/* GStreamer * Copyright (C) 2021 Seungha Yang * * 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. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "gstqsvh264enc.h" #include #include #include #include #include #include #ifdef G_OS_WIN32 #include #else #include #endif GST_DEBUG_CATEGORY_EXTERN (gst_qsv_h264_enc_debug); #define GST_CAT_DEFAULT gst_qsv_h264_enc_debug typedef enum { GST_QSV_H264_ENC_SEI_INSERT, GST_QSV_H264_ENC_SEI_INSERT_AND_DROP, GST_QSV_H264_ENC_SEI_DISABLED, } GstQsvH264EncSeiInsertMode; #define GST_TYPE_QSV_H264_ENC_SEI_INSERT_MODE (gst_qsv_h264_enc_sei_insert_mode_get_type ()) static GType gst_qsv_h264_enc_sei_insert_mode_get_type (void) { static GType sei_insert_mode_type = 0; static const GEnumValue insert_modes[] = { {GST_QSV_H264_ENC_SEI_INSERT, "Insert SEI", "insert"}, {GST_QSV_H264_ENC_SEI_INSERT_AND_DROP, "Insert SEI and remove corresponding meta from output buffer", "insert-and-drop"}, {GST_QSV_H264_ENC_SEI_DISABLED, "Disable SEI insertion", "disabled"}, {0, nullptr, nullptr} }; if (g_once_init_enter (&sei_insert_mode_type)) { GType type = g_enum_register_static ("GstQsvH264EncSeiInsertMode", insert_modes); g_once_init_leave (&sei_insert_mode_type, type); } return sei_insert_mode_type; } #define GST_TYPE_QSV_H264_ENC_RATE_CONTROL (gst_qsv_h264_enc_rate_control_get_type ()) static GType gst_qsv_h264_enc_rate_control_get_type (void) { static GType rate_control_type = 0; static const GEnumValue rate_controls[] = { {MFX_RATECONTROL_CBR, "Constant Bitrate", "cbr"}, {MFX_RATECONTROL_VBR, "Variable Bitrate", "vbr"}, {MFX_RATECONTROL_CQP, "Constant Quantizer", "cqp"}, {MFX_RATECONTROL_AVBR, "Average Variable Bitrate", "avbr"}, {MFX_RATECONTROL_LA, "VBR with look ahead (Non HRD compliant)", "la_vbr"}, {MFX_RATECONTROL_ICQ, "Intelligent CQP", "icq"}, {MFX_RATECONTROL_VCM, "Video Conferencing Mode (Non HRD compliant)", "vcm"}, {MFX_RATECONTROL_LA_ICQ, "Intelligent CQP with LA (Non HRD compliant)", "la_icq"}, {MFX_RATECONTROL_LA_HRD, "HRD compliant LA", "la_hrd"}, {MFX_RATECONTROL_QVBR, "VBR with CQP", "qvbr"}, {0, nullptr, nullptr} }; if (g_once_init_enter (&rate_control_type)) { GType type = g_enum_register_static ("GstQsvH264EncRateControl", rate_controls); g_once_init_leave (&rate_control_type, type); } return rate_control_type; } #define GST_TYPE_QSV_H264_ENC_RC_LOOKAHEAD_DS (gst_qsv_h264_enc_rc_lookahead_ds_get_type ()) static GType gst_qsv_h264_enc_rc_lookahead_ds_get_type (void) { static GType rc_lookahead_ds_type = 0; static const GEnumValue rc_lookahead_ds[] = { {MFX_LOOKAHEAD_DS_UNKNOWN, "Unknown", "unknown"}, {MFX_LOOKAHEAD_DS_OFF, "Do not use down sampling", "off"}, {MFX_LOOKAHEAD_DS_2x, "Down sample frames two times before estimation", "2x"}, {MFX_LOOKAHEAD_DS_4x, "Down sample frames four times before estimation", "4x"}, {0, nullptr, nullptr} }; if (g_once_init_enter (&rc_lookahead_ds_type)) { GType type = g_enum_register_static ("GstQsvH264EncRCLookAheadDS", rc_lookahead_ds); g_once_init_leave (&rc_lookahead_ds_type, type); } return rc_lookahead_ds_type; } enum { PROP_0, PROP_ADAPTER_LUID, PROP_DEVICE_PATH, PROP_CABAC, PROP_MIN_QP_I, PROP_MIN_QP_P, PROP_MIN_QP_B, PROP_MAX_QP_I, PROP_MAX_QP_P, PROP_MAX_QP_B, PROP_QP_I, PROP_QP_P, PROP_QP_B, PROP_GOP_SIZE, PROP_I_FRAMES, PROP_B_FRAMES, PROP_REF_FRAMES, PROP_BITRATE, PROP_MAX_BITRATE, PROP_RATE_CONTROL, PROP_RC_LOOKAHEAD, PROP_RC_LOOKAHEAD_DS, PROP_AVBR_ACCURACY, PROP_AVBR_CONVERGENCE, PROP_ICQ_QUALITY, PROP_QVBR_QUALITY, PROP_DISABLE_HRD_CONFORMANCE, PROP_CC_INSERT, }; #define DEFAULT_CABAC MFX_CODINGOPTION_UNKNOWN #define DEFAULT_QP 0 #define DEFAULT_GOP_SIZE 30 #define DEFAULT_I_FRAMES 0 #define DEFAULT_B_FRAMES 0 #define DEFAULT_REF_FRAMES 2 #define DEFAULT_BITRATE 2000 #define DEFAULT_MAX_BITRATE 0 #define DEFAULT_RATE_CONTROL MFX_RATECONTROL_VBR #define DEFAULT_RC_LOOKAHEAD 10 #define DEFAULT_RC_LOOKAHEAD_DS MFX_LOOKAHEAD_DS_UNKNOWN #define DEFAULT_AVBR_ACCURACY 0 #define DEFAULT_AVBR_CONVERGENCE 0 #define DEFAULT_IQC_QUALITY 0 #define DEFAULT_QVBR_QUALITY 0 #define DEFAULT_DISABLE_HRD_CONFORMANCE FALSE #define DEFAULT_CC_INSERT GST_QSV_H264_ENC_SEI_INSERT typedef struct _GstQsvH264EncClassData { GstCaps *sink_caps; GstCaps *src_caps; guint impl_index; gint64 adapter_luid; gchar *display_path; } GstQsvH264EncClassData; typedef struct _GstQsvH264Enc { GstQsvEncoder parent; mfxExtVideoSignalInfo signal_info; mfxExtCodingOption option; mfxExtCodingOption2 option2; mfxExtCodingOption3 option3; gboolean packetized; GstH264NalParser *parser; mfxU16 profile; GMutex prop_lock; /* protected by prop_lock */ gboolean bitrate_updated; gboolean property_updated; /* properties */ mfxU16 cabac; guint min_qp_i; guint min_qp_p; guint min_qp_b; guint max_qp_i; guint max_qp_p; guint max_qp_b; guint qp_i; guint qp_p; guint qp_b; guint gop_size; guint iframes; guint bframes; guint ref_frames; guint bitrate; guint max_bitrate; mfxU16 rate_control; guint rc_lookahead; mfxU16 rc_lookahead_ds; guint avbr_accuracy; guint avbr_convergence; guint icq_quality; guint qvbr_quality; gboolean disable_hrd_conformance; GstQsvH264EncSeiInsertMode cc_insert; } GstQsvH264Enc; typedef struct _GstQsvH264EncClass { GstQsvEncoderClass parent_class; } GstQsvH264EncClass; static GstElementClass *parent_class = nullptr; #define GST_QSV_H264_ENC(object) ((GstQsvH264Enc *) (object)) #define GST_QSV_H264_ENC_GET_CLASS(object) \ (G_TYPE_INSTANCE_GET_CLASS ((object),G_TYPE_FROM_INSTANCE (object),GstQsvH264EncClass)) static void gst_qsv_h264_enc_finalize (GObject * object); static void gst_qsv_h264_enc_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec); static void gst_qsv_h264_enc_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); static gboolean gst_qsv_h264_enc_start (GstVideoEncoder * encoder); static gboolean gst_qsv_h264_enc_transform_meta (GstVideoEncoder * encoder, GstVideoCodecFrame * frame, GstMeta * meta); static GstCaps *gst_qsv_h264_enc_getcaps (GstVideoEncoder * encoder, GstCaps * filter); static gboolean gst_qsv_h264_enc_set_format (GstQsvEncoder * encoder, GstVideoCodecState * state, mfxVideoParam * param, GPtrArray * extra_params); static gboolean gst_qsv_h264_enc_set_output_state (GstQsvEncoder * encoder, GstVideoCodecState * state, mfxSession session); static gboolean gst_qsv_h264_enc_attach_payload (GstQsvEncoder * encoder, GstVideoCodecFrame * frame, GPtrArray * payload); static GstBuffer *gst_qsv_h264_enc_create_output_buffer (GstQsvEncoder * encoder, mfxBitstream * bitstream); static GstQsvEncoderReconfigure gst_qsv_h264_enc_check_reconfigure (GstQsvEncoder * encoder, mfxSession session, mfxVideoParam * param, GPtrArray * extra_params); static void gst_qsv_h264_enc_class_init (GstQsvH264EncClass * klass, gpointer data) { GObjectClass *object_class = G_OBJECT_CLASS (klass); GstElementClass *element_class = GST_ELEMENT_CLASS (klass); GstVideoEncoderClass *encoder_class = GST_VIDEO_ENCODER_CLASS (klass); GstQsvEncoderClass *qsvenc_class = GST_QSV_ENCODER_CLASS (klass); GstQsvH264EncClassData *cdata = (GstQsvH264EncClassData *) data; qsvenc_class->codec_id = MFX_CODEC_AVC; qsvenc_class->impl_index = cdata->impl_index; qsvenc_class->adapter_luid = cdata->adapter_luid; qsvenc_class->display_path = cdata->display_path; object_class->finalize = gst_qsv_h264_enc_finalize; object_class->set_property = gst_qsv_h264_enc_set_property; object_class->get_property = gst_qsv_h264_enc_get_property; #ifdef G_OS_WIN32 g_object_class_install_property (object_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, qsvenc_class->adapter_luid, (GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE | G_PARAM_READABLE | G_PARAM_STATIC_STRINGS))); #else g_object_class_install_property (object_class, PROP_DEVICE_PATH, g_param_spec_string ("device-path", "Device Path", "DRM device path", cdata->display_path, (GParamFlags) (GST_PARAM_CONDITIONALLY_AVAILABLE | G_PARAM_READABLE | G_PARAM_STATIC_STRINGS))); #endif g_object_class_install_property (object_class, PROP_CABAC, g_param_spec_enum ("cabac", "Cabac", "Enables CABAC entropy coding", GST_TYPE_QSV_CODING_OPTION, DEFAULT_CABAC, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_MIN_QP_I, g_param_spec_uint ("min-qp-i", "Min QP I", "Minimum allowed QP value for I-frame types (0: default)", 0, 51, DEFAULT_QP, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_MIN_QP_P, g_param_spec_uint ("min-qp-p", "Min QP P", "Minimum allowed QP value for P-frame types (0: default)", 0, 51, DEFAULT_QP, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_MIN_QP_B, g_param_spec_uint ("min-qp-b", "Min QP B", "Minimum allowed QP value for B-frame types (0: default)", 0, 51, DEFAULT_QP, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_MAX_QP_I, g_param_spec_uint ("max-qp-i", "Max QP I", "Maximum allowed QP value for I-frame types (0: default)", 0, 51, DEFAULT_QP, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_MAX_QP_P, g_param_spec_uint ("max-qp-p", "Max QP P", "Maximum allowed QP value for P-frame types (0: default)", 0, 51, DEFAULT_QP, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_MAX_QP_B, g_param_spec_uint ("max-qp-b", "Max QP B", "Maximum allowed QP value for B-frame types (0: default)", 0, 51, DEFAULT_QP, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_QP_I, g_param_spec_uint ("qp-i", "QP I", "Constant quantizer for I frames (0: default)", 0, 51, DEFAULT_QP, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_QP_P, g_param_spec_uint ("qp-p", "QP P", "Constant quantizer for P frames (0: default)", 0, 51, DEFAULT_QP, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_QP_B, g_param_spec_uint ("qp-b", "QP B", "Constant quantizer for B frames (0: default)", 0, 51, DEFAULT_QP, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_GOP_SIZE, g_param_spec_uint ("gop-size", "GOP Size", "Number of pictures within a GOP (0: unspecified)", 0, G_MAXUSHORT, DEFAULT_GOP_SIZE, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_I_FRAMES, g_param_spec_uint ("i-frames", "I Frames", "Number of I frames between IDR frames" "(0: every I frame is an IDR frame)", 0, G_MAXUSHORT, DEFAULT_I_FRAMES, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_B_FRAMES, g_param_spec_uint ("b-frames", "B Frames", "Number of B frames between I and P frames", 0, G_MAXUSHORT, DEFAULT_B_FRAMES, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_REF_FRAMES, g_param_spec_uint ("ref-frames", "Reference Frames", "Number of reference frames (0: unspecified)", 0, 16, DEFAULT_REF_FRAMES, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_BITRATE, g_param_spec_uint ("bitrate", "Bitrate", "Target bitrate in kbit/sec, Ignored when selected rate-control mode " "is constant QP variants (i.e., \"cqp\", \"icq\", and \"la_icq\")", 0, G_MAXINT, DEFAULT_BITRATE, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_MAX_BITRATE, g_param_spec_uint ("max-bitrate", "Max Bitrate", "Maximum bitrate in kbit/sec, Ignored when selected rate-control mode " "is constant QP variants (i.e., \"cqp\", \"icq\", and \"la_icq\")", 0, G_MAXINT, DEFAULT_MAX_BITRATE, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_RATE_CONTROL, g_param_spec_enum ("rate-control", "Rate Control", "Rate Control Method", GST_TYPE_QSV_H264_ENC_RATE_CONTROL, DEFAULT_RATE_CONTROL, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_RC_LOOKAHEAD, g_param_spec_uint ("rc-lookahead", "Rate Control Look-ahead", "Number of frames to look ahead for Rate Control, used for " "\"la_vbr\", \"la_icq\", and \"la_hrd\" rate-control modes", 10, 100, DEFAULT_RC_LOOKAHEAD, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_RC_LOOKAHEAD_DS, g_param_spec_enum ("rc-lookahead-ds", "Rate Control Look-ahead Downsampling", "Downsampling method in look-ahead rate control", GST_TYPE_QSV_H264_ENC_RC_LOOKAHEAD_DS, DEFAULT_RC_LOOKAHEAD_DS, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_AVBR_ACCURACY, g_param_spec_uint ("avbr-accuracy", "AVBR Accuracy", "AVBR Accuracy in the unit of tenth of percent", 0, G_MAXUINT16, DEFAULT_AVBR_ACCURACY, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_AVBR_CONVERGENCE, g_param_spec_uint ("avbr-convergence", "AVBR Convergence", "AVBR Convergence in the unit of 100 frames", 0, G_MAXUINT16, DEFAULT_AVBR_ACCURACY, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_ICQ_QUALITY, g_param_spec_uint ("icq-quality", "ICQ Quality", "Intelligent Constant Quality for \"icq\" rate-control (0: default)", 0, 51, DEFAULT_IQC_QUALITY, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_QVBR_QUALITY, g_param_spec_uint ("qvbr-quality", "QVBR Quality", "Quality level used for \"qvbr\" rate-control mode (0: default)", 0, 51, DEFAULT_QVBR_QUALITY, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_DISABLE_HRD_CONFORMANCE, g_param_spec_boolean ("disable-hrd-conformance", "Disable HRD Conformance", "Allow NAL HRD non-conformant stream", DEFAULT_DISABLE_HRD_CONFORMANCE, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_CC_INSERT, g_param_spec_enum ("cc-insert", "Closed Caption Insert", "Closed Caption Insert mode. " "Only CEA-708 RAW format is supported for now", GST_TYPE_QSV_H264_ENC_SEI_INSERT_MODE, DEFAULT_CC_INSERT, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); parent_class = (GstElementClass *) g_type_class_peek_parent (klass); gst_element_class_set_static_metadata (element_class, "Intel Quick Sync Video H.264 Encoder", "Codec/Encoder/Video/Hardware", "Intel Quick Sync Video H.264 Encoder", "Seungha Yang "); 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)); encoder_class->start = GST_DEBUG_FUNCPTR (gst_qsv_h264_enc_start); encoder_class->transform_meta = GST_DEBUG_FUNCPTR (gst_qsv_h264_enc_transform_meta); encoder_class->getcaps = GST_DEBUG_FUNCPTR (gst_qsv_h264_enc_getcaps); qsvenc_class->set_format = GST_DEBUG_FUNCPTR (gst_qsv_h264_enc_set_format); qsvenc_class->set_output_state = GST_DEBUG_FUNCPTR (gst_qsv_h264_enc_set_output_state); qsvenc_class->attach_payload = GST_DEBUG_FUNCPTR (gst_qsv_h264_enc_attach_payload); qsvenc_class->create_output_buffer = GST_DEBUG_FUNCPTR (gst_qsv_h264_enc_create_output_buffer); qsvenc_class->check_reconfigure = GST_DEBUG_FUNCPTR (gst_qsv_h264_enc_check_reconfigure); gst_caps_unref (cdata->sink_caps); gst_caps_unref (cdata->src_caps); g_free (cdata); } static void gst_qsv_h264_enc_init (GstQsvH264Enc * self) { self->cabac = DEFAULT_CABAC; self->min_qp_i = DEFAULT_QP; self->min_qp_p = DEFAULT_QP; self->min_qp_b = DEFAULT_QP; self->max_qp_i = DEFAULT_QP; self->max_qp_p = DEFAULT_QP; self->max_qp_p = DEFAULT_QP; self->qp_i = DEFAULT_QP; self->qp_p = DEFAULT_QP; self->qp_b = DEFAULT_QP; self->gop_size = DEFAULT_GOP_SIZE; self->iframes = DEFAULT_I_FRAMES; self->bframes = DEFAULT_B_FRAMES; self->ref_frames = DEFAULT_REF_FRAMES; self->bitrate = DEFAULT_BITRATE; self->max_bitrate = DEFAULT_MAX_BITRATE; self->rate_control = DEFAULT_RATE_CONTROL; self->rc_lookahead = DEFAULT_RC_LOOKAHEAD; self->rc_lookahead_ds = DEFAULT_RC_LOOKAHEAD_DS; self->avbr_accuracy = DEFAULT_AVBR_ACCURACY; self->avbr_convergence = DEFAULT_AVBR_CONVERGENCE; self->icq_quality = DEFAULT_IQC_QUALITY; self->qvbr_quality = DEFAULT_QVBR_QUALITY; self->disable_hrd_conformance = DEFAULT_DISABLE_HRD_CONFORMANCE; self->cc_insert = DEFAULT_CC_INSERT; g_mutex_init (&self->prop_lock); self->parser = gst_h264_nal_parser_new (); } static void gst_qsv_h264_enc_finalize (GObject * object) { GstQsvH264Enc *self = GST_QSV_H264_ENC (object); g_mutex_clear (&self->prop_lock); gst_h264_nal_parser_free (self->parser); G_OBJECT_CLASS (parent_class)->finalize (object); } static void gst_qsv_h264_enc_check_update_uint (GstQsvH264Enc * self, guint * old_val, guint new_val, gboolean is_bitrate_param) { if (*old_val == new_val) return; g_mutex_lock (&self->prop_lock); *old_val = new_val; if (is_bitrate_param) self->bitrate_updated = TRUE; else self->property_updated = TRUE; g_mutex_unlock (&self->prop_lock); } static void gst_qsv_h264_enc_check_update_enum (GstQsvH264Enc * self, mfxU16 * old_val, gint new_val) { if (*old_val == (mfxU16) new_val) return; g_mutex_lock (&self->prop_lock); *old_val = (mfxU16) new_val; self->property_updated = TRUE; g_mutex_unlock (&self->prop_lock); } static void gst_qsv_h264_enc_check_update_boolean (GstQsvH264Enc * self, gboolean * old_val, gboolean new_val) { if (*old_val == new_val) return; g_mutex_lock (&self->prop_lock); *old_val = new_val; self->property_updated = TRUE; g_mutex_unlock (&self->prop_lock); } static void gst_qsv_h264_enc_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { GstQsvH264Enc *self = GST_QSV_H264_ENC (object); switch (prop_id) { case PROP_CABAC: gst_qsv_h264_enc_check_update_enum (self, &self->cabac, g_value_get_enum (value)); break; /* MIN/MAX QP change requires new sequence */ case PROP_MIN_QP_I: gst_qsv_h264_enc_check_update_uint (self, &self->min_qp_i, g_value_get_uint (value), FALSE); break; case PROP_MIN_QP_P: gst_qsv_h264_enc_check_update_uint (self, &self->min_qp_p, g_value_get_uint (value), FALSE); break; case PROP_MIN_QP_B: gst_qsv_h264_enc_check_update_uint (self, &self->min_qp_b, g_value_get_uint (value), FALSE); break; case PROP_MAX_QP_I: gst_qsv_h264_enc_check_update_uint (self, &self->max_qp_i, g_value_get_uint (value), FALSE); break; case PROP_MAX_QP_P: gst_qsv_h264_enc_check_update_uint (self, &self->max_qp_p, g_value_get_uint (value), FALSE); break; case PROP_MAX_QP_B: gst_qsv_h264_enc_check_update_uint (self, &self->max_qp_b, g_value_get_uint (value), FALSE); break; case PROP_QP_I: gst_qsv_h264_enc_check_update_uint (self, &self->qp_i, g_value_get_uint (value), TRUE); break; case PROP_QP_P: gst_qsv_h264_enc_check_update_uint (self, &self->qp_p, g_value_get_uint (value), TRUE); break; case PROP_QP_B: gst_qsv_h264_enc_check_update_uint (self, &self->qp_b, g_value_get_uint (value), TRUE); break; case PROP_GOP_SIZE: gst_qsv_h264_enc_check_update_uint (self, &self->gop_size, g_value_get_uint (value), FALSE); break; case PROP_I_FRAMES: gst_qsv_h264_enc_check_update_uint (self, &self->iframes, g_value_get_uint (value), FALSE); break; case PROP_B_FRAMES: gst_qsv_h264_enc_check_update_uint (self, &self->bframes, g_value_get_uint (value), FALSE); break; case PROP_REF_FRAMES: gst_qsv_h264_enc_check_update_uint (self, &self->ref_frames, g_value_get_uint (value), FALSE); break; case PROP_BITRATE: gst_qsv_h264_enc_check_update_uint (self, &self->bitrate, g_value_get_uint (value), TRUE); break; case PROP_MAX_BITRATE: gst_qsv_h264_enc_check_update_uint (self, &self->max_bitrate, g_value_get_uint (value), TRUE); break; case PROP_RATE_CONTROL: gst_qsv_h264_enc_check_update_enum (self, &self->rate_control, g_value_get_enum (value)); break; case PROP_RC_LOOKAHEAD: gst_qsv_h264_enc_check_update_uint (self, &self->rc_lookahead, g_value_get_uint (value), FALSE); break; case PROP_RC_LOOKAHEAD_DS: gst_qsv_h264_enc_check_update_enum (self, &self->rc_lookahead_ds, g_value_get_enum (value)); break; case PROP_AVBR_ACCURACY: gst_qsv_h264_enc_check_update_uint (self, &self->avbr_accuracy, g_value_get_uint (value), FALSE); break; case PROP_AVBR_CONVERGENCE: gst_qsv_h264_enc_check_update_uint (self, &self->avbr_convergence, g_value_get_uint (value), FALSE); break; case PROP_ICQ_QUALITY: gst_qsv_h264_enc_check_update_uint (self, &self->icq_quality, g_value_get_uint (value), FALSE); break; case PROP_QVBR_QUALITY: gst_qsv_h264_enc_check_update_uint (self, &self->qvbr_quality, g_value_get_uint (value), FALSE); break; case PROP_DISABLE_HRD_CONFORMANCE: gst_qsv_h264_enc_check_update_boolean (self, &self->disable_hrd_conformance, g_value_get_boolean (value)); break; case PROP_CC_INSERT: /* This property is unrelated to encoder-reset */ self->cc_insert = (GstQsvH264EncSeiInsertMode) g_value_get_enum (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_qsv_h264_enc_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { GstQsvH264Enc *self = GST_QSV_H264_ENC (object); GstQsvEncoderClass *klass = GST_QSV_ENCODER_GET_CLASS (self); switch (prop_id) { case PROP_ADAPTER_LUID: g_value_set_int64 (value, klass->adapter_luid); break; case PROP_DEVICE_PATH: g_value_set_string (value, klass->display_path); break; case PROP_CABAC: g_value_set_enum (value, self->cabac); break; case PROP_MIN_QP_I: g_value_set_uint (value, self->min_qp_i); break; case PROP_MIN_QP_P: g_value_set_uint (value, self->min_qp_p); break; case PROP_MIN_QP_B: g_value_set_uint (value, self->min_qp_b); break; case PROP_MAX_QP_I: g_value_set_uint (value, self->max_qp_i); break; case PROP_MAX_QP_P: g_value_set_uint (value, self->max_qp_p); break; case PROP_MAX_QP_B: g_value_set_uint (value, self->max_qp_b); 