/* GStreamer * Copyright (C) 2019 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 #endif #include "gstd3d11h265dec.h" #include "gstd3d11memory.h" #include "gstd3d11bufferpool.h" #include #include /* HACK: to expose dxva data structure on UWP */ #ifdef WINAPI_PARTITION_DESKTOP #undef WINAPI_PARTITION_DESKTOP #endif #define WINAPI_PARTITION_DESKTOP 1 #include #include GST_DEBUG_CATEGORY_EXTERN (gst_d3d11_h265_dec_debug); #define GST_CAT_DEFAULT gst_d3d11_h265_dec_debug enum { PROP_0, PROP_ADAPTER, PROP_DEVICE_ID, PROP_VENDOR_ID, }; /* copied from d3d11.h since mingw header doesn't define them */ DEFINE_GUID (GST_GUID_D3D11_DECODER_PROFILE_HEVC_VLD_MAIN, 0x5b11d51b, 0x2f4c, 0x4452, 0xbc, 0xc3, 0x09, 0xf2, 0xa1, 0x16, 0x0c, 0xc0); DEFINE_GUID (GST_GUID_D3D11_DECODER_PROFILE_HEVC_VLD_MAIN10, 0x107af0e0, 0xef1a, 0x4d19, 0xab, 0xa8, 0x67, 0xa1, 0x63, 0x07, 0x3d, 0x13); typedef struct _GstD3D11H265Dec { GstH265Decoder parent; GstVideoCodecState *output_state; GstD3D11Device *device; guint width, height; guint coded_width, coded_height; guint bitdepth; guint chroma_format_idc; GstVideoFormat out_format; /* Array of DXVA_Slice_HEVC_Short */ GArray *slice_list; gboolean submit_iq_data; GstD3D11Decoder *d3d11_decoder; /* Pointing current bitstream buffer */ gboolean bad_aligned_bitstream_buffer; guint written_buffer_size; guint remaining_buffer_size; guint8 *bitstream_buffer_data; gboolean use_d3d11_output; DXVA_PicEntry_HEVC ref_pic_list[15]; INT pic_order_cnt_val_list[15]; UCHAR ref_pic_set_st_curr_before[8]; UCHAR ref_pic_set_st_curr_after[8]; UCHAR ref_pic_set_lt_curr[8]; } GstD3D11H265Dec; typedef struct _GstD3D11H265DecClass { GstH265DecoderClass parent_class; guint adapter; guint device_id; guint vendor_id; } GstD3D11H265DecClass; static GstElementClass *parent_class = NULL; #define GST_D3D11_H265_DEC(object) ((GstD3D11H265Dec *) (object)) #define GST_D3D11_H265_DEC_GET_CLASS(object) \ (G_TYPE_INSTANCE_GET_CLASS ((object),G_TYPE_FROM_INSTANCE (object),GstD3D11H265DecClass)) static void gst_d3d11_h265_dec_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); static void gst_d3d11_h265_dec_dispose (GObject * object); static void gst_d3d11_h265_dec_set_context (GstElement * element, GstContext * context); static gboolean gst_d3d11_h265_dec_open (GstVideoDecoder * decoder); static gboolean gst_d3d11_h265_dec_close (GstVideoDecoder * decoder); static gboolean gst_d3d11_h265_dec_negotiate (GstVideoDecoder * decoder); static gboolean gst_d3d11_h265_dec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query); static gboolean gst_d3d11_h265_dec_src_query (GstVideoDecoder * decoder, GstQuery * query); /* GstH265Decoder */ static gboolean gst_d3d11_h265_dec_new_sequence (GstH265Decoder * decoder, const GstH265SPS * sps, gint max_dpb_size); static gboolean gst_d3d11_h265_dec_new_picture (GstH265Decoder * decoder, GstVideoCodecFrame * cframe, GstH265Picture * picture); static GstFlowReturn gst_d3d11_h265_dec_output_picture (GstH265Decoder * decoder, GstVideoCodecFrame * frame, GstH265Picture * picture); static gboolean gst_d3d11_h265_dec_start_picture (GstH265Decoder * decoder, GstH265Picture * picture, GstH265Slice * slice, GstH265Dpb * dpb); static gboolean gst_d3d11_h265_dec_decode_slice (GstH265Decoder * decoder, GstH265Picture * picture, GstH265Slice * slice, GArray * ref_pic_list0, GArray * ref_pic_list1); static gboolean gst_d3d11_h265_dec_end_picture (GstH265Decoder * decoder, GstH265Picture * picture); static void gst_d3d11_h265_dec_class_init (GstD3D11H265DecClass * klass, gpointer data) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); GstElementClass *element_class = GST_ELEMENT_CLASS (klass); GstVideoDecoderClass *decoder_class = GST_VIDEO_DECODER_CLASS (klass); GstH265DecoderClass *h265decoder_class = GST_H265_DECODER_CLASS (klass); GstD3D11DecoderClassData *cdata = (GstD3D11DecoderClassData *) data; gchar *long_name; gobject_class->get_property = gst_d3d11_h265_dec_get_property; gobject_class->dispose = gst_d3d11_h265_dec_dispose; g_object_class_install_property (gobject_class, PROP_ADAPTER, g_param_spec_uint ("adapter", "Adapter", "DXGI Adapter index for creating device", 0, G_MAXUINT32, cdata->adapter, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_DEVICE_ID, g_param_spec_uint ("device-id", "Device Id", "DXGI Device ID", 0, G_MAXUINT32, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_VENDOR_ID, g_param_spec_uint ("vendor-id", "Vendor Id", "DXGI Vendor ID", 0, G_MAXUINT32, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); parent_class = g_type_class_peek_parent (klass); klass->adapter = cdata->adapter; klass->device_id = cdata->device_id; klass->vendor_id = cdata->vendor_id; element_class->set_context = GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_set_context); long_name = g_strdup_printf ("Direct3D11 H.265 %s Decoder", cdata->description); gst_element_class_set_metadata (element_class, long_name, "Codec/Decoder/Video/Hardware", "A Direct3D11 based H.265 video decoder", "Seungha Yang "); g_free (long_name); 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)); gst_d3d11_decoder_class_data_free (cdata); decoder_class->open = GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_open); decoder_class->close = GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_close); decoder_class->negotiate = GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_negotiate); decoder_class->decide_allocation = GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_decide_allocation); decoder_class->src_query = GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_src_query); h265decoder_class->new_sequence = GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_new_sequence); h265decoder_class->new_picture = GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_new_picture); h265decoder_class->output_picture = GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_output_picture); h265decoder_class->start_picture = GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_start_picture); h265decoder_class->decode_slice = GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_decode_slice); h265decoder_class->end_picture = GST_DEBUG_FUNCPTR (gst_d3d11_h265_dec_end_picture); } static void gst_d3d11_h265_dec_init (GstD3D11H265Dec * self) { self->slice_list = g_array_new (FALSE, TRUE, sizeof (DXVA_Slice_HEVC_Short)); } static void gst_d3d11_h265_dec_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { GstD3D11H265DecClass *klass = GST_D3D11_H265_DEC_GET_CLASS (object); switch (prop_id) { case PROP_ADAPTER: g_value_set_uint (value, klass->adapter); break; case PROP_DEVICE_ID: g_value_set_uint (value, klass->device_id); break; case PROP_VENDOR_ID: g_value_set_uint (value, klass->vendor_id); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_d3d11_h265_dec_dispose (GObject * object) { GstD3D11H265Dec *self = GST_D3D11_H265_DEC (object); if (self->slice_list) { g_array_unref (self->slice_list); self->slice_list = NULL; } G_OBJECT_CLASS (parent_class)->dispose (object); } static void gst_d3d11_h265_dec_set_context (GstElement * element, GstContext * context) { GstD3D11H265Dec *self = GST_D3D11_H265_DEC (element); GstD3D11H265DecClass *klass = GST_D3D11_H265_DEC_GET_CLASS (self); gst_d3d11_handle_set_context (element, context, klass->adapter, &self->device); GST_ELEMENT_CLASS (parent_class)->set_context (element, context); } static gboolean gst_d3d11_h265_dec_open (GstVideoDecoder * decoder) { GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder); GstD3D11H265DecClass *klass = GST_D3D11_H265_DEC_GET_CLASS (self); if (!gst_d3d11_ensure_element_data (GST_ELEMENT_CAST (self), klass->adapter, &self->device)) { GST_ERROR_OBJECT (self, "Cannot create d3d11device"); return FALSE; } self->d3d11_decoder = gst_d3d11_decoder_new (self->device); if (!self->d3d11_decoder) { GST_ERROR_OBJECT (self, "Cannot create d3d11 decoder"); gst_clear_object (&self->device); return FALSE; } return TRUE; } static gboolean gst_d3d11_h265_dec_close (GstVideoDecoder * decoder) { GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder); if (self->output_state) gst_video_codec_state_unref (self->output_state); self->output_state = NULL; gst_clear_object (&self->d3d11_decoder); gst_clear_object (&self->device); return TRUE; } static gboolean gst_d3d11_h265_dec_negotiate (GstVideoDecoder * decoder) { GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder); GstH265Decoder *h265dec = GST_H265_DECODER (decoder); if (!gst_d3d11_decoder_negotiate (decoder, h265dec->input_state, self->out_format, self->width, self->height, &self->output_state, &self->use_d3d11_output)) return FALSE; return GST_VIDEO_DECODER_CLASS (parent_class)->negotiate (decoder); } static gboolean gst_d3d11_h265_dec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query) { GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder); if (!gst_d3d11_decoder_decide_allocation (decoder, query, self->device, GST_D3D11_CODEC_H265, self->use_d3d11_output)) return FALSE; return GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation (decoder, query); } static gboolean gst_d3d11_h265_dec_src_query (GstVideoDecoder * decoder, GstQuery * query) { GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder); switch (GST_QUERY_TYPE (query)) { case GST_QUERY_CONTEXT: if (gst_d3d11_handle_context_query (GST_ELEMENT (decoder), query, self->device)) { return TRUE; } break; default: break; } return GST_VIDEO_DECODER_CLASS (parent_class)->src_query (decoder, query); } static gboolean gst_d3d11_h265_dec_new_sequence (GstH265Decoder * decoder, const GstH265SPS * sps, gint max_dpb_size) { GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder); gint crop_width, crop_height; gboolean modified = FALSE; static const GUID *main_10_guid = &GST_GUID_D3D11_DECODER_PROFILE_HEVC_VLD_MAIN10; static const GUID *main_guid = &GST_GUID_D3D11_DECODER_PROFILE_HEVC_VLD_MAIN; GST_LOG_OBJECT (self, "new sequence"); if (sps->conformance_window_flag) { crop_width = sps->crop_rect_width; crop_height = sps->crop_rect_height; } else { crop_width = sps->width; crop_height = sps->height; } if (self->width != crop_width || self->height != crop_height || self->coded_width != sps->width || self->coded_height != sps->height) { GST_INFO_OBJECT (self, "resolution changed %dx%d (%dx%d)", crop_width, crop_height, sps->width, sps->height); self->width = crop_width; self->height = crop_height; self->coded_width = sps->width; self->coded_height = sps->height; modified = TRUE; } if (self->bitdepth != sps->bit_depth_luma_minus8 + 8) { GST_INFO_OBJECT (self, "bitdepth changed"); self->bitdepth = sps->bit_depth_luma_minus8 + 8; modified = TRUE; } if (self->chroma_format_idc != sps->chroma_format_idc) { GST_INFO_OBJECT (self, "chroma format changed"); self->chroma_format_idc = sps->chroma_format_idc; modified = TRUE; } if (modified || !self->d3d11_decoder->opened) { const GUID *profile_guid = NULL; GstVideoInfo info; self->out_format = GST_VIDEO_FORMAT_UNKNOWN; if (self->bitdepth == 8) { if (self->chroma_format_idc == 1) { self->out_format = GST_VIDEO_FORMAT_NV12; profile_guid = main_guid; } else { GST_FIXME_OBJECT (self, "Could not support 8bits non-4:2:0 format"); } } else if (self->bitdepth == 10) { if (self->chroma_format_idc == 1) { self->out_format = GST_VIDEO_FORMAT_P010_10LE; profile_guid = main_10_guid; } else { GST_FIXME_OBJECT (self, "Could not support 10bits non-4:2:0 format"); } } if (self->out_format == GST_VIDEO_FORMAT_UNKNOWN) { GST_ERROR_OBJECT (self, "Could not