--- /dev/null
+/* GStreamer
+ * Copyright (C) 2020 Seungha Yang <seungha@centricular.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+/**
+ * SECTION:element-mfvp9enc
+ * @title: mfvp9enc
+ *
+ * This element encodes raw video into VP9 compressed data.
+ *
+ * ## Example pipelines
+ * |[
+ * gst-launch-1.0 -v videotestsrc ! mfvp9enc ! matroskamux ! filesink location=videotestsrc.mkv
+ * ]| This example pipeline will encode a test video source to VP9 using
+ * Media Foundation encoder, and muxes it in a mkv container.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/gst.h>
+#include "gstmfvideoenc.h"
+#include "gstmfvp9enc.h"
+#include <wrl.h>
+
+using namespace Microsoft::WRL;
+
+GST_DEBUG_CATEGORY (gst_mf_vp9_enc_debug);
+#define GST_CAT_DEFAULT gst_mf_vp9_enc_debug
+
+enum
+{
+ GST_MF_VP9_ENC_RC_MODE_CBR = 0,
+ GST_MF_VP9_ENC_RC_MODE_QUALITY,
+};
+
+#define GST_TYPE_MF_VP9_ENC_RC_MODE (gst_mf_vp9_enc_rc_mode_get_type())
+static GType
+gst_mf_vp9_enc_rc_mode_get_type (void)
+{
+ static GType rc_mode_type = 0;
+
+ static const GEnumValue rc_mode_types[] = {
+ {GST_MF_VP9_ENC_RC_MODE_CBR, "Constant bitrate", "cbr"},
+ {GST_MF_VP9_ENC_RC_MODE_QUALITY, "Quality-based variable bitrate", "qvbr"},
+ {0, NULL, NULL}
+ };
+
+ if (!rc_mode_type) {
+ rc_mode_type = g_enum_register_static ("GstMFVP9EncRCMode", rc_mode_types);
+ }
+ return rc_mode_type;
+}
+
+enum
+{
+ GST_MF_VP9_ENC_CONTENT_TYPE_UNKNOWN,
+ GST_MF_VP9_ENC_CONTENT_TYPE_FIXED_CAMERA_ANGLE,
+};
+
+#define GST_TYPE_MF_VP9_ENC_CONTENT_TYPE (gst_mf_vp9_enc_content_type_get_type())
+static GType
+gst_mf_vp9_enc_content_type_get_type (void)
+{
+ static GType content_type = 0;
+
+ static const GEnumValue content_types[] = {
+ {GST_MF_VP9_ENC_CONTENT_TYPE_UNKNOWN, "Unknown", "unknown"},
+ {GST_MF_VP9_ENC_CONTENT_TYPE_FIXED_CAMERA_ANGLE,
+ "Fixed Camera Angle, such as a webcam", "fixed"},
+ {0, NULL, NULL}
+ };
+
+ if (!content_type) {
+ content_type =
+ g_enum_register_static ("GstMFVP9EncContentType", content_types);
+ }
+ return content_type;
+}
+
+enum
+{
+ PROP_0,
+ PROP_BITRATE,
+ PROP_RC_MODE,
+ PROP_MAX_BITRATE,
+ PROP_QUALITY_VS_SPEED,
+ PROP_GOP_SIZE,
+ PROP_THREADS,
+ PROP_CONTENT_TYPE,
+ PROP_LOW_LATENCY,
+};
+
+#define DEFAULT_BITRATE (2 * 1024)
+#define DEFAULT_RC_MODE GST_MF_VP9_ENC_RC_MODE_CBR
+#define DEFAULT_MAX_BITRATE 0
+#define DEFAULT_QUALITY_VS_SPEED 50
+#define DEFAULT_GOP_SIZE 0
+#define DEFAULT_THREADS 0
+#define DEFAULT_CONTENT_TYPE GST_MF_VP9_ENC_CONTENT_TYPE_UNKNOWN
+#define DEFAULT_LOW_LATENCY FALSE
+
+#define GST_MF_VP9_ENC_GET_CLASS(obj) \
+ (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_FROM_INSTANCE (obj), GstMFVP9EncClass))
+
+typedef struct _GstMFVP9EncDeviceCaps
+{
+ gboolean rc_mode; /* AVEncCommonRateControlMode */
+ gboolean max_bitrate; /* AVEncCommonMaxBitRate */
