| /* $Id$ */ |
| /* |
| * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #include <pjmedia/wave.h> |
| |
| /* |
| * Change the endianness of WAVE header fields. |
| */ |
| static void wave_hdr_swap_bytes( pjmedia_wave_hdr *hdr ) |
| { |
| #if defined(PJ_IS_BIG_ENDIAN) && PJ_IS_BIG_ENDIAN!=0 |
| hdr->riff_hdr.riff = pj_swap32(hdr->riff_hdr.riff); |
| hdr->riff_hdr.file_len = pj_swap32(hdr->riff_hdr.file_len); |
| hdr->riff_hdr.wave = pj_swap32(hdr->riff_hdr.wave); |
| |
| hdr->fmt_hdr.fmt = pj_swap32(hdr->fmt_hdr.fmt); |
| hdr->fmt_hdr.len = pj_swap32(hdr->fmt_hdr.len); |
| hdr->fmt_hdr.fmt_tag = pj_swap16(hdr->fmt_hdr.fmt_tag); |
| hdr->fmt_hdr.nchan = pj_swap16(hdr->fmt_hdr.nchan); |
| hdr->fmt_hdr.sample_rate = pj_swap32(hdr->fmt_hdr.sample_rate); |
| hdr->fmt_hdr.bytes_per_sec = pj_swap32(hdr->fmt_hdr.bytes_per_sec); |
| hdr->fmt_hdr.block_align = pj_swap16(hdr->fmt_hdr.block_align); |
| hdr->fmt_hdr.bits_per_sample = pj_swap16(hdr->fmt_hdr.bits_per_sample); |
| |
| hdr->data_hdr.data = pj_swap32(hdr->data_hdr.data); |
| hdr->data_hdr.len = pj_swap32(hdr->data_hdr.len); |
| #else |
| PJ_UNUSED_ARG(hdr); |
| #endif |
| } |
| |
| |
| PJ_DEF(void) pjmedia_wave_hdr_file_to_host( pjmedia_wave_hdr *hdr ) |
| { |
| wave_hdr_swap_bytes(hdr); |
| } |
| |
| PJ_DEF(void) pjmedia_wave_hdr_host_to_file( pjmedia_wave_hdr *hdr ) |
| { |
| wave_hdr_swap_bytes(hdr); |
| } |
| |