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path: root/vp8/encoder/arm/armv6
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2011-09-19Updated ARMv6 forward transforms to match CTero Rintaluoma
- Updated walsh transform to match C (based on Change Id24f3392) - Changed fast_fdct4x4 and 8x4 to short_fdct4x4 and 8x4 correspondingly Change-Id: I704e862f40e315b0a79997633c7bd9c347166a8e
2011-05-30adds preload for armv6 encoder asmTero Rintaluoma
Added preload instructions to armv6 encoder optimizations. About 5% average speed-up on Tegra2 for VGA@30fps sequence. Change-Id: I41d74737720fb71ce7a316f07555357822f3347e
2011-03-31Merge "ARMv6 optimized subtract functions"Johann
2011-03-29ARMv6 optimized subtract functionsTero Rintaluoma
Adds following ARMv6 optimized functions to encoder: - vp8_subtract_b_armv6 - vp8_subtract_mby_armv6 - vp8_subtract_mbuv_armv6 Gives 1-5% speed-up depending on input sequence and encoding parameters. Functions have one stall cycle inside the loop body on Cortex pipeline. Change-Id: I19cca5408b9861b96f378e818eefeb3855238639
2011-03-28Half pixel variance further optimized for ARMv6Tero Rintaluoma
Half pixel interpolations optimized in variance calculations. Separate function calls to vp8_filter_block2d_bil_x_pass_armv6 are avoided.On average, performance improvement is 6-7% for VGA@30fps sequences. Change-Id: Idb5f118a9d51548e824719d2cfe5be0fa6996628
2011-03-21ARMv6 optimized fdct4x4Tero Rintaluoma
Optimized fdct4x4 (8x4) for ARMv6 instruction set. - No interlocks in Cortex-A8 pipeline - One interlock cycle in ARM11 pipeline - About 2.16 times faster than current C-code compiled with -O3 Change-Id: I60484ecd144365da45bb68a960d30196b59952b8
2011-03-15Add vp8_variance8x8_armv6 and vp8_sub_pixel_variance8x8_armv6 functionsAttila Nagy
Change-Id: I08edaffc62514907fa5e90e1689269e467c857f5
2011-03-14Merge "Add vp8_mse16x16_armv6 function"Johann
2011-03-14Add vp8_mse16x16_armv6 functionAttila Nagy
Change-Id: I77e9f2f521a71089228f96e2db72524189364ffb
2011-03-11ARMv6 optimized quantizationTero Rintaluoma
Adds new ARMv6 optimized function vp8_fast_quantize_b_armv6 to the encoder. Change-Id: I40277ec8f82e8a6cbc453cf295a0cc9b2504b21e
2011-02-11ARMv6 optimized sad16x16Tero Rintaluoma
Adds a new ARMv6 optimized function vp8_sad16x16_armv6 to encoder. Change-Id: Ibbd7edb8b25cb7a5b522d391b1e9a690fe150e57
2011-02-09Adds armv6 optimized variance calculationTero Rintaluoma
Adds vp8_sub_pixel_variance16x16_armv6 function to encoder. Integrates ARMv6 optimized bilinear interpolations from vp8/common/arm/armv6 and adds new assembly file for variance16x16 calculation. - vp8_filter_block2d_bil_first_pass_armv6 (integrated) - vp8_filter_block2d_bil_second_pass_armv6 (integrated) - vp8_variance16x16_armv6 (new) - bilinearfilter_arm.h (new) Change-Id: I18a8331ce7d031ceedd6cd415ecacb0c8f3392db
2010-09-09Use WebM in copyright notice for consistencyJohn Koleszar
Changes 'The VP8 project' to 'The WebM project', for consistency with other webmproject.org repositories. Fixes issue #97. Change-Id: I37c13ed5fbdb9d334ceef71c6350e9febed9bbba
2010-06-18cosmetics: trim trailing whitespaceJohn Koleszar
When the license headers were updated, they accidentally contained trailing whitespace, so unfortunately we have to touch all the files again. Change-Id: I236c05fade06589e417179c0444cb39b09e4200d
2010-06-04LICENSE: update with latest textJohn Koleszar
Change-Id: Ieebea089095d9073b3a94932791099f614ce120c
2010-05-18Initial WebM releaseJohn Koleszar
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