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... and remove all #ifdef from nvh264sldec implementation. New helper methods will take care of OpenGL specific ones. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1357>
892 lines
29 KiB
C
892 lines
29 KiB
C
/* GStreamer
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* Copyright (C) 2017 Ericsson AB. All rights reserved.
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* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
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* Copyright (C) 2020 Seungha Yang <seungha@centricular.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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* Copyright 2015 The Chromium Authors. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstnvh264dec.h"
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#include "gstcudautils.h"
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#include "gstnvdecoder.h"
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#include <string.h>
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GST_DEBUG_CATEGORY_STATIC (gst_nv_h264_dec_debug);
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#define GST_CAT_DEFAULT gst_nv_h264_dec_debug
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struct _GstNvH264Dec
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{
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GstH264Decoder parent;
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GstVideoCodecState *output_state;
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const GstH264SPS *last_sps;
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const GstH264PPS *last_pps;
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GstCudaContext *context;
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CUstream cuda_stream;
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GstNvDecoder *decoder;
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CUVIDPICPARAMS params;
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/* slice buffer which will be passed to CUVIDPICPARAMS::pBitstreamData */
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guint8 *bitstream_buffer;
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/* allocated memory size of bitstream_buffer */
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gsize bitstream_buffer_alloc_size;
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/* current offset of bitstream_buffer (per frame) */
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gsize bitstream_buffer_offset;
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guint *slice_offsets;
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guint slice_offsets_alloc_len;
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guint num_slices;
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guint width, height;
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guint coded_width, coded_height;
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guint bitdepth;
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guint chroma_format_idc;
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GstVideoFormat out_format;
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/* For OpenGL interop. */
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GstObject *gl_display;
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GstObject *gl_context;
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GstObject *other_gl_context;
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GstNvDecoderOutputType output_type;
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};
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struct _GstNvH264DecClass
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{
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GstH264DecoderClass parent_class;
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guint cuda_device_id;
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};
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#define gst_nv_h264_dec_parent_class parent_class
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G_DEFINE_TYPE (GstNvH264Dec, gst_nv_h264_dec, GST_TYPE_H264_DECODER);
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static void gst_nv_h264_decoder_finalize (GObject * object);
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static void gst_nv_h264_dec_set_context (GstElement * element,
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GstContext * context);
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static gboolean gst_nv_h264_dec_open (GstVideoDecoder * decoder);
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static gboolean gst_nv_h264_dec_close (GstVideoDecoder * decoder);
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static gboolean gst_nv_h264_dec_negotiate (GstVideoDecoder * decoder);
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static gboolean gst_nv_h264_dec_decide_allocation (GstVideoDecoder *
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decoder, GstQuery * query);
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static gboolean gst_nv_h264_dec_src_query (GstVideoDecoder * decoder,
