/* GStreamer mpeg2enc (mjpegtools) wrapper * (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net> * (c) 2006 Mark Nauwelaerts <manauw@skynet.be> * * gstmpeg2enc.hh: object definition * * 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., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifndef __GST_MPEG2ENC_H__ #define __GST_MPEG2ENC_H__ #include <gst/gst.h> #include "gstmpeg2encoptions.hh" #include "gstmpeg2encoder.hh" G_BEGIN_DECLS #define GST_TYPE_MPEG2ENC \ (gst_mpeg2enc_get_type ()) #define GST_MPEG2ENC(obj) \ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MPEG2ENC, GstMpeg2enc)) #define GST_MPEG2ENC_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MPEG2ENC, GstMpeg2enc)) #define GST_IS_MPEG2ENC(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MPEG2ENC)) #define GST_IS_MPEG2ENC_CLASS(obj) \ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MPEG2ENC)) GST_DEBUG_CATEGORY_EXTERN (mpeg2enc_debug); #define GST_CAT_DEFAULT mpeg2enc_debug #define GST_MPEG2ENC_MUTEX_LOCK(m) G_STMT_START { \ GST_LOG_OBJECT (m, "locking tlock from thread %p", g_thread_self ()); \ g_mutex_lock (m->tlock); \ GST_LOG_OBJECT (m, "locked tlock from thread %p", g_thread_self ()); \ } G_STMT_END #define GST_MPEG2ENC_MUTEX_UNLOCK(m) G_STMT_START { \ GST_LOG_OBJECT (m, "unlocking tlock from thread %p", g_thread_self ()); \ g_mutex_unlock (m->tlock); \ } G_STMT_END #define GST_MPEG2ENC_WAIT(m) G_STMT_START { \ GST_LOG_OBJECT (m, "thread %p waiting", g_thread_self ()); \ g_cond_wait (m->cond, m->tlock); \ } G_STMT_END #define GST_MPEG2ENC_SIGNAL(m) G_STMT_START { \ GST_LOG_OBJECT (m, "signalling from thread %p", g_thread_self ()); \ g_cond_signal (m->cond); \ } G_STMT_END typedef struct _GstMpeg2enc { GstElement parent; /* pads */ GstPad *sinkpad, *srcpad; /* options wrapper */ GstMpeg2EncOptions *options; /* general encoding object (contains rest) */ GstMpeg2Encoder *encoder; /* lock for syncing with encoding task */ GMutex *tlock; /* with TLOCK */ /* signals counterpart thread that something changed; * buffer ready for task or buffer has been processed */ GCond *cond; /* seen eos */ gboolean eos; /* flowreturn obtained by encoding task */ GstFlowReturn srcresult; /* buffer for encoding task */ GstBuffer *buffer; /* timestamps for output */ GQueue *time; } GstMpeg2enc; typedef struct _GstMpeg2encClass { GstElementClass parent; } GstMpeg2encClass; GType gst_mpeg2enc_get_type (void); G_END_DECLS #endif /* __GST_MPEG2ENC_H__ */