X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fcodec%2Fa52.c;h=da59b1664b5fd2fa22a956f82534e7e6d8c8b598;hb=744ff759b3e319b47fb4b2b58fac8e5d9d684d7a;hp=6ed74f4bebaa69e301238de7607824db9298bb70;hpb=8146a7f0e815b8c89a0d2bf0624fc6c4e87f3376;p=vlc

diff --git a/modules/codec/a52.c b/modules/codec/a52.c
index 6ed74f4beb..da59b1664b 100644
--- a/modules/codec/a52.c
+++ b/modules/codec/a52.c
@@ -35,6 +35,7 @@
 #include <vlc_codec.h>
 #include <vlc_aout.h>
 #include <vlc_block_helper.h>
+#include <vlc_modules.h>
 
 #include "a52.h"
 
@@ -99,7 +100,7 @@ enum {
  ****************************************************************************/
 static void *DecodeBlock  ( decoder_t *, block_t ** );
 
-static uint8_t       *GetOutBuffer ( decoder_t *, void ** );
+static uint8_t       *GetOutBuffer ( decoder_t *, block_t ** );
 static aout_buffer_t *GetAoutBuffer( decoder_t * );
 static block_t       *GetSoutBuffer( decoder_t * );
 
@@ -137,6 +138,7 @@ static int OpenCommon( vlc_object_t *p_this, bool b_packetizer )
     p_sys->b_packetizer = b_packetizer;
     p_sys->i_state = STATE_NOSYNC;
     date_Set( &p_sys->end_date, 0 );
+    p_sys->i_pts = VLC_TS_INVALID;
 
     p_sys->bytestream = block_BytestreamInit();
 
@@ -158,6 +160,9 @@ static int OpenCommon( vlc_object_t *p_this, bool b_packetizer )
 
 static int OpenDecoder( vlc_object_t *p_this )
 {
+    /* HACK: Don't use this codec if we don't have an a52 audio filter */
+    if( !module_exists( "a52tofloat32" ) )
+        return VLC_EGENERIC;
     return OpenCommon( p_this, false );
 }
 
@@ -176,7 +181,7 @@ static void *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];
     uint8_t *p_buf;
-    void *p_out_buffer;
+    block_t *p_out_buffer;
 
     if( !pp_block || !*pp_block ) return NULL;
 
@@ -192,7 +197,7 @@ static void *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
         return NULL;
     }
 
-    if( !date_Get( &p_sys->end_date ) && !(*pp_block)->i_pts )
+    if( !date_Get( &p_sys->end_date ) && (*pp_block)->i_pts <= VLC_TS_INVALID)
     {
         /* We've just started the stream, wait for the first PTS. */
         block_Release( *pp_block );
@@ -227,7 +232,7 @@ static void *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
         case STATE_SYNC:
             /* New frame, set the Presentation Time Stamp */
             p_sys->i_pts = p_sys->bytestream.p_block->i_pts;
-            if( p_sys->i_pts != 0 &&
+            if( p_sys->i_pts > VLC_TS_INVALID &&
                 p_sys->i_pts != date_Get( &p_sys->end_date ) )
             {
                 date_Set( &p_sys->end_date, p_sys->i_pts );
@@ -306,11 +311,12 @@ static void *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
 
             /* Copy the whole frame into the buffer. When we reach this point
              * we already know we have enough data available. */
-            block_GetBytes( &p_sys->bytestream, p_buf, p_sys->frame.i_size );
+            block_GetBytes( &p_sys->bytestream,
+                            p_buf, __MIN( p_sys->frame.i_size, p_out_buffer->i_buffer ) );
 
             /* Make sure we don't reuse the same pts twice */
             if( p_sys->i_pts == p_sys->bytestream.p_block->i_pts )
-                p_sys->i_pts = p_sys->bytestream.p_block->i_pts = 0;
+                p_sys->i_pts = p_sys->bytestream.p_block->i_pts = VLC_TS_INVALID;
 
             /* So p_block doesn't get re-added several times */
             *pp_block = block_BytestreamPop( &p_sys->bytestream );
@@ -340,15 +346,15 @@ static void CloseCommon( vlc_object_t *p_this )
 /*****************************************************************************
  * GetOutBuffer:
  *****************************************************************************/
-static uint8_t *GetOutBuffer( decoder_t *p_dec, void **pp_out_buffer )
+static uint8_t *GetOutBuffer( decoder_t *p_dec, block_t **pp_out_buffer )
 {
     decoder_sys_t *p_sys = p_dec->p_sys;
     uint8_t *p_buf;
 
     if( p_dec->fmt_out.audio.i_rate != p_sys->frame.i_rate )
     {
-        msg_Info( p_dec, "A/52 channels:%d samplerate:%d bitrate:%d",
-                  p_sys->frame.i_channels, p_sys->frame.i_rate, p_sys->frame.i_bitrate );
+        msg_Dbg( p_dec, "A/52 channels:%d samplerate:%d bitrate:%d",
+                 p_sys->frame.i_channels, p_sys->frame.i_rate, p_sys->frame.i_bitrate );
 
         date_Init( &p_sys->end_date, p_sys->frame.i_rate, 1 );
         date_Set( &p_sys->end_date, p_sys->i_pts );
@@ -394,7 +400,8 @@ static aout_buffer_t *GetAoutBuffer( decoder_t *p_dec )
     if( p_buf == NULL ) return NULL;
 
     p_buf->i_pts = date_Get( &p_sys->end_date );
-    p_buf->end_date = date_Increment( &p_sys->end_date, p_sys->frame.i_samples );
+    p_buf->i_length = date_Increment( &p_sys->end_date,
+                                      p_sys->frame.i_samples ) - p_buf->i_pts;
 
     return p_buf;
 }