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/*
* gstvaapiencode_mpeg2.c - VA-API MPEG2 encoder
*
* Copyright (C) 2012-2014 Intel Corporation
* Author: Guangxin Xu <guangxin.xu@intel.com>
* Author: Gwenole Beauchesne <gwenole.beauchesne@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-vaapimpeg2enc
* @short_description: A VA-API based MPEG2 video encoder
*
* Encodes raw video streams into MPEG2 bitstreams.
*
* ## Example launch line
*
* |[
* gst-launch-1.0 -ev videotestsrc num-buffers=60 ! timeoverlay ! vaapimpeg2enc ! matroskamux ! filesink location=test.mkv
* ]|
*/
#include "gstcompat.h"
#include <gst/vaapi/gstvaapidisplay.h>
#include <gst/vaapi/gstvaapiencoder_mpeg2.h>
#include "gstvaapiencode_mpeg2.h"
#include "gstvaapipluginutil.h"
#include "gstvaapivideomemory.h"
#define GST_PLUGIN_NAME "vaapimpeg2enc"
#define GST_PLUGIN_DESC "A VA-API based MPEG-2 video encoder"
GST_DEBUG_CATEGORY_STATIC (gst_vaapi_mpeg2_encode_debug);
#define GST_CAT_DEFAULT gst_vaapi_mpeg2_encode_debug
#define GST_CODEC_CAPS \
"video/mpeg, mpegversion = (int) 2, " \
"systemstream = (boolean) false"
/* *INDENT-OFF* */
static const char gst_vaapiencode_mpeg2_sink_caps_str[] =
GST_VAAPI_MAKE_SURFACE_CAPS ", "
GST_CAPS_INTERLACED_FALSE "; "
GST_VIDEO_CAPS_MAKE (GST_VAAPI_FORMATS_ALL) ", "
GST_CAPS_INTERLACED_FALSE ";"
GST_VIDEO_CAPS_MAKE_WITH_FEATURES(GST_CAPS_FEATURE_MEMORY_DMABUF, GST_VAAPI_FORMATS_ALL) ","
GST_CAPS_INTERLACED_FALSE;
/* *INDENT-ON* */
/* *INDENT-OFF* */
static const char gst_vaapiencode_mpeg2_src_caps_str[] =
GST_CODEC_CAPS;
/* *INDENT-ON* */
/* *INDENT-OFF* */
static GstStaticPadTemplate gst_vaapiencode_mpeg2_sink_factory =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (gst_vaapiencode_mpeg2_sink_caps_str));
/* *INDENT-ON* */
/* *INDENT-OFF* */
static GstStaticPadTemplate gst_vaapiencode_mpeg2_src_factory =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (gst_vaapiencode_mpeg2_src_caps_str));
/* *INDENT-ON* */
/* mpeg2 encode */
G_DEFINE_TYPE (GstVaapiEncodeMpeg2, gst_vaapiencode_mpeg2,
GST_TYPE_VAAPIENCODE);
static void
gst_vaapiencode_mpeg2_init (GstVaapiEncodeMpeg2 * encode)
{
/* nothing to do here */
}
static void
gst_vaapiencode_mpeg2_finalize (GObject * object)
{
G_OBJECT_CLASS (gst_vaapiencode_mpeg2_parent_class)->finalize (object);
}
static GstCaps *
gst_vaapiencode_mpeg2_get_caps (GstVaapiEncode * base_encode)
{
GstCaps *caps;
caps = gst_caps_from_string (GST_CODEC_CAPS);
/* XXX: update profile and level information */
return caps;
}
static GstVaapiEncoder *
gst_vaapiencode_mpeg2_alloc_encoder (GstVaapiEncode * base,
GstVaapiDisplay * display)
{
return gst_vaapi_encoder_mpeg2_new (display);
}
static void
gst_vaapiencode_mpeg2_class_init (GstVaapiEncodeMpeg2Class * klass)
{
GObjectClass *const object_class = G_OBJECT_CLASS (klass);
GstElementClass *const element_class = GST_ELEMENT_CLASS (klass);
GstVaapiEncodeClass *const encode_class = GST_VAAPIENCODE_CLASS (klass);
gpointer encoder_class;
GST_DEBUG_CATEGORY_INIT (gst_vaapi_mpeg2_encode_debug,
GST_PLUGIN_NAME, 0, GST_PLUGIN_DESC);
object_class->finalize = gst_vaapiencode_mpeg2_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_mpeg2_get_caps;
encode_class->alloc_encoder = gst_vaapiencode_mpeg2_alloc_encoder;
gst_element_class_set_static_metadata (element_class,
"VA-API MPEG-2 encoder",
"Codec/Encoder/Video/Hardware",
GST_PLUGIN_DESC, "Guangxin Xu <guangxin.xu@intel.com>");
/* sink pad */
gst_element_class_add_static_pad_template (element_class,
&gst_vaapiencode_mpeg2_sink_factory);
/* src pad */
gst_element_class_add_static_pad_template (element_class,
&gst_vaapiencode_mpeg2_src_factory);
encoder_class = g_type_class_ref (GST_TYPE_VAAPI_ENCODER_MPEG2);
g_assert (encoder_class);
gst_vaapiencode_class_install_properties (encode_class, encoder_class);
g_type_class_unref (encoder_class);
}
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