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GstQuery * query);
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/* GstH264Decoder */
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static gboolean gst_nv_h264_dec_new_sequence (GstH264Decoder * decoder,
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const GstH264SPS * sps, gint max_dpb_size);
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static gboolean gst_nv_h264_dec_new_picture (GstH264Decoder * decoder,
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GstH264Picture * picture);
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static GstFlowReturn gst_nv_h264_dec_output_picture (GstH264Decoder *
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decoder, GstH264Picture * picture);
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static gboolean gst_nv_h264_dec_start_picture (GstH264Decoder * decoder,
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GstH264Picture * picture, GstH264Slice * slice, GstH264Dpb * dpb);
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static gboolean gst_nv_h264_dec_decode_slice (GstH264Decoder * decoder,
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GstH264Picture * picture, GstH264Slice * slice, GArray * ref_pic_list0,
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GArray * ref_pic_list1);
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static gboolean gst_nv_h264_dec_end_picture (GstH264Decoder * decoder,
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GstH264Picture * picture);
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static void
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gst_nv_h264_dec_class_init (GstNvH264DecClass * klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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GstVideoDecoderClass *decoder_class = GST_VIDEO_DECODER_CLASS (klass);
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GstH264DecoderClass *h264decoder_class = GST_H264_DECODER_CLASS (klass);
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object_class->finalize = gst_nv_h264_decoder_finalize;
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element_class->set_context = GST_DEBUG_FUNCPTR (gst_nv_h264_dec_set_context);
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decoder_class->open = GST_DEBUG_FUNCPTR (gst_nv_h264_dec_open);
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decoder_class->close = GST_DEBUG_FUNCPTR (gst_nv_h264_dec_close);
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decoder_class->negotiate = GST_DEBUG_FUNCPTR (gst_nv_h264_dec_negotiate);
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decoder_class->decide_allocation =
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GST_DEBUG_FUNCPTR (gst_nv_h264_dec_decide_allocation);
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decoder_class->src_query = GST_DEBUG_FUNCPTR (gst_nv_h264_dec_src_query);
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h264decoder_class->new_sequence =
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GST_DEBUG_FUNCPTR (gst_nv_h264_dec_new_sequence);
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h264decoder_class->new_picture =
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GST_DEBUG_FUNCPTR (gst_nv_h264_dec_new_picture);
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h264decoder_class->output_picture =
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GST_DEBUG_FUNCPTR (gst_nv_h264_dec_output_picture);
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h264decoder_class->start_picture =
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GST_DEBUG_FUNCPTR (gst_nv_h264_dec_start_picture);
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h264decoder_class->decode_slice =
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GST_DEBUG_FUNCPTR (gst_nv_h264_dec_decode_slice);
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h264decoder_class->end_picture =
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GST_DEBUG_FUNCPTR (gst_nv_h264_dec_end_picture);
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GST_DEBUG_CATEGORY_INIT (gst_nv_h264_dec_debug,
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"nvh264dec", 0, "Nvidia H.264 Decoder");
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gst_type_mark_as_plugin_api (GST_TYPE_NV_H264_DEC, 0);
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}
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static void
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gst_nv_h264_dec_init (GstNvH264Dec * self)
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{
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}
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static void
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gst_nv_h264_decoder_finalize (GObject * object)
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{
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GstNvH264Dec *self = GST_NV_H264_DEC (object);
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g_free (self->bitstream_buffer);
