[FFmpeg-devel] [PATCH] avcodec: [loongson] fix bug of mss2-wmv failed in fate test.

Michael Niedermayer michael at niedermayer.cc
Wed Sep 5 04:03:53 EEST 2018

On Mon, Sep 03, 2018 at 11:31:46AM +0800, Shiyou Yin wrote:
> Failed case: mss2-wmv
> In following functions, pmullh was used to multiply two 16-bit data, this will cause data overflow.
> 1. ff_vc1_inv_trans_8x8_dc_mmi
> 2. ff_vc1_inv_trans_8x8_mmi
> 3. ff_vc1_inv_trans_8x4_mmi
> 4. ff_vc1_inv_trans_4x8_mmi
> 5. ff_vc1_inv_trans_4x4_mmi

will apply

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

While the State exists there can be no freedom; when there is freedom there
will be no State. -- Vladimir Lenin
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