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gstreamer/sys/mediafoundation/gstmfh264enc.cpp
Seungha Yang 8d0dc4fdd2 plugins: Update for documentation of Windows plugins 
* Add Since marks
* Make use of GST_PARAM_CONDITIONALLY_AVAILABLE flag
2020-07-02 17:21:29 +02:00

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/* GStreamer
* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
* 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-mfh264enc
* @title: mfh264enc
*
* This element encodes raw video into H264 compressed data.
*
* ## Example pipelines
* |[
* gst-launch-1.0 -v videotestsrc ! mfh264enc ! h264parse ! qtmux ! filesink location=videotestsrc.mp4
* ]| This example pipeline will encode a test video source to H264 using
* Media Foundation encoder, and muxes it in a mp4 container.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <gst/pbutils/pbutils.h>
#include "gstmfvideoenc.h"
#include "gstmfh264enc.h"
#include <wrl.h>
using namespace Microsoft::WRL;
GST_DEBUG_CATEGORY (gst_mf_h264_enc_debug);
#define GST_CAT_DEFAULT gst_mf_h264_enc_debug
enum
{
GST_MF_H264_ENC_RC_MODE_CBR = 0,
GST_MF_H264_ENC_RC_MODE_PEAK_CONSTRAINED_VBR,
GST_MF_H264_ENC_RC_MODE_UNCONSTRAINED_VBR,
GST_MF_H264_ENC_RC_MODE_QUALITY,
};
#define GST_TYPE_MF_H264_ENC_RC_MODE (gst_mf_h264_enc_rc_mode_get_type())
static GType
gst_mf_h264_enc_rc_mode_get_type (void)
{
static GType rc_mode_type = 0;
static const GEnumValue rc_mode_types[] = {
{GST_MF_H264_ENC_RC_MODE_CBR, "Constant bitrate", "cbr"},
{GST_MF_H264_ENC_RC_MODE_PEAK_CONSTRAINED_VBR,
"Peak Constrained variable bitrate", "pcvbr"},
{GST_MF_H264_ENC_RC_MODE_UNCONSTRAINED_VBR,
"Unconstrained variable bitrate", "uvbr"},
{GST_MF_H264_ENC_RC_MODE_QUALITY, "Quality-based variable bitrate", "qvbr"},
{0, NULL, NULL}
};
if (!rc_mode_type) {
rc_mode_type = g_enum_register_static ("GstMFH264EncRCMode", rc_mode_types);
}
return rc_mode_type;
}
enum
{
GST_MF_H264_ENC_ADAPTIVE_MODE_NONE,
GST_MF_H264_ENC_ADAPTIVE_MODE_FRAMERATE,
};
#define GST_TYPE_MF_H264_ENC_ADAPTIVE_MODE (gst_mf_h264_enc_adaptive_mode_get_type())
static GType
gst_mf_h264_enc_adaptive_mode_get_type (void)
{
static GType adaptive_mode_type = 0;
static const GEnumValue adaptive_mode_types[] = {
{GST_MF_H264_ENC_ADAPTIVE_MODE_NONE, "None", "none"},
{GST_MF_H264_ENC_ADAPTIVE_MODE_FRAMERATE,
"Adaptively change the frame rate", "framerate"},
{0, NULL, NULL}
};
if (!adaptive_mode_type) {
adaptive_mode_type =
g_enum_register_static ("GstMFH264EncAdaptiveMode",
adaptive_mode_types);
}
return adaptive_mode_type;
}
enum
{
GST_MF_H264_ENC_CONTENT_TYPE_UNKNOWN,
GST_MF_H264_ENC_CONTENT_TYPE_FIXED_CAMERA_ANGLE,
};
#define GST_TYPE_MF_H264_ENC_CONTENT_TYPE (gst_mf_h264_enc_content_type_get_type())
static GType
gst_mf_h264_enc_content_type_get_type (void)
{
static GType content_type = 0;
static const GEnumValue content_types[] = {
{GST_MF_H264_ENC_CONTENT_TYPE_UNKNOWN, "Unknown", "unknown"},
{GST_MF_H264_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 ("GstMFH264EncContentType", content_types);
}
return content_type;
}
enum
{
PROP_0,
PROP_BITRATE,
PROP_RC_MODE,
PROP_QUALITY,
PROP_ADAPTIVE_MODE,
PROP_BUFFER_SIZE,
PROP_MAX_BITRATE,
PROP_QUALITY_VS_SPEED,
PROP_CABAC,
PROP_SPS_ID,
PROP_PPS_ID,
PROP_BFRAMES,
PROP_GOP_SIZE,
PROP_THREADS,
PROP_CONTENT_TYPE,
PROP_QP,
PROP_LOW_LATENCY,
PROP_MIN_QP,
PROP_MAX_QP,
PROP_QP_I,
PROP_QP_P,
PROP_QP_B,
PROP_REF,
};
#define DEFAULT_BITRATE (2 * 1024)
#define DEFAULT_RC_MODE GST_MF_H264_ENC_RC_MODE_UNCONSTRAINED_VBR
#define DEFAULT_QUALITY_LEVEL 70
