mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-06 17:39:47 +00:00
Code Issues 1 Projects Releases Wiki Activity
gstreamer/subprojects/gst-plugins-bad/sys/nvcodec/gstnvh265dec.c
Seungha Yang 4345814e31 nvh265sldec: Fix for decoding 12bits stream 
We've been exposing main-444-12 profile as a supported profile
in its sinkpad template but not actaully. Adding code to
covert 12 and 16 bits as well.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1660>
2022-02-08 05:04:17 +00:00

1072 lines
36 KiB
C
Raw Blame History

/* GStreamer
* Copyright (C) 2017 Ericsson AB. All rights reserved.
* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
* Copyright (C) 2020 Seungha Yang <seungha@centricular.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* 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.
*
* 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.
*
* 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 "config.h"
#endif
#include "gstnvh265dec.h"
#include "gstcudautils.h"
#include "gstnvdecoder.h"
#include <string.h>
GST_DEBUG_CATEGORY_STATIC (gst_nv_h265_dec_debug);
#define GST_CAT_DEFAULT gst_nv_h265_dec_debug
struct _GstNvH265Dec
{
GstH265Decoder parent;
GstVideoCodecState *output_state;
const GstH265SPS *last_sps;
const GstH265PPS *last_pps;
GstCudaContext *context;
GstNvDecoder *decoder;
CUVIDPICPARAMS params;
/* slice buffer which will be passed to CUVIDPICPARAMS::pBitstreamData */
guint8 *bitstream_buffer;
/* allocated memory size of bitstream_buffer */
gsize bitstream_buffer_alloc_size;
/* current offset of bitstream_buffer (per frame) */
gsize bitstream_buffer_offset;
guint *slice_offsets;
guint slice_offsets_alloc_len;
guint num_slices;
guint width, height;
guint coded_width, coded_height;
guint bitdepth;
guint chroma_format_idc;
};
struct _GstNvH265DecClass
{
GstH265DecoderClass parent_class;
guint cuda_device_id;
};
#define gst_nv_h265_dec_parent_class parent_class
G_DEFINE_TYPE (GstNvH265Dec, gst_nv_h265_dec, GST_TYPE_H265_DECODER);
static void gst_nv_h265_decoder_finalize (GObject * object);
static void gst_nv_h265_dec_set_context (GstElement * element,
GstContext * context);
static gboolean gst_nv_h265_dec_open (GstVideoDecoder * decoder);
static gboolean gst_nv_h265_dec_close (GstVideoDecoder * decoder);
static gboolean gst_nv_h265_dec_negotiate (GstVideoDecoder * decoder);
static gboolean gst_nv_h265_dec_decide_allocation (GstVideoDecoder *
decoder, GstQuery * query);
static gboolean gst_nv_h265_dec_src_query (GstVideoDecoder * decoder,
GstQuery * query);
/* GstH265Decoder */
static GstFlowReturn gst_nv_h265_dec_new_sequence (GstH265Decoder * decoder,
const GstH265SPS * sps, gint max_dpb_size);
static GstFlowReturn gst_nv_h265_dec_new_picture (GstH265Decoder * decoder,
GstVideoCodecFrame * frame, GstH265Picture * picture);
static GstFlowReturn gst_nv_h265_dec_output_picture (GstH265Decoder *
decoder, GstVideoCodecFrame * frame, GstH265Picture * picture);
static GstFlowReturn gst_nv_h265_dec_start_picture (GstH265Decoder * decoder,
GstH265Picture * picture, GstH265Slice * slice, GstH265Dpb * dpb);
static GstFlowReturn gst_nv_h265_dec_decode_slice (GstH265Decoder * decoder,
GstH265Picture * picture, GstH265Slice * slice,
GArray * ref_pic_list0, GArray * ref_pic_list1);
static GstFlowReturn gst_nv_h265_dec_end_picture (GstH265Decoder * decoder,