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g_free (self->slice_offsets);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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gst_nv_h264_dec_set_context (GstElement * element, GstContext * context)
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{
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GstNvH264Dec *self = GST_NV_H264_DEC (element);
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GstNvH264DecClass *klass = GST_NV_H264_DEC_GET_CLASS (self);
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GST_DEBUG_OBJECT (self, "set context %s",
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gst_context_get_context_type (context));
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gst_nv_decoder_set_context (element, context, klass->cuda_device_id,
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&self->context, &self->gl_display, &self->other_gl_context);
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GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
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}
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static gboolean
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gst_nv_h264_dec_open (GstVideoDecoder * decoder)
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{
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GstNvH264Dec *self = GST_NV_H264_DEC (decoder);
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GstNvH264DecClass *klass = GST_NV_H264_DEC_GET_CLASS (self);
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if (!gst_nv_decoder_ensure_element_data (GST_ELEMENT (self),
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klass->cuda_device_id, &self->context, &self->cuda_stream,
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&self->gl_display, &self->other_gl_context)) {
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GST_ERROR_OBJECT (self, "Required element data is unavailable");
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return FALSE;
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}
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return TRUE;
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}
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static gboolean
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gst_nv_h264_dec_close (GstVideoDecoder * decoder)
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{
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GstNvH264Dec *self = GST_NV_H264_DEC (decoder);
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g_clear_pointer (&self->output_state, gst_video_codec_state_unref);
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gst_clear_object (&self->decoder);
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if (self->context && self->cuda_stream) {
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if (gst_cuda_context_push (self->context)) {
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gst_cuda_result (CuStreamDestroy (self->cuda_stream));
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gst_cuda_context_pop (NULL);
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}
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}
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gst_clear_object (&self->gl_context);
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gst_clear_object (&self->other_gl_context);
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gst_clear_object (&self->gl_display);
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gst_clear_object (&self->context);
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self->cuda_stream = NULL;
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return TRUE;
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}
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static gboolean
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gst_nv_h264_dec_negotiate (GstVideoDecoder * decoder)
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{
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GstNvH264Dec *self = GST_NV_H264_DEC (decoder);
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GstH264Decoder *h264dec = GST_H264_DECODER (decoder);
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GST_DEBUG_OBJECT (self, "negotiate");
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gst_nv_decoder_negotiate (decoder, h264dec->input_state, self->out_format,
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self->width, self->height, self->gl_display, self->other_gl_context,
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&self->gl_context, &self->output_state, &self->output_type);
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/* TODO: add support D3D11 memory */
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return GST_VIDEO_DECODER_CLASS (parent_class)->negotiate (decoder);
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}
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static gboolean
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gst_nv_h264_dec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