+ gboolean quality_vs_speed; /* AVEncCommonQualityVsSpeed */
+ gboolean gop_size; /* AVEncMPVGOPSize */
+ gboolean threads; /* AVEncNumWorkerThreads */
+ gboolean content_type; /* AVEncVideoContentType */
+ gboolean force_keyframe; /* AVEncVideoForceKeyFrame */
+ gboolean low_latency; /* AVLowLatencyMode */
+} GstMFVP9EncDeviceCaps;
+
+typedef struct _GstMFVP9Enc
+{
+ GstMFVideoEnc parent;
+
+ /* properteies */
+ guint bitrate;
+
+ /* device dependent properties */
+ guint rc_mode;
+ guint max_bitrate;
+ guint quality_vs_speed;
+ guint gop_size;
+ guint threads;
+ guint content_type;
+ gboolean low_latency;
+} GstMFVP9Enc;
+
+typedef struct _GstMFVP9EncClass
+{
+ GstMFVideoEncClass parent_class;
+
+ GstMFVP9EncDeviceCaps device_caps;
+} GstMFVP9EncClass;
+
+typedef struct
+{
+ GstCaps *sink_caps;
+ GstCaps *src_caps;
+ gchar *device_name;
+ guint32 enum_flags;
+ guint device_index;
+ GstMFVP9EncDeviceCaps device_caps;
+} GstMFVP9EncClassData;
+
+static GstElementClass *parent_class = NULL;
+
+static void gst_mf_vp9_enc_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+static void gst_mf_vp9_enc_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static gboolean gst_mf_vp9_enc_set_option (GstMFVideoEnc * mfenc,
+ IMFMediaType * output_type);
+static gboolean gst_mf_vp9_enc_set_src_caps (GstMFVideoEnc * mfenc,
+ GstVideoCodecState * state, IMFMediaType * output_type);
+
+static void
+gst_mf_vp9_enc_class_init (GstMFVP9EncClass * klass, gpointer data)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+ GstMFVideoEncClass *mfenc_class = GST_MF_VIDEO_ENC_CLASS (klass);
+ GstMFVP9EncClassData *cdata = (GstMFVP9EncClassData *) data;
+ GstMFVP9EncDeviceCaps *device_caps = &cdata->device_caps;
+ gchar *long_name;
+ gchar *classification;
+
+ parent_class = (GstElementClass *) g_type_class_peek_parent (klass);
+ klass->device_caps = *device_caps;
+
+ gobject_class->get_property = gst_mf_vp9_enc_get_property;
+ gobject_class->set_property = gst_mf_vp9_enc_set_property;
+
+ g_object_class_install_property (gobject_class, PROP_BITRATE,
+ g_param_spec_uint ("bitrate", "Bitrate", "Bitrate in kbit/sec", 1,
+ (G_MAXUINT >> 10), DEFAULT_BITRATE,
+ (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
+
+ if (device_caps->rc_mode) {
+ g_object_class_install_property (gobject_class, PROP_RC_MODE,
+ g_param_spec_enum ("rc-mode", "Rate Control Mode",
+ "Rate Control Mode "
+ "(Exposed only if supported by device)",
+ GST_TYPE_MF_VP9_ENC_RC_MODE, DEFAULT_RC_MODE,
+ (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
+ }
+
+ if (device_caps->max_bitrate) {
+ g_object_class_install_property (gobject_class, PROP_MAX_BITRATE,
+ g_param_spec_uint ("max-bitrate", "Max Bitrate",
+ "The maximum bitrate applied when rc-mode is \"pcvbr\" in kbit/sec "
+ "(0 = MFT default) (Exposed only if supported by device)", 0,
+ (G_MAXUINT >> 10),
