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author | hkuang <hkuang@google.com> | 2014-04-09 14:20:00 -0700 |
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committer | Lajos Molnar <lajos@google.com> | 2014-04-10 17:18:16 +0000 |
commit | 4fb68e5dd4e93c7599dc905d861de11ac39c5585 (patch) | |
tree | a9a16f0806a169ec4291bcd60bbfefccebb338d4 /libvpx/vp9/encoder/vp9_speed_features.h | |
parent | 2ec72e65689c948e92b826ae1e867bf369e72f13 (diff) | |
download | android_external_libvpx-4fb68e5dd4e93c7599dc905d861de11ac39c5585.tar.gz android_external_libvpx-4fb68e5dd4e93c7599dc905d861de11ac39c5585.tar.bz2 android_external_libvpx-4fb68e5dd4e93c7599dc905d861de11ac39c5585.zip |
Roll latest libvpx to fix hang when doing adaptive playback.
VP9 decoder will hang when switching from frames with 2 tiles to
4 tiles on a 4 core device.
libvpx hash:4fffefe189a9123d4b04482c26a1be5eb632b397
(cherry picked from commit 6ac915abcdb404a00d927fe6308a47fcf09d9519)
Bug: 13931133
Change-Id: I24a51fd572ca7e872bc440491e2c645a20e9a736
Diffstat (limited to 'libvpx/vp9/encoder/vp9_speed_features.h')
-rw-r--r-- | libvpx/vp9/encoder/vp9_speed_features.h | 359 |
1 files changed, 359 insertions, 0 deletions
diff --git a/libvpx/vp9/encoder/vp9_speed_features.h b/libvpx/vp9/encoder/vp9_speed_features.h new file mode 100644 index 0000000..72f548a --- /dev/null +++ b/libvpx/vp9/encoder/vp9_speed_features.h @@ -0,0 +1,359 @@ +/* + * Copyright (c) 2010 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef VP9_ENCODER_VP9_SPEED_FEATURES_H_ +#define VP9_ENCODER_VP9_SPEED_FEATURES_H_ + +#include "vp9/common/vp9_enums.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + DIAMOND = 0, + NSTEP = 1, + HEX = 2, + BIGDIA = 3, + SQUARE = 4, + FAST_HEX = 5, + FAST_DIAMOND = 6 +} SEARCH_METHODS; + +typedef enum { + // No recode. + DISALLOW_RECODE = 0, + // Allow recode for KF and exceeding maximum frame bandwidth. + ALLOW_RECODE_KFMAXBW = 1, + // Allow recode only for KF/ARF/GF frames. + ALLOW_RECODE_KFARFGF = 2, + // Allow recode for all frames based on bitrate constraints. + ALLOW_RECODE = 3, +} RECODE_LOOP_TYPE; + +typedef enum { + SUBPEL_TREE = 0, + // Other methods to come +} SUBPEL_SEARCH_METHODS; + +typedef enum { + LAST_FRAME_PARTITION_OFF = 0, + LAST_FRAME_PARTITION_LOW_MOTION = 1, + LAST_FRAME_PARTITION_ALL = 2 +} LAST_FRAME_PARTITION_METHOD; + +typedef enum { + USE_FULL_RD = 0, + USE_LARGESTINTRA, + USE_LARGESTINTRA_MODELINTER, + USE_LARGESTALL +} TX_SIZE_SEARCH_METHOD; + +typedef enum { + NOT_IN_USE = 0, + RELAXED_NEIGHBORING_MIN_MAX = 1, + STRICT_NEIGHBORING_MIN_MAX = 2 +} AUTO_MIN_MAX_MODE; + +typedef enum { + // Try the full image with different values. + LPF_PICK_FROM_FULL_IMAGE, + // Try a small portion of the image with different values. + LPF_PICK_FROM_SUBIMAGE, + // Estimate the level based on quantizer and frame type + LPF_PICK_FROM_Q, +} LPF_PICK_METHOD; + +typedef enum { + // Terminate search early based on distortion so far compared to + // qp step, distortion in the neighborhood of the frame, etc. + FLAG_EARLY_TERMINATE = 1 << 0, + + // Skips comp inter modes if the best so far is an intra mode. + FLAG_SKIP_COMP_BESTINTRA = 1 << 1, + + // Skips comp inter modes if the best single intermode so far does + // not have the same reference as one of the two references being + // tested. + FLAG_SKIP_COMP_REFMISMATCH = 1 << 2, + + // Skips oblique intra modes if the best so far is an inter mode. + FLAG_SKIP_INTRA_BESTINTER = 1 << 3, + + // Skips oblique intra modes at angles 27, 63, 117, 153 if the best + // intra so far is not one of the neighboring directions. + FLAG_SKIP_INTRA_DIRMISMATCH = 1 << 4, + + // Skips intra modes other than DC_PRED if the source variance is small + FLAG_SKIP_INTRA_LOWVAR = 1 << 5, +} MODE_SEARCH_SKIP_LOGIC; + +typedef enum { + // Search partitions using RD/NONRD criterion + SEARCH_PARTITION = 0, + + // Always use a fixed size partition + FIXED_PARTITION = 1, + + // Use a fixed size partition in every 64X64 SB, where the size is + // determined based on source variance + VAR_BASED_FIXED_PARTITION = 2, + + REFERENCE_PARTITION = 3, + + // Use an arbitrary partitioning scheme based on source variance within + // a 64X64 SB + VAR_BASED_PARTITION, + + // Use non-fixed partitions based on source variance + SOURCE_VAR_BASED_PARTITION +} PARTITION_SEARCH_TYPE; + +typedef enum { + // Does a dry run to see if any of the contexts need to be updated or not, + // before the final run. + TWO_LOOP = 0, + + // No dry run conducted. + ONE_LOOP = 1, + + // No dry run, also only half the coef contexts and bands are