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Commit Graph

7 Commits (fd1a1f1484420379f27ec5dea8ae28dd0063d531)

Author	SHA1	Message	Date
Christophe GISQUET	9ba9c34024	rv34: 1-pass inter MB reconstruction ... Implement 1-pass inverse transform and reconstruction for inter blocks.	13 years ago
Christophe GISQUET	d78062386e	rv34: Intra 16x16 handling ... Extract processing of intra 16x16 blocks from intra macroblock processing. Also implement a function performing inverse transform and block reconstruction for DC-only blocks in 1 pass instead of 2.	13 years ago
Christophe GISQUET	3faa303a47	rv34: DC-only inverse transform ... When decoding coefficients, detect whether the block is DC-only, and take advantage of this knowledge to perform DC-only inverse transform. This is achieved by: - first, changing the 108x4 element modulo_three_table into a 108 element table (kind of base4), and accessing each value using mask and shifts. - then, checking low bits for 0 (as they represent the presence of higher frequency coefficients) Also provide x86 SIMD code for the DC-only inverse transform. Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>	13 years ago
Christophe GISQUET	98f24ecd6c	rv34: joint coefficient decoding and dequantization ... Perform dequantization while decoding coefficients instead of performing it on the entire coefficients buffer. Since quantized coefficients are very sparse, this usually causes a small speedup. Speedup of around 1% on Panda board compared to the removed here neon code. Global speedup is probably around 3%. Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>	13 years ago
Mans Rullgard	40901fc14e	rv34: move 4x4 dequant to RV34DSPContext ... Signed-off-by: Mans Rullgard <mans@mansr.com>	13 years ago
Janne Grunau	42d32cf53c	rv34: NEON optimised inverse transform functions ... Signed-off-by: Mans Rullgard <mans@mansr.com>	13 years ago
Janne Grunau	1bca8f4bc5	rv34: move inverse transform functions to DSP context	13 years ago