| Message ID | 20190926145742.28621-1-lance.lmwang@gmail.com |
|---|---|
| State | New |
| Headers | show |
On 26-09-2019 08:27 PM, lance.lmwang@gmail.com wrote: > From: Limin Wang <lance.lmwang@gmail.com> > > Reviewed-by: Gyan <ffmpeg@gyani.pro> > Signed-off-by: Limin Wang <lance.lmwang@gmail.com> > --- > doc/filters.texi | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++--- > 1 file changed, 52 insertions(+), 3 deletions(-) > > diff --git a/doc/filters.texi b/doc/filters.texi > index e6f8bf0..581a96b 100644 > --- a/doc/filters.texi > +++ b/doc/filters.texi > @@ -19060,6 +19060,13 @@ terminates. Default value is 0. > @itemize > @item > Display 4 inputs into 2x2 grid. > + > +Below is the 4 inputs position: > +@example > +input1(0, 0) | input3(w0, 0) > +input2(0, h0) | input4(w0, h0) > +@end example > + > Note that if inputs are of different sizes unused gaps might appear, > as not all of output video is used. > @example > @@ -19068,6 +19075,15 @@ xstack=inputs=4:layout=0_0|0_h0|w0_0|w0_h0 > > @item > Display 4 inputs into 1x4 grid. > + > +Below is the 4 inputs position: > +@example > +input1(0, 0) > +input2(0, h0) > +input3(0, h0+h1) > +input4(0, h0+h1+h2) > +@end example > + > Note that if inputs are of different sizes unused gaps might appear, > as not all of output video is used. > @example > @@ -19076,11 +19092,44 @@ xstack=inputs=4:layout=0_0|0_h0|0_h0+h1|0_h0+h1+h2 > > @item > Display 9 inputs into 3x3 grid. > -Note that if inputs are of different sizes unused gaps might appear, > -as not all of output video is used. > + > +Below is the 9 inputs position: > @example > -xstack=inputs=9:layout=w3_0|w3_h0+h2|w3_h0|0_h4|0_0|w3+w1_0|0_h1+h2|w3+w1_h0|w3+w1_h1+h2 > +input1(0, 0) | input4(w0, 0) | input7(w0+w3, 0) > +input2(0, h0) | input5(w0, h0) | input8(w0+w3, h0) > +input3(0, h0+h1) | input6(w0, h0+h1) | input9(w0+w3, h0+h1) > @end example > + > +Note that if the input size is different, there may be unused gaps or > +overlaps. For example, if the height of input4 is greater than input1, > +input5 will overlaid the top of input4, if the width of input5 is less > +than input4, then input5 will have unused gaps. > + > +@example > +xstack=inputs=9:layout=0_0|0_h0|0_h0+h1|w0_0|w0_h0|w0_h0+h1|w0+w3_0|w0+w3_h0|w0+w3_h0+h1 > +@end example > + > +@item > +Display 16 inputs into 4x4 grid. > + > +Below is the 16 inputs position: > +@example > +input1(0, 0) | input5(w0, 0) | input9 (w0+w4, 0) | input13(w0+w4+w8, 0) > +input2(0, h0) | input6(w0, h0) | input10(w0+w4, h0) | input14(w0+w4+w8, h0) > +input3(0, h0+h1) | input7(w0, h0+h1) | input11(w0+w4, h0+h1) | input15(w0+w4+w8, h0+h1) > +input4(0, h0+h1+h2)| input8(w0, h0+h1+h2)| input12(w0+w4, h0+h1+h2)| input16(w0+w4+w8, h0+h1+h2) > +@end example > + > +Note that if the input size is different, there may be unused gaps or > +overlaps. For example, if the height of input5 is greater than input1, > +input6 will overlaid the top of input5, if the width of input6 is less > +than input5, then input6 will have unused gaps. > + > +@example > +xstack=inputs=16:layout=0_0|0_h0|0_h0+h1|0_h0+h1+h2|w0_0|w0_h0|w0_h0+h1|w0_h0+h1+h2|w0+w4_0| > +w0+w4_h0|w0+w4_h0+h1|w0+w4_h0+h1+h2|w0+w4+w8_0|w0+w4+w8_h0|w0+w4+w8_h0+h1|w0+w4+w8_h0+h1+h2 > +@end example > + > @end itemize > > @anchor{yadif} Pushed with minor changes as af007e36d1590d431282fd760175d92f631dc48f Thanks, Gyan