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{
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GstNvH264Dec *self = GST_NV_H264_DEC (decoder);
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gst_nv_decoder_decide_allocation (decoder, query,
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self->gl_context, self->output_type);
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return GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation
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(decoder, query);
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}
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static gboolean
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gst_nv_h264_dec_src_query (GstVideoDecoder * decoder, GstQuery * query)
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{
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GstNvH264Dec *self = GST_NV_H264_DEC (decoder);
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switch (GST_QUERY_TYPE (query)) {
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case GST_QUERY_CONTEXT:
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if (gst_nv_decoder_handle_context_query (GST_ELEMENT (self), query,
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self->context, self->gl_display, self->gl_context,
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self->other_gl_context)) {
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return TRUE;
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}
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break;
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default:
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break;
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}
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return GST_VIDEO_DECODER_CLASS (parent_class)->src_query (decoder, query);
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}
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static gboolean
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gst_nv_h264_dec_new_sequence (GstH264Decoder * decoder, const GstH264SPS * sps,
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gint max_dpb_size)
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{
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GstNvH264Dec *self = GST_NV_H264_DEC (decoder);
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gint crop_width, crop_height;
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gboolean modified = FALSE;
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GST_LOG_OBJECT (self, "new sequence");
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if (sps->frame_cropping_flag) {
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crop_width = sps->crop_rect_width;
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crop_height = sps->crop_rect_height;
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} else {
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crop_width = sps->width;
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crop_height = sps->height;
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}
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if (self->width != crop_width || self->height != crop_height ||
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self->coded_width != sps->width || self->coded_height != sps->height) {
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GST_INFO_OBJECT (self, "resolution changed %dx%d (%dx%d)",
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crop_width, crop_height, sps->width, sps->height);
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self->width = crop_width;
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self->height = crop_height;
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self->coded_width = sps->width;
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self->coded_height = sps->height;
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modified = TRUE;
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}
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if (self->bitdepth != sps->bit_depth_luma_minus8 + 8) {
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GST_INFO_OBJECT (self, "bitdepth changed");
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self->bitdepth = sps->bit_depth_luma_minus8 + 8;
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modified = TRUE;
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}
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if (self->chroma_format_idc != sps->chroma_format_idc) {
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GST_INFO_OBJECT (self, "chroma format changed");
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self->chroma_format_idc = sps->chroma_format_idc;
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modified = TRUE;
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}
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if (modified || !self->decoder) {
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GstVideoInfo info;
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self->out_format = GST_VIDEO_FORMAT_UNKNOWN;
