]> git.sesse.net Git - vlc/blobdiff - modules/codec/dts.c
Rename var_GetGlobalMutex to var_AcquireMutex and make it lock the mutex automatically
[vlc] / modules / codec / dts.c
index ea0fce4165b1fb43ec14652b89ce27511ea087c7..eef996edf8ba52a0f02cc1c14f5f50dce22a250e 100644 (file)
@@ -1,8 +1,8 @@
 /*****************************************************************************
  * dts.c: parse DTS audio sync info and packetize the stream
  *****************************************************************************
- * Copyright (C) 2003 VideoLAN
- * $Id: dts.c,v 1.16 2004/02/06 18:15:44 gbazin Exp $
+ * Copyright (C) 2003-2005 the VideoLAN team
+ * $Id$
  *
  * Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
  *          Gildas Bazin <gbazin@netcourrier.com>
  *
  * 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.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
 /*****************************************************************************
  * Preamble
  *****************************************************************************/
 #include <vlc/vlc.h>
-#include <vlc/decoder.h>
-
-#include "vlc_block_helper.h"
+#include <vlc_codec.h>
+#include <vlc_aout.h>
+#include <vlc_block_helper.h>
 
 #define DTS_HEADER_SIZE 14
 
@@ -54,8 +54,12 @@ struct decoder_sys_t
 
     mtime_t i_pts;
 
-    int i_frame_size, i_bit_rate;
-    unsigned int i_frame_length, i_rate, i_channels, i_channels_conf;
+    unsigned int i_bit_rate;
+    unsigned int i_frame_size;
+    unsigned int i_frame_length;
+    unsigned int i_rate;
+    unsigned int i_channels;
+    unsigned int i_channels_conf;
 };
 
 enum {
@@ -95,7 +99,7 @@ vlc_module_begin();
     add_submodule();
     set_description( _("DTS audio packetizer") );
     set_capability( "packetizer", 10 );
-    set_callbacks( OpenPacketizer, NULL );
+    set_callbacks( OpenPacketizer, CloseDecoder );
 vlc_module_end();
 
 /*****************************************************************************
@@ -130,6 +134,7 @@ static int OpenDecoder( vlc_object_t *p_this )
     /* Set output properties */
     p_dec->fmt_out.i_cat = AUDIO_ES;
     p_dec->fmt_out.i_codec = VLC_FOURCC('d','t','s',' ');
+    p_dec->fmt_out.audio.i_rate = 0; /* So end_date gets initialized */
 
     /* Set callback */
     p_dec->pf_decode_audio = (aout_buffer_t *(*)(decoder_t *, block_t **))
@@ -165,16 +170,23 @@ static void *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
 
     if( !pp_block || !*pp_block ) return NULL;
 
-    if( !aout_DateGet( &p_sys->end_date ) && !(*pp_block)->i_pts )
+    if( (*pp_block)->i_flags&(BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
     {
-        /* We've just started the stream, wait for the first PTS. */
+        if( (*pp_block)->i_flags&BLOCK_FLAG_CORRUPTED )
+        {
+            p_sys->i_state = STATE_NOSYNC;
+            block_BytestreamFlush( &p_sys->bytestream );
+        }
+//        aout_DateSet( &p_sys->end_date, 0 );
         block_Release( *pp_block );
         return NULL;
     }
 
-    if( (*pp_block)->b_discontinuity )
+    if( !aout_DateGet( &p_sys->end_date ) && !(*pp_block)->i_pts )
     {
-        p_sys->i_state = STATE_NOSYNC;
+        /* We've just started the stream, wait for the first PTS. */
+        block_Release( *pp_block );
+        return NULL;
     }
 
     block_BytestreamPush( &p_sys->bytestream, *pp_block );
@@ -334,7 +346,9 @@ static uint8_t *GetOutBuffer( decoder_t *p_dec, void **pp_out_buffer )
 
     p_dec->fmt_out.audio.i_rate     = p_sys->i_rate;
     p_dec->fmt_out.audio.i_channels = p_sys->i_channels;
-    p_dec->fmt_out.audio.i_bytes_per_frame = p_sys->i_frame_size;
+    /* Hack for DTS S/PDIF filter which needs to pad the DTS frames */
+    p_dec->fmt_out.audio.i_bytes_per_frame =
+        __MAX( p_sys->i_frame_size, p_sys->i_frame_length * 4 );
     p_dec->fmt_out.audio.i_frame_length = p_sys->i_frame_length;
 
     p_dec->fmt_out.audio.i_original_channels = p_sys->i_channels_conf;