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_GOP_SIZE: g_value_set_uint (value, self->gop_size); break; case PROP_I_FRAMES: g_value_set_uint (value, self->iframes); break; case PROP_B_FRAMES: g_value_set_uint (value, self->bframes); break; case PROP_REF_FRAMES: g_value_set_uint (value, self->ref_frames); break; case PROP_BITRATE: g_value_set_uint (value, self->bitrate); break; case PROP_MAX_BITRATE: g_value_set_uint (value, self->max_bitrate); break; case PROP_RATE_CONTROL: g_value_set_enum (value, self->rate_control); break; case PROP_RC_LOOKAHEAD: g_value_set_uint (value, self->rc_lookahead); break; case PROP_RC_LOOKAHEAD_DS: g_value_set_enum (value, self->rc_lookahead_ds); break; case PROP_AVBR_ACCURACY: g_value_set_uint (value, self->avbr_accuracy); break; case PROP_AVBR_CONVERGENCE: g_value_set_uint (value, self->avbr_convergence); break; case PROP_ICQ_QUALITY: g_value_set_uint (value, self->icq_quality); break; case PROP_QVBR_QUALITY: g_value_set_uint (value, self->qvbr_quality); break; case PROP_CC_INSERT: g_value_set_enum (value, self->cc_insert); break; case PROP_DISABLE_HRD_CONFORMANCE: g_value_set_boolean (value, self->disable_hrd_conformance); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static gboolean gst_qsv_h264_enc_start (GstVideoEncoder * encoder) { /* To avoid negative DTS when B frame is enabled */ gst_video_encoder_set_min_pts (encoder, GST_SECOND * 60 * 60 * 1000); return TRUE; } static gboolean gst_qsv_h264_enc_transform_meta (GstVideoEncoder * encoder, GstVideoCodecFrame * frame, GstMeta * meta) { GstQsvH264Enc *self = GST_QSV_H264_ENC (encoder); GstVideoCaptionMeta *cc_meta; /* We need to handle only case CC meta should be dropped */ if (self->cc_insert != GST_QSV_H264_ENC_SEI_INSERT_AND_DROP) goto out; if (meta->info->api != GST_VIDEO_CAPTION_META_API_TYPE) goto out; cc_meta = (GstVideoCaptionMeta *) meta; if (cc_meta->caption_type != GST_VIDEO_CAPTION_TYPE_CEA708_RAW) goto out; /* Don't copy this meta into output buffer */ return FALSE; out: return GST_VIDEO_ENCODER_CLASS (parent_class)->transform_meta (encoder, frame, meta); } static GstCaps * gst_qsv_h264_enc_getcaps (GstVideoEncoder * encoder, GstCaps * filter) { GstQsvH264Enc *self = GST_QSV_H264_ENC (encoder); GstCaps *allowed_caps; GstCaps *template_caps; GstCaps *supported_caps; std::set < std::string > downstream_profiles; allowed_caps = gst_pad_get_allowed_caps (encoder->srcpad); /* Shouldn't be any or empty though, just return template caps in this case */ if (!allowed_caps || gst_caps_is_empty (allowed_caps) || gst_caps_is_any (allowed_caps)) { gst_clear_caps (&allowed_caps); return gst_video_encoder_proxy_getcaps (encoder, nullptr, filter); } /* Check if downstream specified profile explicitly, then filter out * incompatible interlaced field */ for (guint i = 0; i < gst_caps_get_size (allowed_caps); i++) { const GValue *profile_value; const gchar *profile; GstStructure *s; s = gst_caps_get_structure (allowed_caps, i); profile_value = gst_structure_get_value (s, "profile"); if (!profile_value) continue; if (GST_VALUE_HOLDS_LIST (profile_value)) { for (guint j = 0; j < gst_value_list_get_size (profile_value); j++) { const GValue *p = gst_value_list_get_value (profile_value, j); if (!G_VALUE_HOLDS_STRING (p)) continue; profile = g_value_get_string (p); if (profile) downstream_profiles.insert (profile); } } else if (G_VALUE_HOLDS_STRING (profile_value)) { profile = g_value_get_string (profile_value); if (profile) downstream_profiles.insert (profile); } } GST_DEBUG_OBJECT (self, "Downstream specified %" G_GSIZE_FORMAT " profiles", downstream_profiles.size ()); /* Caps returned by gst_pad_get_allowed_caps() should hold profile field * already */ if (downstream_profiles.size () == 0) { GST_WARNING_OBJECT (self, "Allowed caps holds no profile field %" GST_PTR_FORMAT, allowed_caps); gst_clear_caps (&allowed_caps); return gst_video_encoder_proxy_getcaps (encoder, nullptr, filter); } gst_clear_caps (&allowed_caps); /* Profile allows interlaced? */ /* *INDENT-OFF* */ gboolean can_support_interlaced = FALSE; for (const auto &iter: downstream_profiles) { if (iter == "high" || iter == "main") { can_support_interlaced = TRUE; break; } } /* *INDENT-ON* */ GST_DEBUG_OBJECT (self, "Downstream %s support interlaced format", can_support_interlaced ? "can" : "cannot"); if (can_support_interlaced) { /* No special handling is needed */ return gst_video_encoder_proxy_getcaps (encoder, nullptr, filter); } template_caps = gst_pad_get_pad_template_caps (encoder->sinkpad); template_caps = gst_caps_make_writable (template_caps); gst_caps_set_simple (template_caps, "interlace-mode", G_TYPE_STRING, "progressive", nullptr); supported_caps = gst_video_encoder_proxy_getcaps (encoder, template_caps, filter); gst_caps_unref (template_caps); GST_DEBUG_OBJECT (self, "Returning %" GST_PTR_FORMAT, supported_caps); return supported_caps; } typedef struct { mfxU16 profile; const gchar *profile_str; } H264Profile; static const H264Profile profile_map[] = { {MFX_PROFILE_AVC_HIGH, "high"}, {MFX_PROFILE_AVC_MAIN, "main"}, {MFX_PROFILE_AVC_CONSTRAINED_BASELINE, "constrained-baseline"}, {MFX_PROFILE_AVC_PROGRESSIVE_HIGH, "progressive-high"}, {MFX_PROFILE_AVC_CONSTRAINED_HIGH, "constrained-high"}, {MFX_PROFILE_AVC_BASELINE, "baseline"} }; static const gchar * gst_qsv_h264_profile_to_string (mfxU16 profile) { for (guint i = 0; i < G_N_ELEMENTS (profile_map); i++) { if (profile_map[i].profile == profile) return profile_map[i].profile_str; } return nullptr; } static mfxU16 gst_qsv_h264_profile_string_to_value (const gchar * profile_str) { for (guint i = 0; i < G_N_ELEMENTS (profile_map); i++) { if (g_strcmp0 (profile_map[i].profile_str, profile_str) == 0) return profile_map[i].profile; } return MFX_PROFILE_UNKNOWN; } static void gst_qsv_h264_enc_init_extra_params (GstQsvH264Enc * self) { memset (&self->signal_info, 0, sizeof (mfxExtVideoSignalInfo)); memset (&self->option, 0, sizeof (mfxExtCodingOption)); memset (&self->option2, 0, sizeof (mfxExtCodingOption2)); memset (&self->option3, 0, sizeof (mfxExtCodingOption3)); self->signal_info.Header.BufferId = MFX_EXTBUFF_VIDEO_SIGNAL_INFO; self->signal_info.Header.BufferSz = sizeof (mfxExtVideoSignalInfo); self->option.Header.BufferId = MFX_EXTBUFF_CODING_OPTION; self->option.Header.BufferSz = sizeof (mfxExtCodingOption); self->option2.Header.BufferId = MFX_EXTBUFF_CODING_OPTION2; self->option2.Header.BufferSz = sizeof (mfxExtCodingOption2); self->option3.Header.BufferId = MFX_EXTBUFF_CODING_OPTION3; self->option3.Header.BufferSz = sizeof (mfxExtCodingOption3); } static void gst_qsv_h264_enc_set_bitrate (GstQsvH264Enc * self, mfxVideoParam * param) { guint max_val; guint multiplier; switch (param->mfx.RateControlMethod) { case MFX_RATECONTROL_CBR: multiplier = (self->bitrate + 0x10000) / 0x10000; param->mfx.TargetKbps = param->mfx.MaxKbps = self->bitrate / multiplier; param->mfx.BRCParamMultiplier = (mfxU16) multiplier; break; case MFX_RATECONTROL_VBR: case MFX_RATECONTROL_VCM: case MFX_RATECONTROL_QVBR: max_val = MAX (self->bitrate, self->max_bitrate); multiplier = (max_val + 0x10000) / 0x10000; param->mfx.TargetKbps = self->bitrate / multiplier; param->mfx.MaxKbps = self->max_bitrate / multiplier; param->mfx.BRCParamMultiplier = (mfxU16) multiplier; break; case MFX_RATECONTROL_CQP: param->mfx.QPI = self->qp_i; param->mfx.QPP = self->qp_p; param->mfx.QPB = self->qp_b; break; case MFX_RATECONTROL_AVBR: multiplier = (self->bitrate + 0x10000) / 0x10000; param->mfx.TargetKbps = self->bitrate / multiplier; param->mfx.Accuracy = self->avbr_accuracy; param->mfx.Convergence = self->avbr_convergence; param->mfx.BRCParamMultiplier = (mfxU16) multiplier; break; case MFX_RATECONTROL_LA: multiplier = (self->bitrate + 0x10000) / 0x10000; param->mfx.TargetKbps = self->bitrate / multiplier; param->mfx.BRCParamMultiplier = (mfxU16) multiplier; break; case MFX_RATECONTROL_LA_HRD: max_val = MAX (self->bitrate, self->max_bitrate); multiplier = (max_val + 0x10000) / 0x10000; param->mfx.TargetKbps = self->bitrate / multiplier; param->mfx.MaxKbps = self->max_bitrate / multiplier; param->mfx.BRCParamMultiplier = (mfxU16) multiplier; break; case MFX_RATECONTROL_ICQ: case MFX_RATECONTROL_LA_ICQ: param->mfx.ICQQuality = self->icq_quality; break; default: GST_WARNING_OBJECT (self, "Unhandled rate-control method %d", self->rate_control); break; } } static gboolean gst_qsv_h264_enc_set_format (GstQsvEncoder * encoder, GstVideoCodecState * state, mfxVideoParam * param, GPtrArray * extra_params) { GstQsvH264Enc *self = GST_QSV_H264_ENC (encoder); GstCaps *allowed_caps, *fixated_caps; std::set < std::string > downstream_profiles; std::set < std::string > tmp; guint bframes = self->bframes; mfxU16 cabac = self->cabac; std::string profile_str; mfxU16 mfx_profile = MFX_PROFILE_UNKNOWN; GstVideoInfo *info = &state->info; mfxExtVideoSignalInfo *signal_info = nullptr; mfxExtCodingOption *option; mfxExtCodingOption2 *option2; mfxExtCodingOption3 *option3; GstStructure *s; const gchar *stream_format; mfxFrameInfo *frame_info; frame_info = ¶m->mfx.FrameInfo; /* QSV specific alignment requirement: * width/height should be multiple of 16, and for interlaced encoding, * height should be multiple of 32 */ frame_info->Width = GST_ROUND_UP_16 (info->width); if (GST_VIDEO_INFO_IS_INTERLACED (info)) { frame_info->Height = GST_ROUND_UP_32 (info->height); switch (GST_VIDEO_INFO_FIELD_ORDER (info)) { case GST_VIDEO_FIELD_ORDER_TOP_FIELD_FIRST: frame_info->PicStruct = MFX_PICSTRUCT_FIELD_TFF; break; case GST_VIDEO_FIELD_ORDER_BOTTOM_FIELD_FIRST: frame_info->PicStruct = MFX_PICSTRUCT_FIELD_BFF; break; default: frame_info->PicStruct = MFX_PICSTRUCT_UNKNOWN; break; } } else { frame_info->Height = GST_ROUND_UP_16 (info->height); frame_info->PicStruct = MFX_PICSTRUCT_PROGRESSIVE; } /* QSV wouldn't be happy with this size, increase */ if (frame_info->Width == 16) frame_info->Width = 32; if (frame_info->Height == 16) frame_info->Height = 32; frame_info->CropW = info->width; frame_info->CropH = info->height; if (GST_VIDEO_INFO_FPS_N (info) > 0 && GST_VIDEO_INFO_FPS_D (info) > 0) { frame_info->FrameRateExtN = GST_VIDEO_INFO_FPS_N (info); frame_info->FrameRateExtD = GST_VIDEO_INFO_FPS_D (info); } else { /* HACK: Same as x264enc */ frame_info->FrameRateExtN = 25; frame_info->FrameRateExtD = 1; } frame_info->AspectRatioW = GST_VIDEO_INFO_PAR_N (info); frame_info->AspectRatioH = GST_VIDEO_INFO_PAR_D (info); /* TODO: update for non 4:2:0 formats. Currently NV12 only */ frame_info->ChromaFormat = MFX_CHROMAFORMAT_YUV420; switch (GST_VIDEO_INFO_FORMAT (info)) { case GST_VIDEO_FORMAT_NV12: frame_info->FourCC = MFX_FOURCC_NV12; frame_info->BitDepthLuma = 8; frame_info->BitDepthChroma = 8; break; default: GST_ERROR_OBJECT (self, "Unexpected format %s", gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (info))); return FALSE; } allowed_caps = gst_pad_get_allowed_caps (GST_VIDEO_ENCODER_SRC_PAD (encoder)); if (!allowed_caps) { GST_WARNING_OBJECT (self, "Failed to get allowed caps"); return FALSE; } gst_qsv_h264_enc_init_extra_params (self); option = &self->option; option2 = &self->option2; option3 = &self->option3; self->packetized = FALSE; fixated_caps = gst_caps_fixate (gst_caps_copy (allowed_caps)); s = gst_caps_get_structure (fixated_caps, 0); stream_format = gst_structure_get_string (s, "stream-format"); if (g_strcmp0 (stream_format, "avc") == 0) self->packetized = TRUE; gst_caps_unref (fixated_caps); for (guint i = 0; i < gst_caps_get_size (allowed_caps); i++) { const GValue *profile_value; const gchar *profile; s = gst_caps_get_structure (allowed_caps, i); profile_value = gst_structure_get_value (s, "profile"); if (!profile_value) continue; if (GST_VALUE_HOLDS_LIST (profile_value)) { for (guint j = 0; j < gst_value_list_get_size (profile_value); j++) { const GValue *p = gst_value_list_get_value (profile_value, j); if (!G_VALUE_HOLDS_STRING (p)) continue; profile = g_value_get_string (p); if (profile) downstream_profiles.insert (profile); } } else if (G_VALUE_HOLDS_STRING (profile_value)) { profile = g_value_get_string (profile_value); if (profile) downstream_profiles.insert (profile); } } GST_DEBUG_OBJECT (self, "Downstream supports %" G_GSIZE_FORMAT " profiles", downstream_profiles.size ()); /* Prune incompatible profiles */ if ((param->mfx.FrameInfo.PicStruct & MFX_PICSTRUCT_PROGRESSIVE) == 0) { /* Interlaced, only main and high profiles are allowed */ downstream_profiles.erase (gst_qsv_h264_profile_to_string (MFX_PROFILE_AVC_CONSTRAINED_BASELINE)); downstream_profiles.erase (gst_qsv_h264_profile_to_string (MFX_PROFILE_AVC_PROGRESSIVE_HIGH)); downstream_profiles.erase (gst_qsv_h264_profile_to_string (MFX_PROFILE_AVC_CONSTRAINED_HIGH)); downstream_profiles.erase (gst_qsv_h264_profile_to_string (MFX_PROFILE_AVC_BASELINE)); } if (downstream_profiles.empty ()) { GST_WARNING_OBJECT (self, "No compatible profile was detected"); gst_clear_caps (&allowed_caps); return FALSE; } if (bframes > 0) { /* baseline and constrained-high doesn't support bframe */ tmp = downstream_profiles; tmp.erase (gst_qsv_h264_profile_to_string (MFX_PROFILE_AVC_CONSTRAINED_BASELINE)); tmp.erase (gst_qsv_h264_profile_to_string (MFX_PROFILE_AVC_CONSTRAINED_HIGH)); tmp.erase (gst_qsv_h264_profile_to_string (MFX_PROFILE_AVC_BASELINE)); if (tmp.empty ()) { GST_WARNING_OBJECT (self, "None of downstream profile supports bframes"); bframes = 0; tmp = downstream_profiles; } downstream_profiles = tmp; } if (cabac == MFX_CODINGOPTION_ON) { /* baseline doesn't support cabac */ tmp = downstream_profiles; tmp.erase (gst_qsv_h264_profile_to_string (MFX_PROFILE_AVC_CONSTRAINED_BASELINE)); tmp.erase (gst_qsv_h264_profile_to_string (MFX_PROFILE_AVC_BASELINE)); if (tmp.empty ()) { GST_WARNING_OBJECT (self, "None of downstream profile supports cabac"); cabac = MFX_CODINGOPTION_OFF; tmp = downstream_profiles; } downstream_profiles = tmp; } /* we have our preference order */ /* *INDENT-OFF* */ for (guint i = 0; i < G_N_ELEMENTS (profile_map); i++) { auto it = downstream_profiles.find (profile_map[i].profile_str); if (it != downstream_profiles.end ()) { profile_str = *it; break; } } /* *INDENT-ON* */ if (profile_str.empty ()) { GST_WARNING_OBJECT (self, "Failed to determine profile"); return FALSE; } GST_DEBUG_OBJECT (self, "Selected profile %s", profile_str.c_str ()); mfx_profile = gst_qsv_h264_profile_string_to_value (profile_str.c_str ()); gst_clear_caps (&allowed_caps); if (cabac == MFX_CODINGOPTION_UNKNOWN) { switch (mfx_profile) { case MFX_PROFILE_AVC_CONSTRAINED_BASELINE: case MFX_PROFILE_AVC_BASELINE: cabac = MFX_CODINGOPTION_OFF; break; default: cabac = MFX_CODINGOPTION_ON; break; } } g_mutex_lock (&self->prop_lock); param->mfx.CodecId = MFX_CODEC_AVC; param->mfx.CodecProfile = mfx_profile; param->mfx.GopRefDist = bframes + 1; param->mfx.GopPicSize = self->gop_size; param->mfx.IdrInterval = self->iframes; param->mfx.RateControlMethod = self->rate_control; param->mfx.NumRefFrame = self->ref_frames; gst_qsv_h264_enc_set_bitrate (self, param); /* Write signal info only when upstream caps contains valid colorimetry, * because derived default colorimetry in gst_video_info_from_caps() tends to * very wrong in various cases, and it's even worse than "unknown" */ if (state->caps) { GstStructure *s = gst_caps_get_structure (state->caps, 0); GstVideoColorimetry cinfo; const gchar *str; str = gst_structure_get_string (s, "colorimetry"); if (str && gst_video_colorimetry_from_string (&cinfo, str)) { signal_info = &self->signal_info; /* 0: Component, 1: PAL, 2: NTSC, 3: SECAM, 4: MAC, 5: Unspecified */ signal_info->VideoFormat = 5; if (cinfo.range == GST_VIDEO_COLOR_RANGE_0_255) signal_info->VideoFullRange = 1; else signal_info->VideoFullRange = 0; signal_info->ColourDescriptionPresent = 1; signal_info->ColourPrimaries = gst_video_color_primaries_to_iso (cinfo.primaries); signal_info->TransferCharacteristics = gst_video_transfer_function_to_iso (cinfo.transfer); signal_info->MatrixCoefficients = gst_video_color_matrix_to_iso (cinfo.matrix); } } if (cabac == MFX_CODINGOPTION_OFF) option->CAVLC = MFX_CODINGOPTION_ON; else option->CAVLC = MFX_CODINGOPTION_OFF; /* TODO: property ? */ option->AUDelimiter = MFX_CODINGOPTION_ON; if (self->disable_hrd_conformance) { option->NalHrdConformance = MFX_CODINGOPTION_OFF; option->VuiVclHrdParameters = MFX_CODINGOPTION_OFF; } /* Enables PicTiming SEI by default */ option->PicTimingSEI = MFX_CODINGOPTION_ON; /* VUI is useful in various cases, so we don't want to disable it */ option2->DisableVUI = MFX_CODINGOPTION_OFF; /* Do not repeat PPS */ option2->RepeatPPS = MFX_CODINGOPTION_OFF; if (param->mfx.RateControlMethod == MFX_RATECONTROL_LA || param->mfx.RateControlMethod == MFX_RATECONTROL_LA_HRD || param->mfx.RateControlMethod == MFX_RATECONTROL_LA_ICQ) { option2->LookAheadDS = self->rc_lookahead_ds; option2->LookAheadDepth = self->rc_lookahead; } option2->MinQPI = self->min_qp_i; option2->MinQPP = self->min_qp_p; option2->MinQPB = self->min_qp_b; option2->MaxQPI = self->max_qp_i; option2->MaxQPP = self->max_qp_p; option2->MaxQPB = self->max_qp_b; /* QSV wants MFX_B_REF_PYRAMID when more than 1 b-frame is enabled */ if (param->mfx.GopRefDist > 2) option2->BRefType = MFX_B_REF_PYRAMID; /* Upstream specified framerate, we will believe it's fixed framerate */ if (GST_VIDEO_INFO_FPS_N (info) > 0 && GST_VIDEO_INFO_FPS_D (info) > 0) { option2->FixedFrameRate = MFX_CODINGOPTION_ON; option3->TimingInfoPresent = MFX_CODINGOPTION_ON; } if (param->mfx.RateControlMethod == MFX_RATECONTROL_QVBR) option3->QVBRQuality = self->qvbr_quality; if (signal_info) g_ptr_array_add (extra_params, signal_info); g_ptr_array_add (extra_params, option); g_ptr_array_add (extra_params, option2); g_ptr_array_add (extra_params, option3); param->ExtParam = (mfxExtBuffer **) extra_params->pdata; param->NumExtParam = extra_params->len; self->bitrate_updated = FALSE; self->property_updated = FALSE; g_mutex_unlock (&self->prop_lock); return TRUE; } static gboolean gst_qsv_h264_enc_set_output_state (GstQsvEncoder * encoder, GstVideoCodecState * state, mfxSession session) { GstQsvH264Enc *self = GST_QSV_H264_ENC (encoder); GstCaps *caps; GstTagList *tags; GstVideoCodecState *out_state; guint bitrate, max_bitrate; guint multiplier = 1; mfxVideoParam param; const gchar *profile_str; mfxStatus status; mfxExtCodingOptionSPSPPS sps_pps; mfxExtBuffer *ext_buffers[1]; mfxU8 sps[1024]; mfxU8 pps[1024]; GstBuffer *codec_data = nullptr; memset (¶m, 0, sizeof (mfxVideoParam)); memset (&sps_pps, 0, sizeof (mfxExtCodingOptionSPSPPS)); if (self->packetized) { sps_pps.Header.BufferId = MFX_EXTBUFF_CODING_OPTION_SPSPPS; sps_pps.Header.BufferSz = sizeof (mfxExtCodingOptionSPSPPS); sps_pps.SPSBuffer = sps; sps_pps.SPSBufSize = sizeof (sps); sps_pps.PPSBuffer = pps; sps_pps.PPSBufSize = sizeof (pps); ext_buffers[0] = (mfxExtBuffer *) & sps_pps; param.NumExtParam = 1; param.ExtParam = ext_buffers; } status = MFXVideoENCODE_GetVideoParam (session, ¶m); if (status < MFX_ERR_NONE) { GST_ERROR_OBJECT (self, "Failed to get video param %d (%s)", QSV_STATUS_ARGS (status)); return FALSE; } else if (status != MFX_ERR_NONE) { GST_WARNING_OBJECT (self, "GetVideoParam returned warning %d (%s)", QSV_STATUS_ARGS (status)); } if (self->packetized) { GstH264ParserResult rst; GstH264NalUnit sps_nalu, pps_nalu; GstMapInfo info; guint8 *data; guint8 profile_idc, profile_comp, level_idc; const guint nal_length_size = 4; const guint num_sps = 1; const guint num_pps = 1; rst = gst_h264_parser_identify_nalu_unchecked (self->parser, sps, 0, sps_pps.SPSBufSize, &sps_nalu); if (rst != GST_H264_PARSER_OK) { GST_ERROR_OBJECT (self, "Failed to identify SPS nal"); return FALSE; } if (sps_nalu.size < 4) { GST_ERROR_OBJECT (self, "Too small sps nal size %d", sps_nalu.size); return FALSE; } data = sps_nalu.data + sps_nalu.offset + sps_nalu.header_bytes; profile_idc = data[0]; profile_comp = data[1]; level_idc = data[2]; rst = gst_h264_parser_identify_nalu_unchecked (self->parser, pps, 0, sps_pps.PPSBufSize, &pps_nalu); if (rst != GST_H264_PARSER_OK) { GST_ERROR_OBJECT (self, "Failed to identify PPS nal"); return FALSE; } /* 5: configuration version, profile, compatibility, level, nal length * 1: num sps * 2: sps size bytes * sizeof (sps) * 1: num pps * 2: pps size bytes * sizeof (pps) * * -> 11 + sps_size + pps_size */ codec_data = gst_buffer_new_and_alloc (11 + sps_nalu.size + pps_nalu.size); gst_buffer_map (codec_data, &info, GST_MAP_WRITE); data = (guint8 *) info.data; data[0] = 