2009-01-27 10:39:18 +00:00
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/* GStreamer
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* Copyright (C) <2006> Mark Nauwelaerts <manauw@skynet.be>
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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_FFMPEGPIPE_H__
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#define __GST_FFMPEGPIPE_H__
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#include <gst/base/gstadapter.h>
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2009-03-09 12:45:22 +00:00
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#include "gstffmpeg.h"
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2009-01-27 10:39:18 +00:00
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G_BEGIN_DECLS
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/* pipe protocol helpers */
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#define GST_FFMPEG_PIPE_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_FFMPEG_PIPE_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_FFMPEG_PIPE_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_FFMPEG_PIPE_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 _GstFFMpegPipe GstFFMpegPipe;
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struct _GstFFMpegPipe
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{
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/* lock for syncing */
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GMutex *tlock;
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/* with TLOCK */
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/* signals counterpart thread to have a look */
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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 src task */
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GstFlowReturn srcresult;
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/* adpater collecting data */
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GstAdapter *adapter;
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/* amount needed in adapter by src task */
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guint needed;
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};
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G_END_DECLS
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#endif /* __GST_FFMPEGPIPE_H__ */
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