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if (self->bitdepth == 8) {
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if (self->chroma_format_idc == 1)
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self->out_format = GST_VIDEO_FORMAT_NV12;
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else {
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GST_FIXME_OBJECT (self, "Could not support 8bits non-4:2:0 format");
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}
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} else if (self->bitdepth == 10) {
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if (self->chroma_format_idc == 1)
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self->out_format = GST_VIDEO_FORMAT_P010_10LE;
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else {
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GST_FIXME_OBJECT (self, "Could not support 10bits non-4:2:0 format");
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}
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}
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if (self->out_format == GST_VIDEO_FORMAT_UNKNOWN) {
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GST_ERROR_OBJECT (self, "Could not support bitdepth/chroma format");
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return FALSE;
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}
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gst_clear_object (&self->decoder);
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gst_video_info_set_format (&info,
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self->out_format, self->width, self->height);
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/* FIXME: add support cudaVideoCodec_H264_SVC and cudaVideoCodec_H264_MVC */
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self->decoder = gst_nv_decoder_new (self->context, cudaVideoCodec_H264,
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&info,
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/* Additional 2 buffers for margin */
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max_dpb_size + 2);
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if (!self->decoder) {
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GST_ERROR_OBJECT (self, "Failed to create decoder");
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return FALSE;
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}
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if (!gst_video_decoder_negotiate (GST_VIDEO_DECODER (self))) {
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GST_ERROR_OBJECT (self, "Failed to negotiate with downstream");
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return FALSE;
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}
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self->last_sps = NULL;
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self->last_pps = NULL;
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memset (&self->params, 0, sizeof (CUVIDPICPARAMS));
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}
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return TRUE;
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}
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static gboolean
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gst_nv_h264_dec_new_picture (GstH264Decoder * decoder, GstH264Picture * picture)
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{
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GstNvH264Dec *self = GST_NV_H264_DEC (decoder);
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GstNvDecoderFrame *frame;
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frame = gst_nv_decoder_new_frame (self->decoder);
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if (!frame) {
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GST_ERROR_OBJECT (self, "No available decoder frame");
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return FALSE;
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}
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GST_LOG_OBJECT (self, "New decoder frame %p (index %d)", frame, frame->index);
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gst_h264_picture_set_user_data (picture,
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frame, (GDestroyNotify) gst_nv_decoder_frame_free);
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return TRUE;
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}
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static GstFlowReturn
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gst_nv_h264_dec_output_picture (GstH264Decoder * decoder,
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GstH264Picture * picture)
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{
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GstNvH264Dec *self = GST_NV_H264_DEC (decoder);
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GstVideoCodecFrame *frame = NULL;
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GstBuffer *output_buffer = NULL;