On Thu, Sep 26, 2019 at 09:50:16PM +0530, Gyan wrote: > > > On 26-09-2019 08:27 PM, lance.lmwang@gmail.com wrote: > >From: Limin Wang <lance.lmwang@gmail.com> > > > >Reviewed-by: Gyan <ffmpeg@gyani.pro> > >Signed-off-by: Limin Wang <lance.lmwang@gmail.com> > >--- > > doc/filters.texi | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++--- > > 1 file changed, 52 insertions(+), 3 deletions(-) > > > >diff --git a/doc/filters.texi b/doc/filters.texi > >index e6f8bf0..581a96b 100644 > >--- a/doc/filters.texi > >+++ b/doc/filters.texi > >@@ -19060,6 +19060,13 @@ terminates. Default value is 0. > > @itemize > > @item > > Display 4 inputs into 2x2 grid. > >+ > >+Below is the 4 inputs position: > >+@example > >+input1(0, 0) | input3(w0, 0) > >+input2(0, h0) | input4(w0, h0) > >+@end example > >+ > > Note that if inputs are of different sizes unused gaps might appear, > > as not all of output video is used. > > @example > >@@ -19068,6 +19075,15 @@ xstack=inputs=4:layout=0_0|0_h0|w0_0|w0_h0 > > @item > > Display 4 inputs into 1x4 grid. > >+ > >+Below is the 4 inputs position: > >+@example > >+input1(0, 0) > >+input2(0, h0) > >+input3(0, h0+h1) > >+input4(0, h0+h1+h2) > >+@end example > >+ > > Note that if inputs are of different sizes unused gaps might appear, > > as not all of output video is used. > > @example > >@@ -19076,11 +19092,44 @@ xstack=inputs=4:layout=0_0|0_h0|0_h0+h1|0_h0+h1+h2 > > @item > > Display 9 inputs into 3x3 grid. > >-Note that if inputs are of different sizes unused gaps might appear, > >-as not all of output video is used. > >+ > >+Below is the 9 inputs position: > > @example > >-xstack=inputs=9:layout=w3_0|w3_h0+h2|w3_h0|0_h4|0_0|w3+w1_0|0_h1+h2|w3+w1_h0|w3+w1_h1+h2 > >+input1(0, 0) | input4(w0, 0) | input7(w0+w3, 0) > >+input2(0, h0) | input5(w0, h0) | input8(w0+w3, h0) > >+input3(0, h0+h1) | input6(w0, h0+h1) | input9(w0+w3, h0+h1) > > @end example > >+ > >+Note that if the input size is different, there may be unused gaps or > >+overlaps. For example, if the height of input4 is greater than input1, > >+input5 will overlaid the top of input4, if the width of input5 is less > >+than input4, then input5 will have unused gaps. > >+ > >+@example > >+xstack=inputs=9:layout=0_0|0_h0|0_h0+h1|w0_0|w0_h0|w0_h0+h1|w0+w3_0|w0+w3_h0|w0+w3_h0+h1 > >+@end example > >+ > >+@item > >+Display 16 inputs into 4x4 grid. > >+ > >+Below is the 16 inputs position: > >+@example > >+input1(0, 0) | input5(w0, 0) | input9 (w0+w4, 0) | input13(w0+w4+w8, 0) > >+input2(0, h0) | input6(w0, h0) | input10(w0+w4, h0) | input14(w0+w4+w8, h0) > >+input3(0, h0+h1) | input7(w0, h0+h1) | input11(w0+w4, h0+h1) | input15(w0+w4+w8, h0+h1) > >+input4(0, h0+h1+h2)| input8(w0, h0+h1+h2)| input12(w0+w4, h0+h1+h2)| input16(w0+w4+w8, h0+h1+h2) > >+@end example > >+ > >+Note that if the input size is different, there may be unused gaps or > >+overlaps. For example, if the height of input5 is greater than input1, > >+input6 will overlaid the top of input5, if the width of input6 is less > >+than input5, then input6 will have unused gaps. > >+ > >+@example > >+xstack=inputs=16:layout=0_0|0_h0|0_h0+h1|0_h0+h1+h2|w0_0|w0_h0|w0_h0+h1|w0_h0+h1+h2|w0+w4_0| > >+w0+w4_h0|w0+w4_h0+h1|w0+w4_h0+h1+h2|w0+w4+w8_0|w0+w4+w8_h0|w0+w4+w8_h0+h1|w0+w4+w8_h0+h1+h2 > >+@end example > >+ > > @end itemize > > @anchor{yadif} > > Pushed with minor changes as af007e36d1590d431282fd760175d92f631dc48f Gyan, thanks, I think the current layout is difficult to understand for user, how do you think if I will change implementaion of the layout with the following setting? 1x2, 2x1, 2x2, 3x3, 4x4, 5x5 ... > > Thanks, > Gyan > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
