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lavc/hevcdec: move active SPS from HEVCParamSets to HEVCLayerContext 

Currently active SPS is a per-layer property.
This commit is contained in:
Anton Khirnov 2024-06-05 16:37:30 +02:00
parent 9bccc634af
commit fc8df81cb1
7 changed files with 33 additions and 37 deletions
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29
libavcodec/hevc/hevcdec.c
View File

@ -555,7 +555,7 @@ static int set_sps(HEVCContext *s, HEVCLayerContext *l, const HEVCSPS *sps)
int ret;
pic_arrays_free(l);
s->ps.sps = NULL;
ff_refstruct_unref(&l->sps);
ff_refstruct_unref(&s->vps);
if (!sps)
@ -569,14 +569,14 @@ static int set_sps(HEVCContext *s, HEVCLayerContext *l, const HEVCSPS *sps)
ff_hevc_dsp_init (&s->hevcdsp, sps->bit_depth);
ff_videodsp_init (&s->vdsp, sps->bit_depth);
s->ps.sps = sps;
l->sps = ff_refstruct_ref_c(sps);
s->vps = ff_refstruct_ref_c(sps->vps);
return 0;
fail:
pic_arrays_free(l);
s->ps.sps = NULL;
ff_refstruct_unref(&l->sps);
return ret;
}
@ -2831,6 +2831,7 @@ static int decode_slice_data(HEVCContext *s, const HEVCLayerContext *l,
static int set_side_data(HEVCContext *s)
{
const HEVCSPS *sps = s->cur_frame->pps->sps;
AVFrame *out = s->cur_frame->f;
int ret;
@ -2846,8 +2847,8 @@ static int set_side_data(HEVCContext *s)
}
ret = ff_h2645_sei_to_frame(out, &s->sei.common, AV_CODEC_ID_HEVC, s->avctx,
&s->ps.sps->vui.common,
s->ps.sps->bit_depth, s->ps.sps->bit_depth_chroma,
&sps->vui.common,
sps->bit_depth, sps->bit_depth_chroma,
s->cur_frame->poc /* no poc_offset in HEVC */);
if (ret < 0)
return ret;
@ -2932,7 +2933,7 @@ static int hevc_frame_start(HEVCContext *s, HEVCLayerContext *l)
}
ff_refstruct_replace(&s->pps, pps);
if (s->ps.sps != sps) {
if (l->sps != sps) {
enum AVPixelFormat pix_fmt;
ff_hevc_clear_refs(l);
@ -3523,8 +3524,10 @@ static av_cold int hevc_decode_free(AVCodecContext *avctx)
{
HEVCContext *s = avctx->priv_data;
for (int i = 0; i < FF_ARRAY_ELEMS(s->layers); i++)
for (int i = 0; i < FF_ARRAY_ELEMS(s->layers); i++) {
pic_arrays_free(&s->layers[i]);
ff_refstruct_unref(&s->layers[i].sps);
}
ff_refstruct_unref(&s->vps);
ff_refstruct_unref(&s->pps);
@ -3620,10 +3623,14 @@ static int hevc_update_thread_context(AVCodecContext *dst,
return ret;
}
}
if (l->sps != l0->sps) {
ret = set_sps(s, l, l0->sps);
if (ret < 0)
return ret;
}
}
if (s->ps.sps != s0->ps.sps)
s->ps.sps = NULL;
for (int i = 0; i < FF_ARRAY_ELEMS(s->ps.vps_list); i++)
ff_refstruct_replace(&s->ps.vps_list[i], s0->ps.vps_list[i]);
@ -3636,10 +3643,6 @@ static int hevc_update_thread_context(AVCodecContext *dst,
// PPS do not persist between frames
ff_refstruct_unref(&s->pps);
if (s->ps.sps != s0->ps.sps)
if ((ret = set_sps(s, &s->layers[0], s0->ps.sps)) < 0)
return ret;
s->poc_tid0 = s0->poc_tid0;
s->eos = s0->eos;
s->no_rasl_output_flag = s0->no_rasl_output_flag;

2
libavcodec/hevc/hevcdec.h
View File

@ -442,6 +442,8 @@ typedef struct HEVCLocalContext {
typedef struct HEVCLayerContext {
HEVCFrame DPB[32];
const HEVCSPS *sps; // RefStruct reference
int bs_width;
int bs_height;

6
libavcodec/hevc/ps.c
View File

@ -66,15 +66,11 @@ static void remove_sps(HEVCParamSets *s, int id)
{
int i;
if (s->sps_list[id]) {
if (s->sps == s->sps_list[id])
s->sps = NULL;
/* drop all PPS that depend on this SPS */
for (i = 0; i < FF_ARRAY_ELEMS(s->pps_list); i++)
if (s->pps_list[i] && s->pps_list[i]->sps_id == id)
ff_refstruct_unref(&s->pps_list[i]);
av_assert0(!(s->sps_list[id] && s->sps == s->sps_list[id]));
ff_refstruct_unref(&s->sps_list[id]);
}
}
@ -2045,8 +2041,6 @@ void ff_hevc_ps_uninit(HEVCParamSets *ps)
ff_refstruct_unref(&ps->sps_list[i]);
for (i = 0; i < FF_ARRAY_ELEMS(ps->pps_list); i++)
ff_refstruct_unref(&ps->pps_list[i]);
ps->sps = NULL;
}
int ff_hevc_compute_poc(const HEVCSPS *sps, int pocTid0, int poc_lsb, int nal_unit_type)

