105 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			105 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* 
 | |
|  * 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>
 | |
| #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);
 | |
| 
 | |
|   gboolean (*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__ */
 |