/* 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 "gstqsvh265enc.h" #include #include #include #include #include #ifdef G_OS_WIN32 #include #else #include #endif GST_DEBUG_CATEGORY_EXTERN (gst_qsv_h265_enc_debug); #define GST_CAT_DEFAULT gst_qsv_h265_enc_debug typedef enum { GST_QSV_H265_ENC_SEI_INSERT, GST_QSV_H265_ENC_SEI_INSERT_AND_DROP, GST_QSV_H265_ENC_SEI_DISABLED, } GstQsvH265EncSeiInsertMode; #define GST_TYPE_QSV_H265_ENC_SEI_INSERT_MODE (gst_qsv_h265_enc_sei_insert_mode_get_type ()) static GType gst_qsv_h265_enc_sei_insert_mode_get_type (void) { static GType sei_insert_mode_type = 0; static const GEnumValue insert_modes[] = { {GST_QSV_H265_ENC_SEI_INSERT, "Insert SEI", "insert"}, {GST_QSV_H265_ENC_SEI_INSERT_AND_DROP, "Insert SEI and remove corresponding meta from output buffer", "insert-and-drop"}, {GST_QSV_H265_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 ("GstQsvH265EncSeiInsertMode", insert_modes); g_once_init_leave (&sei_insert_mode_type, type); } return sei_insert_mode_type; } #define GST_TYPE_QSV_H265_ENC_RATE_CONTROL (gst_qsv_h265_enc_rate_control_get_type ()) static GType gst_qsv_h265_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"}, {0, nullptr, nullptr} }; if (g_once_init_enter (&rate_control_type)) { GType type = g_enum_register_static ("GstQsvH265EncRateControl", rate_controls); g_once_init_leave (&rate_control_type, type); } return rate_control_type; } enum { PROP_0, PROP_ADAPTER_LUID, PROP_DEVICE_PATH, PROP_GOP_SIZE, PROP_B_FRAMES, PROP_REF_FRAMES, PROP_BITRATE, PROP_MAX_BITRATE, PROP_RATE_CONTROL, PROP_CC_INSERT, }; #define DEFAULT_GOP_SIZE 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_CBR #define DEFAULT_CC_INSERT GST_QSV_H265_ENC_SEI_INSERT typedef struct _GstQsvH265EncClassData { GstCaps *sink_caps; GstCaps *src_caps; guint impl_index; gint64 adapter_luid; gchar *display_path; } GstQsvH265EncClassData; typedef struct _GstQsvH265Enc { GstQsvEncoder parent; mfxExtVideoSignalInfo signal_info; mfxExtCodingOption option; mfxExtCodingOption2 option2; mfxExtCodingOption3 option3; mfxU16 profile; GMutex prop_lock; /* protected by prop_lock */ gboolean bitrate_updated; gboolean property_updated; /* properties */ guint gop_size; guint bframes; guint ref_frames; guint bitrate; guint max_bitrate; mfxU16 rate_control; GstQsvH265EncSeiInsertMode cc_insert; } GstQsvH265Enc; typedef struct _GstQsvH265EncClass { GstQsvEncoderClass parent_class; } GstQsvH265EncClass; static GstElementClass *parent_class = nullptr; #define GST_QSV_H265_ENC(object) ((GstQsvH265Enc *) (object)) #define GST_QSV_H265_ENC_GET_CLASS(object) \ (G_TYPE_INSTANCE_GET_CLASS ((object),G_TYPE_FROM_INSTANCE (object),GstQsvH265EncClass)) static void gst_qsv_h265_enc_finalize (GObject * object); static void gst_qsv_h265_enc_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec); static void gst_qsv_h265_enc_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); static gboolean gst_qsv_h265_enc_start (GstVideoEncoder * encoder); static gboolean gst_qsv_h265_enc_transform_meta (GstVideoEncoder * encoder, GstVideoCodecFrame * frame, GstMeta * meta); static GstCaps *gst_qsv_h265_enc_getcaps (GstVideoEncoder * encoder, GstCaps * filter); static gboolean gst_qsv_h265_enc_set_format (GstQsvEncoder * encoder, GstVideoCodecState * state, mfxVideoParam * param, GPtrArray * extra_params); static gboolean gst_qsv_h265_enc_set_output_state (GstQsvEncoder * encoder, GstVideoCodecState * state, mfxSession session); static gboolean gst_qsv_h265_enc_attach_payload (GstQsvEncoder * encoder, GstVideoCodecFrame * frame, GPtrArray * payload); static GstBuffer *gst_qsv_h265_enc_create_output_buffer (GstQsvEncoder * encoder, mfxBitstream * bitstream); static GstQsvEncoderReconfigure gst_qsv_h265_enc_check_reconfigure (GstQsvEncoder * encoder, mfxVideoParam * param); static void gst_qsv_h265_enc_class_init (GstQsvH265EncClass * 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); GstQsvH265EncClassData *cdata = (GstQsvH265EncClassData *) 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_h265_enc_finalize; object_class->set_property = gst_qsv_h265_enc_set_property; object_class->get_property = gst_qsv_h265_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_B_FRAMES, g_param_spec_uint ("b-frames", "B Frames", "Number of B frames between I and P frames", 0, G_MAXINT, 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_H265_ENC_RATE_CONTROL, DEFAULT_RATE_CONTROL, (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_H265_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.265 Encoder", "Codec/Encoder/Video/Hardware", "Intel Quick Sync Video H.265 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_h265_enc_start); encoder_class->transform_meta = GST_DEBUG_FUNCPTR (gst_qsv_h265_enc_transform_meta); encoder_class->getcaps = GST_DEBUG_FUNCPTR (gst_qsv_h265_enc_getcaps); qsvenc_class->set_format = GST_DEBUG_FUNCPTR (gst_qsv_h265_enc_set_format); qsvenc_class->set_output_state = GST_DEBUG_FUNCPTR (gst_qsv_h265_enc_set_output_state); qsvenc_class->attach_payload = GST_DEBUG_FUNCPTR (gst_qsv_h265_enc_attach_payload); qsvenc_class->create_output_buffer = GST_DEBUG_FUNCPTR (gst_qsv_h265_enc_create_output_buffer); qsvenc_class->check_reconfigure = GST_DEBUG_FUNCPTR (gst_qsv_h265_enc_check_reconfigure); gst_caps_unref (cdata->sink_caps); gst_caps_unref (cdata->src_caps); g_free (cdata); } static void gst_qsv_h265_enc_init (GstQsvH265Enc * self) { self->gop_size = DEFAULT_GOP_SIZE; 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->cc_insert = DEFAULT_CC_INSERT; g_mutex_init (&self->prop_lock); } static void gst_qsv_h265_enc_finalize (GObject * object) { GstQsvH265Enc *self = GST_QSV_H265_ENC (object); g_mutex_clear (&self->prop_lock); G_OBJECT_CLASS (parent_class)->finalize (object); } static void gst_qsv_h265_enc_check_update_uint (GstQsvH265Enc * 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_h265_enc_check_update_enum (GstQsvH265Enc * 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_h265_enc_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { GstQsvH265Enc *self = GST_QSV_H265_ENC (object); switch (prop_id) { case PROP_GOP_SIZE: gst_qsv_h265_enc_check_update_uint (self, &self->gop_size, g_value_get_uint (value), FALSE); break; case PROP_B_FRAMES: gst_qsv_h265_enc_check_update_uint (self, &self->bframes, g_value_get_uint (value), FALSE); break; case PROP_REF_FRAMES: gst_qsv_h265_enc_check_update_uint (self, &self->ref_frames, g_value_get_uint (value), FALSE); break; case PROP_BITRATE: gst_qsv_h265_enc_check_update_uint (self, &self->bitrate, g_value_get_uint (value), TRUE); break; case PROP_MAX_BITRATE: gst_qsv_h265_enc_check_update_uint (self, &self->max_bitrate, g_value_get_uint (value), TRUE); break; case PROP_RATE_CONTROL: gst_qsv_h265_enc_check_update_enum (self, &self->rate_control, g_value_get_enum (value)); break; case PROP_CC_INSERT: /* This property is unrelated to encoder-reset */ self->cc_insert = (GstQsvH265EncSeiInsertMode) g_value_get_enum (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_qsv_h265_enc_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { GstQsvH265Enc *self = GST_QSV_H265_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_GOP_SIZE: g_value_set_uint (value, self->gop_size); 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_CC_INSERT: g_value_set_enum (value, self->cc_insert); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static gboolean gst_qsv_h265_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_h265_enc_transform_meta (GstVideoEncoder * encoder, GstVideoCodecFrame * frame, GstMeta * meta) { GstQsvH265Enc *self = GST_QSV_H265_ENC (encoder); GstVideoCaptionMeta *cc_meta; /* We need to handle only case CC meta should be dropped */ if (self->cc_insert != GST_QSV_H265_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_h265_enc_getcaps (GstVideoEncoder * encoder, GstCaps * filter) { GstQsvH265Enc *self = GST_QSV_H265_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 raw video format */ 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 (g_strcmp0 (profile, "main") == 0 || g_strcmp0 (profile, "main-10") == 0) { downstream_profiles.insert (profile); } } } gst_clear_caps (&allowed_caps); 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); 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); if (downstream_profiles.size () == 1) { std::string format; const std::string & profile = *downstream_profiles.begin (); if (profile == "main") { format = "NV12"; } else if (profile == "main-10") { format = "P010_10LE"; } else { gst_clear_caps (&template_caps); g_assert_not_reached (); return nullptr; } gst_caps_set_simple (template_caps, "format", G_TYPE_STRING, format.c_str (), nullptr); } else { GValue formats = G_VALUE_INIT; g_value_init (&formats, GST_TYPE_LIST); /* *INDENT-OFF* */ for (const auto & iter : downstream_profiles) { GValue val = G_VALUE_INIT; g_value_init (&val, G_TYPE_STRING); if (iter == "main") { g_value_set_static_string (&val, "NV12"); } else if (iter == "main-10") { g_value_set_static_string (&val, "P010_10LE"); } else { g_value_unset (&val); gst_clear_caps (&template_caps); g_assert_not_reached (); return nullptr; } gst_value_list_append_and_take_value (&formats, &val); } /* *INDENT-ON* */ gst_caps_set_value (template_caps, "format", &formats); g_value_unset (&formats); } 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; const gchar *raw_format; } H265Profile; static const H265Profile profile_map[] = { {MFX_PROFILE_HEVC_MAIN, "main", "NV12"}, {MFX_PROFILE_HEVC_MAIN10, "main-10", "P010_10LE"}, }; static const gchar * gst_qsv_h265_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 void gst_qsv_h265_enc_init_extra_params (GstQsvH265Enc * 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 gboolean gst_qsv_h265_enc_set_format (GstQsvEncoder * encoder, GstVideoCodecState * state, mfxVideoParam * param, GPtrArray * extra_params) { GstQsvH265Enc *self = GST_QSV_H265_ENC (encoder); mfxU16 mfx_profile = MFX_PROFILE_UNKNOWN; GstVideoInfo *info = &state->info; mfxExtVideoSignalInfo *signal_info = nullptr; mfxExtCodingOption *option; mfxExtCodingOption2 *option2; mfxExtCodingOption3 *option3; mfxFrameInfo *frame_info; frame_info = ¶m->mfx.FrameInfo; frame_info->Width = GST_ROUND_UP_16 (info->width); 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 x265enc */ 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); switch (GST_VIDEO_INFO_FORMAT (info)) { case GST_VIDEO_FORMAT_NV12: mfx_profile = MFX_PROFILE_HEVC_MAIN; frame_info->ChromaFormat = MFX_CHROMAFORMAT_YUV420; frame_info->FourCC = MFX_FOURCC_NV12; frame_info->BitDepthLuma = 8; frame_info->BitDepthChroma = 8; frame_info->Shift = 0; break; case GST_VIDEO_FORMAT_P010_10LE: mfx_profile = MFX_PROFILE_HEVC_MAIN10; frame_info->ChromaFormat = MFX_CHROMAFORMAT_YUV420; frame_info->FourCC = MFX_FOURCC_P010; frame_info->BitDepthLuma = 10; frame_info->BitDepthChroma = 10; frame_info->Shift = 1; break; default: GST_ERROR_OBJECT (self, "Unexpected format %s", gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (info))); return FALSE; } gst_qsv_h265_enc_init_extra_params (self); option = &self->option; option2 = &self->option2; option3 = &self->option3; g_mutex_lock (&self->prop_lock); param->mfx.CodecId = MFX_CODEC_HEVC; param->mfx.CodecProfile = mfx_profile; param->mfx.GopRefDist = self->bframes + 1; param->mfx.GopPicSize = self->gop_size; param->mfx.RateControlMethod = self->rate_control; param->mfx.NumRefFrame = self->ref_frames; /* Calculate multiplier to avoid uint16 overflow */ guint max_val = MAX (self->bitrate, self->max_bitrate); guint multiplier = (max_val + 0x10000) / 0x10000; switch (param->mfx.RateControlMethod) { case MFX_RATECONTROL_CBR: case MFX_RATECONTROL_VBR: param->mfx.TargetKbps = self->bitrate / multiplier; param->mfx.MaxKbps = self->max_bitrate / multiplier; param->mfx.BRCParamMultiplier = (mfxU16) multiplier; break; default: GST_WARNING_OBJECT (self, "Unhandled rate-control method %d", self->rate_control); break; } /* 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); } } /* TODO: property ? */ option->AUDelimiter = MFX_CODINGOPTION_ON; /* 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; /* 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 (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_h265_enc_set_output_state (GstQsvEncoder * encoder, GstVideoCodecState * state, mfxSession session) { GstQsvH265Enc *self = GST_QSV_H265_ENC (encoder); GstCaps *caps; GstTagList *tags; GstVideoCodecState *out_state; guint bitrate, max_bitrate; guint multiplier = 1; mfxVideoParam param; const gchar *profile_str; mfxStatus status; memset (¶m, 0, sizeof (mfxVideoParam)); 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)); } caps = gst_caps_from_string ("video/x-h265, alignment = (string) au, " "stream-format = (string) byte-stream"); profile_str = gst_qsv_h265_profile_to_string (param.mfx.CodecProfile); if (profile_str) gst_caps_set_simple (caps, "profile", G_TYPE_STRING, profile_str, 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, "qsvh265enc", 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_h265_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_h265_enc_attach_payload (GstQsvEncoder * encoder, GstVideoCodecFrame * frame, GPtrArray * payload) { GstQsvH265Enc *self = GST_QSV_H265_ENC (encoder); if (self->cc_insert == GST_QSV_H265_ENC_SEI_DISABLED) return TRUE; gst_buffer_foreach_meta (frame->input_buffer, (GstBufferForeachMetaFunc) gst_qsv_h265_enc_foreach_caption_meta, payload); return TRUE; } static GstBuffer * gst_qsv_h265_enc_create_output_buffer (GstQsvEncoder * encoder, mfxBitstream * bitstream) { GstBuffer *buf; buf = gst_buffer_new_memdup (bitstream->Data + bitstream->DataOffset, bitstream->DataLength); /* 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_h265_enc_check_reconfigure (GstQsvEncoder * encoder, mfxVideoParam * param) { GstQsvH265Enc *self = GST_QSV_H265_ENC (encoder); g_mutex_lock (&self->prop_lock); if (self->property_updated) { g_mutex_unlock (&self->prop_lock); return GST_QSV_ENCODER_RECONFIGURE_FULL; } if (self->bitrate_updated) { /* Update @param with updated bitrate values so that baseclass can * call MFXVideoENCODE_Query() with updated values */ param->mfx.TargetKbps = self->bitrate; param->mfx.MaxKbps = self->max_bitrate; g_mutex_unlock (&self->prop_lock); return GST_QSV_ENCODER_RECONFIGURE_BITRATE; } g_mutex_unlock (&self->prop_lock); return GST_QSV_ENCODER_RECONFIGURE_NONE; } typedef struct { guint width; guint height; } Resolution; void gst_qsv_h265_enc_register (GstPlugin * plugin, guint rank, guint impl_index, GstObject * device, mfxSession session) { 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; std::vector < std::string > supported_formats; Resolution max_resolution; 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_HEVC; 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.PicStruct = MFX_PICSTRUCT_PROGRESSIVE; /* Check supported profiles */ for (guint i = 0; i < G_N_ELEMENTS (profile_map); i++) { mfx->CodecProfile = profile_map[i].profile; mfx->CodecLevel = MFX_LEVEL_UNKNOWN; switch (mfx->CodecProfile) { case MFX_PROFILE_HEVC_MAIN: mfx->FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420; mfx->FrameInfo.FourCC = MFX_FOURCC_NV12; mfx->FrameInfo.BitDepthLuma = 8; mfx->FrameInfo.BitDepthChroma = 8; mfx->FrameInfo.Shift = 0; break; case MFX_PROFILE_HEVC_MAIN10: mfx->FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420; mfx->FrameInfo.FourCC = MFX_FOURCC_P010; mfx->FrameInfo.BitDepthLuma = 10; mfx->FrameInfo.BitDepthChroma = 10; mfx->FrameInfo.Shift = 1; break; default: g_assert_not_reached (); return; } if (MFXVideoENCODE_Query (session, ¶m, ¶m) != MFX_ERR_NONE) continue; supported_profiles.push_back (profile_map[i].profile); supported_formats.push_back (profile_map[i].raw_format); } if (supported_profiles.empty ()) { GST_INFO ("Device doesn't support H.265 encoding"); return; } mfx->FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420; mfx->FrameInfo.FourCC = MFX_FOURCC_NV12; mfx->FrameInfo.BitDepthLuma = 8; mfx->FrameInfo.BitDepthChroma = 8; mfx->FrameInfo.Shift = 0; mfx->CodecProfile = MFX_PROFILE_HEVC_MAIN; /* 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 */ /* 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"; sink_caps_str += ", width=(int) [ 16, " + std::to_string (resolution) + " ]"; sink_caps_str += ", height=(int) [ 16, " + std::to_string (resolution) + " ]"; /* *INDENT-OFF* */ if (supported_formats.size () > 1) { sink_caps_str += ", format=(string) { "; bool first = true; for (const auto &iter: supported_formats) { if (!first) { sink_caps_str += ", "; } sink_caps_str += iter; first = false; } sink_caps_str += " }"; } else { sink_caps_str += ", format=(string) " + supported_formats[0]; } /* *INDENT-ON* */ 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; #endif std::string src_caps_str = "video/x-h265"; 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) 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_h265_profile_to_string (iter); first = false; } src_caps_str += " }"; } else { src_caps_str += ", profile=(string) "; src_caps_str += gst_qsv_h265_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); GstQsvH265EncClassData *cdata = g_new0 (GstQsvH265EncClassData, 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 (GstQsvH265EncClass), nullptr, nullptr, (GClassInitFunc) gst_qsv_h265_enc_class_init, nullptr, cdata, sizeof (GstQsvH265Enc), 0, (GInstanceInitFunc) gst_qsv_h265_enc_init, }; type_name = g_strdup ("GstQsvH265Enc"); feature_name = g_strdup ("qsvh265enc"); gint index = 0; while (g_type_from_name (type_name)) { index++; g_free (type_name); g_free (feature_name); type_name = g_strdup_printf ("GstQsvH265Device%dEnc", index); feature_name = g_strdup_printf ("qsvh265device%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); }