diff options
| author | James Almer <jamrial@gmail.com> | 2018-04-27 19:08:42 -0300 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2018-04-30 20:30:01 -0300 |
| commit | 65d36473c930b2cefaab96da8e514cd200330c94 (patch) | |
| tree | d932fdb1c025e91db3e57eefcbf1506c85465317 /libavcodec | |
| parent | e3866ea20d55a17119cfcdeb630c70f0f93e1020 (diff) | |
| download | ffmpeg-65d36473c930b2cefaab96da8e514cd200330c94.tar.gz | |
avcodec/cbs_mpeg2: create a reference to the existing buffer when decomposing slice units
Reviewed-by: Mark Thompson <sw@jkqxz.net>
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/cbs_mpeg2.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/libavcodec/cbs_mpeg2.c b/libavcodec/cbs_mpeg2.c index 989daf0a4d..8ca47061fe 100644 --- a/libavcodec/cbs_mpeg2.c +++ b/libavcodec/cbs_mpeg2.c @@ -191,16 +191,11 @@ static int cbs_mpeg2_read_unit(CodedBitstreamContext *ctx, len = unit->data_size; slice->data_size = len - pos / 8; - slice->data_ref = av_buffer_alloc(slice->data_size + - AV_INPUT_BUFFER_PADDING_SIZE); + slice->data_ref = av_buffer_ref(unit->data_ref); if (!slice->data_ref) return AVERROR(ENOMEM); - slice->data = slice->data_ref->data; + slice->data = unit->data + pos / 8; - memcpy(slice->data, - unit->data + pos / 8, slice->data_size); - memset(slice->data + slice->data_size, 0, - AV_INPUT_BUFFER_PADDING_SIZE); slice->data_bit_start = pos % 8; } else { |