Added LPCM support. It should work with stereo LPCM.
Untested with 5-ways LPCM streams.

Makefile

@@ -77,7 +77,6 @@ AC3_SPDIF :=	src/ac3_spdif/ac3_spdif.o \
 		src/ac3_spdif/ac3_iec958.o
 
 LPCM_DECODER :=	src/lpcm_decoder/lpcm_decoder_thread.o \
-		src/lpcm_decoder/lpcm_decoder.o
 
 AUDIO_DECODER :=	src/audio_decoder/audio_decoder.o \
 			src/audio_decoder/adec_generic.o \

TODO

@@ -56,7 +56,7 @@ Description: Cope with vls/vlc clock jitter
  The internal clocks of the server and the client are not assured to be
  in perfect synchronization, which may be annoying when playing a movie.
  Reduce this jitter by using a well-chosen filter.
-Status: Todo
+Status: Done 1 May 2001 (henri)
 
 Task: 0x58
 Difficulty: Medium
@@ -541,7 +541,7 @@ Urgency: Normal
 Description: LPCM decoder
  The LPCM decoder is full of stubs, it only parses the stream
  but does not decode it. Fix this.
-Status: Todo
+Status: Done 12 Jun 2001 (henri)
 
 Task: 0x1c
 Difficulty: Guru

src/lpcm_decoder/lpcm_decoder.c

-/*****************************************************************************
- * lpcm_decoder.c: core lpcm decoder
- *****************************************************************************
- * Copyright (C) 1999, 2000 VideoLAN
- * $Id: lpcm_decoder.c,v 1.7 2001/04/06 09:15:48 sam Exp $
- *
- * Authors: Samuel Hocevar <sam@zoy.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, USA.
- *****************************************************************************/
-#include "defs.h"
-
-#include <stdio.h>
-#include <string.h>                                    /* memcpy(), memset() */
-
-#include "config.h"
-#include "common.h"
-#include "threads.h"
-#include "mtime.h"
-
-#include "intf_msg.h"
-
-//#include "int_types.h"
-#include "lpcm_decoder.h"
-
-int lpcm_init (lpcmdec_t * p_lpcmdec)
-{
-    intf_DbgMsg( "LPCM Debug: lpmcm init called" );
-    return 0;
-}
-
-int lpcm_decode_frame (lpcmdec_t * p_lpcmdec, s16 * buffer)
-{
-/*
- * XXX was part of ac3dec, is to change
-    
-    int i;
-
-    if (parse_bsi (p_ac3dec))
-        return 1;
-
-    for (i = 0; i < 6; i++) {
-        if (parse_audblk (p_ac3dec, i))
-            return 1;
-        if (exponent_unpack (p_ac3dec))
-            return 1;
-        bit_allocate (p_ac3dec);
-        mantissa_unpack (p_ac3dec);
-        if  (p_ac3dec->bsi.acmod == 0x2)
-            rematrix (p_ac3dec);
-        imdct (p_ac3dec);
-        downmix (p_ac3dec, buffer);
-
-        buffer += 2*256;
-    }
-
-    parse_auxdata (p_ac3dec);
-*/
-    
-    return 0;
-}

src/lpcm_decoder/lpcm_decoder.h

-/*****************************************************************************
- * lpcm_decoder.h : lpcm decoder interface
- *****************************************************************************
- * Copyright (C) 1999, 2000 VideoLAN
- * $Id: lpcm_decoder.h,v 1.3 2001/03/21 13:42:34 sam Exp $
- *
- * Authors: Samuel Hocevar <sam@zoy.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.
- *****************************************************************************/
-
-typedef struct lpcmdec_s lpcmdec_t;
-
-typedef struct lpcm_sync_info_s {
-    int sample_rate;    /* sample rate in Hz */
-    int frame_size;     /* frame size in bytes */
-    int bit_rate;       /* nominal bit rate in kbps */
-} lpcm_sync_info_t;
-
-typedef struct lpcm_byte_stream_s {
-    u8 * p_byte;
-    u8 * p_end;
-    void * info;
-} lpcm_byte_stream_t;
-
-
-int lpcm_init (lpcmdec_t * p_lpcmdec);
-int lpcm_sync_frame (lpcmdec_t * p_lpcmdec, lpcm_sync_info_t * p_sync_info);
-int lpcm_decode_frame (lpcmdec_t * p_lcpmdec, s16 * buffer);
-//static lpcm_byte_stream_t * lpcm_byte_stream (lcpmdec_t * p_lpcmdec);
-
-
-void lpcm_byte_stream_next (lpcm_byte_stream_t * p_byte_stream);
-
-typedef struct lpcm_bit_stream_s {
-    u32 buffer;
-    int i_available;
-    lpcm_byte_stream_t byte_stream;
-
-} lpcm_bit_stream_t;
-
-struct lpcmdec_s {
-    /*
-     * Input properties
-     */
-
-    /* The bit stream structure handles the PES stream at the bit level */
-    lpcm_bit_stream_t bit_stream;
-};
-
-
-static lpcm_byte_stream_t * lpcm_byte_stream (lpcmdec_t * p_lpcmdec)
-{
-    return &(p_lpcmdec->bit_stream.byte_stream);
-}

src/lpcm_decoder/lpcm_decoder_thread.h

@@ -2,7 +2,7 @@
  * lpcm_decoder_thread.h : lpcm decoder thread interface
  *****************************************************************************
  * Copyright (C) 1999, 2000 VideoLAN
- * $Id: lpcm_decoder_thread.h,v 1.5 2001/05/01 04:18:18 sam Exp $
+ * $Id: lpcm_decoder_thread.h,v 1.6 2001/06/12 13:50:09 henri Exp $
  *
  * Authors: Samuel Hocevar <sam@zoy.org>
  *
@@ -22,6 +22,8 @@
  * Boston, MA 02111-1307, USA.
  *****************************************************************************/
 
+#define LPCMDEC_FRAME_SIZE (2008)
+
 /*****************************************************************************
  * lpcmdec_thread_t : lpcm decoder thread descriptor
  *****************************************************************************/
@@ -40,20 +42,17 @@ typedef struct lpcmdec_thread_s
     int                 sync_ptr;         /* sync ptr from lpcm magic header */
     adec_config_t *     p_config;
 
-    /*
-     * Decoder properties
-     */
-    lpcmdec_t            lpcm_decoder;
-
     /*
      * Output properties
      */
     aout_fifo_t *       p_aout_fifo; /* stores the decompressed audio frames */
 
+    /* The bit stream structure handles the PES stream at the bit level */
+    bit_stream_t bit_stream;
+
 } lpcmdec_thread_t;
 
 /*****************************************************************************
  * Prototypes
  *****************************************************************************/
 vlc_thread_t            lpcmdec_CreateThread( adec_config_t * p_config );
-