* all : mpeg_audio decoder works now with aout3.

diff --git a/configure b/configure
index 2904af0f8e26b50005667f363ffbb50ff353b02a..33897249f95d830cf3fdd4df4928093d54ddd0a8 100755 (executable)
--- a/configure
+++ b/configure
@@ -5667,8 +5667,8 @@ BUILTINS="${BUILTINS}"
 PLUGINS="${PLUGINS} misc/dummy/dummy misc/null/null"
 PLUGINS="${PLUGINS} control/rc/rc misc/logger/logger access/file access/udp access/http access/rtp misc/network/ipv4 misc/memcpy/memcpy"
 PLUGINS="${PLUGINS} demux/mpeg/es demux/mpeg/audio demux/mpeg/mpeg_system demux/mpeg/ps demux/mpeg/ts"
-PLUGINS="${PLUGINS} codec/mpeg_video/idct/idct codec/mpeg_video/idct/idctclassic codec/mpeg_video/motion/motion codec/mpeg_video/mpeg_video codec/spudec/spudec codec/spdif"
-#PLUGINS="${PLUGINS} codec/a52old/imdct/imdct codec/a52old/downmix/downmix codec/mpeg_audio/mpeg_audio codec/a52old/a52old codec/lpcm/lpcm"
+PLUGINS="${PLUGINS} codec/mpeg_video/idct/idct codec/mpeg_video/idct/idctclassic codec/mpeg_video/motion/motion codec/mpeg_video/mpeg_video codec/spudec/spudec codec/spdif codec/mpeg_audio/mpeg_audio"
+#PLUGINS="${PLUGINS} codec/a52old/imdct/imdct codec/a52old/downmix/downmix codec/a52old/a52old codec/lpcm/lpcm"
 PLUGINS="${PLUGINS} video_filter/deinterlace/deinterlace video_filter/invert video_filter/wall video_filter/transform video_filter/distort video_filter/clone video_filter/crop"
 PLUGINS="${PLUGINS} audio_filter/converter/float32tos16 audio_filter/converter/float32tos8 audio_filter/converter/float32tou16 audio_filter/converter/float32tou8 audio_filter/converter/a52tospdif"
 PLUGINS="${PLUGINS} audio_filter/resampler/trivial"

diff --git a/configure.in b/configure.in
index 05c6bea0546be99330d19b859640f15744f4e1f4..74b52b852a100b6d1054f7b421fad1e64c27255b 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -441,8 +441,8 @@ BUILTINS="${BUILTINS}"
 PLUGINS="${PLUGINS} misc/dummy/dummy misc/null/null"
 PLUGINS="${PLUGINS} control/rc/rc misc/logger/logger access/file access/udp access/http access/rtp misc/network/ipv4 misc/memcpy/memcpy"
 PLUGINS="${PLUGINS} demux/mpeg/es demux/mpeg/audio demux/mpeg/mpeg_system demux/mpeg/ps demux/mpeg/ts"
-PLUGINS="${PLUGINS} codec/mpeg_video/idct/idct codec/mpeg_video/idct/idctclassic codec/mpeg_video/motion/motion codec/mpeg_video/mpeg_video codec/spudec/spudec codec/spdif"
-#PLUGINS="${PLUGINS} codec/a52old/imdct/imdct codec/a52old/downmix/downmix codec/mpeg_audio/mpeg_audio codec/a52old/a52old codec/lpcm/lpcm"
+PLUGINS="${PLUGINS} codec/mpeg_video/idct/idct codec/mpeg_video/idct/idctclassic codec/mpeg_video/motion/motion codec/mpeg_video/mpeg_video codec/spudec/spudec codec/spdif codec/mpeg_audio/mpeg_audio"
+#PLUGINS="${PLUGINS} codec/a52old/imdct/imdct codec/a52old/downmix/downmix codec/a52old/a52old codec/lpcm/lpcm"
 PLUGINS="${PLUGINS} video_filter/deinterlace/deinterlace video_filter/invert video_filter/wall video_filter/transform video_filter/distort video_filter/clone video_filter/crop"
 PLUGINS="${PLUGINS} audio_filter/converter/float32tos16 audio_filter/converter/float32tos8 audio_filter/converter/float32tou16 audio_filter/converter/float32tou8 audio_filter/converter/a52tospdif"
 PLUGINS="${PLUGINS} audio_filter/resampler/trivial"

