> On Jul 23, 2015, at 10:08 AM, tim nicholson > <nichot20-at-yahoo....@ffmpeg.org> wrote: > > On 23/07/15 11:32, Matthieu Bouron wrote: >> On Thu, Jul 23, 2015 at 11:04 AM, tim nicholson < >> nichot20-at-yahoo....@ffmpeg.org> wrote: >> >>> On 22/07/15 14:29, Matthieu Bouron wrote: >>>> Hello there, >>>> >>>> The following patchset add support for j2ki/mxf files (which store frames >>>> using the separate fields / segmented frame layouts, ie: fields are >>>> stored in seperate frames) through the insertion of filters at the >>>> ffmpeg/ffplay level. It differs from my original attempt which introduced >>>> modifications at the decoder level, which in my opinion was wrong and >>>> introduced several limitations, such as: >>>> >>>> [..] >>> >>> I may be missing something here, as my mind has been on other things. >>> But currently most mxf material I see that ffmpeg correctly handles is >>> "frame wrapped" with the frame layout as type 1 (SEPARATE_FIELDS). >>> >> >> Can you provide samples with this layout ? I might have misinterpreted the >> MXF >> specs on this one. My understating is that, separated fields (as well as >> segmented frame) means >> that the fields are stored in a different "packet" (that might no be the >> right world for it). >> >> Also it might be specific to jpeg2000 (see below), i'll have to look again >> at the mxf/jpeg2000 spec again. >> > > I have added a 4 frame example to the trac ticket of interlaced IMX50 > material.
I added more jpeg2000 / MXF sample files to http://dericed.com/samples/j2kmxf/ <http://dericed.com/samples/j2kmxf/>. This includes 2 samples from OpenCube and 2 from SAMMA. The OpenCube files prefixed with Op1a are provided by Packed.be <http://packed.be/>. [..] Dave Rice _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