+ DEFAULT_MAX_BITRATE,
+ (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
+ }
+
+ if (device_caps->quality_vs_speed) {
+ g_object_class_install_property (gobject_class, PROP_QUALITY_VS_SPEED,
+ g_param_spec_uint ("quality-vs-speed", "Quality Vs Speed",
+ "Quality and speed tradeoff, [0, 33]: Low complexity, "
+ "[34, 66]: Medium complexity, [67, 100]: High complexity "
+ "(Exposed only if supported by device)", 0, 100,
+ DEFAULT_QUALITY_VS_SPEED,
+ (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
+ }
+
+ if (device_caps->gop_size) {
+ g_object_class_install_property (gobject_class, PROP_GOP_SIZE,
+ g_param_spec_uint ("gop-size", "GOP size",
+ "The number of pictures from one GOP header to the next, "
+ "(0 = MFT default) "
+ "(Exposed only if supported by device)", 0, G_MAXUINT - 1,
+ DEFAULT_GOP_SIZE,
+ (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
+ }
+
+ if (device_caps->threads) {
+ g_object_class_install_property (gobject_class, PROP_THREADS,
+ g_param_spec_uint ("threads", "Threads",
+ "The number of worker threads used by a encoder, "
+ "(0 = MFT default) "
+ "(Exposed only if supported by device)", 0, 16,
+ DEFAULT_THREADS,
+ (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
+ }
+
+ if (device_caps->content_type) {
+ g_object_class_install_property (gobject_class, PROP_CONTENT_TYPE,
+ g_param_spec_enum ("content-type", "Content Type",
+ "Indicates the type of video content "
+ "(Exposed only if supported by device)",
+ GST_TYPE_MF_VP9_ENC_CONTENT_TYPE, DEFAULT_CONTENT_TYPE,
+ (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
+ }
+
+ if (device_caps->low_latency) {
+ g_object_class_install_property (gobject_class, PROP_LOW_LATENCY,
+ g_param_spec_boolean ("low-latency", "Low Latency",
+ "Enable low latency encoding "
+ "(Exposed only if supported by device)",
+ DEFAULT_LOW_LATENCY,
+ (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
+ }
+
+ long_name = g_strdup_printf ("Media Foundation %s", cdata->device_name);
+ classification = g_strdup_printf ("Codec/Encoder/Video%s",
+ (cdata->enum_flags & MFT_ENUM_FLAG_HARDWARE) == MFT_ENUM_FLAG_HARDWARE ?
+ "/Hardware" : "");
+ gst_element_class_set_metadata (element_class, long_name,
+ classification,
+ "Microsoft Media Foundation VP9 Encoder",
+ "Seungha Yang <seungha@centricular.com>");
+ g_free (long_name);
+ g_free (classification);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
+ cdata->sink_caps));
+ gst_element_class_add_pad_template (element_class,
+ gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
+ cdata->src_caps));
+
+ mfenc_class->set_option = GST_DEBUG_FUNCPTR (gst_mf_vp9_enc_set_option);
+ mfenc_class->set_src_caps = GST_DEBUG_FUNCPTR (gst_mf_vp9_enc_set_src_caps);
+
+ mfenc_class->codec_id = MFVideoFormat_VP90;
+ mfenc_class->enum_flags = cdata->enum_flags;
+ mfenc_class->device_index = cdata->device_index;
