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/*
* gstvaapipostproc.h - VA-API video post processing
*
* Copyright (C) 2012-2014 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* This program 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#ifndef GST_VAAPIPOSTPROC_H
#define GST_VAAPIPOSTPROC_H
#include "gstvaapipluginbase.h"
#include <gst/vaapi/gstvaapisurface.h>
#include <gst/vaapi/gstvaapisurfacepool.h>
#include <gst/vaapi/gstvaapifilter.h>
G_BEGIN_DECLS
#define GST_TYPE_VAAPIPOSTPROC \
(gst_vaapipostproc_get_type())
#define GST_VAAPIPOSTPROC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
GST_TYPE_VAAPIPOSTPROC, \
GstVaapiPostproc))
#define GST_VAAPIPOSTPROC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), \
GST_TYPE_VAAPIPOSTPROC, \
GstVaapiPostprocClass))
#define GST_IS_VAAPIPOSTPROC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_VAAPIPOSTPROC))
#define GST_IS_VAAPIPOSTPROC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_VAAPIPOSTPROC))
#define GST_VAAPIPOSTPROC_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), \
GST_TYPE_VAAPIPOSTPROC, \
GstVaapiPostprocClass))
typedef struct _GstVaapiPostproc GstVaapiPostproc;
typedef struct _GstVaapiPostprocClass GstVaapiPostprocClass;
typedef struct _GstVaapiDeinterlaceState GstVaapiDeinterlaceState;
/**
* GstVaapiDeinterlaceMode:
* @GST_VAAPI_DEINTERLACE_MODE_AUTO: Auto detect needs for deinterlacing.
* @GST_VAAPI_DEINTERLACE_MODE_INTERLACED: Force deinterlacing.
* @GST_VAAPI_DEINTERLACE_MODE_DISABLED: Never perform deinterlacing.
*/
typedef enum {
GST_VAAPI_DEINTERLACE_MODE_AUTO = 0,
GST_VAAPI_DEINTERLACE_MODE_INTERLACED,
GST_VAAPI_DEINTERLACE_MODE_DISABLED,
} GstVaapiDeinterlaceMode;
/*
* GST_VAAPI_DEINTERLACE_MAX_REFERENCES:
*
* This represents the maximum number of VA surfaces we could keep as
* references for advanced deinterlacing.
*
* Note: if the upstream element is vaapidecode, then the maximum
* number of allowed surfaces used as references shall be less than
* the actual number of scratch surfaces used for decoding (4).
*/
#define GST_VAAPI_DEINTERLACE_MAX_REFERENCES 2
/**
* GstVaapiPostprocFlags:
* @GST_VAAPI_POSTPROC_FLAG_FORMAT: Pixel format conversion.
* @GST_VAAPI_POSTPROC_FLAG_DENOISE: Noise reduction.
* @GST_VAAPI_POSTPROC_FLAG_SHARPEN: Sharpening.
* @GST_VAAPI_POSTPROC_FLAG_HUE: Change color hue.
* @GST_VAAPI_POSTPROC_FLAG_SATURATION: Change saturation.
* @GST_VAAPI_POSTPROC_FLAG_BRIGHTNESS: Change brightness.
* @GST_VAAPI_POSTPROC_FLAG_CONTRAST: Change contrast.
* @GST_VAAPI_POSTPROC_FLAG_DEINTERLACE: Deinterlacing.
* @GST_VAAPI_POSTPROC_FLAG_SIZE: Video scaling.
* @GST_VAAPI_POSTPROC_FLAG_SCALE: Video scaling mode.
*
* The set of operations that are to be performed for each frame.
*/
typedef enum {
GST_VAAPI_POSTPROC_FLAG_FORMAT = 1 << GST_VAAPI_FILTER_OP_FORMAT,
GST_VAAPI_POSTPROC_FLAG_DENOISE = 1 << GST_VAAPI_FILTER_OP_DENOISE,
GST_VAAPI_POSTPROC_FLAG_SHARPEN = 1 << GST_VAAPI_FILTER_OP_SHARPEN,
GST_VAAPI_POSTPROC_FLAG_HUE = 1 << GST_VAAPI_FILTER_OP_HUE,
GST_VAAPI_POSTPROC_FLAG_SATURATION = 1 << GST_VAAPI_FILTER_OP_SATURATION,
GST_VAAPI_POSTPROC_FLAG_BRIGHTNESS = 1 << GST_VAAPI_FILTER_OP_BRIGHTNESS,
GST_VAAPI_POSTPROC_FLAG_CONTRAST = 1 << GST_VAAPI_FILTER_OP_CONTRAST,
GST_VAAPI_POSTPROC_FLAG_DEINTERLACE = 1 << GST_VAAPI_FILTER_OP_DEINTERLACING,
GST_VAAPI_POSTPROC_FLAG_SCALE = 1 << GST_VAAPI_FILTER_OP_SCALING,
/* Additional custom flags */
GST_VAAPI_POSTPROC_FLAG_CUSTOM = 1 << 20,
GST_VAAPI_POSTPROC_FLAG_SIZE = GST_VAAPI_POSTPROC_FLAG_CUSTOM,
} GstVaapiPostprocFlags;
/*
* GstVaapiDeinterlaceState:
* @buffers: history buffer, maintained as a cyclic array
* @buffers_index: next free slot in the history buffer
* @surfaces: array of surfaces used as references
* @num_surfaces: number of active surfaces in that array
* @deint: flag: previous buffers were interlaced?
* @tff: flag: previous buffers were organized as top-field-first?
*
* Context used to maintain deinterlacing state.
*/
struct _GstVaapiDeinterlaceState {
GstBuffer *buffers[GST_VAAPI_DEINTERLACE_MAX_REFERENCES];
guint buffers_index;
GstVaapiSurface *surfaces[GST_VAAPI_DEINTERLACE_MAX_REFERENCES];
guint num_surfaces;
guint deint : 1;
guint tff : 1;
};
struct _GstVaapiPostproc {
/*< private >*/
GstVaapiPluginBase parent_instance;
GstVaapiFilter *filter;
GPtrArray *filter_ops;
GstVaapiVideoPool *filter_pool;
GstVideoInfo filter_pool_info;
gboolean filter_pool_active;
GArray *filter_formats;
GstVideoFormat format; /* output video format (encoded) */
guint width;
guint height;
guint flags;
GstCaps *allowed_sinkpad_caps;
GstVideoInfo sinkpad_info;
GstCaps *allowed_srcpad_caps;
GstVideoInfo srcpad_info;
/* Deinterlacing */
GstVaapiDeinterlaceMode deinterlace_mode;
GstVaapiDeinterlaceMethod deinterlace_method;
GstVaapiDeinterlaceState deinterlace_state;
GstClockTime field_duration;
/* Basic filter values */
gfloat denoise_level;
gfloat sharpen_level;
/* Color balance filter values */
GstVaapiScaleMethod scale_method;
gfloat hue;
gfloat saturation;
gfloat brightness;
gfloat contrast;
guint get_va_surfaces : 1;
guint has_vpp : 1;
guint use_vpp : 1;
guint keep_aspect : 1;
};
struct _GstVaapiPostprocClass {
/*< private >*/
GstVaapiPluginBaseClass parent_class;
};
GType
gst_vaapipostproc_get_type(void) G_GNUC_CONST;
G_END_DECLS
#endif /* GST_VAAPIPOSTPROC_H */
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