[FFmpeg-cvslog] avcodec/mpc7, mpc7data: Make overlong arrays smaller

Andreas Rheinhardt git at videolan.org
Tue Sep 15 23:31:23 EEST 2020


ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at gmail.com> | Tue Sep 15 03:45:22 2020 +0200| [bec4e158596bbb5af0eb2e9582cbc28961e6c068] | committer: Andreas Rheinhardt

avcodec/mpc7, mpc7data: Make overlong arrays smaller

For the VLC table arrays in mpc7_decode_init() this fixes
a regression introduced in 1e40dc920a838e35f1483b20bfcd417437e68741.

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=bec4e158596bbb5af0eb2e9582cbc28961e6c068
---

 libavcodec/mpc7.c     | 4 ++--
 libavcodec/mpc7data.h | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/libavcodec/mpc7.c b/libavcodec/mpc7.c
index 8518bc2f8a..3c9ef6a600 100644
--- a/libavcodec/mpc7.c
+++ b/libavcodec/mpc7.c
@@ -97,10 +97,10 @@ static av_cold int mpc7_decode_init(AVCodecContext * avctx)
                     &mpc7_scfi[0], 2, 1, 1 << MPC7_SCFI_BITS);
     INIT_VLC_STATIC(&dscf_vlc, MPC7_DSCF_BITS, MPC7_DSCF_SIZE,
                     &mpc7_dscf[1], 2, 1,
-                    &mpc7_dscf[0], 2, 1, 1 << MPC7_DSCF_SIZE);
+                    &mpc7_dscf[0], 2, 1, 1 << MPC7_DSCF_BITS);
     INIT_VLC_STATIC(&hdr_vlc, MPC7_HDR_BITS, MPC7_HDR_SIZE,
                     &mpc7_hdr[1], 2, 1,
-                    &mpc7_hdr[0], 2, 1, 1 << MPC7_HDR_SIZE);
+                    &mpc7_hdr[0], 2, 1, 1 << MPC7_HDR_BITS);
     for(i = 0; i < MPC7_QUANT_VLC_TABLES; i++){
         for(j = 0; j < 2; j++){
             quant_vlc[i][j].table = &quant_tables[quant_offsets[i*2 + j]];
diff --git a/libavcodec/mpc7data.h b/libavcodec/mpc7data.h
index 5609e8fbf3..90ab75fe65 100644
--- a/libavcodec/mpc7data.h
+++ b/libavcodec/mpc7data.h
@@ -51,7 +51,7 @@ static const uint8_t mpc7_hdr[MPC7_HDR_SIZE * 2] = {
 };
 
 #define MPC7_QUANT_VLC_TABLES 7
-static const uint8_t mpc7_quant_vlc_sizes[MPC7_QUANT_VLC_TABLES * 2] = {
+static const uint8_t mpc7_quant_vlc_sizes[MPC7_QUANT_VLC_TABLES] = {
     27, 25, 7, 9, 15, 31, 63
 };
 



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