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MP4 Video Transcoding Details

The document logs the initialization and probing of a media file, specifically an MP4 video with audio and video tracks. It details the properties of the tracks, such as codec types, bit rates, and dimensions, as well as the machine model used for processing. Additionally, it lists various audio and video codecs supported by the system.

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breno lima
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0% found this document useful (0 votes)
59 views3 pages

MP4 Video Transcoding Details

The document logs the initialization and probing of a media file, specifically an MP4 video with audio and video tracks. It details the properties of the tracks, such as codec types, bit rates, and dimensions, as well as the machine model used for processing. Additionally, it lists various audio and video codecs supported by the system.

Uploaded by

breno lima
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as TXT, PDF, TXT or read online on Scribd
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[000:050] [2021-08-09 16:44:57 +0000.

776770][51ab] SystemUtil Init done


[000:056] [2021-08-09 16:44:57 +0000.782995][6221]
Java_com_xiaomi_mediatranscode_MediaTranscode_ProbeTranscodeInfoJni time:100018658
enter.

[000:056] [2021-08-09 16:44:57 +0000.783109][6221] ProbeTranscodeInfo


time:100018658 enter.

[000:056] [2021-08-09 16:44:57 +0000.783157][6221] ProbeMP4VideoInfo:input


file:/storage/emulated/0/DCIM/Camera/VID_20210809_134410.mp4
[000:056] [2021-08-09 16:44:57 +0000.783193][6221] bool
xplatform_util::MP4Reader::FindTracks(std::string):
[000:060] [2021-08-09 16:44:57 +0000.787013][6221] There are num of tracks:2
[000:060] [2021-08-09 16:44:57 +0000.787131][6221] Audio track id:2
[000:060] [2021-08-09 16:44:57 +0000.787161][6221] Streaming media
[trackId:2,type:soun]
[000:060] [2021-08-09 16:44:57 +0000.787193][6221] Audio Channels:2
totalSamples:133
[000:061] [2021-08-09 16:44:57 +0000.787317][6221] The audioTrack media name:mp4a
[000:061] [2021-08-09 16:44:57 +0000.787776][6221] audio Duration:136653
[000:061] [2021-08-09 16:44:57 +0000.787840][6221] Video track id:1
[000:061] [2021-08-09 16:44:57 +0000.787869][6221] Streaming media
[trackId:1,type:vide]
[000:061] [2021-08-09 16:44:57 +0000.787886][6221] Video totalSamples:133
[000:061] [2021-08-09 16:44:57 +0000.787918][6221] The videoTrack media name:avc1
[000:061] [2021-08-09 16:44:57 +0000.787970][6221] video Duration:254401
[000:064] [2021-08-09 16:44:57 +0000.790376][6221] Find current key frame:1
sampleId:61 timeStamp:89626
[000:064] [2021-08-09 16:44:57 +0000.790457][6221] Find current key frame:2
sampleId:121 timeStamp:179498
[000:064] [2021-08-09 16:44:57 +0000.790475][6221] Being current pos: 269498 while
the duration: 254401, we have to stop find key frame now.
[000:064] [2021-08-09 16:44:57 +0000.790524][6221] Video track id:0
[000:064] [2021-08-09 16:44:57 +0000.790587][6221] Audio timescale:48000 video
timescale:90000 video size:1920X1080 avg key frame Interval:997 video bit