GstH265Picture * picture);
static void
gst_nv_h265_dec_class_init (GstNvH265DecClass * klass)
{
GObjectClass *object_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);
/**
* GstNvH265Dec
*
* Since: 1.18
*/
object_class->finalize = gst_nv_h265_decoder_finalize;
element_class->set_context = GST_DEBUG_FUNCPTR (gst_nv_h265_dec_set_context);
decoder_class->open = GST_DEBUG_FUNCPTR (gst_nv_h265_dec_open);
decoder_class->close = GST_DEBUG_FUNCPTR (gst_nv_h265_dec_close);
decoder_class->negotiate = GST_DEBUG_FUNCPTR (gst_nv_h265_dec_negotiate);
decoder_class->decide_allocation =
GST_DEBUG_FUNCPTR (gst_nv_h265_dec_decide_allocation);
decoder_class->src_query = GST_DEBUG_FUNCPTR (gst_nv_h265_dec_src_query);
h265decoder_class->new_sequence =
GST_DEBUG_FUNCPTR (gst_nv_h265_dec_new_sequence);
h265decoder_class->new_picture =
GST_DEBUG_FUNCPTR (gst_nv_h265_dec_new_picture);
h265decoder_class->output_picture =
GST_DEBUG_FUNCPTR (gst_nv_h265_dec_output_picture);
h265decoder_class->start_picture =
GST_DEBUG_FUNCPTR (gst_nv_h265_dec_start_picture);
h265decoder_class->decode_slice =
GST_DEBUG_FUNCPTR (gst_nv_h265_dec_decode_slice);
h265decoder_class->end_picture =
GST_DEBUG_FUNCPTR (gst_nv_h265_dec_end_picture);
GST_DEBUG_CATEGORY_INIT (gst_nv_h265_dec_debug,
"nvh265dec", 0, "Nvidia H.265 Decoder");
gst_type_mark_as_plugin_api (GST_TYPE_NV_H265_DEC, 0);
}
static void
gst_nv_h265_dec_init (GstNvH265Dec * self)
{
}
static void
gst_nv_h265_decoder_finalize (GObject * object)
{
GstNvH265Dec *self = GST_NV_H265_DEC (object);
g_free (self->bitstream_buffer);
g_free (self->slice_offsets);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_nv_h265_dec_set_context (GstElement * element, GstContext * context)
{
GstNvH265Dec *self = GST_NV_H265_DEC (element);
GstNvH265DecClass *klass = GST_NV_H265_DEC_GET_CLASS (self);
GST_DEBUG_OBJECT (self, "set context %s",
gst_context_get_context_type (context));
if (gst_cuda_handle_set_context (element, context, klass->cuda_device_id,
&self->context)) {
goto done;
}
if (self->decoder)
gst_nv_decoder_handle_set_context (self->decoder, element, context);
done:
GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
}
static gboolean
gst_nv_h265_dec_open (GstVideoDecoder * decoder)
{
GstNvH265Dec *self = GST_NV_H265_DEC (decoder);
GstNvH265DecClass *klass = GST_NV_H265_DEC_GET_CLASS (self);
if (!gst_cuda_ensure_element_context (GST_ELEMENT (self),
klass->cuda_device_id, &self->context)) {
GST_ERROR_OBJECT (self, "Required element data is unavailable");
return FALSE;
}
self->decoder = gst_nv_decoder_new (self->context);
if (!self->decoder) {
GST_ERROR_OBJECT (self, "Failed to create decoder object");
gst_clear_object (&self->context);
return FALSE;
}
return TRUE;
}
static gboolean
gst_nv_h265_dec_close (GstVideoDecoder * decoder)
{
GstNvH265Dec *self = GST_NV_H265_DEC (decoder);
g_clear_pointer (&self->output_state, gst_video_codec_state_unref);
gst_clear_object (&self->decoder);
gst_clear_object (&self->context);
return TRUE;
}
static gboolean
gst_nv_h265_dec_negotiate (GstVideoDecoder * decoder)
{
GstNvH265Dec *self = GST_NV_H265_DEC (decoder);
GstH265Decoder *h265dec = GST_H265_DECODER (decoder);
GST_DEBUG_OBJECT (self, "negotiate");
gst_nv_decoder_negotiate (self->decoder, decoder, h265dec->input_state,
&self->output_state);
/* TODO: add support D3D11 memory */
