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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
#include "gstmsdkmpeg2enc.h"
GST_DEBUG_CATEGORY_EXTERN (gst_msdkmpeg2enc_debug);
#define GST_CAT_DEFAULT gst_msdkmpeg2enc_debug
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/mpeg, "
"framerate = (fraction) [0/1, MAX], "
"width = (int) [ 1, MAX ], height = (int) [ 1, MAX ], "
"mpegversion = (int) 2 , systemstream = (bool) false, "
"profile = (string) { high, main, simple }")
);
#define gst_msdkmpeg2enc_parent_class parent_class
G_DEFINE_TYPE (GstMsdkMPEG2Enc, gst_msdkmpeg2enc, GST_TYPE_MSDKENC);
static gboolean
gst_msdkmpeg2enc_set_format (GstMsdkEnc * encoder)
{
GstMsdkMPEG2Enc *thiz = GST_MSDKMPEG2ENC (encoder);
GstCaps *template_caps;
GstCaps *allowed_caps = NULL;
thiz->profile = 0;
template_caps = gst_static_pad_template_get_caps (&src_factory);
allowed_caps = gst_pad_get_allowed_caps (GST_VIDEO_ENCODER_SRC_PAD (encoder));
/* If downstream has ANY caps let encoder decide profile and level */
if (allowed_caps == template_caps) {
GST_INFO_OBJECT (thiz,
"downstream has ANY caps, profile/level set to auto");
} else if (allowed_caps) {
GstStructure *s;
const gchar *profile;
if (gst_caps_is_empty (allowed_caps)) {
gst_caps_unref (allowed_caps);
gst_caps_unref (template_caps);
return FALSE;
}
allowed_caps = gst_caps_make_writable (allowed_caps);
allowed_caps = gst_caps_fixate (allowed_caps);
s = gst_caps_get_structure (allowed_caps, 0);
profile = gst_structure_get_string (s, "profile");
if (profile) {
if (!strcmp (profile, "high")) {
thiz->profile = MFX_PROFILE_MPEG2_HIGH;
} else if (!strcmp (profile, "main")) {
thiz->profile = MFX_PROFILE_MPEG2_MAIN;
} else if (!strcmp (profile, "simple")) {
thiz->profile = MFX_PROFILE_MPEG2_SIMPLE;
} else {
g_assert_not_reached ();
}
}
gst_caps_unref (allowed_caps);
}
gst_caps_unref (template_caps);
return TRUE;
}
static gboolean
gst_msdkmpeg2enc_configure (GstMsdkEnc * encoder)
{
GstMsdkMPEG2Enc *thiz = GST_MSDKMPEG2ENC (encoder);
encoder->param.mfx.CodecId = MFX_CODEC_MPEG2;
encoder->param.mfx.CodecProfile = thiz->profile;
encoder->param.mfx.CodecLevel = 0;
return TRUE;
}
static inline const gchar *
profile_to_string (gint profile)
{
switch (profile) {
case MFX_PROFILE_MPEG2_HIGH:
return "high";
case MFX_PROFILE_MPEG2_MAIN:
return "main";
case MFX_PROFILE_MPEG2_SIMPLE:
return "simple";
default:
break;
}
return NULL;
}
static GstCaps *
gst_msdkmpeg2enc_set_src_caps (GstMsdkEnc * encoder)
{
GstCaps *caps;
GstStructure *structure;
const gchar *profile;
caps = gst_caps_from_string ("video/mpeg, mpegversion=2, systemstream=false");
structure = gst_caps_get_structure (caps, 0);
profile = profile_to_string (encoder->param.mfx.CodecProfile);
if (profile)
gst_structure_set (structure, "profile", G_TYPE_STRING, profile, NULL);
return caps;
}
static void
gst_msdkmpeg2enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstMsdkMPEG2Enc *thiz = GST_MSDKMPEG2ENC (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_msdkmpeg2enc_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstMsdkMPEG2Enc *thiz = GST_MSDKMPEG2ENC (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_msdkmpeg2enc_class_init (GstMsdkMPEG2EncClass * 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_msdkmpeg2enc_set_property;
gobject_class->get_property = gst_msdkmpeg2enc_get_property;
encoder_class->set_format = gst_msdkmpeg2enc_set_format;
encoder_class->configure = gst_msdkmpeg2enc_configure;
encoder_class->set_src_caps = gst_msdkmpeg2enc_set_src_caps;
gst_msdkenc_install_common_properties (encoder_class);
gst_element_class_set_static_metadata (element_class,
"Intel MSDK MPEG2 encoder",
"Codec/Encoder/Video",
"MPEG2 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_msdkmpeg2enc_init (GstMsdkMPEG2Enc * thiz)
{
}
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