#define DEFAULT_ADAPTIVE_MODE GST_MF_H264_ENC_ADAPTIVE_MODE_NONE
#define DEFAULT_BUFFER_SIZE 0
#define DEFAULT_MAX_BITRATE 0
#define DEFAULT_QUALITY_VS_SPEED 50
#define DEFAULT_CABAC TRUE
#define DEFAULT_SPS_ID 0
#define DEFAULT_PPS_ID 0
#define DEFAULT_BFRAMES 0
#define DEFAULT_GOP_SIZE 0
#define DEFAULT_THREADS 0
#define DEFAULT_CONTENT_TYPE GST_MF_H264_ENC_CONTENT_TYPE_UNKNOWN
#define DEFAULT_QP 24
#define DEFAULT_LOW_LATENCY FALSE
#define DEFAULT_MIN_QP 0
#define DEFAULT_MAX_QP 51
#define DEFAULT_QP_I 26
#define DEFAULT_QP_P 26
#define DEFAULT_QP_B 26
#define DEFAULT_REF 2
#define GST_MF_H264_ENC_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_FROM_INSTANCE (obj), GstMFH264EncClass))
typedef struct _GstMFH264EncDeviceCaps
{
/* if CodecAPI is available */
gboolean rc_mode; /* AVEncCommonRateControlMode */
gboolean quality; /* AVEncCommonQuality */
gboolean adaptive_mode; /* AVEncAdaptiveMode */
gboolean buffer_size; /* AVEncCommonBufferSize */
gboolean max_bitrate; /* AVEncCommonMaxBitRate */
gboolean quality_vs_speed; /* AVEncCommonQualityVsSpeed */
gboolean cabac; /* AVEncH264CABACEnable */
gboolean sps_id; /* AVEncH264SPSID */
gboolean pps_id; /* AVEncH264PPSID */
gboolean bframes; /* AVEncMPVDefaultBPictureCount */
gboolean gop_size; /* AVEncMPVGOPSize */
gboolean threads; /* AVEncNumWorkerThreads */
gboolean content_type; /* AVEncVideoContentType */
gboolean qp; /* AVEncVideoEncodeQP */
gboolean force_keyframe; /* AVEncVideoForceKeyFrame */
gboolean low_latency; /* AVLowLatencyMode */
/* since Windows 8.1 */
gboolean min_qp; /* AVEncVideoMinQP */
gboolean max_qp; /* AVEncVideoMaxQP */
gboolean frame_type_qp; /* AVEncVideoEncodeFrameTypeQP */
gboolean max_num_ref; /* AVEncVideoMaxNumRefFrame */
guint max_num_ref_high;
guint max_num_ref_low;
} GstMFH264EncDeviceCaps;
typedef struct _GstMFH264Enc
{
GstMFVideoEnc parent;
/* properteies */
guint bitrate;
/* device dependent properties */
guint rc_mode;
guint quality;
guint adaptive_mode;
guint buffer_size;
guint max_bitrate;
guint quality_vs_speed;
gboolean cabac;
guint sps_id;
guint pps_id;
guint bframes;
guint gop_size;
guint threads;
guint content_type;
guint qp;
gboolean low_latency;
guint min_qp;
guint max_qp;
guint qp_i;
guint qp_p;
guint qp_b;
guint max_num_ref;
} GstMFH264Enc;
typedef struct _GstMFH264EncClass
{
GstMFVideoEncClass parent_class;
GstMFH264EncDeviceCaps device_caps;
} GstMFH264EncClass;
typedef struct
{
GstCaps *sink_caps;
GstCaps *src_caps;
gchar *device_name;
guint32 enum_flags;
guint device_index;
GstMFH264EncDeviceCaps device_caps;
gboolean is_default;
} GstMFH264EncClassData;
static GstElementClass *parent_class = NULL;
static void gst_mf_h264_enc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_mf_h264_enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static gboolean gst_mf_h264_enc_set_option (GstMFVideoEnc * mfenc,
IMFMediaType * output_type);
static gboolean gst_mf_h264_enc_set_src_caps (GstMFVideoEnc * mfenc,
GstVideoCodecState * state, IMFMediaType * output_type);
static void
gst_mf_h264_enc_class_init (GstMFH264EncClass * 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);
GstMFH264EncClassData *cdata = (GstMFH264EncClassData *) data;
GstMFH264EncDeviceCaps *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_h264_enc_get_property;
gobject_class->set_property = gst_mf_h264_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",
GST_TYPE_MF_H264_ENC_RC_MODE, DEFAULT_RC_MODE,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
/* NOTE: documentation will be done by only for default device */
