avcodec/riscv: add h264 dc idct rvv
- h264_idct4_add_dc_8bpp_c: 1.7
- h264_idct4_add_dc_8bpp_rvv_i64: 1.2
- h264_idct4_add_dc_9bpp_c: 1.5
- h264_idct4_add_dc_9bpp_rvv_i64: 0.7
- h264_idct4_add_dc_10bpp_c: 1.5
- h264_idct4_add_dc_10bpp_rvv_i64: 0.7
- h264_idct4_add_dc_12bpp_c: 1.5
- h264_idct4_add_dc_12bpp_rvv_i64: 17.7
- h264_idct4_add_dc_14bpp_c: 1.7
- h264_idct4_add_dc_14bpp_rvv_i64: 0.7
- h264_idct8_add_dc_8bpp_c: 6.2
- h264_idct8_add_dc_8bpp_rvv_i64: 2.2
- h264_idct8_add_dc_9bpp_c: 6.0
- h264_idct8_add_dc_9bpp_rvv_i64: 1.2
- h264_idct8_add_dc_10bpp_c: 6.0
- h264_idct8_add_dc_10bpp_rvv_i64: 1.2
- h264_idct8_add_dc_12bpp_c: 6.2
- h264_idct8_add_dc_12bpp_rvv_i64: 1.2
- h264_idct8_add_dc_14bpp_c: 6.2
- h264_idct8_add_dc_14bpp_rvv_i64: 1.5
Signed-off-by: J. Dekker jdek@itanimul.li
Edited by J. Dekker