diff --git a/modules/codec/mpeg_audio/decoder.c b/modules/codec/mpeg_audio/decoder.c
index 627c68180bb254be9be26b5070b824af8425d2df..b1818940ef1709647dc1968d0eba386396fa83f0 100644 (file)
--- a/modules/codec/mpeg_audio/decoder.c
+++ b/modules/codec/mpeg_audio/decoder.c
@@ -2,7 +2,7 @@
  * decoder.c: MPEG audio decoder thread
  *****************************************************************************
  * Copyright (C) 1999-2001 VideoLAN
- * $Id: decoder.c,v 1.1 2002/08/04 17:23:42 sam Exp $
+ * $Id: decoder.c,v 1.2 2002/08/17 15:35:10 fenrir Exp $
  *
  * Authors: Michel Kaempf <maxx@via.ecp.fr>
  *          Michel Lespinasse <walken@via.ecp.fr>
@@ -37,7 +37,7 @@
 #include "generic.h"
 #include "decoder.h"
 
-#define ADEC_FRAME_SIZE (2*1152)
+#define ADEC_FRAME_SIZE 1152 /* XXX Frame size for only one channel */
 
 /*****************************************************************************
  * Local Prototypes
@@ -113,7 +113,9 @@ static int RunDecoder( decoder_fifo_t *p_fifo )
 
     /* We do not create the audio output fifo now, but
        it will be created when the first frame is received */
-    p_adec->p_aout_fifo = NULL;
+    p_adec->p_aout = NULL;
+    p_adec->p_aout_input = NULL;
+    p_adec->i_pts = 0;
 
     p_adec->i_sync = 0;
 
@@ -144,69 +146,74 @@ static int RunDecoder( decoder_fifo_t *p_fifo )
  *****************************************************************************/
 static void DecodeThread( adec_thread_t * p_adec )
 {
-    s16 *p_buffer;
-    adec_sync_info_t sync_info;
+    mtime_t i_pts;
+    aout_buffer_t *p_aout_buffer;
 
+    adec_sync_info_t sync_info;
+    
     if( ! adec_SyncFrame (p_adec, &sync_info) )
     {
         
-        /* TODO: check if audio type has changed */
-        
         /* Create the output fifo if it doesn't exist yet */
-        if( p_adec->p_aout_fifo == NULL )
+        if( ( p_adec->p_aout_input == NULL )||
+            ( p_adec->output_format.i_channels != ( sync_info.b_stereo ? 2 : 1 ) )||
+            ( p_adec->output_format.i_rate != sync_info.sample_rate ) )
         {
-            int i_channels;
-            
-            if( !config_GetInt( p_adec->p_fifo, "mono" ) )
-            {
-                msg_Dbg( p_adec->p_fifo, "setting stereo output" );
-                i_channels = 2;
-            }
-            else if( sync_info.b_stereo )
+            if( p_adec->p_aout_input )
             {
-                i_channels = 2;
-            }
-            else
-            {
-                i_channels = 1;
-            }
-            p_adec->p_aout_fifo =
-               aout_CreateFifo( p_adec->p_fifo, AOUT_FIFO_PCM, i_channels,
-                                sync_info.sample_rate, ADEC_FRAME_SIZE, NULL );
-            if( p_adec->p_aout_fifo == NULL)
-            {
-                msg_Err( p_adec->p_fifo, "failed to create aout fifo" );
-                p_adec->p_fifo->b_error = 1;
-                return;
+                /* Delete old output */
+                msg_Warn( p_adec->p_fifo, "opening a new aout" );
+                aout_InputDelete( p_adec->p_aout, p_adec->p_aout_input );
             }
+
+            /* Set output configuration */
+            p_adec->output_format.i_format   = AOUT_FMT_FLOAT32;
+            p_adec->output_format.i_channels = ( sync_info.b_stereo ? 2 : 1 );
+            p_adec->output_format.i_rate     = sync_info.sample_rate;
+            p_adec->p_aout_input = aout_InputNew( p_adec->p_fifo,
+                                                  &p_adec->p_aout,
+                                                  &p_adec->output_format );
         }
 
-        p_adec->i_sync = 1;
+        if( p_adec->p_aout_input == NULL )
+        {
+            msg_Err( p_adec->p_fifo, "failed to create aout fifo" );
+            p_adec->p_fifo->b_error = 1;
+            return;
+        }
 
-        p_buffer = ((s16 *)p_adec->p_aout_fifo->buffer)
-                    + (p_adec->p_aout_fifo->i_end_frame * ADEC_FRAME_SIZE);
+        p_aout_buffer = aout_BufferNew( p_adec->p_aout,
+                                        p_adec->p_aout_input,
+                                        ADEC_FRAME_SIZE );
+        if( !p_aout_buffer )
+        {
+            msg_Err( p_adec->p_fifo, "cannot get aout buffer" );
+            p_adec->p_fifo->b_error = 1;
+            return;
+        }
 