return GST_VIDEO_DECODER_CLASS (parent_class)->negotiate (decoder);
}
static gboolean
gst_nv_h265_dec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
{
GstNvH265Dec *self = GST_NV_H265_DEC (decoder);
if (!gst_nv_decoder_decide_allocation (self->decoder, decoder, query)) {
GST_WARNING_OBJECT (self, "Failed to handle decide allocation");
return FALSE;
}
return GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation
(decoder, query);
}
static gboolean
gst_nv_h265_dec_src_query (GstVideoDecoder * decoder, GstQuery * query)
{
GstNvH265Dec *self = GST_NV_H265_DEC (decoder);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONTEXT:
if (gst_cuda_handle_context_query (GST_ELEMENT (decoder), query,
self->context)) {
return TRUE;
} else if (self->decoder &&
gst_nv_decoder_handle_context_query (self->decoder, decoder, query)) {
return TRUE;
}
break;
default:
break;
}
return GST_VIDEO_DECODER_CLASS (parent_class)->src_query (decoder, query);
}
static GstFlowReturn
gst_nv_h265_dec_new_sequence (GstH265Decoder * decoder, const GstH265SPS * sps,
gint max_dpb_size)
{
GstNvH265Dec *self = GST_NV_H265_DEC (decoder);
gint crop_width, crop_height;
gboolean modified = FALSE;
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 || !gst_nv_decoder_is_configured (self->decoder)) {
GstVideoInfo info;
GstVideoFormat out_format = GST_VIDEO_FORMAT_UNKNOWN;
if (self->bitdepth == 8) {
if (self->chroma_format_idc == 1) {
out_format = GST_VIDEO_FORMAT_NV12;
} else if (self->chroma_format_idc == 3) {
out_format = GST_VIDEO_FORMAT_Y444;
} else {
GST_FIXME_OBJECT (self, "8 bits supports only 4:2:0 or 4:4:4 format");
}
} else if (self->bitdepth == 10) {
if (self->chroma_format_idc == 1) {
out_format = GST_VIDEO_FORMAT_P010_10LE;
} else if (self->chroma_format_idc == 3) {
out_format = GST_VIDEO_FORMAT_Y444_16LE;
} else {
GST_FIXME_OBJECT (self, "10 bits supports only 4:2:0 or 4:4:4 format");
}
} else if (self->bitdepth == 12 || self->bitdepth == 16) {
if (self->chroma_format_idc == 1) {
out_format = GST_VIDEO_FORMAT_P016_LE;
} else if (self->chroma_format_idc == 3) {
out_format = GST_VIDEO_FORMAT_Y444_16LE;
} else {
GST_FIXME_OBJECT (self, "%d bits supports only 4:2:0 or 4:4:4 format",
self->bitdepth);
}
}
if (out_format == GST_VIDEO_FORMAT_UNKNOWN) {
GST_ERROR_OBJECT (self, "Could not support bitdepth/chroma format");
return GST_FLOW_NOT_NEGOTIATED;
}
gst_video_info_set_format (&info, out_format, self->width, self->height);
if (!gst_nv_decoder_configure (self->decoder,
cudaVideoCodec_HEVC, &info, self->coded_width, self->coded_height,
self->bitdepth,
/* Additional 2 buffers for margin */
max_dpb_size + 2)) {
GST_ERROR_OBJECT (self, "Failed to configure decoder");
return GST_FLOW_NOT_NEGOTIATED;
}
if (!gst_video_decoder_negotiate (GST_VIDEO_DECODER (self))) {
GST_ERROR_OBJECT (self, "Failed to negotiate with downstream");
return GST_FLOW_NOT_NEGOTIATED;
}
self->last_sps = NULL;
self->last_pps = NULL;
memset (&self->params, 0, sizeof (CUVIDPICPARAMS));
}
return GST_FLOW_OK;
}
static GstFlowReturn
gst_nv_h265_dec_new_picture (GstH265Decoder * decoder,
GstVideoCodecFrame * cframe, GstH265Picture * picture)
{
GstNvH265Dec *self = GST_NV_H265_DEC (decoder);
GstNvDecoderFrame *frame;
frame = gst_nv_decoder_new_frame (self->decoder);
if (!frame) {
GST_ERROR_OBJECT (self, "No available decoder frame");
