Commit 9d039d26 authored by Anika Treffehn's avatar Anika Treffehn
Browse files

check tracefile propertied

parent 5f8001c5

ivas_processing_scripts/processing/processing_splitting_scaling.py

+42 −0
Original line number Diff line number Diff line
@@ -214,6 +214,7 @@ class Processing_splitting_scaling(Processing): 
                # read out tracefile with jbm info

                tracefile_info_file = Path(f"{in_file.with_suffix('').with_suffix('')}.tracefile.csv")

                tracefile_info = np.genfromtxt(tracefile_info_file, delimiter=";")

                validate_tracefile(tracefile_info)

            else:

                tracefile_info = None
@@ -306,3 +307,44 @@ def measure_loudness(file_splits, out_fmt, fs, loudness, loudness_fmt, meta, log 
        )

        scaling_splits.append(scale_factor)

    return scaling_splits





def validate_tracefile(tracefile):



    prevPlayTime = -1

    prevRtpTs = -1

    for j in range(tracefile.shape[0]):

        entry = tracefile[j]



        # require playTime > 0 and strictly increasing

        if entry[3] < 0:

            raise ValueError(f"Error in JBM trace file at line {j}: playTime < 0")

        if entry[3] <= prevPlayTime:

            raise ValueError(f"Error in JBM trace file at line {j}: playTime not strictly increasing")

        prevPlayTime = entry[3]



        # require playTime > rcvTime

        if entry[2] >= 0 and entry[3] < entry[2]:

            raise ValueError(f"Error in JBM trace file at line {j}: playTime < rcvTime")



        # rtpTs must be strictly increasing

        if entry[1] >= 0:

            if entry[1] == prevRtpTs:

                raise ValueError(f"Error in JBM trace file at line {j}: duplicated rtpTs found")

            # TODO: (treffehn) include RTP time stamp overflow handling?

            # else if (entry.rtpTs + rtpTsExtension < prevRtpTs) {

            # if (entry.rtpTs + rtpTsExtension + (1LL << 32) - prevRtpTs <

            #         prevRtpTs - (entry.rtpTs + rtpTsExtension)) {

            # // overflow of 32bit RTP time stamp, increase extension

            # rtpTsExtension += 1LL << 32;

            # }

            # else {

            # fprintf(stderr, "Error in JBM trace file at line %d: rtpTs not strictly increasing\n", entry.line);

            # return false;

            # }

            # }

            # entry.rtpTs += rtpTsExtension;

            # prevRtpTs = entry.rtpTs;

            # }

        elif entry[1] != -1:

            raise ValueError(f"Error in JBM trace file at line {j}: unexpected rtpTs")