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Trace

The document contains log entries from a media transcoding process, detailing the initialization of system utilities and probing of video and audio information from an MP4 file. It identifies two tracks: one audio track with a bitrate of 128000 and one video track with a bitrate of 3142369, along with their respective properties. Additionally, it notes the extraction of selected tracks and some errors related to thread naming.

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0% found this document useful (0 votes)
13 views2 pages

Trace

The document contains log entries from a media transcoding process, detailing the initialization of system utilities and probing of video and audio information from an MP4 file. It identifies two tracks: one audio track with a bitrate of 128000 and one video track with a bitrate of 3142369, along with their respective properties. Additionally, it notes the extraction of selected tracks and some errors related to thread naming.

Uploaded by

hamzattl944
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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[000:026] [2025-07-05 06:01:32 +0000.

272510][7014] SystemUtil Init done


[000:028] [2025-07-05 06:01:32 +0000.274370][ab6]
Java_com_xiaomi_mediatranscode_MediaTranscode_ProbeTranscodeInfoJni time:144955154
enter.

[000:028] [2025-07-05 06:01:32 +0000.274622][ab6] ProbeTranscodeInfo time:144955154


enter.

[000:028] [2025-07-05 06:01:32 +0000.274736][ab6] ProbeMP4VideoInfo:input


file:/storage/emulated/0/DCIM/Camera/2025-07-03-200217282.mp4
[000:028] [2025-07-05 06:01:32 +0000.274824][ab6] bool
xplatform_util::MP4Reader::FindTracks(std::string):
[000:032] [2025-07-05 06:01:32 +0000.278733][ab6] There are num of tracks:2
[000:032] [2025-07-05 06:01:32 +0000.278798][ab6] Audio track id:2
[000:032] [2025-07-05 06:01:32 +0000.278818][ab6] Streaming media
[trackId:2,type:soun]
[000:033] [2025-07-05 06:01:32 +0000.278841][ab6] Audio Channels:2 totalSamples:635
[000:033] [2025-07-05 06:01:32 +0000.278863][ab6] The audioTrack media name:mp4a
[000:033] [2025-07-05 06:01:32 +0000.278879][ab6] audio Duration:650240
[000:033] [2025-07-05 06:01:32 +0000.278900][ab6] Video track id:1
[000:033] [2025-07-05 06:01:32 +0000.278915][ab6] Streaming media
[trackId:1,type:vide]
[000:033] [2025-07-05 06:01:32 +0000.278929][ab6] Video totalSamples:635
[000:033] [2025-07-05 06:01:32 +0000.278946][ab6] The videoTrack media name:hvc1
[000:033] [2025-07-05 06:01:32 +0000.278963][ab6] video Duration:14708371
[000:126] [2025-07-05 06:01:32 +0000.371821][ab6] Find current key frame:1
sampleId:117 timeStamp:3868333
[000:126] [2025-07-05 06:01:32 +0000.371896][ab6] Find current key frame:2
sampleId:233 timeStamp:7738333
[000:126] [2025-07-05 06:01:32 +0000.371917][ab6] Find current key frame:3
sampleId:349 timeStamp:11606667
[000:126] [2025-07-05 06:01:32 +0000.371936][ab6] Find the key frame invalid!
[000:126] [2025-07-05 06:01:32 +0000.371974][ab6] Video track id:0
[000:126] [2025-07-05 06:01:32 +0000.372025][ab6] Audio timescale:44100 video
timescale:1000000 video size:0X0 avg key frame Interval:3868 video bit rate:3142369
audio bit rate:128000
[000:126] [2025-07-05 06:01:32 +0000.372045][ab6] MP4 video info:
videoMediaName:hvc1 audioMediaName: mp4a videoBitRate:3142369 audioBitRate: 128000
keyFrameInterval: 3868 frameRate:29.9837 samplingRate_: 44100duration: 14 width:0
height:0
[000:126] [2025-07-05 06:01:32 +0000.372069][ab6] void
xplatform_util::MP4Reader::CloseFiles():
[000:128] [2025-07-05 06:01:32 +0000.374087][ab6] mp4v2 get the MP4 file video
parameters, video media name:hvc1 audio media name:mp4a frame rate:29.9837
samplingRate:44100 video bit rate:3142369 audio bit rate: 128000 width:0 height:0
test_duration:14
[000:128] [2025-07-05 06:01:32 +0000.374184][ab6] videoMediaName: hvc1
[000:128] [2025-07-05 06:01:32 +0000.374202][ab6] mp4v2 get the MP4 again
[000:128] [2025-07-05 06:01:32 +0000.374779][ab6] getVideoInfo file:
/storage/emulated/0/DCIM/Camera/2025-07-03-200217282.mp4
[000:129] [2025-07-05 06:01:32 +0000.375014][ab7] Error(thread.cc:348): Set the
pthread name failed with error:34 name:Thread 0x0x7161b18410
[000:139] [2025-07-05 06:01:32 +0000.385601][ab6] Extractor selected track 1
(audio/mp4a-latm): {max-bitrate=128000, sample-rate=44100, track-id=2, file-
format=video/mp4, mime=audio/mp4a-latm, profile=2, bitrate=128000, language=und,
aac-profile=2, encoder-delay=2048, durationUs=14744671, aac-format-adif=0, channel-
count=2, encoder-padding=10, max-input-size=65538, csd-
0=java.nio.HeapByteBuffer[pos=0 lim=2 cap=2]}
[000:140] [2025-07-05 06:01:32 +0000.386027][ab6] audio format is: audio/mp4a-latm
[000:140] [2025-07-05 06:01:32 +0000.386500][ab6] Extractor selected track 0
(video/hevc): {track-id=1, file-format=video/mp4, level=256, mime=video/hevc,
frame-count=441, profile=1, language=und, color-standard=2, display-width=480,
color-transfer=3, durationUs=14708371, display-height=856, width=480, color-
range=2, rotation-degrees=0, max-input-size=308160, frame-rate=30, height=856, csd-
0=java.nio.HeapByteBuffer[pos=0 lim=81 cap=81]}
[000:141] [2025-07-05 06:01:32 +0000.387633][ab6] MoviePlayer play url
/storage/emulated/0/DCIM/Came

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