| Line | Branch | Exec | Source |
|---|---|---|---|
| 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 <string.h> | ||
| 22 | |||
| 23 | #include "avstring.h" | ||
| 24 | #include "frame.h" | ||
| 25 | #include "macros.h" | ||
| 26 | #include "mem.h" | ||
| 27 | #include "stereo3d.h" | ||
| 28 | |||
| 29 | 338 | static void get_defaults(AVStereo3D *stereo) | |
| 30 | { | ||
| 31 | 338 | stereo->horizontal_disparity_adjustment = (AVRational) { 0, 1 }; | |
| 32 | 338 | stereo->horizontal_field_of_view = (AVRational) { 0, 1 }; | |
| 33 | 338 | } | |
| 34 | |||
| 35 | ✗ | AVStereo3D *av_stereo3d_alloc(void) | |
| 36 | { | ||
| 37 | ✗ | return av_stereo3d_alloc_size(NULL); | |
| 38 | } | ||
| 39 | |||
| 40 | 240 | AVStereo3D *av_stereo3d_alloc_size(size_t *size) | |
| 41 | { | ||
| 42 | 240 | AVStereo3D *stereo = av_mallocz(sizeof(AVStereo3D)); | |
| 43 |
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240 | if (!stereo) |
| 44 | ✗ | return NULL; | |
| 45 | |||
| 46 | 240 | get_defaults(stereo); | |
| 47 | |||
| 48 |
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240 | if (size) |
| 49 | 240 | *size = sizeof(*stereo); | |
| 50 | |||
| 51 | 240 | return stereo; | |
| 52 | } | ||
| 53 | |||
| 54 | 98 | AVStereo3D *av_stereo3d_create_side_data(AVFrame *frame) | |
| 55 | { | ||
| 56 | 98 | AVFrameSideData *side_data = av_frame_new_side_data(frame, | |
| 57 | AV_FRAME_DATA_STEREO3D, | ||
| 58 | sizeof(AVStereo3D)); | ||
| 59 |
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98 | if (!side_data) |
| 60 | ✗ | return NULL; | |
| 61 | |||
| 62 | 98 | memset(side_data->data, 0, sizeof(AVStereo3D)); | |
| 63 | 98 | get_defaults((AVStereo3D *)side_data->data); | |
| 64 | |||
| 65 | 98 | return (AVStereo3D *)side_data->data; | |
| 66 | } | ||
| 67 | |||
| 68 | static const char * const stereo3d_type_names[] = { | ||
| 69 | [AV_STEREO3D_2D] = "2D", | ||
| 70 | [AV_STEREO3D_SIDEBYSIDE] = "side by side", | ||
| 71 | [AV_STEREO3D_TOPBOTTOM] = "top and bottom", | ||
| 72 | [AV_STEREO3D_FRAMESEQUENCE] = "frame alternate", | ||
| 73 | [AV_STEREO3D_CHECKERBOARD] = "checkerboard", | ||
| 74 | [AV_STEREO3D_SIDEBYSIDE_QUINCUNX] = "side by side (quincunx subsampling)", | ||
| 75 | [AV_STEREO3D_LINES] = "interleaved lines", | ||
| 76 | [AV_STEREO3D_COLUMNS] = "interleaved columns", | ||
| 77 | [AV_STEREO3D_UNSPEC] = "unspecified", | ||
| 78 | }; | ||
| 79 | |||
| 80 | static const char * const stereo3d_view_names[] = { | ||
| 81 | [AV_STEREO3D_VIEW_PACKED] = "packed", | ||
| 82 | [AV_STEREO3D_VIEW_LEFT] = "left", | ||
| 83 | [AV_STEREO3D_VIEW_RIGHT] = "right", | ||
| 84 | [AV_STEREO3D_VIEW_UNSPEC] = "unspecified", | ||
| 85 | }; | ||
| 86 | |||
| 87 | static const char * const stereo3d_primary_eye_names[] = { | ||
| 88 | [AV_PRIMARY_EYE_NONE] = "none", | ||
| 89 | [AV_PRIMARY_EYE_LEFT] = "left", | ||
| 90 | [AV_PRIMARY_EYE_RIGHT] = "right", | ||
| 91 | }; | ||
| 92 | |||
| 93 | 485 | const char *av_stereo3d_type_name(unsigned int type) | |
| 94 | { | ||
| 95 |
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485 | if (type >= FF_ARRAY_ELEMS(stereo3d_type_names)) |
| 96 | ✗ | return "unknown"; | |
| 97 | |||
| 98 | 485 | return stereo3d_type_names[type]; | |
| 99 | } | ||
| 100 | |||
| 101 | ✗ | int av_stereo3d_from_name(const char *name) | |
| 102 | { | ||
| 103 | int i; | ||
| 104 | |||
| 105 | ✗ | for (i = 0; i < FF_ARRAY_ELEMS(stereo3d_type_names); i++) { | |
| 106 | ✗ | if (av_strstart(name, stereo3d_type_names[i], NULL)) | |
| 107 | ✗ | return i; | |
| 108 | } | ||
| 109 | |||
| 110 | ✗ | return -1; | |
| 111 | } | ||
| 112 | |||
| 113 | 485 | const char *av_stereo3d_view_name(unsigned int view) | |
| 114 | { | ||
| 115 |
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485 | if (view >= FF_ARRAY_ELEMS(stereo3d_view_names)) |
| 116 | ✗ | return "unknown"; | |
| 117 | |||
| 118 | 485 | return stereo3d_view_names[view]; | |
| 119 | } | ||
| 120 | |||
| 121 | ✗ | int av_stereo3d_view_from_name(const char *name) | |
| 122 | { | ||
| 123 | int i; | ||
| 124 | |||
| 125 | ✗ | for (i = 0; i < FF_ARRAY_ELEMS(stereo3d_view_names); i++) { | |
| 126 | ✗ | if (av_strstart(name, stereo3d_view_names[i], NULL)) | |
| 127 | ✗ | return i; | |
| 128 | } | ||
| 129 | |||
| 130 | ✗ | return -1; | |
| 131 | } | ||
| 132 | |||
| 133 | 485 | const char *av_stereo3d_primary_eye_name(unsigned int eye) | |
| 134 | { | ||
| 135 |
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485 | if (eye >= FF_ARRAY_ELEMS(stereo3d_primary_eye_names)) |
| 136 | ✗ | return "unknown"; | |
| 137 | |||
| 138 | 485 | return stereo3d_primary_eye_names[eye]; | |
| 139 | } | ||
| 140 | |||
| 141 | ✗ | int av_stereo3d_primary_eye_from_name(const char *name) | |
| 142 | { | ||
| 143 | int i; | ||
| 144 | |||
| 145 | ✗ | for (i = 0; i < FF_ARRAY_ELEMS(stereo3d_primary_eye_names); i++) { | |
| 146 | ✗ | if (av_strstart(name, stereo3d_primary_eye_names[i], NULL)) | |
| 147 | ✗ | return i; | |
| 148 | } | ||
| 149 | |||
| 150 | ✗ | return -1; | |
| 151 | } | ||
| 152 |