@@ -327,13 +327,6 @@ static int config_output(AVFilterLink *outlink)

     case ABOVE_BELOW_LR:

     case ABOVE_BELOW_2_RL:

     case ABOVE_BELOW_RL:

-        if (s->out.format == INTERLEAVE_ROWS_LR ||

-            s->out.format == INTERLEAVE_ROWS_RL) {

-            if (inlink->h & 3) {

-                av_log(ctx, AV_LOG_ERROR, "height must be multiple of 4\n");

-                return AVERROR_INVALIDDATA;

-            }

-        }

         if (inlink->h & 1) {

             av_log(ctx, AV_LOG_ERROR, "height must be even\n");

             return AVERROR_INVALIDDATA;

@@ -391,9 +384,7 @@ static int config_output(AVFilterLink *outlink)

             s->in.off_lstep = 1;

         else

             s->in.off_rstep = 1;

-        if (s->out.format != INTERLEAVE_ROWS_LR &&

-            s->out.format != INTERLEAVE_ROWS_RL &&

-            s->out.format != CHECKERBOARD_LR &&

+        if (s->out.format != CHECKERBOARD_LR &&

             s->out.format != CHECKERBOARD_RL)

             s->height   = inlink->h / 2;

         break;

@@ -468,16 +459,16 @@ static int config_output(AVFilterLink *outlink)

         s->out.row_left  = s->height;

         break;

     case INTERLEAVE_ROWS_LR:

-        s->in.row_step   = 2;

+        s->in.row_step   = 1 + (s->in.format == INTERLEAVE_ROWS_RL);

         s->out.row_step  = 2;

-        s->height        = s->height / 2;

+        s->out.height    = s->height * 2;

         s->out.off_rstep = 1;

         s->in.off_rstep  = s->in.format != INTERLEAVE_ROWS_RL;

         break;

     case INTERLEAVE_ROWS_RL:

-        s->in.row_step   = 2;

+        s->in.row_step   = 1 + (s->in.format == INTERLEAVE_ROWS_LR);

         s->out.row_step  = 2;

-        s->height        = s->height / 2;

+        s->out.height    = s->height * 2;

         s->out.off_lstep = 1;

         s->in.off_lstep  = s->in.format != INTERLEAVE_ROWS_LR;

         break;