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GstNvDecoderFrame *decoder_frame;
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gboolean ret G_GNUC_UNUSED = FALSE;
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GST_LOG_OBJECT (self,
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"Outputting picture %p (poc %d)", picture, picture->pic_order_cnt);
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decoder_frame =
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(GstNvDecoderFrame *) gst_h264_picture_get_user_data (picture);
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if (!decoder_frame) {
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GST_ERROR_OBJECT (self, "No decoder frame in picture %p", picture);
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return GST_FLOW_ERROR;
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}
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frame = gst_video_decoder_get_frame (GST_VIDEO_DECODER (self),
|
|
picture->system_frame_number);
|
|
if (!frame) {
|
|
GST_ERROR_OBJECT (self, "Failed to retrieve codec frame");
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
output_buffer =
|
|
gst_video_decoder_allocate_output_buffer (GST_VIDEO_DECODER (self));
|
|
frame->output_buffer = output_buffer;
|
|
|
|
if (self->output_type == GST_NV_DECOCER_OUTPUT_TYPE_GL) {
|
|
ret = gst_nv_decoder_finish_frame (self->decoder,
|
|
GST_NV_DECOCER_OUTPUT_TYPE_GL, self->gl_context,
|
|
decoder_frame, output_buffer);
|
|
|
|
/* FIXME: This is the case where OpenGL context of downstream glbufferpool
|
|
* belongs to non-nvidia (or different device).
|
|
* There should be enhancement to ensure nvdec has compatible OpenGL context
|
|
*/
|
|
if (!ret) {
|
|
GST_WARNING_OBJECT (self,
|
|
"Couldn't copy frame to GL memory, fallback to system memory");
|
|
self->output_type = GST_NV_DECOCER_OUTPUT_TYPE_SYSTEM;
|
|
}
|
|
}
|
|
|
|
if (!ret) {
|
|
if (!gst_nv_decoder_finish_frame (self->decoder,
|
|
GST_NV_DECOCER_OUTPUT_TYPE_SYSTEM, NULL, decoder_frame,
|
|
output_buffer)) {
|
|
GST_ERROR_OBJECT (self, "Failed to finish frame");
|
|
gst_video_decoder_drop_frame (GST_VIDEO_DECODER (self), frame);
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
}
|
|
|
|
return gst_video_decoder_finish_frame (GST_VIDEO_DECODER (self), frame);
|
|
}
|
|
|
|
static GstNvDecoderFrame *
|
|
gst_nv_h264_dec_get_decoder_frame_from_picture (GstNvH264Dec * self,
|
|
GstH264Picture * picture)
|
|
{
|
|
GstNvDecoderFrame *frame;
|
|
|
|
frame = (GstNvDecoderFrame *) gst_h264_picture_get_user_data (picture);
|
|
|
|
if (!frame)
|
|
GST_DEBUG_OBJECT (self, "current picture does not have decoder frame");
|
|
|
|
return frame;
|
|
}
|
|
|
|
static void
|
|
gst_nv_h264_dec_fill_scaling_list_4x4 (const GstH264PPS * pps,
|
|
CUVIDH264PICPARAMS * params)
|
|
{
|
|
guint i;
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (params->WeightScale4x4); i++)
|
|
gst_h264_quant_matrix_4x4_get_raster_from_zigzag (params->WeightScale4x4[i],
|
|
pps->scaling_lists_4x4[i]);
|
|
}
|
|
|
|
static void
|
|
gst_nv_h264_dec_fill_scaling_list_8x8 (const GstH264PPS * pps,
|
|
CUVIDH264PICPARAMS * params)
|
|
{
|
|
guint i;
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (params->WeightScale8x8); i++) {
|
|
gst_h264_quant_matrix_8x8_get_raster_from_zigzag (params->WeightScale8x8[i],
|
|
pps->scaling_lists_8x8[i]);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_nv_h264_dec_picture_params_from_sps (GstNvH264Dec * self,
|
|
const GstH264SPS * sps, gboolean field_pic, CUVIDH264PICPARAMS * params)
|
|
{
|
|
params->residual_colour_transform_flag = sps->separate_colour_plane_flag;
|
|
params->MbaffFrameFlag = sps->mb_adaptive_frame_field_flag && field_pic;
|
|
|
|
#define COPY_FIELD(f) \
|
|
(params)->f = (sps)->f
|
|
|
|
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 (frame_mbs_only_flag);
|
|
COPY_FIELD (direct_8x8_inference_flag);
|
|
COPY_FIELD (num_ref_frames);
|
|
COPY_FIELD (bit_depth_luma_minus8);
|
|
COPY_FIELD (bit_depth_chroma_minus8);
|
|
COPY_FIELD (qpprime_y_zero_transform_bypass_flag);
|
|
|
|
#undef COPY_FIELD
|
|
}
|
|
|
|
static void
|
|
gst_nv_h264_dec_picture_params_from_pps (GstNvH264Dec * self,
|
|
const GstH264PPS * pps, CUVIDH264PICPARAMS * params)
|
|
{
|
|
params->second_chroma_qp_index_offset =
|
|
(gint8) pps->second_chroma_qp_index_offset;
|
|
|
|
#define COPY_FIELD(f) \
|
|
(params)->f = (pps)->f
|
|
|
|
COPY_FIELD (entropy_coding_mode_flag);
|
|
COPY_FIELD (pic_order_present_flag);
|
|
COPY_FIELD (num_ref_idx_l0_active_minus1);
|
|
COPY_FIELD (num_ref_idx_l1_active_minus1);
|
|
COPY_FIELD (pic_init_qp_minus26);
|
|
COPY_FIELD (weighted_pred_flag);
|
|
COPY_FIELD (weighted_bipred_idc);
|
|
COPY_FIELD (pic_init_qp_minus26);
|
|
COPY_FIELD (deblocking_filter_control_present_flag);
|
|
COPY_FIELD (redundant_pic_cnt_present_flag);
|
|
COPY_FIELD (transform_8x8_mode_flag);
|
|
COPY_FIELD (constrained_intra_pred_flag);
|
|
COPY_FIELD (chroma_qp_index_offset);
|
|
#undef COPY_FIELD
|
|
|
|
gst_nv_h264_dec_fill_scaling_list_4x4 (pps, params);
|
|
gst_nv_h264_dec_fill_scaling_list_8x8 (pps, params);
|
|
}
|
|
|
|
static void
|
|
gst_nv_h264_dec_reset_bitstream_params (GstNvH264Dec * self)
