mirror of https://code.videolan.org/videolan/vlc
97 lines
2.5 KiB
C
97 lines
2.5 KiB
C
/*****************************************************************************
|
|
* adec_test.c: MPEG Layer I-II audio decoder test program
|
|
*****************************************************************************
|
|
* Copyright (C) 1999, 2000 VideoLAN
|
|
*
|
|
* Authors:
|
|
*
|
|
* 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, USA.
|
|
*****************************************************************************/
|
|
|
|
/*
|
|
* TODO :
|
|
*
|
|
* - optimiser les NeedBits() et les GetBits() du code là où c'est possible ;
|
|
* - vlc_cond_signal() / vlc_cond_wait() ;
|
|
*
|
|
*/
|
|
|
|
/*****************************************************************************
|
|
* Preamble
|
|
*****************************************************************************/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "int_types.h"
|
|
#include "adec_generic.h"
|
|
|
|
#define ADEC_FRAME_SIZE (2*1152)
|
|
|
|
int main (void)
|
|
{
|
|
audiodec_t decoder;
|
|
adec_sync_info_t sync_info;
|
|
adec_byte_stream_t * stream;
|
|
s16 buffer [ADEC_FRAME_SIZE];
|
|
|
|
int framenum;
|
|
|
|
memset (&decoder, 0, sizeof (decoder));
|
|
if (adec_init (&decoder))
|
|
return 1;
|
|
|
|
stream = adec_byte_stream (&decoder);
|
|
stream->p_byte = NULL;
|
|
stream->p_end = NULL;
|
|
stream->info = stdin;
|
|
|
|
framenum = 0;
|
|
|
|
while (1) {
|
|
int i;
|
|
|
|
if (adec_sync_frame (&decoder, &sync_info))
|
|
return 1;
|
|
if (adec_decode_frame (&decoder, buffer))
|
|
return 1;
|
|
|
|
#if 1
|
|
for (i = 0; i < (2*1152); i++)
|
|
fprintf ( stderr, "%04X\n",(u16)buffer[i] );
|
|
#endif
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void adec_byte_stream_next (adec_byte_stream_t * p_byte_stream)
|
|
{
|
|
static u8 buffer [1024];
|
|
static u8 dummy = 0;
|
|
FILE * fd;
|
|
int size;
|
|
|
|
fd = p_byte_stream->info;
|
|
size = fread (buffer, 1, 1024, fd);
|
|
if (size) {
|
|
p_byte_stream->p_byte = buffer;
|
|
p_byte_stream->p_end = buffer + size;
|
|
} else { /* end of stream, read dummy zeroes */
|
|
p_byte_stream->p_byte = &dummy;
|
|
p_byte_stream->p_end = &dummy + 1;
|
|
}
|
|
}
|