[FFmpeg-trac] #2312(undetermined:closed): AVI (Matrox-compatible) file doubling up in size
FFmpeg
trac at avcodec.org
Thu Feb 28 23:04:21 CET 2013
#2312: AVI (Matrox-compatible) file doubling up in size
-------------------------------------+-------------------------------------
Reporter: wleo75 | Owner:
Type: defect | Status: closed
Priority: normal | Component:
Version: unspecified | undetermined
Keywords: | Resolution: invalid
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
-------------------------------------+-------------------------------------
Changes (by cehoyos):
* priority: important => normal
* resolution: => invalid
* status: new => closed
* component: FFmpeg => undetermined
* version: => unspecified
Comment:
Your input sample is high-bitrate MPEG2. It is possible to re-encode your
sample so that the output file has less than 3% of the size of the input
file, depending on the used codec and settings. (Unrelated but
interesting: Even using highest quality MPEG-1 re-encoding, the size was
still reduced to far below 10%.)
dvvideo has a defined bit-rate (defined by the specification, not the
FFmpeg developers) that cannot be changed. This bit-rate is (even) higher
than the bit-rate of your input file.
For future questions: Please remember that this is a bug tracker, not a
support forum, see http://ffmpeg.org/contact.html for the ffmpeg-user
mailing list.
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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2312#comment:2>
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