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stereo3d.c
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1 /*
2  * Copyright (c) 2013 Vittorio Giovara <vittorio.giovara@gmail.com>
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include <stdint.h>
22 #include <string.h>
23 
24 #include "mem.h"
25 #include "stereo3d.h"
26 
28 {
29  return av_mallocz(sizeof(AVStereo3D));
30 }
31 
33 {
34  AVFrameSideData *side_data = av_frame_new_side_data(frame,
36  sizeof(AVStereo3D));
37  if (!side_data)
38  return NULL;
39 
40  memset(side_data->data, 0, sizeof(AVStereo3D));
41 
42  return (AVStereo3D *)side_data->data;
43 }
#define NULL
Definition: coverity.c:32
This structure describes decoded (raw) audio or video data.
Definition: frame.h:171
memory handling functions
Stereo 3D type: this structure describes how two videos are packed within a single video surface...
Definition: stereo3d.h:123
static AVFrame * frame
Structure to hold side data for an AVFrame.
Definition: frame.h:134
uint8_t * data
Definition: frame.h:136
AVFrameSideData * av_frame_new_side_data(AVFrame *frame, enum AVFrameSideDataType type, int size)
Add a new side data to a frame.
Definition: frame.c:584
AVStereo3D * av_stereo3d_create_side_data(AVFrame *frame)
Allocate a complete AVFrameSideData and add it to the frame.
Definition: stereo3d.c:32
AVStereo3D * av_stereo3d_alloc(void)
Allocate an AVStereo3D structure and set its fields to default values.
Definition: stereo3d.c:27
Stereoscopic 3d metadata.
Definition: frame.h:63
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
Definition: mem.c:250