On 3/3/2018 12:15 AM, Yingming Fan wrote:
> ---
> tests/checkasm/Makefile | 2 +-
> tests/checkasm/checkasm.c | 1 +
> tests/checkasm/checkasm.h | 1 +
> tests/checkasm/hevc_sao.c | 158
> ++++++++++++++++++++++++++++++++++++++++++++++
> tests/fate/checkasm.mak | 1 +
> 5 files changed, 162 insertions(+), 1 deletion(-)
> create mode 100644 tests/checkasm/hevc_sao.c
>
> diff --git a/tests/checkasm/Makefile b/tests/checkasm/Makefile
> index 77bdcf6e65..0520e264e2 100644
> --- a/tests/checkasm/Makefile
> +++ b/tests/checkasm/Makefile
> @@ -23,7 +23,7 @@ AVCODECOBJS-$(CONFIG_EXR_DECODER) += exrdsp.o
> AVCODECOBJS-$(CONFIG_HUFFYUV_DECODER) += huffyuvdsp.o
> AVCODECOBJS-$(CONFIG_JPEG2000_DECODER) += jpeg2000dsp.o
> AVCODECOBJS-$(CONFIG_PIXBLOCKDSP) += pixblockdsp.o
> -AVCODECOBJS-$(CONFIG_HEVC_DECODER) += hevc_add_res.o hevc_idct.o
> +AVCODECOBJS-$(CONFIG_HEVC_DECODER) += hevc_add_res.o hevc_idct.o
> hevc_sao.o
> AVCODECOBJS-$(CONFIG_UTVIDEO_DECODER) += utvideodsp.o
> AVCODECOBJS-$(CONFIG_V210_ENCODER) += v210enc.o
> AVCODECOBJS-$(CONFIG_VP9_DECODER) += vp9dsp.o
> diff --git a/tests/checkasm/checkasm.c b/tests/checkasm/checkasm.c
> index a4b8aff984..fe81d139c6 100644
> --- a/tests/checkasm/checkasm.c
> +++ b/tests/checkasm/checkasm.c
> @@ -116,6 +116,7 @@ static const struct {
> #if CONFIG_HEVC_DECODER
> { "hevc_add_res", checkasm_check_hevc_add_res },
> { "hevc_idct", checkasm_check_hevc_idct },
> + { "hevc_sao", checkasm_check_hevc_sao },
> #endif
> #if CONFIG_HUFFYUV_DECODER
> { "huffyuvdsp", checkasm_check_huffyuvdsp },
> diff --git a/tests/checkasm/checkasm.h b/tests/checkasm/checkasm.h
> index 3de38e6717..8b9d96bc15 100644
> --- a/tests/checkasm/checkasm.h
> +++ b/tests/checkasm/checkasm.h
> @@ -57,6 +57,7 @@ void checkasm_check_h264pred(void);
> void checkasm_check_h264qpel(void);
> void checkasm_check_hevc_add_res(void);
> void checkasm_check_hevc_idct(void);
> +void checkasm_check_hevc_sao(void);
> void checkasm_check_huffyuvdsp(void);
> void checkasm_check_jpeg2000dsp(void);
> void checkasm_check_llviddsp(void);
> diff --git a/tests/checkasm/hevc_sao.c b/tests/checkasm/hevc_sao.c
> new file mode 100644
> index 0000000000..e2a0a54e9b
> --- /dev/null
> +++ b/tests/checkasm/hevc_sao.c
> @@ -0,0 +1,158 @@
> +/*
> + * Copyright (c) 2018 Yingming Fan <yingming...@gmail.com>
> + *
> + * This file is part of FFmpeg.
> + *
> + * FFmpeg is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * FFmpeg 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 General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License along
> + * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
> + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
> + */
> +
> +#include <string.h>
> +
> +#include "libavutil/intreadwrite.h"
> +
> +#include "libavcodec/avcodec.h"
> +
> +#include "libavcodec/hevcdsp.h"
> +
> +#include "checkasm.h"
> +
> +static const uint32_t pixel_mask[3] = { 0xffffffff, 0x01ff01ff, 0x03ff03ff };
> +static const uint32_t sao_size[5] = {8, 16, 32, 48, 64};
> +
> +#define SIZEOF_PIXEL ((bit_depth + 7) / 8)
> +#define PIXEL_STRIDE (2*MAX_PB_SIZE + AV_INPUT_BUFFER_PADDING_SIZE) //same
> with sao_edge src_stride
> +#define BUF_SIZE (PIXEL_STRIDE * (64+2) * 2) //+2 for top and bottom row, *2
> for high bit depth
> +#define OFFSET_THRESH (1 << (bit_depth - 5))
> +#define OFFSET_LENGTH 5
> +
> +#define randomize_buffers(buf0, buf1, size) \
> + do { \
> + uint32_t mask = pixel_mask[bit_depth - 8]; \
> + int i; \
> + if (bit_depth == 8) { \
> + for (i = 0; i < size; i += 4) { \
> + uint32_t r = rnd() & mask; \
> + AV_WN32A(buf0 + i, r); \
> + AV_WN32A(buf1 + i, r); \
> + } \
> + } else { \
> + for (i = 0; i < size; i += 2) { \
> + uint32_t r = rnd() & mask; \
> + AV_WN32A((uint16_t *)buf0 + i, r); \
> + AV_WN32A((uint16_t *)buf1 + i, r); \
> + } \
> + } \
> + } while (0)
> +
> +#define randomize_buffers2(buf, size) \
> + do { \
> + uint32_t max_offset = OFFSET_THRESH; \
> + int i; \
> + if (bit_depth == 8) { \
> + for (i = 0; i < size; i++) { \