-        CurrentPTS( &p_adec->bit_stream,
-            &p_adec->p_aout_fifo->date[p_adec->p_aout_fifo->i_end_frame],
-            NULL );
-        if( !p_adec->p_aout_fifo->date[p_adec->p_aout_fifo->i_end_frame] )
+        p_adec->i_sync = 1;
+
+        
+        CurrentPTS( &p_adec->bit_stream, &i_pts, NULL );
+        if( i_pts > 0 )
         {
-            p_adec->p_aout_fifo->date[p_adec->p_aout_fifo->i_end_frame] =
-                LAST_MDATE;
+            p_adec->i_pts = i_pts;
         }
+        p_aout_buffer->start_date = p_adec->i_pts;
+        p_adec->i_pts += (mtime_t)1000000 * (mtime_t)ADEC_FRAME_SIZE /
+                            (mtime_t)p_adec->output_format.i_rate;
+        p_aout_buffer->end_date = p_adec->i_pts;
 
-        if( adec_DecodeFrame (p_adec, p_buffer) )
+        if( adec_DecodeFrame (p_adec, (float*)p_aout_buffer->p_buffer ) )
         {
             /* Ouch, failed decoding... We'll have to resync */
             p_adec->i_sync = 0;
+            aout_BufferDelete( p_adec->p_aout, p_adec->p_aout_input, p_aout_buffer );
         }
         else
         {
-            vlc_mutex_lock (&p_adec->p_aout_fifo->data_lock);
-            p_adec->p_aout_fifo->i_end_frame =
-                (p_adec->p_aout_fifo->i_end_frame + 1) & AOUT_FIFO_SIZE;
-            vlc_cond_signal (&p_adec->p_aout_fifo->data_wait);
-            vlc_mutex_unlock (&p_adec->p_aout_fifo->data_lock);
+            aout_BufferPlay( p_adec->p_aout, p_adec->p_aout_input, p_aout_buffer );
         }
     }
 }
@@ -220,15 +227,12 @@ static void DecodeThread( adec_thread_t * p_adec )
 static void EndThread ( adec_thread_t *p_adec )
 {
     /* If the audio output fifo was created, we destroy it */
-    if ( p_adec->p_aout_fifo != NULL ) 
+    if( p_adec->p_aout_input )
     {
-        aout_DestroyFifo ( p_adec->p_aout_fifo );
-
-        /* Make sure the output thread leaves the NextFrame() function */
-        vlc_mutex_lock (&(p_adec->p_aout_fifo->data_lock));
-        vlc_cond_signal (&(p_adec->p_aout_fifo->data_wait));
-        vlc_mutex_unlock (&(p_adec->p_aout_fifo->data_lock));
+        aout_InputDelete( p_adec->p_aout, p_adec->p_aout_input );
+        
     }
+
     /* Destroy descriptor */
     free( p_adec );
 }

diff --git a/modules/codec/mpeg_audio/decoder.h b/modules/codec/mpeg_audio/decoder.h
index f7fb7592489f2c720ac9455bd3903bb1ddc1ab99..a61ac11940ed38e90bc35a44024c7bb55a5b9cf6 100644 (file)
--- a/modules/codec/mpeg_audio/decoder.h
+++ b/modules/codec/mpeg_audio/decoder.h
@@ -2,7 +2,7 @@
  * mpeg_adec.h : audio decoder thread interface
  *****************************************************************************
  * Copyright (C) 1999, 2000 VideoLAN
- * $Id: decoder.h,v 1.1 2002/08/04 17:23:42 sam Exp $
+ * $Id: decoder.h,v 1.2 2002/08/17 15:35:10 fenrir Exp $
  *
  * Authors: Michel Kaempf <maxx@via.ecp.fr>
  *
@@ -49,8 +49,11 @@ typedef struct adec_thread_s
     /*
      * Output properties
      */
-    aout_fifo_t *       p_aout_fifo;   /* stores the decompressed frames */
-
+    aout_instance_t     *p_aout;       /* opaque */
+    aout_input_t        *p_aout_input; /* opaque */
+    audio_sample_format_t output_format;
+    mtime_t             i_pts;
+            
 } adec_thread_t;
 
