]> git.sesse.net Git - vlc/blobdiff - modules/stream_out/display.c
Include vlc_plugin.h as needed
[vlc] / modules / stream_out / display.c
index 5d8b071ae19265d64acbee15b190f3dcc50fb731..542bbb3db58b6d2e6024c1b0e59812e921881be9 100644 (file)
@@ -1,7 +1,7 @@
 /*****************************************************************************
  * display.c: display stream output module
  *****************************************************************************
- * Copyright (C) 2001, 2002 VideoLAN
+ * Copyright (C) 2001, 2002 the VideoLAN team
  * $Id$
  *
  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
  *
  * 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 <stdlib.h>
-#include <string.h>
 
-#include <vlc/vlc.h>
-#include <vlc/input.h>
-#include <vlc/sout.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
 
-#include "codecs.h"
+#include <vlc/vlc.h>
+#include <vlc_plugin.h>
+#include <vlc_input.h>
+#include <vlc_sout.h>
+#include <vlc_block.h>
 
 /*****************************************************************************
- * Exported prototypes
+ * Module descriptor
  *****************************************************************************/
-static int      Open    ( vlc_object_t * );
-static void     Close   ( vlc_object_t * );
+#define AUDIO_TEXT N_("Enable audio")
+#define AUDIO_LONGTEXT N_( "Enable/disable audio rendering." )
+#define VIDEO_TEXT N_("Enable video")
+#define VIDEO_LONGTEXT N_( "Enable/disable video rendering." )
+#define DELAY_TEXT N_("Delay")
+#define DELAY_LONGTEXT N_( "Introduces a delay in the display of the stream." )
 
-static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
-static int               Del ( sout_stream_t *, sout_stream_id_t * );
-static int               Send( sout_stream_t *, sout_stream_id_t *, sout_buffer_t* );
+static int  Open ( vlc_object_t * );
+static void Close( vlc_object_t * );
+
+#define SOUT_CFG_PREFIX "sout-display-"
 
-/*****************************************************************************
- * Module descriptor
- *****************************************************************************/
 vlc_module_begin();
+    set_shortname( _("Display"));
     set_description( _("Display stream output") );
     set_capability( "sout stream", 50 );
     add_shortcut( "display" );
+    set_category( CAT_SOUT );
+    set_subcategory( SUBCAT_SOUT_STREAM );
+    add_bool( SOUT_CFG_PREFIX "audio", 1, NULL, AUDIO_TEXT,
+              AUDIO_LONGTEXT, true );
+    add_bool( SOUT_CFG_PREFIX "video", 1, NULL, VIDEO_TEXT,
+              VIDEO_LONGTEXT, true );
+    add_integer( SOUT_CFG_PREFIX "delay", 100, NULL, DELAY_TEXT,
+                 DELAY_LONGTEXT, true );
     set_callbacks( Open, Close );
 vlc_module_end();
 
+
+/*****************************************************************************
+ * Exported prototypes
+ *****************************************************************************/
+static const char *ppsz_sout_options[] = {
+    "audio", "video", "delay", NULL
+};
+
+static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
+static int               Del ( sout_stream_t *, sout_stream_id_t * );
+static int               Send( sout_stream_t *, sout_stream_id_t *, block_t* );
+
 struct sout_stream_sys_t
 {
     input_thread_t *p_input;
+    unsigned        i_es;
 
-    vlc_bool_t     b_audio;
-    vlc_bool_t     b_video;
+    bool     b_audio;
+    bool     b_video;
 
     mtime_t        i_delay;
 };
@@ -70,36 +96,24 @@ static int Open( vlc_object_t *p_this )
 {
     sout_stream_t     *p_stream = (sout_stream_t*)p_this;
     sout_stream_sys_t *p_sys;
-    char              *val;
-    p_sys           = malloc( sizeof( sout_stream_sys_t ) );
-    p_sys->p_input  = vlc_object_find( p_stream, VLC_OBJECT_INPUT, FIND_ANYWHERE );
-    if( !p_sys->p_input )
-    {
-        msg_Err( p_stream, "cannot find p_input" );
-        free( p_sys );
-        return VLC_EGENERIC;
-    }
 
-    p_sys->b_audio = VLC_TRUE;
-    p_sys->b_video = VLC_TRUE;
-    p_sys->i_delay = 100*1000;
-    if( sout_cfg_find( p_stream->p_cfg, "noaudio" ) )
-    {
-        p_sys->b_audio = VLC_FALSE;
-    }
-    if( sout_cfg_find( p_stream->p_cfg, "novideo" ) )
-    {
-        p_sys->b_video = VLC_FALSE;
-    }
-    if( ( val = sout_cfg_find_value( p_stream->p_cfg, "delay" ) ) )
-    {
-        p_sys->i_delay = (mtime_t)atoi( val ) * (mtime_t)1000;
-    }
+    p_sys = malloc( sizeof( sout_stream_sys_t ) );
+    if( p_sys == NULL )
+        return VLC_ENOMEM;
+
+    config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options,
+                   p_stream->p_cfg );
+
+    p_sys->p_input = NULL;
+    p_sys->i_es    = 0;
+    p_sys->b_audio = var_GetBool( p_stream, SOUT_CFG_PREFIX"audio" );
+    p_sys->b_video = var_GetBool( p_stream, SOUT_CFG_PREFIX "video" );
+    p_sys->i_delay = var_GetInteger( p_stream, SOUT_CFG_PREFIX "delay" );
+    p_sys->i_delay *= 1000;
 
     p_stream->pf_add    = Add;
     p_stream->pf_del    = Del;
     p_stream->pf_send   = Send;
-
     p_stream->p_sys     = p_sys;
 