|
|
{
|
|
self->bitstream_buffer_offset = 0;
|
|
self->num_slices = 0;
|
|
|
|
self->params.nBitstreamDataLen = 0;
|
|
self->params.pBitstreamData = NULL;
|
|
self->params.nNumSlices = 0;
|
|
self->params.pSliceDataOffsets = NULL;
|
|
}
|
|
|
|
static gboolean
|
|
gst_nv_h264_dec_start_picture (GstH264Decoder * decoder,
|
|
GstH264Picture * picture, GstH264Slice * slice, GstH264Dpb * dpb)
|
|
{
|
|
GstNvH264Dec *self = GST_NV_H264_DEC (decoder);
|
|
CUVIDPICPARAMS *params = &self->params;
|
|
CUVIDH264PICPARAMS *h264_params = ¶ms->CodecSpecific.h264;
|
|
const GstH264SliceHdr *slice_header = &slice->header;
|
|
const GstH264SPS *sps;
|
|
const GstH264PPS *pps;
|
|
GstNvDecoderFrame *frame;
|
|
GArray *dpb_array;
|
|
gint i;
|
|
|
|
g_return_val_if_fail (slice_header->pps != NULL, FALSE);
|
|
g_return_val_if_fail (slice_header->pps->sequence != NULL, FALSE);
|
|
|
|
frame = gst_nv_h264_dec_get_decoder_frame_from_picture (self, picture);
|
|
|
|
if (!frame) {
|
|
GST_ERROR_OBJECT (self,
|
|
"Couldn't get decoder frame frame picture %p", picture);
|
|
return FALSE;
|
|
}
|
|
|
|
gst_nv_h264_dec_reset_bitstream_params (self);
|
|
|
|
sps = slice_header->pps->sequence;
|
|
pps = slice_header->pps;
|
|
|
|
/* FIXME: update sps/pps related params only when it's required */
|
|
params->PicWidthInMbs = sps->pic_width_in_mbs_minus1 + 1;
|
|
params->FrameHeightInMbs = sps->pic_height_in_map_units_minus1 + 1;
|
|
params->CurrPicIdx = frame->index;
|
|
/* TODO: verifiy interlaced */
|
|
params->field_pic_flag = picture->field != GST_H264_PICTURE_FIELD_FRAME;
|
|
params->bottom_field_flag =
|
|
picture->field == GST_H264_PICTURE_FIELD_BOTTOM_FIELD;
|
|
/* TODO: set second_field here */
|
|
params->second_field = 0;
|
|
|
|
/* nBitstreamDataLen, pBitstreamData, nNumSlices and pSliceDataOffsets
|
|
* will be set later */
|
|
|
|
params->ref_pic_flag = picture->ref;
|
|
/* will be updated later, if any slices belong to this frame is not
|
|
* intra slice */
|
|
params->intra_pic_flag = 1;
|
|
|
|
h264_params->frame_num = picture->frame_num;
|
|
h264_params->ref_pic_flag = picture->ref;
|
|
/* FIXME: should be updated depending on field type? */
|
|
h264_params->CurrFieldOrderCnt[0] = picture->top_field_order_cnt;
|
|
h264_params->CurrFieldOrderCnt[1] = picture->bottom_field_order_cnt;
|
|
|
|
if (!self->last_sps || self->last_sps != sps) {
|
|
GST_DEBUG_OBJECT (self, "Update params from SPS and PPS");
|
|
gst_nv_h264_dec_picture_params_from_sps (self,
|
|
sps, slice_header->field_pic_flag, h264_params);
|
|
gst_nv_h264_dec_picture_params_from_pps (self, pps, h264_params);
|
|
self->last_sps = sps;
|
|
self->last_pps = pps;
|
|
} else if (!self->last_pps || self->last_pps != pps) {
|
|
GST_DEBUG_OBJECT (self, "Update params from PPS");
|
|
gst_nv_h264_dec_picture_params_from_pps (self, pps, h264_params);
|
|
self->last_pps = pps;
|
|
} else {
|
|
GST_TRACE_OBJECT (self, "SPS and PPS were not updated");
|
|
}
|
|
|
|
memset (&h264_params->dpb, 0, sizeof (h264_params->dpb));
|
|
for (i = 0; i < G_N_ELEMENTS (h264_params->dpb); i++)
|
|
h264_params->dpb[i].PicIdx = -1;
|
|
|
|
dpb_array = gst_h264_dpb_get_pictures_all (dpb);
|
|
for (i = 0; i < dpb_array->len && i < G_N_ELEMENTS (h264_params->dpb); i++) {
|
|
GstH264Picture *other = g_array_index (dpb_array, GstH264Picture *, i);
|
|
GstNvDecoderFrame *other_frame;
|
|
gint picture_index = -1;
|
|
CUVIDH264DPBENTRY *dpb = &h264_params->dpb[i];
|
|
|
|
if (!other->ref)
|
|
continue;
|
|
|
|
other_frame = gst_nv_h264_dec_get_decoder_frame_from_picture (self, other);
|
|
|
|
if (other_frame)
|
|
picture_index = other_frame->index;
|
|
|
|
dpb->PicIdx = picture_index;
|
|
if (other->long_term) {
|
|
dpb->FrameIdx = other->long_term_frame_idx;
|
|
dpb->is_long_term = 1;
|
|
} else {
|
|
dpb->FrameIdx = other->frame_num;
|
|
dpb->is_long_term = 0;
|
|
}
|
|
|
|
dpb->not_existing = other->nonexisting;
|
|
if (dpb->not_existing && dpb->PicIdx != -1) {
|
|
GST_WARNING_OBJECT (self,
|
|
"Non-existing frame has valid picture index %d", dpb->PicIdx);
|
|
dpb->PicIdx = -1;
|
|
}
|
|
|
|
/* FIXME: 1=top_field, 2=bottom_field, 3=both_fields */
|
|
dpb->used_for_reference = 3;
|
|
|
|
dpb->FieldOrderCnt[0] = other->top_field_order_cnt;
|
|
dpb->FieldOrderCnt[1] = other->bottom_field_order_cnt;
|
|
}
|
|
|
|
g_array_unref (dpb_array);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_nv_h264_dec_decode_slice (GstH264Decoder * decoder,
|
|
GstH264Picture * picture, GstH264Slice * slice, GArray * ref_pic_list0,
|
|
GArray * ref_pic_list1)
|
|
{
|
|
GstNvH264Dec *self = GST_NV_H264_DEC (decoder);
|
|
gsize new_size;
|
|
|
|
GST_LOG_OBJECT (self, "Decode slice, nalu size %u", slice->nalu.size);
|
|
|
|
if (self->slice_offsets_alloc_len < self->num_slices + 1) {
|
|
self->slice_offsets = (guint *) g_realloc_n (self->slice_offsets,
|
|
self->num_slices + 1, sizeof (guint));
|
|
}
|
|
self->slice_offsets[self->num_slices] = self->bitstream_buffer_offset;
|
|
GST_LOG_OBJECT (self, "Slice offset %u for slice %d",
|
|
self->slice_offsets[self->num_slices], self->num_slices);
|
|
|
|
self->num_slices++;
|
|
|
|
new_size = self->bitstream_buffer_offset + slice->nalu.size + 3;
