gstreamer/subprojects/gst-plugins-bad/ext/mplex/gstmplexoutputstream.cc

112 lines
2.5 KiB
C++

/* GStreamer mplex (mjpegtools) wrapper
* (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
* (c) 2008 Mark Nauwelaerts <mnauw@users.sourceforge.net>
*
* gstmplexoutputstream.hh: gstreamer/mplex output stream wrapper
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include "gstmplex.hh"
#include "gstmplexoutputstream.hh"
/*
* Class init functions.
*/
GstMplexOutputStream::GstMplexOutputStream (GstMplex * _element, GstPad * _pad):
OutputStream ()
{
mplex = _element;
pad = _pad;
size = 0;
}
/*
* Open/close. Basically 'no-op's (close() sets EOS).
*
* Open (): -1 means failure, 0 means success.
*/
int
GstMplexOutputStream::Open (void)
{
return 0;
}
void
GstMplexOutputStream::Close (void)
{
GST_MPLEX_MUTEX_LOCK (mplex);
GST_DEBUG_OBJECT (mplex, "closing stream and sending eos");
gst_pad_push_event (pad, gst_event_new_eos ());
/* notify chain there is no more need to supply buffers */
mplex->eos = TRUE;
GST_MPLEX_SIGNAL_ALL (mplex);
GST_MPLEX_MUTEX_UNLOCK (mplex);
}
/*
* Get size of current segment.
*/
#if GST_MJPEGTOOLS_API >= 10900
uint64_t
GstMplexOutputStream::SegmentSize (void)
#else
off_t
GstMplexOutputStream::SegmentSize (void)
#endif
{
return size;
}
/*
* Next segment; not really supported.
*/
void
GstMplexOutputStream::NextSegment (void)
{
size = 0;
GST_WARNING_OBJECT (mplex, "multiple file output is not supported");
/* FIXME: no such filesink behaviour to be expected */
}
/*
* Write data.
*/
void
GstMplexOutputStream::Write (guint8 * data, guint len)
{
GstBuffer *buf;
buf = gst_buffer_new_and_alloc (len);
gst_buffer_fill (buf, 0, data, len);
size += len;
GST_MPLEX_MUTEX_LOCK (mplex);
mplex->srcresult = gst_pad_push (pad, buf);
GST_MPLEX_MUTEX_UNLOCK (mplex);
}