diff options
Diffstat (limited to 'libavutil/downmix_info.c')
-rw-r--r-- | libavutil/downmix_info.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/libavutil/downmix_info.c b/libavutil/downmix_info.c new file mode 100644 index 0000000..51505c8 --- /dev/null +++ b/libavutil/downmix_info.c @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2014 Tim Walker <tdskywalker@gmail.com> + * + * This file is part of Libav. + * + * Libav is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * Libav is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "downmix_info.h" +#include "frame.h" + +AVDownmixInfo *av_downmix_info_update_side_data(AVFrame *frame) +{ + AVFrameSideData *side_data; + + side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_DOWNMIX_INFO); + + if (!side_data) + side_data = av_frame_new_side_data(frame, AV_FRAME_DATA_DOWNMIX_INFO, + sizeof(AVDownmixInfo)); + + if (!side_data) + return NULL; + + return (AVDownmixInfo*)side_data->data; +} |