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path: root/vp9/common/vp9_findnearmv.h
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2013-10-28vp9: add TileInfoJames Zern
replaces use of cur_tile_mi_(row|col)_(start|end) by VP9_COMMON, making it less stateful and more reusable for parallel tile decoding Change-Id: I1df09382b4567a0e5f4434825d47c79afe2399be
2013-10-23Cleaning up {above, left}_block_mode functions.Dmitry Kovalev
Making {above, left}_block_mode more clear and symmetric. Change-Id: Ie348a950fb9a5cf52861d0cba838a58010ff56ad
2013-10-22Prevent left_block_mode stepping into left tileJingning Han
This commit uses left_available flag to decide if the left mode_info struct is available for left_block_mode. As discussed with James Zern (jzern@), this prevents the codec from fetching mode_info from blocks in the left tile, which although effectively not used might present concerns for multi-threaded tile decoding. This is NOT a bit-stream change. Change-Id: I1dc8cf1bcbf056688eee27c7bc5706ac4b4e0125
2013-10-21Moving allow_high_precision_mv from MACROBLOCKD to VP9_COMMON.Dmitry Kovalev
This value is a global frame-level flag, not a macroblock-level. Change-Id: Ie8c5790a931150741c2167c00c3e3dd2cf26744d
2013-09-25Using is_inter_block and has_second_ref functions.Dmitry Kovalev
Change-Id: I60dee58a4fd24d3c4f3c101a49d30e217309f43a
2013-09-11New mode_info_context storage -- undo revertScott LaVarnway
mode_info_context was stored as a grid of MODE_INFO structs. The grid now constists of pointers to MODE_INFO structs. The MODE_INFO structs are now stored as a stream (decoder only), eliminating unnecessary copies and is a little more cache friendly. Change-Id: I031d376284c6eb98a38ad5595b797f048a6cfc0d
2013-09-09Revert "New mode_info_context storage"James Zern
This reverts commit dae17734ece414091ba1184f7becd0aa6c0004f1 Encode crashes, leaks and increases integer overflow errors. Change-Id: I595aa2649bb8d0b6552ff91652837a74c103fda2
2013-09-06New mode_info_context storageScott LaVarnway
mode_info_context was stored as a grid of MODE_INFO structs. The grid now constists of a pointer to a MODE_INFO struct and a "in the image" flag. The MODE_INFO structs are now stored as a stream, eliminating unnecessary copies and is a little more cache friendly. For the test clips used, the decoder performance improved by ~4.3% (1080p) and ~9.7% (720p). Patch Set 2: Re-encoded clips with latest. Now ~1.7% (1080p) and 5.9% (720p). Change-Id: I846f29e88610fce2523ca697a9a9ef2a182e9256
2013-08-29consistently name VP9_COMMON variables #1James Zern
pc -> cm Change-Id: If3e83404f574316fdd3b9aace2487b64efdb66f3
2013-08-05Finally removing all old block size constants.Dmitry Kovalev
Change-Id: I3aae21e88b876d53ecc955260479980ffe04ad8d
2013-08-02Adding is_inter_block function.Dmitry Kovalev
Using it instead of long unclear verbose check "mbmi->ref_frame[0] != INTRA_FRAME". Change-Id: I9c7b4b3797942fa962bf3ba7460fff3084beabe9
2013-08-01Cleanup: reusing clamp_mv function.Dmitry Kovalev
Change-Id: I8715f08a3554bdb557c5f935f1dfbd671f18e766
2013-08-01Nice looking motion vector clamping functions.Dmitry Kovalev
Removing assign_and_clamp_mv function, making implementation of clamp_mv and clamp_mv2 more clear and consistent. Change-Id: Iecd08e1c1bf0379f8314ebe01811f8253f4ade58
2013-07-31Removing get_mi_{row, col} functions.Dmitry Kovalev
Passing mi_row and mi_col parameters to functions explicitly. Removing unused xd argument from scale_mv function. Change-Id: Icb4c495ec72d26fb066c14470d3ae0b741fbf18a
2013-07-18Removing unused mv_bias and check_mv_bounds functions.Dmitry Kovalev
Change-Id: I1558fd969d9ad112bf6480bdd16ef87edd396ab5
2013-07-02Removing redundant struct from union b_mode_info.Dmitry Kovalev
Change-Id: I08fc6e474ff2c12cfa065bae4989c724276e2c83
2013-06-18Remove unnecessary copying of probs.Yaowu Xu
Change-Id: Ic924f07c6ab0c929c6cdf11880d3c625806e272c
2013-06-12Fix compile warnings on windows.Frank Galligan
Change-Id: If74bc6110016bc75ea3883ab136fbbac88f6a913
2013-06-06Change ref frame coding.Ronald S. Bultje
Code intra/inter, then comp/single, then the ref frame selection. Use contextualization for all steps. Don't code two past frames in comp pred mode. Change-Id: I4639a78cd5cccb283023265dbcc07898c3e7cf95
