/*****************************************************************************
- * display.c
+ * display.c: display stream output module
*****************************************************************************
- * Copyright (C) 2001, 2002 VideoLAN
- * $Id: display.c,v 1.9 2003/11/26 22:56:04 gbazin Exp $
+ * 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_common.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_description( _("Display stream") );
+ set_shortname( N_("Display"));
+ set_description( N_("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 *const 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;
};
{
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 */
+ p_stream->p_sout->i_out_pace_nocontrol++;
+
return VLC_SUCCESS;
}
/*****************************************************************************
* Close:
*****************************************************************************/
-
static void Close( vlc_object_t * p_this )
{
sout_stream_t *p_stream = (sout_stream_t*)p_this;
sout_stream_sys_t *p_sys = p_stream->p_sys;
- vlc_object_release( p_sys->p_input );
+ /* update p_sout->i_out_pace_nocontrol */
+ p_stream->p_sout->i_out_pace_nocontrol--;
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 )
+static sout_stream_id_t * Add( sout_stream_t *p_stream, es_format_t *p_fmt )
{
sout_stream_sys_t *p_sys = p_stream->p_sys;
sout_stream_id_t *id;
}
id = malloc( sizeof( sout_stream_id_t ) );
-
- vlc_mutex_lock( &p_sys->p_input->stream.stream_lock );
- id->p_es = input_AddES( p_sys->p_input,
- NULL, /* no program */
- 12, /* es_id */
- p_fmt->i_cat, /* UNKNOWN_ES,*/ /* es category */
- NULL, /* description */
- 0 ); /* no extra data */
-
- if( !id->p_es )
- {
- vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
-
- msg_Err( p_stream, "cannot create es" );
- free( id );
+ if( id == NULL )
return NULL;
- }
- id->p_es->i_stream_id = 1;
- id->p_es->i_fourcc = p_fmt->i_codec;
- id->p_es->b_force_decoder = VLC_TRUE;
- switch( p_fmt->i_cat )
+
+ if( p_sys->i_es == 0 )
{
- case AUDIO_ES:
- id->p_es->p_bitmapinfoheader = NULL;
- id->p_es->p_waveformatex =
- malloc( sizeof( WAVEFORMATEX ) + p_fmt->i_extra );
-#define p_wf ((WAVEFORMATEX*)id->p_es->p_waveformatex)
- p_wf->wFormatTag = WAVE_FORMAT_UNKNOWN;
- p_wf->nChannels = p_fmt->audio.i_channels;
- p_wf->nSamplesPerSec = p_fmt->audio.i_rate;
- p_wf->nAvgBytesPerSec= p_fmt->i_bitrate / 8;
- p_wf->nBlockAlign = p_fmt->audio.i_blockalign;
- p_wf->wBitsPerSample = 0;
- p_wf->cbSize = p_fmt->i_extra;
- if( p_fmt->i_extra > 0 )
- {
- memcpy( &p_wf[1],
- p_fmt->p_extra,
- p_fmt->i_extra );
- }
-#undef p_wf
- break;
- case VIDEO_ES:
- id->p_es->p_waveformatex = NULL;
- id->p_es->p_bitmapinfoheader = malloc( sizeof( BITMAPINFOHEADER ) + p_fmt->i_extra );
-#define p_bih ((BITMAPINFOHEADER*)id->p_es->p_bitmapinfoheader)
- p_bih->biSize = sizeof( BITMAPINFOHEADER ) + p_fmt->i_extra;
- p_bih->biWidth = p_fmt->video.i_width;
- p_bih->biHeight = p_fmt->video.i_height;
- p_bih->biPlanes = 0;
- p_bih->biBitCount = 0;
- p_bih->biCompression = 0;
- p_bih->biSizeImage = 0;
- p_bih->biXPelsPerMeter = 0;
- p_bih->biYPelsPerMeter = 0;
- p_bih->biClrUsed = 0;
- p_bih->biClrImportant = 0;
- if( p_fmt->i_extra > 0 )
- {
- memcpy( &p_bih[1],
- p_fmt->p_extra,
- p_fmt->i_extra );
- }
-#undef p_bih
- break;
- default:
- msg_Err( p_stream, "unknown es type" );
+ 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;
+ }
}
- if( input_SelectES( p_sys->p_input, id->p_es ) )
+ id->p_dec = input_DecoderNew( p_sys->p_input, p_fmt, true );
+ if( id->p_dec == NULL )
{
- input_DelES( p_sys->p_input, id->p_es );
- vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
-
- msg_Err( p_stream, "cannot select es" );
+ msg_Err( p_stream, "cannot create decoder for fcc=`%4.4s'",
+ (char*)&p_fmt->i_codec );
free( id );
+ if( p_sys->i_es == 0 )
+ vlc_object_release( p_sys->p_input );
return NULL;
}
- vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
+ p_sys->i_es++;
return id;
}
-static int Del ( sout_stream_t *p_stream, sout_stream_id_t *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_DelES( 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 );
-
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;
- pes_packet_t *p_pes;
- data_packet_t *p_data;
+ block_t *p_next = p_buffer->p_next;
+
+ p_buffer->p_next = NULL;
- if( p_buffer->i_size > 0 )
+ if( id->p_dec && p_buffer->i_buffer > 0 )
{
- if( !( p_pes = input_NewPES( p_sys->p_input->p_method_data ) ) )
- {
- msg_Err( p_stream, "cannot allocate new PES" );
- return VLC_EGENERIC;
- }
- if( !( p_data = input_NewPacket( p_sys->p_input->p_method_data,
- p_buffer->i_size ) ) )
- {
- msg_Err( p_stream, "cannot allocate new data_packet" );
- return VLC_EGENERIC;
- }
- p_data->p_payload_end = p_data->p_payload_start + p_buffer->i_size;
-
- p_pes->i_dts = p_buffer->i_dts <= 0 ? 0 :
- p_buffer->i_dts + p_sys->i_delay;
- p_pes->i_pts = p_buffer->i_pts <= 0 ? 0 :
- p_buffer->i_pts + p_sys->i_delay;
- p_pes->p_first = p_pes->p_last = p_data;
- p_pes->i_nb_data = 1;
- p_pes->i_pes_size = p_buffer->i_size;
-
- p_stream->p_vlc->pf_memcpy( p_data->p_payload_start,
- p_buffer->p_buffer,
- p_buffer->i_size );
-
- if( id->p_es->p_dec )
- {
- input_DecodePES( id->p_es->p_dec, p_pes );
- }
+ if( p_buffer->i_dts <= 0 )
+ p_buffer->i_dts= 0;
+ else
+ p_buffer->i_dts += p_sys->i_delay;
+
+ if( p_buffer->i_pts <= 0 )
+ p_buffer->i_pts= 0;
else
- {
- input_DeletePES( p_sys->p_input->p_method_data, p_pes );
- }
+ p_buffer->i_pts += p_sys->i_delay;
+
+ 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;
}
return VLC_SUCCESS;
}
-