support bitdepth/chroma format"); return FALSE; } gst_video_info_set_format (&info, self->out_format, self->width, self->height); gst_d3d11_decoder_reset (self->d3d11_decoder); if (!gst_d3d11_decoder_open (self->d3d11_decoder, GST_D3D11_CODEC_H265, &info, self->coded_width, self->coded_height, /* Additional 4 views margin for zero-copy rendering */ max_dpb_size + 4, &profile_guid, 1)) { GST_ERROR_OBJECT (self, "Failed to create decoder"); return FALSE; } if (!gst_video_decoder_negotiate (GST_VIDEO_DECODER (self))) { GST_ERROR_OBJECT (self, "Failed to negotiate with downstream"); return FALSE; } } return TRUE; } static gboolean gst_d3d11_h265_dec_get_bitstream_buffer (GstD3D11H265Dec * self) { GST_TRACE_OBJECT (self, "Getting bitstream buffer"); if (!gst_d3d11_decoder_get_decoder_buffer (self->d3d11_decoder, D3D11_VIDEO_DECODER_BUFFER_BITSTREAM, &self->remaining_buffer_size, (gpointer *) & self->bitstream_buffer_data)) { GST_ERROR_OBJECT (self, "Faild to get bitstream buffer"); return FALSE; } GST_TRACE_OBJECT (self, "Got bitstream buffer %p with size %d", self->bitstream_buffer_data, self->remaining_buffer_size); self->written_buffer_size = 0; if ((self->remaining_buffer_size & 127) != 0) { GST_WARNING_OBJECT (self, "The size of bitstream buffer is not 128 bytes aligned"); self->bad_aligned_bitstream_buffer = TRUE; } else { self->bad_aligned_bitstream_buffer = FALSE; } return TRUE; } static ID3D11VideoDecoderOutputView * gst_d3d11_h265_dec_get_output_view_from_picture (GstD3D11H265Dec * self, GstH265Picture * picture) { GstBuffer *view_buffer; ID3D11VideoDecoderOutputView *view; view_buffer = (GstBuffer *) gst_h265_picture_get_user_data (picture); if (!view_buffer) { GST_DEBUG_OBJECT (self, "current picture does not have output view buffer"); return NULL; } view = gst_d3d11_decoder_get_output_view_from_buffer (self->d3d11_decoder, view_buffer); if (!view) { GST_DEBUG_OBJECT (self, "current picture does not have output view handle"); return NULL; } return view; } static gint gst_d3d11_h265_dec_get_ref_index (GstD3D11H265Dec * self, gint view_id) { gint i; for (i = 0; i < G_N_ELEMENTS (self->ref_pic_list); i++) { if (self->ref_pic_list[i].Index7Bits == view_id) return i; } return 0xff; } static gboolean gst_d3d11_h265_dec_start_picture (GstH265Decoder * decoder, GstH265Picture * picture, GstH265Slice * slice, GstH265Dpb * dpb) { GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder); ID3D11VideoDecoderOutputView *view; gint i, j; GArray *dpb_array; view = gst_d3d11_h265_dec_get_output_view_from_picture (self, picture); if (!view) { GST_ERROR_OBJECT (self, "current picture does not have output view handle"); return FALSE; } GST_TRACE_OBJECT (self, "Begin frame"); if (!gst_d3d11_decoder_begin_frame (self->d3d11_decoder, view, 0, NULL)) { GST_ERROR_OBJECT (self, "Failed to begin frame"); return FALSE; } for (i = 0; i < 15; i++) { self->ref_pic_list[i].bPicEntry = 0xff; self->pic_order_cnt_val_list[i] = 0; } for (i = 0; i < 8; i++) { self->ref_pic_set_st_curr_before[i] = 0xff; self->ref_pic_set_st_curr_after[i] = 0xff; self->ref_pic_set_lt_curr[i] = 0xff; } dpb_array = gst_h265_dpb_get_pictures_all (dpb); GST_LOG_OBJECT (self, "DPB size %d", dpb_array->len); for (i = 0; i < dpb_array->len && i < G_N_ELEMENTS (self->ref_pic_list); i++) { GstH265Picture *other = g_array_index (dpb_array, GstH265Picture *, i); ID3D11VideoDecoderOutputView *other_view; gint id = 0xff; if (!other->ref) { GST_LOG_OBJECT (self, "%dth picture in dpb is not reference, skip", i); continue; } other_view = gst_d3d11_h265_dec_get_output_view_from_picture (self, other); if (other_view) id = gst_d3d11_decoder_get_output_view_index (other_view); self->ref_pic_list[i].Index7Bits = id; self->ref_pic_list[i].AssociatedFlag = other->long_term; self->pic_order_cnt_val_list[i] = other->pic_order_cnt; } for (i = 0, j = 0; i < G_N_ELEMENTS (self->ref_pic_set_st_curr_before); i++) { GstH265Picture *other = NULL; gint id = 0xff; while (other == NULL && j < decoder->NumPocStCurrBefore) other = decoder->RefPicSetStCurrBefore[j++]; if (other) { ID3D11VideoDecoderOutputView *other_view; other_view = gst_d3d11_h265_dec_get_output_view_from_picture (self, other); if (other_view) { id = gst_d3d11_h265_dec_get_ref_index (self, gst_d3d11_decoder_get_output_view_index (other_view)); } } self->ref_pic_set_st_curr_before[i] = id; } for (i = 0, j = 0; i < G_N_ELEMENTS (self->ref_pic_set_st_curr_after); i++) { GstH265Picture *other = NULL; gint id = 0xff; while (other == NULL && j < decoder->NumPocStCurrAfter) other = decoder->RefPicSetStCurrAfter[j++]; if (other) { ID3D11VideoDecoderOutputView *other_view; other_view = gst_d3d11_h265_dec_get_output_view_from_picture (self, other); if (other_view) { id = gst_d3d11_h265_dec_get_ref_index (self, gst_d3d11_decoder_get_output_view_index (other_view)); } } self->ref_pic_set_st_curr_after[i] = id; } for (i = 0, j = 0; i < G_N_ELEMENTS (self->ref_pic_set_lt_curr); i++) { GstH265Picture *other = NULL; gint id = 0xff; while (other == NULL && j < decoder->NumPocLtCurr) other = decoder->RefPicSetLtCurr[j++]; if (other) { ID3D11VideoDecoderOutputView *other_view; other_view = gst_d3d11_h265_dec_get_output_view_from_picture (self, other); if (other_view) { id = gst_d3d11_h265_dec_get_ref_index (self, gst_d3d11_decoder_get_output_view_index (other_view)); } } self->ref_pic_set_lt_curr[i] = id; } g_array_unref (dpb_array); g_array_set_size (self->slice_list, 0); return gst_d3d11_h265_dec_get_bitstream_buffer (self); } static gboolean gst_d3d11_h265_dec_new_picture (GstH265Decoder * decoder, GstVideoCodecFrame * cframe, GstH265Picture * picture) { GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder); GstBuffer *view_buffer; GstD3D11Memory *mem; view_buffer = gst_d3d11_decoder_get_output_view_buffer (self->d3d11_decoder); if (!view_buffer) { GST_ERROR_OBJECT (self, "No available output view buffer"); return FALSE; } mem = (GstD3D11Memory *) gst_buffer_peek_memory (view_buffer, 0); GST_LOG_OBJECT (self, "New output view buffer %" GST_PTR_FORMAT " (index %d)", view_buffer, mem->subresource_index); gst_h265_picture_set_user_data (picture, view_buffer, (GDestroyNotify) gst_buffer_unref); GST_LOG_OBJECT (self, "New h265picture %p", picture); return TRUE; } static GstFlowReturn gst_d3d11_h265_dec_output_picture (GstH265Decoder * decoder, GstVideoCodecFrame * frame, GstH265Picture * picture) { GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder); GstVideoDecoder *vdec = GST_VIDEO_DECODER (decoder); GstBuffer *output_buffer = NULL; GstBuffer *view_buffer; GST_LOG_OBJECT (self, "Outputting picture %p, poc %d", picture, picture->pic_order_cnt); view_buffer = (GstBuffer *) gst_h265_picture_get_user_data (picture); if (!view_buffer) { GST_ERROR_OBJECT (self, "Could not get output view"); goto error; } /* if downstream is d3d11 element and forward playback case, * expose our decoder view without copy. In case of reverse playback, however, * we cannot do that since baseclass will store the decoded buffer * up to gop size but our dpb pool cannot be increased */ if (self->use_d3d11_output && gst_d3d11_decoder_supports_direct_rendering (self->d3d11_decoder) && GST_VIDEO_DECODER (self)->input_segment.rate > 0) { GstMemory *mem; output_buffer = gst_buffer_ref (view_buffer); mem = gst_buffer_peek_memory (output_buffer, 0); GST_MINI_OBJECT_FLAG_SET (mem, GST_D3D11_MEMORY_TRANSFER_NEED_DOWNLOAD); } else { output_buffer = gst_video_decoder_allocate_output_buffer (GST_VIDEO_DECODER (self)); } if (!output_buffer) { GST_ERROR_OBJECT (self, "Couldn't allocate output buffer"); goto error; } frame->output_buffer = output_buffer; if (!gst_d3d11_decoder_process_output (self->d3d11_decoder, &self->output_state->info, GST_VIDEO_INFO_WIDTH (&self->output_state->info), GST_VIDEO_INFO_HEIGHT (&self->output_state->info), view_buffer, output_buffer)) { GST_ERROR_OBJECT (self, "Failed to copy buffer"); gst_video_decoder_drop_frame (GST_VIDEO_DECODER (self), frame); goto error; } gst_h265_picture_unref (picture); return gst_video_decoder_finish_frame (GST_VIDEO_DECODER (self), frame); error: gst_video_decoder_drop_frame (vdec, frame); gst_h265_picture_unref (picture); return GST_FLOW_ERROR; } static gboolean gst_d3d11_h265_dec_submit_slice_data (GstD3D11H265Dec * self) { guint buffer_size; gpointer buffer; guint8 *data; gsize offset = 0; gint i; D3D11_VIDEO_DECODER_BUFFER_DESC buffer_desc[4] = { 0, }; gboolean ret; guint buffer_count = 0; DXVA_Slice_HEVC_Short *slice_data; if (self->slice_list->len < 1) { GST_WARNING_OBJECT (self, "Nothing to submit"); return FALSE; } slice_data = &g_array_index (self->slice_list, DXVA_Slice_HEVC_Short, self->slice_list->len - 1); /* DXVA2 spec is saying that written bitstream data must be 128 bytes * aligned if the bitstream buffer contains end of slice * (i.e., wBadSliceChopping == 0 or 2) */ if (slice_data->wBadSliceChopping == 0 || slice_data->wBadSliceChopping == 2) { guint padding = MIN (GST_ROUND_UP_128 (self->written_buffer_size) - self->written_buffer_size, self->remaining_buffer_size); if (padding) { GST_TRACE_OBJECT (self, "Written bitstream buffer size %u is not 128 bytes aligned, " "add padding %u bytes", self->written_buffer_size, padding); memset (self->bitstream_buffer_data, 0, padding); self->written_buffer_size += padding; slice_data->SliceBytesInBuffer += padding; } } GST_TRACE_OBJECT (self, "Getting slice control buffer"); if (!gst_d3d11_decoder_get_decoder_buffer (self->d3d11_decoder, D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL, &buffer_size, &buffer)) { GST_ERROR_OBJECT (self, "Couldn't get slice control buffer"); return FALSE; } data = buffer; for (i = 0; i < self->slice_list->len; i++) { slice_data = &g_array_index (self->slice_list, DXVA_Slice_HEVC_Short, i); memcpy (data + offset, slice_data, sizeof (DXVA_Slice_HEVC_Short)); offset += sizeof (DXVA_Slice_HEVC_Short); } GST_TRACE_OBJECT (self, "Release slice control buffer"); if (!gst_d3d11_decoder_release_decoder_buffer (self->d3d11_decoder, D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL)) { GST_ERROR_OBJECT (self, "Failed to release slice control buffer"); return FALSE; } if (!gst_d3d11_decoder_release_decoder_buffer (self->d3d11_decoder, D3D11_VIDEO_DECODER_BUFFER_BITSTREAM)) { GST_ERROR_OBJECT (self, "Failed to release bitstream buffer"); return FALSE; } buffer_desc[buffer_count].BufferType = D3D11_VIDEO_DECODER_BUFFER_PICTURE_PARAMETERS; buffer_desc[buffer_count].DataOffset = 0; buffer_desc[buffer_count].DataSize = sizeof (DXVA_PicParams_HEVC); buffer_count++; if (self->submit_iq_data) { buffer_desc[buffer_count].BufferType = D3D11_VIDEO_DECODER_BUFFER_INVERSE_QUANTIZATION_MATRIX; buffer_desc[buffer_count].DataOffset = 0; buffer_desc[buffer_count].DataSize = sizeof (DXVA_Qmatrix_HEVC); buffer_count++; } buffer_desc[buffer_count].BufferType = D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL; buffer_desc[buffer_count].DataOffset = 0; buffer_desc[buffer_count].DataSize = sizeof (DXVA_Slice_HEVC_Short) * self->slice_list->len; buffer_count++; if (!self->bad_aligned_bitstream_buffer && (self->written_buffer_size & 127) != 0) { GST_WARNING_OBJECT (self, "Written bitstream buffer size %u is not 128 bytes aligned", self->written_buffer_size); } buffer_desc[buffer_count].BufferType = D3D11_VIDEO_DECODER_BUFFER_BITSTREAM; buffer_desc[buffer_count].DataOffset = 0; buffer_desc[buffer_count].DataSize = self->written_buffer_size; buffer_count++; ret = gst_d3d11_decoder_submit_decoder_buffers (self->d3d11_decoder, buffer_count, buffer_desc); self->written_buffer_size = 0; self->bitstream_buffer_data = NULL; self->remaining_buffer_size = 0; g_array_set_size (self->slice_list, 0); return ret; } static gboolean gst_d3d11_h265_dec_end_picture (GstH265Decoder * decoder, GstH265Picture * picture) { GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder); GST_LOG_OBJECT (self, "end picture %p, (poc %d)", picture, picture->pic_order_cnt); if (!gst_d3d11_h265_dec_submit_slice_data (self)) { GST_ERROR_OBJECT (self, "Failed to submit slice data"); return FALSE; } if (!gst_d3d11_decoder_end_frame (self->d3d11_decoder)) { GST_ERROR_OBJECT (self, "Failed to EndFrame"); return FALSE; } return TRUE; } static void gst_d3d11_h265_dec_picture_params_from_sps (GstD3D11H265Dec * self, const GstH265SPS * sps, DXVA_PicParams_HEVC * params) { #define COPY_FIELD(f) \ (params)->f = (sps)->f #define COPY_FIELD_WITH_PREFIX(f) \ (params)->G_PASTE(sps_,f) = (sps)->f params->PicWidthInMinCbsY = sps->width >> (sps->log2_min_luma_coding_block_size_minus3 + 3); params->PicHeightInMinCbsY = sps->height >> (sps->log2_min_luma_coding_block_size_minus3 + 3); params->sps_max_dec_pic_buffering_minus1 = sps->max_dec_pic_buffering_minus1[sps->max_sub_layers_minus1]; COPY_FIELD (chroma_format_idc); COPY_FIELD (separate_colour_plane_flag); COPY_FIELD (bit_depth_luma_minus8); COPY_FIELD (bit_depth_chroma_minus8); COPY_FIELD (log2_max_pic_order_cnt_lsb_minus4); COPY_FIELD (log2_min_luma_coding_block_size_minus3); COPY_FIELD (log2_diff_max_min_luma_coding_block_size); COPY_FIELD (log2_min_transform_block_size_minus2); COPY_FIELD (log2_diff_max_min_transform_block_size); COPY_FIELD (max_transform_hierarchy_depth_inter); COPY_FIELD (max_transform_hierarchy_depth_intra); COPY_FIELD (num_short_term_ref_pic_sets); COPY_FIELD (num_long_term_ref_pics_sps); COPY_FIELD (scaling_list_enabled_flag); COPY_FIELD (amp_enabled_flag); COPY_FIELD (sample_adaptive_offset_enabled_flag); COPY_FIELD (pcm_enabled_flag); if (sps->pcm_enabled_flag) { COPY_FIELD (pcm_sample_bit_depth_luma_minus1); COPY_FIELD (pcm_sample_bit_depth_chroma_minus1); COPY_FIELD (log2_min_pcm_luma_coding_block_size_minus3); COPY_FIELD (log2_diff_max_min_pcm_luma_coding_block_size); } COPY_FIELD (pcm_loop_filter_disabled_flag); COPY_FIELD (long_term_ref_pics_present_flag); COPY_FIELD_WITH_PREFIX (temporal_mvp_enabled_flag); COPY_FIELD (strong_intra_smoothing_enabled_flag); #undef COPY_FIELD #undef COPY_FIELD_WITH_PREFIX } static void gst_d3d11_h265_dec_picture_params_from_pps (GstD3D11H265Dec * self, const GstH265PPS * pps, DXVA_PicParams_HEVC * params) { gint i; #define COPY_FIELD(f) \ (params)->f = (pps)->f #define COPY_FIELD_WITH_PREFIX(f) \ (params)->G_PASTE(pps_,f) = (pps)->f COPY_FIELD (num_ref_idx_l0_default_active_minus1); COPY_FIELD (num_ref_idx_l1_default_active_minus1); COPY_FIELD (init_qp_minus26); COPY_FIELD (dependent_slice_segments_enabled_flag); COPY_FIELD (output_flag_present_flag); COPY_FIELD (num_extra_slice_header_bits); COPY_FIELD (sign_data_hiding_enabled_flag); COPY_FIELD (cabac_init_present_flag); COPY_FIELD (constrained_intra_pred_flag); COPY_FIELD (transform_skip_enabled_flag); COPY_FIELD (cu_qp_delta_enabled_flag); COPY_FIELD_WITH_PREFIX (slice_chroma_qp_offsets_present_flag); COPY_FIELD (weighted_pred_flag); COPY_FIELD (weighted_bipred_flag); COPY_FIELD (transquant_bypass_enabled_flag); COPY_FIELD (tiles_enabled_flag); COPY_FIELD (entropy_coding_sync_enabled_flag); COPY_FIELD (uniform_spacing_flag); if (pps->tiles_enabled_flag) COPY_FIELD (loop_filter_across_tiles_enabled_flag); COPY_FIELD_WITH_PREFIX (loop_filter_across_slices_enabled_flag); COPY_FIELD (deblocking_filter_override_enabled_flag); COPY_FIELD_WITH_PREFIX (deblocking_filter_disabled_flag); COPY_FIELD (lists_modification_present_flag); COPY_FIELD (slice_segment_header_extension_present_flag); COPY_FIELD_WITH_PREFIX (cb_qp_offset); COPY_FIELD_WITH_PREFIX (cr_qp_offset); if (pps->tiles_enabled_flag) { COPY_FIELD (num_tile_columns_minus1); COPY_FIELD (num_tile_rows_minus1); if (!pps->uniform_spacing_flag) { for (i = 0; i < pps->num_tile_columns_minus1 && i < G_N_ELEMENTS (params->column_width_minus1); i++) COPY_FIELD (column_width_minus1[i]); for (i = 0; i < pps->num_tile_rows_minus1 && i < G_N_ELEMENTS (params->row_height_minus1); i++) COPY_FIELD (row_height_minus1[i]); } } COPY_FIELD (diff_cu_qp_delta_depth); COPY_FIELD_WITH_PREFIX (beta_offset_div2); COPY_FIELD_WITH_PREFIX (tc_offset_div2); COPY_FIELD (log2_parallel_merge_level_minus2); #undef COPY_FIELD #undef COPY_FIELD_WITH_PREFIX } static void gst_d3d11_h265_dec_picture_params_from_slice_header (GstD3D11H265Dec * self, const GstH265SliceHdr * slice_header, DXVA_PicParams_HEVC * params) { if (slice_header->short_term_ref_pic_set_sps_flag == 0) { params->ucNumDeltaPocsOfRefRpsIdx = slice_header->short_term_ref_pic_sets.NumDeltaPocsOfRefRpsIdx; params->wNumBitsForShortTermRPSInSlice = slice_header->short_term_ref_pic_set_size; } } static gboolean gst_d3d11_h265_dec_fill_picture_params (GstD3D11H265Dec * self, const GstH265SliceHdr * slice_header, DXVA_PicParams_HEVC * params) { const GstH265SPS *sps; const GstH265PPS *pps; g_return_val_if_fail (slice_header->pps != NULL, FALSE); g_return_val_if_fail (slice_header->pps->sps != NULL, FALSE); pps = slice_header->pps; sps = pps->sps; memset (params, 0, sizeof (DXVA_PicParams_HEVC)); /* not related to hevc syntax */ params->NoPicReorderingFlag = 0; params->NoBiPredFlag = 0; params->ReservedBits1 = 0; params->StatusReportFeedbackNumber = 1; gst_d3d11_h265_dec_picture_params_from_sps (self, sps, params); gst_d3d11_h265_dec_picture_params_from_pps (self, pps, params); gst_d3d11_h265_dec_picture_params_from_slice_header (self, slice_header, params); return TRUE; } #ifndef