[FFmpeg-devel] [Uncompressed MP4] RFC - Draft Encoder

[Tomas Härdin]

Have a look at mov_get_rawvideo_codec_tag()

/Tomas

tis 2024-10-15 klockan 08:17 -0600 skrev Devon Sookhoo:
> This updated patch registers the 'uncv' tag in the isom_tags.c
> ff_codec_movvideo_tags[] list. However, I still need to specify the
> tag
> with the "-tag:v uncv" option. I hoped this change would set 'uncv'
> as the
> default tag for raw mp4 video, but I'm not sure what the issue is.
> 
> I'm also looking into passing FATE and adding additional test cases
> to
> cover this new code. The documentation is helpful, but there's still
> a
> steep learning curve to get all this put together.
> 
> Any help would be greatly appreciated.
> 
> On Sat, Oct 12, 2024 at 1:59 AM Tomas Härdin <git at haerdin.se> wrote:
> 
> > ons 2024-10-09 klockan 20:08 -0600 skrev Devon Sookhoo:
> > > Sounds good, I'll look into adding rawvideo to the list of
> > > movcodec_tags.
> > > 
> > > Looking at the AVPixFmtDescriptor, I noticed:
> > > AVComponentDescriptor
> > > comp[4]; Does this line limit the component count to only four?
> > > Encoding
> > > video with many components is an important use case.
> > 
> > I am aware of no pixel format with more than 4 components so
> > probably.
> > I've never seen hyperspectral imagery used in this project. I've
> > worked
> > with it before though
> > 
> > > Complex pixels are used in applications that involve both
> > > amplitude
> > > and
> > > phase information, particularly in signal processing and imaging
> > > techniques
> > > where the Fourier transform is frequently applied. Examples
> > > include
> > > Synthetic Aperture Radar (SAR), MRI scans, and radio astronomy.
> > 
> > Yep, suspected as much
> > 
> > /Tomas
> > _______________________________________________
> > ffmpeg-devel mailing list
> > ffmpeg-devel at ffmpeg.org
> > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
> > 
> > To unsubscribe, visit link above, or email
> > ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
> > 
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel at ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
> 
> To unsubscribe, visit link above, or email
> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".