Merged coding functions

codec.m

+function [nbBits,peaksnr] = codec(varargin)
+%CODEC Summary of this function goes here
+%   Detailed explanation goes here
+
+[HEVCDir,~,~] = fileparts(mfilename('fullpath'));
+defaultCfg  = fullfile(HEVCDir,'cfg','intra.cfg');
+
+%% Parse coding choice
+codecp = inputParser; codecp.KeepUnmatched = true; codecp.StructExpand = true;
+codecp.addParameter('encode', true, @islogical);
+codecp.addParameter('decode', true, @islogical);
+
+codecp.parse(varargin{:});
+encode = codecp.Results.encode;
+decode = codecp.Results.decode;
+
+%% Select executable according to coding choice and OS
+if encode
+    if ispc
+        TApp = fullfile(HEVCDir,'bin','TAppEncoder.exe');
+    elseif isunix
+        TApp = fullfile(HEVCDir,'bin','TAppEncoderStatic');
+    else
+        error('Platform not supported')
+    end
+elseif decode
+    if ispc
+        TApp = fullfile(HEVCDir,'bin','TAppDecoder.exe');
+    elseif isunix
+        TApp = fullfile(HEVCDir,'bin','TAppDecoderStatic');
+    else
+        error('Platform not supported')
+    end
+else
+    warning('Nothing to do');
+    [nbBits,peaksnr] = deal(NaN);
+    return;
+end
+
+%% Select HEVC parameters to match according to coding choice
+HEVCp = inputParser; HEVCp.KeepUnmatched = true; HEVCp.StructExpand = true;
+
+if encode
+    HEVCp.addParameter('ConfigFile'         ,defaultCfg,@ischar);
+    HEVCp.addParameter('InputFile'          ,'ref.yuv' ,@ischar);
+    HEVCp.addParameter('BitstreamFile'      ,'bit.hevc',@ischar);
+    HEVCp.addParameter('SourceWidth'        ,'512'     ,@ischar);
+    HEVCp.addParameter('SourceHeight'       ,'512'     ,@ischar);
+    HEVCp.addParameter('InputBitDepth'      ,'8'       ,@ischar);
+    HEVCp.addParameter('InternalBitDepth'   ,'8'       ,@ischar);
+    HEVCp.addParameter('InputChromaFormat'  ,'420'     ,@ischar);
+    HEVCp.addParameter('FrameRate'          ,'60'      ,@ischar);
+    HEVCp.addParameter('FrameSkip'          ,'0'       ,@ischar);
+    HEVCp.addParameter('FramesToBeEncoded'  ,'1'       ,@ischar);
+    HEVCp.addParameter('QP'                 ,'30'      ,@ischar);
+    HEVCp.addParameter('WarnUnknowParameter','0'       ,@ischar);
+    if decode
+        HEVCp.addParameter('ReconFile'          ,'rec.yuv' ,@ischar);
+    end
+elseif decode
+    HEVCp.addParameter('BitstreamFile'      ,'bit.hevc',@ischar);
+    HEVCp.addParameter('ReconFile'          ,'rec.yuv' ,@ischar);
+    HEVCp.addParameter('SkipFrames'         ,'0'       ,@ischar);
+    HEVCp.addParameter('WarnUnknowParameter','0'       ,@ischar);
+end
+
+%% Parse HEVC arguments
+HEVCp.parse(codecp.Unmatched);
+
+HEVCParams = HEVCp.Results;
+extraHEVCParams = HEVCp.Unmatched;
+
+% Make sure ConfigFile is the first parameter to set default values
+if encode
+    perm = 1:numel(HEVCp.Parameters);
+    indconf = find(strcmp('ConfigFile',HEVCp.Parameters));
+    perm(1) = indconf; perm(indconf) = 1;
+    HEVCParams = orderfields(HEVCParams,perm);
+end
+
+% Make sure to create output folders before running executable
+[folder,~,~] = fileparts(HEVCp.Results.BitstreamFile);
+if ~exist(folder,'dir')
+    mkdir(folder);
+end
+if decode
+    [folder,~,~] = fileparts(HEVCp.Results.ReconFile);
+    if ~exist(folder,'dir')
+        mkdir(folder);
+    end
+end
+
+[LogFolder,LogName,~] = fileparts(HEVCp.Results.BitstreamFile);
+LogFileEnc = fullfile(LogFolder,[LogName,'_enc.rtf']);
+LogFileDec = fullfile(LogFolder,[LogName,'_dec.rtf']);
+
+%% Execute command
+HEVCArgList = paramToArgList(HEVCParams);
+extraHEVCArgList = paramToArgList(extraHEVCParams);
+
+if ispc
+    redirect = @(logfile) ['> ',logfile,' | type ' logfile];
+elseif isunix
+    redirect = @(logfile) ['| tee ' ,LogFile];
+end
+
+if encode
+    command = [TApp,' ',HEVCArgList,' ',extraHEVCArgList,' ',redirect(LogFileEnc)];
+elseif decode
+    command = [TApp,' ',HEVCArgList,' ',extraHEVCArgList,' ',redirect(LogFileDec)];
+end
+
+disp(command)
+status = system(command);
+
+if status
+    if encode
+        command = [TApp,' ',HEVCArgList,' ',redirect(LogFileEnc)];
+    elseif decode
+        command = [TApp,' ',HEVCArgList,' ',redirect(LogFileDec)];
+    end
+    
+    disp(command)
+    status = system(command);
+    
+    if status
+        error('HEVC Error');
+    end
+end
+
+[nbBits,peaksnr] = HEVC.parseLog(LogFileEnc);
+
+end
+
+function argList = paramToArgList(Params)
+parameters = fieldnames (Params);
+values     = struct2cell(Params);
+
+argList = cellfun(@(param,val) ['--',param,'=',val],parameters,values,'UniformOutput',false);
+
+argList = strjoin(argList(:));
+end
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