[x264-devel] how to improve compression efficiency of x264 encoder

[qw]

Hi,


>> Are you see below comment in there: "In a recent subjective test that
>> included video clips distributed across the motion-complexity spectrum,
>> IQ264x achieved a median gain of 26.5% when compared to the reference x264
>> encoder."
>
>"reference x264 encoder" is an odd statement, are you sure they're not
>referring to the reference H.264 encoder, e.g. JM? In that case only
>getting a 20-ish% improvement is actually quite bad.

I think x264 encoder is used as benchmark, and new algorithm is implemented into x264 encoder. The new algorithm results into at least 20% improvement.









At 2016-05-11 23:03:13, "Henrik Gramner" <henrik at gramner.com> wrote:
>On Wed, May 11, 2016 at 4:44 PM, chen <chenm003 at 163.com> wrote:
>> Are you see below comment in there: "In a recent subjective test that
>> included video clips distributed across the motion-complexity spectrum,
>> IQ264x achieved a median gain of 26.5% when compared to the reference x264
>> encoder."
>
>"reference x264 encoder" is an odd statement, are you sure they're not
>referring to the reference H.264 encoder, e.g. JM? In that case only
>getting a 20-ish% improvement is actually quite bad.
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>x264-devel mailing list
>x264-devel at videolan.org
>https://mailman.videolan.org/listinfo/x264-devel
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