+ mfenc_class->can_force_keyframe = device_caps->force_keyframe;
+
+ g_free (cdata->device_name);
+ gst_caps_unref (cdata->sink_caps);
+ gst_caps_unref (cdata->src_caps);
+ g_free (cdata);
+}
+
+static void
+gst_mf_vp9_enc_init (GstMFVP9Enc * self)
+{
+ self->bitrate = DEFAULT_BITRATE;
+ self->rc_mode = DEFAULT_RC_MODE;
+ self->max_bitrate = DEFAULT_MAX_BITRATE;
+ self->quality_vs_speed = DEFAULT_QUALITY_VS_SPEED;
+ self->gop_size = DEFAULT_GOP_SIZE;
+ self->threads = DEFAULT_THREADS;
+ self->content_type = DEFAULT_CONTENT_TYPE;
+ self->low_latency = DEFAULT_LOW_LATENCY;
+}
+
+static void
+gst_mf_vp9_enc_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstMFVP9Enc *self = (GstMFVP9Enc *) (object);
+
+ switch (prop_id) {
+ case PROP_BITRATE:
+ g_value_set_uint (value, self->bitrate);
+ break;
+ case PROP_RC_MODE:
+ g_value_set_enum (value, self->rc_mode);
+ break;
+ case PROP_MAX_BITRATE:
+ g_value_set_uint (value, self->max_bitrate);
+ break;
+ case PROP_QUALITY_VS_SPEED:
+ g_value_set_uint (value, self->quality_vs_speed);
+ break;
+ case PROP_GOP_SIZE:
+ g_value_set_uint (value, self->gop_size);
+ break;
+ case PROP_THREADS:
+ g_value_set_uint (value, self->threads);
+ break;
+ case PROP_CONTENT_TYPE:
+ g_value_set_enum (value, self->content_type);
+ break;
+ case PROP_LOW_LATENCY:
+ g_value_set_boolean (value, self->low_latency);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_mf_vp9_enc_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstMFVP9Enc *self = (GstMFVP9Enc *) (object);
+
+ switch (prop_id) {
+ case PROP_BITRATE:
+ self->bitrate = g_value_get_uint (value);
+ break;
+ case PROP_RC_MODE:
+ self->rc_mode = g_value_get_enum (value);
+ break;
+ case PROP_MAX_BITRATE:
+ self->max_bitrate = g_value_get_uint (value);
+ break;
+ case PROP_QUALITY_VS_SPEED:
+ self->quality_vs_speed = g_value_get_uint (value);
+ break;
+ case PROP_GOP_SIZE:
+ self->gop_size = g_value_get_uint (value);
+ break;
+ case PROP_THREADS:
+ self->threads = g_value_get_uint (value);
+ break;
+ case PROP_CONTENT_TYPE:
+ self->content_type = g_value_get_enum (value);
+ break;
+ case PROP_LOW_LATENCY:
+ self->low_latency = g_value_get_boolean (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static guint
+gst_mf_vp9_enc_rc_mode_to_enum (guint rc_mode)
+{
+ switch (rc_mode) {
+ case GST_MF_VP9_ENC_RC_MODE_CBR:
+ return eAVEncCommonRateControlMode_CBR;
+ case GST_MF_VP9_ENC_RC_MODE_QUALITY:
+ return eAVEncCommonRateControlMode_Quality;
+ default:
+ return G_MAXUINT;
+ }
+}
+
+static guint
+gst_mf_vp9_enc_content_type_to_enum (guint rc_mode)
+{
+ switch (rc_mode) {
+ case GST_MF_VP9_ENC_CONTENT_TYPE_UNKNOWN:
+ return eAVEncVideoContentType_Unknown;
+ case GST_MF_VP9_ENC_CONTENT_TYPE_FIXED_CAMERA_ANGLE:
+ return eAVEncVideoContentType_FixedCameraAngle;
+ default:
+ return G_MAXUINT;
