>-----Original Message-----
>From: ffmpeg-devel-boun...@ffmpeg.org [mailto:ffmpeg-devel-boun...@ffmpeg.org]
>On Behalf Of
>Jiaxun Yang
>Sent: Monday, June 8, 2020 11:32 AM
>To: ffmpeg-devel@ffmpeg.org
>Cc: yinshi...@loongson.cn; Jiaxun Yang
>Subject: [FFmpeg-devel] [PATCH v4 4/4] libavcodec: Enable runtime detection
>for MIPS MMI & MSA
>
>Apply optimized functions according to cpuflags.
>MSA is always put after MMI as it's usually faster than MMI.
>
>Signed-off-by: Jiaxun Yang <jiaxun.y...@flygoat.com>
>---
> libavcodec/mips/blockdsp_init_mips.c | 22 +++++++++++++-----
> libavcodec/mips/cabac.h | 2 +-
> libavcodec/mips/h263dsp_init_mips.c | 12 +++++++---
> libavcodec/mips/h264chroma_init_mips.c | 22 +++++++++++++-----
> libavcodec/mips/h264dsp_init_mips.c | 25 ++++++++++++++++-----
> libavcodec/mips/h264pred_init_mips.c | 25 ++++++++++++++++-----
> libavcodec/mips/h264qpel_init_mips.c | 22 +++++++++++++-----
> libavcodec/mips/hevcdsp_init_mips.c | 24 +++++++++++++++-----
> libavcodec/mips/hevcpred_init_mips.c | 12 +++++++---
> libavcodec/mips/hpeldsp_init_mips.c | 22 +++++++++++++-----
> libavcodec/mips/idctdsp_init_mips.c | 24 +++++++++++++++-----
> libavcodec/mips/me_cmp_init_mips.c | 12 +++++++---
> libavcodec/mips/mpegvideo_init_mips.c | 22 +++++++++++++-----
> libavcodec/mips/mpegvideoencdsp_init_mips.c | 13 ++++++++---
> libavcodec/mips/pixblockdsp_init_mips.c | 25 ++++++++++++++++-----
> libavcodec/mips/qpeldsp_init_mips.c | 12 +++++++---
> libavcodec/mips/vc1dsp_init_mips.c | 22 +++++++++++++-----
> libavcodec/mips/videodsp_init.c | 12 +++++++---
> libavcodec/mips/vp3dsp_init_mips.c | 22 +++++++++++++-----
> libavcodec/mips/vp8dsp_init_mips.c | 22 +++++++++++++-----
> libavcodec/mips/vp9dsp_init_mips.c | 22 +++++++++++++-----
> libavcodec/mips/wmv2dsp_init_mips.c | 12 +++++++---
> libavcodec/mips/xvididct_init_mips.c | 13 ++++++++---
> 23 files changed, 312 insertions(+), 109 deletions(-)
>
>diff --git a/libavcodec/mips/blockdsp_init_mips.c
>b/libavcodec/mips/blockdsp_init_mips.c
>index 55ac1c3e99..47170c17ef 100644
>--- a/libavcodec/mips/blockdsp_init_mips.c
>+++ b/libavcodec/mips/blockdsp_init_mips.c
>@@ -19,6 +19,7 @@
> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
> USA
> */
>
>+#include "libavutil/mips/cpu.h"
> #include "blockdsp_mips.h"
>
> #if HAVE_MSA
>@@ -30,6 +31,10 @@ static av_cold void blockdsp_init_msa(BlockDSPContext *c)
> c->fill_block_tab[0] = ff_fill_block16_msa;
> c->fill_block_tab[1] = ff_fill_block8_msa;
> }
>+#else
>+static av_cold void blockdsp_init_msa(BlockDSPContext *c)
>+{
>+}
> #endif // #if HAVE_MSA
>
> #if HAVE_MMI
>@@ -41,14 +46,19 @@ static av_cold void blockdsp_init_mmi(BlockDSPContext *c)
> c->fill_block_tab[0] = ff_fill_block16_mmi;
> c->fill_block_tab[1] = ff_fill_block8_mmi;
> }
>+#else
>+static av_cold void blockdsp_init_mmi(BlockDSPContext *c)
>+{
>+}
> #endif /* HAVE_MMI */
>
Move "#if HAVE_MSA " into the init function (Same in other init functions).
static av_cold void blockdsp_init_msa(BlockDSPContext *c)
{
#if HAVE_MSA
c->clear_block = ff_clear_block_msa;
c->clear_blocks = ff_clear_blocks_msa;
c->fill_block_tab[0] = ff_fill_block16_msa;
c->fill_block_tab[1] = ff_fill_block8_msa;
#endif // #if HAVE_MSA
}
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