return GST_FLOW_ERROR;
}
GST_LOG_OBJECT (self, "New decoder frame %p (index %d)", frame, frame->index);
gst_h265_picture_set_user_data (picture,
frame, (GDestroyNotify) gst_nv_decoder_frame_unref);
return GST_FLOW_OK;
}
static GstFlowReturn
gst_nv_h265_dec_output_picture (GstH265Decoder * decoder,
GstVideoCodecFrame * frame, GstH265Picture * picture)
{
GstNvH265Dec *self = GST_NV_H265_DEC (decoder);
GstVideoDecoder *vdec = GST_VIDEO_DECODER (decoder);
GstNvDecoderFrame *decoder_frame;
GST_LOG_OBJECT (self,
"Outputting picture %p (poc %d)", picture, picture->pic_order_cnt);
decoder_frame =
(GstNvDecoderFrame *) gst_h265_picture_get_user_data (picture);
if (!decoder_frame) {
GST_ERROR_OBJECT (self, "No decoder frame in picture %p", picture);
goto error;
}
if (!gst_nv_decoder_finish_frame (self->decoder, vdec, decoder_frame,
&frame->output_buffer)) {
GST_ERROR_OBJECT (self, "Failed to handle output picture");
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 GstNvDecoderFrame *
gst_nv_h265_dec_get_decoder_frame_from_picture (GstNvH265Dec * self,
GstH265Picture * picture)
{
GstNvDecoderFrame *frame;
frame = (GstNvDecoderFrame *) gst_h265_picture_get_user_data (picture);
if (!frame)
GST_DEBUG_OBJECT (self, "current picture does not have decoder frame");
return frame;
}
static void
gst_nv_h265_dec_picture_params_from_sps (GstNvH265Dec * self,
const GstH265SPS * sps, CUVIDHEVCPICPARAMS * params)
{
#define COPY_FIELD(f) \
(params)->f = (sps)->f
#define COPY_FIELD_WITH_PREFIX(f) \
(params)->G_PASTE(sps_,f) = (sps)->f
#define COPY_FIELD_EXTENSION(f) \
(params)->f = (sps)->sps_extnsion_params.f
params->pic_width_in_luma_samples = sps->width;
params->pic_height_in_luma_samples = sps->height;
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 (pcm_enabled_flag);
COPY_FIELD (log2_min_pcm_luma_coding_block_size_minus3);
COPY_FIELD (log2_diff_max_min_pcm_luma_coding_block_size);
COPY_FIELD (pcm_sample_bit_depth_luma_minus1);
COPY_FIELD (pcm_sample_bit_depth_chroma_minus1);
COPY_FIELD (pcm_loop_filter_disabled_flag);
COPY_FIELD (strong_intra_smoothing_enabled_flag);
COPY_FIELD (max_transform_hierarchy_depth_intra);
COPY_FIELD (max_transform_hierarchy_depth_inter);
COPY_FIELD (max_transform_hierarchy_depth_inter);
COPY_FIELD (amp_enabled_flag);
COPY_FIELD (separate_colour_plane_flag);
COPY_FIELD (log2_max_pic_order_cnt_lsb_minus4);
COPY_FIELD (num_short_term_ref_pic_sets);
COPY_FIELD (long_term_ref_pics_present_flag);
COPY_FIELD (num_long_term_ref_pics_sps);
COPY_FIELD_WITH_PREFIX (temporal_mvp_enabled_flag);
COPY_FIELD (sample_adaptive_offset_enabled_flag);
params->scaling_list_enable_flag = sps->scaling_list_enabled_flag;
COPY_FIELD (bit_depth_luma_minus8);
COPY_FIELD (bit_depth_chroma_minus8);
/* Extension fields */
COPY_FIELD (sps_range_extension_flag);
if (sps->sps_range_extension_flag) {
COPY_FIELD_EXTENSION (high_precision_offsets_enabled_flag);
COPY_FIELD_EXTENSION (transform_skip_rotation_enabled_flag);
COPY_FIELD_EXTENSION (implicit_rdpcm_enabled_flag);
COPY_FIELD_EXTENSION (explicit_rdpcm_enabled_flag);
COPY_FIELD_EXTENSION (extended_precision_processing_flag);
COPY_FIELD_EXTENSION (intra_smoothing_disabled_flag);
COPY_FIELD_EXTENSION (persistent_rice_adaptation_enabled_flag);
COPY_FIELD_EXTENSION (cabac_bypass_alignment_enabled_flag);
}
#undef COPY_FIELD
#undef COPY_FIELD_WITH_PREFIX