+ }
+}
+
+#define WARNING_HR(hr,func) \
+ G_STMT_START { \
+ if (!gst_mf_result (hr)) { \
+ GST_WARNING_OBJECT (self, G_STRINGIFY(func) " failed, hr: 0x%x", (guint) hr); \
+ } \
+ } G_STMT_END
+
+static gboolean
+gst_mf_vp9_enc_set_option (GstMFVideoEnc * mfenc, IMFMediaType * output_type)
+{
+ GstMFVP9Enc *self = (GstMFVP9Enc *) mfenc;
+ GstMFVP9EncClass *klass = GST_MF_VP9_ENC_GET_CLASS (self);
+ GstMFVP9EncDeviceCaps *device_caps = &klass->device_caps;
+ HRESULT hr;
+ GstMFTransform *transform = mfenc->transform;
+
+ hr = output_type->SetGUID (MF_MT_SUBTYPE, MFVideoFormat_VP90);
+ if (!gst_mf_result (hr))
+ return FALSE;
+
+ if (!gst_mf_result (hr))
+ return FALSE;
+
+ hr = output_type->SetUINT32 (MF_MT_AVG_BITRATE,
+ MIN (self->bitrate * 1024, G_MAXUINT - 1));
+ if (!gst_mf_result (hr))
+ return FALSE;
+
+ if (device_caps->rc_mode) {
+ guint rc_mode;
+ rc_mode = gst_mf_vp9_enc_rc_mode_to_enum (self->rc_mode);
+ if (rc_mode != G_MAXUINT) {
+ hr = gst_mf_transform_set_codec_api_uint32 (transform,
+ &CODECAPI_AVEncCommonRateControlMode, rc_mode);
+ WARNING_HR (hr, CODECAPI_AVEncCommonRateControlMode);
+ }
+ }
+
+ if (device_caps->max_bitrate && self->max_bitrate > 0) {
+ hr = gst_mf_transform_set_codec_api_uint32 (transform,
+ &CODECAPI_AVEncCommonMaxBitRate,
+ MIN (self->max_bitrate * 1024, G_MAXUINT - 1));
+ WARNING_HR (hr, CODECAPI_AVEncCommonMaxBitRate);
+ }
+
+ if (device_caps->quality_vs_speed) {
+ hr = gst_mf_transform_set_codec_api_uint32 (transform,
+ &CODECAPI_AVEncCommonQualityVsSpeed,
+ self->quality_vs_speed);
+ WARNING_HR (hr, CODECAPI_AVEncCommonQualityVsSpeed);
+ }
+
+ if (device_caps->gop_size) {
+ hr = gst_mf_transform_set_codec_api_uint32 (transform,
+ &CODECAPI_AVEncMPVGOPSize, self->gop_size);
+ WARNING_HR (hr, CODECAPI_AVEncMPVGOPSize);
+ }
+
+ if (device_caps->threads) {
+ hr = gst_mf_transform_set_codec_api_uint32 (transform,
+ &CODECAPI_AVEncNumWorkerThreads, self->threads);
+ WARNING_HR (hr, CODECAPI_AVEncNumWorkerThreads);
+ }
+
+ if (device_caps->content_type) {
+ guint content_type;
+ content_type = gst_mf_vp9_enc_content_type_to_enum (self->content_type);
+ if (content_type != G_MAXUINT) {
+ hr = gst_mf_transform_set_codec_api_uint32 (transform,
+ &CODECAPI_AVEncVideoContentType, content_type);
+ WARNING_HR (hr, CODECAPI_AVEncVideoContentType);
+ }
+ }
+
+ if (device_caps->low_latency) {
+ hr = gst_mf_transform_set_codec_api_boolean (transform,
+ &CODECAPI_AVLowLatencyMode, self->low_latency);
+ WARNING_HR (hr, CODECAPI_AVLowLatencyMode);
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gst_mf_vp9_enc_set_src_caps (GstMFVideoEnc * mfenc,
+ GstVideoCodecState * state, IMFMediaType * output_type)
+{
+ GstMFVP9Enc *self = (GstMFVP9Enc *) mfenc;
+ GstVideoCodecState *out_state;
+ GstStructure *s;
+ GstCaps *out_caps;
+ GstTagList *tags;
+
