[FFmpeg-devel] [PATCH 4/9] avcodec/mips: [loongson] optimize memset in h264dsp.

2018-07-12 Thread Shiyou Yin
Optimized memset with mmi in following functions: 1. ff_h264_add_pixels4_8_mmi. 2. ff_h264_idct_add_8_mmi. 3. ff_h264_idct8_add_8_mmi. This optimization improved h264 decoding performance about 1fps(tested on loongson 3A3000). Change-Id: I4e8b75510e6a34b4c80f84ad784b00377570c4ec Signed-off-by: S

[FFmpeg-devel] [PATCH 4/9] avcodec/mips: [loongson] optimize memset in h264dsp.

2018-07-11 Thread Shiyou Yin
Optimized memset with mmi in following functions: 1. ff_h264_add_pixels4_8_mmi. 2. ff_h264_idct_add_8_mmi. 3. ff_h264_idct8_add_8_mmi. Change-Id: If2656d2c945ce7996c0d5398f8fbae94540f1d83 Signed-off-by: Shiyou Yin --- libavcodec/mips/h264dsp_mmi.c | 36 +--- 1 fil