#undef COPY_FIELD_EXTENSION
}
static gboolean
gst_nv_h265_dec_picture_params_from_pps (GstNvH265Dec * self,
const GstH265PPS * pps, CUVIDHEVCPICPARAMS * params)
{
gint i;
#define COPY_FIELD(f) \
(params)->f = (pps)->f
#define COPY_FIELD_WITH_PREFIX(f) \
(params)->G_PASTE(pps_,f) = (pps)->f
#define COPY_FIELD_EXTENSION(f) \
(params)->f = (pps)->pps_extension_params.f
COPY_FIELD (dependent_slice_segments_enabled_flag);
COPY_FIELD (slice_segment_header_extension_present_flag);
COPY_FIELD (sign_data_hiding_enabled_flag);
COPY_FIELD (cu_qp_delta_enabled_flag);
COPY_FIELD (diff_cu_qp_delta_depth);
COPY_FIELD (init_qp_minus26);
COPY_FIELD_WITH_PREFIX (cb_qp_offset);
COPY_FIELD_WITH_PREFIX (cr_qp_offset);
COPY_FIELD (constrained_intra_pred_flag);
COPY_FIELD (weighted_pred_flag);
COPY_FIELD (weighted_bipred_flag);
COPY_FIELD (transform_skip_enabled_flag);
COPY_FIELD (transquant_bypass_enabled_flag);
COPY_FIELD (entropy_coding_sync_enabled_flag);
COPY_FIELD (log2_parallel_merge_level_minus2);
COPY_FIELD (num_extra_slice_header_bits);
COPY_FIELD (loop_filter_across_tiles_enabled_flag);
COPY_FIELD (loop_filter_across_slices_enabled_flag);
COPY_FIELD (output_flag_present_flag);
COPY_FIELD (num_ref_idx_l0_default_active_minus1);
COPY_FIELD (num_ref_idx_l1_default_active_minus1);
COPY_FIELD (lists_modification_present_flag);
COPY_FIELD (cabac_init_present_flag);
COPY_FIELD_WITH_PREFIX (slice_chroma_qp_offsets_present_flag);
COPY_FIELD (deblocking_filter_override_enabled_flag);
COPY_FIELD_WITH_PREFIX (deblocking_filter_disabled_flag);
COPY_FIELD_WITH_PREFIX (beta_offset_div2);
COPY_FIELD_WITH_PREFIX (tc_offset_div2);
COPY_FIELD (tiles_enabled_flag);
COPY_FIELD (uniform_spacing_flag);
if (pps->tiles_enabled_flag) {
guint num_tile_columns;
guint num_tile_rows;
COPY_FIELD (num_tile_columns_minus1);
COPY_FIELD (num_tile_rows_minus1);
if (pps->num_tile_columns_minus1 >
G_N_ELEMENTS (params->column_width_minus1)) {
GST_ERROR_OBJECT (self,
"Too large column_width_minus1 %d", pps->num_tile_columns_minus1);
return FALSE;
}
if (pps->num_tile_rows_minus1 > G_N_ELEMENTS (params->row_height_minus1)) {
GST_ERROR_OBJECT (self,
"Too large num_tile_rows_minus1 %d", pps->num_tile_rows_minus1);
return FALSE;
}
/* XXX: The size of column_width_minus1 array in CUVIDHEVCPICPARAMS struct
* is 21 which is inconsistent with the spec.
* Just copy values as many as possible */
num_tile_columns = MIN (pps->num_tile_columns_minus1,
G_N_ELEMENTS (pps->column_width_minus1));
num_tile_rows = MIN (pps->num_tile_rows_minus1,
G_N_ELEMENTS (pps->row_height_minus1));
for (i = 0; i < num_tile_columns; i++)
COPY_FIELD (column_width_minus1[i]);
for (i = 0; i < num_tile_rows; i++)
COPY_FIELD (row_height_minus1[i]);
}
COPY_FIELD (pps_range_extension_flag);
if (pps->pps_range_extension_flag) {
COPY_FIELD_EXTENSION (cross_component_prediction_enabled_flag);
COPY_FIELD_EXTENSION (chroma_qp_offset_list_enabled_flag);
COPY_FIELD_EXTENSION (diff_cu_chroma_qp_offset_depth);
COPY_FIELD_EXTENSION (chroma_qp_offset_list_len_minus1);
for (i = 0; i < G_N_ELEMENTS (params->cb_qp_offset_list); i++)
COPY_FIELD_EXTENSION (cb_qp_offset_list[i]);
for (i = 0; i < G_N_ELEMENTS (params->cr_qp_offset_list); i++)
COPY_FIELD_EXTENSION (cr_qp_offset_list[i]);
COPY_FIELD_EXTENSION (log2_sao_offset_scale_luma);
COPY_FIELD_EXTENSION (log2_sao_offset_scale_chroma);
