[FFmpeg-devel] [PATCH] Silence warnings about NAL_SVC_NON_IDR in H264

Måns Rullgård mans
Thu Aug 30 14:48:35 CEST 2007


Carl Eugen Hoyos wrote:
> Hi!
>
> On 2007-08-30 10:32, Reimar D?ffinger wrote:
>> Hello,
>> On Thu, Aug 30, 2007 at 12:18:25PM +0200, Carl Eugen Hoyos wrote:
>> > Hi!
>> >
>> > When watching EXQI, a HDTV program broadcasting in H264, with MPlayer,
>> > this warning appears every few seconds:
>> >
>> > [h264 @ 0x891c570]Unknown NAL code: 20 (18 bits)
>> >
>> > Attached patch silences the warnings by ignoring these NALs.
>> >
>> > Carl Eugen
>>
>> > Index: libavcodec/h264data.h
>> > ===================================================================
>> > --- libavcodec/h264data.h    (Revision 10260)
>> > +++ libavcodec/h264data.h    (Arbeitskopie)
>> > @@ -74,7 +74,9 @@
>> >  NAL_END_STREAM,
>> >  NAL_FILLER_DATA,
>> >  NAL_SPS_EXT,
>> > -NAL_AUXILIARY_SLICE=19
>> > +NAL_AUXILIARY_SLICE=19,
>> > +NAL_SVC_NON_IDR,
>> > +NAL_SVC_IDR

NAL unit types 20--23 are "reserved" in the latest published version
of the standard.  Is this some unofficial extension or a work in
progress being used?

-- 
M?ns Rullg?rd
mans at mansr.com




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