/* 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. * * NOTE: some of implementations are copied/modified from Chromium code * * Copyright 2015 The Chromium Authors. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifdef HAVE_CONFIG_H #include #endif #include "gstd3d11h264dec.h" #include "gstd3d11memory.h" #include "gstd3d11bufferpool.h" #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_h264_dec_debug); #define GST_CAT_DEFAULT gst_d3d11_h264_dec_debug enum { PROP_0, PROP_ADAPTER }; #define DEFAULT_ADAPTER -1 /* copied from d3d11.h since mingw header doesn't define them */ DEFINE_GUID (GST_GUID_D3D11_DECODER_PROFILE_H264_IDCT_FGT, 0x1b81be67, 0xa0c7, 0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5); DEFINE_GUID (GST_GUID_D3D11_DECODER_PROFILE_H264_VLD_NOFGT, 0x1b81be68, 0xa0c7, 0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5); DEFINE_GUID (GST_GUID_D3D11_DECODER_PROFILE_H264_VLD_FGT, 0x1b81be69, 0xa0c7, 0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5); /* worst case 16 (non-interlaced) + 4 margin */ #define NUM_OUTPUT_VIEW 20 static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE (GST_VIDEO_DECODER_SINK_NAME, GST_PAD_SINK, GST_PAD_ALWAYS, GST_STATIC_CAPS ("video/x-h264, " "stream-format=(string) { avc, avc3, byte-stream }, " "alignment=(string) au, profile = (string) { high, main }") ); static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE (GST_VIDEO_DECODER_SRC_NAME, GST_PAD_SRC, GST_PAD_ALWAYS, GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, "{ NV12, P010_10LE }") "; " GST_VIDEO_CAPS_MAKE ("{ NV12, P010_10LE }"))); struct _GstD3D11H264DecPrivate { /* Need to hide DXVA_PicEntry_H264 structure from header for UWP */ DXVA_PicEntry_H264 ref_frame_list[16]; INT field_order_cnt_list[16][2]; USHORT frame_num_list[16]; UINT used_for_reference_flags; USHORT non_existing_frame_flags; }; #define parent_class gst_d3d11_h264_dec_parent_class G_DEFINE_TYPE_WITH_PRIVATE (GstD3D11H264Dec, gst_d3d11_h264_dec, GST_TYPE_H264_DECODER); static void gst_d3d11_h264_dec_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec); static void gst_d3d11_h264_dec_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); static void gst_d3d11_h264_dec_dispose (GObject * object); static void gst_d3d11_h264_dec_set_context (GstElement * element, GstContext * context); static gboolean gst_d3d11_h264_dec_open (GstVideoDecoder * decoder); static gboolean gst_d3d11_h264_dec_close (GstVideoDecoder * decoder); static gboolean gst_d3d11_h264_dec_start (GstVideoDecoder * decoder); static gboolean gst_d3d11_h264_dec_stop (GstVideoDecoder * decoder); static GstFlowReturn gst_d3d11_h264_dec_handle_frame (GstVideoDecoder * decoder, GstVideoCodecFrame * frame); static gboolean gst_d3d11_h264_dec_negotiate (GstVideoDecoder * decoder); static gboolean gst_d3d11_h264_dec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query); static gboolean gst_d3d11_h264_dec_src_query (GstVideoDecoder * decoder, GstQuery * query); /* GstH264Decoder */ static gboolean gst_d3d11_h264_dec_new_sequence (GstH264Decoder * decoder, const GstH264SPS * sps); static gboolean gst_d3d11_h264_dec_new_picture (GstH264Decoder * decoder, GstH264Picture * picture); static GstFlowReturn gst_d3d11_h264_dec_output_picture (GstH264Decoder * decoder, GstH264Picture * picture); static gboolean gst_d3d11_h264_dec_start_picture (GstH264Decoder * decoder, GstH264Picture * picture, GstH264Slice * slice, GstH264Dpb * dpb); static gboolean gst_d3d11_h264_dec_decode_slice (GstH264Decoder * decoder, GstH264Picture * picture, GstH264Slice * slice); static gboolean gst_d3d11_h264_dec_end_picture (GstH264Decoder * decoder, GstH264Picture * picture); static void gst_d3d11_h264_dec_class_init (GstD3D11H264DecClass * klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); GstElementClass *element_class = GST_ELEMENT_CLASS (klass); GstVideoDecoderClass *decoder_class = GST_VIDEO_DECODER_CLASS (klass); GstH264DecoderClass *h264decoder_class = GST_H264_DECODER_CLASS (klass); gobject_class->set_property = gst_d3d11_h264_dec_set_property; gobject_class->get_property = gst_d3d11_h264_dec_get_property; gobject_class->dispose = gst_d3d11_h264_dec_dispose; g_object_class_install_property (gobject_class, PROP_ADAPTER, g_param_spec_int ("adapter", "Adapter", "Adapter index for creating device (-1 for default)", -1, G_MAXINT32, DEFAULT_ADAPTER, G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY | G_PARAM_STATIC_STRINGS)); element_class->set_context = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_set_context); gst_element_class_set_static_metadata (element_class, "Direct3D11 H.264 Video Decoder", "Codec/Decoder/Video/Hardware", "A Direct3D11 based H.264 video decoder", "Seungha Yang "); gst_element_class_add_static_pad_template (element_class, &sink_template); gst_element_class_add_static_pad_template (element_class, &src_template); decoder_class->open = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_open); decoder_class->close = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_close); decoder_class->start = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_start); decoder_class->stop = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_stop); decoder_class->handle_frame = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_handle_frame); decoder_class->negotiate = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_negotiate); decoder_class->decide_allocation = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_decide_allocation); decoder_class->src_query = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_src_query); h264decoder_class->new_sequence = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_new_sequence); h264decoder_class->new_picture = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_new_picture); h264decoder_class->output_picture = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_output_picture); h264decoder_class->start_picture = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_start_picture); h264decoder_class->decode_slice = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_decode_slice); h264decoder_class->end_picture = GST_DEBUG_FUNCPTR (gst_d3d11_h264_dec_end_picture); } static void gst_d3d11_h264_dec_init (GstD3D11H264Dec * self) { self->priv = gst_d3d11_h264_dec_get_instance_private (self); self->slice_list = g_array_new (FALSE, TRUE, sizeof (DXVA_Slice_H264_Short)); self->adapter = DEFAULT_ADAPTER; } static void gst_d3d11_h264_dec_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { GstD3D11H264Dec *self = GST_D3D11_H264_DEC (object); switch (prop_id) { case PROP_ADAPTER: self->adapter = g_value_get_int (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_d3d11_h264_dec_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { GstD3D11H264Dec *self = GST_D3D11_H264_DEC (object); switch (prop_id) { case PROP_ADAPTER: g_value_set_int (value, self->adapter); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_d3d11_h264_dec_dispose (GObject * object) { GstD3D11H264Dec *self = GST_D3D11_H264_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_h264_dec_set_context (GstElement * element, GstContext * context) { GstD3D11H264Dec *self = GST_D3D11_H264_DEC (element); gst_d3d11_handle_set_context (element, context, self->adapter, &self->device); GST_ELEMENT_CLASS (parent_class)->set_context (element, context); } static gboolean gst_d3d11_h264_dec_open (GstVideoDecoder * decoder) { GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder); if (!gst_d3d11_ensure_element_data (GST_ELEMENT_CAST (self), self->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_h264_dec_close (GstVideoDecoder * decoder) { GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder); gst_clear_object (&self->d3d11_decoder); gst_clear_object (&self->device); return TRUE; } static gboolean gst_d3d11_h264_dec_start (GstVideoDecoder * decoder) { return GST_VIDEO_DECODER_CLASS (parent_class)->start (decoder); } static gboolean gst_d3d11_h264_dec_stop (GstVideoDecoder * decoder) { GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder); gst_h264_picture_replace (&self->current_picture, NULL); if (self->output_state) gst_video_codec_state_unref (self->output_state); self->output_state = NULL; return GST_VIDEO_DECODER_CLASS (parent_class)->stop (decoder); } static GstFlowReturn gst_d3d11_h264_dec_handle_frame (GstVideoDecoder * decoder, GstVideoCodecFrame * frame) { GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder); GstBuffer *in_buf = frame->input_buffer; GST_LOG_OBJECT (self, "handle frame, PTS: %" GST_TIME_FORMAT ", DTS: %" GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_PTS (in_buf)), GST_TIME_ARGS (GST_BUFFER_DTS (in_buf))); if (!self->current_picture) { GST_ERROR_OBJECT (self, "No current picture"); gst_video_decoder_drop_frame (decoder, frame); return GST_FLOW_ERROR; } gst_video_codec_frame_set_user_data (frame, self->current_picture, (GDestroyNotify) gst_h264_picture_unref); self->current_picture = NULL; gst_video_codec_frame_unref (frame); return GST_FLOW_OK; } static gboolean gst_d3d11_h264_dec_negotiate (GstVideoDecoder * decoder) { GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder); GstH264Decoder *h264dec = GST_H264_DECODER (decoder); GstCaps *peer_caps; GST_DEBUG_OBJECT (self, "negotiate"); if (self->output_state) gst_video_codec_state_unref (self->output_state); self->output_state = gst_video_decoder_set_output_state (GST_VIDEO_DECODER (self), self->out_format, self->width, self->height, h264dec->input_state); self->output_state->caps = gst_video_info_to_caps (&self->output_state->info); peer_caps = gst_pad_get_allowed_caps (GST_VIDEO_DECODER_SRC_PAD (self)); GST_DEBUG_OBJECT (self, "Allowed caps %" GST_PTR_FORMAT, peer_caps); self->use_d3d11_output = FALSE; if (!peer_caps || gst_caps_is_any (peer_caps)) { GST_DEBUG_OBJECT (self, "cannot determine output format, use system memory"); } else { GstCapsFeatures *features; guint size = gst_caps_get_size (peer_caps); guint i; for (i = 0; i < size; i++) { features = gst_caps_get_features (peer_caps, i); if (features && gst_caps_features_contains (features, GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY)) { GST_DEBUG_OBJECT (self, "found D3D11 memory feature"); gst_caps_set_features (self->output_state->caps, 0, gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, NULL)); self->use_d3d11_output = TRUE; break; } } } gst_clear_caps (&peer_caps); return GST_VIDEO_DECODER_CLASS (parent_class)->negotiate (decoder); } static gboolean