if (cdata->is_default) {
gst_type_mark_as_plugin_api (GST_TYPE_MF_H264_ENC_RC_MODE,
(GstPluginAPIFlags) 0);
}
}
/* quality and qp has the identical meaning but scale is different
* use qp if available */
if (device_caps->quality && !device_caps->qp) {
g_object_class_install_property (gobject_class, PROP_QUALITY,
g_param_spec_uint ("quality", "Quality",
"Quality applied when rc-mode is qvbr",
1, 100, DEFAULT_QUALITY_LEVEL,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
}
if (device_caps->adaptive_mode) {
g_object_class_install_property (gobject_class, PROP_ADAPTIVE_MODE,
g_param_spec_enum ("adaptive-mode", "Adaptive Mode",
"Adaptive Mode", GST_TYPE_MF_H264_ENC_ADAPTIVE_MODE,
DEFAULT_ADAPTIVE_MODE,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
/* NOTE: documentation will be done by only for default device */
if (cdata->is_default) {
gst_type_mark_as_plugin_api (GST_TYPE_MF_H264_ENC_ADAPTIVE_MODE,
(GstPluginAPIFlags) 0);
}
}
if (device_caps->buffer_size) {
g_object_class_install_property (gobject_class, PROP_BUFFER_SIZE,
g_param_spec_uint ("vbv-buffer-size", "VBV Buffer Size",
"VBV(HRD) Buffer Size in bytes (0 = MFT default)",
0, G_MAXUINT - 1, DEFAULT_BUFFER_SIZE,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
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, (G_MAXUINT >> 10), DEFAULT_MAX_BITRATE,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
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", 0, 100,
DEFAULT_QUALITY_VS_SPEED,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
}
if (device_caps->cabac) {
g_object_class_install_property (gobject_class, PROP_CABAC,
g_param_spec_boolean ("cabac", "Use CABAC",
"Enable CABAC entropy coding",
DEFAULT_CABAC,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
}
if (device_caps->sps_id) {
g_object_class_install_property (gobject_class, PROP_SPS_ID,
g_param_spec_uint ("sps-id", "SPS Id",
"The SPS id to use", 0, 31,
DEFAULT_SPS_ID,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
}
if (device_caps->pps_id) {
g_object_class_install_property (gobject_class, PROP_PPS_ID,
g_param_spec_uint ("pps-id", "PPS Id",
"The PPS id to use", 0, 255,
DEFAULT_PPS_ID,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
}
if (device_caps->bframes) {
g_object_class_install_property (gobject_class, PROP_BFRAMES,
g_param_spec_uint ("bframes", "bframes",
"The maximum number of consecutive B frames", 0, 2,
DEFAULT_BFRAMES,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
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)", 0, G_MAXUINT - 1, DEFAULT_GOP_SIZE,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
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)",
0, 16, DEFAULT_THREADS,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
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",
GST_TYPE_MF_H264_ENC_CONTENT_TYPE, DEFAULT_CONTENT_TYPE,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
/* NOTE: documentation will be done by only for default device */
if (cdata->is_default) {
gst_type_mark_as_plugin_api (GST_TYPE_MF_H264_ENC_CONTENT_TYPE,
(GstPluginAPIFlags) 0);
}
}
if (device_caps->qp) {
g_object_class_install_property (gobject_class, PROP_QP,
g_param_spec_uint ("qp", "qp",
"QP applied when rc-mode is \"qvbr\"", 16, 51,
DEFAULT_QP,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
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",
DEFAULT_LOW_LATENCY,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
}
if (device_caps->min_qp) {
g_object_class_install_property (gobject_class, PROP_MIN_QP,
