gstreamer/subprojects/gstreamer-vaapi/gst/vaapi/gstvaapiencode_vp9.c

231 lines
7.1 KiB
C

/*
* gstvaapiencode_vp9.c - VA-API VP9 encoder
*
* Copyright (C) 2016 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-vaapivp9enc
* @short_description: A VA-API based VP9 video encoder
*
* Encodes raw video streams into VP9 bitstreams.
*
* ## Example launch line
*
* |[
* gst-launch-1.0 -ev videotestsrc num-buffers=60 ! timeoverlay ! vaapivp9enc ! matroskamux ! filesink location=test.mkv
* ]|
*/
#include "gstcompat.h"
#include <gst/vaapi/gstvaapidisplay.h>
#include <gst/vaapi/gstvaapiencoder_vp9.h>
#include <gst/vaapi/gstvaapiutils_vpx.h>
#include "gstvaapiencode_vp9.h"
#include "gstvaapipluginutil.h"
#include "gstvaapivideomemory.h"
#define GST_PLUGIN_NAME "vaapivp9enc"
#define GST_PLUGIN_DESC "A VA-API based VP9 video encoder"
GST_DEBUG_CATEGORY_STATIC (gst_vaapi_vp9_encode_debug);
#define GST_CAT_DEFAULT gst_vaapi_vp9_encode_debug
#define GST_CODEC_CAPS \
"video/x-vp9"
#define EXTRA_FORMATS {}
/* vp9 encode */
GST_VAAPI_ENCODE_REGISTER_TYPE (vp9, VP9, VP9, EXTRA_FORMATS,
gst_vaapi_utils_vp9_get_profile_string);
static void
gst_vaapiencode_vp9_init (GstVaapiEncodeVP9 * encode)
{
/* nothing to do here */
}
static void
gst_vaapiencode_vp9_finalize (GObject * object)
{
G_OBJECT_CLASS (gst_vaapiencode_vp9_parent_class)->finalize (object);
}
static GArray *
gst_vaapiencode_vp9_get_allowed_profiles (GstVaapiEncode * encode,
GstCaps * allowed)
{
return gst_vaapi_encoder_get_profiles_from_caps (allowed,
gst_vaapi_utils_vp9_get_profile_from_string);
}
static GstCaps *
gst_vaapiencode_vp9_get_caps (GstVaapiEncode * base_encode)
{
GstCaps *caps;
GstVaapiProfile profile;
const gchar *profile_str;
caps = gst_caps_from_string (GST_CODEC_CAPS);
profile = gst_vaapi_encoder_get_profile (base_encode->encoder);
profile_str = gst_vaapi_utils_vp9_get_profile_string (profile);
if (profile_str)
gst_caps_set_simple (caps, "profile", G_TYPE_STRING, profile_str, NULL);
return caps;
}
static GstVaapiEncoder *
gst_vaapiencode_vp9_alloc_encoder (GstVaapiEncode * base,
GstVaapiDisplay * display)
{
return gst_vaapi_encoder_vp9_new (display);
}
static gboolean
gst_vaapiencode_vp9_set_config (GstVaapiEncode * base_encode)
{
GstVaapiEncoderVP9 *const encoder =
GST_VAAPI_ENCODER_VP9 (base_encode->encoder);
GstCaps *allowed_caps = NULL;
GstCaps *template_caps = NULL;
GArray *profiles = NULL;
GArray *profiles_hw = NULL;
GArray *profiles_allowed = NULL;
GstVaapiProfile profile;
gboolean ret = TRUE;
guint i, j;
profiles_hw = gst_vaapi_display_get_encode_profiles_by_codec
(GST_VAAPI_PLUGIN_BASE_DISPLAY (base_encode), GST_VAAPI_CODEC_VP9);
if (!profiles_hw) {
ret = FALSE;
goto out;
}
template_caps =
gst_pad_get_pad_template_caps (GST_VAAPI_PLUGIN_BASE_SRC_PAD
(base_encode));
allowed_caps =
gst_pad_get_allowed_caps (GST_VAAPI_PLUGIN_BASE_SRC_PAD (base_encode));
if (!allowed_caps || allowed_caps == template_caps) {
ret = gst_vaapi_encoder_vp9_set_allowed_profiles (encoder, profiles_hw);
goto out;
} else if (gst_caps_is_empty (allowed_caps)) {
ret = FALSE;
goto out;
}
profiles = gst_vaapi_encoder_get_profiles_from_caps (allowed_caps,
gst_vaapi_utils_vp9_get_profile_from_string);
if (!profiles) {
ret = FALSE;
goto out;
}
profiles_allowed = g_array_new (FALSE, FALSE, sizeof (GstVaapiProfile));
if (!profiles_allowed) {
ret = FALSE;
goto out;
}
for (i = 0; i < profiles->len; i++) {
profile = g_array_index (profiles, GstVaapiProfile, i);
for (j = 0; j < profiles_hw->len; j++) {
GstVaapiProfile p = g_array_index (profiles_hw, GstVaapiProfile, j);
if (p == profile) {
g_array_append_val (profiles_allowed, profile);
break;
}
}
}
if (profiles_allowed->len == 0) {
ret = FALSE;
goto out;
}
ret = gst_vaapi_encoder_vp9_set_allowed_profiles (encoder, profiles_allowed);
out:
if (allowed_caps)
gst_caps_unref (allowed_caps);
if (template_caps)
gst_caps_unref (template_caps);
if (profiles)
g_array_unref (profiles);
if (profiles_hw)
g_array_unref (profiles_hw);
if (profiles_allowed)
g_array_unref (profiles_allowed);
return ret;
}
static void
gst_vaapiencode_vp9_class_init (GstVaapiEncodeVP9Class * 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_vp9_finalize;
object_class->set_property = gst_vaapiencode_set_property_subclass;
object_class->get_property = gst_vaapiencode_get_property_subclass;
encode_class->get_allowed_profiles = gst_vaapiencode_vp9_get_allowed_profiles;
encode_class->get_caps = gst_vaapiencode_vp9_get_caps;
encode_class->alloc_encoder = gst_vaapiencode_vp9_alloc_encoder;
encode_class->set_config = gst_vaapiencode_vp9_set_config;
gst_element_class_set_static_metadata (element_class,
"VA-API VP9 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_VP9);
g_assert (encoder_class);
gst_vaapiencode_class_install_properties (encode_class, encoder_class);
g_type_class_unref (encoder_class);
}