Remove remaining quality-analysis (QM).

webrtc/modules/video_coding/qm_select_data.h

-/*
- *  Copyright (c) 2012 The WebRTC 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 WEBRTC_MODULES_VIDEO_CODING_QM_SELECT_DATA_H_
-#define WEBRTC_MODULES_VIDEO_CODING_QM_SELECT_DATA_H_
-
-/***************************************************************
-*QMSelectData.h
-* This file includes parameters for content-aware media optimization
-****************************************************************/
-
-#include "webrtc/typedefs.h"
-
-namespace webrtc {
-//
-// PARAMETERS FOR RESOLUTION ADAPTATION
-//
-
-// Initial level of buffer in secs.
-const float kInitBufferLevel = 0.5f;
-
-// Threshold of (max) buffer size below which we consider too low (underflow).
-const float kPercBufferThr = 0.10f;
-
-// Threshold on the occurrences of low buffer levels.
-const float kMaxBufferLow = 0.30f;
-
-// Threshold on rate mismatch.
-const float kMaxRateMisMatch = 0.5f;
-
-// Threshold on amount of under/over encoder shooting.
-const float kRateOverShoot = 0.75f;
-const float kRateUnderShoot = 0.75f;
-
-// Factor to favor weighting the average rates with the current/last data.
-const float kWeightRate = 0.70f;
-
-// Factor for transitional rate for going back up in resolution.
-const float kTransRateScaleUpSpatial = 1.25f;
-const float kTransRateScaleUpTemp = 1.25f;
-const float kTransRateScaleUpSpatialTemp = 1.25f;
-
-// Threshold on packet loss rate, above which favor resolution reduction.
-const float kPacketLossThr = 0.1f;
-
-// Factor for reducing transitional bitrate under packet loss.
-const float kPacketLossRateFac = 1.0f;
-
-// Maximum possible transitional rate for down-sampling:
-// (units in kbps), for 30fps.
-const uint16_t kMaxRateQm[9] = {
-    0,     // QCIF
-    50,    // kHCIF
-    125,   // kQVGA
-    200,   // CIF
-    280,   // HVGA
-    400,   // VGA
-    700,   // QFULLHD
-    1000,  // WHD
-    1500   // FULLHD
-};
-
-// Frame rate scale for maximum transition rate.
-const float kFrameRateFac[4] = {
-    0.5f,   // Low
-    0.7f,   // Middle level 1
-    0.85f,  // Middle level 2
-    1.0f,   // High
-};
-
-// Scale for transitional rate: based on content class
-// motion=L/H/D,spatial==L/H/D: for low, high, middle levels
-const float kScaleTransRateQm[18] = {
-    // VGA and lower
-    0.40f,  // L, L
-    0.50f,  // L, H
-    0.40f,  // L, D
-    0.60f,  // H ,L
-    0.60f,  // H, H
-    0.60f,  // H, D
-    0.50f,  // D, L
-    0.50f,  // D, D
-    0.50f,  // D, H
-
-    // over VGA
-    0.40f,  // L, L
-    0.50f,  // L, H
-    0.40f,  // L, D
-    0.60f,  // H ,L
-    0.60f,  // H, H
-    0.60f,  // H, D
-    0.50f,  // D, L
-    0.50f,  // D, D
-    0.50f,  // D, H
-};
-
-// Threshold on the target rate relative to transitional rate.
-const float kFacLowRate = 0.5f;
-
-// Action for down-sampling:
-// motion=L/H/D,spatial==L/H/D, for low, high, middle levels;
-// rate = 0/1/2, for target rate state relative to transition rate.
-const uint8_t kSpatialAction[27] = {
-    // rateClass = 0:
-    1,  // L, L
-    1,  // L, H
-    1,  // L, D
-    4,  // H ,L
-    1,  // H, H
-    4,  // H, D
-    4,  // D, L
-    1,  // D, H
-    2,  // D, D
-
-    // rateClass = 1:
-    1,  // L, L
-    1,  // L, H
-    1,  // L, D
-    2,  // H ,L
-    1,  // H, H
-    2,  // H, D
-    2,  // D, L
-    1,  // D, H
-    2,  // D, D
-
-    // rateClass = 2:
-    1,  // L, L
-    1,  // L, H
-    1,  // L, D
-    2,  // H ,L
-    1,  // H, H
-    2,  // H, D
-    2,  // D, L
-    1,  // D, H
-    2,  // D, D
-};
-
-const uint8_t kTemporalAction[27] = {
-    // rateClass = 0:
-    3,  // L, L
-    2,  // L, H
-    2,  // L, D
-    1,  // H ,L
-    3,  // H, H
-    1,  // H, D
-    1,  // D, L
-    2,  // D, H
-    1,  // D, D
-
-    // rateClass = 1:
-    3,  // L, L
-    3,  // L, H
-    3,  // L, D
-    1,  // H ,L
-    3,  // H, H
-    1,  // H, D
-    1,  // D, L
-    3,  // D, H
-    1,  // D, D
-
-    // rateClass = 2:
-    1,  // L, L
-    3,  // L, H
-    3,  // L, D
-    1,  // H ,L
-    3,  // H, H
-    1,  // H, D
-    1,  // D, L
-    3,  // D, H
-    1,  // D, D
-};
-
-// Control the total amount of down-sampling allowed.
-const float kMaxSpatialDown = 8.0f;
-const float kMaxTempDown = 3.0f;
-const float kMaxTotalDown = 9.0f;
-
-// Minimum image size for a spatial down-sampling.
-const int kMinImageSize = 176 * 144;
-
-// Minimum frame rate for temporal down-sampling:
-// no frame rate reduction if incomingFrameRate <= MIN_FRAME_RATE.
-const int kMinFrameRate = 8;
-
-//
-// PARAMETERS FOR FEC ADJUSTMENT: TODO (marpan)
-//
-
-//
-// PARAMETETS FOR SETTING LOW/HIGH STATES OF CONTENT METRICS:
-//
-
-// Thresholds for frame rate:
-const int kLowFrameRate = 10;
-const int kMiddleFrameRate = 15;
-const int kHighFrameRate = 25;
-
-// Thresholds for motion: motion level is from NFD.
-const float kHighMotionNfd = 0.075f;
-const float kLowMotionNfd = 0.03f;
-
-// Thresholds for spatial prediction error:
-// this is applied on the average of (2x2,1x2,2x1).
-const float kHighTexture = 0.035f;
-const float kLowTexture = 0.020f;
-
-// Used to reduce thresholds for larger/HD scenes: correction factor since
-// higher correlation in HD scenes means lower spatial prediction error.
-const float kScaleTexture = 0.9f;
-
-// Percentage reduction in transitional bitrate for 2x2 selected over 1x2/2x1.
-const float kRateRedSpatial2X2 = 0.6f;
-
-const float kSpatialErr2x2VsHoriz = 0.1f;   // percentage to favor 2x2 over H
-const float kSpatialErr2X2VsVert = 0.1f;    // percentage to favor 2x2 over V
-const float kSpatialErrVertVsHoriz = 0.1f;  // percentage to favor H over V
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_MODULES_VIDEO_CODING_QM_SELECT_DATA_H_