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 <[email protected]> --- 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 _______________________________________________ ffmpeg-devel mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
