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gstreamer/subprojects/gst-plugins-bad/sys/mediafoundation/gstmfh264enc.cpp
Seungha Yang 7ce3fccf25 mediafoundation: Update for documentation 
* Use GST_PARAM_DOC_SHOW_DEFAULT flags for GPU ID related
  properties
* Add doc caps
* Add since markers

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3250>
2022-10-24 12:42:51 +00:00

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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 "gstmfconfig.h"
#include <gst/gst.h>
#include <gst/pbutils/pbutils.h>
#include "gstmfvideoencoder.h"
#include "gstmfh264enc.h"
#include <wrl.h>
#if GST_MF_HAVE_D3D11
#include <gst/d3d11/gstd3d11.h>
#endif
/* *INDENT-OFF* */
using namespace Microsoft::WRL;
/* *INDENT-ON* */
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,
};
/**
* GstMFH264EncRCMode:
*
* Since: 1.18
*/
#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, nullptr, nullptr}
};
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,
};
/**
* GstMFH264EncAdaptiveMode:
*
* Since: 1.18
*/
#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, nullptr, nullptr}
};
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,
};
/**
* GstMFH264EncContentType:
*
* Since: 1.18
*/
#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, nullptr, nullptr}
};
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,
PROP_D3D11_AWARE,
PROP_ADAPTER_LUID,
};
#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 -1
#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 DOC_SINK_CAPS_COMM \
"format = (string) NV12, " \
"width = (int) [ 64, 8192 ], height = (int) [ 64, 8192 ]"
#define DOC_SINK_CAPS \
"video/x-raw(memory:D3D11Memory), " DOC_SINK_CAPS_COMM "; " \
"video/x-raw, " DOC_SINK_CAPS_COMM
#define DOC_SRC_CAPS \
"video/x-h264, width = (int) [ 64, 8192 ], height = (int) [ 64, 8192 ], " \
"stream-format = (string) byte-stream, alignment = (string) au, " \
"profile = (string) { high, main, constrained-baseline, baseline }"
typedef struct _GstMFH264Enc
{
GstMFVideoEncoder parent;
GMutex prop_lock;
gboolean prop_updated;
/* properties */
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;
gint 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;
gchar *profile_str;
} GstMFH264Enc;
typedef struct _GstMFH264EncClass
{
GstMFVideoEncoderClass parent_class;
} GstMFH264EncClass;
static GstElementClass *parent_class = nullptr;
static void gst_mf_h264_enc_finalize (GObject * object);
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 (GstMFVideoEncoder * mfenc,
GstVideoCodecState * state, IMFMediaType * output_type);
static gboolean gst_mf_h264_enc_set_src_caps (GstMFVideoEncoder * mfenc,
GstVideoCodecState * state, IMFMediaType * output_type);
static gboolean gst_mf_h264_enc_check_reconfigure (GstMFVideoEncoder * encoder);
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);
GstMFVideoEncoderClass *mfenc_class = GST_MF_VIDEO_ENCODER_CLASS (klass);
GstMFVideoEncoderClassData *cdata = (GstMFVideoEncoderClassData *) data;
GstMFVideoEncoderDeviceCaps *device_caps = &cdata->device_caps;
gchar *long_name;
gchar *classification;
GstPadTemplate *pad_templ;
GstCaps *doc_caps;
parent_class = (GstElementClass *) g_type_class_peek_parent (klass);
gobject_class->finalize = gst_mf_h264_enc_finalize;
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) {
/**
* GstMFH264Enc:rc-mode:
*
* Since: 1.18
*/
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) {
/**
* GstMFH264Enc:quality:
*
* Since: 1.18
*/
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) {
/**
* GstMFH264Enc:adaptive-mode:
*
* Since: 1.18
*/
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) {
/**
* GstMFH264Enc:vbv-buffer-size:
*
* Since: 1.18
*/
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) {