}
#undef COPY_FIELD
#undef COPY_FIELD_WITH_PREFIX
#undef COPY_FIELD_EXTENSION
return TRUE;
}
static void
gst_nv_h265_dec_reset_bitstream_params (GstNvH265Dec * 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 GstFlowReturn
gst_nv_h265_dec_start_picture (GstH265Decoder * decoder,
GstH265Picture * picture, GstH265Slice * slice, GstH265Dpb * dpb)
{
GstNvH265Dec *self = GST_NV_H265_DEC (decoder);
CUVIDPICPARAMS *params = &self->params;
CUVIDHEVCPICPARAMS *h265_params = &params->CodecSpecific.hevc;
const GstH265SliceHdr *slice_header = &slice->header;
const GstH265SPS *sps;
const GstH265PPS *pps;
GstNvDecoderFrame *frame;
GArray *dpb_array;
gint num_ref_pic;
gint i, j;
const GstH265ScalingList *scaling_list = NULL;
/* both NVDEC and h265parser are using the same order */
G_STATIC_ASSERT (sizeof (scaling_list->scaling_lists_4x4) ==
sizeof (h265_params->ScalingList4x4));
G_STATIC_ASSERT (sizeof (scaling_list->scaling_lists_8x8) ==
sizeof (h265_params->ScalingList8x8));
G_STATIC_ASSERT (sizeof (scaling_list->scaling_lists_16x16) ==
sizeof (h265_params->ScalingList16x16));
G_STATIC_ASSERT (sizeof (scaling_list->scaling_lists_32x32) ==
sizeof (h265_params->ScalingList32x32));
g_return_val_if_fail (slice_header->pps != NULL, GST_FLOW_ERROR);
g_return_val_if_fail (slice_header->pps->sps != NULL, GST_FLOW_ERROR);
frame = gst_nv_h265_dec_get_decoder_frame_from_picture (self, picture);
if (!frame) {
GST_ERROR_OBJECT (self,
"Couldn't get decoder frame frame picture %p", picture);
return GST_FLOW_ERROR;
}
gst_nv_h265_dec_reset_bitstream_params (self);
pps = slice_header->pps;
sps = pps->sps;
/* FIXME: update sps/pps related params only when it's required */
params->PicWidthInMbs = sps->pic_width_in_luma_samples / 16;
params->FrameHeightInMbs = sps->pic_height_in_luma_samples / 16;
params->CurrPicIdx = frame->index;
/* nBitstreamDataLen, pBitstreamData, nNumSlices and pSliceDataOffsets
* will be set later */
params->ref_pic_flag = picture->ref;
params->intra_pic_flag = GST_H265_IS_NAL_TYPE_IRAP (slice->nalu.type);
h265_params->IrapPicFlag = GST_H265_IS_NAL_TYPE_IRAP (slice->nalu.type);
h265_params->IdrPicFlag = GST_H265_IS_NAL_TYPE_IDR (slice->nalu.type);
if (!self->last_sps || self->last_sps != sps) {
GST_DEBUG_OBJECT (self, "Update params from SPS and PPS");
gst_nv_h265_dec_picture_params_from_sps (self, sps, h265_params);
if (!gst_nv_h265_dec_picture_params_from_pps (self, pps, h265_params)) {
GST_ERROR_OBJECT (self, "Couldn't copy pps");
return GST_FLOW_ERROR;
}
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");
if (!gst_nv_h265_dec_picture_params_from_pps (self, pps, h265_params)) {
GST_ERROR_OBJECT (self, "Couldn't copy pps");
return GST_FLOW_ERROR;
}
self->last_pps = pps;
} else {
GST_TRACE_OBJECT (self, "SPS and PPS were not updated");
}
/* Fill reference */
if (decoder->NumPocStCurrBefore >
G_N_ELEMENTS (h265_params->RefPicSetStCurrBefore)) {
GST_ERROR_OBJECT (self, "Too many RefPicSetStCurrBefore");
return GST_FLOW_ERROR;
}
if (decoder->NumPocStCurrAfter >
G_N_ELEMENTS (h265_params->RefPicSetStCurrAfter)) {
GST_ERROR_OBJECT (self, "Too many RefPicSetStCurrAfter");
return GST_FLOW_ERROR;
}
if (decoder->NumPocLtCurr > G_N_ELEMENTS (h265_params->RefPicSetLtCurr)) {
GST_ERROR_OBJECT (self, "Too many RefPicSetLtCurr");
return GST_FLOW_ERROR;
}
/* Fill ref list */
