} else if (quicktime_atom_is(&leaf_atom, "dimm")) {
			quicktime_read_dimm(file, &(hinf->dimm));
		} else if (quicktime_atom_is(&leaf_atom, "drep")) {
			quicktime_read_drep(file, &(hinf->drep));
		} else if (quicktime_atom_is(&leaf_atom, "tmin")) {
			quicktime_read_tmin(file, &(hinf->tmin));
		} else if (quicktime_atom_is(&leaf_atom, "tmax")) {
			quicktime_read_tmax(file, &(hinf->tmax));
		} else if (quicktime_atom_is(&leaf_atom, "pmax")) {
			quicktime_read_pmax(file, &(hinf->pmax));
		} else if (quicktime_atom_is(&leaf_atom, "dmax")) {
			quicktime_read_dmax(file, &(hinf->dmax));
		} else if (quicktime_atom_is(&leaf_atom, "payt")) {
			quicktime_read_payt(file, &(hinf->payt), &leaf_atom);
		} else {
			quicktime_atom_skip(file, &leaf_atom);
		}
	} while (quicktime_position(file) < parent_atom->end);
}

int quicktime_write_hinf(quicktime_t *file, quicktime_hinf_t *hinf)
{
	quicktime_atom_t atom;

	quicktime_atom_write_header(file, &atom, "hinf");

	quicktime_write_trpy(file, &(hinf->trpy));
	quicktime_write_nump(file, &(hinf->nump));
	quicktime_write_tpyl(file, &(hinf->tpyl));
	quicktime_write_maxr(file, &(hinf->maxr));
	quicktime_write_dmed(file, &(hinf->dmed));
	quicktime_write_dimm(file, &(hinf->dimm));
	quicktime_write_drep(file, &(hinf->drep));
	quicktime_write_tmin(file, &(hinf->tmin));
	quicktime_write_tmax(file, &(hinf->tmax));
	quicktime_write_pmax(file, &(hinf->pmax));
	quicktime_write_dmax(file, &(hinf->dmax));
	quicktime_write_payt(file, &(hinf->payt));

	quicktime_atom_write_footer(file, &atom);
}