2 * Copyright (c) 2013 Vittorio Giovara <vittorio.giovara@gmail.com>
4 * This file is part of FFmpeg.
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.
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.
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
28 AVStereo3D *av_stereo3d_alloc(void)
30 return av_mallocz(sizeof(AVStereo3D));
33 AVStereo3D *av_stereo3d_create_side_data(AVFrame *frame)
35 AVFrameSideData *side_data = av_frame_new_side_data(frame,
36 AV_FRAME_DATA_STEREO3D,
41 memset(side_data->data, 0, sizeof(AVStereo3D));
43 return (AVStereo3D *)side_data->data;
46 static const char *stereo3d_type_names[] = {
47 [AV_STEREO3D_2D] = "2D",
48 [AV_STEREO3D_SIDEBYSIDE] = "side by side",
49 [AV_STEREO3D_TOPBOTTOM] = "top and bottom",
50 [AV_STEREO3D_FRAMESEQUENCE] = "frame alternate",
51 [AV_STEREO3D_CHECKERBOARD] = "checkerboard",
52 [AV_STEREO3D_SIDEBYSIDE_QUINCUNX] = "side by side (quincunx subsampling)",
53 [AV_STEREO3D_LINES] = "interleaved lines",
54 [AV_STEREO3D_COLUMNS] = "interleaved columns",
57 const char *av_stereo3d_type_name(unsigned int type)
59 if (type >= FF_ARRAY_ELEMS(stereo3d_type_names))
62 return stereo3d_type_names[type];
65 int av_stereo3d_from_name(const char *name)
69 for (i = 0; i < FF_ARRAY_ELEMS(stereo3d_type_names); i++) {
70 size_t len = strlen(stereo3d_type_names[i]);
71 if (!strncmp(stereo3d_type_names[i], name, len))