rate:18472110 audio bit rate:96000
[000:064] [2021-08-09 16:44:57 +0000.790616][6221] MP4 video info:
videoMediaName:avc1 audioMediaName: mp4a videoBitRate:18472110 audioBitRate: 96000
keyFrameInterval: 997 frameRate:60.1557 samplingRate_: 48000duration: 2 width:1920
height:1080
[000:064] [2021-08-09 16:44:57 +0000.790649][6221] void
xplatform_util::MP4Reader::CloseFiles():
[000:064] [2021-08-09 16:44:57 +0000.791036][6221] mp4v2 get the MP4 file video
parameters, video media name:avc1 audio media name:mp4a frame rate:60.1557
samplingRate:48000 video bit rate:18472110 audio bit rate: 96000 width:1920
height:1080 test_duration:2
[000:064] [2021-08-09 16:44:57 +0000.791073][6221] mp4v2 get the MP4 audio again
[000:065] [2021-08-09 16:44:57 +0000.791520][6221] getVideoInfo file:
/storage/emulated/0/DCIM/Camera/VID_20210809_134410.mp4
[000:065] [2021-08-09 16:44:57 +0000.791546][6222] Error(thread.cc:348): Set the
pthread name failed with error:34 name:Thread 0x0x704deea410
[000:080] [2021-08-09 16:44:57 +0000.807121][6221] Extractor selected track 1
(audio/mp4a-latm): {max-bitrate=96000, sample-rate=48000, track-id=2, file-
format=video/mp4, mime=audio/mp4a-latm, profile=2, bitrate=96000, language=```,
aac-profile=2, durationUs=2837333, aac-format-adif=0, channel-count=2, max-input-
size=65538, csd-0=java.nio.HeapByteBuffer[pos=0 lim=2 cap=2]}
[000:081] [2021-08-09 16:44:57 +0000.807573][6221] audio format is: audio/mp4a-latm
[000:081] [2021-08-09 16:44:57 +0000.808043][6221] Extractor selected track 0
(video/avc): {track-id=1, file-format=video/mp4, level=8192, mime=video/avc, frame-
count=170, profile=1, language=```, color-standard=1, display-width=1920, csd-
1=java.nio.HeapByteBuffer[pos=0 lim=8 cap=8], color-transfer=3, durationUs=2826677,
display-height=1080, width=1920, color-range=2, rotation-degrees=90, max-input-
size=1555201, frame-rate=60, height=1080, csd-0=java.nio.HeapByteBuffer[pos=0
lim=22 cap=22]}
[000:083] [2021-08-09 16:44:57 +0000.809303][6221] MoviePlayer play url
/storage/emulated/0/DCIM/Camera/VID_20210809_134410.mp4 width 1920 height 1080
rotation 90
[000:083] [2021-08-09 16:44:57 +0000.809460][6221] getVideoInfo file result: true
[000:083] [2021-08-09 16:44:57 +0000.809518][6221] width:1920height:1080
[000:083] [2021-08-09 16:44:57 +0000.809948][6221] H264Encode::GetMachineModel is
M2102J20SG
[000:083] [2021-08-09 16:44:57 +0000.809982][6221] ProbeTranscodeInfo machine_mode
is:M2102J20SG
[000:083] [2021-08-09 16:44:57 +0000.809996][6221] this machine M2102J20SG not
found in our list, use default param!
[000:084] [2021-08-09 16:44:57 +0000.810237][6221] H264Encode::GetMachineModel is
M2102J20SG
[000:084] [2021-08-09 16:44:57 +0000.810254][6221] ProbeTranscodeInfo machine_mode
is:M2102J20SG
[000:084] [2021-08-09 16:44:57 +0000.810267][6221] p1080TranscodeRate:0.703764
p720TranscodeRate:0.37895
[000:084] [2021-08-09 16:44:57 +0000.810284][6221] p1080TranscodeRate:0.703764
p720TranscodeRate:0.37895
[000:084] [2021-08-09 16:44:57 +0000.810295][6221] isAvcDecoderSupported width:
1920 height: 1080
[000:084] [2021-08-09 16:44:57 +0000.810376][6221] width: 1920, height: 1080,
