shithub: dumb

ref: ef707958359b91d9cc34a29f4f5328a069a4c1ce
dir: /src/it/readriff.c/

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/*  _______         ____    __         ___    ___
 * \    _  \       \    /  \  /       \   \  /   /       '   '  '
 *  |  | \  \       |  |    ||         |   \/   |         .      .
 *  |  |  |  |      |  |    ||         ||\  /|  |
 *  |  |  |  |      |  |    ||         || \/ |  |         '  '  '
 *  |  |  |  |      |  |    ||         ||    |  |         .      .
 *  |  |_/  /        \  \__//          ||    |  |
 * /_______/ynamic    \____/niversal  /__\  /____\usic   /|  .  . ibliotheque
 *                                                      /  \
 *                                                     / .  \
 * readriff.c - Code to read a RIFF module file       / / \  \
 *              from memory.                         | <  /   \_
 *                                                   |  \/ /\   /
 *                                                    \_  /  > /
 * By Christopher Snowhill.                             | \ / /
 *                                                      |  ' /
 *                                                       \__/
 */

#include "dumb.h"
#include "internal/it.h"
#include "internal/riff.h"

DUH *dumb_read_riff_amff(DUMBFILE *f, struct riff *stream);
DUH *dumb_read_riff_am(DUMBFILE *f, struct riff *stream);
DUH *dumb_read_riff_dsmf(DUMBFILE *f, struct riff *stream);

/* dumb_read_riff_quick(): reads a RIFF file into a DUH struct, returning a
 * pointer to the DUH struct. When you have finished with it, you must pass
 * the pointer to unload_duh() so that the memory can be freed.
 */
DUH *dumb_read_riff_quick(DUMBFILE *f) {
    DUH *duh;
    struct riff *stream;
    long size;

    size = dumbfile_get_size(f);

    stream = riff_parse(f, 0, size, 1);
    if (!stream)
        stream = riff_parse(f, 0, size, 0);

    if (!stream)
        return 0;

    if (stream->type == DUMB_ID('A', 'M', ' ', ' '))
        duh = dumb_read_riff_am(f, stream);
    else if (stream->type == DUMB_ID('A', 'M', 'F', 'F'))
        duh = dumb_read_riff_amff(f, stream);
    else if (stream->type == DUMB_ID('D', 'S', 'M', 'F'))
        duh = dumb_read_riff_dsmf(f, stream);
    else
        duh = 0;

    riff_free(stream);

    return duh;
}