/*****************************************************************************
* fake.c : Fake video input for VLC
*****************************************************************************
- * Copyright (C) 2005 VideoLAN
+ * Copyright (C) 2005 the VideoLAN team
* $Id$
*
* Author: Christophe Massiot <massiot@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 <stdio.h>
-#include <string.h>
-#include <vlc/vlc.h>
-#include <vlc/input.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_access.h>
+#include <vlc_demux.h>
+#include <vlc_image.h>
/*****************************************************************************
* Module descriptior
#define CACHING_TEXT N_("Caching value in ms")
#define CACHING_LONGTEXT N_( \
- "Allows you to modify the default caching value for fake streams. This " \
- "value should be set in millisecond units." )
+ "Caching value for fake streams. This " \
+ "value should be set in milliseconds." )
#define FPS_TEXT N_("Framerate")
#define FPS_LONGTEXT N_( \
- "Specify the number of frames per second (eg. 24, 25, 29.997, 30).")
+ "Number of frames per second (eg. 24, 25, 29.97, 30).")
+#define ID_TEXT N_("ID")
+#define ID_LONGTEXT N_( \
+ "Set the ID of the fake elementary stream for use in " \
+ "#duplicate{} constructs (default 0).")
+#define DURATION_TEXT N_("Duration in ms")
+#define DURATION_LONGTEXT N_( \
+ "Duration of the fake streaming before faking an " \
+ "end-of-file (default is -1 meaning that the stream is unlimited when " \
+ "fake is forced, or lasts for 10 seconds otherwise. 0, means that the " \
+ "stream is unlimited).")
-vlc_module_begin();
- set_shortname( _("Fake") );
- set_description( _("Fake input") );
- set_category( CAT_INPUT );
- set_subcategory( SUBCAT_INPUT_ACCESS );
+vlc_module_begin ()
+ set_shortname( N_("Fake") )
+ set_description( N_("Fake video input") )
+ set_category( CAT_INPUT )
+ set_subcategory( SUBCAT_INPUT_ACCESS )
add_integer( "fake-caching", DEFAULT_PTS_DELAY / 1000, NULL,
- CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
- add_float( "fake-fps", 25.0, NULL, FPS_TEXT, FPS_LONGTEXT, VLC_TRUE );
+ CACHING_TEXT, CACHING_LONGTEXT, true )
+ add_float( "fake-fps", 25.0, NULL, FPS_TEXT, FPS_LONGTEXT, true )
+ add_integer( "fake-id", 0, NULL, ID_TEXT, ID_LONGTEXT, true )
+ add_integer( "fake-duration", -1, NULL, DURATION_TEXT, DURATION_LONGTEXT,
+ true )
- add_shortcut( "fake" );
- set_capability( "access_demux", 0 );
- set_callbacks( Open, Close );
-vlc_module_end();
+ add_shortcut( "fake" )
+ set_capability( "access_demux", 10 )
+ set_callbacks( Open, Close )
+vlc_module_end ()
/*****************************************************************************
* Access: local prototypes
struct demux_sys_t
{
float f_fps;
- mtime_t i_last_pts; /* only used when f_fps > 0 */
+ mtime_t i_last_pts, i_duration, i_first_pts, i_end_pts, i_pause_pts;
es_out_id_t *p_es_video;
};
{
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys;
- vlc_value_t val;
es_format_t fmt;
- /* Only when selected */
- if( *p_demux->psz_access == '\0' )
- return VLC_EGENERIC;
+ if( *p_demux->psz_access != '\0' )
+ {
+ /* if an access is provided, then it has to be "fake" */
+ if( strcmp( p_demux->psz_access, "fake" ) )
+ return VLC_EGENERIC;
+
+ msg_Dbg( p_demux, "fake:// access_demux detected" );
+ }
+ else
+ {
+ /**
+ * access is not provided,
+ * then let's see if path could be an image
+ **/
+
+ if( !p_demux->psz_path || !*p_demux->psz_path )
+ return VLC_EGENERIC;
+
+ vlc_fourcc_t i_codec = image_Ext2Fourcc( p_demux->psz_path );
+ if( !i_codec )
+ return VLC_EGENERIC;
+ msg_Dbg( p_demux, "still image detected with codec format %4.4s",
+ (const char*)&i_codec );
+ }
+
+ if( p_demux->psz_path && *p_demux->psz_path )
+ {
+ /* set up fake-file on the fly */
+ var_Create( p_demux->p_parent, "fake-file", VLC_VAR_STRING );
+ var_SetString( p_demux->p_parent, "fake-file", p_demux->psz_path );
+ }
/* Set up p_demux */
- p_demux->pf_demux = Demux;
- p_demux->pf_control = Control;
+ DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
p_demux->info.i_update = 0;
p_demux->info.i_title = 0;
p_demux->info.i_seekpoint = 0;
- p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
- memset( p_sys, 0, sizeof( demux_sys_t ) );
- var_Create( p_demux, "fake-fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
- var_Get( p_demux, "fake-fps", &val );
- p_sys->f_fps = val.f_float;
- p_sys->i_last_pts = 0;
+ p_sys->i_duration =
+ (mtime_t)var_CreateGetInteger( p_demux, "fake-duration" ) * 1000;
+ if( p_sys->i_duration < 0 )
+ {
+ if( !strcmp( p_demux->psz_access, "fake" ) )
+ p_sys->i_duration = 0;
+ else
+ p_sys->i_duration = 10000*1000;
+ }
+ p_sys->f_fps = var_CreateGetFloat( p_demux, "fake-fps" );
- /* Declare elementary stream */
- es_format_Init( &fmt, VIDEO_ES, VLC_FOURCC('f', 'a', 'k', 'e') );
+ /* Declare the elementary stream */
+ es_format_Init( &fmt, VIDEO_ES, VLC_FOURCC('f','a','k','e') );
+ fmt.i_id = var_CreateGetInteger( p_demux, "fake-id" );
p_sys->p_es_video = es_out_Add( p_demux->out, &fmt );
/* Update default_pts to a suitable value for access */
static int Control( demux_t *p_demux, int i_query, va_list args )
{
demux_sys_t *p_sys = p_demux->p_sys;
- vlc_bool_t *pb;
- int64_t *pi64;
+ bool *pb, b;
+ int64_t *pi64, i64;
+ double *pf, f;
switch( i_query )
{
/* Special for access_demux */
case DEMUX_CAN_PAUSE:
- case DEMUX_SET_PAUSE_STATE:
+ case DEMUX_CAN_SEEK:
case DEMUX_CAN_CONTROL_PACE:
- pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
- *pb = VLC_FALSE;
+ pb = (bool *)va_arg( args, bool * );
+ *pb = true;
+ return VLC_SUCCESS;
+
+ case DEMUX_SET_PAUSE_STATE:
+ b = (bool)va_arg( args, int );
+ if ( b )
+ {
+ p_sys->i_pause_pts = mdate();
+ }
+ else if ( p_sys->i_pause_pts )
+ {
+ mtime_t i_pause_duration = mdate() - p_sys->i_pause_pts;
+ p_sys->i_first_pts += i_pause_duration;
+ p_sys->i_last_pts += i_pause_duration;
+ if ( p_sys->i_duration )
+ p_sys->i_end_pts += i_pause_duration;
+ p_sys->i_pause_pts = 0;
+ }
return VLC_SUCCESS;
case DEMUX_GET_PTS_DELAY:
- pi64 = (int64_t*)va_arg( args, int64_t * );
+ pi64 = (int64_t *)va_arg( args, int64_t * );
*pi64 = (int64_t)var_GetInteger( p_demux, "fake-caching" ) * 1000;
return VLC_SUCCESS;
+ case DEMUX_GET_POSITION:
+ if( p_sys->i_duration <= 0 )
+ return VLC_EGENERIC;
+ pf = (double*)va_arg( args, double* );
+ *pf = (double)( p_sys->i_last_pts - p_sys->i_first_pts )
+ / (double)(p_sys->i_duration);
+ return VLC_SUCCESS;
+
+ case DEMUX_SET_POSITION:
+ if( p_sys->i_duration <= 0 )
+ return VLC_EGENERIC;
+ f = (double)va_arg( args, double );
+ i64 = f * (double)p_sys->i_duration;
+ p_sys->i_first_pts = p_sys->i_last_pts - i64;
+ p_sys->i_end_pts = p_sys->i_first_pts + p_sys->i_duration;
+ return VLC_SUCCESS;
+
case DEMUX_GET_TIME:
+ pi64 = (int64_t *)va_arg( args, int64_t * );
+ *pi64 = p_sys->i_last_pts - p_sys->i_first_pts;
+ return VLC_SUCCESS;
+
+ case DEMUX_GET_LENGTH:
+ if( p_sys->i_duration <= 0 )
+ return VLC_EGENERIC;
pi64 = (int64_t*)va_arg( args, int64_t * );
- *pi64 = p_sys->i_last_pts;
+ *pi64 = p_sys->i_duration;
+ return VLC_SUCCESS;
+
+ case DEMUX_SET_TIME:
+ i64 = (int64_t)va_arg( args, int64_t );
+ p_sys->i_first_pts = p_sys->i_last_pts - i64;
+ p_sys->i_end_pts = p_sys->i_first_pts + p_sys->i_duration;
return VLC_SUCCESS;
/* TODO implement others */
static int Demux( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
- block_t *p_block = block_New( p_demux, 1 );
if ( !p_sys->i_last_pts )
{
- p_sys->i_last_pts = mdate();
+ p_sys->i_last_pts = p_sys->i_first_pts = mdate();
+ if ( p_sys->i_duration )
+ p_sys->i_end_pts = p_sys->i_first_pts + p_sys->i_duration;
}
else
{
p_sys->i_last_pts += (mtime_t)(1000000.0 / p_sys->f_fps);
+ if ( p_sys->i_duration && p_sys->i_last_pts > p_sys->i_end_pts )
+ return 0;
mwait( p_sys->i_last_pts );
}
+ block_t *p_block = block_New( p_demux, 1 );
p_block->i_flags |= BLOCK_FLAG_TYPE_I;
p_block->i_dts = p_block->i_pts = p_sys->i_last_pts;
return 1;
}
-
projects / vlc / blobdiff