/**
* GstMFH264Enc:max-bitrate:
*
* Since: 1.18
*/
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) {
/**
* GstMFH264Enc:quality-vs-speed:
*
* Since: 1.18
*/
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) {
/**
* GstMFH264Enc:cabac:
*
* Since: 1.18
*/
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) {
/**
* GstMFH264Enc:sps-id:
*
* Since: 1.18
*/
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) {
/**
* GstMFH264Enc:pps-id:
*
* Since: 1.18
*/
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) {
/**
* GstMFH264Enc:bframes:
*
* Since: 1.18
*/
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) {
/**
* GstMFH264Enc:gop-size:
*
* Since: 1.18
*/
g_object_class_install_property (gobject_class, PROP_GOP_SIZE,
g_param_spec_int ("gop-size", "GOP size",
"The number of pictures from one GOP header to the next. "
"Depending on GPU vendor implementation, zero gop-size might "
"produce only one keyframe at the beginning (-1 for automatic)",
-1, G_MAXINT, DEFAULT_GOP_SIZE,
(GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE |
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
}
if (device_caps->threads) {
/**
* GstMFH264Enc:threads:
*
* Since: 1.18
*/
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) {
/**
* GstMFH264Enc:content-type:
*
* Since: 1.18
*/
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) {
/**
* GstMFH264Enc:qp:
*
* Since: 1.18
*/
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) {
/**
* GstMFH264Enc:low-latency:
*
* Since: 1.18
*/
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) {
/**
* GstMFH264Enc:min-qp:
*
* Since: 1.18
*/
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) {
/**
* GstMFH264Enc:max-qp:
*
* Since: 1.18
*/
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) {
/**
* GstMFH264Enc:qp-i:
*
* Since: 1.18
*/
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)));
/**
* GstMFH264Enc:qp-p:
*
* Since: 1.18
*/
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)));
/**
* GstMFH264Enc:qp-b:
*
* Since: 1.18
*/
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) {
/**
* GstMFH264Enc:ref:
*
* Since: 1.18
*/
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)));
}
/**
* GstMFH264Enc:d3d11-aware:
*
* Whether element supports Direct3D11 texture as an input or not
*
* Since: 1.20
*/
g_object_class_install_property (gobject_class, PROP_D3D11_AWARE,
g_param_spec_boolean ("d3d11-aware", "D3D11 Aware",
"Whether device can support Direct3D11 interop",
device_caps->d3d11_aware,
(GParamFlags) (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)));
/**
* GstMFH264Enc:adapter-luid:
*
* DXGI Adapter LUID for this elemenet
*
* Since: 1.20
*/
if (device_caps->d3d11_aware) {
g_object_class_install_property (gobject_class, PROP_ADAPTER_LUID,
g_param_spec_int64 ("adapter-luid", "Adapter LUID",
"DXGI Adapter LUID (Locally Unique Identifier) of created device",
G_MININT64, G_MAXINT64, 0,
(GParamFlags) (GST_PARAM_DOC_SHOW_DEFAULT |
GST_PARAM_CONDITIONALLY_AVAILABLE |
G_PARAM_READABLE | 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);
pad_templ = gst_pad_template_new ("sink",
GST_PAD_SINK, GST_PAD_ALWAYS, cdata->sink_caps);
doc_caps = gst_caps_from_string (DOC_SINK_CAPS);
gst_pad_template_set_documentation_caps (pad_templ, doc_caps);
gst_caps_unref (doc_caps);
gst_element_class_add_pad_template (element_class, pad_templ);
pad_templ = gst_pad_template_new ("src",
GST_PAD_SRC, GST_PAD_ALWAYS, cdata->src_caps);
doc_caps = gst_caps_from_string (DOC_SRC_CAPS);
gst_pad_template_set_documentation_caps (pad_templ, doc_caps);
gst_caps_unref (doc_caps);
gst_element_class_add_pad_template (element_class, pad_templ);
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->check_reconfigure =
