avcodec/mpegvideo_enc: Remove dead block

None of the mpegvideo encoders support anything but coded frames;
and if this were to change, it is unclear whether they would need
the adjustment here. So remove it.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

1 files changed, 0 insertions, 13 deletions

diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index b07e111491..daf8b4992c 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -1725,19 +1725,6 @@ static int frame_start(MpegEncContext *s)
             return ret;
     }
 
-    if (s->picture_structure!= PICT_FRAME) {
-        int i;
-        for (i = 0; i < 4; i++) {
-            if (s->picture_structure == PICT_BOTTOM_FIELD) {
-                s->current_picture.f->data[i] +=
-                    s->current_picture.f->linesize[i];
-            }
-            s->current_picture.f->linesize[i] *= 2;
-            s->last_picture.f->linesize[i]    *= 2;
-            s->next_picture.f->linesize[i]    *= 2;
-        }
-    }
-
     if (s->dct_error_sum) {
         av_assert2(s->noise_reduction && s->encoding);
         update_noise_reduction(s);