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109 lines
3.5 KiB
C++
109 lines
3.5 KiB
C++
/* GStreamer mpeg2enc (mjpegtools) wrapper
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* (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
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* (c) 2006 Mark Nauwelaerts <manauw@skynet.be>
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*
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* gstmpeg2enc.hh: object definition
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_MPEG2ENC_H__
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#define __GST_MPEG2ENC_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include "gstmpeg2encoptions.hh"
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#include "gstmpeg2encoder.hh"
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G_BEGIN_DECLS
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#define GST_TYPE_MPEG2ENC \
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(gst_mpeg2enc_get_type ())
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#define GST_MPEG2ENC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MPEG2ENC, GstMpeg2enc))
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#define GST_MPEG2ENC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MPEG2ENC, GstMpeg2enc))
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#define GST_IS_MPEG2ENC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MPEG2ENC))
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#define GST_IS_MPEG2ENC_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MPEG2ENC))
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GST_DEBUG_CATEGORY_EXTERN (mpeg2enc_debug);
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#define GST_CAT_DEFAULT mpeg2enc_debug
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#define GST_MPEG2ENC_MUTEX_LOCK(m) G_STMT_START { \
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GST_LOG_OBJECT (m, "locking tlock from thread %p", g_thread_self ()); \
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g_mutex_lock (&m->tlock); \
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GST_LOG_OBJECT (m, "locked tlock from thread %p", g_thread_self ()); \
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} G_STMT_END
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#define GST_MPEG2ENC_MUTEX_UNLOCK(m) G_STMT_START { \
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GST_LOG_OBJECT (m, "unlocking tlock from thread %p", g_thread_self ()); \
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g_mutex_unlock (&m->tlock); \
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} G_STMT_END
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#define GST_MPEG2ENC_WAIT(m) G_STMT_START { \
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GST_LOG_OBJECT (m, "thread %p waiting", g_thread_self ()); \
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g_cond_wait (&m->cond, &m->tlock); \
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} G_STMT_END
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#define GST_MPEG2ENC_SIGNAL(m) G_STMT_START { \
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GST_LOG_OBJECT (m, "signalling from thread %p", g_thread_self ()); \
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g_cond_signal (&m->cond); \
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} G_STMT_END
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typedef struct _GstMpeg2enc {
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GstElement parent;
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/* pads */
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GstPad *sinkpad, *srcpad;
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/* video info for in caps */
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GstVideoInfo vinfo;
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/* options wrapper */
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GstMpeg2EncOptions *options;
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/* general encoding object (contains rest) */
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GstMpeg2Encoder *encoder;
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/* lock for syncing with encoding task */
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GMutex tlock;
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/* with TLOCK */
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/* signals counterpart thread that something changed;
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* buffer ready for task or buffer has been processed */
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GCond cond;
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/* seen eos */
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gboolean eos;
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/* flowreturn obtained by encoding task */
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GstFlowReturn srcresult;
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/* buffer for encoding task */
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GstBuffer *buffer;
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/* timestamps for output */
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GQueue *time;
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} GstMpeg2enc;
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typedef struct _GstMpeg2encClass {
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GstElementClass parent;
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} GstMpeg2encClass;
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GType gst_mpeg2enc_get_type (void);
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G_END_DECLS
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#endif /* __GST_MPEG2ENC_H__ */
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