h265_params->NumBitsForShortTermRPSInSlice =
slice_header->short_term_ref_pic_set_size;
h265_params->NumDeltaPocsOfRefRpsIdx =
slice_header->short_term_ref_pic_sets.NumDeltaPocsOfRefRpsIdx;
h265_params->NumPocTotalCurr = decoder->NumPicTotalCurr;
h265_params->NumPocStCurrBefore = decoder->NumPocStCurrBefore;
h265_params->NumPocStCurrAfter = decoder->NumPocStCurrAfter;
h265_params->NumPocLtCurr = decoder->NumPocLtCurr;
h265_params->CurrPicOrderCntVal = picture->pic_order_cnt;
dpb_array = gst_h265_dpb_get_pictures_all (dpb);
/* count only referenced frame */
num_ref_pic = 0;
for (i = 0; i < dpb_array->len; i++) {
GstH265Picture *other = g_array_index (dpb_array, GstH265Picture *, i);
GstNvDecoderFrame *other_frame;
gint picture_index = -1;
if (!other->ref)
continue;
if (num_ref_pic >= G_N_ELEMENTS (h265_params->RefPicIdx)) {
GST_ERROR_OBJECT (self, "Too many reference frames");
return GST_FLOW_ERROR;
}
other_frame = gst_nv_h265_dec_get_decoder_frame_from_picture (self, other);
if (other_frame)
picture_index = other_frame->index;
h265_params->RefPicIdx[num_ref_pic] = picture_index;
h265_params->PicOrderCntVal[num_ref_pic] = other->pic_order_cnt;
h265_params->IsLongTerm[num_ref_pic] = other->long_term;
num_ref_pic++;
}
g_array_unref (dpb_array);
for (i = num_ref_pic; i < G_N_ELEMENTS (h265_params->RefPicIdx); i++)
h265_params->RefPicIdx[i] = -1;
for (i = 0; i < decoder->NumPocStCurrBefore; i++) {
GstH265Picture *other;
if (!decoder->RefPicSetStCurrBefore[i]) {
GST_ERROR_OBJECT (self, "Empty RefPicSetStCurrBefore[%d]", i);
return GST_FLOW_ERROR;
}
other = decoder->RefPicSetStCurrBefore[i];
for (j = 0; j < num_ref_pic; j++) {
if (h265_params->PicOrderCntVal[j] == other->pic_order_cnt) {
h265_params->RefPicSetStCurrBefore[i] = j;
break;
}
}
}
for (i = 0; i < decoder->NumPocStCurrAfter; i++) {
GstH265Picture *other;
if (!decoder->RefPicSetStCurrAfter[i]) {
GST_ERROR_OBJECT (self, "Empty RefPicSetStCurrAfter[%d]", i);
return GST_FLOW_ERROR;
}
other = decoder->RefPicSetStCurrAfter[i];
for (j = 0; j < num_ref_pic; j++) {
if (h265_params->PicOrderCntVal[j] == other->pic_order_cnt) {
h265_params->RefPicSetStCurrAfter[i] = j;
break;
}
}
}
for (i = 0; i < decoder->NumPocLtCurr; i++) {
GstH265Picture *other;
if (!decoder->RefPicSetLtCurr[i]) {
GST_ERROR_OBJECT (self, "Empty RefPicSetLtCurr[%d]", i);
return GST_FLOW_ERROR;
}
other = decoder->RefPicSetLtCurr[i];
for (j = 0; j < num_ref_pic; j++) {
if (h265_params->PicOrderCntVal[j] == other->pic_order_cnt) {
h265_params->RefPicSetLtCurr[i] = j;
break;
}
}
}
/* Fill scaling list */
if (pps->scaling_list_data_present_flag ||
(sps->scaling_list_enabled_flag
&& !sps->scaling_list_data_present_flag)) {
scaling_list = &pps->scaling_list;
} else {
scaling_list = &sps->scaling_list;
}
memcpy (h265_params->ScalingList4x4, scaling_list->scaling_lists_4x4,
sizeof (scaling_list->scaling_lists_4x4));
memcpy (h265_params->ScalingList8x8, scaling_list->scaling_lists_8x8,
sizeof (scaling_list->scaling_lists_8x8));
memcpy (h265_params->ScalingList16x16, scaling_list->scaling_lists_16x16,
sizeof (scaling_list->scaling_lists_16x16));
memcpy (h265_params->ScalingList32x32, scaling_list->scaling_lists_32x32,
sizeof (scaling_list->scaling_lists_32x32));
for (i = 0; i < G_N_ELEMENTS (h265_params->ScalingListDCCoeff16x16); i++) {
h265_params->ScalingListDCCoeff16x16[i] =