3
libavcodec/hevc/ps.h
View File

@ -447,9 +447,6 @@ typedef struct HEVCParamSets {
const HEVCVPS *vps_list[HEVC_MAX_VPS_COUNT]; ///< RefStruct references
const HEVCSPS *sps_list[HEVC_MAX_SPS_COUNT]; ///< RefStruct references
const HEVCPPS *pps_list[HEVC_MAX_PPS_COUNT]; ///< RefStruct references
/* currently active parameter sets */
const HEVCSPS *sps;
} HEVCParamSets;
/**

24
libavcodec/hevc/refs.c
View File

@ -103,7 +103,7 @@ static HEVCFrame *alloc_frame(HEVCContext *s, HEVCLayerContext *l)
frame->rpl_tab = ff_refstruct_pool_get(l->rpl_tab_pool);
if (!frame->rpl_tab)
goto fail;
frame->ctb_count = s->ps.sps->ctb_width * s->ps.sps->ctb_height;
frame->ctb_count = l->sps->ctb_width * l->sps->ctb_height;
for (j = 0; j < frame->ctb_count; j++)
frame->rpl_tab[j] = frame->rpl;
@ -157,10 +157,10 @@ int ff_hevc_set_new_ref(HEVCContext *s, HEVCLayerContext *l, int poc)
ref->flags = HEVC_FRAME_FLAG_SHORT_REF;
ref->poc = poc;
ref->f->crop_left = s->ps.sps->output_window.left_offset;
ref->f->crop_right = s->ps.sps->output_window.right_offset;
ref->f->crop_top = s->ps.sps->output_window.top_offset;
ref->f->crop_bottom = s->ps.sps->output_window.bottom_offset;
ref->f->crop_left = l->sps->output_window.left_offset;
ref->f->crop_right = l->sps->output_window.right_offset;
ref->f->crop_top = l->sps->output_window.top_offset;
ref->f->crop_bottom = l->sps->output_window.bottom_offset;
return 0;
}
@ -321,7 +321,7 @@ int ff_hevc_slice_rpl(HEVCContext *s)
static HEVCFrame *find_ref_idx(HEVCContext *s, HEVCLayerContext *l,
int poc, uint8_t use_msb)
{
int mask = use_msb ? ~0 : (1 << s->ps.sps->log2_max_poc_lsb) - 1;
int mask = use_msb ? ~0 : (1 << l->sps->log2_max_poc_lsb) - 1;
int i;
for (i = 0; i < FF_ARRAY_ELEMS(l->DPB); i++) {
@ -354,16 +354,16 @@ static HEVCFrame *generate_missing_ref(HEVCContext *s, HEVCLayerContext *l, int
return NULL;
if (!s->avctx->hwaccel) {
if (!s->ps.sps->pixel_shift) {
if (!l->sps->pixel_shift) {
for (i = 0; frame->f->data[i]; i++)
memset(frame->f->data[i], 1 << (s->ps.sps->bit_depth - 1),
frame->f->linesize[i] * AV_CEIL_RSHIFT(s->ps.sps->height, s->ps.sps->vshift[i]));
memset(frame->f->data[i], 1 << (l->sps->bit_depth - 1),
frame->f->linesize[i] * AV_CEIL_RSHIFT(l->sps->height, l->sps->vshift[i]));
} else {
for (i = 0; frame->f->data[i]; i++)
for (y = 0; y < (s->ps.sps->height >> s->ps.sps->vshift[i]); y++) {
for (y = 0; y < (l->sps->height >> l->sps->vshift[i]); y++) {
uint8_t *dst = frame->f->data[i] + y * frame->f->linesize[i];
AV_WN16(dst, 1 << (s->ps.sps->bit_depth - 1));
av_memcpy_backptr(dst + 2, 2, 2*(s->ps.sps->width >> s->ps.sps->hshift[i]) - 2);
AV_WN16(dst, 1 << (l->sps->bit_depth - 1));
av_memcpy_backptr(dst + 2, 2, 2*(l->sps->width >> l->sps->hshift[i]) - 2);
}
}
}

4
libavcodec/vaapi_hevc.c
View File

@ -407,7 +407,7 @@ static void fill_pred_weight_table(AVCodecContext *avctx,
slice_param->luma_log2_weight_denom = sh->luma_log2_weight_denom;
if (h->ps.sps->chroma_format_idc) {
if (h->pps->sps->chroma_format_idc) {
slice_param->delta_chroma_log2_weight_denom = sh->chroma_log2_weight_denom - sh->luma_log2_weight_denom;
}
@ -596,7 +596,7 @@ static int ptl_convert(const PTLCommon *general_ptl, H265RawProfileTierLevel *h2
VAProfile ff_vaapi_parse_hevc_rext_scc_profile(AVCodecContext *avctx)
{
const HEVCContext *h = avctx->priv_data;
const HEVCSPS *sps = h->ps.sps;
const HEVCSPS *sps = h->pps->sps;
const PTL *ptl = &sps->ptl;
const PTLCommon *general_ptl = &ptl->general_ptl;
const H265ProfileDescriptor *profile;

2
libavcodec/vdpau_hevc.c
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@ -470,7 +470,7 @@ static int ptl_convert(const PTLCommon *general_ptl, H265RawProfileTierLevel *h2
static int vdpau_hevc_parse_rext_profile(AVCodecContext *avctx, VdpDecoderProfile *vdp_profile)
{
const HEVCContext *h = avctx->priv_data;
const HEVCSPS *sps = h->ps.sps;
const HEVCSPS *sps = h->pps->sps;
const PTL *ptl = &sps->ptl;
const PTLCommon *general_ptl = &ptl->general_ptl;
const H265ProfileDescriptor *profile;