/*****************************************************************************
* mjpeg.c : demuxes mjpeg webcam http streams
*****************************************************************************
- * Copyright (C) 2004 VideoLAN
- * $Id: mjpeg.c 7196 2004-03-29 21:29:31Z fenrir $
+ * Copyright (C) 2004 the VideoLAN team
+ * $Id$
*
* Authors: Henry Jen (slowhog) <henryjen@ztune.net>
* Derk-Jan Hartman (thedj)
*
* 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.
*****************************************************************************/
/*****************************************************************************
#include <stdlib.h> /* malloc(), free() */
#include <vlc/vlc.h>
-#include <vlc/input.h>
+#include <vlc_demux.h>
-#include <codecs.h>
+#include <vlc_codecs.h>
/*****************************************************************************
* Module descriptor
static void Close( vlc_object_t * );
#define FPS_TEXT N_("Frames per Second")
-#define FPS_LONGTEXT N_("Allows you to set the desired frame rate when " \
- "playing from files, use 0 for live.")
+#define FPS_LONGTEXT N_("This is the desired frame rate when " \
+ "playing MJPEG from a file. Use 0 (this is the default value) for a " \
+ "live stream (from a camera).")
vlc_module_begin();
- set_description( _("JPEG camera demuxer") );
+ set_shortname( "MJPEG");
+ set_description( _("M-JPEG camera demuxer") );
set_capability( "demux2", 5 );
set_callbacks( Open, Close );
+ set_category( CAT_INPUT );
+ set_subcategory( SUBCAT_INPUT_DEMUX );
add_float( "mjpeg-fps", 0.0, NULL, FPS_TEXT, FPS_LONGTEXT, VLC_FALSE );
vlc_module_end();
vlc_bool_t b_still;
mtime_t i_still_end;
+ mtime_t i_still_length;
mtime_t i_time;
mtime_t i_frame_length;
};
/*****************************************************************************
- * Peek: Helper function to peek data with incremental size.
+ * Peek: Helper function to peek data with incremental size.
* \return VLC_FALSE if peek no more data, VLC_TRUE otherwise.
*****************************************************************************/
static vlc_bool_t Peek( demux_t *p_demux, vlc_bool_t b_first )
msg_Err( p_demux, "out of memory" );
return NULL;
}
- strncpy ( p_line, p_buf, i );
+ strncpy ( p_line, (char*)p_buf, i );
p_line[i] = '\0';
// msg_Dbg( p_demux, "i = %d, pos = %d, %s", i, *p_pos, p_line );
return p_line;
*p_header_size = -2;
return VLC_FALSE;
}
- if( strncmp( p_sys->p_peek, "--", 2 ) )
+ if( strncmp( (char *)p_sys->p_peek, "--", 2 ) )
{
*p_header_size = 0;
return VLC_FALSE;
*p_header_size = -3;
return VLC_FALSE;
}
- if( NULL == p_sys->psz_separator )
+
+ /* Read the separator and remember it if not yet stored */
+ if( p_sys->psz_separator == NULL )
{
p_sys->psz_separator = psz_line;
msg_Dbg( p_demux, "Multipart MIME detected, using separator: %s",
}
free( psz_line );
}
+
psz_line = GetLine( p_demux, &i_pos );
while( psz_line && *psz_line )
{
}
else
{
- msg_Dbg( p_demux, "Discard MIME header: %s", psz_line );
+ msg_Dbg( p_demux, "discard MIME header: %s", psz_line );
}
free( psz_line );
psz_line = GetLine( p_demux, &i_pos );
if( p_sys->b_still )
{
- p_sys->i_still_end = mdate() + I64C(5000000);
+ p_sys->i_still_end = mdate() + p_sys->i_still_length;
}
return 1;
goto error;
}
+
+ var_Create( p_demux, "mjpeg-fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
+ var_Get( p_demux, "mjpeg-fps", &val );
+ p_sys->i_frame_length = 0;
+
/* Check for jpeg file extension */
p_sys->b_still = VLC_FALSE;
p_sys->i_still_end = 0;
!strcasecmp( psz_ext, ".jpg" ) ) )
{
p_sys->b_still = VLC_TRUE;
+ if( val.f_float)
+ {
+ p_sys->i_still_length =1000000.0 / val.f_float;
+ }
+ else
+ {
+ /* Defaults to 1fps */
+ p_sys->i_still_length = 1000000;
+ }
}
-
- var_Create( p_demux, "mjpeg-fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
- var_Get( p_demux, "mjpeg-fps", &val );
- p_sys->i_frame_length = 0;
- if( val.f_float )
+ else if ( val.f_float )
{
p_sys->i_frame_length = 1000000.0 / val.f_float;
}
}
else if( p_sys->b_still && p_sys->i_still_end )
{
- msleep( 40000 );
+ msleep( 400 );
return 1;
}
i++;
if( i >= p_sys->i_data_peeked )
{
- msg_Dbg( p_demux, "Did not find JPEG EOI in %d bytes",
+ msg_Dbg( p_demux, "did not find JPEG EOI in %d bytes",
p_sys->i_data_peeked );
if( !Peek( p_demux, VLC_FALSE ) )
{
- msg_Warn( p_demux, "No more data is available at the moment" );
+ msg_Warn( p_demux, "no more data is available at the moment" );
return 0;
}
}
if( !Peek( p_demux, VLC_FALSE ) )
{
- msg_Warn( p_demux, "No more data is available at the "
+ msg_Warn( p_demux, "no more data is available at the "
"moment" );
return 0;
}
}
}
- if( !strncmp( p_sys->psz_separator, p_sys->p_peek + i + 2,
+ if( !strncmp( p_sys->psz_separator, (char *)(p_sys->p_peek + i + 2),
strlen( p_sys->psz_separator ) ) )
{
b_done = VLC_TRUE;
if( !b_match )
{
- msg_Err( p_demux, "Discard non-JPEG part" );
+ msg_Err( p_demux, "discard non-JPEG part" );
stream_Read( p_demux->s, NULL, i );
return 0;
}