/* 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 "gstmfvideoenc.h" #include "gstmfh264enc.h" #include <wrl.h> #if GST_MF_HAVE_D3D11 #include <gst/d3d11/gstd3d11.h> #endif 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, PROP_D3D11_AWARE, PROP_ADAPTER, }; #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 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; 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; } GstMFH264Enc; typedef struct _GstMFH264EncClass { GstMFVideoEncClass parent_class; } GstMFH264EncClass; 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, GstVideoCodecState * state, 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); GstMFVideoEncClassData *cdata = (GstMFVideoEncClassData *) data; GstMFVideoEncDeviceCaps *device_caps = &cdata->device_caps; gchar *long_name; gchar *classification; parent_class = (GstElementClass *) g_type_class_peek_parent (klass); 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_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) { 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))); } 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))); if (device_caps->d3d11_aware) { g_object_class_install_property (gobject_class, PROP_ADAPTER, g_param_spec_uint ("adapter", "Adapter", "DXGI Adapter index for creating device", 0, G_MAXUINT32, device_caps->adapter, (GParamFlags) (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); 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->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) { 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); GstMFVideoEncClass *klass = GST_MF_VIDEO_ENC_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: g_value_set_uint (value, klass->device_caps.adapter); 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_int (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, GstVideoCodecState * state, IMFMediaType * output_type) { GstMFH264Enc *self = (GstMFH264Enc *) mfenc; GstMFVideoEncClass *klass = GST_MF_VIDEO_ENC_GET_CLASS (mfenc); GstMFVideoEncDeviceCaps *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) { 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); } 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; } void gst_mf_h264_enc_plugin_init (GstPlugin * plugin, guint rank, GList * d3d11_device) { 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, }; GUID subtype = MFVideoFormat_H264; GST_DEBUG_CATEGORY_INIT (gst_mf_h264_enc_debug, "mfh264enc", 0, "mfh264enc"); gst_mf_video_enc_register (plugin, rank, &subtype, &type_info, d3d11_device); }