 /*****************************************************************************
@@ -61,5 +64,5 @@ typedef struct adec_thread_s
  * From adec_generic.c
  */
 int adec_SyncFrame( adec_thread_t *, adec_sync_info_t * );
-int adec_DecodeFrame( adec_thread_t * , s16 * );
+int adec_DecodeFrame( adec_thread_t * , float * );
 

diff --git a/modules/codec/mpeg_audio/generic.c b/modules/codec/mpeg_audio/generic.c
index 17592fbd8211172ef7a99641ed2c7c6fb6d19f4b..fef34bad710d0fa4f588e045b713acef9346b9ba 100644 (file)
--- a/modules/codec/mpeg_audio/generic.c
+++ b/modules/codec/mpeg_audio/generic.c
@@ -2,7 +2,7 @@
  * generic.c: MPEG audio decoder
  *****************************************************************************
  * Copyright (C) 1999-2001 VideoLAN
- * $Id: generic.c,v 1.1 2002/08/04 17:23:42 sam Exp $
+ * $Id: generic.c,v 1.2 2002/08/17 15:35:10 fenrir Exp $
  *
  * Authors: Michel Kaempf <maxx@via.ecp.fr>
  *          Michel Lespinasse <walken@via.ecp.fr>
@@ -26,6 +26,7 @@
 #include <string.h>                                    /* memcpy(), memset() */
 
 #include <vlc/vlc.h>
+#include <vlc/aout.h>
 #include <vlc/decoder.h>
 
 #include "generic.h"
@@ -182,7 +183,7 @@ int adec_SyncFrame( adec_thread_t * p_adec, adec_sync_info_t * p_sync_info )
     return 0;
 }
 
-int adec_DecodeFrame( adec_thread_t * p_adec, s16 * buffer )
+int adec_DecodeFrame( adec_thread_t * p_adec, float * buffer )
 {
     int i_total_bytes_read;
 

diff --git a/modules/codec/mpeg_audio/layer1.c b/modules/codec/mpeg_audio/layer1.c
index 8f491ef92af136cf740716a25d7469aeafc0c039..1ca04e961082488fa6c07e587f8d162f5807aefb 100644 (file)
--- a/modules/codec/mpeg_audio/layer1.c
+++ b/modules/codec/mpeg_audio/layer1.c
@@ -2,7 +2,7 @@
  * layer1.c: MPEG Layer I audio decoder
  *****************************************************************************
  * Copyright (C) 1999-2001 VideoLAN
- * $Id: layer1.c,v 1.2 2002/08/08 00:35:11 sam Exp $
+ * $Id: layer1.c,v 1.3 2002/08/17 15:35:10 fenrir Exp $
  *
  * Authors: Michel Kaempf <maxx@via.ecp.fr>
  *          Michel Lespinasse <walken@via.ecp.fr>
@@ -27,7 +27,7 @@
 
 #include <vlc/vlc.h>
 #include <vlc/decoder.h>
-
+#include <vlc/aout.h>
 #include "generic.h"
 #include "decoder.h"
 #include "math.h"                                          /* DCT32(), PCM() */
@@ -85,7 +85,7 @@ static u8 adec_layer1_allocation_table[15] =
 
 static int adec_bound_table[4] = { 4, 8, 12, 16 };
 
-int adec_layer1_mono( adec_thread_t * p_adec, s16 * buffer )
+int adec_layer1_mono( adec_thread_t * p_adec, float * buffer )
 {
     u8 allocation[32];
     float slope[32];
@@ -178,7 +178,7 @@ int adec_layer1_mono( adec_thread_t * p_adec, s16 * buffer )
     return 0;
 }
 
-int adec_layer1_stereo( adec_thread_t * p_adec, s16 * buffer )
+int adec_layer1_stereo( adec_thread_t * p_adec, float * buffer )
 {
     u8 allocation_0[32], allocation_1[32];
     float slope_0[32], slope_1[32];

diff --git a/modules/codec/mpeg_audio/layer1.h b/modules/codec/mpeg_audio/layer1.h
index 0e446302bc93b8ce40257e1f1b53191f0442f2fc..24d4cc6ec10ff45a8e715a76bea53ecbc1bde7c0 100644 (file)
--- a/modules/codec/mpeg_audio/layer1.h
+++ b/modules/codec/mpeg_audio/layer1.h
@@ -2,7 +2,7 @@
  * adec_layer1.h: MPEG Layer I audio decoder
  *****************************************************************************
  * Copyright (C) 1999, 2000 VideoLAN
- * $Id: layer1.h,v 1.1 2002/08/04 17:23:42 sam Exp $
+ * $Id: layer1.h,v 1.2 2002/08/17 15:35:10 fenrir Exp $
  *
  * Authors: Michel Kaempf <maxx@via.ecp.fr>
  *
@@ -21,6 +21,6 @@
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  *****************************************************************************/
 