GST_DISABLE_GST_DEBUG static void gst_d3d11_h265_dec_dump_pic_params (GstD3D11H265Dec * self, DXVA_PicParams_HEVC * params) { gint i; GST_TRACE_OBJECT (self, "Dump current DXVA_PicParams_HEVC"); #define DUMP_PIC_PARAMS(p) \ GST_TRACE_OBJECT (self, "\t" G_STRINGIFY(p) ": %d", (gint)params->p) DUMP_PIC_PARAMS (PicWidthInMinCbsY); DUMP_PIC_PARAMS (PicHeightInMinCbsY); DUMP_PIC_PARAMS (chroma_format_idc); DUMP_PIC_PARAMS (separate_colour_plane_flag); DUMP_PIC_PARAMS (bit_depth_chroma_minus8); DUMP_PIC_PARAMS (NoPicReorderingFlag); DUMP_PIC_PARAMS (NoBiPredFlag); DUMP_PIC_PARAMS (CurrPic.Index7Bits); DUMP_PIC_PARAMS (sps_max_dec_pic_buffering_minus1); DUMP_PIC_PARAMS (log2_min_luma_coding_block_size_minus3); DUMP_PIC_PARAMS (log2_diff_max_min_luma_coding_block_size); DUMP_PIC_PARAMS (log2_min_transform_block_size_minus2); DUMP_PIC_PARAMS (log2_diff_max_min_transform_block_size); DUMP_PIC_PARAMS (max_transform_hierarchy_depth_inter); DUMP_PIC_PARAMS (max_transform_hierarchy_depth_intra); DUMP_PIC_PARAMS (num_short_term_ref_pic_sets); DUMP_PIC_PARAMS (num_long_term_ref_pics_sps); DUMP_PIC_PARAMS (num_ref_idx_l0_default_active_minus1); DUMP_PIC_PARAMS (num_ref_idx_l1_default_active_minus1); DUMP_PIC_PARAMS (init_qp_minus26); DUMP_PIC_PARAMS (ucNumDeltaPocsOfRefRpsIdx); DUMP_PIC_PARAMS (wNumBitsForShortTermRPSInSlice); DUMP_PIC_PARAMS (scaling_list_enabled_flag); DUMP_PIC_PARAMS (amp_enabled_flag); DUMP_PIC_PARAMS (sample_adaptive_offset_enabled_flag); DUMP_PIC_PARAMS (pcm_enabled_flag); DUMP_PIC_PARAMS (pcm_sample_bit_depth_luma_minus1); DUMP_PIC_PARAMS (pcm_sample_bit_depth_chroma_minus1); DUMP_PIC_PARAMS (log2_min_pcm_luma_coding_block_size_minus3); DUMP_PIC_PARAMS (log2_diff_max_min_pcm_luma_coding_block_size); DUMP_PIC_PARAMS (pcm_loop_filter_disabled_flag); DUMP_PIC_PARAMS (long_term_ref_pics_present_flag); DUMP_PIC_PARAMS (sps_temporal_mvp_enabled_flag); DUMP_PIC_PARAMS (strong_intra_smoothing_enabled_flag); DUMP_PIC_PARAMS (dependent_slice_segments_enabled_flag); DUMP_PIC_PARAMS (output_flag_present_flag); DUMP_PIC_PARAMS (num_extra_slice_header_bits); DUMP_PIC_PARAMS (sign_data_hiding_enabled_flag); DUMP_PIC_PARAMS (cabac_init_present_flag); DUMP_PIC_PARAMS (constrained_intra_pred_flag); DUMP_PIC_PARAMS (transform_skip_enabled_flag); DUMP_PIC_PARAMS (cu_qp_delta_enabled_flag); DUMP_PIC_PARAMS (pps_slice_chroma_qp_offsets_present_flag); DUMP_PIC_PARAMS (weighted_pred_flag); DUMP_PIC_PARAMS (weighted_bipred_flag); DUMP_PIC_PARAMS (transquant_bypass_enabled_flag); DUMP_PIC_PARAMS (tiles_enabled_flag); DUMP_PIC_PARAMS (entropy_coding_sync_enabled_flag); DUMP_PIC_PARAMS (uniform_spacing_flag); DUMP_PIC_PARAMS (loop_filter_across_tiles_enabled_flag); DUMP_PIC_PARAMS (pps_loop_filter_across_slices_enabled_flag); DUMP_PIC_PARAMS (deblocking_filter_override_enabled_flag); DUMP_PIC_PARAMS (pps_deblocking_filter_disabled_flag); DUMP_PIC_PARAMS (lists_modification_present_flag); DUMP_PIC_PARAMS (IrapPicFlag); DUMP_PIC_PARAMS (IdrPicFlag); DUMP_PIC_PARAMS (IntraPicFlag); DUMP_PIC_PARAMS (pps_cb_qp_offset); DUMP_PIC_PARAMS (pps_cr_qp_offset); DUMP_PIC_PARAMS (num_tile_columns_minus1); DUMP_PIC_PARAMS (num_tile_rows_minus1); for (i = 0; i < G_N_ELEMENTS (params->column_width_minus1); i++) GST_TRACE_OBJECT (self, "\tcolumn_width_minus1[%d]: %d", i, params->column_width_minus1[i]); for (i = 0; i < G_N_ELEMENTS (params->row_height_minus1); i++) GST_TRACE_OBJECT (self, "\trow_height_minus1[%d]: %d", i, params->row_height_minus1[i]); DUMP_PIC_PARAMS (diff_cu_qp_delta_depth); DUMP_PIC_PARAMS (pps_beta_offset_div2); DUMP_PIC_PARAMS (pps_tc_offset_div2); DUMP_PIC_PARAMS (log2_parallel_merge_level_minus2); DUMP_PIC_PARAMS (CurrPicOrderCntVal); for (i = 0; i < G_N_ELEMENTS (params->RefPicList); i++) { GST_TRACE_OBJECT (self, "\tRefPicList[%d].Index7Bits: %d", i, params->RefPicList[i].Index7Bits); GST_TRACE_OBJECT (self, "\tRefPicList[%d].AssociatedFlag: %d", i, params->RefPicList[i].AssociatedFlag); GST_TRACE_OBJECT (self, "\tPicOrderCntValList[%d]: %d", i, params->PicOrderCntValList[i]); } for (i = 0; i < G_N_ELEMENTS (params->RefPicSetStCurrBefore); i++) { GST_TRACE_OBJECT (self, "\tRefPicSetStCurrBefore[%d]: %d", i, params->RefPicSetStCurrBefore[i]); GST_TRACE_OBJECT (self, "\tRefPicSetStCurrAfter[%d]: %d", i, params->RefPicSetStCurrAfter[i]); GST_TRACE_OBJECT (self, "\tRefPicSetLtCurr[%d]: %d", i, params->RefPicSetLtCurr[i]); } #undef DUMP_PIC_PARAMS } #endif static gboolean gst_d3d11_h265_dec_decode_slice (GstH265Decoder * decoder, GstH265Picture * picture, GstH265Slice * slice, GArray * ref_pic_list0, GArray * ref_pic_list1) { GstD3D11H265Dec *self = GST_D3D11_H265_DEC (decoder); GstH265SPS *sps; GstH265PPS *pps; DXVA_PicParams_HEVC pic_params = { 0, }; DXVA_Qmatrix_HEVC iq_matrix = { 0, }; guint d3d11_buffer_size = 0; gpointer d3d11_buffer = NULL; gint i; ID3D11VideoDecoderOutputView *view; GstH265ScalingList *scaling_list = NULL; pps = slice->header.pps; sps = pps->sps; view = gst_d3d11_h265_dec_get_output_view_from_picture (self, picture); if (!view) { GST_ERROR_OBJECT (self, "current picture does not have output view"); return FALSE; } gst_d3d11_h265_dec_fill_picture_params (self, &slice->header, &pic_params); pic_params.CurrPic.Index7Bits = gst_d3d11_decoder_get_output_view_index (view); pic_params.IrapPicFlag = GST_H265_IS_NAL_TYPE_IRAP (slice->nalu.type); pic_params.IdrPicFlag = GST_H265_IS_NAL_TYPE_IDR (slice->nalu.type); pic_params.IntraPicFlag = GST_H265_IS_NAL_TYPE_IRAP (slice->nalu.type); pic_params.CurrPicOrderCntVal = picture->pic_order_cnt; memcpy (pic_params.RefPicList, self->ref_pic_list, sizeof (pic_params.RefPicList)); memcpy (pic_params.PicOrderCntValList, self->pic_order_cnt_val_list, sizeof (pic_params.PicOrderCntValList)); memcpy (pic_params.RefPicSetStCurrBefore, self->ref_pic_set_st_curr_before, sizeof (pic_params.RefPicSetStCurrBefore)); memcpy (pic_params.RefPicSetStCurrAfter, self->ref_pic_set_st_curr_after, sizeof (pic_params.RefPicSetStCurrAfter)); memcpy (pic_params.RefPicSetLtCurr, self->ref_pic_set_lt_curr, sizeof (pic_params.RefPicSetLtCurr)); #ifndef GST_DISABLE_GST_DEBUG gst_d3d11_h265_dec_dump_pic_params (self, &pic_params); #endif GST_TRACE_OBJECT (self, "Getting picture param decoder buffer"); if (!gst_d3d11_decoder_get_decoder_buffer (self->d3d11_decoder, D3D11_VIDEO_DECODER_BUFFER_PICTURE_PARAMETERS, &d3d11_buffer_size, &d3d11_buffer)) { GST_ERROR_OBJECT (self, "Failed to get decoder buffer for picture parameters"); return FALSE; } memcpy (d3d11_buffer, &pic_params, sizeof (pic_params)); GST_TRACE_OBJECT (self, "Release picture param decoder buffer"); if (!gst_d3d11_decoder_release_decoder_buffer (self->d3d11_decoder, D3D11_VIDEO_DECODER_BUFFER_PICTURE_PARAMETERS)) { GST_ERROR_OBJECT (self, "Failed to release decoder buffer"); return FALSE; } if (pps->scaling_list_data_present_flag || (sps->scaling_list_enabled_flag && !sps->scaling_list_data_present_flag)) { scaling_list = &pps->scaling_list; } else if (sps->scaling_list_enabled_flag && sps->scaling_list_data_present_flag) { scaling_list = &sps->scaling_list; } if (scaling_list) { self->submit_iq_data = TRUE; memcpy (iq_matrix.ucScalingLists0, scaling_list->scaling_lists_4x4, sizeof (iq_matrix.ucScalingLists0)); memcpy (iq_matrix.ucScalingLists1, scaling_list->scaling_lists_8x8, sizeof (iq_matrix.ucScalingLists1)); memcpy (iq_matrix.ucScalingLists2, scaling_list->scaling_lists_16x16, sizeof (iq_matrix.ucScalingLists2)); memcpy (iq_matrix.ucScalingLists3, scaling_list->scaling_lists_32x32, sizeof (iq_matrix.ucScalingLists3)); for (i = 0; i < 6; i++) iq_matrix.ucScalingListDCCoefSizeID2[i] = scaling_list->scaling_list_dc_coef_minus8_16x16[i] + 8; for (i = 0; i < 2; i++) iq_matrix.ucScalingListDCCoefSizeID3[i] = scaling_list->scaling_list_dc_coef_minus8_32x32[i] + 8; GST_TRACE_OBJECT (self, "Getting inverse quantization maxtirx buffer"); if (!gst_d3d11_decoder_get_decoder_buffer (self->d3d11_decoder, D3D11_VIDEO_DECODER_BUFFER_INVERSE_QUANTIZATION_MATRIX, &d3d11_buffer_size, &d3d11_buffer)) { GST_ERROR_OBJECT (self, "Failed to get decoder buffer for inv. quantization matrix"); return FALSE; } memcpy (d3d11_buffer, &iq_matrix, sizeof (iq_matrix)); GST_TRACE_OBJECT (self, "Release inverse quantization maxtirx buffer"); if (!gst_d3d11_decoder_release_decoder_buffer (self->d3d11_decoder, D3D11_VIDEO_DECODER_BUFFER_INVERSE_QUANTIZATION_MATRIX)) { GST_ERROR_OBJECT (self, "Failed to release decoder buffer"); return FALSE; } } else { self->submit_iq_data = FALSE; } { guint to_write = slice->nalu.size + 3; gboolean is_first = TRUE; while (to_write > 0) { guint bytes_to_copy; gboolean is_last = TRUE; DXVA_Slice_HEVC_Short slice_short = { 0, }; if (self->remaining_buffer_size < to_write && self->slice_list->len > 0) { if (!gst_d3d11_h265_dec_submit_slice_data (self)) { GST_ERROR_OBJECT (self, "Failed to submit bitstream buffers"); return FALSE; } if (!gst_d3d11_h265_dec_get_bitstream_buffer (self)) { GST_ERROR_OBJECT (self, "Failed to get bitstream buffer"); return FALSE; } } /* remaining_buffer_size: the size of remaining d3d11 decoder * bitstream memory allowed to write more * written_buffer_size: the size of written bytes to this d3d11 decoder * bitstream memory * bytes_to_copy: the size of which we would write to d3d11 decoder * bitstream memory in this loop */ bytes_to_copy = to_write; if (bytes_to_copy > self->remaining_buffer_size) { /* if the size of this slice is larger than the size of remaining d3d11 * decoder bitstream memory, write the data up to the remaining d3d11 * decoder bitstream memory size and the rest would be written to the * next d3d11 bitstream memory */ bytes_to_copy = self->remaining_buffer_size; is_last = FALSE; } if (bytes_to_copy >= 3 && is_first) { /* normal case */ self->bitstream_buffer_data[0] = 0; self->bitstream_buffer_data[1] = 0; self->bitstream_buffer_data[2] = 1; memcpy (self->bitstream_buffer_data + 3, slice->nalu.data + slice->nalu.offset, bytes_to_copy - 3); } else { /* when this nal unit date is splitted into two buffer */ memcpy (self->bitstream_buffer_data, slice->nalu.data + slice->nalu.offset, bytes_to_copy); } /* For wBadSliceChopping value 0 or 1, BSNALunitDataLocation means * the offset of the first start code of this slice in this d3d11 * memory buffer. * 1) If this is the first slice of picture, it should be zero * since we write start code at offset 0 (written size before this * slice also must be zero). * 2) If this is not the first slice of picture but this is the first * d3d11 bitstream buffer (meaning that one bitstream buffer contains * multiple slices), then this is the written size of buffer * excluding this loop. * And for wBadSliceChopping value 2 or 3, this should be zero by spec */ if (is_first) slice_short.BSNALunitDataLocation = self->written_buffer_size; else slice_short.BSNALunitDataLocation = 0; slice_short.SliceBytesInBuffer = bytes_to_copy; /* wBadSliceChopping: (dxva h265 spec.) * 0: All bits for the slice are located within the corresponding * bitstream data buffer * 1: The bitstream data buffer contains the start of the slice, * but not the entire slice, because the buffer is full * 2: The bitstream data buffer contains the end of the slice. * It does not contain the start of the slice, because the start of * the slice was located in the previous bitstream data buffer. * 3: The bitstream data buffer does not contain the start of the slice * (because the start of the slice was located in the previous * bitstream data buffer), and it does not contain