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gstreamer/gst-libs/gst/vaapi/gstvaapidecoder_h265.c
Nicolas Dufresne 06aa82f989 vaapidecode: Skip unparsable units from adapter 
If the unit could not be parsed, just skip this nal and keep parsing
what is left in the adapter. We need to flush the broken unit in the
decoder specific parser because the generic code does not know about
units boundary. This increases error resilliance.

Before this, the broken unit would stay in the adapter and EOS would be
returned. Which stopped the streaming. Just removing the EOS would have
lead to the adapter size growing indefinitely.

https://bugzilla.gnome.org/show_bug.cgi?id=796863
2018-07-25 15:52:54 -04:00

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/*
* gstvaapidecoder_h265.c - H.265 decoder
*
* Copyright (C) 2015 Intel Corporation
* Author: Sreerenj Balachandran <sreerenj.balachandran@intel.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
/**
* SECTION:gstvaapidecoder_h265
* @short_description: H.265 decoder
*/
#include "sysdeps.h"
#include <string.h>
#include <math.h>
#include <gst/base/gstadapter.h>
#include <gst/codecparsers/gsth265parser.h>
#include "gstvaapicompat.h"
#include "gstvaapidecoder_h265.h"
#include "gstvaapidecoder_objects.h"
#include "gstvaapidecoder_priv.h"
#include "gstvaapidisplay_priv.h"
#include "gstvaapiobject_priv.h"
#include "gstvaapiutils_h265_priv.h"
#define DEBUG 1
#include "gstvaapidebug.h"
/* Defined to 1 if strict ordering of DPB is needed. Only useful for debug */
#define USE_STRICT_DPB_ORDERING 0
typedef struct _GstVaapiDecoderH265Private GstVaapiDecoderH265Private;
typedef struct _GstVaapiDecoderH265Class GstVaapiDecoderH265Class;
typedef struct _GstVaapiFrameStore GstVaapiFrameStore;
typedef struct _GstVaapiFrameStoreClass GstVaapiFrameStoreClass;
typedef struct _GstVaapiParserInfoH265 GstVaapiParserInfoH265;
typedef struct _GstVaapiPictureH265 GstVaapiPictureH265;
static gboolean nal_is_slice (guint8 nal_type);
/* ------------------------------------------------------------------------- */
/* --- H.265 Parser Info --- */
/* ------------------------------------------------------------------------- */
/*
* Extended decoder unit flags:
*
* @GST_VAAPI_DECODER_UNIT_AU_START: marks the start of an access unit.
* @GST_VAAPI_DECODER_UNIT_AU_END: marks the end of an access unit.
*/
enum
{
GST_VAAPI_DECODER_UNIT_FLAG_AU_START =
(GST_VAAPI_DECODER_UNIT_FLAG_LAST << 0),
GST_VAAPI_DECODER_UNIT_FLAG_AU_END = (GST_VAAPI_DECODER_UNIT_FLAG_LAST << 1),
GST_VAAPI_DECODER_UNIT_FLAGS_AU = (GST_VAAPI_DECODER_UNIT_FLAG_AU_START |
GST_VAAPI_DECODER_UNIT_FLAG_AU_END),
};
#define GST_VAAPI_PARSER_INFO_H265(obj) \
((GstVaapiParserInfoH265 *)(obj))
struct _GstVaapiParserInfoH265
{
GstVaapiMiniObject parent_instance;
GstH265NalUnit nalu;
union
{
GstH265VPS vps;
GstH265SPS sps;
GstH265PPS pps;
GArray *sei;
GstH265SliceHdr slice_hdr;
} data;
guint state;
guint flags; // Same as decoder unit flags (persistent)
};
static void
gst_vaapi_parser_info_h265_finalize (GstVaapiParserInfoH265 * pi)
{
if (nal_is_slice (pi->nalu.type))
gst_h265_slice_hdr_free (&pi->data.slice_hdr);
else {
switch (pi->nalu.type) {
case GST_H265_NAL_VPS:
case GST_H265_NAL_SPS:
case GST_H265_NAL_PPS:
break;
case GST_H265_NAL_PREFIX_SEI:
case GST_H265_NAL_SUFFIX_SEI:
if (pi->data.sei) {
g_array_unref (pi->data.sei);
pi->data.sei = NULL;
}
break;
}
}
}
static inline const GstVaapiMiniObjectClass *
gst_vaapi_parser_info_h265_class (void)
{
static const GstVaapiMiniObjectClass GstVaapiParserInfoH265Class = {
.size = sizeof (GstVaapiParserInfoH265),
.finalize = (GDestroyNotify) gst_vaapi_parser_info_h265_finalize
};
return &GstVaapiParserInfoH265Class;
}
static inline GstVaapiParserInfoH265 *
gst_vaapi_parser_info_h265_new (void)
{
return (GstVaapiParserInfoH265 *)
gst_vaapi_mini_object_new (gst_vaapi_parser_info_h265_class ());
}
#define gst_vaapi_parser_info_h265_ref(pi) \
gst_vaapi_mini_object_ref(GST_VAAPI_MINI_OBJECT(pi))
#define gst_vaapi_parser_info_h265_unref(pi) \
gst_vaapi_mini_object_unref(GST_VAAPI_MINI_OBJECT(pi))
#define gst_vaapi_parser_info_h265_replace(old_pi_ptr, new_pi) \
gst_vaapi_mini_object_replace((GstVaapiMiniObject **)(old_pi_ptr), \
(GstVaapiMiniObject *)(new_pi))
/* ------------------------------------------------------------------------- */
/* --- H.265 Pictures --- */
/* ------------------------------------------------------------------------- */
/*
* Extended picture flags:
*
* @GST_VAAPI_PICTURE_FLAG_IDR: flag that specifies an IDR picture
* @GST_VAAPI_PICTURE_FLAG_AU_START: flag that marks the start of an
* access unit (AU)
* @GST_VAAPI_PICTURE_FLAG_AU_END: flag that marks the end of an
* access unit (AU)
* @GST_VAAPI_PICTURE_FLAG_RPS_ST_CURR_BEFORE: flag indicate the inclusion
* of picture in RefPicSetStCurrBefore reference list
* @GST_VAAPI_PICTURE_FLAG_RPS_ST_CURR_AFTER: flag indicate the inclusion
* of picture in RefPictSetStCurrAfter reference list
* @GST_VAAPI_PICTURE_FLAG_RPS_ST_FOLL: flag indicate the inclusion
* of picture in RefPicSetStFoll reference list
* @GST_VAAPI_PICTURE_FLAG_RPS_LT_CURR: flag indicate the inclusion
* of picture in RefPicSetLtCurr reference list
* @GST_VAAPI_PICTURE_FLAG_RPS_LT_FOLL: flag indicate the inclusion
* of picture in RefPicSetLtFoll reference list
* @GST_VAAPI_PICTURE_FLAG_SHORT_TERM_REFERENCE: flag that specifies
* "used for short-term reference"
* @GST_VAAPI_PICTURE_FLAG_LONG_TERM_REFERENCE: flag that specifies
* "used for long-term reference"
* @GST_VAAPI_PICTURE_FLAGS_REFERENCE: mask covering any kind of
* reference picture (short-term reference or long-term reference)
*/
enum
{
GST_VAAPI_PICTURE_FLAG_IDR = (GST_VAAPI_PICTURE_FLAG_LAST << 0),
GST_VAAPI_PICTURE_FLAG_REFERENCE2 = (GST_VAAPI_PICTURE_FLAG_LAST << 1),
GST_VAAPI_PICTURE_FLAG_AU_START = (GST_VAAPI_PICTURE_FLAG_LAST << 4),
GST_VAAPI_PICTURE_FLAG_AU_END = (GST_VAAPI_PICTURE_FLAG_LAST << 5),
GST_VAAPI_PICTURE_FLAG_RPS_ST_CURR_BEFORE =
(GST_VAAPI_PICTURE_FLAG_LAST << 6),
GST_VAAPI_PICTURE_FLAG_RPS_ST_CURR_AFTER = (GST_VAAPI_PICTURE_FLAG_LAST << 7),
GST_VAAPI_PICTURE_FLAG_RPS_ST_FOLL = (GST_VAAPI_PICTURE_FLAG_LAST << 8),
GST_VAAPI_PICTURE_FLAG_RPS_LT_CURR = (GST_VAAPI_PICTURE_FLAG_LAST << 9),
GST_VAAPI_PICTURE_FLAG_RPS_LT_FOLL = (GST_VAAPI_PICTURE_FLAG_LAST << 10),
GST_VAAPI_PICTURE_FLAG_SHORT_TERM_REFERENCE =
(GST_VAAPI_PICTURE_FLAG_REFERENCE),
GST_VAAPI_PICTURE_FLAG_LONG_TERM_REFERENCE =
(GST_VAAPI_PICTURE_FLAG_REFERENCE | GST_VAAPI_PICTURE_FLAG_REFERENCE2),
GST_VAAPI_PICTURE_FLAGS_REFERENCE =
(GST_VAAPI_PICTURE_FLAG_SHORT_TERM_REFERENCE |
GST_VAAPI_PICTURE_FLAG_LONG_TERM_REFERENCE),
GST_VAAPI_PICTURE_FLAGS_RPS_ST =
(GST_VAAPI_PICTURE_FLAG_RPS_ST_CURR_BEFORE |
GST_VAAPI_PICTURE_FLAG_RPS_ST_CURR_AFTER |
GST_VAAPI_PICTURE_FLAG_RPS_ST_FOLL),
GST_VAAPI_PICTURE_FLAGS_RPS_LT =
(GST_VAAPI_PICTURE_FLAG_RPS_LT_CURR | GST_VAAPI_PICTURE_FLAG_RPS_LT_FOLL),
};
#define GST_VAAPI_PICTURE_IS_IDR(picture) \
(GST_VAAPI_PICTURE_FLAG_IS_SET(picture, GST_VAAPI_PICTURE_FLAG_IDR))
#define GST_VAAPI_PICTURE_IS_SHORT_TERM_REFERENCE(picture) \
((GST_VAAPI_PICTURE_FLAGS(picture) & \
GST_VAAPI_PICTURE_FLAGS_REFERENCE) == \
GST_VAAPI_PICTURE_FLAG_SHORT_TERM_REFERENCE)
#define GST_VAAPI_PICTURE_IS_LONG_TERM_REFERENCE(picture) \
((GST_VAAPI_PICTURE_FLAGS(picture) & \
GST_VAAPI_PICTURE_FLAGS_REFERENCE) == \
GST_VAAPI_PICTURE_FLAG_LONG_TERM_REFERENCE)
#define GST_VAAPI_PICTURE_H265(picture) \
((GstVaapiPictureH265 *)(picture))
struct _GstVaapiPictureH265
{
GstVaapiPicture base;
GstH265SliceHdr *last_slice_hdr;
guint structure;
gint32 poc; // PicOrderCntVal (8.3.1)
gint32 poc_lsb; // slice_pic_order_cnt_lsb
guint32 pic_latency_cnt; // PicLatencyCount
guint output_flag:1;
guint output_needed:1;
guint NoRaslOutputFlag:1;
guint NoOutputOfPriorPicsFlag:1;
guint RapPicFlag:1; // nalu type between 16 and 21
guint IntraPicFlag:1; // Intra pic (only Intra slices)
};
GST_VAAPI_CODEC_DEFINE_TYPE (GstVaapiPictureH265, gst_vaapi_picture_h265);
void
gst_vaapi_picture_h265_destroy (GstVaapiPictureH265 * picture)
{
gst_vaapi_picture_destroy (GST_VAAPI_PICTURE (picture));
}
gboolean
gst_vaapi_picture_h265_create (GstVaapiPictureH265 * picture,
const GstVaapiCodecObjectConstructorArgs * args)
{
if (!gst_vaapi_picture_create (GST_VAAPI_PICTURE (picture), args))
return FALSE;
picture->structure = picture->base.structure;
picture->poc = G_MAXINT32;
picture->output_needed = FALSE;
return TRUE;
}
static inline GstVaapiPictureH265 *
gst_vaapi_picture_h265_new (GstVaapiDecoderH265 * decoder)
{
return (GstVaapiPictureH265 *)
gst_vaapi_codec_object_new (&GstVaapiPictureH265Class,
GST_VAAPI_CODEC_BASE (decoder), NULL,
sizeof (VAPictureParameterBufferHEVC), NULL, 0, 0);
}
static inline void
gst_vaapi_picture_h265_set_reference (GstVaapiPictureH265 * picture,
guint reference_flags)
{
if (!picture)
return;
GST_VAAPI_PICTURE_FLAG_UNSET (picture,
GST_VAAPI_PICTURE_FLAGS_RPS_ST | GST_VAAPI_PICTURE_FLAGS_RPS_LT);
GST_VAAPI_PICTURE_FLAG_UNSET (picture, GST_VAAPI_PICTURE_FLAGS_REFERENCE);
GST_VAAPI_PICTURE_FLAG_SET (picture, reference_flags);
}
/* ------------------------------------------------------------------------- */
/* --- Frame Buffers (DPB) --- */
/* ------------------------------------------------------------------------- */
struct _GstVaapiFrameStore
{
/*< private > */
GstVaapiMiniObject parent_instance;
GstVaapiPictureH265 *buffer;
};
static void
gst_vaapi_frame_store_finalize (gpointer object)
{
GstVaapiFrameStore *const fs = object;
gst_vaapi_picture_replace (&fs->buffer, NULL);
}
static GstVaapiFrameStore *
gst_vaapi_frame_store_new (GstVaapiPictureH265 * picture)
{
GstVaapiFrameStore *fs;
static const GstVaapiMiniObjectClass GstVaapiFrameStoreClass = {
sizeof (GstVaapiFrameStore),
gst_vaapi_frame_store_finalize
};
fs = (GstVaapiFrameStore *)
gst_vaapi_mini_object_new (&GstVaapiFrameStoreClass);
if (!fs)
return NULL;
fs->buffer = gst_vaapi_picture_ref (picture);
return fs;
}
static inline gboolean
gst_vaapi_frame_store_has_reference (GstVaapiFrameStore * fs)
{
if (GST_VAAPI_PICTURE_IS_REFERENCE (fs->buffer))
return TRUE;
return FALSE;
}
#define gst_vaapi_frame_store_ref(fs) \
gst_vaapi_mini_object_ref(GST_VAAPI_MINI_OBJECT(fs))
#define gst_vaapi_frame_store_unref(fs) \
gst_vaapi_mini_object_unref(GST_VAAPI_MINI_OBJECT(fs))
#define gst_vaapi_frame_store_replace(old_fs_p, new_fs) \
gst_vaapi_mini_object_replace((GstVaapiMiniObject **)(old_fs_p), \
(GstVaapiMiniObject *)(new_fs))
/* ------------------------------------------------------------------------- */
/* --- H.265 Decoder --- */
/* ------------------------------------------------------------------------- */
#define GST_VAAPI_DECODER_H265_CAST(decoder) \
((GstVaapiDecoderH265 *)(decoder))
typedef enum
{
GST_H265_VIDEO_STATE_GOT_VPS = 1 << 0,
GST_H265_VIDEO_STATE_GOT_SPS = 1 << 1,
GST_H265_VIDEO_STATE_GOT_PPS = 1 << 2,
GST_H265_VIDEO_STATE_GOT_SLICE = 1 << 3,
GST_H265_VIDEO_STATE_VALID_PICTURE_HEADERS =
(GST_H265_VIDEO_STATE_GOT_SPS | GST_H265_VIDEO_STATE_GOT_PPS),
GST_H265_VIDEO_STATE_VALID_PICTURE =
(GST_H265_VIDEO_STATE_VALID_PICTURE_HEADERS |
GST_H265_VIDEO_STATE_GOT_SLICE)
} GstH265VideoState;
struct _GstVaapiDecoderH265Private
{
GstH265Parser *parser;
guint parser_state;
guint decoder_state;
GstVaapiStreamAlignH265 stream_alignment;
GstVaapiPictureH265 *current_picture;
GstVaapiParserInfoH265 *vps[GST_H265_MAX_VPS_COUNT];
GstVaapiParserInfoH265 *active_vps;
GstVaapiParserInfoH265 *sps[GST_H265_MAX_SPS_COUNT];
GstVaapiParserInfoH265 *active_sps;
GstVaapiParserInfoH265 *pps[GST_H265_MAX_PPS_COUNT];
GstVaapiParserInfoH265 *active_pps;
GstVaapiParserInfoH265 *prev_pi;
GstVaapiParserInfoH265 *prev_slice_pi;
GstVaapiParserInfoH265 *prev_independent_slice_pi;
GstVaapiFrameStore **dpb;
guint dpb_count;
guint dpb_size;
guint dpb_size_max;
GstVaapiProfile profile;
GstVaapiEntrypoint entrypoint;
GstVaapiChromaType chroma_type;
GstVaapiPictureH265 *RefPicSetStCurrBefore[16];
GstVaapiPictureH265 *RefPicSetStCurrAfter[16];
GstVaapiPictureH265 *RefPicSetStFoll[16];
GstVaapiPictureH265 *RefPicSetLtCurr[16];
GstVaapiPictureH265 *RefPicSetLtFoll[16];
GstVaapiPictureH265 *RefPicList0[16];
guint RefPicList0_count;
GstVaapiPictureH265 *RefPicList1[16];
guint RefPicList1_count;
guint32 SpsMaxLatencyPictures;
gint32 WpOffsetHalfRangeC;
guint nal_length_size;
guint pic_width_in_luma_samples; //sps->pic_width_in_luma_samples
guint pic_height_in_luma_samples; //sps->pic_height_in_luma_samples
guint pic_structure; // pic_struct (from SEI pic_timing() or inferred)
gint32 poc; // PicOrderCntVal
gint32 poc_msb; // PicOrderCntMsb
gint32 poc_lsb; // pic_order_cnt_lsb (from slice_header())
gint32 prev_poc_msb; // prevPicOrderCntMsb
gint32 prev_poc_lsb; // prevPicOrderCntLsb
gint32 prev_tid0pic_poc_lsb;
gint32 prev_tid0pic_poc_msb;
gint32 PocStCurrBefore[16];
gint32 PocStCurrAfter[16];
gint32 PocStFoll[16];
gint32 PocLtCurr[16];
gint32 PocLtFoll[16];
guint NumPocStCurrBefore;
guint NumPocStCurrAfter;
guint NumPocStFoll;
guint NumPocLtCurr;
guint NumPocLtFoll;
guint NumPocTotalCurr;
guint is_opened:1;
guint is_hvcC:1;
guint has_context:1;
guint progressive_sequence:1;
guint new_bitstream:1;
guint prev_nal_is_eos:1; /*previous nal type is EOS */
guint associated_irap_NoRaslOutputFlag:1;
};
/**
* GstVaapiDecoderH265:
*
* A decoder based on H265.