+ out_caps = gst_caps_new_empty_simple ("video/x-vp9");
+ s = gst_caps_get_structure (out_caps, 0);
+
+ out_state = gst_video_encoder_set_output_state (GST_VIDEO_ENCODER (self),
+ out_caps, state);
+
+ GST_INFO_OBJECT (self, "output caps: %" GST_PTR_FORMAT, out_state->caps);
+
+ /* encoder will keep it around for us */
+ gst_video_codec_state_unref (out_state);
+
+ tags = gst_tag_list_new_empty ();
+ gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE, GST_TAG_ENCODER,
+ gst_element_get_metadata (GST_ELEMENT_CAST (self),
+ GST_ELEMENT_METADATA_LONGNAME), NULL);
+ gst_video_encoder_merge_tags (GST_VIDEO_ENCODER (self), tags,
+ GST_TAG_MERGE_REPLACE);
+ gst_tag_list_unref (tags);
+
+ return TRUE;
+
+}
+
+static void
+gst_mf_vp9_enc_register (GstPlugin * plugin, guint rank,
+ const gchar * device_name, const GstMFVP9EncDeviceCaps * device_caps,
+ guint32 enum_flags, guint device_index,
+ GstCaps * sink_caps, GstCaps * src_caps)
+{
+ GType type;
+ gchar *type_name;
+ gchar *feature_name;
+ gint i;
+ GstMFVP9EncClassData *cdata;
+ gboolean is_default = TRUE;
+ GTypeInfo type_info = {
+ sizeof (GstMFVP9EncClass),
+ NULL,
+ NULL,
+ (GClassInitFunc) gst_mf_vp9_enc_class_init,
+ NULL,
+ NULL,
+ sizeof (GstMFVP9Enc),
+ 0,
+ (GInstanceInitFunc) gst_mf_vp9_enc_init,
+ };
+
+ cdata = g_new0 (GstMFVP9EncClassData, 1);
+ cdata->sink_caps = sink_caps;
+ cdata->src_caps = src_caps;
+ cdata->device_name = g_strdup (device_name);
+ cdata->device_caps = *device_caps;
+ cdata->enum_flags = enum_flags;
+ cdata->device_index = device_index;
+ type_info.class_data = cdata;
+
+ type_name = g_strdup ("GstMFVP9Enc");
+ feature_name = g_strdup ("mfvp9enc");
+
+ i = 1;
+ while (g_type_from_name (type_name) != 0) {
+ g_free (type_name);
+ g_free (feature_name);
+ type_name = g_strdup_printf ("GstMFVP9Device%dEnc", i);
+ feature_name = g_strdup_printf ("mfvp9device%denc", i);
+ is_default = FALSE;
+ i++;
+ }
+
+ type =
+ g_type_register_static (GST_TYPE_MF_VIDEO_ENC, type_name, &type_info,
+ (GTypeFlags) 0);
+
+ /* make lower rank than default device */
+ if (rank > 0 && !is_default)
+ rank--;
+
+ if (!gst_element_register (plugin, feature_name, rank, type))
+ GST_WARNING ("Failed to register plugin '%s'", type_name);
+
+ g_free (type_name);
+ g_free (feature_name);
+}
+
+static void
+gst_mf_vp9_enc_plugin_init_internal (GstPlugin * plugin, guint rank,
+ GstMFTransform * transform, guint device_index, guint32 enum_flags)
+{
+ HRESULT hr;
+ MFT_REGISTER_TYPE_INFO *infos;
+ UINT32 info_size;
+ gint i;
+ GstCaps *src_caps = NULL;
+ GstCaps *sink_caps = NULL;
+ GValue *supported_formats = NULL;
+ gboolean have_I420 = FALSE;
+ gchar *device_name = NULL;
+ GstMFVP9EncDeviceCaps device_caps = { 0, };
+ IMFActivate *activate;
+ IMFTransform *encoder;
+ ICodecAPI *codec_api;
+ ComPtr<IMFMediaType> out_type;
+
+ /* NOTE: depending on environment,
