gstreamer/subprojects/gst-plugins-bad/ext/openjpeg/gstopenjpegdec.h

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/*
* Copyright (C) 2012 Collabora Ltd.
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
*
* 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_OPENJPEG_DEC_H__
#define __GST_OPENJPEG_DEC_H__
#include <gst/gst.h>
#include <gst/video/video.h>
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#include <gst/codecparsers/gstjpeg2000sampling.h>
#include "gstopenjpeg.h"
G_BEGIN_DECLS
#define GST_TYPE_OPENJPEG_DEC \
(gst_openjpeg_dec_get_type())
#define GST_OPENJPEG_DEC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OPENJPEG_DEC,GstOpenJPEGDec))
#define GST_OPENJPEG_DEC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OPENJPEG_DEC,GstOpenJPEGDecClass))
#define GST_IS_OPENJPEG_DEC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OPENJPEG_DEC))
#define GST_IS_OPENJPEG_DEC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OPENJPEG_DEC))
typedef struct _GstOpenJPEGDec GstOpenJPEGDec;
typedef struct _GstOpenJPEGDecClass GstOpenJPEGDecClass;
struct _GstOpenJPEGDec
{
GstVideoDecoder parent;
/* < private > */
GstVideoCodecState *input_state;
GstVideoCodecState *output_state;
OPJ_CODEC_FORMAT codec_format;
gboolean is_jp2c;
OPJ_COLOR_SPACE color_space;
GstJPEG2000Sampling sampling;
gint ncomps;
gint max_threads; /* atomic */
gint max_slice_threads; /* internal openjpeg threading system */
gint num_procs;
gint num_stripes;
gboolean drop_subframes;
void (*fill_frame) (GstOpenJPEGDec *self,
GstVideoFrame *frame, opj_image_t * image);
GstFlowReturn (*decode_frame) (GstVideoDecoder * decoder, GstVideoCodecFrame *frame);
opj_dparameters_t params;
guint available_threads;
GQueue messages;
GCond messages_cond;
GMutex messages_lock;
GMutex decoding_lock;
GstFlowReturn downstream_flow_ret;
gboolean flushing;
/* Draining state */
GMutex drain_lock;
GCond drain_cond;
/* TRUE if EOS buffers shouldn't be forwarded */
gboolean draining; /* protected by drain_lock */
int last_error;
gboolean started;
};
struct _GstOpenJPEGDecClass
{
GstVideoDecoderClass parent_class;
};
GType gst_openjpeg_dec_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (openjpegdec);
G_END_DECLS
#endif /* __GST_OPENJPEG_DEC_H__ */