g_param_spec_uint ("min-qp", "Min QP",
"The minimum allowed QP applied to all rc-mode", 0, 51,
DEFAULT_MIN_QP,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
}
if (device_caps->max_qp) {
g_object_class_install_property (gobject_class, PROP_MAX_QP,
g_param_spec_uint ("max-qp", "Max QP",
"The maximum allowed QP applied to all rc-mode", 0, 51,
DEFAULT_MAX_QP,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
}
if (device_caps->frame_type_qp) {
g_object_class_install_property (gobject_class, PROP_QP_I,
g_param_spec_uint ("qp-i", "QP I",
"QP applied to I frames", 0, 51,
DEFAULT_QP_I,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_QP_P,
g_param_spec_uint ("qp-p", "QP P",
"QP applied to P frames", 0, 51,
DEFAULT_QP_P,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_QP_B,
g_param_spec_uint ("qp-b", "QP B",
"QP applied to B frames", 0, 51,
DEFAULT_QP_B,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
}
if (device_caps->max_num_ref) {
g_object_class_install_property (gobject_class, PROP_REF,
g_param_spec_uint ("ref", "Reference Frames",
"The number of reference frames",
device_caps->max_num_ref_low, device_caps->max_num_ref_high,
DEFAULT_REF,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
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 H.264 Encoder",
"Seungha Yang <seungha.yang@navercorp.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_h264_enc_set_option);
mfenc_class->set_src_caps = GST_DEBUG_FUNCPTR (gst_mf_h264_enc_set_src_caps);
mfenc_class->codec_id = MFVideoFormat_H264;
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_h264_enc_init (GstMFH264Enc * self)
{
self->bitrate = DEFAULT_BITRATE;
self->rc_mode = DEFAULT_RC_MODE;
self->quality = DEFAULT_QUALITY_LEVEL;
self->adaptive_mode = DEFAULT_ADAPTIVE_MODE;
self->max_bitrate = DEFAULT_MAX_BITRATE;
self->quality_vs_speed = DEFAULT_QUALITY_VS_SPEED;
self->cabac = DEFAULT_CABAC;
self->sps_id = DEFAULT_SPS_ID;
self->pps_id = DEFAULT_PPS_ID;
self->bframes = DEFAULT_BFRAMES;
self->gop_size = DEFAULT_GOP_SIZE;
self->threads = DEFAULT_THREADS;
self->content_type = DEFAULT_CONTENT_TYPE;
self->qp = DEFAULT_QP;
self->low_latency = DEFAULT_LOW_LATENCY;
self->min_qp = DEFAULT_MIN_QP;
self->max_qp = DEFAULT_MAX_QP;
self->qp_i = DEFAULT_QP_I;
self->qp_p = DEFAULT_QP_P;
self->qp_b = DEFAULT_QP_B;
self->max_num_ref = DEFAULT_REF;
}
static void
gst_mf_h264_enc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstMFH264Enc *self = (GstMFH264Enc *) (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_QUALITY:
g_value_set_uint (value, self->quality);
break;
case PROP_ADAPTIVE_MODE:
g_value_set_enum (value, self->adaptive_mode);
break;
case PROP_BUFFER_SIZE:
g_value_set_uint (value, self->buffer_size);
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_CABAC:
g_value_set_boolean (value, self->cabac);
break;
case PROP_SPS_ID:
g_value_set_uint (value, self->sps_id);
break;
case PROP_PPS_ID:
g_value_set_uint (value, self->pps_id);
break;
case PROP_BFRAMES:
g_value_set_uint (value, self->bframes);
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_QP:
g_value_set_uint (value, self->qp);
break;
case PROP_LOW_LATENCY:
g_value_set_boolean (value, self->low_latency);
break;
case PROP_MIN_QP:
g_value_set_uint (value, self->min_qp);
break;
case PROP_MAX_QP:
g_value_set_uint (value, self->max_qp);
break;
case PROP_QP_I:
g_value_set_uint (value, self->qp_i);
break;
case PROP_QP_P:
g_value_set_uint (value, self->qp_p);
break;
case PROP_QP_B:
g_value_set_uint (value, self->qp_b);
break;
