mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
2.3 KiB
76 lines
2.3 KiB
/* |
|
* 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 <string.h> |
|
|
|
#include "avstring.h" |
|
#include "frame.h" |
|
#include "macros.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++) { |
|
if (av_strstart(name, stereo3d_type_names[i], NULL)) |
|
return i; |
|
} |
|
|
|
return -1; |
|
}
|
|
|