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avcodec/vp6: Forward error codes

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-04-17 20:26:01 +02:00
parent be7495c32c
commit a2acb46a6e
1 changed files with 19 additions and 14 deletions
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33
libavcodec/vp6.c
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@ -298,6 +298,7 @@ static int vp6_parse_coeff_models(VP56Context *s)
int node, cg, ctx, pos;
int ct; /* code type */
int pt; /* plane type (0 for Y, 1 for U or V) */
int ret;
memset(def_prob, 0x80, sizeof(def_prob));
@ -335,21 +336,25 @@ static int vp6_parse_coeff_models(VP56Context *s)
if (s->use_huffman) {
for (pt=0; pt<2; pt++) {
if (vp6_build_huff_tree(s, model->coeff_dccv[pt],
vp6_huff_coeff_map, 12, AC_DC_HUFF_BITS,
&s->dccv_vlc[pt]))
return -1;
if (vp6_build_huff_tree(s, model->coeff_runv[pt],
vp6_huff_run_map, 9, RUN_HUFF_BITS,
&s->runv_vlc[pt]))
return -1;
ret = vp6_build_huff_tree(s, model->coeff_dccv[pt],
vp6_huff_coeff_map, 12, AC_DC_HUFF_BITS,
&s->dccv_vlc[pt]);
if (ret < 0)
return ret;
ret = vp6_build_huff_tree(s, model->coeff_runv[pt],
vp6_huff_run_map, 9, RUN_HUFF_BITS,
&s->runv_vlc[pt]);
if (ret < 0)
return ret;
for (ct=0; ct<3; ct++)
for (int cg = 0; cg < 4; cg++)
if (vp6_build_huff_tree(s, model->coeff_ract[pt][ct][cg],
vp6_huff_coeff_map, 12,
AC_DC_HUFF_BITS,
&s->ract_vlc[pt][ct][cg]))
return -1;
for (int cg = 0; cg < 4; cg++) {
ret = vp6_build_huff_tree(s, model->coeff_ract[pt][ct][cg],
vp6_huff_coeff_map, 12,
AC_DC_HUFF_BITS,
&s->ract_vlc[pt][ct][cg]);
if (ret < 0)
return ret;
}
}
memset(s->nb_null, 0, sizeof(s->nb_null));
} else {