2013-06-05Cosmetic renaming VP9_MVREFS to VP9_INTER_MODESDeb Mukherjee
NO bitstream change Change-Id: I79f6146dac5fdd157051b6f8dc611c0b7b5e5f7f
2013-05-30Remove i4x4_pred.Ronald S. Bultje
It remains as a local define in rdopt.c so we can distinguish between split and non-split modes in the RD loop, but disappears outside that scope in the codec. Change-Id: I98c18fe5ab7e4fbd1d6620ec5695e2ea20513ce9
2013-05-27a few clean-upsYaowu Xu
1. remove prediction mode conversion 2. unified bmode, same for key and non-key frame 3. set I4X4_PRED count for pdf to 0, as I4X4_PRED is no longer coded ever. It is determined by ref_frame and block partition Change-Id: If5b282957c24339b241acdb9f2afef85658fe47d
2013-05-26Remove splitmv.Ronald S. Bultje
Also do per-partition motion vector referencing in <sb8x8 partitions, and adjust mvref finding for sub8x8 partitions. Change-Id: Id3ed1ed4d2a8910d11d327db6cc63b8eb79f941f
2013-05-23Merge 4x4 block level partition into codebaseJingning Han
Move 4x4/4x8/8x4 partition coding out of experimental list. This commit fixed the unit test failure issues. It also resolved the merge conflicts between 4x4 block level partition and iterative motion search for comp_inter_inter. Change-Id: I898671f0631f5ddc4f5cc68d4c62ead7de9c5a58
2013-05-21Make the intra rd search support 8x4/4x8Jingning Han
This commit allows the rate-distortion optimization of intra coding capable of supporting 8x4 and 4x8 partition settings. It enables the entropy coding of intra modes in key frame using a unified contextual probability model conditioned on its above/left prediction modes. Coding performance: derf 0.464% Change-Id: Ieed055084e11fcb64d5d5faeb0e706d30268ba18
2013-05-07Merge SB8X8 into the codebaseJingning Han
Pull sb8x8 out of experimental list. verified via borg run tests. Fixed unit test failures. Change-Id: I12a4bbd17395930580c048ab68becad1ffe46e76
2013-04-30sb8x8 integration in rd loop.Ronald S. Bultje
Work-in-progress, not yet ready for review. TODO items: - bitstream writing (encoder) and reading (decoder) - decoder reconstruction Change-Id: I5afb7284e7e0480847b47cd0097cb469433c9081
2013-04-19Mv ref candidates cut to 2.Paul Wilkins
Further simplification of mvref search to return only the top two candidates. Distance weights removed as the test order reflects distance anyway. Change-Id: I0518cab7280258fec2058670add4f853fab7b855
2013-04-18Code cleanup inside findnearmv code.Dmitry Kovalev
Using predefined clamp function, removing redundant variables, declare and init on the same line. Change-Id: I14636eb242194bac33f8a9d4a273a416d32856fc
2013-04-18Motion vector decoding code cleanup.Dmitry Kovalev
Change-Id: I9790baedbd4acb7113575efc6f228b2656c42ff7
2013-04-12Rename B_PRED to I4X4_PREDYaowu Xu
So it is consistent with I8x8_PRED. Change-Id: Iefa65124b2419690d83e526c611129c0ede29d11
2013-04-08Clamp inferred motion vectors onlyJingning Han
Clamp only the motion vectors inferred from neighboring reference macroblocks. The motion vectors obtained through motion search in NEWMV mode are constrained during the search process, which allows a relatively larger referencing region than the inferred mvs. Hence further clamping the best mv provided by the motion search may affect the efficacy of NEWMV mode. Synchronized the decoding process. The decoded mvs in NEWMV modes should be guaranteed to fit in the effective range. Put a mv range clamping function there for security purpose. This improves the coding performance of high motion sequences, e.g., derf set: foreman 0.233% husky 0.175% icd 0.135% mother_daughter 0.337% pamphlet 0.561% stdhd set: blue_sky 0.408% city 0.455% also saw sunflower goes down by -0.469%. Change-Id: I3fcbba669e56dab779857a8126a91b926e899cb5
2013-03-05Code cleanup.Dmitry Kovalev
Removing redundant 'extern' keywords, fixing formatting and #include order, code simplification. Change-Id: I0e5fdc8009010f3f885f13b5d76859b9da511758
2013-02-08Replace as_mv struct with arrayJohn Koleszar
Replace as_mv.{first, second} with a two element array, so that they can easily be processed with an index variable. Change-Id: I1e429155544d2a94a5b72a5b467c53d8b8728190
2013-02-05[WIP] Add column-based tiling.Ronald S. Bultje
