ex_adpcm.h

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/*! \file
 * \brief 4-bit ADPCM data
 *
 * Copyright (C) 2008, Digium, Inc.
 *
 * Distributed under the terms of the GNU General Public License
 *
 */
 
static uint8_t ex_adpcm[] = {
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
 
static struct ast_frame *adpcm_sample(void)
{
    static struct ast_frame f = {
        .frametype = AST_FRAME_VOICE,
        .datalen = sizeof(ex_adpcm),
        .samples = ARRAY_LEN(ex_adpcm) * 2,
        .mallocd = 0,
        .offset = 0,
        .src = __PRETTY_FUNCTION__,
        .data.ptr = ex_adpcm,
    };
 
    f.subclass.format = ast_format_adpcm;
 
    return &f;
}