[FFmpeg-cvslog] avcodec/h261dec: Don't initialize unused VLCs

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at gmail.com> | Tue Dec  8 22:51:25 2020 +0100| [b9071a70fc27ec3f774a0e3babf0534c50369e14] | committer: Andreas Rheinhardt

avcodec/h261dec: Don't initialize unused VLCs

The H.261 decoder uses only the very first VLC of ff_h261_rl_tcoeff,
so only initialize this one. Saves 68448B from the .bss segment; in case
the decoder is actually used, this amount of memory is saved.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b9071a70fc27ec3f774a0e3babf0534c50369e14
---

 libavcodec/h261dec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/h261dec.c b/libavcodec/h261dec.c
index c6440ba902..2dc2fb30f2 100644
--- a/libavcodec/h261dec.c
+++ b/libavcodec/h261dec.c
@@ -65,7 +65,7 @@ static av_cold void h261_decode_init_vlc(H261Context *h)
         INIT_VLC_STATIC(&h261_cbp_vlc, H261_CBP_VLC_BITS, 63,
                         &ff_h261_cbp_tab[0][1], 2, 1,
                         &ff_h261_cbp_tab[0][0], 2, 1, 512);
-        INIT_VLC_RL(ff_h261_rl_tcoeff, 552);
+        INIT_FIRST_VLC_RL(ff_h261_rl_tcoeff, 552);
     }
 }