On 1/5/2022 5:31 AM, Martin Storsjö wrote:
While this function on its own passes all of fate-hevc, there's
indications that the function might need to handle widths that
aren't a multiple of 8 (noted in commit
f63f9be37c799ddc835af358034630d31fb7db02, which later was
reverted).
---
libavcodec/aarch64/hevcdsp_init_aarch64.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/libavcodec/aarch64/hevcdsp_init_aarch64.c
b/libavcodec/aarch64/hevcdsp_init_aarch64.c
index c785e46f79..1e40be740c 100644
--- a/libavcodec/aarch64/hevcdsp_init_aarch64.c
+++ b/libavcodec/aarch64/hevcdsp_init_aarch64.c
@@ -75,7 +75,11 @@ av_cold void ff_hevc_dsp_init_aarch64(HEVCDSPContext *c,
const int bit_depth)
c->idct_dc[1] = ff_hevc_idct_8x8_dc_8_neon;
c->idct_dc[2] = ff_hevc_idct_16x16_dc_8_neon;
c->idct_dc[3] = ff_hevc_idct_32x32_dc_8_neon;
- c->sao_band_filter[0] = ff_hevc_sao_band_filter_8x8_8_neon;
+ // This function is disabled, as it doesn't handle widths that aren't
+ // an even multiple of 8 correctly. fate-hevc doesn't exercise that
+ // for the current size, but if enabled for bigger sizes, the cases
+ // of non-multiple of 8 seem to arise.
Can the checkasm test be extended to cover these cases?
+// c->sao_band_filter[0] = ff_hevc_sao_band_filter_8x8_8_neon;
}
if (bit_depth == 10) {
c->add_residual[0] = ff_hevc_add_residual_4x4_10_neon;
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