gst_d3d11_h264_dec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query) { GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder); GstCaps *outcaps; GstBufferPool *pool = NULL; guint n, size, min, max; GstVideoInfo vinfo = { 0, }; GstStructure *config; GstD3D11AllocationParams *d3d11_params; GST_DEBUG_OBJECT (self, "decide allocation"); gst_query_parse_allocation (query, &outcaps, NULL); if (!outcaps) { GST_DEBUG_OBJECT (self, "No output caps"); return FALSE; } gst_video_info_from_caps (&vinfo, outcaps); n = gst_query_get_n_allocation_pools (query); if (n > 0) gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max); /* create our own pool */ if (pool && (self->use_d3d11_output && !GST_D3D11_BUFFER_POOL (pool))) { gst_object_unref (pool); pool = NULL; } if (!pool) { if (self->use_d3d11_output) pool = gst_d3d11_buffer_pool_new (self->device); else pool = gst_video_buffer_pool_new (); min = max = 0; size = (guint) vinfo.size; } config = gst_buffer_pool_get_config (pool); gst_buffer_pool_config_set_params (config, outcaps, size, min, max); gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META); if (self->use_d3d11_output) { d3d11_params = gst_buffer_pool_config_get_d3d11_allocation_params (config); if (!d3d11_params) d3d11_params = gst_d3d11_allocation_params_new (&vinfo, 0, D3D11_USAGE_DEFAULT, 0); /* dxva2 decoder uses non-resource format * (e.g., use NV12 instead of R8 + R8G8 */ d3d11_params->desc[0].Width = GST_VIDEO_INFO_WIDTH (&vinfo); d3d11_params->desc[0].Height = GST_VIDEO_INFO_HEIGHT (&vinfo); d3d11_params->desc[0].Format = d3d11_params->d3d11_format->dxgi_format; d3d11_params->flags &= ~GST_D3D11_ALLOCATION_FLAG_USE_RESOURCE_FORMAT; gst_buffer_pool_config_set_d3d11_allocation_params (config, d3d11_params); gst_d3d11_allocation_params_free (d3d11_params); } gst_buffer_pool_set_config (pool, config); if (self->use_d3d11_output) size = GST_D3D11_BUFFER_POOL (pool)->buffer_size; if (n > 0) gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max); else gst_query_add_allocation_pool (query, pool, size, min, max); gst_object_unref (pool); return GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation (decoder, query); } static gboolean gst_d3d11_h264_dec_src_query (GstVideoDecoder * decoder, GstQuery * query) { GstD3D11H264Dec *self = GST_D3D11_H264_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_h264_dec_new_sequence (GstH264Decoder * decoder, const GstH264SPS * sps) { GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder); gint crop_width, crop_height; gboolean modified = FALSE; static const GUID *supported_profiles[] = { &GST_GUID_D3D11_DECODER_PROFILE_H264_IDCT_FGT, &GST_GUID_D3D11_DECODER_PROFILE_H264_VLD_NOFGT, &GST_GUID_D3D11_DECODER_PROFILE_H264_VLD_FGT }; GST_LOG_OBJECT (self, "new sequence"); if (sps->frame_cropping_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", crop_width, crop_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) { 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; 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; 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; } /* allocated internal pool with coded width/height */ gst_video_info_set_format (&info, self->out_format, self->coded_width, self->coded_height); gst_d3d11_decoder_reset (self->d3d11_decoder); if (!gst_d3d11_decoder_open (self->d3d11_decoder, GST_D3D11_CODEC_H264, &info, NUM_OUTPUT_VIEW, supported_profiles, G_N_ELEMENTS (supported_profiles))) { 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_h264_dec_get_bitstream_buffer (GstD3D11H264Dec * self) { GST_TRACE_OBJECT (self, "Getting bitstream buffer"); if (!gst_d3d11_decoder_get_decoder_buffer (self->d3d11_decoder, D3D11_VIDEO_DECODER_BUFFER_BITSTREAM, &self->bitstream_buffer_size, (gpointer *) & self->bitstream_buffer_bytes)) { 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_bytes, self->bitstream_buffer_size); self->current_offset = 0; return TRUE; } static GstD3D11DecoderOutputView * gst_d3d11_h264_dec_get_output_view_from_picture (GstD3D11H264Dec * self, GstH264Picture * picture) { GstBuffer *view_buffer; GstD3D11DecoderOutputView *view; view_buffer = (GstBuffer *) gst_h264_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 gboolean gst_d3d11_h264_dec_start_picture (GstH264Decoder * decoder, GstH264Picture * picture, GstH264Slice * slice, GstH264Dpb * dpb) { GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder); GstD3D11H264DecPrivate *priv = self->priv; GstD3D11DecoderOutputView *view; gint i; GArray *dpb_array; view = gst_d3d11_h264_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 < 16; i++) { priv->ref_frame_list[i].bPicEntry = 0xFF; priv->field_order_cnt_list[i][0] = 0; priv->field_order_cnt_list[i][1] = 0; priv->frame_num_list[i] = 0; } priv->used_for_reference_flags = 0; priv->non_existing_frame_flags = 0; dpb_array = gst_h264_dpb_get_pictures_all (dpb); for (i = 0; i < dpb_array->len; i++) { guint ref = 3; GstH264Picture *other = g_array_index (dpb_array, GstH264Picture *, i); GstD3D11DecoderOutputView *other_view; gint id = 0xff; if (!other->ref) continue; other_view = gst_d3d11_h264_dec_get_output_view_from_picture (self, other); if (other_view) id = other_view->view_id; priv->ref_frame_list[i].Index7Bits = id; priv->ref_frame_list[i].AssociatedFlag = other->long_term; priv->field_order_cnt_list[i][0] = other->top_field_order_cnt; priv->field_order_cnt_list[i][1] = other->bottom_field_order_cnt; priv->frame_num_list[i] = priv->ref_frame_list[i].AssociatedFlag ? other->long_term_pic_num : other->frame_num; priv->used_for_reference_flags |= ref << (2 * i); priv->non_existing_frame_flags |= (other->nonexisting) << i; } g_array_unref (dpb_array); g_array_set_size (self->slice_list, 0); return gst_d3d11_h264_dec_get_bitstream_buffer (self); } static gboolean gst_d3d11_h264_dec_new_picture (GstH264Decoder * decoder, GstH264Picture * picture) { GstD3D11H264Dec *self = GST_D3D11_H264_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_h264_picture_set_user_data (picture, view_buffer, (GDestroyNotify) gst_buffer_unref); GST_LOG_OBJECT (self, "New h264picture %p", picture); gst_h264_picture_replace (&self->current_picture, picture); return TRUE; } static GstFlowReturn gst_d3d11_h264_dec_output_picture (GstH264Decoder * decoder, GstH264Picture * picture) { GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder); GList *pending_frames, *iter; GstVideoCodecFrame *frame = NULL; GstBuffer *output_buffer = NULL; GstFlowReturn ret; GstBuffer *view_buffer; GST_LOG_OBJECT (self, "Outputting picture %p (poc %d)", picture, picture->pic_order_cnt); view_buffer = (GstBuffer *) gst_h264_picture_get_user_data (picture); if (!view_buffer) { GST_ERROR_OBJECT (self, "Could not get output view"); return FALSE; } pending_frames = gst_video_decoder_get_frames (GST_VIDEO_DECODER (self)); for (iter = pending_frames; iter; iter = g_list_next (iter)) { GstVideoCodecFrame *tmp; GstH264Picture *other_pic; tmp = (GstVideoCodecFrame *) iter->data; other_pic = gst_video_codec_frame_get_user_data (tmp); if (!other_pic) { /* FIXME: what should we do here? */ GST_WARNING_OBJECT (self, "Codec frame %p does not have corresponding picture object", tmp); continue; } if (other_pic == picture) { frame = gst_video_codec_frame_ref (tmp); break; } } g_list_free_full (pending_frames, (GDestroyNotify) gst_video_codec_frame_unref); if (!frame) { GST_WARNING_OBJECT (self, "Failed to find codec frame for picture %p", picture); output_buffer = gst_video_decoder_allocate_output_buffer (GST_VIDEO_DECODER (self)); if (!output_buffer) { GST_ERROR_OBJECT (self, "Couldn't allocate output buffer"); return GST_FLOW_ERROR; } GST_BUFFER_PTS (output_buffer) = picture->pts; GST_BUFFER_DTS (output_buffer) = GST_CLOCK_TIME_NONE; GST_BUFFER_DURATION (output_buffer) = GST_CLOCK_TIME_NONE; } else { ret = gst_video_decoder_allocate_output_frame (GST_VIDEO_DECODER (self), frame); if (ret != GST_FLOW_OK) { GST_ERROR_OBJECT (self, "failed to allocate output frame"); return ret; } output_buffer = frame->output_buffer; GST_BUFFER_PTS (output_buffer) = GST_BUFFER_PTS (frame->input_buffer); GST_BUFFER_DTS (output_buffer) = GST_CLOCK_TIME_NONE; GST_BUFFER_DURATION (output_buffer) = GST_BUFFER_DURATION (frame->input_buffer); } if (!gst_d3d11_decoder_copy_decoder_buffer (self->d3d11_decoder, &self->output_state->info, view_buffer, output_buffer)) { GST_ERROR_OBJECT (self, "Failed to copy buffer"); if (frame) gst_video_decoder_drop_frame (GST_VIDEO_DECODER (self), frame); else gst_buffer_unref (output_buffer); return GST_FLOW_ERROR; } GST_LOG_OBJECT (self, "Finish frame %" GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_PTS (output_buffer))); if (frame) { ret = gst_video_decoder_finish_frame (GST_VIDEO_DECODER (self), frame); } else { ret = gst_pad_push (GST_VIDEO_DECODER_SRC_PAD (self), output_buffer); } return ret; } static gboolean gst_d3d11_h264_dec_submit_slice_data (GstD3D11H264Dec * self) { guint buffer_size; gpointer buffer; guint8 *data; gsize offset = 0; gint i; D3D11_VIDEO_DECODER_BUFFER_DESC buffer_desc[4] = { 0, }; gboolean ret; if (self->slice_list->len < 1) { GST_WARNING_OBJECT (self, "Nothing to submit"); return FALSE; } 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++) { DXVA_Slice_H264_Short *slice_data = &g_array_index (self->slice_list, DXVA_Slice_H264_Short, i); memcpy (data + offset, slice_data, sizeof (DXVA_Slice_H264_Short)); offset += sizeof (DXVA_Slice_H264_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[0].BufferType = D3D11_VIDEO_DECODER_BUFFER_PICTURE_PARAMETERS; buffer_desc[0].DataOffset = 0; buffer_desc[0].DataSize = sizeof (DXVA_PicParams_H264); buffer_desc[1].BufferType = D3D11_VIDEO_DECODER_BUFFER_INVERSE_QUANTIZATION_MATRIX; buffer_desc[1].DataOffset = 0; buffer_desc[1].DataSize = sizeof (DXVA_Qmatrix_H264); buffer_desc[2].BufferType = D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL; buffer_desc[2].DataOffset = 0; buffer_desc[2].DataSize = sizeof (DXVA_Slice_H264_Short) * self->slice_list->len; buffer_desc[3].BufferType = D3D11_VIDEO_DECODER_BUFFER_BITSTREAM; buffer_desc[3].DataOffset = 0; buffer_desc[3].DataSize = self->current_offset; ret = gst_d3d11_decoder_submit_decoder_buffers (self->d3d11_decoder, 4, buffer_desc); self->current_offset = 0; self->bitstream_buffer_bytes = NULL; self->bitstream_buffer_size = 0; g_array_set_size (self->slice_list, 0); return ret; } static gboolean gst_d3d11_h264_dec_end_picture (GstH264Decoder * decoder, GstH264Picture * picture) { GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder); GST_LOG_OBJECT (self, "end picture %p, (poc %d)", picture, picture->pic_order_cnt); if (!gst_d3d11_h264_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_h264_dec_picture_params_from_sps (GstD3D11H264Dec * self, const GstH264SPS * sps, gboolean field_pic, DXVA_PicParams_H264 * params) { #define COPY_FIELD(f) \ (params)->f = (sps)->f params->wFrameWidthInMbsMinus1 = sps->pic_width_in_mbs_minus1; params->wFrameHeightInMbsMinus1 = sps->pic_height_in_map_units_minus1; params->residual_colour_transform_flag = sps->separate_colour_plane_flag; params->MbaffFrameFlag = sps->mb_adaptive_frame_field_flag && field_pic; params->field_pic_flag = field_pic; params->MinLumaBipredSize8x8Flag = sps->level_idc >= 31; COPY_FIELD (num_ref_frames); COPY_FIELD (chroma_format_idc); COPY_FIELD (frame_mbs_only_flag); COPY_FIELD (bit_depth_luma_minus8); COPY_FIELD (bit_depth_chroma_minus8); COPY_FIELD (log2_max_frame_num_minus4); COPY_FIELD (pic_order_cnt_type); COPY_FIELD (log2_max_pic_order_cnt_lsb_minus4); COPY_FIELD (delta_pic_order_always_zero_flag); COPY_FIELD (direct_8x8_inference_flag); #undef COPY_FIELD } static void gst_d3d11_h264_dec_picture_params_from_pps (GstD3D11H264Dec * self, const GstH264PPS * pps, DXVA_PicParams_H264 * params) { #define COPY_FIELD(f) \ (params)->f = (pps)->f COPY_FIELD (constrained_intra_pred_flag); COPY_FIELD (weighted_pred_flag); COPY_FIELD (weighted_bipred_idc); COPY_FIELD (transform_8x8_mode_flag); COPY_FIELD (pic_init_qs_minus26); COPY_FIELD (chroma_qp_index_offset); COPY_FIELD (second_chroma_qp_index_offset); COPY_FIELD (pic_init_qp_minus26); COPY_FIELD (num_ref_idx_l0_active_minus1); COPY_FIELD (num_ref_idx_l1_active_minus1); COPY_FIELD (entropy_coding_mode_flag); COPY_FIELD (pic_order_present_flag); COPY_FIELD (deblocking_filter_control_present_flag); COPY_FIELD (redundant_pic_cnt_present_flag); COPY_FIELD (num_slice_groups_minus1); COPY_FIELD (slice_group_map_type); #undef COPY_FIELD } static void gst_d3d11_h264_dec_picture_params_from_slice_header (GstD3D11H264Dec * self, const GstH264SliceHdr * slice_header, DXVA_PicParams_H264 * params) { params->sp_for_switch_flag = slice_header->sp_for_switch_flag; params->field_pic_flag = slice_header->field_pic_flag; params->CurrPic.AssociatedFlag = slice_header->bottom_field_flag; params->IntraPicFlag = GST_H264_IS_I_SLICE (slice_header) || GST_H264_IS_SI_SLICE (slice_header); } static gboolean gst_d3d11_h264_dec_fill_picture_params (GstD3D11H264Dec * self, const GstH264SliceHdr * slice_header, DXVA_PicParams_H264 * params) { const GstH264SPS *sps; const GstH264PPS *pps; g_return_val_if_fail (slice_header->pps != NULL, FALSE); g_return_val_if_fail (slice_header->pps->sequence != NULL, FALSE); pps = slice_header->pps; sps = pps->sequence; memset (params, 0, sizeof (DXVA_PicParams_H264)); params->MbsConsecutiveFlag = 1; params->Reserved16Bits = 3; params->ContinuationFlag = 1; params->Reserved8BitsA = 0; params->Reserved8BitsB = 0; params->StatusReportFeedbackNumber = 1; gst_d3d11_h264_dec_picture_params_from_sps (self, sps, slice_header->field_pic_flag, params); gst_d3d11_h264_dec_picture_params_from_pps (self, pps, params); gst_d3d11_h264_dec_picture_params_from_slice_header (self, slice_header, params); return TRUE; } static gboolean gst_d3d11_h264_dec_decode_slice (GstH264Decoder * decoder, GstH264Picture * picture, GstH264Slice * slice) { GstD3D11H264Dec *self = GST_D3D11_H264_DEC (decoder); GstD3D11H264DecPrivate *priv = self->priv; GstH264SPS *sps; GstH264PPS *pps; DXVA_PicParams_H264 pic_params = { 0, }; DXVA_Qmatrix_H264 iq_matrix = { 0, }; guint d3d11_buffer_size = 0; gpointer d3d11_buffer = NULL; gint i, j; GstD3D11DecoderOutputView *view; pps = slice->header.pps; sps = pps->sequence; view = gst_d3d11_h264_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_h264_dec_fill_picture_params (self, &slice->header, &pic_params); pic_params.CurrPic.Index7Bits = view->view_id; pic_params.RefPicFlag = picture->ref; pic_params.frame_num = picture->frame_num; if (pic_params.field_pic_flag && pic_params.CurrPic.AssociatedFlag) { pic_params.CurrFieldOrderCnt[1] = picture->bottom_field_order_cnt; pic_params.CurrFieldOrderCnt[0] = 0; } else if (pic_params.field_pic_flag && !pic_params.CurrPic.AssociatedFlag) { pic_params.CurrFieldOrderCnt[0] = picture->top_field_order_cnt; pic_params.CurrFieldOrderCnt[1] = 0; } else { pic_params.CurrFieldOrderCnt[0] = picture->top_field_order_cnt; pic_params.CurrFieldOrderCnt[1] = picture->bottom_field_order_cnt; } memcpy (pic_params.RefFrameList, priv->ref_frame_list, sizeof (pic_params.RefFrameList)); memcpy (pic_params.FieldOrderCntList, priv->field_order_cnt_list, sizeof (pic_params.FieldOrderCntList)); memcpy (pic_params.FrameNumList, priv->frame_num_list, sizeof (pic_params.FrameNumList)); pic_params.UsedForReferenceFlags = priv->used_for_reference_flags; pic_params.NonExistingFrameFlags = priv->non_existing_frame_flags; 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 (DXVA_PicParams_H264)); 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->pic_scaling_matrix_present_flag) { for (i = 0; i < 6; i++) { for (j = 0; j < 16; j++) { iq_matrix.bScalingLists4x4[i][j] = pps->scaling_lists_4x4[i][j]; } } for (i = 0; i < 2; i++) { for (j = 0; j < 64; j++) { iq_matrix.bScalingLists8x8[i][j] = pps->scaling_lists_8x8[i][j]; } } } else { for (i = 0; i < 6; i++) { for (j = 0; j < 16; j++) { iq_matrix.bScalingLists4x4[i][j] = sps->scaling_lists_4x4[i][j]; } } for (i = 0; i < 2; i++) { for (j = 0; j < 64; j++) { iq_matrix.bScalingLists8x8[i][j] = sps->scaling_lists_8x8[i][j]; } } } 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 (DXVA_Qmatrix_H264)); 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; } { 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_H264_Short slice_short = { 0, }; if (self->bitstream_buffer_size < to_write && self->slice_list->len > 0) { if (!gst_d3d11_h264_dec_submit_slice_data (self)) { GST_ERROR_OBJECT (self, "Failed to submit bitstream buffers"); return FALSE; } if (!gst_d3d11_h264_dec_get_bitstream_buffer (self)) { GST_ERROR_OBJECT (self, "Failed to get bitstream buffer"); return FALSE; } } bytes_to_copy = to_write; if (bytes_to_copy > self->bitstream_buffer_size) { bytes_to_copy = self->bitstream_buffer_size; is_last = FALSE; } if (bytes_to_copy >= 3 && is_first) { /* normal case */ self->bitstream_buffer_bytes[0] = 0; self->bitstream_buffer_bytes[1] = 0; self->bitstream_buffer_bytes[2] = 1; memcpy (self->bitstream_buffer_bytes + 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_bytes, slice->nalu.data + slice->nalu.offset, bytes_to_copy); } slice_short.BSNALunitDataLocation = self->current_offset; slice_short.SliceBytesInBuffer = bytes_to_copy; /* wBadSliceChopping: (dxva h264 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->bitstream_buffer_size -= bytes_to_copy; self->current_offset += bytes_to_copy; self->bitstream_buffer_bytes += bytes_to_copy; is_first = FALSE; to_write -= bytes_to_copy; } } return TRUE; }