GST_DEBUG_FUNCPTR (gst_mf_h264_enc_check_reconfigure);
mfenc_class->codec_id = MFVideoFormat_H264;
mfenc_class->enum_flags = cdata->enum_flags;
mfenc_class->device_index = cdata->device_index;
mfenc_class->device_caps = *device_caps;
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)
{
g_mutex_init (&self->prop_lock);
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_finalize (GObject * object)
{
GstMFH264Enc *self = (GstMFH264Enc *) (object);
g_free (self->profile_str);
g_mutex_clear (&self->prop_lock);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_mf_h264_enc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstMFH264Enc *self = (GstMFH264Enc *) (object);
GstMFVideoEncoderClass *klass = GST_MF_VIDEO_ENCODER_GET_CLASS (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_int (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;
case PROP_D3D11_AWARE:
g_value_set_boolean (value, klass->device_caps.d3d11_aware);
break;
case PROP_ADAPTER_LUID:
g_value_set_int64 (value, klass->device_caps.adapter_luid);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
update_boolean (GstMFH264Enc * self, gboolean * old_val, const GValue * new_val)
{
gboolean val = g_value_get_boolean (new_val);
if (*old_val == val)
return;
*old_val = val;
self->prop_updated = TRUE;
}
static void
update_int (GstMFH264Enc * self, gint * old_val, const GValue * new_val)
{
gint val = g_value_get_int (new_val);
if (*old_val == val)
return;
*old_val = val;
self->prop_updated = TRUE;
}
static void
update_uint (GstMFH264Enc * self, guint * old_val, const GValue * new_val)
{
guint val = g_value_get_uint (new_val);
if (*old_val == val)
return;
*old_val = val;
self->prop_updated = TRUE;
}
static void
update_enum (GstMFH264Enc * self, guint * old_val, const GValue * new_val)
{
gint val = g_value_get_enum (new_val);
if (*old_val == (guint) val)
return;
*old_val = val;
self->prop_updated = TRUE;
}
static void
gst_mf_h264_enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstMFH264Enc *self = (GstMFH264Enc *) (object);
g_mutex_lock (&self->prop_lock);
switch (prop_id) {
case PROP_BITRATE:
update_uint (self, &self->bitrate, value);
break;
case PROP_RC_MODE:
update_enum (self, &self->rc_mode, value);
break;
case PROP_QUALITY:
update_uint (self, &self->quality, value);
break;
case PROP_ADAPTIVE_MODE:
update_enum (self, &self->adaptive_mode, value);
break;
case PROP_BUFFER_SIZE:
update_uint (self, &self->buffer_size, value);
break;
case PROP_MAX_BITRATE:
update_uint (self, &self->max_bitrate, value);
break;
case PROP_QUALITY_VS_SPEED:
update_uint (self, &self->quality_vs_speed, value);
break;
case PROP_CABAC:
update_boolean (self, &self->cabac, value);
break;
case PROP_SPS_ID:
update_uint (self, &self->sps_id, value);
break;
case PROP_PPS_ID:
update_uint (self, &self->pps_id, value);
break;
case PROP_BFRAMES:
update_uint (self, &self->bframes, value);
break;
case PROP_GOP_SIZE:
update_int (self, &self->gop_size, value);
break;
case PROP_THREADS:
update_uint (self, &self->threads, value);
break;
case PROP_CONTENT_TYPE:
update_enum (self, &self->content_type, value);
break;
case PROP_QP:
update_uint (self, &self->qp, value);
break;
case PROP_LOW_LATENCY:
update_boolean (self, &self->low_latency, value);
break;
case PROP_MIN_QP:
update_uint (self, &self->min_qp, value);
break;
case PROP_MAX_QP:
update_uint (self, &self->max_qp, value);
break;
case PROP_QP_I:
update_uint (self, &self->qp_i, value);
break;
case PROP_QP_P:
update_uint (self, &self->qp_p, value);
break;
case PROP_QP_B:
update_uint (self, &self->qp_b, value);
break;
case PROP_REF:
update_uint (self, &self->max_num_ref, value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
g_mutex_unlock (&self->prop_lock);
}
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 (GstMFVideoEncoder * mfenc,
