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13 Commits

Author SHA1 Message Date
Carl Eugen Hoyos
83356cf6cc lavc/vc1: Never decode vc1 as gray if gray decoding was not enabled. 2015-05-17 12:58:44 +02:00
zhaoxiu.zeng
9d7e42e65c avcodec/vc1_mc: optimize get_chroma_mv, and add get_luma_mv 
Test results:

before:
  fate-suite/vc1/SA10091.vc1: 1062 decicycles in ff_vc1_mc_4mv_chroma's get mv, 4089 runs, 7 skips
  fate-suite/vc1/SA10143.vc1: 1112 decicycles in ff_vc1_mc_4mv_luma's get mv, 4096 runs, 0 skips
  fate-suite/vc1/SA20021.vc1: 991 decicycles in ff_vc1_mc_4mv_chroma get mv, 8192 runs, 0 skips

after:
  fate-suite/vc1/SA10091.vc1: 940 decicycles in ff_vc1_mc_4mv_chroma's get mv, 4096 runs, 0 skips
  fate-suite/vc1/SA10143.vc1: 786 decicycles in ff_vc1_mc_4mv_luma's get mv, 4096 runs, 0 skips
  fate-suite/vc1/SA20021.vc1: 876 decicycles in ff_vc1_mc_4mv_chroma get mv, 8189 runs, 3 skips

Signed-off-by: Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-03-08 03:04:32 +01:00
zhaoxiu.zeng
9870c03615 avcodec/vc1_mc: change the type of s_rndtblfield to uint8_t 
Signed-off-by: Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-03-07 21:35:14 +01:00
zhaoxiu.zeng
468defc57b avcodec/vc1_mc: Simplify v_edge_pos and src_y correction when fieldmv is true 
Signed-off-by: Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-03-07 21:06:21 +01:00
Zeng Zhaoxiu
1be6054261 avcodec/vc1_mc: remove useless variables 
Signed-off-by: Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-03-07 16:25:29 +01:00
zhaoxiu.zeng
bf99068089 avcodec/vc1_mc: factor out helper functions for scaling blocks 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-02-16 19:44:46 +01:00
zhaoxiu.zeng
0f83415569 avcodec/vc1_mc: move median4() to mathops.h 
Needed for architecture specific optimizations

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-02-16 11:41:00 +01:00
Michael Niedermayer
b51cc701bc avcodec/vc1_mc: use the same reference as luma does in ff_vc1_mc_4mv_chroma() 
Fixes Ticket3230

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-12-25 01:25:29 +01:00
Michael Niedermayer
ef4e54e0df Merge commit '28d82b7675bea76a1349070a3cdd737d964d4775' 
* commit '28d82b7675bea76a1349070a3cdd737d964d4775':
  vc1dec: refactor check with missing parenthesis

Conflicts:
	libavcodec/vc1_mc.c
	tests/ref/fate/vc1_ilaced_twomv

Theres no change to the reference checksums as this bug was not
in FFmpeg

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-11-13 13:23:42 +01:00
Vittorio Giovara
28d82b7675 vc1dec: refactor check with missing parenthesis 
FATE tests updated accordingly, no visual difference.

CC: libav-stable@libav.org
Bug-Id: CID 1087087
 2014-11-13 01:41:25 +01:00
Vittorio Giovara
2c98dc75f2 vc1dec: always initialize tx and ty 
CC: libav-stable@libav.org
Bug-Id: CID 1245702 / CID 1245703
 2014-11-13 01:41:25 +01:00
Michael Niedermayer
d5a3caef93 Merge commit '04d14c9b68b03e8dbc6e3003c1ee06892dd32576' 
* commit '04d14c9b68b03e8dbc6e3003c1ee06892dd32576':
  vc1: Split the decoder in components

Conflicts:
	libavcodec/Makefile
	libavcodec/vc1dec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-10-08 22:00:09 +02:00
Luca Barbato
04d14c9b68 vc1: Split the decoder in components 
Speed up the overall compilation time.
 2014-10-08 18:34:48 +02:00