*/
struct _GstVaapiDecoderH265
{
/*< private > */
GstVaapiDecoder parent_instance;
GstVaapiDecoderH265Private priv;
};
/**
* GstVaapiDecoderH265Class:
*
* A decoder class based on H265.
*/
struct _GstVaapiDecoderH265Class
{
/*< private > */
GstVaapiDecoderClass parent_class;
};
#define RSV_VCL_N10 10
#define RSV_VCL_N12 12
#define RSV_VCL_N14 14
static gboolean
nal_is_idr (guint8 nal_type)
{
if ((nal_type == GST_H265_NAL_SLICE_IDR_W_RADL) ||
(nal_type == GST_H265_NAL_SLICE_IDR_N_LP))
return TRUE;
return FALSE;
}
static gboolean
nal_is_irap (guint8 nal_type)
{
if ((nal_type >= GST_H265_NAL_SLICE_BLA_W_LP) &&
(nal_type <= RESERVED_IRAP_NAL_TYPE_MAX))
return TRUE;
return FALSE;
}
static gboolean
nal_is_bla (guint8 nal_type)
{
if ((nal_type >= GST_H265_NAL_SLICE_BLA_W_LP) &&
(nal_type <= GST_H265_NAL_SLICE_BLA_N_LP))
return TRUE;
return FALSE;
}
static gboolean
nal_is_cra (guint8 nal_type)
{
if (nal_type == GST_H265_NAL_SLICE_CRA_NUT)
return TRUE;
return FALSE;
}
static gboolean
nal_is_radl (guint8 nal_type)
{
if ((nal_type >= GST_H265_NAL_SLICE_RADL_N) &&
(nal_type <= GST_H265_NAL_SLICE_RADL_R))
return TRUE;
return FALSE;
}
static gboolean
nal_is_rasl (guint8 nal_type)
{
if ((nal_type >= GST_H265_NAL_SLICE_RASL_N) &&
(nal_type <= GST_H265_NAL_SLICE_RASL_R))
return TRUE;
return FALSE;
}
static gboolean
nal_is_slice (guint8 nal_type)
{
if ((nal_type >= GST_H265_NAL_SLICE_TRAIL_N) &&
(nal_type <= GST_H265_NAL_SLICE_CRA_NUT))
return TRUE;
return FALSE;
}
static gboolean
nal_is_ref (guint8 nal_type)
{
gboolean ret = FALSE;
switch (nal_type) {
case GST_H265_NAL_SLICE_TRAIL_N:
case GST_H265_NAL_SLICE_TSA_N:
case GST_H265_NAL_SLICE_STSA_N:
case GST_H265_NAL_SLICE_RADL_N:
case GST_H265_NAL_SLICE_RASL_N:
case RSV_VCL_N10:
case RSV_VCL_N12:
case RSV_VCL_N14:
ret = FALSE;
break;
default:
ret = TRUE;
break;
}
return ret;
}
/* Activates the supplied PPS */
static GstH265PPS *
ensure_pps (GstVaapiDecoderH265 * decoder, GstH265PPS * pps)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiParserInfoH265 *const pi = priv->pps[pps->id];
gst_vaapi_parser_info_h265_replace (&priv->active_pps, pi);
return pi ? &pi->data.pps : NULL;
}
/* Returns the active PPS */
static inline GstH265PPS *
get_pps (GstVaapiDecoderH265 * decoder)
{
GstVaapiParserInfoH265 *const pi = decoder->priv.active_pps;
return pi ? &pi->data.pps : NULL;
}
/* Activate the supplied SPS */
static GstH265SPS *
ensure_sps (GstVaapiDecoderH265 * decoder, GstH265SPS * sps)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiParserInfoH265 *const pi = priv->sps[sps->id];
gst_vaapi_parser_info_h265_replace (&priv->active_sps, pi);
return pi ? &pi->data.sps : NULL;
}
/* Returns the active SPS */
static inline GstH265SPS *
get_sps (GstVaapiDecoderH265 * decoder)
{
GstVaapiParserInfoH265 *const pi = decoder->priv.active_sps;
return pi ? &pi->data.sps : NULL;
}
/* VPS nal is not necessary to decode the base layers, so this is not
* needed at the moment. But in future we need this, especially when
* dealing with MVC and scalable layer decoding.
* See https://bugzilla.gnome.org/show_bug.cgi?id=754250
*/
#if 0
/* Activate the supplied VPS */
static GstH265VPS *
ensure_vps (GstVaapiDecoderH265 * decoder, GstH265VPS * vps)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiParserInfoH265 *const pi = priv->vps[vps->id];
gst_vaapi_parser_info_h265_replace (&priv->active_vps, pi);
return pi ? &pi->data.vps : NULL;
}
/* Returns the active VPS */
static inline GstH265VPS *
get_vps (GstVaapiDecoderH265 * decoder)
{
GstVaapiParserInfoH265 *const pi = decoder->priv.active_vps;
return pi ? &pi->data.vps : NULL;
}
#endif
/* Get number of reference frames to use */
static guint
get_max_dec_frame_buffering (GstH265SPS * sps)
{
G_GNUC_UNUSED guint max_dec_frame_buffering; /* FIXME */
GstVaapiLevelH265 level;
const GstVaapiH265LevelLimits *level_limits;
level = gst_vaapi_utils_h265_get_level (sps->profile_tier_level.level_idc);
level_limits = gst_vaapi_utils_h265_get_level_limits (level);
if (G_UNLIKELY (!level_limits)) {
GST_FIXME ("unsupported level_idc value (%d)",
sps->profile_tier_level.level_idc);
max_dec_frame_buffering = 16;
}
/* FIXME: Add limit check based on Annex A */
/* Assuming HighestTid as sps_max_sub_layers_minus1 */
return MAX (1,
(sps->max_dec_pic_buffering_minus1[sps->max_sub_layers_minus1] + 1));
}
static void
dpb_remove_all (GstVaapiDecoderH265 * decoder)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
while (priv->dpb_count > 0)
gst_vaapi_frame_store_replace (&priv->dpb[--priv->dpb_count], NULL);
}
static void
dpb_remove_index (GstVaapiDecoderH265 * decoder, gint index)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
guint i, num_frames = --priv->dpb_count;
if (USE_STRICT_DPB_ORDERING) {
for (i = index; i < num_frames; i++)
gst_vaapi_frame_store_replace (&priv->dpb[i], priv->dpb[i + 1]);
} else if (index != num_frames)
gst_vaapi_frame_store_replace (&priv->dpb[index], priv->dpb[num_frames]);
gst_vaapi_frame_store_replace (&priv->dpb[num_frames], NULL);
}
static gboolean
dpb_output (GstVaapiDecoderH265 * decoder, GstVaapiFrameStore * fs)
{
GstVaapiPictureH265 *picture;
g_return_val_if_fail (fs != NULL, FALSE);
picture = fs->buffer;
g_return_val_if_fail (picture != NULL, FALSE);
picture->output_needed = FALSE;
return gst_vaapi_picture_output (GST_VAAPI_PICTURE_CAST (picture));
}
/* Get the dpb picture having the specifed poc or poc_lsb */
static GstVaapiPictureH265 *
dpb_get_picture (GstVaapiDecoderH265 * decoder, gint poc, gboolean match_lsb)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
guint i;
for (i = 0; i < priv->dpb_count; i++) {
GstVaapiPictureH265 *const picture = priv->dpb[i]->buffer;
if (picture && GST_VAAPI_PICTURE_FLAG_IS_SET (picture,
GST_VAAPI_PICTURE_FLAGS_REFERENCE)) {
if (match_lsb) {
if (picture->poc_lsb == poc)
return picture;
} else {
if (picture->poc == poc)
return picture;
}
}
}
return NULL;
}
/* Get the dpb picture having the specifed poc and shor/long ref flags */
static GstVaapiPictureH265 *
dpb_get_ref_picture (GstVaapiDecoderH265 * decoder, gint poc, gboolean is_short)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
guint i;
for (i = 0; i < priv->dpb_count; i++) {
GstVaapiPictureH265 *const picture = priv->dpb[i]->buffer;
if (picture && picture->poc == poc) {
if (is_short && GST_VAAPI_PICTURE_IS_SHORT_TERM_REFERENCE (picture))
return picture;
else if (GST_VAAPI_PICTURE_IS_LONG_TERM_REFERENCE (picture))
return picture;
}
}
return NULL;
}
/* Finds the picture with the lowest POC that needs to be output */
static gint
dpb_find_lowest_poc (GstVaapiDecoderH265 * decoder,
GstVaapiPictureH265 ** found_picture_ptr)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiPictureH265 *found_picture = NULL;
guint i, found_index = -1;
for (i = 0; i < priv->dpb_count; i++) {
GstVaapiPictureH265 *const picture = priv->dpb[i]->buffer;
if (picture && !picture->output_needed)
continue;
if (picture && (!found_picture || found_picture->poc > picture->poc)) {
found_picture = picture;
found_index = i;
}
}
if (found_picture_ptr)
*found_picture_ptr = found_picture;
return found_index;
}
static gboolean
dpb_bump (GstVaapiDecoderH265 * decoder, GstVaapiPictureH265 * picture)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiPictureH265 *found_picture;
gint found_index;
gboolean success;
found_index = dpb_find_lowest_poc (decoder, &found_picture);
if (found_index < 0)
return FALSE;
success = dpb_output (decoder, priv->dpb[found_index]);
if (!gst_vaapi_frame_store_has_reference (priv->dpb[found_index]))
dpb_remove_index (decoder, found_index);
return success;
}
static void
dpb_clear (GstVaapiDecoderH265 * decoder, gboolean hard_flush)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiPictureH265 *pic;
guint i;
if (hard_flush) {
dpb_remove_all (decoder);
} else {
/* Remove unused pictures from DPB */
i = 0;
while (i < priv->dpb_count) {
GstVaapiFrameStore *const fs = priv->dpb[i];
pic = fs->buffer;
if (!pic->output_needed && !gst_vaapi_frame_store_has_reference (fs))
dpb_remove_index (decoder, i);
else
i++;
}
}
}
static void
dpb_flush (GstVaapiDecoderH265 * decoder)
{
/* Output any frame remaining in DPB */
while (dpb_bump (decoder, NULL));
dpb_clear (decoder, TRUE);
}
static gint
dpb_get_num_need_output (GstVaapiDecoderH265 * decoder)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
guint i = 0, n_output_needed = 0;
while (i < priv->dpb_count) {
GstVaapiFrameStore *const fs = priv->dpb[i];
if (fs->buffer->output_needed)
n_output_needed++;
i++;
}
return n_output_needed;
}
static gboolean
check_latency_cnt (GstVaapiDecoderH265 * decoder)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiPictureH265 *tmp_pic;
guint i = 0;
while (i < priv->dpb_count) {
GstVaapiFrameStore *const fs = priv->dpb[i];
tmp_pic = fs->buffer;
if (tmp_pic->output_needed) {
if (tmp_pic->pic_latency_cnt >= priv->SpsMaxLatencyPictures)
return TRUE;
}
i++;
}
return FALSE;
}
static gboolean
dpb_add (GstVaapiDecoderH265 * decoder, GstVaapiPictureH265 * picture)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstH265SPS *const sps = get_sps (decoder);
GstVaapiFrameStore *fs;
GstVaapiPictureH265 *tmp_pic;
guint i = 0;
/* C.5.2.3 */
if (picture->output_flag) {
while (i < priv->dpb_count) {
GstVaapiFrameStore *const fs = priv->dpb[i];
tmp_pic = fs->buffer;
if (tmp_pic->output_needed)
tmp_pic->pic_latency_cnt += 1;
i++;
}
}
/* Create new frame store */
fs = gst_vaapi_frame_store_new (picture);
if (!fs)
return FALSE;
gst_vaapi_frame_store_replace (&priv->dpb[priv->dpb_count++], fs);
gst_vaapi_frame_store_unref (fs);
if (picture->output_flag) {
picture->output_needed = 1;
picture->pic_latency_cnt = 0;
} else
picture->output_needed = 0;
/* set pic as short_term_ref */
gst_vaapi_picture_h265_set_reference (picture,
GST_VAAPI_PICTURE_FLAG_SHORT_TERM_REFERENCE);
/* C.5.2.4 "Bumping" process */
while ((dpb_get_num_need_output (decoder) >
sps->max_num_reorder_pics[sps->max_sub_layers_minus1])
|| (sps->max_latency_increase_plus1[sps->max_sub_layers_minus1]
&& check_latency_cnt (decoder)))
dpb_bump (decoder, picture);
return TRUE;
}
/* C.5.2.2 */
static gboolean
dpb_init (GstVaapiDecoderH265 * decoder, GstVaapiPictureH265 * picture,
GstVaapiParserInfoH265 * pi)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstH265SliceHdr *const slice_hdr = &pi->data.slice_hdr;
GstH265SPS *const sps = get_sps (decoder);
if (nal_is_irap (pi->nalu.type)
&& picture->NoRaslOutputFlag && !priv->new_bitstream) {
if (pi->nalu.type == GST_H265_NAL_SLICE_CRA_NUT)
picture->NoOutputOfPriorPicsFlag = 1;
else
picture->NoOutputOfPriorPicsFlag =
slice_hdr->no_output_of_prior_pics_flag;
if (picture->NoOutputOfPriorPicsFlag)
dpb_clear (decoder, TRUE);
else {
dpb_clear (decoder, FALSE);
while (dpb_bump (decoder, NULL));
}
} else {
dpb_clear (decoder, FALSE);
while ((dpb_get_num_need_output (decoder) >
sps->max_num_reorder_pics[sps->max_sub_layers_minus1])
|| (sps->max_latency_increase_plus1[sps->max_sub_layers_minus1]
&& check_latency_cnt (decoder))
|| (priv->dpb_count >=
(sps->max_dec_pic_buffering_minus1[sps->max_sub_layers_minus1] +
1))) {
dpb_bump (decoder, picture);
}
}
return TRUE;
}
static gboolean
dpb_reset (GstVaapiDecoderH265 * decoder, guint dpb_size)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
if (dpb_size > priv->dpb_size_max) {
priv->dpb = g_try_realloc_n (priv->dpb, dpb_size, sizeof (*priv->dpb));
if (!priv->dpb)
return FALSE;