case PROP_REF:
g_value_set_uint (value, self->max_num_ref);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_mf_h264_enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstMFH264Enc *self = (GstMFH264Enc *) (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_QUALITY:
self->quality = g_value_get_uint (value);
break;
case PROP_ADAPTIVE_MODE:
self->adaptive_mode = g_value_get_enum (value);
break;
case PROP_BUFFER_SIZE:
self->buffer_size = g_value_get_uint (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_CABAC:
self->cabac = g_value_get_boolean (value);
break;
case PROP_SPS_ID:
self->sps_id = g_value_get_uint (value);
break;
case PROP_PPS_ID:
self->pps_id = g_value_get_uint (value);
break;
case PROP_BFRAMES:
self->bframes = 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_QP:
self->qp = g_value_get_uint (value);
break;
case PROP_LOW_LATENCY:
self->low_latency = g_value_get_boolean (value);
break;
case PROP_MIN_QP:
self->min_qp = g_value_get_uint (value);
break;
case PROP_MAX_QP:
self->max_qp = g_value_get_uint (value);
break;
case PROP_QP_I:
self->qp_i = g_value_get_uint (value);
break;
case PROP_QP_P:
self->qp_p = g_value_get_uint (value);
break;
case PROP_QP_B:
self->qp_b = g_value_get_uint (value);
break;
case PROP_REF:
self->max_num_ref = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static guint
gst_mf_h264_enc_rc_mode_to_enum (guint rc_mode)
{
switch (rc_mode) {
case GST_MF_H264_ENC_RC_MODE_CBR:
return eAVEncCommonRateControlMode_CBR;
case GST_MF_H264_ENC_RC_MODE_PEAK_CONSTRAINED_VBR:
return eAVEncCommonRateControlMode_PeakConstrainedVBR;
case GST_MF_H264_ENC_RC_MODE_UNCONSTRAINED_VBR:
return eAVEncCommonRateControlMode_UnconstrainedVBR;
case GST_MF_H264_ENC_RC_MODE_QUALITY:
return eAVEncCommonRateControlMode_Quality;
default:
return G_MAXUINT;
}
}
static guint
gst_mf_h264_enc_adaptive_mode_to_enum (guint rc_mode)
{
switch (rc_mode) {
case GST_MF_H264_ENC_ADAPTIVE_MODE_NONE:
return eAVEncAdaptiveMode_None;
case GST_MF_H264_ENC_ADAPTIVE_MODE_FRAMERATE:
return eAVEncAdaptiveMode_FrameRate;
default:
return G_MAXUINT;
}
}
static guint
gst_mf_h264_enc_content_type_to_enum (guint rc_mode)
{
switch (rc_mode) {
case GST_MF_H264_ENC_CONTENT_TYPE_UNKNOWN:
return eAVEncVideoContentType_Unknown;
case GST_MF_H264_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_h264_enc_set_option (GstMFVideoEnc * mfenc, IMFMediaType * output_type)
{
GstMFH264Enc *self = (GstMFH264Enc *) mfenc;
GstMFH264EncClass *klass = GST_MF_H264_ENC_GET_CLASS (self);
GstMFH264EncDeviceCaps *device_caps = &klass->device_caps;
HRESULT hr;
GstCaps *allowed_caps, *template_caps;
guint selected_profile = eAVEncH264VProfile_Main;
gint level_idc = -1;
GstMFTransform *transform = mfenc->transform;
template_caps =
gst_pad_get_pad_template_caps (GST_VIDEO_ENCODER_SRC_PAD (self));
allowed_caps = gst_pad_get_allowed_caps (GST_VIDEO_ENCODER_SRC_PAD (self));
if (template_caps == allowed_caps) {
GST_INFO_OBJECT (self, "downstream has ANY caps");
} else if (allowed_caps) {
GstStructure *s;
const gchar *profile;
const gchar *level;
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, "baseline")) {
selected_profile = eAVEncH264VProfile_Base;
} else if (g_str_has_prefix (profile, "high")) {
selected_profile = eAVEncH264VProfile_High;
} else if (g_str_has_prefix (profile, "main")) {
selected_profile = eAVEncH264VProfile_Main;
}
}
level = gst_structure_get_string (s, "level");
if (level)
level_idc = gst_codec_utils_h264_get_level_idc (level);
gst_caps_unref (allowed_caps);
}
gst_caps_unref (template_caps);
