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avcodec/vvcdec: refact, fix naming convention of x0, y0 for sao

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it's mismatched with the ff_vvc_sao_filter function declaration
This commit is contained in:
Nuo Mi 2024-06-16 14:37:13 +08:00
parent ccf1d4172c
commit a69b07dc79
1 changed files with 11 additions and 13 deletions
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24
libavcodec/vvc/filter.c
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@ -237,10 +237,12 @@ static void sao_copy_hor(uint8_t *dst, const ptrdiff_t dst_stride,
static void sao_extends_edges(uint8_t *dst, const ptrdiff_t dst_stride,
const uint8_t *src, const ptrdiff_t src_stride, const int width, const int height,
const VVCFrameContext *fc, const int x, const int y, const int rx, const int ry, const int edges[4], const int c_idx)
const VVCFrameContext *fc, const int x0, const int y0, const int rx, const int ry, const int edges[4], const int c_idx)
{
const uint8_t *sao_h = fc->tab.sao_pixel_buffer_h[c_idx];
const uint8_t *sao_v = fc->tab.sao_pixel_buffer_v[c_idx];
const int x = x0 >> fc->ps.sps->hshift[c_idx];
const int y = y0 >> fc->ps.sps->vshift[c_idx];
const int w = fc->ps.pps->width >> fc->ps.sps->hshift[c_idx];
const int h = fc->ps.pps->height >> fc->ps.sps->vshift[c_idx];
const int ps = fc->ps.sps->pixel_shift;
@ -260,14 +262,14 @@ static void sao_extends_edges(uint8_t *dst, const ptrdiff_t dst_stride,
copy_ctb(dst, src, width << ps, height, dst_stride, src_stride);
}
void ff_vvc_sao_filter(VVCLocalContext *lc, int x, int y)
void ff_vvc_sao_filter(VVCLocalContext *lc, int x0, int y0)
{
VVCFrameContext *fc = lc->fc;
const int ctb_size_y = fc->ps.sps->ctb_size_y;
const VVCSPS *sps = fc->ps.sps;
static const uint8_t sao_tab[16] = { 0, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8 };
int c_idx, restore;
const int rx = x >> fc->ps.sps->ctb_log2_size_y;
const int ry = y >> fc->ps.sps->ctb_log2_size_y;
const int rx = x0 >> sps->ctb_log2_size_y;
const int ry = y0 >> sps->ctb_log2_size_y;
int edges[4] = { !rx, !ry, rx == fc->ps.pps->ctb_width - 1, ry == fc->ps.pps->ctb_height - 1 };
const SAOParams *sao = &CTB(fc->tab.sao, rx, ry);
// flags indicating unfilterable edges
@ -277,16 +279,12 @@ void ff_vvc_sao_filter(VVCLocalContext *lc, int x, int y)
sao_get_edges(vert_edge, horiz_edge, diag_edge, &restore, lc, edges, rx, ry);
for (c_idx = 0; c_idx < (fc->ps.sps->r->sps_chroma_format_idc ? 3 : 1); c_idx++) {
int x0 = x >> fc->ps.sps->hshift[c_idx];
int y0 = y >> fc->ps.sps->vshift[c_idx];
for (c_idx = 0; c_idx < (sps->r->sps_chroma_format_idc ? 3 : 1); c_idx++) {
ptrdiff_t src_stride = fc->frame->linesize[c_idx];
int ctb_size_h = ctb_size_y >> fc->ps.sps->hshift[c_idx];
int ctb_size_v = ctb_size_y >> fc->ps.sps->vshift[c_idx];
int width = FFMIN(ctb_size_h, (fc->ps.pps->width >> fc->ps.sps->hshift[c_idx]) - x0);
int height = FFMIN(ctb_size_v, (fc->ps.pps->height >> fc->ps.sps->vshift[c_idx]) - y0);
const int width = FFMIN(sps->ctb_size_y, fc->ps.pps->width - x0) >> sps->hshift[c_idx];
const int height = FFMIN(sps->ctb_size_y, fc->ps.pps->height - y0) >> sps->vshift[c_idx];
int tab = sao_tab[(FFALIGN(width, 8) >> 3) - 1];
uint8_t *src = POS(c_idx, x, y);
uint8_t *src = POS(c_idx, x0, y0);
switch (sao->type_idx[c_idx]) {
case SAO_BAND: