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104 lines
2.8 KiB
C
104 lines
2.8 KiB
C
/*
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* Copyright (C) 2012 Collabora Ltd.
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* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
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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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef __GST_OPENJPEG_DEC_H__
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#define __GST_OPENJPEG_DEC_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/codecparsers/gstjpeg2000sampling.h>
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#include "gstopenjpeg.h"
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G_BEGIN_DECLS
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#define GST_TYPE_OPENJPEG_DEC \
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(gst_openjpeg_dec_get_type())
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#define GST_OPENJPEG_DEC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OPENJPEG_DEC,GstOpenJPEGDec))
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#define GST_OPENJPEG_DEC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OPENJPEG_DEC,GstOpenJPEGDecClass))
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#define GST_IS_OPENJPEG_DEC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OPENJPEG_DEC))
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#define GST_IS_OPENJPEG_DEC_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OPENJPEG_DEC))
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typedef struct _GstOpenJPEGDec GstOpenJPEGDec;
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typedef struct _GstOpenJPEGDecClass GstOpenJPEGDecClass;
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struct _GstOpenJPEGDec
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{
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GstVideoDecoder parent;
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/* < private > */
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GstVideoCodecState *input_state;
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GstVideoCodecState *output_state;
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OPJ_CODEC_FORMAT codec_format;
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gboolean is_jp2c;
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OPJ_COLOR_SPACE color_space;
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GstJPEG2000Sampling sampling;
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gint ncomps;
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gint max_threads; /* atomic */
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gint max_slice_threads; /* internal openjpeg threading system */
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gint num_procs;
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gint num_stripes;
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gboolean drop_subframes;
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void (*fill_frame) (GstOpenJPEGDec *self,
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GstVideoFrame *frame, opj_image_t * image);
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gboolean (*decode_frame) (GstVideoDecoder * decoder, GstVideoCodecFrame *frame);
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opj_dparameters_t params;
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guint available_threads;
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GQueue messages;
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GCond messages_cond;
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GMutex messages_lock;
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GMutex decoding_lock;
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GstFlowReturn downstream_flow_ret;
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gboolean flushing;
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/* Draining state */
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GMutex drain_lock;
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GCond drain_cond;
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/* TRUE if EOS buffers shouldn't be forwarded */
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gboolean draining; /* protected by drain_lock */
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int last_error;
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gboolean started;
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};
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struct _GstOpenJPEGDecClass
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{
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GstVideoDecoderClass parent_class;
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};
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GType gst_openjpeg_dec_get_type (void);
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GST_ELEMENT_REGISTER_DECLARE (openjpegdec);
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G_END_DECLS
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#endif /* __GST_OPENJPEG_DEC_H__ */
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