memset (&priv->dpb[priv->dpb_size_max], 0,
(dpb_size - priv->dpb_size_max) * sizeof (*priv->dpb));
priv->dpb_size_max = dpb_size;
}
priv->dpb_size = dpb_size;
GST_DEBUG ("DPB size %u", priv->dpb_size);
return TRUE;
}
static GstVaapiDecoderStatus
get_status (GstH265ParserResult result)
{
GstVaapiDecoderStatus status;
switch (result) {
case GST_H265_PARSER_OK:
status = GST_VAAPI_DECODER_STATUS_SUCCESS;
break;
case GST_H265_PARSER_NO_NAL_END:
status = GST_VAAPI_DECODER_STATUS_ERROR_NO_DATA;
break;
case GST_H265_PARSER_ERROR:
status = GST_VAAPI_DECODER_STATUS_ERROR_BITSTREAM_PARSER;
break;
default:
status = GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
break;
}
return status;
}
static void
gst_vaapi_decoder_h265_close (GstVaapiDecoderH265 * decoder)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
gst_vaapi_picture_replace (&priv->current_picture, NULL);
gst_vaapi_parser_info_h265_replace (&priv->prev_slice_pi, NULL);
gst_vaapi_parser_info_h265_replace (&priv->prev_independent_slice_pi, NULL);
gst_vaapi_parser_info_h265_replace (&priv->prev_pi, NULL);
dpb_clear (decoder, TRUE);
if (priv->parser) {
gst_h265_parser_free (priv->parser);
priv->parser = NULL;
}
priv->is_opened = FALSE;
}
static gboolean
gst_vaapi_decoder_h265_open (GstVaapiDecoderH265 * decoder)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
gst_vaapi_decoder_h265_close (decoder);
priv->parser = gst_h265_parser_new ();
if (!priv->parser)
return FALSE;
return TRUE;
}
static void
gst_vaapi_decoder_h265_destroy (GstVaapiDecoder * base_decoder)
{
GstVaapiDecoderH265 *const decoder =
GST_VAAPI_DECODER_H265_CAST (base_decoder);
GstVaapiDecoderH265Private *const priv = &decoder->priv;
guint i;
gst_vaapi_decoder_h265_close (decoder);
g_free (priv->dpb);
priv->dpb = NULL;
priv->dpb_count = priv->dpb_size_max = priv->dpb_size = 0;
for (i = 0; i < G_N_ELEMENTS (priv->pps); i++)
gst_vaapi_parser_info_h265_replace (&priv->pps[i], NULL);
gst_vaapi_parser_info_h265_replace (&priv->active_pps, NULL);
for (i = 0; i < G_N_ELEMENTS (priv->sps); i++)
gst_vaapi_parser_info_h265_replace (&priv->sps[i], NULL);
gst_vaapi_parser_info_h265_replace (&priv->active_sps, NULL);
for (i = 0; i < G_N_ELEMENTS (priv->vps); i++)
gst_vaapi_parser_info_h265_replace (&priv->vps[i], NULL);
gst_vaapi_parser_info_h265_replace (&priv->active_vps, NULL);
}
static gboolean
gst_vaapi_decoder_h265_create (GstVaapiDecoder * base_decoder)
{
GstVaapiDecoderH265 *const decoder =
GST_VAAPI_DECODER_H265_CAST (base_decoder);
GstVaapiDecoderH265Private *const priv = &decoder->priv;
priv->profile = GST_VAAPI_PROFILE_UNKNOWN;
priv->entrypoint = GST_VAAPI_ENTRYPOINT_VLD;
priv->chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420;
priv->progressive_sequence = TRUE;
priv->new_bitstream = TRUE;
priv->prev_nal_is_eos = FALSE;
return TRUE;
}
static void
fill_profiles (GstVaapiProfile profiles[16], guint * n_profiles_ptr,
GstVaapiProfile profile)
{
guint n_profiles = *n_profiles_ptr;
profiles[n_profiles++] = profile;
switch (profile) {
case GST_VAAPI_PROFILE_H265_MAIN:
profiles[n_profiles++] = GST_VAAPI_PROFILE_H265_MAIN10;
break;
case GST_VAAPI_PROFILE_H265_MAIN_STILL_PICTURE:
profiles[n_profiles++] = GST_VAAPI_PROFILE_H265_MAIN;
profiles[n_profiles++] = GST_VAAPI_PROFILE_H265_MAIN10;
break;
default:
break;
}
*n_profiles_ptr = n_profiles;
}
static GstVaapiProfile
get_profile (GstVaapiDecoderH265 * decoder, GstH265SPS * sps, guint dpb_size)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiDisplay *const display = GST_VAAPI_DECODER_DISPLAY (decoder);
GstVaapiProfile profile, profiles[3];
guint i, n_profiles = 0;
profile =
gst_vaapi_utils_h265_get_profile (sps->profile_tier_level.profile_idc);
if (!profile) {
/* HACK: This is a work-around to identify some main profile streams having wrong profile_idc.
* There are some wrongly encoded main profile streams(eg: ENTP_C_LG_3.bin) which doesn't
* have any of the profile_idc values mentioned in Annex-A, instead general_profile_idc
* has been set as zero and having general_profile_compatibility_flag[general_profile_idc]
* is TRUE. Assuming them as MAIN profile for now */
if (sps->profile_tier_level.profile_space == 0 &&
sps->profile_tier_level.profile_idc == 0 &&
sps->profile_tier_level.profile_compatibility_flag[0] == 1) {
GST_WARNING ("Wrong profile_idc, blindly setting it as main profile !!");
profile = GST_VAAPI_PROFILE_H265_MAIN;
} else
return GST_VAAPI_PROFILE_UNKNOWN;
}
fill_profiles (profiles, &n_profiles, profile);
switch (profile) {
case GST_VAAPI_PROFILE_H265_MAIN10:
if (sps->profile_tier_level.profile_compatibility_flag[1]) { // A.2.3.2 (main profile)
fill_profiles (profiles, &n_profiles, GST_VAAPI_PROFILE_H265_MAIN);
}
break;
default:
break;
}
/* If the preferred profile (profiles[0]) matches one that we already
found, then just return it now instead of searching for it again */
if (profiles[0] == priv->profile)
return priv->profile;
for (i = 0; i < n_profiles; i++) {
if (gst_vaapi_display_has_decoder (display, profiles[i], priv->entrypoint))
return profiles[i];
}
return GST_VAAPI_PROFILE_UNKNOWN;
}
static GstVaapiDecoderStatus
ensure_context (GstVaapiDecoderH265 * decoder, GstH265SPS * sps)
{
GstVaapiDecoder *const base_decoder = GST_VAAPI_DECODER_CAST (decoder);
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiContextInfo info;
GstVaapiProfile profile;
GstVaapiChromaType chroma_type;
gboolean reset_context = FALSE;
guint dpb_size;
dpb_size = get_max_dec_frame_buffering (sps);
if (priv->dpb_size < dpb_size) {
GST_DEBUG ("DPB size increased");
reset_context = TRUE;
}
profile = get_profile (decoder, sps, dpb_size);
if (!profile) {
GST_ERROR ("unsupported profile_idc %u",
sps->profile_tier_level.profile_idc);
return GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_PROFILE;
}
if (!priv->profile || (priv->profile != profile)) {
GST_DEBUG ("profile changed");
reset_context = TRUE;
priv->profile = profile;
}
chroma_type =
gst_vaapi_utils_h265_get_chroma_type (sps->chroma_format_idc,
sps->bit_depth_luma_minus8 + 8);
if (!chroma_type) {
GST_ERROR ("unsupported chroma_format_idc %u", sps->chroma_format_idc);
return GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_CHROMA_FORMAT;
}
if (priv->chroma_type != chroma_type) {
GST_DEBUG ("chroma format changed");
reset_context = TRUE;
priv->chroma_type = chroma_type;
}
if (priv->pic_width_in_luma_samples != sps->pic_width_in_luma_samples ||
priv->pic_height_in_luma_samples != sps->pic_height_in_luma_samples) {
GST_DEBUG ("size changed");
reset_context = TRUE;
priv->pic_width_in_luma_samples = sps->pic_width_in_luma_samples;
priv->pic_height_in_luma_samples = sps->pic_height_in_luma_samples;
}
priv->progressive_sequence = 1; /* FIXME */
gst_vaapi_decoder_set_interlaced (base_decoder, !priv->progressive_sequence);
gst_vaapi_decoder_set_pixel_aspect_ratio (base_decoder,
sps->vui_params.par_n, sps->vui_params.par_d);
if (!reset_context && priv->has_context)
return GST_VAAPI_DECODER_STATUS_SUCCESS;
/* XXX: fix surface size when cropping is implemented */
info.profile = priv->profile;
info.entrypoint = priv->entrypoint;
info.chroma_type = priv->chroma_type;
info.width = sps->width;
info.height = sps->height;
info.ref_frames = dpb_size;
if (!gst_vaapi_decoder_ensure_context (GST_VAAPI_DECODER (decoder), &info))
return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
priv->has_context = TRUE;
/* Reset DPB */
if (!dpb_reset (decoder, dpb_size))
return GST_VAAPI_DECODER_STATUS_ERROR_ALLOCATION_FAILED;
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static void
fill_iq_matrix_4x4 (VAIQMatrixBufferHEVC * iq_matrix,
GstH265ScalingList * scaling_list)
{
guint i;
g_assert (G_N_ELEMENTS (iq_matrix->ScalingList4x4) == 6);
g_assert (G_N_ELEMENTS (iq_matrix->ScalingList4x4[0]) == 16);
for (i = 0; i < G_N_ELEMENTS (iq_matrix->ScalingList4x4); i++) {
gst_h265_quant_matrix_4x4_get_raster_from_uprightdiagonal
(iq_matrix->ScalingList4x4[i], scaling_list->scaling_lists_4x4[i]);
}
}
static void
fill_iq_matrix_8x8 (VAIQMatrixBufferHEVC * iq_matrix,
GstH265ScalingList * scaling_list)
{
guint i;
g_assert (G_N_ELEMENTS (iq_matrix->ScalingList8x8) == 6);
g_assert (G_N_ELEMENTS (iq_matrix->ScalingList8x8[0]) == 64);
for (i = 0; i < G_N_ELEMENTS (iq_matrix->ScalingList8x8); i++) {
gst_h265_quant_matrix_8x8_get_raster_from_uprightdiagonal
(iq_matrix->ScalingList8x8[i], scaling_list->scaling_lists_8x8[i]);
}
}
static void
fill_iq_matrix_16x16 (VAIQMatrixBufferHEVC * iq_matrix,
GstH265ScalingList * scaling_list)
{
guint i;
g_assert (G_N_ELEMENTS (iq_matrix->ScalingList16x16) == 6);
g_assert (G_N_ELEMENTS (iq_matrix->ScalingList16x16[0]) == 64);
for (i = 0; i < G_N_ELEMENTS (iq_matrix->ScalingList16x16); i++) {
gst_h265_quant_matrix_16x16_get_raster_from_uprightdiagonal
(iq_matrix->ScalingList16x16[i], scaling_list->scaling_lists_16x16[i]);
}
}
static void
fill_iq_matrix_32x32 (VAIQMatrixBufferHEVC * iq_matrix,
GstH265ScalingList * scaling_list)
{
guint i;
g_assert (G_N_ELEMENTS (iq_matrix->ScalingList32x32) == 2);
g_assert (G_N_ELEMENTS (iq_matrix->ScalingList32x32[0]) == 64);
for (i = 0; i < G_N_ELEMENTS (iq_matrix->ScalingList32x32); i++) {
gst_h265_quant_matrix_32x32_get_raster_from_uprightdiagonal
(iq_matrix->ScalingList32x32[i], scaling_list->scaling_lists_32x32[i]);
}
}
static void
fill_iq_matrix_dc_16x16 (VAIQMatrixBufferHEVC * iq_matrix,
GstH265ScalingList * scaling_list)
{
guint i;
for (i = 0; i < 6; i++)
iq_matrix->ScalingListDC16x16[i] =
scaling_list->scaling_list_dc_coef_minus8_16x16[i] + 8;
}
static void
fill_iq_matrix_dc_32x32 (VAIQMatrixBufferHEVC * iq_matrix,
GstH265ScalingList * scaling_list)
{
guint i;
for (i = 0; i < 2; i++)
iq_matrix->ScalingListDC32x32[i] =
scaling_list->scaling_list_dc_coef_minus8_32x32[i] + 8;
}
static GstVaapiDecoderStatus
ensure_quant_matrix (GstVaapiDecoderH265 * decoder,
GstVaapiPictureH265 * picture)
{
GstVaapiPicture *const base_picture = &picture->base;
GstH265PPS *const pps = get_pps (decoder);
GstH265SPS *const sps = get_sps (decoder);
GstH265ScalingList *scaling_list = NULL;
VAIQMatrixBufferHEVC *iq_matrix;
if (pps &&
(pps->scaling_list_data_present_flag ||
(sps->scaling_list_enabled_flag
&& !sps->scaling_list_data_present_flag)))
scaling_list = &pps->scaling_list;
else if (sps && sps->scaling_list_enabled_flag
&& sps->scaling_list_data_present_flag)
scaling_list = &sps->scaling_list;
else
return GST_VAAPI_DECODER_STATUS_SUCCESS;
base_picture->iq_matrix = GST_VAAPI_IQ_MATRIX_NEW (HEVC, decoder);
if (!base_picture->iq_matrix) {
GST_ERROR ("failed to allocate IQ matrix");
return GST_VAAPI_DECODER_STATUS_ERROR_ALLOCATION_FAILED;
}
iq_matrix = base_picture->iq_matrix->param;
/* Only supporting 4:2:0 */
if (sps->chroma_format_idc != 1)
return GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_CHROMA_FORMAT;
fill_iq_matrix_4x4 (iq_matrix, scaling_list);
fill_iq_matrix_8x8 (iq_matrix, scaling_list);
fill_iq_matrix_16x16 (iq_matrix, scaling_list);
fill_iq_matrix_32x32 (iq_matrix, scaling_list);
fill_iq_matrix_dc_16x16 (iq_matrix, scaling_list);
fill_iq_matrix_dc_32x32 (iq_matrix, scaling_list);
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static inline gboolean
is_valid_state (guint state, guint ref_state)
{
return (state & ref_state) == ref_state;
}
static GstVaapiDecoderStatus
decode_current_picture (GstVaapiDecoderH265 * decoder)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiPictureH265 *const picture = priv->current_picture;
