mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-25 09:40:37 +00:00
112 lines
2.5 KiB
C++
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);
|
|
}
|