Signed-off-by: Andreas Rheinhardt <[email protected]>
---
libavcodec/ffv1enc.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/libavcodec/ffv1enc.c b/libavcodec/ffv1enc.c
index 796d81f7c6..1bf9663053 100644
--- a/libavcodec/ffv1enc.c
+++ b/libavcodec/ffv1enc.c
@@ -428,9 +428,13 @@ static int write_extradata(FFV1Context *f)
write_quant_tables(c, f->quant_tables[i]);
for (i = 0; i < f->quant_table_count; i++) {
- for (j = 0; j < f->context_count[i] * CONTEXT_SIZE; j++)
- if (f->initial_states[i] && f->initial_states[i][0][j] != 128)
- break;
+ if (f->initial_states[i]) {
+ for (j = 0; j < f->context_count[i] * CONTEXT_SIZE; j++)
+ if (f->initial_states[i][0][j] != 128)
+ break;
+ } else {
+ j = f->context_count[i] * CONTEXT_SIZE;
+ }
if (j < f->context_count[i] * CONTEXT_SIZE) {
put_rac(c, state, 1);
for (j = 0; j < f->context_count[i]; j++)
--
2.20.1
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