if (!is_valid_state (priv->decoder_state, GST_H265_VIDEO_STATE_VALID_PICTURE)) {
goto drop_frame;
}
priv->decoder_state = 0;
/* FIXME: Use SEI header values */
priv->pic_structure = GST_VAAPI_PICTURE_STRUCTURE_FRAME;
if (!picture)
return GST_VAAPI_DECODER_STATUS_SUCCESS;
if (!gst_vaapi_picture_decode (GST_VAAPI_PICTURE_CAST (picture)))
goto error;
if (!dpb_add (decoder, picture))
goto error;
gst_vaapi_picture_replace (&priv->current_picture, NULL);
return GST_VAAPI_DECODER_STATUS_SUCCESS;
/* ERRORS */
error:
{
gst_vaapi_picture_replace (&priv->current_picture, NULL);
return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
}
drop_frame:
{
priv->decoder_state = 0;
priv->pic_structure = GST_VAAPI_PICTURE_STRUCTURE_FRAME;
return (GstVaapiDecoderStatus) GST_VAAPI_DECODER_STATUS_DROP_FRAME;
}
}
static GstVaapiDecoderStatus
parse_vps (GstVaapiDecoderH265 * decoder, GstVaapiDecoderUnit * unit)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiParserInfoH265 *const pi = unit->parsed_info;
GstH265VPS *const vps = &pi->data.vps;
GstH265ParserResult result;
GST_DEBUG ("parse VPS");
priv->parser_state = 0;
memset (vps, 0, sizeof (GstH265VPS));
result = gst_h265_parser_parse_vps (priv->parser, &pi->nalu, vps);
if (result != GST_H265_PARSER_OK)
return get_status (result);
priv->parser_state |= GST_H265_VIDEO_STATE_GOT_VPS;
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static GstVaapiDecoderStatus
parse_sps (GstVaapiDecoderH265 * decoder, GstVaapiDecoderUnit * unit)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiParserInfoH265 *const pi = unit->parsed_info;
GstH265SPS *const sps = &pi->data.sps;
GstH265ParserResult result;
GST_DEBUG ("parse SPS");
priv->parser_state = 0;
memset (sps, 0, sizeof (GstH265SPS));
result = gst_h265_parser_parse_sps (priv->parser, &pi->nalu, sps, TRUE);
if (result != GST_H265_PARSER_OK)
return get_status (result);
priv->parser_state |= GST_H265_VIDEO_STATE_GOT_SPS;
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static GstVaapiDecoderStatus
parse_pps (GstVaapiDecoderH265 * decoder, GstVaapiDecoderUnit * unit)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiParserInfoH265 *const pi = unit->parsed_info;
GstH265PPS *const pps = &pi->data.pps;
GstH265ParserResult result;
guint col_width[19], row_height[21];
GST_DEBUG ("parse PPS");
priv->parser_state &= GST_H265_VIDEO_STATE_GOT_SPS;
memset (col_width, 0, sizeof (col_width));
memset (row_height, 0, sizeof (row_height));
memset (pps, 0, sizeof (GstH265PPS));
result = gst_h265_parser_parse_pps (priv->parser, &pi->nalu, pps);
if (result != GST_H265_PARSER_OK)
return get_status (result);
priv->parser_state |= GST_H265_VIDEO_STATE_GOT_PPS;
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static GstVaapiDecoderStatus
parse_sei (GstVaapiDecoderH265 * decoder, GstVaapiDecoderUnit * unit)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiParserInfoH265 *const pi = unit->parsed_info;
GArray **const sei_ptr = &pi->data.sei;
GstH265ParserResult result;
GST_DEBUG ("parse SEI");
result = gst_h265_parser_parse_sei (priv->parser, &pi->nalu, sei_ptr);
if (result != GST_H265_PARSER_OK) {
GST_WARNING ("failed to parse SEI messages");
return get_status (result);
}
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static GstVaapiDecoderStatus
parse_slice (GstVaapiDecoderH265 * decoder, GstVaapiDecoderUnit * unit)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiParserInfoH265 *const pi = unit->parsed_info;
GstH265SliceHdr *const slice_hdr = &pi->data.slice_hdr;
GstH265ParserResult result;
GST_DEBUG ("parse slice");
priv->parser_state &= (GST_H265_VIDEO_STATE_GOT_SPS |
GST_H265_VIDEO_STATE_GOT_PPS);
slice_hdr->short_term_ref_pic_set_idx = 0;
memset (slice_hdr, 0, sizeof (GstH265SliceHdr));
result = gst_h265_parser_parse_slice_hdr (priv->parser, &pi->nalu, slice_hdr);
if (result != GST_H265_PARSER_OK)
return get_status (result);
priv->parser_state |= GST_H265_VIDEO_STATE_GOT_SLICE;
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static GstVaapiDecoderStatus
decode_vps (GstVaapiDecoderH265 * decoder, GstVaapiDecoderUnit * unit)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiParserInfoH265 *const pi = unit->parsed_info;
GstH265VPS *const vps = &pi->data.vps;
GST_DEBUG ("decode VPS");
gst_vaapi_parser_info_h265_replace (&priv->vps[vps->id], pi);
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static GstVaapiDecoderStatus
decode_sps (GstVaapiDecoderH265 * decoder, GstVaapiDecoderUnit * unit)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiParserInfoH265 *const pi = unit->parsed_info;
GstH265SPS *const sps = &pi->data.sps;
guint high_precision_offsets_enabled_flag = 0, bitdepthC = 0;
GST_DEBUG ("decode SPS");
if (sps->max_latency_increase_plus1[sps->max_sub_layers_minus1])
priv->SpsMaxLatencyPictures =
sps->max_num_reorder_pics[sps->max_sub_layers_minus1] +
sps->max_latency_increase_plus1[sps->max_sub_layers_minus1] - 1;
/* Calculate WpOffsetHalfRangeC: (7-34)
* FIXME: We don't have parser API for sps_range_extension, so
* assuming high_precision_offsets_enabled_flag as zero */
bitdepthC = sps->bit_depth_chroma_minus8 + 8;
priv->WpOffsetHalfRangeC =
1 << (high_precision_offsets_enabled_flag ? (bitdepthC - 1) : 7);
gst_vaapi_parser_info_h265_replace (&priv->sps[sps->id], pi);
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static GstVaapiDecoderStatus
decode_pps (GstVaapiDecoderH265 * decoder, GstVaapiDecoderUnit * unit)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiParserInfoH265 *const pi = unit->parsed_info;
GstH265PPS *const pps = &pi->data.pps;
GST_DEBUG ("decode PPS");
gst_vaapi_parser_info_h265_replace (&priv->pps[pps->id], pi);
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static GstVaapiDecoderStatus
decode_sei (GstVaapiDecoderH265 * decoder, GstVaapiDecoderUnit * unit)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiParserInfoH265 *const pi = unit->parsed_info;
guint i;
GST_DEBUG ("decode SEI messages");
for (i = 0; i < pi->data.sei->len; i++) {
const GstH265SEIMessage *const sei =
&g_array_index (pi->data.sei, GstH265SEIMessage, i);
switch (sei->payloadType) {
case GST_H265_SEI_PIC_TIMING:{
const GstH265PicTiming *const pic_timing = &sei->payload.pic_timing;
priv->pic_structure = pic_timing->pic_struct;
break;
}
default:
break;
}
}
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static GstVaapiDecoderStatus
decode_sequence_end (GstVaapiDecoderH265 * decoder)
{
GstVaapiDecoderStatus status;
GST_DEBUG ("decode sequence-end");
status = decode_current_picture (decoder);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
return status;
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
/* 8.3.1 - Decoding process for picture order count */
static void
init_picture_poc (GstVaapiDecoderH265 * decoder,
GstVaapiPictureH265 * picture, GstVaapiParserInfoH265 * pi)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstH265SliceHdr *const slice_hdr = &pi->data.slice_hdr;
GstH265SPS *const sps = get_sps (decoder);
const gint32 MaxPicOrderCntLsb =
1 << (sps->log2_max_pic_order_cnt_lsb_minus4 + 4);
guint8 nal_type = pi->nalu.type;
guint8 temporal_id = pi->nalu.temporal_id_plus1 - 1;
GST_DEBUG ("decode PicOrderCntVal");
priv->prev_poc_lsb = priv->poc_lsb;
priv->prev_poc_msb = priv->poc_msb;
if (!(nal_is_irap (nal_type) && picture->NoRaslOutputFlag)) {
priv->prev_poc_lsb = priv->prev_tid0pic_poc_lsb;
priv->prev_poc_msb = priv->prev_tid0pic_poc_msb;
}
/* Finding PicOrderCntMsb */
if (nal_is_irap (nal_type) && picture->NoRaslOutputFlag)
priv->poc_msb = 0;
else {
/* (8-1) */
if ((slice_hdr->pic_order_cnt_lsb < priv->prev_poc_lsb) &&
((priv->prev_poc_lsb - slice_hdr->pic_order_cnt_lsb) >=
(MaxPicOrderCntLsb / 2)))
priv->poc_msb = priv->prev_poc_msb + MaxPicOrderCntLsb;
else if ((slice_hdr->pic_order_cnt_lsb > priv->prev_poc_lsb) &&
((slice_hdr->pic_order_cnt_lsb - priv->prev_poc_lsb) >
(MaxPicOrderCntLsb / 2)))
priv->poc_msb = priv->prev_poc_msb - MaxPicOrderCntLsb;
else
priv->poc_msb = priv->prev_poc_msb;
}
/* (8-2) */
priv->poc = picture->poc = priv->poc_msb + slice_hdr->pic_order_cnt_lsb;
priv->poc_lsb = picture->poc_lsb = slice_hdr->pic_order_cnt_lsb;
if (nal_is_idr (nal_type)) {
picture->poc = 0;
picture->poc_lsb = 0;
priv->poc_lsb = 0;
priv->poc_msb = 0;
priv->prev_poc_lsb = 0;
priv->prev_poc_msb = 0;
priv->prev_tid0pic_poc_lsb = 0;
priv->prev_tid0pic_poc_msb = 0;
}
picture->base.poc = picture->poc;
GST_DEBUG ("PicOrderCntVal %d", picture->base.poc);
if (!temporal_id && !nal_is_rasl (nal_type) &&
!nal_is_radl (nal_type) && nal_is_ref (nal_type)) {
priv->prev_tid0pic_poc_lsb = slice_hdr->pic_order_cnt_lsb;
priv->prev_tid0pic_poc_msb = priv->poc_msb;
}
}
static void
init_picture_refs (GstVaapiDecoderH265 * decoder,
GstVaapiPictureH265 * picture, GstH265SliceHdr * slice_hdr)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
guint32 NumRpsCurrTempList0 = 0, NumRpsCurrTempList1 = 0;
GstVaapiPictureH265 *RefPicListTemp0[16] = { NULL, }, *RefPicListTemp1[16] = {
NULL,};
guint i, rIdx = 0;
guint num_ref_idx_l0_active_minus1 = 0;
guint num_ref_idx_l1_active_minus1 = 0;
GstH265RefPicListModification *ref_pic_list_modification;
guint type;
memset (priv->RefPicList0, 0, sizeof (GstVaapiPictureH265 *) * 16);
memset (priv->RefPicList1, 0, sizeof (GstVaapiPictureH265 *) * 16);
priv->RefPicList0_count = priv->RefPicList1_count = 0;
num_ref_idx_l0_active_minus1 = slice_hdr->num_ref_idx_l0_active_minus1;
num_ref_idx_l1_active_minus1 = slice_hdr->num_ref_idx_l1_active_minus1;
ref_pic_list_modification = &slice_hdr->ref_pic_list_modification;
type = slice_hdr->type;
/* decoding process for reference picture list construction needs to be
* invoked only for P and B slice */
if (type == GST_H265_I_SLICE)
return;
NumRpsCurrTempList0 =
MAX ((num_ref_idx_l0_active_minus1 + 1), priv->NumPocTotalCurr);
NumRpsCurrTempList1 =
MAX ((num_ref_idx_l1_active_minus1 + 1), priv->NumPocTotalCurr);
/* (8-8) */
while (rIdx < NumRpsCurrTempList0) {
for (i = 0; i < priv->NumPocStCurrBefore && rIdx < NumRpsCurrTempList0;
rIdx++, i++)
RefPicListTemp0[rIdx] = priv->RefPicSetStCurrBefore[i];
for (i = 0; i < priv->NumPocStCurrAfter && rIdx < NumRpsCurrTempList0;
rIdx++, i++)
RefPicListTemp0[rIdx] = priv->RefPicSetStCurrAfter[i];
for (i = 0; i < priv->NumPocLtCurr && rIdx < NumRpsCurrTempList0;
rIdx++, i++)
RefPicListTemp0[rIdx] = priv->RefPicSetLtCurr[i];
}
/* construct RefPicList0 (8-9) */
for (rIdx = 0; rIdx <= num_ref_idx_l0_active_minus1; rIdx++)
priv->RefPicList0[rIdx] =
ref_pic_list_modification->ref_pic_list_modification_flag_l0 ?
RefPicListTemp0[ref_pic_list_modification->list_entry_l0[rIdx]] :
RefPicListTemp0[rIdx];
priv->RefPicList0_count = rIdx;
if (type == GST_H265_B_SLICE) {
rIdx = 0;
/* (8-10) */
while (rIdx < NumRpsCurrTempList1) {
for (i = 0; i < priv->NumPocStCurrAfter && rIdx < NumRpsCurrTempList1;
rIdx++, i++)
RefPicListTemp1[rIdx] = priv->RefPicSetStCurrAfter[i];
for (i = 0; i < priv->NumPocStCurrBefore && rIdx < NumRpsCurrTempList1;
rIdx++, i++)
RefPicListTemp1[rIdx] = priv->RefPicSetStCurrBefore[i];
for (i = 0; i < priv->NumPocLtCurr && rIdx < NumRpsCurrTempList1;
rIdx++, i++)
RefPicListTemp1[rIdx] = priv->RefPicSetLtCurr[i];
}
/* construct RefPicList1 (8-10) */
for (rIdx = 0; rIdx <= num_ref_idx_l1_active_minus1; rIdx++)
priv->RefPicList1[rIdx] =
ref_pic_list_modification->ref_pic_list_modification_flag_l1 ?
