[FFmpeg-devel] [PATCH 6/7] proresdec2: remove a useless DC codebook entry

[Christophe Gisquet]

---
 libavcodec/proresdec2.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libavcodec/proresdec2.c b/libavcodec/proresdec2.c
index 02e1d82d00..b20021c622 100644
--- a/libavcodec/proresdec2.c
+++ b/libavcodec/proresdec2.c
@@ -534,9 +534,9 @@ static int decode_picture_header(AVCodecContext *avctx, const uint8_t *buf, cons
 
 #define FIRST_DC_CB 0xB8
 
-static const char dc_codebook[7][4] = {
+static const char dc_codebook[6][4] = {
     { 0, 0, 1, -1 }, { 0, 1, 2, -2 }, { 0, 1, 2, -2 },
-    { 1, 2, 2,  0 }, { 1, 2, 2,  0 }, { 0, 3, 4, -8 }, { 0, 3, 4, -8 }
+    { 1, 2, 2,  0 }, { 1, 2, 2,  0 }, { 0, 3, 4, -8 }
 };
 
 static av_always_inline int decode_dc_coeffs(GetBitContext *gb, int16_t *out,
@@ -553,7 +553,7 @@ static av_always_inline int decode_dc_coeffs(GetBitContext *gb, int16_t *out,
     code = 5;
     sign = 0;
     for (i = 1; i < blocks_per_slice; i++, out += 64) {
-        unsigned int dccb = FFMIN(code, 6U);
+        unsigned int dccb = FFMIN(code, 5U);
         DECODE_CODEWORD2(code, dc_codebook[dccb][0], dc_codebook[dccb][1],
                                dc_codebook[dccb][2], dc_codebook[dccb][3]);
         if(code) sign ^= -(code & 1);
-- 
2.42.0