[FFmpeg-devel] [PATCH] doc/bitstream_filters: document imx_dump_header

Michael Niedermayer michaelni at gmx.at
Wed Jun 11 00:19:51 CEST 2014

On Tue, Jun 10, 2014 at 05:02:26PM -0400, Dave Rice wrote:
> On Jun 10, 2014, at 3:22 PM, Lou Logan <lou at lrcd.com> wrote:
> > On Tue, 10 Jun 2014 14:26:24 -0400, Dave Rice wrote:
> > 
> >> I moved both a "-bsf:v imxdump -vtag mx3n" output and a "-vtag mx3n"
> >> output to an omneon broadcast server (which is usually more picky
> >> about imx than final cut), and both played out correctly. Dave Rice
> > 
> > Thanks for testing. I posted a new patch "lavc: remove imx_dump_header
> > bitstream filter".
> > 
> > If nobody likes the removal idea than this documentation patch can be
> > updated to mention that this bsf is obsolete and -vtag mx3n can be used
> > instead to stream copy IMX into mov, but I'm unsure what Final Cut Pro
> > (and QuickTime probably) versions this bsf is designed for.
> For the record, mx3n is the fourcc for 30 MB/sec NTSC IMX. In other cases you may need mx4n, mx5n, mx3p, mx4p, or mx5p for NSTC or PAL and 30, 40 and 50 MB/s.
> Dave Rice

maybe something similar to mov_get_mpeg2_xdcam_codec_tag() could be
written for it ?

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Opposition brings concord. Out of discord comes the fairest harmony.
-- Heraclitus
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