76 lines
2.4 KiB
C
Executable file
76 lines
2.4 KiB
C
Executable file
/*
|
|
* Copyright (c) 2013 Vittorio Giovara <vittorio.giovara@gmail.com>
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg 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.
|
|
*
|
|
* FFmpeg 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 FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
|
|
#include "common.h"
|
|
#include "mem.h"
|
|
#include "stereo3d.h"
|
|
|
|
AVStereo3D *av_stereo3d_alloc(void)
|
|
{
|
|
return av_mallocz(sizeof(AVStereo3D));
|
|
}
|
|
|
|
AVStereo3D *av_stereo3d_create_side_data(AVFrame *frame)
|
|
{
|
|
AVFrameSideData *side_data = av_frame_new_side_data(frame,
|
|
AV_FRAME_DATA_STEREO3D,
|
|
sizeof(AVStereo3D));
|
|
if (!side_data)
|
|
return NULL;
|
|
|
|
memset(side_data->data, 0, sizeof(AVStereo3D));
|
|
|
|
return (AVStereo3D *)side_data->data;
|
|
}
|
|
|
|
static const char * const stereo3d_type_names[] = {
|
|
[AV_STEREO3D_2D] = "2D",
|
|
[AV_STEREO3D_SIDEBYSIDE] = "side by side",
|
|
[AV_STEREO3D_TOPBOTTOM] = "top and bottom",
|
|
[AV_STEREO3D_FRAMESEQUENCE] = "frame alternate",
|
|
[AV_STEREO3D_CHECKERBOARD] = "checkerboard",
|
|
[AV_STEREO3D_SIDEBYSIDE_QUINCUNX] = "side by side (quincunx subsampling)",
|
|
[AV_STEREO3D_LINES] = "interleaved lines",
|
|
[AV_STEREO3D_COLUMNS] = "interleaved columns",
|
|
};
|
|
|
|
const char *av_stereo3d_type_name(unsigned int type)
|
|
{
|
|
if (type >= FF_ARRAY_ELEMS(stereo3d_type_names))
|
|
return "unknown";
|
|
|
|
return stereo3d_type_names[type];
|
|
}
|
|
|
|
int av_stereo3d_from_name(const char *name)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(stereo3d_type_names); i++) {
|
|
size_t len = strlen(stereo3d_type_names[i]);
|
|
if (!strncmp(stereo3d_type_names[i], name, len))
|
|
return i;
|
|
}
|
|
|
|
return -1;
|
|
}
|