1; data[1] = profile_idc; data[2] = profile_comp; data[3] = level_idc; data[4] = 0xfc | (nal_length_size - 1); data[5] = 0xe0 | num_sps; data += 6; GST_WRITE_UINT16_BE (data, sps_nalu.size); data += 2; memcpy (data, sps_nalu.data + sps_nalu.offset, sps_nalu.size); data += sps_nalu.size; data[0] = num_pps; data++; GST_WRITE_UINT16_BE (data, pps_nalu.size); data += 2; memcpy (data, pps_nalu.data + pps_nalu.offset, pps_nalu.size); gst_buffer_unmap (codec_data, &info); } caps = gst_caps_from_string ("video/x-h264, alignment = (string) au"); profile_str = gst_qsv_h264_profile_to_string (param.mfx.CodecProfile); if (profile_str) gst_caps_set_simple (caps, "profile", G_TYPE_STRING, profile_str, nullptr); if (self->packetized) { gst_caps_set_simple (caps, "stream-format", G_TYPE_STRING, "avc", "codec_data", GST_TYPE_BUFFER, codec_data, nullptr); gst_buffer_unref (codec_data); } else { gst_caps_set_simple (caps, "stream-format", G_TYPE_STRING, "byte-stream", nullptr); } out_state = gst_video_encoder_set_output_state (GST_VIDEO_ENCODER (encoder), caps, state); 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, "qsvh264enc", nullptr); if (param.mfx.BRCParamMultiplier > 0) multiplier = param.mfx.BRCParamMultiplier; switch (param.mfx.RateControlMethod) { case MFX_RATECONTROL_CQP: case MFX_RATECONTROL_ICQ: case MFX_RATECONTROL_LA_ICQ: /* We don't know target/max bitrate in this case */ break; default: max_bitrate = (guint) param.mfx.MaxKbps * multiplier; bitrate = (guint) param.mfx.TargetKbps * multiplier; if (bitrate > 0) { gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE, GST_TAG_NOMINAL_BITRATE, bitrate * 1000, nullptr); } if (max_bitrate > 0) { gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE, GST_TAG_MAXIMUM_BITRATE, max_bitrate * 1000, nullptr); } break; } gst_video_encoder_merge_tags (GST_VIDEO_ENCODER (encoder), tags, GST_TAG_MERGE_REPLACE); gst_tag_list_unref (tags); return TRUE; } static gboolean gst_qsv_h264_enc_foreach_caption_meta (GstBuffer * buffer, GstMeta ** meta, GPtrArray * payload) { GstVideoCaptionMeta *cc_meta; GstByteWriter br; guint payload_size; guint extra_size; mfxPayload *p; if ((*meta)->info->api != GST_VIDEO_CAPTION_META_API_TYPE) return TRUE; cc_meta = (GstVideoCaptionMeta *) (*meta); if (cc_meta->caption_type != GST_VIDEO_CAPTION_TYPE_CEA708_RAW) return TRUE; /* QSV requires full sei_message() structure */ /* 1 byte contry_code + 10 bytes CEA-708 specific data + caption data */ payload_size = 11 + cc_meta->size; extra_size = payload_size / 255; /* 1 byte SEI type + 1 byte SEI payload size (+ extra) + payload data */ gst_byte_writer_init_with_size (&br, 2 + extra_size + payload_size, FALSE); /* SEI type */ gst_byte_writer_put_uint8 (&br, 4); /* SEI payload size */ while (payload_size >= 0xff) { gst_byte_writer_put_uint8 (&br, 0xff); payload_size -= 0xff; } gst_byte_writer_put_uint8 (&br, payload_size); /* 8-bits itu_t_t35_country_code */ gst_byte_writer_put_uint8 (&br, 181); /* 16-bits itu_t_t35_provider_code */ gst_byte_writer_put_uint8 (&br, 0); gst_byte_writer_put_uint8 (&br, 49); /* 32-bits ATSC_user_identifier */ gst_byte_writer_put_uint8 (&br, 'G'); gst_byte_writer_put_uint8 (&br, 'A'); gst_byte_writer_put_uint8 (&br, '9'); gst_byte_writer_put_uint8 (&br, '4'); /* 8-bits ATSC1_data_user_data_type_code */ gst_byte_writer_put_uint8 (&br, 3); /* 8-bits: * 1 bit process_em_data_flag (0) * 1 bit process_cc_data_flag (1) * 1 bit additional_data_flag (0) * 5-bits cc_count */ gst_byte_writer_put_uint8 (&br, ((cc_meta->size / 3) & 0x1f) | 0x40); /* 8 bits em_data, unused */ gst_byte_writer_put_uint8 (&br, 255); gst_byte_writer_put_data (&br, cc_meta->data, cc_meta->size); /* 8 marker bits */ gst_byte_writer_put_uint8 (&br, 255); p = g_new0 (mfxPayload, 1); p->BufSize = gst_byte_writer_get_pos (&br); p->NumBit = p->BufSize * 8; p->Type = 4; p->Data = gst_byte_writer_reset_and_get_data (&br); g_ptr_array_add (payload, p); return TRUE; } static gboolean gst_qsv_h264_enc_attach_payload (GstQsvEncoder * encoder, GstVideoCodecFrame * frame, GPtrArray * payload) { GstQsvH264Enc *self = GST_QSV_H264_ENC (encoder); if (self->cc_insert == GST_QSV_H264_ENC_SEI_DISABLED) return TRUE; gst_buffer_foreach_meta (frame->input_buffer, (GstBufferForeachMetaFunc) gst_qsv_h264_enc_foreach_caption_meta, payload); return TRUE; } static GstBuffer * gst_qsv_h264_enc_create_output_buffer (GstQsvEncoder * encoder, mfxBitstream * bitstream) { GstQsvH264Enc *self = GST_QSV_H264_ENC (encoder); GstBuffer *buf; GstH264ParserResult rst; GstH264NalUnit nalu; if (!self->packetized) { buf = gst_buffer_new_memdup (bitstream->Data + bitstream->DataOffset, bitstream->DataLength); } else { buf = gst_buffer_new (); rst = gst_h264_parser_identify_nalu (self->parser, bitstream->Data + bitstream->DataOffset, 0, bitstream->DataLength, &nalu); if (rst == GST_H264_PARSER_NO_NAL_END) rst = GST_H264_PARSER_OK; while (rst == GST_H264_PARSER_OK) { GstMemory *mem; guint8 *data; data = (guint8 *) g_malloc0 (nalu.size + 4); GST_WRITE_UINT32_BE (data, nalu.size); memcpy (data + 4, nalu.data + nalu.offset, nalu.size); mem = gst_memory_new_wrapped ((GstMemoryFlags) 0, data, nalu.size + 4, 0, nalu.size + 4, data, (GDestroyNotify) g_free); gst_buffer_append_memory (buf, mem); rst = gst_h264_parser_identify_nalu (self->parser, bitstream->Data + bitstream->DataOffset, nalu.offset + nalu.size, bitstream->DataLength, &nalu); if (rst == GST_H264_PARSER_NO_NAL_END) rst = GST_H264_PARSER_OK; } } /* This buffer must be the end of a frame boundary */ GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_MARKER); return buf; } static GstQsvEncoderReconfigure gst_qsv_h264_enc_check_reconfigure (GstQsvEncoder * encoder, mfxSession session, mfxVideoParam * param, GPtrArray * extra_params) { GstQsvH264Enc *self = GST_QSV_H264_ENC (encoder); GstQsvEncoderReconfigure ret = GST_QSV_ENCODER_RECONFIGURE_NONE; g_mutex_lock (&self->prop_lock); if (self->property_updated) { ret = GST_QSV_ENCODER_RECONFIGURE_FULL; goto done; } if (self->bitrate_updated) { mfxStatus status; mfxExtEncoderResetOption reset_opt; reset_opt.Header.BufferId = MFX_EXTBUFF_ENCODER_RESET_OPTION; reset_opt.Header.BufferSz = sizeof (mfxExtEncoderResetOption); reset_opt.StartNewSequence = MFX_CODINGOPTION_UNKNOWN; gst_qsv_h264_enc_set_bitrate (self, param); g_ptr_array_add (extra_params, &reset_opt); param->ExtParam = (mfxExtBuffer **) extra_params->pdata; param->NumExtParam = extra_params->len; status = MFXVideoENCODE_Query (session, param, param); g_ptr_array_remove_index (extra_params, extra_params->len - 1); param->NumExtParam = extra_params->len; if (status != MFX_ERR_NONE) { GST_WARNING_OBJECT (self, "MFXVideoENCODE_Query returned %d (%s)", QSV_STATUS_ARGS (status)); ret = GST_QSV_ENCODER_RECONFIGURE_FULL; } else { if (reset_opt.StartNewSequence == MFX_CODINGOPTION_OFF) { GST_DEBUG_OBJECT (self, "Can update without new sequence"); ret = GST_QSV_ENCODER_RECONFIGURE_BITRATE; } else { GST_DEBUG_OBJECT (self, "Need new sequence"); ret = GST_QSV_ENCODER_RECONFIGURE_FULL; } } } done: self->property_updated = FALSE; self->bitrate_updated = FALSE; g_mutex_unlock (&self->prop_lock); return ret; } typedef struct { guint width; guint height; } Resolution; void gst_qsv_h264_enc_register (GstPlugin * plugin, guint rank, guint impl_index, GstObject * device, mfxSession session) { mfxStatus status; mfxVideoParam param; mfxInfoMFX *mfx; static const Resolution resolutions_to_check[] = { {1280, 720}, {1920, 1088}, {2560, 1440}, {3840, 2160}, {4096, 2160}, {7680, 4320}, {8192, 4320} }; std::vector < mfxU16 > supported_profiles; Resolution max_resolution; bool supports_interlaced = false; memset (¶m, 0, sizeof (mfxVideoParam)); memset (&max_resolution, 0, sizeof (Resolution)); param.AsyncDepth = 4; param.IOPattern = MFX_IOPATTERN_IN_VIDEO_MEMORY; mfx = ¶m.mfx; mfx->CodecId = MFX_CODEC_AVC; mfx->FrameInfo.Width = GST_ROUND_UP_16 (320); mfx->FrameInfo.Height = GST_ROUND_UP_16 (240); mfx->FrameInfo.CropW = 320; mfx->FrameInfo.CropH = 240; mfx->FrameInfo.FrameRateExtN = 30; mfx->FrameInfo.FrameRateExtD = 1; mfx->FrameInfo.AspectRatioW = 1; mfx->FrameInfo.AspectRatioH = 1; mfx->FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420; mfx->FrameInfo.FourCC = MFX_FOURCC_NV12; mfx->FrameInfo.BitDepthLuma = 8; mfx->FrameInfo.BitDepthChroma = 8; mfx->FrameInfo.PicStruct = MFX_PICSTRUCT_PROGRESSIVE; /* Check supported profiles */ for (guint i = 0; i < G_N_ELEMENTS (profile_map); i++) { mfx->CodecProfile = profile_map[i].profile; if (MFXVideoENCODE_Query (session, ¶m, ¶m) != MFX_ERR_NONE) continue; supported_profiles.push_back (profile_map[i].profile); } if (supported_profiles.empty ()) { GST_INFO ("Device doesn't support H.264 encoding"); return; } mfx->CodecProfile = supported_profiles[0]; /* Check max-resolution */ for (guint i = 0; i < G_N_ELEMENTS (resolutions_to_check); i++) { mfx->FrameInfo.Width = GST_ROUND_UP_16 (resolutions_to_check[i].width); mfx->FrameInfo.Height = GST_ROUND_UP_16 (resolutions_to_check[i].height); mfx->FrameInfo.CropW = resolutions_to_check[i].width; mfx->FrameInfo.CropH = resolutions_to_check[i].height; if (MFXVideoENCODE_Query (session, ¶m, ¶m) != MFX_ERR_NONE) break; max_resolution.width = resolutions_to_check[i].width; max_resolution.height = resolutions_to_check[i].height; } GST_INFO ("Maximum supported resolution: %dx%d", max_resolution.width, max_resolution.height); /* TODO: check supported rate-control methods and expose only supported * methods, since the device might not be able to support some of them */ /* Check interlaced encoding */ /* *INDENT-OFF* */ for (const auto &iter: supported_profiles) { if (iter == MFX_PROFILE_AVC_MAIN || iter == MFX_PROFILE_AVC_HIGH) { /* Make sure non-lowpower mode, otherwise QSV will not accept * interlaced format during Query() */ mfx->LowPower = MFX_CODINGOPTION_UNKNOWN; /* Interlaced encoding is not compatible with MFX_RATECONTROL_VCM, * make sure profile */ mfx->RateControlMethod = MFX_RATECONTROL_CBR; /* Too high (MFX_LEVEL_AVC_41) or low (MFX_LEVEL_AVC_21) level will not be * accepted for interlaced encoding */ mfx->CodecLevel = MFX_LEVEL_UNKNOWN; mfx->CodecProfile = iter; mfx->FrameInfo.Width = GST_ROUND_UP_16 (320); mfx->FrameInfo.Height = GST_ROUND_UP_32 (240); mfx->FrameInfo.CropW = 320; mfx->FrameInfo.CropH = 240; mfx->FrameInfo.PicStruct = MFX_PICSTRUCT_FIELD_TFF; status = MFXVideoENCODE_Query (session, ¶m, ¶m); if (status == MFX_ERR_NONE) { GST_INFO ("Interlaced encoding is supported"); supports_interlaced = true; break; } } } /* *INDENT-ON* */ /* To cover both landscape and portrait, * select max value (width in this case) */ guint resolution = MAX (max_resolution.width, max_resolution.height); std::string sink_caps_str = "video/x-raw, format=(string) NV12"; sink_caps_str += ", width=(int) [ 16, " + std::to_string (resolution) + " ]"; sink_caps_str += ", height=(int) [ 16, " + std::to_string (resolution) + " ]"; if (!supports_interlaced) sink_caps_str += ", interlace-mode = (string) progressive"; GstCaps *sink_caps = gst_caps_from_string (sink_caps_str.c_str ()); /* TODO: Add support for VA */ #ifdef G_OS_WIN32 GstCaps *d3d11_caps = gst_caps_copy (sink_caps); GstCapsFeatures *caps_features = gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, nullptr); gst_caps_set_features_simple (d3d11_caps, caps_features); gst_caps_append (d3d11_caps, sink_caps); sink_caps = d3d11_caps; #else GstCaps *va_caps = gst_caps_copy (sink_caps); GstCapsFeatures *caps_features = gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_VA, nullptr); gst_caps_set_features_simple (va_caps, caps_features); gst_caps_append (va_caps, sink_caps); sink_caps = va_caps; #endif std::string src_caps_str = "video/x-h264"; src_caps_str += ", width=(int) [ 16, " + std::to_string (resolution) + " ]"; src_caps_str += ", height=(int) [ 16, " + std::to_string (resolution) + " ]"; src_caps_str += ", stream-format= (string) { avc, byte-stream }"; src_caps_str += ", alignment=(string) au"; /* *INDENT-OFF* */ if (supported_profiles.size () > 1) { src_caps_str += ", profile=(string) { "; bool first = true; for (const auto &iter: supported_profiles) { if (!first) { src_caps_str += ", "; } src_caps_str += gst_qsv_h264_profile_to_string (iter); first = false; } src_caps_str += " }"; } else { src_caps_str += ", profile=(string) "; src_caps_str += gst_qsv_h264_profile_to_string (supported_profiles[0]); } /* *INDENT-ON* */ GstCaps *src_caps = gst_caps_from_string (src_caps_str.c_str ()); 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); GstQsvH264EncClassData *cdata = g_new0 (GstQsvH264EncClassData, 1); cdata->sink_caps = sink_caps; cdata->src_caps = src_caps; cdata->impl_index = impl_index; #ifdef G_OS_WIN32 gint64 device_luid; g_object_get (device, "adapter-luid", &device_luid, nullptr); cdata->adapter_luid = device_luid; #else gchar *display_path; g_object_get (device, "path", &display_path, nullptr); cdata->display_path = display_path; #endif GType type; gchar *type_name; gchar *feature_name; GTypeInfo type_info = { sizeof (GstQsvH264EncClass), nullptr, nullptr, (GClassInitFunc) gst_qsv_h264_enc_class_init, nullptr, cdata, sizeof (GstQsvH264Enc), 0, (GInstanceInitFunc) gst_qsv_h264_enc_init, }; type_name = g_strdup ("GstQsvH264Enc"); feature_name = g_strdup ("qsvh264enc"); gint index = 0; while (g_type_from_name (type_name)) { index++; g_free (type_name); g_free (feature_name); type_name = g_strdup_printf ("GstQsvH264Device%dEnc", index); feature_name = g_strdup_printf ("qsvh264device%denc", index); } type = g_type_register_static (GST_TYPE_QSV_ENCODER, type_name, &type_info, (GTypeFlags) 0); if (rank > 0 && index != 0) 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); }