gstreamer/subprojects/gst-plugins-bad/gst/autoconvert/gstautovideoconvert.c

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/* GStreamer
* Copyright 2010 ST-Ericsson SA
* @author: Benjamin Gaignard <benjamin.gaignard@stericsson.com>
* Copyright 2023 Igalia S.L.
* @author: Thibault Saunier <tsaunier@igalia.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.
*/
/*
* test autovideoconvert:
* if rgb2bayer is present
* gst-launch-1.0 videotestsrc num-buffers=2 ! "video/x-raw,width=100,height=100,framerate=10/1" ! autovideoconvert ! "video/x-bayer,width=100,height=100,format=bggr,framerate=10/1" ! fakesink -v
* if bayer2rgb is present
* gst-launch-1.0 videotestsrc num-buffers=2 ! "video/x-bayer,width=100,height=100,format=bggr,framerate=10/1" ! autovideoconvert ! "video/x-raw,width=100,height=100,framerate=10/1" ! fakesink -v
* test with videoconvert
* gst-launch-1.0 videotestsrc num-buffers=2 ! "video/x-raw,format=RGBx,width=100,height=100,framerate=10/1" ! autovideoconvert ! "video/x-raw,format=RGB16,width=100,height=100,framerate=10/1" ! fakesink -v
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include "gstautovideoconvert.h"
#include "gstautovideo.h"
GST_DEBUG_CATEGORY (autovideoconvert_debug);
#define GST_CAT_DEFAULT (autovideoconvert_debug)
struct _GstAutoVideoConvert
{
GstBaseAutoConvert parent;
};
G_DEFINE_TYPE (GstAutoVideoConvert, gst_auto_video_convert,
GST_TYPE_BASE_AUTO_CONVERT);
GST_ELEMENT_REGISTER_DEFINE (autovideoconvert, "autovideoconvert",
GST_RANK_NONE, gst_auto_video_convert_get_type ());
static void
gst_auto_video_convert_class_init (GstAutoVideoConvertClass * klass)
{
GstElementClass *gstelement_class = (GstElementClass *) klass;
GST_DEBUG_CATEGORY_INIT (autovideoconvert_debug, "autovideoconvert", 0,
"Auto color space converter");
gst_element_class_set_static_metadata (gstelement_class,
"Select color space converter and scalers based on caps",
"Bin/Colorspace/Scale/Video/Converter",
"Selects the right color space converter based on the caps",
"Thibault Saunier <tsaunier@igalia.com>");
}
static void
gst_auto_video_convert_init (GstAutoVideoConvert * autovideoconvert)
{
/* *INDENT-OFF* */
static const GstAutoVideoFilterGenerator gen[] = {
{
.first_elements = { "bayer2rgb", NULL},
.colorspace_converters = { "videoconvertscale", NULL },
.last_elements = { NULL } ,
.filters = { NULL},
.rank = GST_RANK_SECONDARY,
},
{
.first_elements = { "capsfilter caps=\"video/x-raw\"", NULL, },
.colorspace_converters = { "videoconvertscale", NULL },
.last_elements = { "rgb2bayer", NULL },
.filters = { NULL },
.rank = GST_RANK_SECONDARY,
},
{
.first_elements = { "capsfilter caps=\"video/x-raw\"", NULL, },
.colorspace_converters = { "videoconvertscale", NULL },
.last_elements = { NULL, },
.filters = { NULL },
.rank = GST_RANK_SECONDARY,
},
{
.first_elements = { NULL, },
.colorspace_converters = { "glcolorconvert", "glcolorscale", "glcolorconvert", NULL },
.last_elements = { NULL, },
.filters = { NULL },
.rank = GST_RANK_PRIMARY,
},
{
.first_elements = { "glupload", },
.colorspace_converters = { "glcolorconvert", "glcolorscale", "glcolorconvert", NULL },
.last_elements = { NULL, },
.filters = { NULL },
.rank = GST_RANK_PRIMARY,
},
{
.first_elements = { "capsfilter caps=\"video/x-raw\"", "videoconvertscale", "glupload", NULL },
.colorspace_converters = { NULL },
.last_elements = { NULL },
.filters = { NULL },
.rank = GST_RANK_MARGINAL + 1,
},
{
.first_elements = { "glcolorconvert", "gldownload", NULL },
.colorspace_converters = { NULL },
.last_elements = { NULL },
.filters = { NULL },
.rank = GST_RANK_MARGINAL + 2,
},
{ /* Worst case we upload/download as required */
.first_elements = { "glupload", "gldownload", NULL },
.colorspace_converters = { "glcolorconvert", "glcolorscale", "glcolorconvert", NULL },
.last_elements = { "glupload", "gldownload", NULL },
.filters = { NULL },
.rank = GST_RANK_MARGINAL + 1,
},
{ /* Pure cuda is preferred */
.first_elements = { NULL },
.colorspace_converters = { "cudaconvertscale", NULL },
.last_elements = { NULL },
.filters = { NULL },
.rank = GST_RANK_PRIMARY,
},
{ /* FIXME: Generically make it so we go through cudaconvert for formats not supported by `glcolorconvert` */
.first_elements = { "capsfilter caps=video/x-raw(ANY),format={I420_10LE,I422_10LE,I422_12LE}", "cudaupload", NULL },
.colorspace_converters = { "cudaconvert", NULL },
.last_elements = { "cudadownload", "capsfilter caps=video/x-raw(memory:GLMemory)", NULL },
.filters = { NULL },
.rank = GST_RANK_SECONDARY + 2,
},
{ /* CUDA -> GL */
.first_elements = { "capsfilter caps=video/x-raw(memory:CUDAMemory)", "cudadownload", NULL },
.colorspace_converters = { "glcolorconvert", "glcolorscale", "glcolorconvert", NULL },
.last_elements = { "glupload", "gldownload", NULL },
.filters = { NULL },
.rank = GST_RANK_SECONDARY,
},
{ /* GL memory to cuda */
.first_elements = { NULL },
.colorspace_converters = { "glcolorconvert", "glcolorscale", "glcolorconvert", NULL },
.last_elements = { "cudaupload", "capsfilter caps=video/x-raw(memory:CUDAMemory)", NULL },
.filters = { NULL },
.rank = GST_RANK_MARGINAL,
},
{ /* System memory to cuda */
.first_elements = { "capsfilter caps=\"video/x-raw\"", NULL },
.colorspace_converters = { "videoconvertscale", NULL },
.last_elements = { "cudaupload", "capsfilter caps=video/x-raw(memory:CUDAMemory)", NULL },
.filters = { NULL },
.rank = GST_RANK_MARGINAL,
},
{
.first_elements = { NULL, },
.colorspace_converters = { "d3d11convert", NULL },
.last_elements = { NULL, },
.filters = { NULL },
.rank = GST_RANK_PRIMARY,
},
{
.first_elements = { "d3d11download", "d3d11upload", NULL},
.colorspace_converters = { "glcolorconvert", "glcolorscale", "glcolorconvert", NULL },
.last_elements = { "d3d11download", "d3d11upload", NULL },
.filters = { NULL },
.rank = GST_RANK_MARGINAL,
},
{ /* Worst case we upload/download as required */
.first_elements = { NULL},
.colorspace_converters = { NULL },
.last_elements = { NULL },
.filters = { NULL },
.rank = 0,
},
};
/* *INDENT-ON* */
gst_auto_video_register_well_known_bins (GST_BASE_AUTO_CONVERT
(autovideoconvert), gen);
}