1 /*****************************************************************************
2 * adec_test.c: MPEG Layer I-II audio decoder test program
3 *****************************************************************************
4 * Copyright (C) 1999, 2000 VideoLAN
5 * $Id: adec_test.c,v 1.1 2001/11/13 12:09:18 henri Exp $
7 * Authors: Michel Kaempf <maxx@via.ecp.fr>
8 * Michel Lespinasse <walken@via.ecp.fr>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
23 *****************************************************************************/
28 * - optimiser les NeedBits() et les GetBits() du code là où c'est possible ;
29 * - vlc_cond_signal() / vlc_cond_wait() ;
33 /*****************************************************************************
35 *****************************************************************************/
40 #include "int_types.h"
41 #include "mpeg_adec_generic.h"
42 #include "mpeg_adec.h"
44 #define ADEC_FRAME_SIZE (2*1152)
49 adec_sync_info_t sync_info;
50 adec_byte_stream_t * stream;
51 s16 buffer [ADEC_FRAME_SIZE];
55 memset (&decoder, 0, sizeof (decoder));
56 if (adec_init (&decoder))
61 stream = adec_byte_stream (&decoder);
62 stream->p_byte = NULL;
72 if (adec_sync_frame (&decoder, &sync_info))
76 if (adec_decode_frame (&decoder, buffer))
82 for (i = 0; i < (2*1152); i++)
84 fprintf ( stderr, "%04X\n",(u16)buffer[i] );
92 void adec_byte_stream_next (adec_byte_stream_t * p_byte_stream)
94 static u8 buffer [1024];
99 fd = p_byte_stream->info;
100 size = fread (buffer, 1, 1024, fd);
103 p_byte_stream->p_byte = buffer;
104 p_byte_stream->p_end = buffer + size;
107 { /* end of stream, read dummy zeroes */
108 p_byte_stream->p_byte = &dummy;
109 p_byte_stream->p_end = &dummy + 1;