ffmpeg

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Files

Andreas Rheinhardt 0f105b96a3 avcodec/x86/hevc/idct: Port ff_hevc_idct_4x4_dc_{8,10,12}_mmxext to SSE2

Practically no change in benchmarks (and in codesize).

hevc_idct_4x4_dc_8_c:                                    7.8 ( 1.00x)
hevc_idct_4x4_dc_8_mmxext:                               6.9 ( 1.14x)
hevc_idct_4x4_dc_8_sse2:                                 6.8 ( 1.15x)
hevc_idct_4x4_dc_10_c:                                   7.9 ( 1.00x)
hevc_idct_4x4_dc_10_mmxext:                              6.9 ( 1.16x)
hevc_idct_4x4_dc_10_sse2:                                6.8 ( 1.16x)
hevc_idct_4x4_dc_12_c:                                   7.8 ( 1.00x)
hevc_idct_4x4_dc_12_mmxext:                              7.0 ( 1.13x)
hevc_idct_4x4_dc_12_sse2:                                6.8 ( 1.15x)

Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

2025-10-30 08:56:45 +01:00