[FFmpeg-cvslog] cbs_av1: Fill tile width/height values when uniform_tile_spacing_flag is set

[Mark Thompson]

ffmpeg | branch: master | Mark Thompson <sw at jkqxz.net> | Mon Aug 31 22:00:57 2020 +0100| [2a19232c1996fee52a3f4201fa379001627dcc89] | committer: Mark Thompson

cbs_av1: Fill tile width/height values when uniform_tile_spacing_flag is set

They are not explicitly in the bitstream in this case, but it is helpful
to be able to use these values without always needing to check the flag
beforehand.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2a19232c1996fee52a3f4201fa379001627dcc89
---

 libavcodec/cbs_av1_syntax_template.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/libavcodec/cbs_av1_syntax_template.c b/libavcodec/cbs_av1_syntax_template.c
index 19b82bc3f8..2d2e240e3e 100644
--- a/libavcodec/cbs_av1_syntax_template.c
+++ b/libavcodec/cbs_av1_syntax_template.c
@@ -636,6 +636,15 @@ static int FUNC(tile_info)(CodedBitstreamContext *ctx, RWContext *rw,
             current->tile_rows_log2;
         current->tile_rows = (sb_rows + tile_height_sb - 1) / tile_height_sb;
 
+        for (i = 0; i < current->tile_cols - 1; i++)
+            infer(width_in_sbs_minus_1[i], tile_width_sb - 1);
+        infer(width_in_sbs_minus_1[i],
+              sb_cols - (current->tile_cols - 1) * tile_width_sb - 1);
+        for (i = 0; i < current->tile_rows - 1; i++)
+            infer(height_in_sbs_minus_1[i], tile_height_sb - 1);
+        infer(height_in_sbs_minus_1[i],
+              sb_rows - (current->tile_rows - 1) * tile_height_sb - 1);
+
     } else {
         int widest_tile_sb, start_sb, size_sb, max_width, max_height;