+ * some enumerated h/w MFT might not be usable (e.g., multiple GPU case) */
+ if (!gst_mf_transform_open (transform))
+ return;
+
+ activate = gst_mf_transform_get_activate_handle (transform);
+ if (!activate) {
+ GST_WARNING_OBJECT (transform, "No IMFActivate interface available");
+ return;
+ }
+
+ encoder = gst_mf_transform_get_transform_handle (transform);
+ if (!encoder) {
+ GST_WARNING_OBJECT (transform, "No IMFTransform interface available");
+ return;
+ }
+
+ codec_api = gst_mf_transform_get_codec_api_handle (transform);
+ if (!codec_api) {
+ GST_WARNING_OBJECT (transform, "No ICodecAPI interface available");
+ return;
+ }
+
+ g_object_get (transform, "device-name", &device_name, NULL);
+ if (!device_name) {
+ GST_WARNING_OBJECT (transform, "Unknown device name");
+ return;
+ }
+
+ hr = activate->GetAllocatedBlob (MFT_INPUT_TYPES_Attributes,
+ (UINT8 **) & infos, &info_size);
+ if (!gst_mf_result (hr))
+ goto done;
+
+ for (i = 0; i < info_size / sizeof (MFT_REGISTER_TYPE_INFO); i++) {
+ GstVideoFormat vformat;
+ GValue val = G_VALUE_INIT;
+
+ vformat = gst_mf_video_subtype_to_video_format (&infos[i].guidSubtype);
+ if (vformat == GST_VIDEO_FORMAT_UNKNOWN)
+ continue;
+
+ if (!supported_formats) {
+ supported_formats = g_new0 (GValue, 1);
+ g_value_init (supported_formats, GST_TYPE_LIST);
+ }
+
+ /* media foundation has duplicated formats IYUV and I420 */
+ if (vformat == GST_VIDEO_FORMAT_I420) {
+ if (have_I420)
+ continue;
+
+ have_I420 = TRUE;
+ }
+
+ g_value_init (&val, G_TYPE_STRING);
+ g_value_set_static_string (&val, gst_video_format_to_string (vformat));
+
+ gst_value_list_append_and_take_value (supported_formats, &val);
+ }
+
+ CoTaskMemFree (infos);
+
+ if (!supported_formats)
+ goto done;
+
+ /* check supported resolutions */
+ hr = MFCreateMediaType (out_type.GetAddressOf ());
+ if (!gst_mf_result (hr))
+ goto done;
+
+ hr = out_type->SetGUID (MF_MT_MAJOR_TYPE, MFMediaType_Video);
+ if (!gst_mf_result (hr))
+ goto done;
+
+ hr = out_type->SetGUID (MF_MT_SUBTYPE, MFVideoFormat_VP90);
+ if (!gst_mf_result (hr))
+ goto done;
+
+ hr = out_type->SetUINT32 (MF_MT_AVG_BITRATE, 2048000);
+ if (!gst_mf_result (hr))
+ goto done;
+
+ hr = MFSetAttributeRatio (out_type.Get (), MF_MT_FRAME_RATE, 30, 1);
+ if (!gst_mf_result (hr))
+ goto done;
+
+ hr = out_type->SetUINT32 (MF_MT_INTERLACE_MODE, MFVideoInterlace_Progressive);
+ if (!gst_mf_result (hr))
+ goto done;
+
+ GST_DEBUG_OBJECT (transform, "Check supported profiles of %s",
+ device_name);
+
+ src_caps = gst_caps_new_empty_simple ("video/x-vp9");
+ sink_caps = gst_caps_new_empty_simple ("video/x-raw");
+ gst_caps_set_value (sink_caps, "format", supported_formats);
+ g_value_unset (supported_formats);
+ g_free (supported_formats);
+
+ /* FIXME: don't hardcode resolution */
+ gst_caps_set_simple (sink_caps,
+ "width", GST_TYPE_INT_RANGE, 64, 8192,
