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75 lines
2.3 KiB
75 lines
2.3 KiB
/* |
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* Copyright (c) 2013 Vittorio Giovara <vittorio.giovara@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 <string.h> |
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#include "avstring.h" |
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#include "common.h" |
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#include "mem.h" |
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#include "stereo3d.h" |
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AVStereo3D *av_stereo3d_alloc(void) |
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{ |
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return av_mallocz(sizeof(AVStereo3D)); |
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} |
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AVStereo3D *av_stereo3d_create_side_data(AVFrame *frame) |
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{ |
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AVFrameSideData *side_data = av_frame_new_side_data(frame, |
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AV_FRAME_DATA_STEREO3D, |
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sizeof(AVStereo3D)); |
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if (!side_data) |
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return NULL; |
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memset(side_data->data, 0, sizeof(AVStereo3D)); |
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return (AVStereo3D *)side_data->data; |
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} |
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static const char * const stereo3d_type_names[] = { |
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[AV_STEREO3D_2D] = "2D", |
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[AV_STEREO3D_SIDEBYSIDE] = "side by side", |
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[AV_STEREO3D_TOPBOTTOM] = "top and bottom", |
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[AV_STEREO3D_FRAMESEQUENCE] = "frame alternate", |
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[AV_STEREO3D_CHECKERBOARD] = "checkerboard", |
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[AV_STEREO3D_SIDEBYSIDE_QUINCUNX] = "side by side (quincunx subsampling)", |
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[AV_STEREO3D_LINES] = "interleaved lines", |
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[AV_STEREO3D_COLUMNS] = "interleaved columns", |
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}; |
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const char *av_stereo3d_type_name(unsigned int type) |
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{ |
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if (type >= FF_ARRAY_ELEMS(stereo3d_type_names)) |
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return "unknown"; |
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return stereo3d_type_names[type]; |
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} |
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int av_stereo3d_from_name(const char *name) |
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{ |
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int i; |
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for (i = 0; i < FF_ARRAY_ELEMS(stereo3d_type_names); i++) { |
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if (av_strstart(name, stereo3d_type_names[i], NULL)) |
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return i; |
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} |
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return -1; |
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}
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