RefPicListTemp1[ref_pic_list_modification->list_entry_l1
[rIdx]] : RefPicListTemp1[rIdx];
priv->RefPicList1_count = rIdx;
}
}
static gboolean
init_picture (GstVaapiDecoderH265 * decoder,
GstVaapiPictureH265 * picture, GstVaapiParserInfoH265 * pi)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiPicture *const base_picture = &picture->base;
GstH265SliceHdr *const slice_hdr = &pi->data.slice_hdr;
base_picture->pts = GST_VAAPI_DECODER_CODEC_FRAME (decoder)->pts;
base_picture->type = GST_VAAPI_PICTURE_TYPE_NONE;
if (nal_is_idr (pi->nalu.type)) {
GST_DEBUG ("<IDR>");
GST_VAAPI_PICTURE_FLAG_SET (picture, GST_VAAPI_PICTURE_FLAG_IDR);
}
if (pi->nalu.type >= GST_H265_NAL_SLICE_BLA_W_LP &&
pi->nalu.type <= GST_H265_NAL_SLICE_CRA_NUT)
picture->RapPicFlag = TRUE;
/* FIXME: Use SEI header values */
base_picture->structure = GST_VAAPI_PICTURE_STRUCTURE_FRAME;
picture->structure = base_picture->structure;
/*NoRaslOutputFlag ==1 if the current picture is
1) an IDR picture
2) a BLA picture
3) a CRA picture that is the first access unit in the bitstream
4) first picture that follows an end of sequence NAL unit in decoding order
5) has HandleCraAsBlaFlag == 1 (set by external means, so not considering )
*/
if (nal_is_idr (pi->nalu.type) || nal_is_bla (pi->nalu.type) ||
(nal_is_cra (pi->nalu.type) && priv->new_bitstream)
|| priv->prev_nal_is_eos) {
picture->NoRaslOutputFlag = 1;
}
if (nal_is_irap (pi->nalu.type)) {
picture->IntraPicFlag = TRUE;
priv->associated_irap_NoRaslOutputFlag = picture->NoRaslOutputFlag;
}
if (nal_is_rasl (pi->nalu.type) && priv->associated_irap_NoRaslOutputFlag)
picture->output_flag = FALSE;
else
picture->output_flag = slice_hdr->pic_output_flag;
init_picture_poc (decoder, picture, pi);
return TRUE;
}
static void
vaapi_init_picture (VAPictureHEVC * pic)
{
pic->picture_id = VA_INVALID_SURFACE;
pic->pic_order_cnt = 0;
pic->flags = VA_PICTURE_HEVC_INVALID;
}
static void
vaapi_fill_picture (VAPictureHEVC * pic, GstVaapiPictureH265 * picture,
guint picture_structure)
{
if (!picture_structure)
picture_structure = picture->structure;
pic->picture_id = picture->base.surface_id;
pic->pic_order_cnt = picture->poc;
pic->flags = 0;
/* Set the VAPictureHEVC flags */
if (GST_VAAPI_PICTURE_IS_LONG_TERM_REFERENCE (picture))
pic->flags |= VA_PICTURE_HEVC_LONG_TERM_REFERENCE;
if (GST_VAAPI_PICTURE_FLAG_IS_SET (picture,
GST_VAAPI_PICTURE_FLAG_RPS_ST_CURR_BEFORE))
pic->flags |= VA_PICTURE_HEVC_RPS_ST_CURR_BEFORE;
else if (GST_VAAPI_PICTURE_FLAG_IS_SET (picture,
GST_VAAPI_PICTURE_FLAG_RPS_ST_CURR_AFTER))
pic->flags |= VA_PICTURE_HEVC_RPS_ST_CURR_AFTER;
else if (GST_VAAPI_PICTURE_FLAG_IS_SET (picture,
GST_VAAPI_PICTURE_FLAG_RPS_LT_CURR))
pic->flags |= VA_PICTURE_HEVC_RPS_LT_CURR;
switch (picture_structure) {
case GST_VAAPI_PICTURE_STRUCTURE_FRAME:
break;
case GST_VAAPI_PICTURE_STRUCTURE_TOP_FIELD:
pic->flags |= VA_PICTURE_HEVC_FIELD_PIC;
break;
case GST_VAAPI_PICTURE_STRUCTURE_BOTTOM_FIELD:
pic->flags |= VA_PICTURE_HEVC_FIELD_PIC;
pic->flags |= VA_PICTURE_HEVC_BOTTOM_FIELD;
break;
default:
break;
}
}
static guint
get_index_for_RefPicListX (VAPictureHEVC * ReferenceFrames,
GstVaapiPictureH265 * pic)
{
gint i;
for (i = 0; i < 15; i++) {
if ((ReferenceFrames[i].picture_id != VA_INVALID_ID) && pic) {
if ((ReferenceFrames[i].pic_order_cnt == pic->poc) &&
(ReferenceFrames[i].picture_id == pic->base.surface_id)) {
return i;
}
}
}
return 0xff;
}
static gboolean
fill_picture (GstVaapiDecoderH265 * decoder, GstVaapiPictureH265 * picture)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiPicture *const base_picture = &picture->base;
GstH265PPS *const pps = get_pps (decoder);
GstH265SPS *const sps = get_sps (decoder);
VAPictureParameterBufferHEVC *const pic_param = base_picture->param;
guint i, n;
pic_param->pic_fields.value = 0;
pic_param->slice_parsing_fields.value = 0;
/* Fill in VAPictureHEVC */
vaapi_fill_picture (&pic_param->CurrPic, picture, 0);
/* Fill in ReferenceFrames */
for (i = 0, n = 0; i < priv->dpb_count; i++) {
GstVaapiFrameStore *const fs = priv->dpb[i];
if ((gst_vaapi_frame_store_has_reference (fs)))
vaapi_fill_picture (&pic_param->ReferenceFrames[n++], fs->buffer,
fs->buffer->structure);
if (n >= G_N_ELEMENTS (pic_param->ReferenceFrames))
break;
}
for (; n < G_N_ELEMENTS (pic_param->ReferenceFrames); n++)
vaapi_init_picture (&pic_param->ReferenceFrames[n]);
#define COPY_FIELD(s, f) \
pic_param->f = (s)->f
#define COPY_BFM(a, s, f) \
pic_param->a.bits.f = (s)->f
COPY_FIELD (sps, pic_width_in_luma_samples);
COPY_FIELD (sps, pic_height_in_luma_samples);
COPY_BFM (pic_fields, sps, chroma_format_idc);
COPY_BFM (pic_fields, sps, separate_colour_plane_flag);
COPY_BFM (pic_fields, sps, pcm_enabled_flag);
COPY_BFM (pic_fields, sps, scaling_list_enabled_flag);
COPY_BFM (pic_fields, pps, transform_skip_enabled_flag);
COPY_BFM (pic_fields, sps, amp_enabled_flag);
COPY_BFM (pic_fields, sps, strong_intra_smoothing_enabled_flag);
COPY_BFM (pic_fields, pps, sign_data_hiding_enabled_flag);
COPY_BFM (pic_fields, pps, constrained_intra_pred_flag);
COPY_BFM (pic_fields, pps, cu_qp_delta_enabled_flag);
COPY_BFM (pic_fields, pps, weighted_pred_flag);
COPY_BFM (pic_fields, pps, weighted_bipred_flag);
COPY_BFM (pic_fields, pps, transquant_bypass_enabled_flag);
COPY_BFM (pic_fields, pps, tiles_enabled_flag);
COPY_BFM (pic_fields, pps, entropy_coding_sync_enabled_flag);
pic_param->pic_fields.bits.pps_loop_filter_across_slices_enabled_flag =
pps->loop_filter_across_slices_enabled_flag;
COPY_BFM (pic_fields, pps, loop_filter_across_tiles_enabled_flag);
COPY_BFM (pic_fields, sps, pcm_loop_filter_disabled_flag);
/* Fix: Assign value based on sps_max_num_reorder_pics */
pic_param->pic_fields.bits.NoPicReorderingFlag = 0;
/* Fix: Enable if picture has no B slices */
pic_param->pic_fields.bits.NoBiPredFlag = 0;
pic_param->sps_max_dec_pic_buffering_minus1 =
sps->max_dec_pic_buffering_minus1[0];
COPY_FIELD (sps, bit_depth_luma_minus8);
COPY_FIELD (sps, bit_depth_chroma_minus8);
COPY_FIELD (sps, pcm_sample_bit_depth_luma_minus1);
COPY_FIELD (sps, pcm_sample_bit_depth_chroma_minus1);
COPY_FIELD (sps, log2_min_luma_coding_block_size_minus3);
COPY_FIELD (sps, log2_diff_max_min_luma_coding_block_size);
COPY_FIELD (sps, log2_min_transform_block_size_minus2);
COPY_FIELD (sps, log2_diff_max_min_transform_block_size);
COPY_FIELD (sps, log2_min_pcm_luma_coding_block_size_minus3);
COPY_FIELD (sps, log2_diff_max_min_pcm_luma_coding_block_size);
COPY_FIELD (sps, max_transform_hierarchy_depth_intra);
COPY_FIELD (sps, max_transform_hierarchy_depth_inter);
COPY_FIELD (pps, init_qp_minus26);
COPY_FIELD (pps, diff_cu_qp_delta_depth);
pic_param->pps_cb_qp_offset = pps->cb_qp_offset;
pic_param->pps_cr_qp_offset = pps->cr_qp_offset;
COPY_FIELD (pps, log2_parallel_merge_level_minus2);
COPY_FIELD (pps, num_tile_columns_minus1);
COPY_FIELD (pps, num_tile_rows_minus1);
for (i = 0; i <= pps->num_tile_columns_minus1; i++)
pic_param->column_width_minus1[i] = pps->column_width_minus1[i];
for (; i < 19; i++)
pic_param->column_width_minus1[i] = 0;
for (i = 0; i <= pps->num_tile_rows_minus1; i++)
pic_param->row_height_minus1[i] = pps->row_height_minus1[i];
for (; i < 21; i++)
pic_param->row_height_minus1[i] = 0;
COPY_BFM (slice_parsing_fields, pps, lists_modification_present_flag);
COPY_BFM (slice_parsing_fields, sps, long_term_ref_pics_present_flag);
pic_param->slice_parsing_fields.bits.sps_temporal_mvp_enabled_flag =
sps->temporal_mvp_enabled_flag;
COPY_BFM (slice_parsing_fields, pps, cabac_init_present_flag);
COPY_BFM (slice_parsing_fields, pps, output_flag_present_flag);
COPY_BFM (slice_parsing_fields, pps, dependent_slice_segments_enabled_flag);
pic_param->slice_parsing_fields.bits.