the end of the slice * (because the current bitstream data buffer is also full). */ if (is_last && is_first) { slice_short.wBadSliceChopping = 0; } else if (!is_last && is_first) { slice_short.wBadSliceChopping = 1; } else if (is_last && !is_first) { slice_short.wBadSliceChopping = 2; } else { slice_short.wBadSliceChopping = 3; } g_array_append_val (self->slice_list, slice_short); self->remaining_buffer_size -= bytes_to_copy; self->written_buffer_size += bytes_to_copy; self->bitstream_buffer_data += bytes_to_copy; is_first = FALSE; to_write -= bytes_to_copy; } } return TRUE; } typedef struct { guint width; guint height; } GstD3D11H265DecResolution; void gst_d3d11_h265_dec_register (GstPlugin * plugin, GstD3D11Device * device, GstD3D11Decoder * decoder, guint rank) { GType type; gchar *type_name; gchar *feature_name; guint index = 0; guint i; GUID profile; GTypeInfo type_info = { sizeof (GstD3D11H265DecClass), NULL, NULL, (GClassInitFunc) gst_d3d11_h265_dec_class_init, NULL, NULL, sizeof (GstD3D11H265Dec), 0, (GInstanceInitFunc) gst_d3d11_h265_dec_init, }; static const GUID *main_10_guid = &GST_GUID_D3D11_DECODER_PROFILE_HEVC_VLD_MAIN10; static const GUID *main_guid = &GST_GUID_D3D11_DECODER_PROFILE_HEVC_VLD_MAIN; /* values were taken from chromium. * Note that since chromium does not support hevc decoding, this list is * the combination of lists for avc and vp9. * See supported_profile_helper.cc */ GstD3D11H265DecResolution resolutions_to_check[] = { {1920, 1088}, {2560, 1440}, {3840, 2160}, {4096, 2160}, {4096, 2304}, {7680, 4320}, {8192, 4320}, {8192, 8192} }; GstCaps *sink_caps = NULL; GstCaps *src_caps = NULL; guint max_width = 0; guint max_height = 0; guint resolution; gboolean have_main10 = FALSE; gboolean have_main = FALSE; DXGI_FORMAT format = DXGI_FORMAT_UNKNOWN; have_main10 = gst_d3d11_decoder_get_supported_decoder_profile (decoder, &main_10_guid, 1, &profile); if (!have_main10) { GST_DEBUG_OBJECT (device, "decoder does not support HEVC_VLD_MAIN10"); } else { have_main10 &= gst_d3d11_decoder_supports_format (decoder, &profile, DXGI_FORMAT_P010); if (!have_main10) { GST_FIXME_OBJECT (device, "device does not support P010 format"); } } have_main = gst_d3d11_decoder_get_supported_decoder_profile (decoder, &main_guid, 1, &profile); if (!have_main) { GST_DEBUG_OBJECT (device, "decoder does not support HEVC_VLD_MAIN"); } else { have_main = gst_d3d11_decoder_supports_format (decoder, &profile, DXGI_FORMAT_NV12); if (!have_main) { GST_FIXME_OBJECT (device, "device does not support NV12 format"); } } if (!have_main10 && !have_main) { GST_INFO_OBJECT (device, "device does not support h.265 decoding"); return; } if (have_main) { profile = *main_guid; format = DXGI_FORMAT_NV12; } else { profile = *main_10_guid; format = DXGI_FORMAT_P010; } for (i = 0; i < G_N_ELEMENTS (resolutions_to_check); i++) { if (gst_d3d11_decoder_supports_resolution (decoder, &profile, format, resolutions_to_check[i].width, resolutions_to_check[i].height)) { max_width = resolutions_to_check[i].width; max_height = resolutions_to_check[i].height; GST_DEBUG_OBJECT (device, "device support resolution %dx%d", max_width, max_height); } else { break; } } if (max_width == 0 || max_height == 0) { GST_WARNING_OBJECT (device, "Couldn't query supported resolution"); return; } sink_caps = gst_caps_from_string ("video/x-h265, " "stream-format=(string) { hev1, hvc1, byte-stream }, " "alignment= (string) au"); src_caps = gst_caps_from_string ("video/x-raw(" GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY "); video/x-raw"); if (have_main10) { /* main10 profile covers main and main10 */ GValue profile_list = G_VALUE_INIT; GValue profile_value = G_VALUE_INIT; GValue format_list = G_VALUE_INIT; GValue format_value = G_VALUE_INIT; g_value_init (&profile_list, GST_TYPE_LIST); g_value_init (&profile_value, G_TYPE_STRING); g_value_set_string (&profile_value, "main"); gst_value_list_append_and_take_value (&profile_list, &profile_value); g_value_init (&profile_value, G_TYPE_STRING); g_value_set_string (&profile_value, "main-10"); gst_value_list_append_and_take_value (&profile_list, &profile_value); g_value_init (&format_list, GST_TYPE_LIST); g_value_init (&format_value, G_TYPE_STRING); g_value_set_string (&format_value, "NV12"); gst_value_list_append_and_take_value (&format_list, &format_value); g_value_init (&format_value, G_TYPE_STRING); g_value_set_string (&format_value, "P010_10LE"); gst_value_list_append_and_take_value (&format_list, &format_value); gst_caps_set_value (sink_caps, "profile", &profile_list); gst_caps_set_value (src_caps, "format", &format_list); g_value_unset (&profile_list); g_value_unset (&format_list); } else { gst_caps_set_simple (sink_caps, "profile", G_TYPE_STRING, "main", NULL); gst_caps_set_simple (src_caps, "format", G_TYPE_STRING, "NV12", NULL); } /* To cover both landscape and portrait, select max value */ resolution = MAX (max_width, max_height); gst_caps_set_simple (sink_caps, "width", GST_TYPE_INT_RANGE, 64, resolution, "height", GST_TYPE_INT_RANGE, 64, resolution, NULL); gst_caps_set_simple (src_caps, "width", GST_TYPE_INT_RANGE, 64, resolution, "height", GST_TYPE_INT_RANGE, 64, resolution, NULL); type_info.class_data = gst_d3d11_decoder_class_data_new (device, sink_caps, src_caps); type_name = g_strdup ("GstD3D11H265Dec"); feature_name = g_strdup ("d3d11h265dec"); while (g_type_from_name (type_name)) { index++; g_free (type_name); g_free (feature_name); type_name = g_strdup_printf ("GstD3D11H265Device%dDec", index); feature_name = g_strdup_printf ("d3d11h265device%ddec", index); } type = g_type_register_static (GST_TYPE_H265_DECODER, type_name, &type_info, 0); /* make lower rank than default device */ 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); }