> + uint8_t r = rnd() % max_offset; \
> + buf[i] = r; \
> + } \
> + } else { \
> + for (i = 0; i < size; i++) { \
> + uint16_t r = rnd() % max_offset; \
> + buf[i] = r; \
> + } \
> + } \
> + } while (0)
> +
> +static void check_sao_band(HEVCDSPContext h, int bit_depth)
> +{
> + int i;
> + LOCAL_ALIGNED_32(uint8_t, dst0, [BUF_SIZE]);
> + LOCAL_ALIGNED_32(uint8_t, dst1, [BUF_SIZE]);
> + LOCAL_ALIGNED_32(uint8_t, src0, [BUF_SIZE]);
> + LOCAL_ALIGNED_32(uint8_t, src1, [BUF_SIZE]);
> + int16_t offset_val[OFFSET_LENGTH];
> + int left_class = rnd()%32;
> +
> + for (i = 0; i <= 4; i++) {
> + int block_size = sao_size[i];
> + ptrdiff_t stride = PIXEL_STRIDE*SIZEOF_PIXEL;
> + declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *dst, uint8_t *src,
> ptrdiff_t dst_stride, ptrdiff_t src_stride,
> + int16_t *sao_offset_val, int sao_left_class, int
> width, int height);
> +
> + randomize_buffers(src0, src1, BUF_SIZE/SIZEOF_PIXEL);
> + randomize_buffers2(offset_val, OFFSET_LENGTH);
> + memset(dst0, 0, BUF_SIZE);
> + memset(dst1, 0, BUF_SIZE);
> +
> + if (check_func(h.sao_band_filter[i], "hevc_sao_band_%dx%d_%d",
> block_size, block_size, bit_depth)) {
> + call_ref(dst0, src0, stride, stride, offset_val, left_class,
> block_size, block_size);
> + call_new(dst1, src1, stride, stride, offset_val, left_class,
> block_size, block_size);
> + if (memcmp(dst0, dst1, BUF_SIZE))
> + fail();
> + bench_new(dst1, src1, stride, stride, offset_val, left_class,
> block_size, block_size);
> + }
> + }
> +}
> +
> +static void check_sao_edge(HEVCDSPContext h, int bit_depth)
> +{
> + int i;
> + LOCAL_ALIGNED_32(uint8_t, dst0, [BUF_SIZE]);
> + LOCAL_ALIGNED_32(uint8_t, dst1, [BUF_SIZE]);
> + LOCAL_ALIGNED_32(uint8_t, src0, [BUF_SIZE]);
> + LOCAL_ALIGNED_32(uint8_t, src1, [BUF_SIZE]);
> + int16_t offset_val[OFFSET_LENGTH];
> + int eo = rnd()%4;
> +
> + for (i = 0; i <= 4; i++) {
> + int block_size = sao_size[i];
> + ptrdiff_t stride = PIXEL_STRIDE*SIZEOF_PIXEL;
> + int offset = (AV_INPUT_BUFFER_PADDING_SIZE +
> PIXEL_STRIDE)*SIZEOF_PIXEL;
> + declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *dst, uint8_t *src,
> ptrdiff_t stride_dst,
> + int16_t *sao_offset_val, int eo, int width, int
> height);
> +
> + randomize_buffers(src0, src1, BUF_SIZE/SIZEOF_PIXEL);
> + randomize_buffers2(offset_val, OFFSET_LENGTH);
> + memset(dst0, 0, BUF_SIZE);
> + memset(dst1, 0, BUF_SIZE);
> +
> + if (check_func(h.sao_edge_filter[i], "hevc_sao_edge_%dx%d_%d",
> block_size, block_size, bit_depth)) {
> + call_ref(dst0, src0 + offset, stride, offset_val, eo,
> block_size, block_size);
> + call_new(dst1, src1 + offset, stride, offset_val, eo,
> block_size, block_size);
> + if (memcmp(dst0, dst1, BUF_SIZE))
> + fail();
> + bench_new(dst1, src1 + offset, stride, offset_val, eo,
> block_size, block_size);
> + }
> + }
> +}
> +
> +void checkasm_check_hevc_sao(void)
> +{
> + int bit_depth;
> +
> + for (bit_depth = 8; bit_depth <= 10; bit_depth++) {
I don't think SIMD for 9bit hevc will ever be written, seeing we don't
even have conformance samples of such bitstreams. Doesn't hurt testing
it anyway just in case, i guess.
What we do have however are 12bit samples and SIMD, so it would be ideal
if you could test that here as well.
> + HEVCDSPContext h;
> +
> + ff_hevc_dsp_init(&h, bit_depth);
> + check_sao_band(h, bit_depth);
> + }
> + report("sao_band");
> +
> + for (bit_depth = 8; bit_depth <= 10; bit_depth++) {
> + HEVCDSPContext h;
> +
> + ff_hevc_dsp_init(&h, bit_depth);
> + check_sao_edge(h, bit_depth);
> + }
> + report("sao_edge");
> +}
> diff --git a/tests/fate/checkasm.mak b/tests/fate/checkasm.mak
> index 826ac16789..cf62f9b119 100644
> --- a/tests/fate/checkasm.mak
> +++ b/tests/fate/checkasm.mak
> @@ -14,6 +14,7 @@ FATE_CHECKASM = fate-checkasm-aacpsdsp
> \
> fate-checkasm-h264qpel \
> fate-checkasm-hevc_add_res \
> fate-checkasm-hevc_idct \
> + fate-checkasm-hevc_sao \
> fate-checkasm-jpeg2000dsp \
> fate-checkasm-llviddsp \
> fate-checkasm-llviddspenc \
>
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