+ "height", GST_TYPE_INT_RANGE, 64, 8192, NULL);
+ gst_caps_set_simple (src_caps,
+ "width", GST_TYPE_INT_RANGE, 64, 8192,
+ "height", GST_TYPE_INT_RANGE, 64, 8192, NULL);
+
+ GST_MINI_OBJECT_FLAG_SET (sink_caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
+ GST_MINI_OBJECT_FLAG_SET (src_caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
+
+#define CHECK_DEVICE_CAPS(codec_obj,api,val) \
+ if (SUCCEEDED((codec_obj)->IsSupported(&(api)))) {\
+ device_caps.val = TRUE; \
+ }
+
+ CHECK_DEVICE_CAPS (codec_api, CODECAPI_AVEncCommonRateControlMode, rc_mode);
+ CHECK_DEVICE_CAPS (codec_api, CODECAPI_AVEncCommonMaxBitRate, max_bitrate);
+ CHECK_DEVICE_CAPS (codec_api,
+ CODECAPI_AVEncCommonQualityVsSpeed, quality_vs_speed);
+ CHECK_DEVICE_CAPS (codec_api, CODECAPI_AVEncMPVGOPSize, gop_size);
+ CHECK_DEVICE_CAPS (codec_api, CODECAPI_AVEncNumWorkerThreads, threads);
+ CHECK_DEVICE_CAPS (codec_api, CODECAPI_AVEncVideoContentType, content_type);
+ CHECK_DEVICE_CAPS (codec_api,
+ CODECAPI_AVEncVideoForceKeyFrame, force_keyframe);
+ CHECK_DEVICE_CAPS (codec_api, CODECAPI_AVLowLatencyMode, low_latency);
+
+ gst_mf_vp9_enc_register (plugin, rank, device_name,
+ &device_caps, enum_flags, device_index, sink_caps, src_caps);
+
+done:
+ g_free (device_name);
+}
+
+void
+gst_mf_vp9_enc_plugin_init (GstPlugin * plugin, guint rank)
+{
+ GstMFTransformEnumParams enum_params = { 0, };
+ MFT_REGISTER_TYPE_INFO output_type;
+ GstMFTransform *transform;
+ gint i;
+ gboolean do_next;
+
+ GST_DEBUG_CATEGORY_INIT (gst_mf_vp9_enc_debug, "mfvp9enc", 0, "mfvp9enc");
+
+ output_type.guidMajorType = MFMediaType_Video;
+ output_type.guidSubtype = MFVideoFormat_VP90;
+
+ enum_params.category = MFT_CATEGORY_VIDEO_ENCODER;
+ enum_params.enum_flags = (MFT_ENUM_FLAG_HARDWARE | MFT_ENUM_FLAG_ASYNCMFT |
+ MFT_ENUM_FLAG_SORTANDFILTER | MFT_ENUM_FLAG_SORTANDFILTER_APPROVED_ONLY);
+ enum_params.output_typeinfo = &output_type;
+
+ /* register hardware encoders first */
+ i = 0;
+ do {
+ enum_params.device_index = i++;
+ transform = gst_mf_transform_new (&enum_params);
+ do_next = TRUE;
+
+ if (!transform) {
+ do_next = FALSE;
+ } else {
+ gst_mf_vp9_enc_plugin_init_internal (plugin, rank, transform,
+ enum_params.device_index, enum_params.enum_flags);
+ gst_clear_object (&transform);
+ }
+ } while (do_next);
+
+ /* register software encoders */
+ enum_params.enum_flags = (MFT_ENUM_FLAG_SYNCMFT |
+ MFT_ENUM_FLAG_SORTANDFILTER | MFT_ENUM_FLAG_SORTANDFILTER_APPROVED_ONLY);
+ i = 0;
+ do {
+ enum_params.device_index = i++;
+ transform = gst_mf_transform_new (&enum_params);
+ do_next = TRUE;
+
+ if (!transform) {
+ do_next = FALSE;
+ } else {
+ gst_mf_vp9_enc_plugin_init_internal (plugin, rank, transform,
+ enum_params.device_index, enum_params.enum_flags);
+ gst_clear_object (&transform);
+ }
+ } while (do_next);
+}