updated. + // The rest are not updated at all. + ONE_LOOP_REDUCED = 2 +} FAST_COEFF_UPDATE; + +typedef struct { + // Frame level coding parameter update + int frame_parameter_update; + + // Motion search method (Diamond, NSTEP, Hex, Big Diamond, Square, etc). + SEARCH_METHODS search_method; + + RECODE_LOOP_TYPE recode_loop; + + // Subpel_search_method can only be subpel_tree which does a subpixel + // logarithmic search that keeps stepping at 1/2 pixel units until + // you stop getting a gain, and then goes on to 1/4 and repeats + // the same process. Along the way it skips many diagonals. + SUBPEL_SEARCH_METHODS subpel_search_method; + + // Maximum number of steps in logarithmic subpel search before giving up. + int subpel_iters_per_step; + + // Control when to stop subpel search + int subpel_force_stop; + + // This parameter controls the number of steps we'll do in a diamond + // search. + int max_step_search_steps; + + // This parameter controls which step in the n-step process we start at. + // It's changed adaptively based on circumstances. + int reduce_first_step_size; + + // If this is set to 1, we limit the motion search range to 2 times the + // largest motion vector found in the last frame. + int auto_mv_step_size; + + // Trellis (dynamic programming) optimization of quantized values (+1, 0). + int optimize_coefficients; + + // Always set to 0. If on it enables 0 cost background transmission + // (except for the initial transmission of the segmentation). The feature is + // disabled because the addition of very large block sizes make the + // backgrounds very to cheap to encode, and the segmentation we have + // adds overhead. + int static_segmentation; + + // If 1 we iterate finding a best reference for 2 ref frames together - via + // a log search that iterates 4 times (check around mv for last for best + // error of combined predictor then check around mv for alt). If 0 we + // we just use the best motion vector found for each frame by itself. + int comp_inter_joint_search_thresh; + + // This variable is used to cap the maximum number of times we skip testing a + // mode to be evaluated. A high value means we will be faster. + int adaptive_rd_thresh; + + // Enables skipping the reconstruction step (idct, recon) in the + // intermediate steps assuming the last frame didn't have too many intra + // blocks and the q is less than a threshold. + int skip_encode_sb; + int skip_encode_frame; + // Speed feature to allow or disallow skipping of recode at block + // level within a frame. + int allow_skip_recode; + + // This variable allows us to reuse the last frames partition choices + // (64x64 v 32x32 etc) for this frame. It can be set to only use the last + // frame as a starting point in low motion scenes or always use it. If set + // we use last partitioning_redo frequency to determine how often to redo + // the partitioning from scratch. Adjust_partitioning_from_last_frame + // enables us to adjust up or down one partitioning from the last frames + // partitioning. + LAST_FRAME_PARTITION_METHOD use_lastframe_partitioning; + + // Determine which method we use to determine transform size. We can choose + // between options like full rd, largest for prediction size, largest + // for intra and model coefs for the rest. + TX_SIZE_SEARCH_METHOD tx_size_search_method; + + // Low precision 32x32 fdct keeps everything in 16 bits and thus is less + // precise but significantly faster than the non lp version. + int use_lp32x32fdct; + + // TODO(JBB): remove this as its no longer used. + + // After looking at the first set of modes (set by index here), skip + // checking modes for reference frames that don't match the reference frame + // of the best so far. + int mode_skip_start; + + // TODO(JBB): Remove this. + int reference_masking; + + PARTITION_SEARCH_TYPE partition_search_type; + + // Used if partition_search_type = FIXED_SIZE_PARTITION + BLOCK_SIZE always_this_block_size; + + // Skip rectangular partition test when partition type none gives better + // rd than partition type split. + int less_rectangular_check; + + // Disable testing non square partitions. (eg 16x32) + int use_square_partition_only; + + // Sets min and max partition sizes for this 64x64 region based on the + // same 64x64 in last encoded frame, and the left and above neighbor. + AUTO_MIN_MAX_MODE auto_min_max_partition_size; + + // Min and max partition size we enable (block_size) as per auto + // min max, but also used by adjust partitioning, and pick_partitioning. + BLOCK_SIZE min_partition_size; + BLOCK_SIZE max_partition_size; + + // Whether