TIKA-4800: Expose the MP4 frame rate, audio channels and sample size - #2982
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JIRA: https://issues.apache.org/jira/browse/TIKA-4800
metadata-extractor's
Mp4VideoDirectoryandMp4SoundDirectoryalready populate the frame rate, channel count and audio sample size, butMP4Parseronly mapped a subset. This forwards the three:video:frame-rate(a newVideoproperty, sinceXMPDM.VIDEO_FRAME_RATEis a closed-choice text field),audio:channels(the raw count;XMPDM.AUDIO_CHANNEL_TYPEonly distinguishes Mono/Stereo) andaudio:bits-per-sample.One property per commit. Tests assert channels/bits against the existing
testMP4.m4a(2 channels, 16 bits) and the frame rate against a new 1.8 KB ffmpeg-generated clip (testMP4Video.mp4, 10 fps).