-int adec_layer1_mono( adec_thread_t * p_adec, s16 * buffer );
-int adec_layer1_stereo (adec_thread_t * p_adec, s16 * buffer);
+int adec_layer1_mono( adec_thread_t * p_adec, float * buffer );
+int adec_layer1_stereo (adec_thread_t * p_adec, float * buffer);
 

diff --git a/modules/codec/mpeg_audio/layer2.c b/modules/codec/mpeg_audio/layer2.c
index 2b908582703bbdeb226d99063da2e39546f20f52..a37dab6ff1b0fa61e23b71bb1e71be004d855425 100644 (file)
--- a/modules/codec/mpeg_audio/layer2.c
+++ b/modules/codec/mpeg_audio/layer2.c
@@ -2,7 +2,7 @@
  * layer2.c: MPEG Layer II audio decoder
  *****************************************************************************
  * Copyright (C) 1999-2001 VideoLAN
- * $Id: layer2.c,v 1.2 2002/08/08 00:35:11 sam Exp $
+ * $Id: layer2.c,v 1.3 2002/08/17 15:35:10 fenrir Exp $
  *
  * Authors: Michel Kaempf <maxx@via.ecp.fr>
  *          Michel Lespinasse <walken@via.ecp.fr>
@@ -27,7 +27,7 @@
 
 #include <vlc/vlc.h>
 #include <vlc/decoder.h>
-
+#include <vlc/aout.h>
 #include "generic.h"
 #include "decoder.h"
 #include "math.h"                                          /* DCT32(), PCM() */
@@ -184,7 +184,7 @@ static void adec_layer2_get_table( u32 header, u8 freq_table[15],
     *sblimit = sblimit_table[index];
 }
 
-int adec_layer2_mono( adec_thread_t * p_adec, s16 * buffer )
+int adec_layer2_mono( adec_thread_t * p_adec, float * buffer )
 {
     static u8 freq_table[15] = {2, 1, 1, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2};
     static float L3_table[3] = {-2/3.0, 0, 2/3.0};
@@ -450,7 +450,7 @@ int adec_layer2_mono( adec_thread_t * p_adec, s16 * buffer )
     return 0;
 }
 
-int adec_layer2_stereo( adec_thread_t * p_adec, s16 * buffer )
+int adec_layer2_stereo( adec_thread_t * p_adec, float * buffer )
 {
     static u8 freq_table[15] = {3, 0, 0, 0, 1, 0, 1, 2, 2, 2, 3, 3, 3, 3, 3};
     static float L3_table[3] = {-2/3.0, 0, 2/3.0};

diff --git a/modules/codec/mpeg_audio/layer2.h b/modules/codec/mpeg_audio/layer2.h
index 7df1c6be74ebe716e03168f4cb20914927ce0b13..4612dac9b5404691b7d295934767c3c3193b49ab 100644 (file)
--- a/modules/codec/mpeg_audio/layer2.h
+++ b/modules/codec/mpeg_audio/layer2.h
@@ -2,7 +2,7 @@
  * adec_layer2.h: MPEG Layer II audio decoder
  *****************************************************************************
  * Copyright (C) 1999, 2000 VideoLAN
- * $Id: layer2.h,v 1.1 2002/08/04 17:23:42 sam Exp $
+ * $Id: layer2.h,v 1.2 2002/08/17 15:35:10 fenrir Exp $
  *
  * Authors: Michel Kaempf <maxx@via.ecp.fr>
  *
@@ -21,6 +21,6 @@
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  *****************************************************************************/
 
-int adec_layer2_mono   ( adec_thread_t * p_adec, s16 * buffer );
-int adec_layer2_stereo ( adec_thread_t * p_adec, s16 * buffer );
+int adec_layer2_mono   ( adec_thread_t * p_adec, float * buffer );
+int adec_layer2_stereo ( adec_thread_t * p_adec, float * buffer );
 

diff --git a/modules/codec/mpeg_audio/math.c b/modules/codec/mpeg_audio/math.c
index 59a739d4e1313ff86a51e0ccaa5804466c2b3afe..03fc4d5b30a7ff3766a51028260a4dee2ce93317 100644 (file)
--- a/modules/codec/mpeg_audio/math.c
+++ b/modules/codec/mpeg_audio/math.c
@@ -2,7 +2,7 @@
  * math.c: Inverse Discrete Cosine Transform and Pulse Code Modulation
  *****************************************************************************
  * Copyright (C) 1999, 2000 VideoLAN
- * $Id: math.c,v 1.2 2002/08/08 00:35:11 sam Exp $
+ * $Id: math.c,v 1.3 2002/08/17 15:35:10 fenrir Exp $
  *
  * Authors: Michel Kaempf <maxx@via.ecp.fr>
  *          Michel Lespinasse <walken@via.ecp.fr>
@@ -312,10 +312,10 @@ void DCT32( adec_bank_t *b, float *x )
  * Compute 32 PCM samples with a convolution product
  *****************************************************************************/
 