pps_slice_chroma_qp_offsets_present_flag =
pps->slice_chroma_qp_offsets_present_flag;
COPY_BFM (slice_parsing_fields, sps, sample_adaptive_offset_enabled_flag);
COPY_BFM (slice_parsing_fields, pps, deblocking_filter_override_enabled_flag);
pic_param->slice_parsing_fields.bits.pps_disable_deblocking_filter_flag =
pps->deblocking_filter_disabled_flag;
COPY_BFM (slice_parsing_fields, pps,
slice_segment_header_extension_present_flag);
pic_param->slice_parsing_fields.bits.RapPicFlag = picture->RapPicFlag;
pic_param->slice_parsing_fields.bits.IdrPicFlag =
GST_VAAPI_PICTURE_FLAG_IS_SET (picture, GST_VAAPI_PICTURE_FLAG_IDR);
pic_param->slice_parsing_fields.bits.IntraPicFlag = picture->IntraPicFlag;
COPY_FIELD (sps, log2_max_pic_order_cnt_lsb_minus4);
COPY_FIELD (sps, num_short_term_ref_pic_sets);
pic_param->num_long_term_ref_pic_sps = sps->num_long_term_ref_pics_sps;
COPY_FIELD (pps, num_ref_idx_l0_default_active_minus1);
COPY_FIELD (pps, num_ref_idx_l1_default_active_minus1);
pic_param->pps_beta_offset_div2 = pps->beta_offset_div2;
pic_param->pps_tc_offset_div2 = pps->tc_offset_div2;
COPY_FIELD (pps, num_extra_slice_header_bits);
/* FIXME: Set correct value as mentioned in va_dec_hevc.h */
pic_param->st_rps_bits = 0;
return TRUE;
}
/* Detection of the first VCL NAL unit of a coded picture (7.4.2.4.5 ) */
static gboolean
is_new_picture (GstVaapiParserInfoH265 * pi, GstVaapiParserInfoH265 * prev_pi)
{
GstH265SliceHdr *const slice_hdr = &pi->data.slice_hdr;
if (!prev_pi)
return TRUE;
if (slice_hdr->first_slice_segment_in_pic_flag)
return TRUE;
return FALSE;
}
/* Detection of a new access unit, assuming we are already in presence
of a new picture */
static inline gboolean
is_new_access_unit (GstVaapiParserInfoH265 * pi,
GstVaapiParserInfoH265 * prev_pi)
{
if (!prev_pi)
return TRUE;
return FALSE;
}
static gboolean
has_entry_in_rps (GstVaapiPictureH265 * dpb_pic,
GstVaapiPictureH265 ** rps_list, guint rps_list_length)
{
guint i;
if (!dpb_pic || !rps_list || !rps_list_length)
return FALSE;
for (i = 0; i < rps_list_length; i++) {
if (rps_list[i] && rps_list[i]->poc == dpb_pic->poc)
return TRUE;
}
return FALSE;
}
/* the derivation process for the RPS and the picture marking */
static void
derive_and_mark_rps (GstVaapiDecoderH265 * decoder,
GstVaapiPictureH265 * picture, GstVaapiParserInfoH265 * pi,
gint32 * CurrDeltaPocMsbPresentFlag, gint32 * FollDeltaPocMsbPresentFlag)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiPictureH265 *dpb_pic = NULL;
guint i;
memset (priv->RefPicSetLtCurr, 0, sizeof (GstVaapiPictureH265 *) * 16);
memset (priv->RefPicSetLtFoll, 0, sizeof (GstVaapiPictureH265 *) * 16);
memset (priv->RefPicSetStCurrBefore, 0, sizeof (GstVaapiPictureH265 *) * 16);
memset (priv->RefPicSetStCurrAfter, 0, sizeof (GstVaapiPictureH265 *) * 16);
memset (priv->RefPicSetStFoll, 0, sizeof (GstVaapiPictureH265 *) * 16);
/* (8-6) */
for (i = 0; i < priv->NumPocLtCurr; i++) {
if (!CurrDeltaPocMsbPresentFlag[i]) {
dpb_pic = dpb_get_picture (decoder, priv->PocLtCurr[i], TRUE);
if (dpb_pic)
priv->RefPicSetLtCurr[i] = dpb_pic;
else
priv->RefPicSetLtCurr[i] = NULL;
} else {
dpb_pic = dpb_get_picture (decoder, priv->PocLtCurr[i], FALSE);
if (dpb_pic)
priv->RefPicSetLtCurr[i] = dpb_pic;
else
priv->RefPicSetLtCurr[i] = NULL;
}
}
for (; i < 16; i++)
priv->RefPicSetLtCurr[i] = NULL;
for (i = 0; i < priv->NumPocLtFoll; i++) {
if (!FollDeltaPocMsbPresentFlag[i]) {
dpb_pic = dpb_get_picture (decoder, priv->PocLtFoll[i], TRUE);
if (dpb_pic)
priv->RefPicSetLtFoll[i] = dpb_pic;
else
priv->RefPicSetLtFoll[i] = NULL;
} else {
dpb_pic = dpb_get_picture (decoder, priv->PocLtFoll[i], FALSE);
if (dpb_pic)
priv->RefPicSetLtFoll[i] = dpb_pic;
else
priv->RefPicSetLtFoll[i] = NULL;
}
}
for (; i < 16; i++)
priv->RefPicSetLtFoll[i] = NULL;
/* Mark all ref pics in RefPicSetLtCurr and RefPicSetLtFol as long_term_refs */
for (i = 0; i < priv->NumPocLtCurr; i++) {
if (priv->RefPicSetLtCurr[i])
gst_vaapi_picture_h265_set_reference (priv->RefPicSetLtCurr[i],
GST_VAAPI_PICTURE_FLAG_LONG_TERM_REFERENCE |
GST_VAAPI_PICTURE_FLAG_RPS_LT_CURR);
}
for (i = 0; i < priv->NumPocLtFoll; i++) {
if (priv->RefPicSetLtFoll[i])
gst_vaapi_picture_h265_set_reference (priv->RefPicSetLtFoll[i],
GST_VAAPI_PICTURE_FLAG_LONG_TERM_REFERENCE |
GST_VAAPI_PICTURE_FLAG_RPS_LT_FOLL);
}
/* (8-7) */
for (i = 0; i < priv->NumPocStCurrBefore; i++) {
dpb_pic = dpb_get_ref_picture (decoder, priv->PocStCurrBefore[i], TRUE);
if (dpb_pic) {
gst_vaapi_picture_h265_set_reference (dpb_pic,
GST_VAAPI_PICTURE_FLAG_SHORT_TERM_REFERENCE |
GST_VAAPI_PICTURE_FLAG_RPS_ST_CURR_BEFORE);
priv->RefPicSetStCurrBefore[i] = dpb_pic;
} else
priv->RefPicSetStCurrBefore[i] = NULL;
}
for (; i < 16; i++)
priv->RefPicSetStCurrBefore[i] = NULL;
for (i = 0; i < priv->NumPocStCurrAfter; i++) {
dpb_pic = dpb_get_ref_picture (decoder, priv->PocStCurrAfter[i], TRUE);
if (dpb_pic) {
gst_vaapi_picture_h265_set_reference (dpb_pic,
GST_VAAPI_PICTURE_FLAG_SHORT_TERM_REFERENCE |
GST_VAAPI_PICTURE_FLAG_RPS_ST_CURR_AFTER);
priv->RefPicSetStCurrAfter[i] = dpb_pic;
} else
priv->RefPicSetStCurrAfter[i] = NULL;
}
for (; i < 16; i++)
priv->RefPicSetStCurrAfter[i] = NULL;
for (i = 0; i < priv->NumPocStFoll; i++) {
dpb_pic = dpb_get_ref_picture (decoder, priv->PocStFoll[i], TRUE);
if (dpb_pic) {
gst_vaapi_picture_h265_set_reference (dpb_pic,
GST_VAAPI_PICTURE_FLAG_SHORT_TERM_REFERENCE |
GST_VAAPI_PICTURE_FLAG_RPS_ST_FOLL);
priv->RefPicSetStFoll[i] = dpb_pic;
} else
priv->RefPicSetStFoll[i] = NULL;
}
for (; i < 16; i++)
priv->RefPicSetStFoll[i] = NULL;
/* Mark all dpb pics not beloging to RefPicSet*[] as unused for ref */
for (i = 0; i < priv->dpb_count; i++) {
dpb_pic = priv->dpb[i]->buffer;
if (dpb_pic &&
!has_entry_in_rps (dpb_pic, priv->RefPicSetLtCurr, priv->NumPocLtCurr)
&& !has_entry_in_rps (dpb_pic, priv->RefPicSetLtFoll,
priv->NumPocLtFoll)
&& !has_entry_in_rps (dpb_pic, priv->RefPicSetStCurrAfter,
priv->NumPocStCurrAfter)
&& !has_entry_in_rps (dpb_pic, priv->RefPicSetStCurrBefore,
priv->NumPocStCurrBefore)
&& !has_entry_in_rps (dpb_pic, priv->RefPicSetStFoll,
priv->NumPocStFoll))
gst_vaapi_picture_h265_set_reference (dpb_pic, 0);
}
}
/* Decoding process for reference picture set (8.3.2) */
static gboolean
decode_ref_pic_set (GstVaapiDecoderH265 * decoder,
GstVaapiPictureH265 * picture, GstVaapiParserInfoH265 * pi)
{
guint i, j, k;
gint32 CurrDeltaPocMsbPresentFlag[16] = { 0, };
gint32 FollDeltaPocMsbPresentFlag[16] = { 0, };
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstH265SliceHdr *const slice_hdr = &pi->data.slice_hdr;
GstH265SPS *const sps = get_sps (decoder);
const gint32 MaxPicOrderCntLsb =
1 << (sps->log2_max_pic_order_cnt_lsb_minus4 + 4);
/* if it is an irap pic, set all ref pics in dpb as unused for ref */
if (nal_is_irap (pi->nalu.type) && picture->NoRaslOutputFlag) {
for (i = 0; i < priv->dpb_count; i++) {
GstVaapiFrameStore *const fs = priv->dpb[i];
gst_vaapi_picture_h265_set_reference (fs->buffer, 0);
}
}
/* Reset everything for IDR */
if (nal_is_idr (pi->nalu.type)) {
memset (priv->PocStCurrBefore, 0, sizeof (guint) * 16);
memset (priv->PocStCurrAfter, 0, sizeof (guint) * 16);
memset (priv->PocStFoll, 0, sizeof (guint) * 16);
memset (priv->PocLtCurr, 0, sizeof (guint) * 16);
memset (priv->PocLtFoll, 0, sizeof (guint) * 16);
priv->NumPocStCurrBefore = priv->NumPocStCurrAfter = priv->NumPocStFoll = 0;
priv->NumPocLtCurr = priv->NumPocLtFoll = 0;
} else {
GstH265ShortTermRefPicSet *stRefPic = NULL;
gint32 num_lt_pics, pocLt, PocLsbLt[16] = { 0, }
, UsedByCurrPicLt[16] = {
0,};
gint32 DeltaPocMsbCycleLt[16] = { 0, };
gint numtotalcurr = 0;
/* this is based on CurrRpsIdx described in spec */
if (!slice_hdr->short_term_ref_pic_set_sps_flag)
stRefPic = &slice_hdr->short_term_ref_pic_sets;
else if (sps->num_short_term_ref_pic_sets)
stRefPic =
&sps->short_term_ref_pic_set[slice_hdr->short_term_ref_pic_set_idx];
g_assert (stRefPic != NULL);
for (i = 0, j = 0, k = 0; i < stRefPic->NumNegativePics; i++) {
if (stRefPic->UsedByCurrPicS0[i]) {
priv->PocStCurrBefore[j++] = picture->poc + stRefPic->DeltaPocS0[i];
numtotalcurr++;
} else
priv->PocStFoll[k++] = picture->poc + stRefPic->DeltaPocS0[i];
}
priv->NumPocStCurrBefore = j;
for (i = 0, j = 0; i < stRefPic->NumPositivePics; i++) {
if (stRefPic->UsedByCurrPicS1[i]) {
priv->PocStCurrAfter[j++] = picture->poc + stRefPic->DeltaPocS1[i];
numtotalcurr++;
} else
priv->PocStFoll[k++] = picture->poc + stRefPic->DeltaPocS1[i];
}
priv->NumPocStCurrAfter = j;
priv->NumPocStFoll = k;
num_lt_pics = slice_hdr->num_long_term_sps + slice_hdr->num_long_term_pics;
/* The variables PocLsbLt[i] and UsedByCurrPicLt[i] are derived as follows: */
for (i = 0; i < num_lt_pics; i++) {
if (i < slice_hdr->num_long_term_sps) {
PocLsbLt[i] = sps->lt_ref_pic_poc_lsb_sps[slice_hdr->lt_idx_sps[i]];
UsedByCurrPicLt[i] =
sps->used_by_curr_pic_lt_sps_flag[slice_hdr->lt_idx_sps[i]];
} else {
PocLsbLt[i] = slice_hdr->poc_lsb_lt[i];
UsedByCurrPicLt[i] = slice_hdr->used_by_curr_pic_lt_flag[i];
}
if (UsedByCurrPicLt[i])
numtotalcurr++;
}
priv->NumPocTotalCurr = numtotalcurr;
/* The variable DeltaPocMsbCycleLt[i] is derived as follows: (7-38) */
for (i = 0; i < num_lt_pics; i++) {
if (i == 0 || i == slice_hdr->num_long_term_sps)
DeltaPocMsbCycleLt[i] = slice_hdr->delta_poc_msb_cycle_lt[i];
else
DeltaPocMsbCycleLt[i] =
slice_hdr->delta_poc_msb_cycle_lt[i] + DeltaPocMsbCycleLt[i - 1];
}
/* (8-5) */
for (i = 0, j = 0, k = 0; i < num_lt_pics; i++) {
pocLt = PocLsbLt[i];
if (slice_hdr->delta_poc_msb_present_flag[i])
pocLt +=
picture->poc - DeltaPocMsbCycleLt[i] * MaxPicOrderCntLsb -
slice_hdr->pic_order_cnt_lsb;
if (UsedByCurrPicLt[i]) {
priv->PocLtCurr[j] = pocLt;
CurrDeltaPocMsbPresentFlag[j++] =
slice_hdr->delta_poc_msb_present_flag[i];
} else {
priv->PocLtFoll[k] = pocLt;
FollDeltaPocMsbPresentFlag[k++] =
slice_hdr->delta_poc_msb_present_flag[i];
}
}
priv->NumPocLtCurr = j;
priv->NumPocLtFoll = k;
}
/* the derivation process for the RPS and the picture marking */
derive_and_mark_rps (decoder, picture, pi, CurrDeltaPocMsbPresentFlag,
FollDeltaPocMsbPresentFlag);
return TRUE;
}
static GstVaapiDecoderStatus
decode_picture (GstVaapiDecoderH265 * decoder, GstVaapiDecoderUnit * unit)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiParserInfoH265 *pi = unit->parsed_info;
GstH265SliceHdr *const slice_hdr = &pi->data.slice_hdr;
GstH265PPS *const pps = ensure_pps (decoder, slice_hdr->pps);
GstH265SPS *const sps = ensure_sps (decoder, slice_hdr->pps->sps);
GstVaapiPictureH265 *picture;
GstVaapiDecoderStatus status;
g_return_val_if_fail (pps != NULL, GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN);
g_return_val_if_fail (sps != NULL, GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN);
status = ensure_context (decoder, sps);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
return status;
priv->decoder_state = 0;
/* Create new picture */
picture = gst_vaapi_picture_h265_new (decoder);
if (!picture) {
GST_ERROR ("failed to allocate picture");
return GST_VAAPI_DECODER_STATUS_ERROR_ALLOCATION_FAILED;
}
gst_vaapi_picture_replace (&priv->current_picture, picture);
gst_vaapi_picture_unref (picture);
/* Update cropping rectangle */
if (sps->conformance_window_flag) {
GstVaapiRectangle crop_rect;
crop_rect.x = sps->crop_rect_x;
crop_rect.y = sps->crop_rect_y;
crop_rect.width = sps->crop_rect_width;
crop_rect.height = sps->crop_rect_height;
gst_vaapi_picture_set_crop_rect (&picture->base, &crop_rect);
}
status = ensure_quant_matrix (decoder, picture);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS) {
GST_ERROR ("failed to reset quantizer matrix");
return status;
}
if (!init_picture (decoder, picture, pi))
return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
/* Drop all RASL pictures having NoRaslOutputFlag is TRUE for the
* associated IRAP picture */
if (nal_is_rasl (pi->nalu.type) && priv->associated_irap_NoRaslOutputFlag) {
gst_vaapi_picture_replace (&priv->current_picture, NULL);
return (GstVaapiDecoderStatus) GST_VAAPI_DECODER_STATUS_DROP_FRAME;
}
if (!decode_ref_pic_set (decoder, picture, pi))
return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
if (!dpb_init (decoder, picture, pi))
return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
if (!fill_picture (decoder, picture))
return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
priv->decoder_state = pi->state;
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static inline guint
get_slice_data_byte_offset (GstH265SliceHdr * slice_hdr, guint nal_header_bytes)
{
guint epb_count;
epb_count = slice_hdr->n_emulation_prevention_bytes;
