From: Hao Chen <chenhao@loongson.cn>
To: ffmpeg-devel@ffmpeg.org
Subject: Re: [FFmpeg-devel] [PATCH] avcodec/mips: Fix MMI macro replaces in HEVC Decoder
Date: Thu, 18 Aug 2022 16:29:59 +0800
Message-ID: <2826d40f-bcf2-3c2d-5dbe-e3291d7b16dc@loongson.cn> (raw)
In-Reply-To: <09316e8e931c4f33a5980bb97ae3cca3@360.cn>
There are still some bugs unresolved in HEVC decoding. The
checkasm-hevc-pel test failed. It's suggested to repair together.
在 2022/8/18 下午3:15, 戚铁铮 写道:
> The latest commit of Loongson MMI macro replaces were incorrect.
> It makes a mass of green tints on HEVC videos when playing. I've
> compared it with the older MMI implementation, and found out that
> several lines have been replaced by wrong macros.
>
>
> Signed-off-by: Qi Tiezheng <qitiezheng@360.cn>
> ---
> libavcodec/mips/hevcdsp_mmi.c | 16 ++++++++--------
> 1 file changed, 8 insertions(+), 8 deletions(-)
>
>
> diff --git a/libavcodec/mips/hevcdsp_mmi.c b/libavcodec/mips/hevcdsp_mmi.c
> index 0ea88a7c08..2ded3fc0bb 100644
> --- a/libavcodec/mips/hevcdsp_mmi.c
> +++ b/libavcodec/mips/hevcdsp_mmi.c
> @@ -80,7 +80,7 @@ void ff_hevc_put_hevc_qpel_h##w##_8_mmi(int16_t *dst, const uint8_t *_src, \
> "paddh %[ftmp3], %[ftmp3], %[ftmp4] \n\t" \
> "paddh %[ftmp5], %[ftmp5], %[ftmp6] \n\t" \
> "paddh %[ftmp3], %[ftmp3], %[ftmp5] \n\t" \
> - MMI_ULDC1(%[ftmp3], %[dst], 0x00) \
> + MMI_USDC1(%[ftmp3], %[dst], 0x00) \
> \
> "daddi %[x], %[x], -0x01 \n\t" \
> PTR_ADDIU "%[src], %[src], 0x04 \n\t" \
> @@ -178,7 +178,7 @@ void ff_hevc_put_hevc_qpel_hv##w##_8_mmi(int16_t *dst, const uint8_t *_src,\
> "paddh %[ftmp3], %[ftmp3], %[ftmp4] \n\t" \
> "paddh %[ftmp5], %[ftmp5], %[ftmp6] \n\t" \
> "paddh %[ftmp3], %[ftmp3], %[ftmp5] \n\t" \
> - MMI_ULDC1(%[ftmp3], %[tmp], 0x00) \
> + MMI_USDC1(%[ftmp3], %[tmp], 0x00) \
> \
> "daddi %[x], %[x], -0x01 \n\t" \
> PTR_ADDIU "%[src], %[src], 0x04 \n\t" \
> @@ -690,10 +690,10 @@ void ff_hevc_put_hevc_epel_bi_hv##w##_8_mmi(uint8_t *_dst, \
> \
> "1: \n\t" \
> "2: \n\t" \
> - MMI_ULDC1(%[ftmp3], %[src], 0x00) \
> - MMI_ULDC1(%[ftmp4], %[src], 0x01) \
> - MMI_ULDC1(%[ftmp5], %[src], 0x02) \
> - MMI_ULDC1(%[ftmp6], %[src], 0x03) \
> + MMI_ULWC1(%[ftmp2], %[src], 0x00) \
> + MMI_ULWC1(%[ftmp3], %[src], 0x01) \
> + MMI_ULWC1(%[ftmp4], %[src], 0x02) \
> + MMI_ULWC1(%[ftmp5], %[src], 0x03) \
> "punpcklbh %[ftmp2], %[ftmp2], %[ftmp0] \n\t" \
> "pmullh %[ftmp2], %[ftmp2], %[ftmp1] \n\t" \
> "punpcklbh %[ftmp3], %[ftmp3], %[ftmp0] \n\t" \
> @@ -707,7 +707,7 @@ void ff_hevc_put_hevc_epel_bi_hv##w##_8_mmi(uint8_t *_dst, \
> "paddh %[ftmp2], %[ftmp2], %[ftmp3] \n\t" \
> "paddh %[ftmp4], %[ftmp4], %[ftmp5] \n\t" \
> "paddh %[ftmp2], %[ftmp2], %[ftmp4] \n\t" \
> - MMI_ULDC1(%[ftmp2], %[tmp], 0x00) \
> + MMI_USDC1(%[ftmp2], %[tmp], 0x00) \
> \
> "daddi %[x], %[x], -0x01 \n\t" \
> PTR_ADDIU "%[src], %[src], 0x04 \n\t" \
> @@ -773,7 +773,7 @@ void ff_hevc_put_hevc_epel_bi_hv##w##_8_mmi(uint8_t *_dst, \
> "paddw %[ftmp5], %[ftmp5], %[ftmp6] \n\t" \
> "psraw %[ftmp5], %[ftmp5], %[ftmp0] \n\t" \
> "packsswh %[ftmp3], %[ftmp3], %[ftmp5] \n\t" \
> - MMI_ULDC1(%[ftmp4], %[tmp], 0x02) \
> + MMI_ULDC1(%[ftmp4], %[tmp], 0x00) \
> "li %[rtmp0], 0x10 \n\t" \
> "dmtc1 %[rtmp0], %[ftmp8] \n\t" \
> "punpcklhw %[ftmp5], %[ftmp2], %[ftmp3] \n\t" \
> --
> 2.25.1
>
>
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next prev parent reply other threads:[~2022-08-18 8:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-18 7:15 戚铁铮
2022-08-18 8:29 ` Hao Chen [this message]
2022-08-18 9:17 ` 殷时友
2022-08-18 10:26 戚铁铮
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