or not we allow partitions one smaller or one greater than the last + // frame's partitioning. Only used if use_lastframe_partitioning is set. + int adjust_partitioning_from_last_frame; + + // How frequently we re do the partitioning from scratch. Only used if + // use_lastframe_partitioning is set. + int last_partitioning_redo_frequency; + + // This enables constrained copy partitioning, which, given an input block + // size bsize, will copy previous partition for partitions less than bsize, + // otherwise bsize partition is used. bsize is currently set to 16x16. + // Used for the case where motion is detected in superblock. + int constrain_copy_partition; + + // Disables sub 8x8 blocksizes in different scenarios: Choices are to disable + // it always, to allow it for only Last frame and Intra, disable it for all + // inter modes or to enable it always. + int disable_split_mask; + + // TODO(jingning): combine the related motion search speed features + // This allows us to use motion search at other sizes as a starting + // point for this motion search and limits the search range around it. + int adaptive_motion_search; + + // Allows sub 8x8 modes to use the prediction filter that was determined + // best for 8x8 mode. If set to 0 we always re check all the filters for + // sizes less than 8x8, 1 means we check all filter modes if no 8x8 filter + // was selected, and 2 means we use 8 tap if no 8x8 filter mode was selected. + int adaptive_pred_interp_filter; + + // Search through variable block partition types in non-RD mode decision + // encoding process for RTC. + int partition_check; + + // Use finer quantizer in every other few frames that run variable block + // partition type search. + int force_frame_boost; + + // Maximally allowed base quantization index fluctuation. + int max_delta_qindex; + + // Implements various heuristics to skip searching modes + // The heuristics selected are based on flags + // defined in the MODE_SEARCH_SKIP_HEURISTICS enum + unsigned int mode_search_skip_flags; + + // A source variance threshold below which the split mode is disabled + unsigned int disable_split_var_thresh; + + // A source variance threshold below which filter search is disabled + // Choose a very large value (UINT_MAX) to use 8-tap always + unsigned int disable_filter_search_var_thresh; + + // These bit masks allow you to enable or disable intra modes for each + // transform size separately. + int intra_y_mode_mask[TX_SIZES]; + int intra_uv_mode_mask[TX_SIZES]; + + // This variable enables an early break out of mode testing if the model for + // rd built from the prediction signal indicates a value that's much + // higher than the best rd we've seen so far. + int use_rd_breakout; + + // This enables us to use an estimate for intra rd based on dc mode rather + // than choosing an actual uv mode in the stage of encoding before the actual + // final encode. + int use_uv_intra_rd_estimate; + + // This feature controls how the loop filter level is determined. + LPF_PICK_METHOD lpf_pick; + + // This feature limits the number of coefficients updates we actually do + // by only looking at counts from 1/2 the bands. + FAST_COEFF_UPDATE use_fast_coef_updates; + + // This flag controls the use of non-RD mode decision. + int use_nonrd_pick_mode; + + // This variable sets the encode_breakout threshold. Currently, it is only + // enabled in real time mode. + int encode_breakout_thresh; + + // A binary mask indicating if NEARESTMV, NEARMV, ZEROMV, NEWMV + // modes are disabled in order from LSB to MSB for each BLOCK_SIZE. + int disable_inter_mode_mask[BLOCK_SIZES]; + + // This feature controls whether we do the expensive context update and + // calculation in the rd coefficient costing loop. + int use_fast_coef_costing; + + // This feature controls the tolerence vs target used in deciding whether to + // recode a frame. It has no meaning if recode is disabled. + int recode_tolerance; + + // This variable controls the maximum block size where intra blocks can be + // used in inter frames. + // TODO(aconverse): Fold this into one of the other many mode skips + BLOCK_SIZE max_intra_bsize; + + // The frequency that we check if SOURCE_VAR_BASED_PARTITION or + // FIXED_PARTITION search type should be used. + int search_type_check_frequency; + + // The threshold used in SOURCE_VAR_BASED_PARTITION search type. + int source_var_thresh; +} SPEED_FEATURES; + +struct VP9_COMP; + +void vp9_set_speed_features(struct VP9_COMP *cpi); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // VP9_ENCODER_VP9_SPEED_FEATURES_H_ + |