/*****************************************************************************
* a52.c: parse A/52 audio sync info and packetize the stream
*****************************************************************************
- * Copyright (C) 2001-2002 the VideoLAN team
+ * Copyright (C) 2001-2002 VLC authors and VideoLAN
* $Id$
*
* Authors: Stéphane Borel <stef@via.ecp.fr>
* Christophe Massiot <massiot@via.ecp.fr>
* Gildas Bazin <gbazin@videolan.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
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_codec.h>
-#include <vlc_aout.h>
#include <vlc_block_helper.h>
+#include <vlc_modules.h>
#include "a52.h"
+#include "../packetizer/packetizer_helper.h"
+
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_a52_header_t frame;
};
-enum {
-
- STATE_NOSYNC,
- STATE_SYNC,
- STATE_HEADER,
- STATE_NEXT_SYNC,
- STATE_GET_DATA,
- STATE_SEND_DATA
-};
-
/****************************************************************************
* Local prototypes
****************************************************************************/
-static void *DecodeBlock ( decoder_t *, block_t ** );
+static block_t *DecodeBlock ( decoder_t *, block_t ** );
-static uint8_t *GetOutBuffer ( decoder_t *, block_t ** );
-static aout_buffer_t *GetAoutBuffer( decoder_t * );
-static block_t *GetSoutBuffer( decoder_t * );
+static uint8_t *GetOutBuffer ( decoder_t *, block_t ** );
+static block_t *GetAoutBuffer( decoder_t * );
+static block_t *GetSoutBuffer( decoder_t * );
/*****************************************************************************
* OpenCommon: probe the decoder/packetizer and return score
date_Set( &p_sys->end_date, 0 );
p_sys->i_pts = VLC_TS_INVALID;
- p_sys->bytestream = block_BytestreamInit();
+ block_BytestreamInit( &p_sys->bytestream );
/* Set output properties */
p_dec->fmt_out.i_cat = AUDIO_ES;
/* Set callback */
if( b_packetizer )
- p_dec->pf_packetize = (block_t *(*)(decoder_t *, block_t **))
- DecodeBlock;
+ p_dec->pf_packetize = DecodeBlock;
else
- p_dec->pf_decode_audio = (aout_buffer_t *(*)(decoder_t *, block_t **))
- DecodeBlock;
+ p_dec->pf_decode_audio = DecodeBlock;
return VLC_SUCCESS;
}
****************************************************************************
* This function is called just after the thread is launched.
****************************************************************************/
-static void *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
+static block_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
uint8_t p_header[VLC_A52_HEADER_SIZE];
return p_out_buffer;
}
}
-
- return NULL;
}
/*****************************************************************************
}
else
{
- aout_buffer_t *p_aout_buffer = GetAoutBuffer( p_dec );
+ block_t *p_aout_buffer = GetAoutBuffer( p_dec );
p_buf = p_aout_buffer ? p_aout_buffer->p_buffer : NULL;
*pp_out_buffer = p_aout_buffer;
}
/*****************************************************************************
* GetAoutBuffer:
*****************************************************************************/
-static aout_buffer_t *GetAoutBuffer( decoder_t *p_dec )
+static block_t *GetAoutBuffer( decoder_t *p_dec )
{
decoder_sys_t *p_sys = p_dec->p_sys;
- aout_buffer_t *p_buf;
-
- p_buf = decoder_NewAudioBuffer( p_dec, p_sys->frame.i_samples );
- if( p_buf == NULL ) return NULL;
- p_buf->i_pts = date_Get( &p_sys->end_date );
- p_buf->i_length = date_Increment( &p_sys->end_date,
- p_sys->frame.i_samples ) - p_buf->i_pts;
+ block_t *p_buf = decoder_NewAudioBuffer( p_dec, p_sys->frame.i_samples );
+ if( p_buf )
+ {
+ p_buf->i_pts = date_Get( &p_sys->end_date );
+ p_buf->i_length = date_Increment( &p_sys->end_date,
+ p_sys->frame.i_samples ) - p_buf->i_pts;
+ }
return p_buf;
}
static block_t *GetSoutBuffer( decoder_t *p_dec )
{
decoder_sys_t *p_sys = p_dec->p_sys;
- block_t *p_block;
-
- p_block = block_New( p_dec, p_sys->frame.i_size );
- if( p_block == NULL ) return NULL;
- p_block->i_pts = p_block->i_dts = date_Get( &p_sys->end_date );
-
- p_block->i_length =
- date_Increment( &p_sys->end_date, p_sys->frame.i_samples ) - p_block->i_pts;
+ block_t *p_block = block_Alloc( p_sys->frame.i_size );
+ if( p_block )
+ {
+ p_block->i_pts = p_block->i_dts = date_Get( &p_sys->end_date );
+ p_block->i_length =
+ date_Increment( &p_sys->end_date, p_sys->frame.i_samples ) - p_block->i_pts;
+ }
return p_block;
}