hr = output_type->SetGUID (MF_MT_SUBTYPE, MFVideoFormat_H264);
if (!gst_mf_result (hr))
return FALSE;
hr = output_type->SetUINT32 (MF_MT_MPEG2_PROFILE, selected_profile);
if (!gst_mf_result (hr))
return FALSE;
if (level_idc >= eAVEncH264VLevel1 && level_idc <= eAVEncH264VLevel5_2) {
hr = output_type->SetUINT32 (MF_MT_MPEG2_LEVEL, level_idc);
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_h264_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->quality && !device_caps->qp) {
hr = gst_mf_transform_set_codec_api_uint32 (transform,
&CODECAPI_AVEncCommonQuality, self->quality);
WARNING_HR (hr, CODECAPI_AVEncCommonQuality);
}
if (device_caps->adaptive_mode) {
guint adaptive_mode;
adaptive_mode =
gst_mf_h264_enc_adaptive_mode_to_enum (self->adaptive_mode);
if (adaptive_mode != G_MAXUINT) {
hr = gst_mf_transform_set_codec_api_uint32 (transform,
&CODECAPI_AVEncAdaptiveMode, adaptive_mode);
WARNING_HR (hr, CODECAPI_AVEncAdaptiveMode);
}
}
if (device_caps->buffer_size && self->buffer_size > 0) {
hr = gst_mf_transform_set_codec_api_uint32 (transform,
&CODECAPI_AVEncCommonBufferSize, self->buffer_size);
WARNING_HR (hr, CODECAPI_AVEncCommonBufferSize);
}
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->cabac && selected_profile != eAVEncH264VProfile_Base) {
hr = gst_mf_transform_set_codec_api_boolean (transform,
&CODECAPI_AVEncH264CABACEnable, self->cabac);
WARNING_HR (hr, CODECAPI_AVEncH264CABACEnable);
}
if (device_caps->sps_id) {
hr = gst_mf_transform_set_codec_api_uint32 (transform,
&CODECAPI_AVEncH264SPSID, self->sps_id);
WARNING_HR (hr, CODECAPI_AVEncH264SPSID);
}
if (device_caps->pps_id) {
hr = gst_mf_transform_set_codec_api_uint32 (transform,
&CODECAPI_AVEncH264PPSID, self->pps_id);
WARNING_HR (hr, CODECAPI_AVEncH264PPSID);
}
if (device_caps->bframes && selected_profile != eAVEncH264VProfile_Base) {
hr = gst_mf_transform_set_codec_api_uint32 (transform,
&CODECAPI_AVEncMPVDefaultBPictureCount, self->bframes);
WARNING_HR (hr, CODECAPI_AVEncMPVDefaultBPictureCount);
}
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_h264_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->qp) {
hr = gst_mf_transform_set_codec_api_uint64 (transform,
&CODECAPI_AVEncVideoEncodeQP, self->qp);
WARNING_HR (hr, CODECAPI_AVEncVideoEncodeQP);
}
if (device_caps->low_latency) {
hr = gst_mf_transform_set_codec_api_boolean (transform,
&CODECAPI_AVLowLatencyMode, self->low_latency);
WARNING_HR (hr, CODECAPI_AVLowLatencyMode);
}
if (device_caps->min_qp) {
hr = gst_mf_transform_set_codec_api_uint32 (transform,
&CODECAPI_AVEncVideoMinQP, self->min_qp);
WARNING_HR (hr, CODECAPI_AVEncVideoMinQP);
}
if (device_caps->max_qp) {
hr = gst_mf_transform_set_codec_api_uint32 (transform,
&CODECAPI_AVEncVideoMaxQP, self->max_qp);
WARNING_HR (hr, CODECAPI_AVEncVideoMaxQP);
}
if (device_caps->frame_type_qp) {
guint64 type_qp = 0;
type_qp =
(guint64) self->qp_i | (guint64) self->qp_p << 16 |
(guint64) self->qp_b << 32;
hr = gst_mf_transform_set_codec_api_uint64 (transform,
&CODECAPI_AVEncVideoEncodeFrameTypeQP, type_qp);
WARNING_HR (hr, CODECAPI_AVEncVideoEncodeFrameTypeQP);
}
if (device_caps->max_num_ref) {
hr = gst_mf_transform_set_codec_api_uint32 (transform,
&CODECAPI_AVEncVideoMaxNumRefFrame, self->max_num_ref);
WARNING_HR (hr, CODECAPI_AVEncVideoMaxNumRefFrame);
}
return TRUE;
}
static gboolean
gst_mf_h264_enc_set_src_caps (GstMFVideoEnc * mfenc,
GstVideoCodecState * state, IMFMediaType * output_type)
{
GstMFH264Enc *self = (GstMFH264Enc *) mfenc;
GstVideoCodecState *out_state;
GstStructure *s;
GstCaps *out_caps;
GstTagList *tags;
out_caps = gst_caps_new_empty_simple ("video/x-h264");
s = gst_caps_get_structure (out_caps, 0);
gst_structure_set (s, "stream-format", G_TYPE_STRING, "byte-stream",
"alignment", G_TYPE_STRING, "au", NULL);
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_h264_enc_register (GstPlugin * plugin, guint rank,
const gchar * device_name, const GstMFH264EncDeviceCaps * device_caps,
guint32 enum_flags, guint device_index,
GstCaps * sink_caps, GstCaps * src_caps)
{
GType type;
gchar *type_name;
gchar *feature_name;
gint i;
GstMFH264EncClassData *cdata;
gboolean is_default = TRUE;
GTypeInfo type_info = {
sizeof (GstMFH264EncClass),
NULL,
NULL,
(GClassInitFunc) gst_mf_h264_enc_class_init,
NULL,
NULL,
sizeof (GstMFH264Enc),
0,
(GInstanceInitFunc) gst_mf_h264_enc_init,
};
cdata = g_new0 (GstMFH264EncClassData, 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 ("GstMFH264Enc");
feature_name = g_strdup ("mfh264enc");
i = 1;
while (g_type_from_name (type_name) != 0) {
g_free (type_name);
g_free (feature_name);
type_name = g_strdup_printf ("GstMFH264Device%dEnc", i);
feature_name = g_strdup_printf ("mfh264device%denc", i);
is_default = FALSE;
i++;
}
cdata->is_default = is_default;
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);
}
typedef struct
{
guint width;
guint height;
} GstMFH264EncResolution;
typedef struct
{
eAVEncH264VProfile profile;
const gchar *profile_str;
} GStMFH264EncProfileMap;
static void
gst_mf_h264_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;
GstMFH264EncDeviceCaps device_caps = { 0, };
IMFActivate *activate;
IMFTransform *encoder;
ICodecAPI *codec_api;
ComPtr<IMFMediaType> out_type;
GstMFH264EncResolution resolutions_to_check[] = {
{1920, 1088}, {2560, 1440}, {3840, 2160}, {4096, 2160}, {8192, 4320}
};
guint max_width = 0;
guint max_height = 0;
guint resolution;
GStMFH264EncProfileMap profiles_to_check[] = {
{ eAVEncH264VProfile_High, "high" },
{ eAVEncH264VProfile_Main, "main" },
{ eAVEncH264VProfile_Base, "baseline" },
};
guint num_profiles = 0;
GValue profiles = G_VALUE_INIT;
/* 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;
}
g_value_init (&profiles, GST_TYPE_LIST);
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 profiles and 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_H264);
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);
for (i = 0; i < G_N_ELEMENTS (profiles_to_check); i++) {
GValue profile_val = G_VALUE_INIT;
hr = out_type->SetUINT32 (MF_MT_MPEG2_PROFILE,
profiles_to_check[i].profile);
if (!gst_mf_result (hr))
goto done;
hr = MFSetAttributeSize (out_type.Get (), MF_MT_FRAME_SIZE,
resolutions_to_check[0].width, resolutions_to_check[0].height);
if (!gst_mf_result (hr))
break;
if (!gst_mf_transform_set_output_type (transform, out_type.Get ()))
break;
GST_DEBUG_OBJECT (transform, "MFT supports h264 %s profile",
profiles_to_check[i].profile_str);
g_value_init (&profile_val, G_TYPE_STRING);
g_value_set_static_string (&profile_val, profiles_to_check[i].profile_str);
gst_value_list_append_and_take_value (&profiles, &profile_val);
num_profiles++;
/* clear media type */
gst_mf_transform_set_output_type (transform, NULL);
}
if (num_profiles == 0) {
GST_WARNING_OBJECT (transform, "Couldn't query supported profile");
goto done;
}
/* baseline is default profile */
hr = out_type->SetUINT32 (MF_MT_MPEG2_PROFILE, eAVEncH264VProfile_Base);
if (!gst_mf_result (hr))
goto done;
GST_DEBUG_OBJECT (transform, "Check supported resolutions of %s",
device_name);
/* FIXME: This would take so long time.