GstVideoCodecState * state, IMFMediaType * output_type)
{
GstMFH264Enc *self = (GstMFH264Enc *) mfenc;
GstMFVideoEncoderClass *klass = GST_MF_VIDEO_ENCODER_GET_CLASS (mfenc);
GstMFVideoEncoderDeviceCaps *device_caps = &klass->device_caps;
HRESULT hr;
GstCaps *allowed_caps, *template_caps;
eAVEncH264VProfile selected_profile = eAVEncH264VProfile_Main;
gint level_idc = -1;
GstMFTransform *transform = mfenc->transform;
g_free (self->profile_str);
self->profile_str = g_strdup ("main");
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) {
/* Although we are setting eAVEncH264VProfile_Base, actual profile
* chosen by MFT seems to be constrained-baseline */
if (strcmp (profile, "baseline") == 0 ||
strcmp (profile, "constrained-baseline") == 0) {
selected_profile = eAVEncH264VProfile_Base;
g_free (self->profile_str);
self->profile_str = g_strdup (profile);
} else if (g_str_has_prefix (profile, "high")) {
selected_profile = eAVEncH264VProfile_High;
g_free (self->profile_str);
self->profile_str = g_strdup (profile);
} else if (g_str_has_prefix (profile, "main")) {
selected_profile = eAVEncH264VProfile_Main;
g_free (self->profile_str);
self->profile_str = g_strdup (profile);
}
}
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;
}
g_mutex_lock (&self->prop_lock);
hr = output_type->SetUINT32 (MF_MT_AVG_BITRATE,
MIN (self->bitrate * 1024, G_MAXUINT - 1));
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (self, "Failed to set bitrate");
g_mutex_unlock (&self->prop_lock);
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);
}
mfenc->has_reorder_frame = FALSE;
if (device_caps->bframes && selected_profile != eAVEncH264VProfile_Base) {
hr = gst_mf_transform_set_codec_api_uint32 (transform,
&CODECAPI_AVEncMPVDefaultBPictureCount, self->bframes);
if (SUCCEEDED (hr) && self->bframes > 0)
mfenc->has_reorder_frame = TRUE;
WARNING_HR (hr, CODECAPI_AVEncMPVDefaultBPictureCount);
}
if (device_caps->gop_size) {
GstVideoInfo *info = &state->info;
gint gop_size = self->gop_size;
gint fps_n, fps_d;
/* Set default value (10 sec or 250 frames) like that of x264enc */
if (gop_size < 0) {
fps_n = GST_VIDEO_INFO_FPS_N (info);
fps_d = GST_VIDEO_INFO_FPS_D (info);
if (fps_n <= 0 || fps_d <= 0) {
gop_size = 250;
} else {
gop_size = 10 * fps_n / fps_d;
}
GST_DEBUG_OBJECT (self, "Update GOP size to %d", gop_size);
}
hr = gst_mf_transform_set_codec_api_uint32 (transform,
&CODECAPI_AVEncMPVGOPSize, 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);
}
self->prop_updated = FALSE;
g_mutex_unlock (&self->prop_lock);
return TRUE;
}
static gboolean
gst_mf_h264_enc_set_src_caps (GstMFVideoEncoder * 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", "profile",
G_TYPE_STRING, self->profile_str, nullptr);
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), nullptr);
gst_video_encoder_merge_tags (GST_VIDEO_ENCODER (self), tags,
GST_TAG_MERGE_REPLACE);
gst_tag_list_unref (tags);
return TRUE;
}
static gboolean
gst_mf_h264_enc_check_reconfigure (GstMFVideoEncoder * encoder)
{
GstMFH264Enc *self = (GstMFH264Enc *) encoder;
gboolean ret;
g_mutex_lock (&self->prop_lock);
ret = self->prop_updated;
self->prop_updated = FALSE;
g_mutex_unlock (&self->prop_lock);
return ret;
}
void
gst_mf_h264_enc_plugin_init (GstPlugin * plugin, guint rank,
GList * d3d11_device)
{
GTypeInfo type_info = {
sizeof (GstMFH264EncClass),
nullptr,
nullptr,
(GClassInitFunc) gst_mf_h264_enc_class_init,
nullptr,
nullptr,
sizeof (GstMFH264Enc),
0,
(GInstanceInitFunc) gst_mf_h264_enc_init,
};
GUID subtype = MFVideoFormat_H264;
GST_DEBUG_CATEGORY_INIT (gst_mf_h264_enc_debug, "mfh264enc", 0, "mfh264enc");
gst_mf_video_encoder_register (plugin,
rank, &subtype, &type_info, d3d11_device);
}
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