| #!/usr/bin/env python |
| ## Copyright (c) 2019, Alliance for Open Media. All rights reserved |
| ## |
| ## This source code is subject to the terms of the BSD 2 Clause License and |
| ## the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| ## was not distributed with this source code in the LICENSE file, you can |
| ## obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| ## Media Patent License 1.0 was not distributed with this source code in the |
| ## PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| ## |
| __author__ = "maggie.sun@intel.com, ryan.lei@intel.com" |
| |
| import Utils |
| from Config import AOMENC, SVTAV1, EnableTimingInfo, Platform |
| from Utils import ExecuteCmd |
| |
| def get_qindex_from_QP(QP): |
| quantizer_to_qindex = [ |
| 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, |
| 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100, |
| 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144, 148, 152, |
| 156, 160, 164, 168, 172, 176, 180, 184, 188, 192, 196, 200, 204, |
| 208, 212, 216, 220, 224, 228, 232, 236, 240, 244, 249, 255] |
| if (QP > 63): |
| print(" QP %d is out of range (0 to 63), clamp to 63", QP) |
| return quantizer_to_qindex[63] |
| return quantizer_to_qindex[QP] |
| |
| def EncodeWithAOM_AV1(clip, test_cfg, QP, framenum, outfile, preset, enc_perf, |
| LogCmdOnly=False): |
| args = " --verbose --codec=av1 -v --psnr --obu --frame-parallel=0" \ |
| " --cpu-used=%s --limit=%d --passes=1 --end-usage=q --i%s " \ |
| " --end-usage=q --use-fixed-qp-offsets=1 --deltaq-mode=0 " \ |
| " --enable-tpl-model=0 --enable-keyframe-filtering=0 --fps=%d/%d " \ |
| " --input-bit-depth=%d --bit-depth=%d --cq-level=%d -w %d -h %d" \ |
| % (preset, framenum, clip.fmt, clip.fps_num, clip.fps_denom, |
| clip.bit_depth, clip.bit_depth, QP, clip.width, clip.height) |
| |
| # For 4K clip, encode with 2 tile columns using two threads. |
| # --tile-columns value is in log2. |
| if (clip.width >= 3840 and clip.height >= 2160): |
| args += " --tile-columns=1 --threads=2 --row-mt=0 " |
| else: |
| args += " --tile-columns=0 --threads=1 " |
| |
| if test_cfg == "AI": |
| args += " --kf-min-dist=0 --kf-max-dist=0 " |
| elif test_cfg == "RA" or test_cfg == "AS": |
| args += " --min-gf-interval=16 --max-gf-interval=16 --gf-min-pyr-height=4" \ |
| " --gf-max-pyr-height=4 --kf-min-dist=65 --kf-max-dist=65" \ |
| " --lag-in-frames=19 --auto-alt-ref=1 " |
| elif test_cfg == "LD": |
| args += " --kf-min-dist=9999 --kf-max-dist=9999 --lag-in-frames=0" \ |
| " --min-gf-interval=16 --max-gf-interval=16 --gf-min-pyr-height=4 " \ |
| " --gf-max-pyr-height=4 --subgop-config-str=ld " |
| else: |
| print("Unsupported Test Configuration %s" % test_cfg) |
| args += " -o %s %s" % (outfile, clip.file_path) |
| cmd = AOMENC + args |
| if (EnableTimingInfo): |
| if Platform == "Windows": |
| cmd = "ptime " + cmd + " >%s"%enc_perf |
| else: |
| cmd = "/usr/bin/time --verbose --output=%s "%enc_perf + cmd |
| ExecuteCmd(cmd, LogCmdOnly) |
| |
| def EncodeWithSVT_AV1(clip, test_cfg, QP, framenum, outfile, preset, enc_perf, |
| LogCmdOnly=False): |
| #TODO: update svt parameters |
| args = " --preset %s --scm 2 --lookahead 0 --hierarchical-levels 3 -n %d" \ |
| " --keyint 255 -rc 0 -q %d -w %d -h %d -b %s -i %s"\ |
| % (str(preset), framenum, QP, clip.width, clip.height, outfile, |
| clip.file_path) |
| cmd = SVTAV1 + args |
| if EnableTimingInfo: |
| if Platform == "Windows": |
| cmd = "ptime " + cmd + " >%s"%enc_perf |
| else: |
| cmd = "/usr/bin/time --verbose --output=%s"%enc_perf + cmd |
| ExecuteCmd(cmd, LogCmdOnly) |
| |
| def VideoEncode(EncodeMethod, CodecName, clip, test_cfg, QP, framenum, outfile, |
| preset, enc_perf, LogCmdOnly=False): |
| Utils.CmdLogger.write("::Encode\n") |
| if CodecName == 'av1': |
| if EncodeMethod == "aom": |
| EncodeWithAOM_AV1(clip, test_cfg, QP, framenum, outfile, preset, |
| enc_perf, LogCmdOnly) |
| elif EncodeMethod == "svt": |
| EncodeWithSVT_AV1(clip, test_cfg, QP, framenum, outfile, preset, |
| enc_perf, LogCmdOnly) |
| else: |
| raise ValueError("invalid parameter for encode.") |
| else: |
| raise ValueError("invalid parameter for encode.") |