return nal_header_bytes + (slice_hdr->header_size + 7) / 8 - epb_count;
}
static gboolean
fill_pred_weight_table (GstVaapiDecoderH265 * decoder,
GstVaapiSlice * slice, GstH265SliceHdr * slice_hdr)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
VASliceParameterBufferHEVC *const slice_param = slice->param;
GstH265PPS *const pps = get_pps (decoder);
GstH265SPS *const sps = get_sps (decoder);
GstH265PredWeightTable *const w = &slice_hdr->pred_weight_table;
gint chroma_weight, chroma_log2_weight_denom;
gint i, j;
slice_param->luma_log2_weight_denom = 0;
slice_param->delta_chroma_log2_weight_denom = 0;
if ((pps->weighted_pred_flag && GST_H265_IS_P_SLICE (slice_hdr)) ||
(pps->weighted_bipred_flag && GST_H265_IS_B_SLICE (slice_hdr))) {
/* FIXME: This should be done in parser apis */
memset (slice_param->delta_luma_weight_l0, 0,
sizeof (slice_param->delta_luma_weight_l0));
memset (slice_param->luma_offset_l0, 0,
sizeof (slice_param->luma_offset_l0));
memset (slice_param->delta_luma_weight_l1, 0,
sizeof (slice_param->delta_luma_weight_l1));
memset (slice_param->luma_offset_l1, 0,
sizeof (slice_param->luma_offset_l1));
memset (slice_param->delta_chroma_weight_l0, 0,
sizeof (slice_param->delta_chroma_weight_l0));
memset (slice_param->ChromaOffsetL0, 0,
sizeof (slice_param->ChromaOffsetL0));
memset (slice_param->delta_chroma_weight_l1, 0,
sizeof (slice_param->delta_chroma_weight_l1));
memset (slice_param->ChromaOffsetL1, 0,
sizeof (slice_param->ChromaOffsetL1));
slice_param->luma_log2_weight_denom = w->luma_log2_weight_denom;
if (sps->chroma_array_type != 0)
slice_param->delta_chroma_log2_weight_denom =
w->delta_chroma_log2_weight_denom;
chroma_log2_weight_denom =
slice_param->luma_log2_weight_denom +
slice_param->delta_chroma_log2_weight_denom;
for (i = 0; i <= slice_param->num_ref_idx_l0_active_minus1; i++) {
if (slice_hdr->pred_weight_table.luma_weight_l0_flag[i]) {
slice_param->delta_luma_weight_l0[i] = w->delta_luma_weight_l0[i];
slice_param->luma_offset_l0[i] = w->luma_offset_l0[i];
}
if (slice_hdr->pred_weight_table.chroma_weight_l0_flag[i]) {
for (j = 0; j < 2; j++) {
slice_param->delta_chroma_weight_l0[i][j] =
w->delta_chroma_weight_l0[i][j];
/* Find ChromaWeightL0 */
chroma_weight =
(1 << chroma_log2_weight_denom) + w->delta_chroma_weight_l0[i][j];
/* 7-56 */
slice_param->ChromaOffsetL0[i][j] = CLAMP (
(priv->WpOffsetHalfRangeC + w->delta_chroma_offset_l0[i][j] -
((priv->WpOffsetHalfRangeC *
chroma_weight) >> chroma_log2_weight_denom)),
-priv->WpOffsetHalfRangeC, priv->WpOffsetHalfRangeC - 1);
}
}
}
if (GST_H265_IS_B_SLICE (slice_hdr)) {
for (i = 0; i <= slice_param->num_ref_idx_l1_active_minus1; i++) {
if (slice_hdr->pred_weight_table.luma_weight_l1_flag[i]) {
slice_param->delta_luma_weight_l1[i] = w->delta_luma_weight_l1[i];
slice_param->luma_offset_l1[i] = w->luma_offset_l1[i];
}
if (slice_hdr->pred_weight_table.chroma_weight_l1_flag[i]) {
for (j = 0; j < 2; j++) {
slice_param->delta_chroma_weight_l1[i][j] =
w->delta_chroma_weight_l1[i][j];
/* Find ChromaWeightL1 */
chroma_weight =
(1 << chroma_log2_weight_denom) +
w->delta_chroma_weight_l1[i][j];
/* 7-56 */
slice_param->ChromaOffsetL1[i][j] =
CLAMP ((priv->WpOffsetHalfRangeC +
w->delta_chroma_offset_l1[i][j] -
((priv->WpOffsetHalfRangeC *
chroma_weight) >> chroma_log2_weight_denom)),
-priv->WpOffsetHalfRangeC, priv->WpOffsetHalfRangeC - 1);
}
}
}
}
}
return TRUE;
}
static gboolean
fill_RefPicList (GstVaapiDecoderH265 * decoder,
GstVaapiPictureH265 * picture, GstVaapiSlice * slice,
GstH265SliceHdr * slice_hdr)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
VASliceParameterBufferHEVC *const slice_param = slice->param;
GstVaapiPicture *const base_picture = &picture->base;
VAPictureParameterBufferHEVC *const pic_param = base_picture->param;
guint i, num_ref_lists = 0, j;
slice_param->num_ref_idx_l0_active_minus1 = 0;
slice_param->num_ref_idx_l1_active_minus1 = 0;
for (j = 0; j < 2; j++)
for (i = 0; i < 15; i++)
slice_param->RefPicList[j][i] = 0xFF;
if (GST_H265_IS_B_SLICE (slice_hdr))
num_ref_lists = 2;
else if (GST_H265_IS_I_SLICE (slice_hdr))
num_ref_lists = 0;
else
num_ref_lists = 1;
if (num_ref_lists < 1)
return TRUE;
slice_param->num_ref_idx_l0_active_minus1 =
slice_hdr->num_ref_idx_l0_active_minus1;
slice_param->num_ref_idx_l1_active_minus1 =
slice_hdr->num_ref_idx_l1_active_minus1;
for (i = 0; i < priv->RefPicList0_count; i++)
slice_param->RefPicList[0][i] =
get_index_for_RefPicListX (pic_param->ReferenceFrames,
priv->RefPicList0[i]);
for (; i < 15; i++)
slice_param->RefPicList[0][i] = 0xFF;
if (num_ref_lists < 2)
return TRUE;
for (i = 0; i < priv->RefPicList1_count; i++)
slice_param->RefPicList[1][i] =
get_index_for_RefPicListX (pic_param->ReferenceFrames,
priv->RefPicList1[i]);
for (; i < 15; i++)
slice_param->RefPicList[1][i] = 0xFF;
return TRUE;
}
static gboolean
fill_slice (GstVaapiDecoderH265 * decoder,
GstVaapiPictureH265 * picture, GstVaapiSlice * slice,
GstVaapiParserInfoH265 * pi, GstVaapiDecoderUnit * unit)
{
VASliceParameterBufferHEVC *const slice_param = slice->param;
GstH265SliceHdr *slice_hdr = &pi->data.slice_hdr;
/* Fill in VASliceParameterBufferH265 */
slice_param->LongSliceFlags.value = 0;
slice_param->slice_data_byte_offset =
get_slice_data_byte_offset (slice_hdr, pi->nalu.header_bytes);
slice_param->slice_segment_address = slice_hdr->segment_address;
#define COPY_LFF(f) \
slice_param->LongSliceFlags.fields.f = (slice_hdr)->f
if (GST_VAAPI_PICTURE_FLAG_IS_SET (picture, GST_VAAPI_PICTURE_FLAG_AU_END))
slice_param->LongSliceFlags.fields.LastSliceOfPic = 1;
else
slice_param->LongSliceFlags.fields.LastSliceOfPic = 0;
COPY_LFF (dependent_slice_segment_flag);
COPY_LFF (mvd_l1_zero_flag);
COPY_LFF (cabac_init_flag);
COPY_LFF (collocated_from_l0_flag);
slice_param->LongSliceFlags.fields.color_plane_id =
slice_hdr->colour_plane_id;
slice_param->LongSliceFlags.fields.slice_type = slice_hdr->type;
slice_param->LongSliceFlags.fields.slice_sao_luma_flag =
slice_hdr->sao_luma_flag;
slice_param->LongSliceFlags.fields.slice_sao_chroma_flag =
slice_hdr->sao_chroma_flag;
slice_param->LongSliceFlags.fields.slice_temporal_mvp_enabled_flag =
slice_hdr->temporal_mvp_enabled_flag;
slice_param->LongSliceFlags.fields.slice_deblocking_filter_disabled_flag =
slice_hdr->deblocking_filter_disabled_flag;
slice_param->LongSliceFlags.fields.
slice_loop_filter_across_slices_enabled_flag =
slice_hdr->loop_filter_across_slices_enabled_flag;
if (!slice_hdr->temporal_mvp_enabled_flag)
slice_param->collocated_ref_idx = 0xFF;
else
slice_param->collocated_ref_idx = slice_hdr->collocated_ref_idx;
slice_param->num_ref_idx_l0_active_minus1 =
slice_hdr->num_ref_idx_l0_active_minus1;
slice_param->num_ref_idx_l1_active_minus1 =
slice_hdr->num_ref_idx_l1_active_minus1;
slice_param->slice_qp_delta = slice_hdr->qp_delta;
slice_param->slice_cb_qp_offset = slice_hdr->cb_qp_offset;
slice_param->slice_cr_qp_offset = slice_hdr->cr_qp_offset;
slice_param->slice_beta_offset_div2 = slice_hdr->beta_offset_div2;
slice_param->slice_tc_offset_div2 = slice_hdr->tc_offset_div2;
slice_param->five_minus_max_num_merge_cand =
slice_hdr->five_minus_max_num_merge_cand;
if (!fill_RefPicList (decoder, picture, slice, slice_hdr))
return FALSE;
if (!fill_pred_weight_table (decoder, slice, slice_hdr))
return FALSE;
return TRUE;
}
static GstVaapiDecoderStatus
decode_slice (GstVaapiDecoderH265 * decoder, GstVaapiDecoderUnit * unit)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiParserInfoH265 *const pi = unit->parsed_info;
GstVaapiPictureH265 *const picture = priv->current_picture;
GstH265SliceHdr *const slice_hdr = &pi->data.slice_hdr;
GstVaapiSlice *slice;
GstBuffer *const buffer =
GST_VAAPI_DECODER_CODEC_FRAME (decoder)->input_buffer;
GstMapInfo map_info;
GST_DEBUG ("slice (%u bytes)", pi->nalu.size);
if (!is_valid_state (pi->state, GST_H265_VIDEO_STATE_VALID_PICTURE_HEADERS)) {
GST_WARNING ("failed to receive enough headers to decode slice");
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
if (!ensure_pps (decoder, slice_hdr->pps)) {
GST_ERROR ("failed to activate PPS");
return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
}
if (!ensure_sps (decoder, slice_hdr->pps->sps)) {
GST_ERROR ("failed to activate SPS");
return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
}
if (!gst_buffer_map (buffer, &map_info, GST_MAP_READ)) {
GST_ERROR ("failed to map buffer");
return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
}
/* Check wether this is the first/last slice in the current access unit */
if (pi->flags & GST_VAAPI_DECODER_UNIT_FLAG_AU_START)
GST_VAAPI_PICTURE_FLAG_SET (picture, GST_VAAPI_PICTURE_FLAG_AU_START);
if (pi->flags & GST_VAAPI_DECODER_UNIT_FLAG_AU_END)
GST_VAAPI_PICTURE_FLAG_SET (picture, GST_VAAPI_PICTURE_FLAG_AU_END);
slice = GST_VAAPI_SLICE_NEW (HEVC, decoder,
(map_info.data + unit->offset + pi->nalu.offset), pi->nalu.size);
gst_buffer_unmap (buffer, &map_info);
if (!slice) {
GST_ERROR ("failed to allocate slice");
return GST_VAAPI_DECODER_STATUS_ERROR_ALLOCATION_FAILED;
}
init_picture_refs (decoder, picture, slice_hdr);
if (!fill_slice (decoder, picture, slice, pi, unit)) {
gst_vaapi_mini_object_unref (GST_VAAPI_MINI_OBJECT (slice));
return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
}
gst_vaapi_picture_add_slice (GST_VAAPI_PICTURE_CAST (picture), slice);
picture->last_slice_hdr = slice_hdr;
priv->decoder_state |= GST_H265_VIDEO_STATE_GOT_SLICE;
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static inline gint
scan_for_start_code (GstAdapter * adapter, guint ofs, guint size, guint32 * scp)
{
if (size == 0)
return -1;
return (gint) gst_adapter_masked_scan_uint32_peek (adapter,
0xffffff00, 0x00000100, ofs, size, scp);
}
static GstVaapiDecoderStatus
decode_unit (GstVaapiDecoderH265 * decoder, GstVaapiDecoderUnit * unit)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiParserInfoH265 *const pi = unit->parsed_info;
GstVaapiDecoderStatus status;
priv->decoder_state |= pi->state;
switch (pi->nalu.type) {
case GST_H265_NAL_VPS:
status = decode_vps (decoder, unit);
break;
case GST_H265_NAL_SPS:
status = decode_sps (decoder, unit);
break;
case GST_H265_NAL_PPS:
status = decode_pps (decoder, unit);
break;
case GST_H265_NAL_SLICE_TRAIL_N:
case GST_H265_NAL_SLICE_TRAIL_R:
case GST_H265_NAL_SLICE_TSA_N:
case GST_H265_NAL_SLICE_TSA_R:
case GST_H265_NAL_SLICE_STSA_N:
case GST_H265_NAL_SLICE_STSA_R:
case GST_H265_NAL_SLICE_RADL_N:
case GST_H265_NAL_SLICE_RADL_R:
case GST_H265_NAL_SLICE_RASL_N:
case GST_H265_NAL_SLICE_RASL_R:
case GST_H265_NAL_SLICE_BLA_W_LP:
case GST_H265_NAL_SLICE_BLA_W_RADL:
case GST_H265_NAL_SLICE_BLA_N_LP:
case GST_H265_NAL_SLICE_IDR_W_RADL:
case GST_H265_NAL_SLICE_IDR_N_LP:
case GST_H265_NAL_SLICE_CRA_NUT:
/* slice decoding will get started only after completing all the
initialization routines for each picture which is hanlding in
start_frame() call back, so the new_bitstream and prev_nal_is_eos
flags will have effects starting from the next frame onwards */
priv->new_bitstream = FALSE;
priv->prev_nal_is_eos = FALSE;
status = decode_slice (decoder, unit);
break;
case GST_H265_NAL_EOB:
priv->new_bitstream = TRUE;
GST_DEBUG
("Next AU(if there is any) will be the begining of new bitstream");
status = decode_sequence_end (decoder);
break;
case GST_H265_NAL_EOS:
priv->prev_nal_is_eos = TRUE;
status = decode_sequence_end (decoder);
break;
case GST_H265_NAL_SUFFIX_SEI:
case GST_H265_NAL_PREFIX_SEI:
status = decode_sei (decoder, unit);
break;
default:
GST_WARNING ("unsupported NAL unit type %d", pi->nalu.type);
status = GST_VAAPI_DECODER_STATUS_ERROR_BITSTREAM_PARSER;
break;
}
return status;
}
static GstVaapiDecoderStatus
gst_vaapi_decoder_h265_decode_codec_data (GstVaapiDecoder *
base_decoder, const guchar * buf, guint buf_size)
{
GstVaapiDecoderH265 *const decoder =
GST_VAAPI_DECODER_H265_CAST (base_decoder);
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiDecoderStatus status;
GstVaapiDecoderUnit unit;
GstVaapiParserInfoH265 *pi = NULL;
GstH265ParserResult result;
guint num_nal_arrays, num_nals;
guint i, j, ofs;
if (!priv->is_opened)
return GST_VAAPI_DECODER_STATUS_SUCCESS;
unit.parsed_info = NULL;
if (buf_size < 23)
return GST_VAAPI_DECODER_STATUS_ERROR_NO_DATA;
if (buf[0] != 1) {
GST_ERROR ("failed to decode codec-data, not in hvcC format");
return GST_VAAPI_DECODER_STATUS_ERROR_BITSTREAM_PARSER;
}
priv->nal_length_size = (buf[21] & 0x03) + 1;
GST_DEBUG ("nal length size %u", priv->nal_length_size);
num_nal_arrays = buf[22];
ofs = 23;
for (i = 0; i < num_nal_arrays; i++) {
if (ofs + 1 > buf_size)
return GST_VAAPI_DECODER_STATUS_ERROR_NO_DATA;
