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/*
* gstvaapiencode_jpeg.c - VA-API JPEG encoder
*
* Copyright (C) 2015 Intel Corporation
* Author: Sreerenj Balachandran <sreerenj.balachandran@intel.com>
*
* This library 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 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
/**
* SECTION:element-vaapijpegenc
* @short_description: A VA-API based JPEG image encoder
*
* Encodes raw images into JPEG images.
*
* ## Example launch line
*
* |[
* gst-launch-1.0 -ev videotestsrc num-buffers=1 ! timeoverlay ! vaapijpegenc ! filesink location=test.jpg
* ]|
*/
#include "gstcompat.h"
#include <gst/vaapi/gstvaapidisplay.h>
#include <gst/vaapi/gstvaapiencoder_jpeg.h>
#include "gstvaapiencode_jpeg.h"
#include "gstvaapipluginutil.h"
#include "gstvaapivideomemory.h"
#define GST_PLUGIN_NAME "vaapijpegenc"
#define GST_PLUGIN_DESC "A VA-API based JPEG video encoder"
GST_DEBUG_CATEGORY_STATIC (gst_vaapi_jpeg_encode_debug);
#define GST_CAT_DEFAULT gst_vaapi_jpeg_encode_debug
#define GST_CODEC_CAPS \
"image/jpeg"
#define EXTRA_FORMATS { GST_VIDEO_FORMAT_BGRA, }
/* jpeg encode */
GST_VAAPI_ENCODE_REGISTER_TYPE (jpeg, JPEG, Jpeg, EXTRA_FORMATS, NULL);
static void
gst_vaapiencode_jpeg_init (GstVaapiEncodeJpeg * encode)
{
/* nothing to do here */
}
static void
gst_vaapiencode_jpeg_finalize (GObject * object)
{
G_OBJECT_CLASS (gst_vaapiencode_jpeg_parent_class)->finalize (object);
}
static GstCaps *
gst_vaapiencode_jpeg_get_caps (GstVaapiEncode * base_encode)
{
GstCaps *caps;
caps = gst_caps_from_string (GST_CODEC_CAPS);
return caps;
}
static GstVaapiEncoder *
gst_vaapiencode_jpeg_alloc_encoder (GstVaapiEncode * base,
GstVaapiDisplay * display)
{
return gst_vaapi_encoder_jpeg_new (display);
}
static void
gst_vaapiencode_jpeg_class_init (GstVaapiEncodeJpegClass * klass, gpointer data)
{
GObjectClass *const object_class = G_OBJECT_CLASS (klass);
GstElementClass *const element_class = GST_ELEMENT_CLASS (klass);
GstVaapiEncodeClass *const encode_class = GST_VAAPIENCODE_CLASS (klass);
GstCaps *sink_caps = ((GstVaapiEncodeInitData *) data)->sink_caps;
GstCaps *src_caps = ((GstVaapiEncodeInitData *) data)->src_caps;
GstPadTemplate *templ;
GstCaps *static_caps;
gpointer encoder_class;
object_class->finalize = gst_vaapiencode_jpeg_finalize;
object_class->set_property = gst_vaapiencode_set_property_subclass;
object_class->get_property = gst_vaapiencode_get_property_subclass;
encode_class->get_caps = gst_vaapiencode_jpeg_get_caps;
encode_class->alloc_encoder = gst_vaapiencode_jpeg_alloc_encoder;
gst_element_class_set_static_metadata (element_class,
"VA-API JPEG encoder",
"Codec/Encoder/Image/Hardware",
GST_PLUGIN_DESC,
"Sreerenj Balachandran <sreerenj.balachandran@intel.com>");
/* sink pad */
g_assert (sink_caps);
static_caps = gst_caps_from_string (GST_VAAPI_ENCODE_STATIC_SINK_CAPS);
templ =
gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, sink_caps);
gst_pad_template_set_documentation_caps (templ, static_caps);
gst_element_class_add_pad_template (element_class, templ);
gst_caps_unref (static_caps);
gst_caps_unref (sink_caps);
/* src pad */
g_assert (src_caps);
static_caps = gst_caps_from_string (GST_CODEC_CAPS);
templ = gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, src_caps);
gst_pad_template_set_documentation_caps (templ, static_caps);
gst_element_class_add_pad_template (element_class, templ);
gst_caps_unref (static_caps);
gst_caps_unref (src_caps);
encoder_class = g_type_class_ref (GST_TYPE_VAAPI_ENCODER_JPEG);
g_assert (encoder_class);
gst_vaapiencode_class_install_properties (encode_class, encoder_class);
g_type_class_unref (encoder_class);
}
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