The VP8 compressed header may not be byte-aligned due to boolean
coding. Round up byte count for accurate data positioning.
Signed-off-by: Jianhui Dai <jianhui.j....@intel.com>
---
libavcodec/cbs_vp8.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libavcodec/cbs_vp8.c b/libavcodec/cbs_vp8.c
index 1f7e81cfe6..bb441b7187 100644
--- a/libavcodec/cbs_vp8.c
+++ b/libavcodec/cbs_vp8.c
@@ -328,7 +328,9 @@ static int cbs_vp8_read_unit(CodedBitstreamContext *ctx,
return err;
pos = get_bits_count(&gbc);
- pos /= 8;
+ // Position may not be byte-aligned after compressed header; Round up byte
+ // count for accurate data positioning.
+ pos = (pos + 7) / 8;
av_assert0(pos <= unit->data_size);
frame->data_ref = av_buffer_ref(unit->data_ref);
--
2.34.1
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