num_nals = GST_READ_UINT16_BE (buf + ofs + 1);
/* the max number of nals is GST_H265_MAX_PPS_COUNT (64) */
if (num_nals > 64)
return GST_VAAPI_DECODER_STATUS_ERROR_BITSTREAM_PARSER;
ofs += 3;
for (j = 0; j < num_nals; j++) {
pi = gst_vaapi_parser_info_h265_new ();
if (!pi)
return GST_VAAPI_DECODER_STATUS_ERROR_ALLOCATION_FAILED;
unit.parsed_info = pi;
result = gst_h265_parser_identify_nalu_hevc (priv->parser,
buf, ofs, buf_size, 2, &pi->nalu);
if (result != GST_H265_PARSER_OK) {
status = get_status (result);
goto cleanup;
}
switch (pi->nalu.type) {
case GST_H265_NAL_VPS:
status = parse_vps (decoder, &unit);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
goto cleanup;
status = decode_vps (decoder, &unit);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
goto cleanup;
break;
case GST_H265_NAL_SPS:
status = parse_sps (decoder, &unit);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
goto cleanup;
status = decode_sps (decoder, &unit);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
goto cleanup;
break;
case GST_H265_NAL_PPS:
status = parse_pps (decoder, &unit);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
goto cleanup;
status = decode_pps (decoder, &unit);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
goto cleanup;
break;
case GST_H265_NAL_SUFFIX_SEI:
case GST_H265_NAL_PREFIX_SEI:
status = parse_sei (decoder, &unit);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
goto cleanup;
status = decode_sei (decoder, &unit);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
goto cleanup;
break;
}
ofs = pi->nalu.offset + pi->nalu.size;
gst_vaapi_parser_info_h265_replace (&pi, NULL);
}
}
priv->is_hvcC = TRUE;
status = GST_VAAPI_DECODER_STATUS_SUCCESS;
cleanup:
gst_vaapi_parser_info_h265_replace (&pi, NULL);
return status;
}
static GstVaapiDecoderStatus
ensure_decoder (GstVaapiDecoderH265 * decoder)
{
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiDecoderStatus status;
if (!priv->is_opened) {
priv->is_opened = gst_vaapi_decoder_h265_open (decoder);
if (!priv->is_opened)
return GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_CODEC;
status =
gst_vaapi_decoder_decode_codec_data (GST_VAAPI_DECODER_CAST (decoder));
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
return status;
}
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static void
populate_dependent_slice_hdr (GstVaapiParserInfoH265 * pi,
GstVaapiParserInfoH265 * indep_pi)
{
GstH265SliceHdr *slice_hdr = &pi->data.slice_hdr;
GstH265SliceHdr *indep_slice_hdr = &indep_pi->data.slice_hdr;
memcpy (&slice_hdr->type, &indep_slice_hdr->type,
offsetof (GstH265SliceHdr, num_entry_point_offsets) -
offsetof (GstH265SliceHdr, type));
}
static GstVaapiDecoderStatus
gst_vaapi_decoder_h265_parse (GstVaapiDecoder * base_decoder,
GstAdapter * adapter, gboolean at_eos, GstVaapiDecoderUnit * unit)
{
GstVaapiDecoderH265 *const decoder =
GST_VAAPI_DECODER_H265_CAST (base_decoder);
GstVaapiDecoderH265Private *const priv = &decoder->priv;
GstVaapiParserState *const ps = GST_VAAPI_PARSER_STATE (base_decoder);
GstVaapiParserInfoH265 *pi;
GstVaapiDecoderStatus status;
GstH265ParserResult result;
guchar *buf;
guint i, size, buf_size, nalu_size, flags;
guint32 start_code;
gint ofs, ofs2;
gboolean at_au_end = FALSE;
status = ensure_decoder (decoder);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
return status;
switch (priv->stream_alignment) {
case GST_VAAPI_STREAM_ALIGN_H265_NALU:
case GST_VAAPI_STREAM_ALIGN_H265_AU:
size = gst_adapter_available_fast (adapter);
break;
default:
size = gst_adapter_available (adapter);
break;
}
if (priv->is_hvcC) {
if (size < priv->nal_length_size)
return GST_VAAPI_DECODER_STATUS_ERROR_NO_DATA;
buf = (guchar *) & start_code;
g_assert (priv->nal_length_size <= sizeof (start_code));
gst_adapter_copy (adapter, buf, 0, priv->nal_length_size);
nalu_size = 0;
for (i = 0; i < priv->nal_length_size; i++)
nalu_size = (nalu_size << 8) | buf[i];
buf_size = priv->nal_length_size + nalu_size;
if (size < buf_size)
return GST_VAAPI_DECODER_STATUS_ERROR_NO_DATA;
else if (priv->stream_alignment == GST_VAAPI_STREAM_ALIGN_H265_AU)
at_au_end = (buf_size == size);
} else {
if (size < 4)
return GST_VAAPI_DECODER_STATUS_ERROR_NO_DATA;
if (priv->stream_alignment == GST_VAAPI_STREAM_ALIGN_H265_NALU) {
buf_size = size;
ofs = scan_for_start_code (adapter, 4, size - 4, NULL);
if (ofs > 0)
buf_size = ofs;
} else {
ofs = scan_for_start_code (adapter, 0, size, NULL);
if (ofs < 0)
return GST_VAAPI_DECODER_STATUS_ERROR_NO_DATA;
if (ofs > 0) {
gst_adapter_flush (adapter, ofs);
size -= ofs;
}
ofs2 = ps->input_offset2 - ofs - 4;
if (ofs2 < 4)
ofs2 = 4;
ofs = G_UNLIKELY (size < ofs2 + 4) ? -1 :
scan_for_start_code (adapter, ofs2, size - ofs2, NULL);
if (ofs < 0) {
// Assume the whole NAL unit is present if end-of-stream
// or stream buffers aligned on access unit boundaries
if (priv->stream_alignment == GST_VAAPI_STREAM_ALIGN_H265_AU)
at_au_end = TRUE;
else if (!at_eos) {
ps->input_offset2 = size;
return GST_VAAPI_DECODER_STATUS_ERROR_NO_DATA;
}
ofs = size;
}
buf_size = ofs;
}
}
ps->input_offset2 = 0;
buf = (guchar *) gst_adapter_map (adapter, buf_size);
if (!buf)
return GST_VAAPI_DECODER_STATUS_ERROR_NO_DATA;
unit->size = buf_size;
pi = gst_vaapi_parser_info_h265_new ();
if (!pi)
return GST_VAAPI_DECODER_STATUS_ERROR_ALLOCATION_FAILED;
gst_vaapi_decoder_unit_set_parsed_info (unit,
pi, (GDestroyNotify) gst_vaapi_mini_object_unref);
if (priv->is_hvcC)
result = gst_h265_parser_identify_nalu_hevc (priv->parser,
buf, 0, buf_size, priv->nal_length_size, &pi->nalu);
else
result = gst_h265_parser_identify_nalu_unchecked (priv->parser,
buf, 0, buf_size, &pi->nalu);
status = get_status (result);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
goto exit;
switch (pi->nalu.type) {
case GST_H265_NAL_VPS:
status = parse_vps (decoder, unit);
break;
case GST_H265_NAL_SPS:
status = parse_sps (decoder, unit);
break;
case GST_H265_NAL_PPS:
status = parse_pps (decoder, unit);
break;
case GST_H265_NAL_PREFIX_SEI:
case GST_H265_NAL_SUFFIX_SEI:
status = parse_sei (decoder, unit);
break;
case GST_H265_NAL_SLICE_TRAIL_N:
case GST_H265_NAL_SLICE_TRAIL_R:
case GST_H265_NAL_SLICE_TSA_N:
case GST_H265_NAL_SLICE_TSA_R:
case GST_H265_NAL_SLICE_STSA_N:
case GST_H265_NAL_SLICE_STSA_R:
case GST_H265_NAL_SLICE_RADL_N:
case GST_H265_NAL_SLICE_RADL_R:
case GST_H265_NAL_SLICE_RASL_N:
case GST_H265_NAL_SLICE_RASL_R:
case GST_H265_NAL_SLICE_BLA_W_LP:
case GST_H265_NAL_SLICE_BLA_W_RADL:
case GST_H265_NAL_SLICE_BLA_N_LP:
case GST_H265_NAL_SLICE_IDR_W_RADL:
case GST_H265_NAL_SLICE_IDR_N_LP:
case GST_H265_NAL_SLICE_CRA_NUT:
status = parse_slice (decoder, unit);
break;
default:
status = GST_VAAPI_DECODER_STATUS_SUCCESS;
break;
}
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
goto exit;
flags = 0;
if (at_au_end) {
flags |= GST_VAAPI_DECODER_UNIT_FLAG_FRAME_END |
GST_VAAPI_DECODER_UNIT_FLAG_AU_END;
}
switch (pi->nalu.type) {
case GST_H265_NAL_AUD:
flags |= GST_VAAPI_DECODER_UNIT_FLAG_AU_START;
flags |= GST_VAAPI_DECODER_UNIT_FLAG_FRAME_START;
/* fall-through */
case GST_H265_NAL_FD:
flags |= GST_VAAPI_DECODER_UNIT_FLAG_SKIP;
break;
case GST_H265_NAL_EOB:
flags |= GST_VAAPI_DECODER_UNIT_FLAG_STREAM_END;
/* fall-through */
case GST_H265_NAL_SUFFIX_SEI:
case GST_H265_NAL_EOS:
flags |= GST_VAAPI_DECODER_UNIT_FLAG_FRAME_END;
flags |= GST_VAAPI_DECODER_UNIT_FLAG_AU_END;
break;
case GST_H265_NAL_VPS:
case GST_H265_NAL_SPS:
case GST_H265_NAL_PPS:
case GST_H265_NAL_PREFIX_SEI:
flags |= GST_VAAPI_DECODER_UNIT_FLAG_AU_START;
flags |= GST_VAAPI_DECODER_UNIT_FLAG_FRAME_START;
break;
case GST_H265_NAL_SLICE_TRAIL_N:
case GST_H265_NAL_SLICE_TRAIL_R:
case GST_H265_NAL_SLICE_TSA_N:
case GST_H265_NAL_SLICE_TSA_R:
case GST_H265_NAL_SLICE_STSA_N:
case GST_H265_NAL_SLICE_STSA_R:
case GST_H265_NAL_SLICE_RADL_N:
case GST_H265_NAL_SLICE_RADL_R:
case GST_H265_NAL_SLICE_RASL_N:
case GST_H265_NAL_SLICE_RASL_R:
case GST_H265_NAL_SLICE_BLA_W_LP:
case GST_H265_NAL_SLICE_BLA_W_RADL:
case GST_H265_NAL_SLICE_BLA_N_LP:
case GST_H265_NAL_SLICE_IDR_W_RADL:
case GST_H265_NAL_SLICE_IDR_N_LP:
case GST_H265_NAL_SLICE_CRA_NUT:
flags |= GST_VAAPI_DECODER_UNIT_FLAG_SLICE;
if (priv->prev_pi &&
(priv->prev_pi->flags & GST_VAAPI_DECODER_UNIT_FLAG_AU_END)) {
flags |= GST_VAAPI_DECODER_UNIT_FLAG_AU_START |
GST_VAAPI_DECODER_UNIT_FLAG_FRAME_START;
} else if (is_new_picture (pi, priv->prev_slice_pi)) {
flags |= GST_VAAPI_DECODER_UNIT_FLAG_FRAME_START;
if (is_new_access_unit (pi, priv->prev_slice_pi))
flags |= GST_VAAPI_DECODER_UNIT_FLAG_AU_START;
}
gst_vaapi_parser_info_h265_replace (&priv->prev_slice_pi, pi);
if (!pi->data.slice_hdr.dependent_slice_segment_flag)
gst_vaapi_parser_info_h265_replace (&priv->prev_independent_slice_pi,
pi);
else
populate_dependent_slice_hdr (pi, priv->prev_independent_slice_pi);
break;
default:
/* Fix */
break;
}
if ((flags & GST_VAAPI_DECODER_UNIT_FLAGS_AU) && priv->prev_slice_pi)
priv->prev_slice_pi->flags |= GST_VAAPI_DECODER_UNIT_FLAG_AU_END;
GST_VAAPI_DECODER_UNIT_FLAG_SET (unit, flags);
pi->nalu.data = NULL;
pi->state = priv->parser_state;
pi->flags = flags;
gst_vaapi_parser_info_h265_replace (&priv->prev_pi, pi);
return GST_VAAPI_DECODER_STATUS_SUCCESS;
exit:
gst_adapter_flush (adapter, unit->size);
gst_vaapi_parser_info_h265_unref (pi);
return status;
}
static GstVaapiDecoderStatus
gst_vaapi_decoder_h265_decode (GstVaapiDecoder * base_decoder,
GstVaapiDecoderUnit * unit)
{
GstVaapiDecoderH265 *const decoder =
GST_VAAPI_DECODER_H265_CAST (base_decoder);
GstVaapiDecoderStatus status;
status = ensure_decoder (decoder);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
return status;
return decode_unit (decoder, unit);
}
static GstVaapiDecoderStatus
gst_vaapi_decoder_h265_start_frame (GstVaapiDecoder * base_decoder,
GstVaapiDecoderUnit * unit)
{
GstVaapiDecoderH265 *const decoder =
GST_VAAPI_DECODER_H265_CAST (base_decoder);
return decode_picture (decoder, unit);
}
static GstVaapiDecoderStatus
gst_vaapi_decoder_h265_end_frame (GstVaapiDecoder * base_decoder)
{
GstVaapiDecoderH265 *const decoder =
GST_VAAPI_DECODER_H265_CAST (base_decoder);
return decode_current_picture (decoder);
}
static GstVaapiDecoderStatus
gst_vaapi_decoder_h265_flush (GstVaapiDecoder * base_decoder)
{
GstVaapiDecoderH265 *const decoder =
GST_VAAPI_DECODER_H265_CAST (base_decoder);
dpb_flush (decoder);
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static void
gst_vaapi_decoder_h265_class_init (GstVaapiDecoderH265Class * klass)
{
GstVaapiMiniObjectClass *const object_class =
GST_VAAPI_MINI_OBJECT_CLASS (klass);
GstVaapiDecoderClass *const decoder_class = GST_VAAPI_DECODER_CLASS (klass);
object_class->size = sizeof (GstVaapiDecoderH265);
object_class->finalize = (GDestroyNotify) gst_vaapi_decoder_finalize;
decoder_class->create = gst_vaapi_decoder_h265_create;
decoder_class->destroy = gst_vaapi_decoder_h265_destroy;
decoder_class->parse = gst_vaapi_decoder_h265_parse;
decoder_class->decode = gst_vaapi_decoder_h265_decode;
decoder_class->start_frame = gst_vaapi_decoder_h265_start_frame;
decoder_class->end_frame = gst_vaapi_decoder_h265_end_frame;
decoder_class->flush = gst_vaapi_decoder_h265_flush;
decoder_class->decode_codec_data = gst_vaapi_decoder_h265_decode_codec_data;
}
static inline const GstVaapiDecoderClass *
gst_vaapi_decoder_h265_class (void)
{
static GstVaapiDecoderH265Class g_class;
static gsize g_class_init = FALSE;
if (g_once_init_enter (&g_class_init)) {
gst_vaapi_decoder_h265_class_init (&g_class);
g_once_init_leave (&g_class_init, TRUE);
}
return GST_VAAPI_DECODER_CLASS (&g_class);
}
/**
* gst_vaapi_decoder_h265_set_alignment:
* @decoder: a #GstVaapiDecoderH265
* @alignment: the #GstVaapiStreamAlignH265
*
* Specifies how stream buffers are aligned / fed, i.e. the boundaries
* of each buffer that is supplied to the decoder. This could be no
* specific alignment, NAL unit boundaries, or access unit boundaries.
*/
void
gst_vaapi_decoder_h265_set_alignment (GstVaapiDecoderH265 * decoder,
GstVaapiStreamAlignH265 alignment)
{
g_return_if_fail (decoder != NULL);
decoder->priv.stream_alignment = alignment;
}
/**
* gst_vaapi_decoder_h265_new:
* @display: a #GstVaapiDisplay
* @caps: a #GstCaps holding codec information
*
* Creates a new #GstVaapiDecoder for MPEG-2 decoding. The @caps can
* hold extra information like codec-data and pictured coded size.
*
* Return value: the newly allocated #GstVaapiDecoder object
*/
GstVaapiDecoder *
gst_vaapi_decoder_h265_new (GstVaapiDisplay * display, GstCaps * caps)
{
return gst_vaapi_decoder_new (gst_vaapi_decoder_h265_class (), display, caps);
}
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