FFmpeg
libavutil
downmix_info.c
Go to the documentation of this file.
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/*
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* Copyright (c) 2014 Tim Walker <tdskywalker@gmail.com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "
downmix_info.h
"
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#include "
frame.h
"
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AVDownmixInfo
*
av_downmix_info_update_side_data
(
AVFrame
*
frame
)
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{
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AVFrameSideData
*side_data;
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side_data =
av_frame_get_side_data
(
frame
,
AV_FRAME_DATA_DOWNMIX_INFO
);
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if
(!side_data)
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side_data =
av_frame_new_side_data
(
frame
,
AV_FRAME_DATA_DOWNMIX_INFO
,
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sizeof
(
AVDownmixInfo
));
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if
(!side_data)
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return
NULL
;
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return
(
AVDownmixInfo
*)side_data->
data
;
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}
av_frame_get_side_data
AVFrameSideData * av_frame_get_side_data(const AVFrame *frame, enum AVFrameSideDataType type)
Definition:
frame.c:824
av_frame_new_side_data
AVFrameSideData * av_frame_new_side_data(AVFrame *frame, enum AVFrameSideDataType type, size_t size)
Add a new side data to a frame.
Definition:
frame.c:812
AVFrame
This structure describes decoded (raw) audio or video data.
Definition:
frame.h:340
AVDownmixInfo
This structure describes optional metadata relevant to a downmix procedure.
Definition:
downmix_info.h:58
frame
static AVFrame * frame
Definition:
demux_decode.c:54
NULL
#define NULL
Definition:
coverity.c:32
AVFrameSideData::data
uint8_t * data
Definition:
frame.h:248
frame.h
downmix_info.h
av_downmix_info_update_side_data
AVDownmixInfo * av_downmix_info_update_side_data(AVFrame *frame)
Get a frame's AV_FRAME_DATA_DOWNMIX_INFO side data for editing.
Definition:
downmix_info.c:24
AVFrameSideData
Structure to hold side data for an AVFrame.
Definition:
frame.h:246
AV_FRAME_DATA_DOWNMIX_INFO
@ AV_FRAME_DATA_DOWNMIX_INFO
Metadata relevant to a downmix procedure.
Definition:
frame.h:73
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