On 9/27/19, Limin Wang <lance.lmwang@gmail.com> wrote: > On Thu, Sep 26, 2019 at 09:50:16PM +0530, Gyan wrote: >> >> >> On 26-09-2019 08:27 PM, lance.lmwang@gmail.com wrote: >> >From: Limin Wang <lance.lmwang@gmail.com> >> > >> >Reviewed-by: Gyan <ffmpeg@gyani.pro> >> >Signed-off-by: Limin Wang <lance.lmwang@gmail.com> >> >--- >> > doc/filters.texi | 55 >> > ++++++++++++++++++++++++++++++++++++++++++++++++++++--- >> > 1 file changed, 52 insertions(+), 3 deletions(-) >> > >> >diff --git a/doc/filters.texi b/doc/filters.texi >> >index e6f8bf0..581a96b 100644 >> >--- a/doc/filters.texi >> >+++ b/doc/filters.texi >> >@@ -19060,6 +19060,13 @@ terminates. Default value is 0. >> > @itemize >> > @item >> > Display 4 inputs into 2x2 grid. >> >+ >> >+Below is the 4 inputs position: >> >+@example >> >+input1(0, 0) | input3(w0, 0) >> >+input2(0, h0) | input4(w0, h0) >> >+@end example >> >+ >> > Note that if inputs are of different sizes unused gaps might appear, >> > as not all of output video is used. >> > @example >> >@@ -19068,6 +19075,15 @@ xstack=inputs=4:layout=0_0|0_h0|w0_0|w0_h0 >> > @item >> > Display 4 inputs into 1x4 grid. >> >+ >> >+Below is the 4 inputs position: >> >+@example >> >+input1(0, 0) >> >+input2(0, h0) >> >+input3(0, h0+h1) >> >+input4(0, h0+h1+h2) >> >+@end example >> >+ >> > Note that if inputs are of different sizes unused gaps might appear, >> > as not all of output video is used. >> > @example >> >@@ -19076,11 +19092,44 @@ >> > xstack=inputs=4:layout=0_0|0_h0|0_h0+h1|0_h0+h1+h2 >> > @item >> > Display 9 inputs into 3x3 grid. >> >-Note that if inputs are of different sizes unused gaps might appear, >> >-as not all of output video is used. >> >+ >> >+Below is the 9 inputs position: >> > @example >> >-xstack=inputs=9:layout=w3_0|w3_h0+h2|w3_h0|0_h4|0_0|w3+w1_0|0_h1+h2|w3+w1_h0|w3+w1_h1+h2 >> >+input1(0, 0) | input4(w0, 0) | input7(w0+w3, 0) >> >+input2(0, h0) | input5(w0, h0) | input8(w0+w3, h0) >> >+input3(0, h0+h1) | input6(w0, h0+h1) | input9(w0+w3, h0+h1) >> > @end example >> >+ >> >+Note that if the input size is different, there may be unused gaps or >> >+overlaps. For example, if the height of input4 is greater than input1, >> >+input5 will overlaid the top of input4, if the width of input5 is less >> >+than input4, then input5 will have unused gaps. >> >+ >> >+@example >> >+xstack=inputs=9:layout=0_0|0_h0|0_h0+h1|w0_0|w0_h0|w0_h0+h1|w0+w3_0|w0+w3_h0|w0+w3_h0+h1 >> >+@end example >> >+ >> >+@item >> >+Display 16 inputs into 4x4 grid. >> >+ >> >+Below is the 16 inputs position: >> >+@example >> >+input1(0, 0) | input5(w0, 0) | input9 (w0+w4, 0) | >> > input13(w0+w4+w8, 0) >> >+input2(0, h0) | input6(w0, h0) | input10(w0+w4, h0) | >> > input14(w0+w4+w8, h0) >> >+input3(0, h0+h1) | input7(w0, h0+h1) | input11(w0+w4, h0+h1) | >> > input15(w0+w4+w8, h0+h1) >> >+input4(0, h0+h1+h2)| input8(w0, h0+h1+h2)| input12(w0+w4, h0+h1+h2)| >> > input16(w0+w4+w8, h0+h1+h2) >> >+@end example >> >+ >> >+Note that if the input size is different, there may be unused gaps or >> >+overlaps. For example, if the height of input5 is greater than input1, >> >+input6 will overlaid the top of input5, if the width of input6 is less >> >+than input5, then input6 will have unused gaps. >> >+ >> >+@example >> >+xstack=inputs=16:layout=0_0|0_h0|0_h0+h1|0_h0+h1+h2|w0_0|w0_h0|w0_h0+h1|w0_h0+h1+h2|w0+w4_0| >> >+w0+w4_h0|w0+w4_h0+h1|w0+w4_h0+h1+h2|w0+w4+w8_0|w0+w4+w8_h0|w0+w4+w8_h0+h1|w0+w4+w8_h0+h1+h2 >> >+@end example >> >+ >> > @end itemize >> > @anchor{yadif} >> >> Pushed with minor changes as af007e36d1590d431282fd760175d92f631dc48f > > Gyan, thanks, I think the current layout is difficult to understand for > user, how do you think if > I will change implementaion of the layout with the following setting? > 1x2, 2x1, 2x2, 3x3, 4x4, 5x5 ... Please do not. If you want dumb filters use something else. > >> >> Thanks, >> Gyan >> _______________________________________________ >> ffmpeg-devel mailing list >> ffmpeg-devel@ffmpeg.org >> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel >> >> To unsubscribe, visit link above, or email >> ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe". > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
diff --git a/doc/filters.texi b/doc/filters.texi index e6f8bf0..581a96b 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -19060,6 +19060,13 @@ terminates. Default value is 0. @itemize @item Display 4 inputs into 2x2 grid. + +Below is the 4 inputs position: +@example +input1(0, 0) | input3(w0, 0) +input2(0, h0) | input4(w0, h0) +@end example + Note that if inputs are of different sizes unused gaps might appear, as not all of output video is used. @example @@ -19068,6 +19075,15 @@ xstack=inputs=4:layout=0_0|0_h0|w0_0|w0_h0 @item Display 4 inputs into 1x4 grid. + +Below is the 4 inputs position: +@example +input1(0, 0) +input2(0, h0) +input3(0, h0+h1) +input4(0, h0+h1+h2) +@end example + Note that if inputs are of different sizes unused gaps might appear, as not all of output video is used. @example @@ -19076,11 +19092,44 @@ xstack=inputs=4:layout=0_0|0_h0|0_h0+h1|0_h0+h1+h2 @item Display 9 inputs into 3x3 grid. -Note that if inputs are of different sizes unused gaps might appear, -as not all of output video is used. + +Below is the 9 inputs position: @example -xstack=inputs=9:layout=w3_0|w3_h0+h2|w3_h0|0_h4|0_0|w3+w1_0|0_h1+h2|w3+w1_h0|w3+w1_h1+h2 +input1(0, 0) | input4(w0, 0) | input7(w0+w3, 0) +input2(0, h0) | input5(w0, h0) | input8(w0+w3, h0) +input3(0, h0+h1) | input6(w0, h0+h1) | input9(w0+w3, h0+h1) @end example + +Note that if the input size is different, there may be unused gaps or +overlaps. For example, if the height of input4 is greater than input1, +input5 will overlaid the top of input4, if the width of input5 is less +than input4, then input5 will have unused gaps. + +@example +xstack=inputs=9:layout=0_0|0_h0|0_h0+h1|w0_0|w0_h0|w0_h0+h1|w0+w3_0|w0+w3_h0|w0+w3_h0+h1 +@end example + +@item +Display 16 inputs into 4x4 grid. + +Below is the 16 inputs position: +@example +input1(0, 0) | input5(w0, 0) | input9 (w0+w4, 0) | input13(w0+w4+w8, 0) +input2(0, h0) | input6(w0, h0) | input10(w0+w4, h0) | input14(w0+w4+w8, h0) +input3(0, h0+h1) | input7(w0, h0+h1) | input11(w0+w4, h0+h1) | input15(w0+w4+w8, h0+h1) +input4(0, h0+h1+h2)| input8(w0, h0+h1+h2)| input12(w0+w4, h0+h1+h2)| input16(w0+w4+w8, h0+h1+h2) +@end example + +Note that if the input size is different, there may be unused gaps or +overlaps. For example, if the height of input5 is greater than input1, +input6 will overlaid the top of input5, if the width of input6 is less +than input5, then input6 will have unused gaps. + +@example +xstack=inputs=16:layout=0_0|0_h0|0_h0+h1|0_h0+h1+h2|w0_0|w0_h0|w0_h0+h1|w0_h0+h1+h2|w0+w4_0| +w0+w4_h0|w0+w4_h0+h1|w0+w4_h0+h1+h2|w0+w4+w8_0|w0+w4+w8_h0|w0+w4+w8_h0+h1|w0+w4+w8_h0+h1+h2 +@end example + @end itemize @anchor{yadif}