frameRate: 60.155697
[000:084] [2021-08-09 16:44:57 +0000.810411][6221] sdk version is: 30
[000:098] [2021-08-09 16:44:57 +0000.825058][6221] codec name: video/avc
company:OMX.qcom.video.decoder.avc
[000:098] [2021-08-09 16:44:57 +0000.825165][6221] codec name: video/3gpp
company:OMX.qti.video.decoder.h263sw
[000:098] [2021-08-09 16:44:57 +0000.825195][6221] codec name: video/hevc
company:OMX.qcom.video.decoder.hevc
[000:098] [2021-08-09 16:44:57 +0000.825225][6221] codec name: video/mpeg2
company:OMX.qcom.video.decoder.mpeg2
[000:099] [2021-08-09 16:44:57 +0000.825251][6221] codec name: video/mp4v-es
company:OMX.qti.video.decoder.mpeg4sw
[000:099] [2021-08-09 16:44:57 +0000.825275][6221] codec name: video/x-ms-wmv
company:OMX.qti.video.decoder.vc1sw
[000:099] [2021-08-09 16:44:57 +0000.825302][6221] codec name: video/x-vnd.on2.vp8
company:OMX.qcom.video.decoder.vp8
[000:099] [2021-08-09 16:44:57 +0000.825325][6221] codec name: video/x-vnd.on2.vp9
company:OMX.qcom.video.decoder.vp9
[000:099] [2021-08-09 16:44:57 +0000.825350][6221] codec name: audio/raw
company:OMX.google.raw.decoder
[000:099] [2021-08-09 16:44:57 +0000.825376][6221] codec name: audio/mp4a-latm
company:c2.android.aac.decoder
[000:099] [2021-08-09 16:44:57 +0000.825396][6221] codec name: audio/mp4a-latm
company:OMX.google.aac.decoder
[000:099] [2021-08-09 16:44:57 +0000.825417][6221] codec name: audio/3gpp
company:c2.android.amrnb.decoder
[000:099] [2021-08-09 16:44:57 +0000.825434][6221] codec name: audio/3gpp
company:OMX.google.amrnb.decoder
[000:099] [2021-08-09 16:44:57 +0000.825452][6221] codec name: audio/amr-wb
company:c2.android.amrwb.decoder
[000:099] [2021-08-09 16:44:57 +0000.825470][6221] codec name: audio/amr-wb
company:OMX.google.amrwb.decoder
[000:099] [2021-08-09 16:44:57 +0000.825494][6221] codec name: audio/flac
company:c2.android.flac.decoder
[000:099] [2021-08-09 16:44:57 +0000.825518][6221] codec name: audio/flac
company:OMX.google.flac.decoder
[000:099] [2021-08-09 16:44:57 +0000.825541][6221] codec name: audio/g711-alaw
company:c2.android.g711.alaw.decoder
[000:099] [2021-08-09 16:44:57 +0000.825563][6221] codec name: audio/g711-alaw
company:OMX.google.g711.alaw.decoder
[000:099] [2021-08-09 16:44:57 +0000.825583][6221] codec name: audio/g711-mlaw
company:c2.android.g711.mlaw.decoder
[000:099] [2021-08-09 16:44:57 +0000.825603][6221] codec name: audio/g711-mlaw
company:OMX.google.g711.mlaw.decoder
[000:099] [2021-08-09 16:44:57 +0000.825622][6221] codec name: audio/mpeg
company:c2.android.mp3.decoder
[000:099] [2021-08-09 16:44:57 +0000.825642][6221] codec name: audio/mpeg
company:OMX.google.mp3.decoder
[000:099] [2021-08-09 16:44:57 +0000.825663][6221] codec name: audio/opus
company:c2.android.opus.decoder
[000:099] [2021-08-09 16:44:57 +0000.825683][6221] codec name: audio/opus
company:OMX.google.opus.decoder
[000:099] [2021-08-09 16:44:57 +0000.825707][6221] codec name: audio/raw
company:c2.android.raw.decoder
[000:099] [2021-08-09 16:44:57 +0000.825730][6221] codec name: audio/vorbis
company:c2.android.vorbis.deco

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