wrong codec and bitrate for flash videos
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#687 wrong codec and bitrate for flash videos
pending
5
2012-05-22
2012-05-22
No
x64 system:
#mediainfo some.flv
General
Complete name : some.flv
Format : Flash Video
File size : 464 MiB
Duration : 1h 23mn
Overall bit rate : 700 Mbps
Tagging application : MONOGRAM FLV Mux
Video
Format : Sorenson Spark <-- PROBLEM!
Codec ID : 2
Duration : 1h 23mn
Bit rate : 672 Mbps <-- PROBLEM!
Width : 384 pixels
Height : 288 pixels
Display aspect ratio : 4:3
Frame rate mode : Constant
Frame rate : 25.000 fps
Bit depth : 8 bits
Bits/(Pixel*Frame) : 243.135
Stream size : 394 GiB <-- PROBLEM!
Audio
Format : MPEG Audio
Format version : Version 2
Format profile : Layer 3
Codec ID : 2
Codec ID/Hint : MP3
Duration : 1h 23mn
Bit rate mode : Constant
Bit rate : 64.0 Kbps
Channel(s) : 1 channel
Sampling rate : 22.05 KHz
Compression mode : Lossy
Stream size : 38.4 MiB (8%)
Writing library : LAME3.98.2
# mediainfo --Version
MediaInfo Command line,
MediaInfoLib - v0.7.57
other versionon i386:
# mediainfo some.flv
General
Complete name : some.flv
Format : Flash Video
File size : 464 MiB
Duration : 1h 23mn
Overall bit rate : 772 Kbps
Tagging application : MONOGRAM FLV Mux
Video
Format : H.263
Duration : 1h 23mn
Bit rate : 669 Kbps
Width : 384 pixels
Height : 288 pixels
Display aspect ratio : 4:3
Frame rate mode : Constant
Frame rate : 25.000 fps
Bits/(Pixel*Frame) : 0.242
Stream size : 402 MiB (87%)
Audio
Format : MPEG Audio
Format version : Version 2
Format profile : Layer 3
Duration : 1h 23mn
Bit rate mode : Constant
Bit rate : 64.0 Kbps
Channel(s) : 1 channel
Sampling rate : 22.05 KHz
Bit depth : 16 bits
Stream size : 38.4 MiB (8%)
Writing library : LAME3.98.2
# mediainfo --Version
MediaInfo Command line,
MediaInfoLib - v0.7.34
v0.7.57 is from the "official" .deb package
I need the file.
I send you FTP credentials by private email, let me know when you finish uploading.
> Format : Sorenson Spark <-- PROBLEM!
No. Previous version, with "H.263" was a problem.
If I well understood, the bitstream from Sorenson in FLV is not conform to H.263 specifications.
https://en.wikipedia.org/wiki/Sorenson_codec#Sorenson_Spark