| #!/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 os |
| from VideoEncoder import VideoEncode |
| from VideoDecoder import VideoDecode |
| from VideoScaler import UpScaling, GetDownScaledOutFile, GetUpScaledOutFile |
| from Config import SUFFIX, LoggerName |
| from Utils import GetShortContentName, Clip |
| import logging |
| |
| subloggername = "EncDecUpscale" |
| loggername = LoggerName + '.' + '%s' % subloggername |
| logger = logging.getLogger(loggername) |
| |
| ################################################################################ |
| ##################### Internal Helper Functions ################################ |
| def GetBitstreamFile(method, codec, test_cfg, preset, yuvfile, qp, outpath): |
| bs_suffix = SUFFIX[codec] |
| Prefix_EncodeCfg = '_%s_%s_%s_Preset_%s' % (method, codec, test_cfg, preset) |
| filename = GetShortContentName(yuvfile, False) + Prefix_EncodeCfg + "_QP_"\ |
| + str(qp) + bs_suffix |
| filename = os.path.join(outpath, filename) |
| return filename |
| |
| def GetDecodedFile(bsfile, outpath): |
| filename = GetShortContentName(bsfile, False) + '_Decoded.y4m' |
| decodedfile = os.path.join(outpath, filename) |
| return decodedfile |
| |
| def GetEncPerfFile(bsfile, perfpath): |
| filename = GetShortContentName(bsfile, False) + '_EncTime.txt' |
| return os.path.join(perfpath, filename) |
| |
| def GetDecPerfFile(bsfile, perfpath): |
| filename = GetShortContentName(bsfile, False) + '_DecTime.txt' |
| return os.path.join(perfpath, filename) |
| |
| ################################################################################ |
| ##################### Major Functions ########################################## |
| def Encode(method, codec, preset, clip, test_cfg, qp, num, bs_path, perf_path, |
| LogCmdOnly=False): |
| bsfile = GetBitstreamFile(method, codec, test_cfg, preset, clip.file_path, |
| qp, bs_path) |
| enc_perf = GetEncPerfFile(bsfile, perf_path) |
| # call VideoEncoder to do the encoding |
| VideoEncode(method, codec, clip, test_cfg, qp, num, bsfile, preset, enc_perf, |
| LogCmdOnly) |
| return bsfile |
| |
| def Decode(codec, bsfile, path, perf_path, LogCmdOnly=False): |
| decodedfile = GetDecodedFile(bsfile, path) |
| dec_perf = GetDecPerfFile(bsfile, perf_path) |
| #call VideoDecoder to do the decoding |
| VideoDecode(codec, bsfile, decodedfile, dec_perf, LogCmdOnly) |
| return decodedfile |
| |
| def Run_EncDec_Upscale(method, codec, preset, clip, test_cfg, QP, num, outw, |
| outh, path_bs, path_decoded, path_upscaled, path_cfg, |
| path_perf, upscale_algo, LogCmdOnly = False): |
| logger.info("%s %s start encode file %s with QP = %d" % |
| (method, codec, clip.file_name, QP)) |
| bsFile = Encode(method, codec, preset, clip, test_cfg, QP, num, path_bs, |
| path_perf, LogCmdOnly) |
| logger.info("start decode file %s" % os.path.basename(bsFile)) |
| decodedYUV = Decode(codec, bsFile, path_decoded, path_perf, LogCmdOnly) |
| logger.info("start upscale file %s" % os.path.basename(decodedYUV)) |
| #hard code frame rate to 30fps to match with decoder output for now. |
| #TODO: change to real frame rate after decoder fix the issue |
| dec_clip = Clip(GetShortContentName(decodedYUV, False) + '.y4m', |
| decodedYUV, clip.file_class, clip.width, clip.height, |
| clip.fmt, 30, 1, clip.bit_depth) |
| upscaledYUV = UpScaling(dec_clip, num, outw, outh, path_upscaled, path_cfg, |
| upscale_algo, LogCmdOnly) |
| logger.info("finish Run Encode, Decode and Upscale") |
| return upscaledYUV |
| |
| |
| def GetBsReconFileName(encmethod, codecname, test_cfg, preset, clip, dw, dh, |
| dnScAlgo, upScAlgo, qp, path_bs): |
| dsyuv_name = GetDownScaledOutFile(clip, dw, dh, path_bs, dnScAlgo) |
| # return bitstream file with absolute path |
| bs = GetBitstreamFile(encmethod, codecname, test_cfg, preset, dsyuv_name, |
| qp, path_bs) |
| decoded = GetDecodedFile(bs, path_bs) |
| ds_clip = Clip(GetShortContentName(decoded, False) + '.y4m', |
| decoded, clip.file_class, dw, dh, clip.fmt, clip.fps_num, |
| clip.fps_denom, clip.bit_depth) |
| reconfilename = GetUpScaledOutFile(ds_clip, clip.width, clip.height, |
| upScAlgo, path_bs) |
| # return only Recon yuv file name w/o path |
| reconfilename = GetShortContentName(reconfilename, False) + '.y4m' |
| return bs, reconfilename |
