mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-23 02:01:12 +00:00
134 lines
4.3 KiB
C
134 lines
4.3 KiB
C
/*
|
|
* gstvaapiencode_vp8.c - VA-API VP8 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-vaapivp8enc
|
|
* @short_description: A VA-API based VP8 video encoder
|
|
*
|
|
* Encodes raw video streams into VP8 bitstreams.
|
|
*
|
|
* ## Example launch line
|
|
*
|
|
* |[
|
|
* gst-launch-1.0 -ev videotestsrc num-buffers=60 ! timeoverlay ! vaapivp8enc ! matroskamux ! filesink location=test.mkv
|
|
* ]|
|
|
*/
|
|
|
|
#include "gstcompat.h"
|
|
#include <gst/vaapi/gstvaapidisplay.h>
|
|
#include <gst/vaapi/gstvaapiencoder_vp8.h>
|
|
#include "gstvaapiencode_vp8.h"
|
|
#include "gstvaapipluginutil.h"
|
|
#include "gstvaapivideomemory.h"
|
|
|
|
#define GST_PLUGIN_NAME "vaapivp8enc"
|
|
#define GST_PLUGIN_DESC "A VA-API based VP8 video encoder"
|
|
|
|
GST_DEBUG_CATEGORY_STATIC (gst_vaapi_vp8_encode_debug);
|
|
#define GST_CAT_DEFAULT gst_vaapi_vp8_encode_debug
|
|
|
|
#define GST_CODEC_CAPS \
|
|
"video/x-vp8"
|
|
|
|
#define EXTRA_FORMATS {}
|
|
|
|
/* vp8 encode */
|
|
GST_VAAPI_ENCODE_REGISTER_TYPE (vp8, VP8, VP8, EXTRA_FORMATS, NULL);
|
|
|
|
static void
|
|
gst_vaapiencode_vp8_init (GstVaapiEncodeVP8 * encode)
|
|
{
|
|
/* nothing to do here */
|
|
}
|
|
|
|
static void
|
|
gst_vaapiencode_vp8_finalize (GObject * object)
|
|
{
|
|
G_OBJECT_CLASS (gst_vaapiencode_vp8_parent_class)->finalize (object);
|
|
}
|
|
|
|
static GstCaps *
|
|
gst_vaapiencode_vp8_get_caps (GstVaapiEncode * base_encode)
|
|
{
|
|
GstCaps *caps;
|
|
|
|
caps = gst_caps_from_string (GST_CODEC_CAPS);
|
|
|
|
return caps;
|
|
}
|
|
|
|
static GstVaapiEncoder *
|
|
gst_vaapiencode_vp8_alloc_encoder (GstVaapiEncode * base,
|
|
GstVaapiDisplay * display)
|
|
{
|
|
return gst_vaapi_encoder_vp8_new (display);
|
|
}
|
|
|
|
static void
|
|
gst_vaapiencode_vp8_class_init (GstVaapiEncodeVP8Class * 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_vp8_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_vp8_get_caps;
|
|
encode_class->alloc_encoder = gst_vaapiencode_vp8_alloc_encoder;
|
|
|
|
gst_element_class_set_static_metadata (element_class,
|
|
"VA-API VP8 encoder",
|
|
"Codec/Encoder/Video/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_VP8);
|
|
g_assert (encoder_class);
|
|
gst_vaapiencode_class_install_properties (encode_class, encoder_class);
|
|
g_type_class_unref (encoder_class);
|
|
}
|