     /* update p_sout->i_out_pace_nocontrol */
@@ -119,14 +133,12 @@ static void Close( vlc_object_t * p_this )
     /* update p_sout->i_out_pace_nocontrol */
     p_stream->p_sout->i_out_pace_nocontrol--;
 
-    vlc_object_release( p_sys->p_input );
-
     free( p_sys );
 }
 
 struct sout_stream_id_t
 {
-    es_descriptor_t *p_es;
+    decoder_t *p_dec;
 };
 
 static sout_stream_id_t * Add( sout_stream_t *p_stream, es_format_t *p_fmt )
@@ -141,66 +153,72 @@ static sout_stream_id_t * Add( sout_stream_t *p_stream, es_format_t *p_fmt )
     }
 
     id = malloc( sizeof( sout_stream_id_t ) );
+    if( id == NULL )
+        return NULL;
 
-    id->p_es = malloc( sizeof( es_descriptor_t ) );
-    memset( id->p_es, 0, sizeof( es_descriptor_t ) );
-    id->p_es->i_cat         = p_fmt->i_cat;
-    id->p_es->i_fourcc      = p_fmt->i_codec;
-    id->p_es->b_force_decoder = VLC_TRUE;
-    es_format_Copy( &id->p_es->fmt, p_fmt );
+    if( p_sys->i_es == 0 )
+    {
+        p_sys->p_input = vlc_object_find( p_stream, VLC_OBJECT_INPUT,
+                                          FIND_PARENT );
+        if( p_sys->p_input == NULL )
+        {
+            msg_Err( p_stream, "cannot find input" );
+            free( id );
+            return NULL;
+        }
+    }
 
-    id->p_es->p_dec = input_RunDecoder( p_sys->p_input, id->p_es );
-    if( id->p_es->p_dec == NULL )
+    id->p_dec = input_DecoderNew( p_sys->p_input, p_fmt, true );
+    if( id->p_dec == NULL )
     {
         msg_Err( p_stream, "cannot create decoder for fcc=`%4.4s'",
                  (char*)&p_fmt->i_codec );
-        free( id->p_es );
         free( id );
+        if( p_sys->i_es == 0 )
+            vlc_object_release( p_sys->p_input );
         return NULL;
     }
 
+    p_sys->i_es++;
     return id;
 }
 
 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
 {
-    sout_stream_sys_t *p_sys = p_stream->p_sys;
-
-    input_EndDecoder( p_sys->p_input, id->p_es );
+    input_DecoderDelete( id->p_dec );
+    if( --p_stream->p_sys->i_es == 0)
+        vlc_object_release( p_stream->p_sys->p_input );
 
-    free( id->p_es );
     free( id );
-
     return VLC_SUCCESS;
 }
 
 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
-                 sout_buffer_t *p_buffer )
+                 block_t *p_buffer )
 {
     sout_stream_sys_t *p_sys = p_stream->p_sys;
 
     while( p_buffer )
     {
-        sout_buffer_t *p_next;
-        block_t *p_block;
+        block_t *p_next = p_buffer->p_next;
+
+        p_buffer->p_next = NULL;
 
-        if( id->p_es->p_dec && p_buffer->i_size > 0 &&
-            (p_block = block_New( p_stream, p_buffer->i_size )) )
+        if( id->p_dec && p_buffer->i_buffer > 0 )
         {
-            p_block->i_dts = p_buffer->i_dts <= 0 ? 0 :
-                             p_buffer->i_dts + p_sys->i_delay;
-            p_block->i_pts = p_buffer->i_pts <= 0 ? 0 :
-                             p_buffer->i_pts + p_sys->i_delay;
+            if( p_buffer->i_dts <= 0 )
+                p_buffer->i_dts= 0;
+            else
+                p_buffer->i_dts += p_sys->i_delay;
 
-            p_stream->p_vlc->pf_memcpy( p_block->p_buffer,
-                                        p_buffer->p_buffer, p_buffer->i_size );
+            if( p_buffer->i_pts <= 0 )
+                p_buffer->i_pts= 0;
+            else
+                p_buffer->i_pts += p_sys->i_delay;
 
-            input_DecodeBlock( id->p_es->p_dec, p_block );
+            input_DecoderDecode( id->p_dec, p_buffer );
         }
 
-        /* *** go to next buffer *** */
-        p_next = p_buffer->p_next;
-        sout_BufferDelete( p_stream->p_sout, p_buffer );
         p_buffer = p_next;
     }