mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-20 05:18:20 +00:00
85 lines
3 KiB
C
85 lines
3 KiB
C
/* Video conversion api function
|
|
* Copyright (C) 2014 Wim Taymans <wim.taymans@gmail.com>
|
|
*
|
|
* 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_VIDEO_CONVERTER_H__
|
|
#define __GST_VIDEO_CONVERTER_H__
|
|
|
|
#include <gst/video/video.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
/**
|
|
* GstVideoDitherMethod:
|
|
* @GST_VIDEO_DITHER_NONE: no dithering
|
|
* @GST_VIDEO_DITHER_VERTERR: propagate rounding errors downwards
|
|
* @GST_VIDEO_DITHER_HALFTONE: Dither with halftone pattern
|
|
* @GST_VIDEO_DITHER_HORIZERR: propagate rounding errors right
|
|
*
|
|
* Different dithering methods to use.
|
|
*/
|
|
typedef enum {
|
|
GST_VIDEO_DITHER_NONE,
|
|
GST_VIDEO_DITHER_VERTERR,
|
|
GST_VIDEO_DITHER_HALFTONE,
|
|
GST_VIDEO_DITHER_HORIZERR
|
|
} GstVideoDitherMethod;
|
|
|
|
/**
|
|
* GST_VIDEO_CONVERTER_OPT_RESAMPLER_METHOD:
|
|
*
|
|
* #GST_TYPE_RESAMPLER_METHOD, The resampler method to use for
|
|
* resampling. Other options for the resampler can be used, see
|
|
* the #GstResampler. Default is #GST_RESAMPLER_METHOD_LINEAR.
|
|
*/
|
|
#define GST_VIDEO_CONVERTER_OPT_RESAMPLER_METHOD "GstVideoConverter.resampler-method"
|
|
/**
|
|
* GST_VIDEO_CONVERTER_OPT_RESAMPLER_TAPS:
|
|
*
|
|
* #G_TYPE_UINT, The number of taps for the resampler.
|
|
* Default is 0: let the resampler choose a good value.
|
|
*/
|
|
#define GST_VIDEO_CONVERTER_OPT_RESAMPLER_TAPS "GstVideoConverter.resampler-taps"
|
|
|
|
/**
|
|
* GST_VIDEO_CONVERTER_OPT_DITHER_METHOD:
|
|
*
|
|
* #GST_TYPE_VIDEO_DITHER_METHOD, The dither method to use when
|
|
* changing bit depth.
|
|
*/
|
|
#define GST_VIDEO_CONVERTER_OPT_DITHER_METHOD "GstVideoConverter.dither-method"
|
|
|
|
|
|
typedef struct _GstVideoConverter GstVideoConverter;
|
|
|
|
GstVideoConverter * gst_video_converter_new (GstVideoInfo *in_info,
|
|
GstVideoInfo *out_info,
|
|
GstStructure *config);
|
|
void gst_video_converter_free (GstVideoConverter * convert);
|
|
|
|
gboolean gst_video_converter_set_config (GstVideoConverter * convert, GstStructure *config);
|
|
const GstStructure * gst_video_converter_get_config (GstVideoConverter * convert);
|
|
|
|
void gst_video_converter_frame (GstVideoConverter * convert,
|
|
const GstVideoFrame *src, GstVideoFrame *dest);
|
|
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_VIDEO_CONVERTER_H__ */
|