gstreamer/sys/msdk/gstmsdkh265enc.c

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/* GStreamer Intel MSDK plugin
* Copyright (c) 2016, Oblong Industries, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef HAVE_LIBMFX
# include <mfx/mfxplugin.h>
#else
# include "mfxplugin.h"
#endif
#include "gstmsdkh265enc.h"
GST_DEBUG_CATEGORY_EXTERN (gst_msdkh265enc_debug);
#define GST_CAT_DEFAULT gst_msdkh265enc_debug
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-h265, "
"framerate = (fraction) [0/1, MAX], "
"width = (int) [ 1, MAX ], height = (int) [ 1, MAX ], "
"stream-format = (string) byte-stream , alignment = (string) au , "
"profile = (string) main")
);
#define gst_msdkh265enc_parent_class parent_class
G_DEFINE_TYPE (GstMsdkH265Enc, gst_msdkh265enc, GST_TYPE_MSDKENC);
static gboolean
gst_msdkh265enc_set_format (GstMsdkEnc * encoder)
{
return TRUE;
}
static gboolean
gst_msdkh265enc_configure (GstMsdkEnc * encoder)
{
GstMsdkH265Enc *h265enc = GST_MSDKH265ENC (encoder);
mfxSession session;
mfxStatus status;
const mfxPluginUID *uid;
session = gst_msdk_context_get_session (encoder->context);
if (encoder->hardware)
uid = &MFX_PLUGINID_HEVCE_HW;
else
uid = &MFX_PLUGINID_HEVCE_SW;
status = MFXVideoUSER_Load (session, uid, 1);
if (status < MFX_ERR_NONE) {
GST_ERROR_OBJECT (h265enc, "Media SDK Plugin load failed (%s)",
msdk_status_to_string (status));
return FALSE;
} else if (status > MFX_ERR_NONE) {
GST_WARNING_OBJECT (h265enc, "Media SDK Plugin load warning: %s",
msdk_status_to_string (status));
}
encoder->param.mfx.CodecId = MFX_CODEC_HEVC;
encoder->param.mfx.CodecProfile = MFX_PROFILE_HEVC_MAIN;
/* IdrInterval field of MediaSDK HEVC encoder behaves differently
* than other encoders. IdrInteval == 1 indicate every
* I-frame should be an IDR, IdrInteval == 2 means every other
* I-frame is an IDR etc. So we generalize the behaviour of property
* "i-frames" by incrementing the value by one in each case*/
encoder->param.mfx.IdrInterval += 1;
return TRUE;
}
static inline const gchar *
level_to_string (gint level)
{
switch (level) {
case MFX_LEVEL_HEVC_1:
return "1";
case MFX_LEVEL_HEVC_2:
return "2";
case MFX_LEVEL_HEVC_21:
return "2.1";
case MFX_LEVEL_HEVC_3:
return "3";
case MFX_LEVEL_HEVC_31:
return "3.1";
case MFX_LEVEL_HEVC_4:
return "4";
case MFX_LEVEL_HEVC_41:
return "4.1";
case MFX_LEVEL_HEVC_5:
return "5";
case MFX_LEVEL_HEVC_51:
return "5.1";
case MFX_LEVEL_HEVC_52:
return "5.2";
case MFX_LEVEL_HEVC_6:
return "6";
case MFX_LEVEL_HEVC_61:
return "6.1";
case MFX_LEVEL_HEVC_62:
return "6.2";
default:
break;
}
return NULL;
}
static GstCaps *
gst_msdkh265enc_set_src_caps (GstMsdkEnc * encoder)
{
GstCaps *caps;
GstStructure *structure;
const gchar *level;
caps = gst_caps_new_empty_simple ("video/x-h265");
structure = gst_caps_get_structure (caps, 0);
gst_structure_set (structure, "stream-format", G_TYPE_STRING, "byte-stream",
NULL);
gst_structure_set (structure, "alignment", G_TYPE_STRING, "au", NULL);
gst_structure_set (structure, "profile", G_TYPE_STRING, "main", NULL);
level = level_to_string (encoder->param.mfx.CodecLevel);
if (level)
gst_structure_set (structure, "level", G_TYPE_STRING, level, NULL);
return caps;
}
static void
gst_msdkh265enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstMsdkH265Enc *thiz = GST_MSDKH265ENC (object);
if (!gst_msdkenc_set_common_property (object, prop_id, value, pspec))
GST_WARNING_OBJECT (thiz, "Failed to set common encode property");
}
static void
gst_msdkh265enc_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstMsdkH265Enc *thiz = GST_MSDKH265ENC (object);
if (!gst_msdkenc_get_common_property (object, prop_id, value, pspec))
GST_WARNING_OBJECT (thiz, "Failed to get common encode property");
}
static void
gst_msdkh265enc_class_init (GstMsdkH265EncClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
GstMsdkEncClass *encoder_class;
gobject_class = G_OBJECT_CLASS (klass);
element_class = GST_ELEMENT_CLASS (klass);
encoder_class = GST_MSDKENC_CLASS (klass);
gobject_class->set_property = gst_msdkh265enc_set_property;
gobject_class->get_property = gst_msdkh265enc_get_property;
encoder_class->set_format = gst_msdkh265enc_set_format;
encoder_class->configure = gst_msdkh265enc_configure;
encoder_class->set_src_caps = gst_msdkh265enc_set_src_caps;
gst_msdkenc_install_common_properties (encoder_class);
gst_element_class_set_static_metadata (element_class,
"Intel MSDK H265 encoder",
"Codec/Encoder/Video",
"H265 video encoder based on Intel Media SDK",
"Josep Torra <jtorra@oblong.com>");
gst_element_class_add_static_pad_template (element_class, &src_factory);
}
static void
gst_msdkh265enc_init (GstMsdkH265Enc * thiz)
{
}