/* GStreamer mplex (mjpegtools) wrapper * (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net> * * gstmplex.hh: gstreamer mplex 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. */ #ifndef __GST_MPLEX_H__ #define __GST_MPLEX_H__ #include <gst/gst.h> #include <gst/base/gstadapter.h> #include <multiplexor.hpp> #include "gstmplexibitstream.hh" #include "gstmplexjob.hh" G_BEGIN_DECLS #define GST_TYPE_MPLEX \ (gst_mplex_get_type ()) #define GST_MPLEX(obj) \ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MPLEX, GstMplex)) #define GST_MPLEX_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MPLEX, GstMplex)) #define GST_IS_MPLEX(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MPLEX)) #define GST_IS_MPLEX_CLASS(obj) \ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MPLEX)) GST_DEBUG_CATEGORY_EXTERN (mplex_debug); #define GST_CAT_DEFAULT mplex_debug #define GST_MPLEX_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_MPLEX_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_MPLEX_WAIT(m, p) G_STMT_START { \ GST_LOG_OBJECT (m, "thread %p waiting", g_thread_self ()); \ g_cond_wait (&(p)->cond, &(m)->tlock); \ } G_STMT_END #define GST_MPLEX_SIGNAL(m, p) G_STMT_START { \ GST_LOG_OBJECT (m, "signalling from thread %p", g_thread_self ()); \ g_cond_signal (&(p)->cond); \ } G_STMT_END #define GST_MPLEX_SIGNAL_ALL(m) G_STMT_START { \ GST_LOG_OBJECT (m, "signalling all from thread %p", g_thread_self ()); \ GSList *walk = m->pads; \ while (walk) { \ GST_MPLEX_SIGNAL (m, (GstMplexPad *) walk->data); \ walk = walk->next; \ } \ } G_STMT_END typedef struct _GstMplexPad { /* associated pad */ GstPad *pad; /* with mplex TLOCK */ /* adapter collecting buffers for this pad */ GstAdapter *adapter; /* no more to expect on this pad */ gboolean eos; /* signals counterpart thread to have a look */ GCond cond; /* amount needed by mplex on this stream */ guint needed; /* bitstream for this pad */ GstMplexIBitStream *bs; } GstMplexPad; typedef struct _GstMplex { GstElement parent; /* pads */ GSList *pads; GstPad *srcpad; guint num_apads, num_vpads; /* options wrapper */ GstMplexJob *job; /* lock for syncing */ GMutex tlock; /* with TLOCK */ /* muxer writer generated eos */ gboolean eos; /* flowreturn obtained by muxer task */ GstFlowReturn srcresult; } GstMplex; typedef struct _GstMplexClass { GstElementClass parent; } GstMplexClass; GType gst_mplex_get_type (void); G_END_DECLS #endif /* __GST_MPLEX_H__ */