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/* GStreamer
* Copyright (C) <2006> Mark Nauwelaerts <manauw@skynet.be>
*
* 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_FFMPEGPROTOCOL_H__
#define __GST_FFMPEGPROTOCOL_H__
#include <gst/base/gstadapter.h>
#include "gstav.h"
G_BEGIN_DECLS
/* pipe protocol helpers */
#define GST_FFMPEG_PIPE_MUTEX_LOCK(m) G_STMT_START { \
GST_LOG ("locking tlock from thread %p", g_thread_self ()); \
g_mutex_lock (&m->tlock); \
GST_LOG ("locked tlock from thread %p", g_thread_self ()); \
} G_STMT_END
#define GST_FFMPEG_PIPE_MUTEX_UNLOCK(m) G_STMT_START { \
GST_LOG ("unlocking tlock from thread %p", g_thread_self ()); \
g_mutex_unlock (&m->tlock); \
} G_STMT_END
#define GST_FFMPEG_PIPE_WAIT(m) G_STMT_START { \
GST_LOG ("thread %p waiting", g_thread_self ()); \
g_cond_wait (&m->cond, &m->tlock); \
} G_STMT_END
#define GST_FFMPEG_PIPE_SIGNAL(m) G_STMT_START { \
GST_LOG ("signalling from thread %p", g_thread_self ()); \
g_cond_signal (&m->cond); \
} G_STMT_END
typedef struct _GstFFMpegPipe GstFFMpegPipe;
struct _GstFFMpegPipe
{
/* lock for syncing */
GMutex tlock;
/* with TLOCK */
/* signals counterpart thread to have a look */
GCond cond;
/* seen eos */
gboolean eos;
/* flowreturn obtained by src task */
GstFlowReturn srcresult;
/* adpater collecting data */
GstAdapter *adapter;
/* amount needed in adapter by src task */
guint needed;
};
int gst_ffmpeg_pipe_open (GstFFMpegPipe *ffpipe, int flags, AVIOContext ** context);
int gst_ffmpeg_pipe_close (AVIOContext * h);
int gst_ffmpegdata_open (GstPad * pad, int flags, AVIOContext ** context);
int gst_ffmpegdata_close (AVIOContext * h);
G_END_DECLS
#endif /* __GST_FFMPEGPROTOCOL_H__ */
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