scaling_list->scaling_list_dc_coef_minus8_16x16[i] + 8;
}
for (i = 0; i < G_N_ELEMENTS (h265_params->ScalingListDCCoeff32x32); i++) {
h265_params->ScalingListDCCoeff32x32[i] =
scaling_list->scaling_list_dc_coef_minus8_32x32[i] + 8;
}
return GST_FLOW_OK;
}
static GstFlowReturn
gst_nv_h265_dec_decode_slice (GstH265Decoder * decoder,
GstH265Picture * picture, GstH265Slice * slice,
GArray * ref_pic_list0, GArray * ref_pic_list1)
{
GstNvH265Dec *self = GST_NV_H265_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;
return GST_FLOW_OK;
}
static GstFlowReturn
gst_nv_h265_dec_end_picture (GstH265Decoder * decoder, GstH265Picture * picture)
{
GstNvH265Dec *self = GST_NV_H265_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 GST_FLOW_ERROR;
}
return GST_FLOW_OK;
}
typedef struct
{
GstCaps *sink_caps;
GstCaps *src_caps;
guint cuda_device_id;
gboolean is_default;
} GstNvH265DecClassData;
static void
gst_nv_h265_dec_subclass_init (gpointer klass, GstNvH265DecClassData * cdata)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstNvH265DecClass *nvdec_class = (GstNvH265DecClass *) (klass);
gchar *long_name;
if (cdata->is_default) {
long_name = g_strdup_printf ("NVDEC H.265 Stateless Decoder");
} else {
long_name = g_strdup_printf ("NVDEC H.265 Stateless Decoder with device %d",
cdata->cuda_device_id);
}
gst_element_class_set_metadata (element_class, long_name,
"Codec/Decoder/Video/Hardware",
"Nvidia H.265 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_h265_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;
GstNvH265DecClassData *cdata;
gboolean is_default = TRUE;
GValue value_list = G_VALUE_INIT;
GValue value = G_VALUE_INIT;
/**
* element-nvh265sldec
*
* Since: 1.18
*/
cdata = g_new0 (GstNvH265DecClassData, 1);
cdata->sink_caps = gst_caps_copy (sink_caps);
/* Update stream-format since we support packetized format as well */
g_value_init (&value_list, GST_TYPE_LIST);
g_value_init (&value, G_TYPE_STRING);
g_value_set_static_string (&value, "hev1");
gst_value_list_append_value (&value_list, &value);
g_value_set_static_string (&value, "hvc1");
gst_value_list_append_value (&value_list, &value);
g_value_set_static_string (&value, "byte-stream");
gst_value_list_append_value (&value_list, &value);
gst_caps_set_value (cdata->sink_caps, "stream-format", &value_list);
g_value_unset (&value);
g_value_unset (&value_list);
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_H265_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_h265_dec_subclass_init;
type_info.class_data = cdata;
if (is_primary) {
type_name = g_strdup ("GstNvH265StatelessPrimaryDec");
feature_name = g_strdup ("nvh265dec");
} else {
type_name = g_strdup ("GstNvH265StatelessDec");
feature_name = g_strdup ("nvh265sldec");
}
if (g_type_from_name (type_name) != 0) {
g_free (type_name);
g_free (feature_name);
if (is_primary) {
type_name =
g_strdup_printf ("GstNvH265StatelessPrimaryDevice%dDec", device_id);
feature_name = g_strdup_printf ("nvh265device%ddec", device_id);
} else {
type_name = g_strdup_printf ("GstNvH265StatelessDevice%dDec", device_id);
feature_name = g_strdup_printf ("nvh265sldevice%ddec", device_id);
}
is_default = FALSE;
}
cdata->is_default = is_default;
subtype = g_type_register_static (GST_TYPE_NV_H265_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);
}
Reference in a new issue View git blame Copy permalink