-void PCM(adec_bank_t *b, s16 *p_pcm, int jump)
+void PCM(adec_bank_t *b, float *p_pcm, int jump)
 {
     /* scale factor */
-#define F -32768
+#define F -1 //-32768
     /* These values are not in the same order as in Annex 3-B.3 of the ISO/IEC
        DIS 11172-3 */
     static const float c[512] =
@@ -478,19 +478,19 @@ void PCM(adec_bank_t *b, s16 *p_pcm, int jump)
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
-                if ((tmp += *f++ * *v) > 32767)
+                if ((tmp += *f++ * *v) > 1.0)
                 {
                     /* ceiling saturation */
-                    *p_pcm = 32767; /* 0x7ffff */
+                    *p_pcm = 1.0; 
                 }
-                else if (tmp < -32768)
+                else if (tmp < -1.0)
                 {
                     /* floor saturation */
-                    *p_pcm = -32768; /* 0x8000 */
+                    *p_pcm = -1.0; 
                 }
                 else
                 {
-                    *p_pcm = (s16)tmp;
+                    *p_pcm = tmp;
                 }
                 p_pcm += jump;
                 v += 15;
@@ -516,17 +516,17 @@ void PCM(adec_bank_t *b, s16 *p_pcm, int jump)
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
-                if ((tmp += *f++ * *v) > 32767)
+                if ((tmp += *f++ * *v) > 1.0)
                 {
-                    *p_pcm = 32767; /* 0x7ffff */
+                    *p_pcm = 1.0;
                 }
-                else if (tmp < -32768)
+                else if (tmp < -1.0)
                 {
-                    *p_pcm = -32768; /* 0x8000 */
+                    *p_pcm = -1.0; 
                 }
                 else
                 {
-                    *p_pcm = (s16)tmp;
+                    *p_pcm = tmp;
                 }
                 p_pcm += jump;
                 v += 15;
@@ -552,17 +552,17 @@ void PCM(adec_bank_t *b, s16 *p_pcm, int jump)
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
-                if ((tmp += *f++ * *v) > 32767)
+                if ((tmp += *f++ * *v) > 1.0)
                 {
-                    *p_pcm = 32767; /* 0x7ffff */
+                    *p_pcm = 1.0; 
                 }
-                else if (tmp < -32768)
+                else if (tmp < -1.0)
                 {
-                    *p_pcm = -32768; /* 0x8000 */
+                    *p_pcm = -1.0; 
                 }
                 else
                 {
-                    *p_pcm = (s16)tmp;
+                    *p_pcm = tmp;
                 }
                 p_pcm += jump;
                 v += 15;
@@ -588,17 +588,17 @@ void PCM(adec_bank_t *b, s16 *p_pcm, int jump)
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
-                if ((tmp += *f++ * *v) > 32767)
+                if ((tmp += *f++ * *v) > 1.0)
                 {
-                    *p_pcm = 32767; /* 0x7ffff */
+                    *p_pcm = 1.0; 
                 }
-                else if (tmp < -32768)
+                else if (tmp < -1.0)
                 {
-                    *p_pcm = -32768; /* 0x8000 */
+                    *p_pcm = -1.0; 
                 }
                 else
                 {
-                    *p_pcm = (s16)tmp;
+                    *p_pcm = tmp;
                 }
                 p_pcm += jump;
                 v += 15;
@@ -624,17 +624,17 @@ void PCM(adec_bank_t *b, s16 *p_pcm, int jump)
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
-                if ((tmp += *f++ * *v) > 32767)
+                if ((tmp += *f++ * *v) > 1.0)
                 {
-                    *p_pcm = 32767; /* 0x7ffff */
+                    *p_pcm = 1.0; 
                 }
-                else if (tmp < -32768)
+                else if (tmp < -1.0)
                 {
-                    *p_pcm = -32768; /* 0x8000 */
+                    *p_pcm = -1.0; 
                 }
                 else
                 {
-                    *p_pcm = (s16)tmp;
+                    *p_pcm = tmp;
                 }
                 p_pcm += jump;
                 v += 15;
@@ -660,17 +660,17 @@ void PCM(adec_bank_t *b, s16 *p_pcm, int jump)
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
-                if ((tmp += *f++ * *v) > 32767)
+                if ((tmp += *f++ * *v) > 1.0)
                 {
-                    *p_pcm = 32767; /* 0x7ffff */
+                    *p_pcm = 1.0;
