gstreamer/ext/openjpeg/gstopenjpegenc.h
Stéphane Cerveau 116a10d531 openjpegenc: support for a multithreaded encoding.
This commit introduces a multithreaded encoder allowing
to encode mulitple stripes or subframes in separated threads.
This feature aims to enhance the overall latency of a codec
pipeline.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/979>
2021-09-20 15:11:02 +00:00

82 lines
2.3 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_ENC_H__
#define __GST_OPENJPEG_ENC_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include "gstopenjpeg.h"
G_BEGIN_DECLS
#define GST_TYPE_OPENJPEG_ENC \
(gst_openjpeg_enc_get_type())
#define GST_OPENJPEG_ENC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OPENJPEG_ENC,GstOpenJPEGEnc))
#define GST_OPENJPEG_ENC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OPENJPEG_ENC,GstOpenJPEGEncClass))
#define GST_IS_OPENJPEG_ENC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OPENJPEG_ENC))
#define GST_IS_OPENJPEG_ENC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OPENJPEG_ENC))
typedef struct _GstOpenJPEGEnc GstOpenJPEGEnc;
typedef struct _GstOpenJPEGEncClass GstOpenJPEGEncClass;
struct _GstOpenJPEGEnc
{
GstVideoEncoder parent;
/* < private > */
GstVideoCodecState *input_state;
GstVideoCodecState *output_state;
OPJ_CODEC_FORMAT codec_format;
gboolean is_jp2c;
void (*fill_image) (opj_image_t * image, GstVideoFrame *frame);
gboolean (*encode_frame) (GstVideoEncoder * encoder, GstVideoCodecFrame *frame);
opj_cparameters_t params;
gint num_stripes;
guint available_threads;
GQueue messages;
GCond messages_cond;
OpenJPEGErrorCode last_error;
};
struct _GstOpenJPEGEncClass
{
GstVideoEncoderClass parent_class;
};
GType gst_openjpeg_enc_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (openjpegenc);
G_END_DECLS
#endif /* __GST_OPENJPEG_ENC_H__ */