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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: --- libavcodec/vvc/filter.c | 108 +++++++++++++++++++--------------------- 1 file changed, 50 insertions(+), 58 deletions(-) diff --git a/libavcodec/vvc/filter.c b/libavcodec/vvc/filter.c index 1326d2c82e..534ba57205 100644 --- a/libavcodec/vvc/filter.c +++ b/libavcodec/vvc/filter.c @@ -214,6 +214,52 @@ static void sao_get_edges(uint8_t vert_edge[2], uint8_t horiz_edge[2], uint8_t d diag_edge[3] = !sao_can_cross_slices(fc, rx, ry, -1, 1) || lf_edge[LEFT] || lf_edge[BOTTOM]; } +static void sao_copy_hor(uint8_t *dst, const ptrdiff_t dst_stride, + const uint8_t *src, const ptrdiff_t src_stride, const int width, const int edges[4], const int ps) +{ + const int left = 1 - edges[LEFT]; + const int right = 1 - edges[RIGHT]; + int pos = 0; + + src -= left << ps; + dst -= left << ps; + + if (left) { + copy_pixel(dst, src, ps); + pos += (1 << ps); + } + memcpy(dst + pos, src + pos, width << ps); + if (right) { + pos += width << ps; + copy_pixel(dst + pos, src + pos, ps); + } +} + +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 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 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; + + if (!edges[TOP]) + sao_copy_hor(dst - dst_stride, dst_stride, sao_h + (((2 * ry - 1) * w + x) << ps), src_stride, width, edges, ps); + + if (!edges[BOTTOM]) + sao_copy_hor(dst + height * dst_stride, dst_stride, sao_h + (((2 * ry + 2) * w + x) << ps), src_stride, width, edges, ps); + + if (!edges[LEFT]) + copy_vert(dst - (1 << ps), sao_v + (((2 * rx - 1) * h + y) << ps), ps, height, dst_stride, 1 << ps); + + if (!edges[RIGHT]) + copy_vert(dst + (width << ps), sao_v + (((2 * rx + 2) * h + y) << ps), ps, height, dst_stride, 1 << ps); + + copy_ctb(dst, src, width << ps, height, dst_stride, src_stride); +} + void ff_vvc_sao_filter(VVCLocalContext *lc, int x, int y) { VVCFrameContext *fc = lc->fc; @@ -241,8 +287,6 @@ void ff_vvc_sao_filter(VVCLocalContext *lc, int x, int y) int height = FFMIN(ctb_size_v, (fc->ps.pps->height >> fc->ps.sps->vshift[c_idx]) - y0); int tab = sao_tab[(FFALIGN(width, 8) >> 3) - 1]; uint8_t *src = POS(c_idx, x, y); - ptrdiff_t dst_stride; - uint8_t *dst; switch (sao->type_idx[c_idx]) { case SAO_BAND: @@ -251,63 +295,11 @@ void ff_vvc_sao_filter(VVCLocalContext *lc, int x, int y) break; case SAO_EDGE: { - 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 sh = fc->ps.sps->pixel_shift; - - dst_stride = 2*MAX_PB_SIZE + AV_INPUT_BUFFER_PADDING_SIZE; - dst = lc->sao_buffer + dst_stride + AV_INPUT_BUFFER_PADDING_SIZE; - - if (!edges[TOP]) { - const int left = 1 - edges[LEFT]; - const int right = 1 - edges[RIGHT]; - const uint8_t *src1; - uint8_t *dst1; - int pos = 0; - - dst1 = dst - dst_stride - (left << sh); - src1 = fc->tab.sao_pixel_buffer_h[c_idx] + (((2 * ry - 1) * w + x0 - left) << sh); - if (left) { - copy_pixel(dst1, src1, sh); - pos += (1 << sh); - } - memcpy(dst1 + pos, src1 + pos, width << sh); - if (right) { - pos += width << sh; - copy_pixel(dst1 + pos, src1 + pos, sh); - } - } - if (!edges[BOTTOM]) { - const int left = 1 - edges[LEFT]; - const int right = 1 - edges[RIGHT]; - const uint8_t *src1; - uint8_t *dst1; - int pos = 0; - - dst1 = dst + height * dst_stride - (left << sh); - src1 = fc->tab.sao_pixel_buffer_h[c_idx] + (((2 * ry + 2) * w + x0 - left) << sh); - if (left) { - copy_pixel(dst1, src1, sh); - pos += (1 << sh); - } - memcpy(dst1 + pos, src1 + pos, width << sh); - if (right) { - pos += width << sh; - copy_pixel(dst1 + pos, src1 + pos, sh); - } - } - if (!edges[LEFT]) { - copy_vert(dst - (1 << sh), - fc->tab.sao_pixel_buffer_v[c_idx] + (((2 * rx - 1) * h + y0) << sh), - sh, height, dst_stride, 1 << sh); - } - if (!edges[RIGHT]) { - copy_vert(dst + (width << sh), - fc->tab.sao_pixel_buffer_v[c_idx] + (((2 * rx + 2) * h + y0) << sh), - sh, height, dst_stride, 1 << sh); - } + const ptrdiff_t dst_stride = 2 * MAX_PB_SIZE + AV_INPUT_BUFFER_PADDING_SIZE; + uint8_t *dst = lc->sao_buffer + dst_stride + AV_INPUT_BUFFER_PADDING_SIZE; + + sao_extends_edges(dst, dst_stride, src, src_stride, width, height, fc, x0, y0, rx, ry, edges, c_idx); - copy_ctb(dst, src, width << sh, height, dst_stride, src_stride); fc->vvcdsp.sao.edge_filter[tab](src, dst, src_stride, sao->offset_val[c_idx], sao->eo_class[c_idx], width, height); fc->vvcdsp.sao.edge_restore[restore](src, dst, src_stride, dst_stride, -- 2.34.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".