                 }
-                else if (tmp < -32768)
+                else if (tmp < -1.0)
                 {
-                    *p_pcm = -32768; /* 0x8000 */
+                    *p_pcm = -1.0; 
                 }
                 else
                 {
-                    *p_pcm = (s16)tmp;
+                    *p_pcm = tmp;
                 }
                 p_pcm += jump;
                 v += 15;
@@ -696,17 +696,17 @@ void PCM(adec_bank_t *b, s16 *p_pcm, int jump)
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
-                if ((tmp += *f++ * *v) > 32767)
+                if ((tmp += *f++ * *v) > 1.0)
                 {
-                    *p_pcm = 32767; /* 0x7ffff */
+                    *p_pcm = 1.0; 
                 }
-                else if (tmp < -32768)
+                else if (tmp < -1.0)
                 {
-                    *p_pcm = -32768; /* 0x8000 */
+                    *p_pcm = -1.0; 
                 }
                 else
                 {
-                    *p_pcm = (s16)tmp;
+                    *p_pcm = tmp;
                 }
                 p_pcm += jump;
                 v += 15;
@@ -732,17 +732,17 @@ void PCM(adec_bank_t *b, s16 *p_pcm, int jump)
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
-                if ((tmp += *f++ * *v) > 32767)
+                if ((tmp += *f++ * *v) > 1.0)
                 {
-                    *p_pcm = 32767; /* 0x7ffff */
+                    *p_pcm = 1.0; 
                 }
-                else if (tmp < -32768)
+                else if (tmp < -1.0)
                 {
-                    *p_pcm = -32768; /* 0x8000 */
+                    *p_pcm = -1.0; 
                 }
                 else
                 {
-                     *p_pcm = (s16)tmp;
+                     *p_pcm = tmp;
                 }
                 p_pcm += jump;
                 v += 15;
@@ -768,17 +768,17 @@ void PCM(adec_bank_t *b, s16 *p_pcm, int jump)
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
-                if ((tmp += *f++ * *v) > 32767)
+                if ((tmp += *f++ * *v) > 1.0)
                 {
-                    *p_pcm = 32767; /* 0x7ffff */
+                    *p_pcm = 1.0;
                 }
-                else if (tmp < -32768)
+                else if (tmp < -1.0)
                 {
-                    *p_pcm = -32768; /* 0x8000 */
+                    *p_pcm = -1.0; 
                 }
                 else
                 {
-                    *p_pcm = (s16)tmp;
+                    *p_pcm = tmp;
                 }
                 p_pcm += jump;
                 v += 15;
@@ -804,17 +804,17 @@ void PCM(adec_bank_t *b, s16 *p_pcm, int jump)
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
-                if ((tmp += *f++ * *v) > 32767)
+                if ((tmp += *f++ * *v) > 1.0)
                 {
-                    *p_pcm = 32767; /* 0x7ffff */
+                    *p_pcm = 1.0; 
                 }
-                else if (tmp < -32768)
+                else if (tmp < -1.0)
                 {
-                    *p_pcm = -32768; /* 0x8000 */
+                    *p_pcm = -1.0; 
                 }
                 else
                 {
-                    *p_pcm = (s16)tmp;
+                    *p_pcm = tmp;
                 } 
                 p_pcm += jump;
                 v += 15;
@@ -840,17 +840,17 @@ void PCM(adec_bank_t *b, s16 *p_pcm, int jump)
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
-                if ((tmp += *f++ * *v) > 32767)
+                if ((tmp += *f++ * *v) > 1.0)
                 {
-                    *p_pcm = 32767; /* 0x7ffff */
+                    *p_pcm = 1.0; 
                 }
-                else if (tmp < -32768)
+                else if (tmp < -1.0)
                 {    
-                    *p_pcm = -32768; /* 0x8000 */
+                    *p_pcm = -1.0; 
                 }
                 else
                 {
-                    *p_pcm = (s16)tmp;
+                    *p_pcm = tmp;
                 }
                 p_pcm += jump;
                 v += 15;
@@ -876,17 +876,17 @@ void PCM(adec_bank_t *b, s16 *p_pcm, int jump)
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
-                if ((tmp += *f++ * *v) > 32767)
+                if ((tmp += *f++ * *v) > 1.0)
                 {
-                    *p_pcm = 32767; /* 0x7ffff */
+                    *p_pcm = 1.0; 
                 }
-                else if (tmp < -32768)
+                else if (tmp < -1.0)
                 {
-                    *p_pcm = -32768; /* 0x8000 */
+                    *p_pcm = -1.0; 
                 }
                 else
                 {
-                    *p_pcm = (s16)tmp;
+                    *p_pcm = tmp;
                 }
                 p_pcm += jump;
                 v += 15;
@@ -912,17 +912,17 @@ void PCM(adec_bank_t *b, s16 *p_pcm, int jump)
                 v += 15;
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
-                if ((tmp += *f++ * *v) > 32767)
+                if ((tmp += *f++ * *v) > 1.0)
                 {
-                    *p_pcm = 32767; /* 0x7ffff */
+                    *p_pcm = 1.0; 
                 }
-                else if (tmp < -32768)
+                else if (tmp < -1.0)
                 {
-                    *p_pcm = -32768; /* 0x8000 */
+                    *p_pcm = -1.0; 
                 }
                 else
                 {
-                    *p_pcm = (s16)tmp;
+                    *p_pcm = tmp;
                 }
                 p_pcm += jump;
                 v += 15;
@@ -948,17 +948,17 @@ void PCM(adec_bank_t *b, s16 *p_pcm, int jump)
                 tmp += *f++ * *v;
                 v += 15;
                 tmp += *f++ * *v--;
-                if ((tmp += *f++ * *v) > 32767)
+                if ((tmp += *f++ * *v) > 1.0)
                 {
-                    *p_pcm = 32767; /* 0x7ffff */
+                    *p_pcm = 1.0; 
                 }
-                else if (tmp < -32768)
+                else if (tmp < -1.0)
                 {
-                    *p_pcm = -32768; /* 0x8000 */
+                    *p_pcm = -1.0; 
                 }
                 else
                 {
-                    *p_pcm = (s16)tmp;
+                    *p_pcm = tmp;
                 }
                 p_pcm += jump;
                 v += 15;
@@ -984,17 +984,17 @@ void PCM(adec_bank_t *b, s16 *p_pcm, int jump)
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v;
                 v += 15;
-                if ((tmp += *f++ * *v) > 32767)
+                if ((tmp += *f++ * *v) > 1.0)
                 {
-                    *p_pcm = 32767; /* 0x7ffff */
+                    *p_pcm = 1.0;
                 }
-                else if (tmp < -32768)
+                else if (tmp < -1.0)
                 {
-                    *p_pcm = -32768; /* 0x8000 */
+                    *p_pcm = -1.0;
                 }
                 else
                 {
-                    *p_pcm = (s16)tmp;
+                    *p_pcm = tmp;
                 }
                 p_pcm += jump;
                 v += 15;
@@ -1019,17 +1019,17 @@ void PCM(adec_bank_t *b, s16 *p_pcm, int jump)
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
                 tmp += *f++ * *v--;
-                if ((tmp += *f++ * *v) > 32767)
+                if ((tmp += *f++ * *v) > 1.0)
                 {
-                    *p_pcm = 32767; /* 0x7ffff */
+                    *p_pcm = 1.0; 
                 }
-                else if (tmp < -32768)
+                else if (tmp < -1.0)
                 {
-                    *p_pcm = -32768; /* 0x8000 */
+                    *p_pcm = -1.0; 
                 }
                 else
                 {
-                    *p_pcm = (s16)tmp;
+                    *p_pcm = tmp;
                 }
                 p_pcm += jump;
                 v += 31;

diff --git a/modules/codec/mpeg_audio/math.h b/modules/codec/mpeg_audio/math.h
index c8234c9c8ed777638be25710ed43085287a43c06..c49edfa2ee997d832233043c78c6c1623df172df 100644 (file)
--- a/modules/codec/mpeg_audio/math.h
+++ b/modules/codec/mpeg_audio/math.h
@@ -2,7 +2,7 @@
  * adec_math.h : PCM and DCT
  *****************************************************************************
  * Copyright (C) 1999, 2000 VideoLAN
- * $Id: math.h,v 1.1 2002/08/04 17:23:42 sam Exp $
+ * $Id: math.h,v 1.2 2002/08/17 15:35:10 fenrir Exp $
  *
  * Authors: Michel Kaempf <maxx@via.ecp.fr>
  *
@@ -25,5 +25,5 @@
  * Prototypes
  *****************************************************************************/
 void     DCT32 ( adec_bank_t *, float * );
-void     PCM   ( adec_bank_t *, s16 *, int );
+void     PCM   ( adec_bank_t *, float *, int );