|
|
if (self->bitstream_buffer_alloc_size < new_size) {
|
|
self->bitstream_buffer =
|
|
(guint8 *) g_realloc (self->bitstream_buffer, new_size);
|
|
}
|
|
|
|
self->bitstream_buffer[self->bitstream_buffer_offset] = 0;
|
|
self->bitstream_buffer[self->bitstream_buffer_offset + 1] = 0;
|
|
self->bitstream_buffer[self->bitstream_buffer_offset + 2] = 1;
|
|
|
|
memcpy (self->bitstream_buffer + self->bitstream_buffer_offset + 3,
|
|
slice->nalu.data + slice->nalu.offset, slice->nalu.size);
|
|
self->bitstream_buffer_offset = new_size;
|
|
|
|
if (!GST_H264_IS_I_SLICE (&slice->header) &&
|
|
!GST_H264_IS_SI_SLICE (&slice->header))
|
|
self->params.intra_pic_flag = 0;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_nv_h264_dec_end_picture (GstH264Decoder * decoder, GstH264Picture * picture)
|
|
{
|
|
GstNvH264Dec *self = GST_NV_H264_DEC (decoder);
|
|
gboolean ret;
|
|
CUVIDPICPARAMS *params = &self->params;
|
|
|
|
params->nBitstreamDataLen = self->bitstream_buffer_offset;
|
|
params->pBitstreamData = self->bitstream_buffer;
|
|
params->nNumSlices = self->num_slices;
|
|
params->pSliceDataOffsets = self->slice_offsets;
|
|
|
|
GST_LOG_OBJECT (self, "End picture, bitstream len: %" G_GSIZE_FORMAT
|
|
", num slices %d", self->bitstream_buffer_offset, self->num_slices);
|
|
|
|
ret = gst_nv_decoder_decode_picture (self->decoder, &self->params);
|
|
|
|
if (!ret)
|
|
GST_ERROR_OBJECT (self, "Failed to decode picture");
|
|
|
|
return ret;
|
|
}
|
|
|
|
typedef struct
|
|
{
|
|
GstCaps *sink_caps;
|
|
GstCaps *src_caps;
|
|
guint cuda_device_id;
|
|
gboolean is_default;
|
|
} GstNvH264DecClassData;
|
|
|
|
static void
|
|
gst_nv_h264_dec_subclass_init (gpointer klass, GstNvH264DecClassData * cdata)
|
|
{
|
|
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
|
|
GstNvH264DecClass *nvdec_class = (GstNvH264DecClass *) (klass);
|
|
gchar *long_name;
|
|
|
|
if (cdata->is_default) {
|
|
long_name = g_strdup_printf ("NVDEC H.264 Stateless Decoder");
|
|
} else {
|
|
long_name = g_strdup_printf ("NVDEC H.264 Stateless Decoder with device %d",
|
|
cdata->cuda_device_id);
|
|
}
|
|
|
|
gst_element_class_set_metadata (element_class, long_name,
|
|
"Codec/Decoder/Video/Hardware",
|
|
"Nvidia H.264 video decoder", "Seungha Yang <seungha@centricular.com>");
|
|
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));
|
|
|
|
nvdec_class->cuda_device_id = cdata->cuda_device_id;
|
|
|
|
gst_caps_unref (cdata->sink_caps);
|
|
gst_caps_unref (cdata->src_caps);
|
|
g_free (cdata);
|
|
}
|
|
|
|
void
|
|
gst_nv_h264_dec_register (GstPlugin * plugin, guint device_id, guint rank,
|
|
GstCaps * sink_caps, GstCaps * src_caps, gboolean is_primary)
|
|
{
|
|
GTypeQuery type_query;
|
|
GTypeInfo type_info = { 0, };
|
|
GType subtype;
|
|
gchar *type_name;
|
|
gchar *feature_name;
|
|
GstNvH264DecClassData *cdata;
|
|
gboolean is_default = TRUE;
|
|
const GValue *value;
|
|
GstStructure *s;
|
|
|
|
cdata = g_new0 (GstNvH264DecClassData, 1);
|
|
cdata->sink_caps = gst_caps_from_string ("video/x-h264, "
|
|
"stream-format= (string) { avc, avc3, byte-stream }, "
|
|
"alignment= (string) au, "
|
|
"profile = (string) { high, main, constrained-baseline, baseline }, "
|
|
"framerate = " GST_VIDEO_FPS_RANGE);
|
|
|
|
s = gst_caps_get_structure (sink_caps, 0);
|
|
value = gst_structure_get_value (s, "width");
|
|
gst_caps_set_value (cdata->sink_caps, "width", value);
|
|
|
|
value = gst_structure_get_value (s, "height");
|
|
gst_caps_set_value (cdata->sink_caps, "height", value);
|
|
|
|
GST_MINI_OBJECT_FLAG_SET (cdata->sink_caps,
|
|
GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
|
|
cdata->src_caps = gst_caps_ref (src_caps);
|
|
cdata->cuda_device_id = device_id;
|
|
|
|
g_type_query (GST_TYPE_NV_H264_DEC, &type_query);
|
|
memset (&type_info, 0, sizeof (type_info));
|
|
type_info.class_size = type_query.class_size;
|
|
type_info.instance_size = type_query.instance_size;
|
|
type_info.class_init = (GClassInitFunc) gst_nv_h264_dec_subclass_init;
|
|
type_info.class_data = cdata;
|
|
|
|
if (is_primary) {
|
|
type_name = g_strdup ("GstNvH264StatelessPrimaryDec");
|
|
feature_name = g_strdup ("nvh264dec");
|
|
} else {
|
|
type_name = g_strdup ("GstNvH264StatelessDec");
|
|
feature_name = g_strdup ("nvh264sldec");
|
|
}
|
|
|
|
if (g_type_from_name (type_name) != 0) {
|
|
g_free (type_name);
|
|
g_free (feature_name);
|
|
if (is_primary) {
|
|
type_name =
|
|
g_strdup_printf ("GstNvH264StatelessPrimaryDevice%dDec", device_id);
|
|
feature_name = g_strdup_printf ("nvh264device%ddec", device_id);
|
|
} else {
|
|
type_name = g_strdup_printf ("GstNvH264StatelessDevice%dDec", device_id);
|
|
feature_name = g_strdup_printf ("nvh264sldevice%ddec", device_id);
|
|
}
|
|
|
|
is_default = FALSE;
|
|
}
|
|
|
|
cdata->is_default = is_default;
|
|
subtype = g_type_register_static (GST_TYPE_NV_H264_DEC,
|
|
type_name, &type_info, 0);
|
|
|
|
/* make lower rank than default device */
|
|
if (rank > 0 && !is_default)
|
|
rank--;
|
|
|
|
if (!gst_element_register (plugin, feature_name, rank, subtype))
|
|
GST_WARNING ("Failed to register plugin '%s'", type_name);
|
|
|
|
g_free (type_name);
|
|
g_free (feature_name);
|
|
}
|