[FFmpeg-devel] [PATCH] avcodec/mips: [loongson] fix mpeg4 decoding error on loongson platform.
Shiyou Yin
yinshiyou-hf at loongson.cn
Fri May 24 05:26:43 EEST 2019
In function ff_dct_unquantize_mpeg2_intra_mmi,
addr0 shoudn't be changed before storage operation.
---
libavcodec/mips/mpegvideo_mmi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/mips/mpegvideo_mmi.c b/libavcodec/mips/mpegvideo_mmi.c
index 18058e4..e4aba08 100644
--- a/libavcodec/mips/mpegvideo_mmi.c
+++ b/libavcodec/mips/mpegvideo_mmi.c
@@ -410,9 +410,9 @@ void ff_dct_unquantize_mpeg2_intra_mmi(MpegEncContext *s, int16_t *block,
"psubh %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
"pandn %[ftmp5], %[ftmp5], %[ftmp1] \n\t"
"pandn %[ftmp6], %[ftmp6], %[ftmp2] \n\t"
- PTR_ADDIU "%[addr0], %[addr0], 0x10 \n\t"
MMI_SDXC1(%[ftmp5], %[addr0], %[block], 0x00)
MMI_SDXC1(%[ftmp6], %[addr0], %[block], 0x08)
+ PTR_ADDIU "%[addr0], %[addr0], 0x10 \n\t"
"blez %[addr0], 1b \n\t"
: [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
[ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
--
2.1.0
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