diff options
| -rw-r--r-- | libavcodec/vc2enc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/vc2enc.c b/libavcodec/vc2enc.c index 6d24552dc5..bbbeaa090e 100644 --- a/libavcodec/vc2enc.c +++ b/libavcodec/vc2enc.c @@ -777,7 +777,10 @@ static int encode_hq_slice(AVCodecContext *avctx, void *arg) uint8_t quants[MAX_DWT_LEVELS][4]; int p, level, orientation; + /* The reference decoder ignores it, and its typical length is 0 */ + memset(put_bits_ptr(pb), 0, s->prefix_bytes); skip_put_bytes(pb, s->prefix_bytes); + put_bits(pb, 8, quant_idx); /* Slice quantization (slice_quantizers() in the specs) */ @@ -809,6 +812,8 @@ static int encode_hq_slice(AVCodecContext *avctx, void *arg) } pb->buf[bytes_start] = pad_s; flush_put_bits(pb); + /* vc2-reference uses that padding that decodes to '0' coeffs */ + memset(put_bits_ptr(pb), 0xFF, pad_c); skip_put_bytes(pb, pad_c); } |