avcodec/hevc: check slice_header_extension data length

[ffmpeg] / libavcodec / mpeg4videoenc.c

diff --git a/libavcodec/mpeg4videoenc.c b/libavcodec/mpeg4videoenc.c
index 8b2774da69635c5a13944f8335223860d2629982..f93811947658eb1966abffb44df45743206a7570 100644 (file)
--- a/libavcodec/mpeg4videoenc.c
+++ b/libavcodec/mpeg4videoenc.c
@@ -110,11 +110,11 @@ static inline void restore_ac_coeffs(MpegEncContext *s, int16_t block[6][64],
         if (dir[n]) {
             /* top prediction */
             for (i = 1; i < 8; i++)
-                block[n][s->dsp.idct_permutation[i]] = ac_val[i + 8];
+                block[n][s->idsp.idct_permutation[i]] = ac_val[i + 8];
         } else {
             /* left prediction */
             for (i = 1; i < 8; i++)
-                block[n][s->dsp.idct_permutation[i << 3]] = ac_val[i];
+                block[n][s->idsp.idct_permutation[i << 3]] = ac_val[i];
         }
     }
 }
@@ -152,17 +152,17 @@ static inline int decide_ac_pred(MpegEncContext *s, int16_t block[6][64],
             if (s->mb_y == 0 || s->qscale == qscale_table[xy] || n == 2 || n == 3) {
                 /* same qscale */
                 for (i = 1; i < 8; i++) {
-                    const int level = block[n][s->dsp.idct_permutation[i]];
-                    block[n][s->dsp.idct_permutation[i]] = level - ac_val[i + 8];
-                    ac_val1[i]     = block[n][s->dsp.idct_permutation[i << 3]];
+                    const int level = block[n][s->idsp.idct_permutation[i]];
+                    block[n][s->idsp.idct_permutation[i]] = level - ac_val[i + 8];
+                    ac_val1[i]     = block[n][s->idsp.idct_permutation[i << 3]];
                     ac_val1[i + 8] = level;
                 }
             } else {
                 /* different qscale, we must rescale */
                 for (i = 1; i < 8; i++) {
-                    const int level = block[n][s->dsp.idct_permutation[i]];
-                    block[n][s->dsp.idct_permutation[i]] = level - ROUNDED_DIV(ac_val[i + 8] * qscale_table[xy], s->qscale);
-                    ac_val1[i]     = block[n][s->dsp.idct_permutation[i << 3]];
+                    const int level = block[n][s->idsp.idct_permutation[i]];
+                    block[n][s->idsp.idct_permutation[i]] = level - ROUNDED_DIV(ac_val[i + 8] * qscale_table[xy], s->qscale);
+                    ac_val1[i]     = block[n][s->idsp.idct_permutation[i << 3]];
                     ac_val1[i + 8] = level;
                 }
             }
@@ -174,18 +174,18 @@ static inline int decide_ac_pred(MpegEncContext *s, int16_t block[6][64],
             if (s->mb_x == 0 || s->qscale == qscale_table[xy] || n == 1 || n == 3) {
                 /* same qscale */
                 for (i = 1; i < 8; i++) {
-                    const int level = block[n][s->dsp.idct_permutation[i << 3]];
-                    block[n][s->dsp.idct_permutation[i << 3]] = level - ac_val[i];
+                    const int level = block[n][s->idsp.idct_permutation[i << 3]];
+                    block[n][s->idsp.idct_permutation[i << 3]] = level - ac_val[i];
                     ac_val1[i]     = level;
-                    ac_val1[i + 8] = block[n][s->dsp.idct_permutation[i]];
+                    ac_val1[i + 8] = block[n][s->idsp.idct_permutation[i]];
                 }
             } else {
                 /* different qscale, we must rescale */
                 for (i = 1; i < 8; i++) {
-                    const int level = block[n][s->dsp.idct_permutation[i << 3]];
-                    block[n][s->dsp.idct_permutation[i << 3]] = level - ROUNDED_DIV(ac_val[i] * qscale_table[xy], s->qscale);
+                    const int level = block[n][s->idsp.idct_permutation[i << 3]];
+                    block[n][s->idsp.idct_permutation[i << 3]] = level - ROUNDED_DIV(ac_val[i] * qscale_table[xy], s->qscale);
                     ac_val1[i]     = level;
-                    ac_val1[i + 8] = block[n][s->dsp.idct_permutation[i]];
+                    ac_val1[i + 8] = block[n][s->idsp.idct_permutation[i]];
                 }
             }
             st[n] = s->intra_v_scantable.permutated;