* Need to find smart way to find supported resolution*/
#if 0
for (i = 0; i < G_N_ELEMENTS (resolutions_to_check); i++) {
guint width, height;
width = resolutions_to_check[i].width;
height = resolutions_to_check[i].height;
hr = MFSetAttributeSize (out_type.Get (), MF_MT_FRAME_SIZE, width, height);
if (!gst_mf_result (hr))
break;
if (!gst_mf_transform_set_output_type (transform, out_type.Get ()))
break;
max_width = width;
max_height = height;
GST_DEBUG_OBJECT (transform,
"MFT supports resolution %dx%d", max_width, max_height);
/* clear media type */
gst_mf_transform_set_output_type (transform, NULL);
}
if (max_width == 0 || max_height == 0) {
GST_WARNING_OBJECT (transform, "Couldn't query supported resolution");
goto done;
}
#else
/* FIXME: don't hardcode supported resolution */
max_width = max_height = 8192;
#endif
/* high profile supported since windows8 */
src_caps = gst_caps_from_string ("video/x-h264, "
"stream-format=(string) byte-stream, "
"alignment=(string) au");
gst_caps_set_value (src_caps, "profile", &profiles);
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);
/* To cover both landscape and portrait, select max value */
resolution = MAX (max_width, max_height);
gst_caps_set_simple (sink_caps,
"width", GST_TYPE_INT_RANGE, 64, resolution,
"height", GST_TYPE_INT_RANGE, 64, resolution, NULL);
gst_caps_set_simple (src_caps,
"width", GST_TYPE_INT_RANGE, 64, resolution,
"height", GST_TYPE_INT_RANGE, 64, resolution, 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_AVEncCommonQuality, quality);
CHECK_DEVICE_CAPS (codec_api, CODECAPI_AVEncAdaptiveMode, adaptive_mode);
CHECK_DEVICE_CAPS (codec_api, CODECAPI_AVEncCommonBufferSize, buffer_size);
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_AVEncH264CABACEnable, cabac);
CHECK_DEVICE_CAPS (codec_api, CODECAPI_AVEncH264SPSID, sps_id);
CHECK_DEVICE_CAPS (codec_api, CODECAPI_AVEncH264PPSID, pps_id);
CHECK_DEVICE_CAPS (codec_api, CODECAPI_AVEncMPVDefaultBPictureCount, bframes);
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_AVEncVideoEncodeQP, qp);
CHECK_DEVICE_CAPS (codec_api,
CODECAPI_AVEncVideoForceKeyFrame, force_keyframe);
CHECK_DEVICE_CAPS (codec_api, CODECAPI_AVLowLatencyMode, low_latency);
CHECK_DEVICE_CAPS (codec_api, CODECAPI_AVEncVideoMinQP, min_qp);
CHECK_DEVICE_CAPS (codec_api, CODECAPI_AVEncVideoMaxQP, max_qp);
CHECK_DEVICE_CAPS (codec_api,
CODECAPI_AVEncVideoEncodeFrameTypeQP, frame_type_qp);
CHECK_DEVICE_CAPS (codec_api, CODECAPI_AVEncVideoMaxNumRefFrame, max_num_ref);
if (device_caps.max_num_ref) {
VARIANT min;
VARIANT max;
VARIANT step;
hr = codec_api->GetParameterRange (&CODECAPI_AVEncVideoMaxNumRefFrame,
&min, &max, &step);
if (SUCCEEDED (hr)) {
device_caps.max_num_ref = TRUE;
device_caps.max_num_ref_high = max.uiVal;
device_caps.max_num_ref_low = min.uiVal;
VariantClear (&min);
VariantClear (&max);
VariantClear (&step);
}
}
gst_mf_h264_enc_register (plugin, rank, device_name,
&device_caps, enum_flags, device_index, sink_caps, src_caps);
done:
g_value_unset (&profiles);
g_free (device_name);
}
void
gst_mf_h264_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_h264_enc_debug, "mfh264enc", 0, "mfh264enc");
output_type.guidMajorType = MFMediaType_Video;
output_type.guidSubtype = MFVideoFormat_H264;
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_h264_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_h264_enc_plugin_init_internal (plugin, rank, transform,
enum_params.device_index, enum_params.enum_flags);
gst_clear_object (&transform);
}
} while (do_next);
}
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