This patch adds column-based tiling. The idea is to make each tile independently decodable (after reading the common frame header) and also independendly encodable (minus within-frame cost adjustments in the RD loop) to speed-up hardware & software en/decoders if they used multi-threading. Column-based tiling has the added advantage (over other tiling methods) that it minimizes realtime use-case latency, since all threads can start encoding data as soon as the first SB-row worth of data is available to the encoder. There is some test code that does random tile ordering in the decoder, to confirm that each tile is indeed independently decodable from other tiles in the same frame. At tile edges, all contexts assume default values (i.e. 0, 0 motion vector, no coefficients, DC intra4x4 mode), and motion vector search and ordering do not cross tiles in the same frame. t log Tile independence is not maintained between frames ATM, i.e. tile 0 of frame 1 is free to use motion vectors that point into any tile of frame 0. We support 1 (i.e. no tiling), 2 or 4 column-tiles. The loopfilter crosses tile boundaries. I discussed this briefly with Aki and he says that's OK. An in-loop loopfilter would need to do some sync between tile threads, but that shouldn't be a big issue. Resuls: with tiling disabled, we go up slightly because of improved edge use in the intra4x4 prediction. With 2 tiles, we lose about ~1% on derf, ~0.35% on HD and ~0.55% on STD/HD. With 4 tiles, we lose another ~1.5% on derf ~0.77% on HD and ~0.85% on STD/HD. Most of this loss is concentrated in the low-bitrate end of clips, and most of it is because of the loss of edges at tile boundaries and the resulting loss of intra predictors. TODO: - more tiles (perhaps allow row-based tiling also, and max. 8 tiles)? - maybe optionally (for EC purposes), motion vectors themselves should not cross tile edges, or we should emulate such borders as if they were off-frame, to limit error propagation to within one tile only. This doesn't have to be the default behaviour but could be an optional bitstream flag. Change-Id: I5951c3a0742a767b20bc9fb5af685d9892c2c96f
2013-01-23Adds an error-resilient mode with testDeb Mukherjee
Adds an error-resilient mode where frames can be continued to be decoded even when there are errors (due to network losses) on a prior frame. Specifically, backward updates are turned off and probabilities of various symbols are reset to defaults at the beginning of each frame. Further, the last frame's mvs are not used for the mv reference list, and the sorting of the initial list based on search on previous frames is turned off as well. Also adds a test where an arbitrary set of frames are skipped from decoding to simulate errors. The test verifies (1) that if the error frames are droppable - i.e. frame buffer updates have been turned off - there are no mismatch errors for the remaining frames after the error frames; and (2) if the error-frames are non droppable, there are not only no decoding errors but the mismatch PSNR between the decoder's version of the post-error frames and the encoder's version is at least 20 dB. Change-Id: Ie6e2bcd436b1e8643270356d3a930e8989ff52a5
2012-12-18Use standard integer types for pixel values and coefficients.Ronald S. Bultje
For coefficients, use int16_t (instead of short); for pixel values in 16-bit intermediates, use uint16_t (instead of unsigned short); for all others, use uint8_t (instead of unsigned char). Change-Id: I3619cd9abf106c3742eccc2e2f5e89a62774f7da
2012-12-10Further changes to mv reference code.Paul Wilkins
Some further changes and refactoring of mv reference code and selection of center point for searches. Mainly relates to not passing so many different local copies of things around. Some place holder comments. Change-Id: I309f10ffe9a9cde7663e7eae19eb594371c8d055
2012-12-07Fix implicit cast.Frank Galligan
Change-Id: I1eb7433061a6c529471026e0ebdc6467942062eb
2012-11-30google style guide include guardsJim Bankoski
Change-Id: I2c252f3ddcc99e96c1f5d3dab8bcb25a2a3637ea
2012-11-28fixed includes to be fully specifiedJim Bankoski
Change-Id: Ia1cce221f8511561b9cbd8edb7726fbc286ff243
2012-11-27Add vp9_ prefix to all vp9 filesJohn Koleszar
Support for gyp which doesn't support multiple objects in the same static library having the same basename. Change-Id: Ib947eefbaf68f8b177a796d23f875ccdfa6bc9dc
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