ffmpeg / libavcodec / imgconvert.c @ 80a07f6e
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| 1 | de6d9b64 | Fabrice Bellard | /*
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| 2 | f1ea5c2a | Diego Biurrun | * Misc image conversion routines
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| 3 | 406792e7 | Diego Biurrun | * Copyright (c) 2001, 2002, 2003 Fabrice Bellard
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| 4 | de6d9b64 | Fabrice Bellard | *
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| 5 | b78e7197 | Diego Biurrun | * This file is part of FFmpeg.
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| 6 | *
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| 7 | * FFmpeg is free software; you can redistribute it and/or
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| 8 | ff4ec49e | Fabrice Bellard | * modify it under the terms of the GNU Lesser General Public
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| 9 | * License as published by the Free Software Foundation; either
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| 10 | b78e7197 | Diego Biurrun | * version 2.1 of the License, or (at your option) any later version.
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| 11 | de6d9b64 | Fabrice Bellard | *
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| 12 | b78e7197 | Diego Biurrun | * FFmpeg is distributed in the hope that it will be useful,
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| 13 | de6d9b64 | Fabrice Bellard | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | ff4ec49e | Fabrice Bellard | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 15 | * Lesser General Public License for more details.
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| 16 | de6d9b64 | Fabrice Bellard | *
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| 17 | ff4ec49e | Fabrice Bellard | * You should have received a copy of the GNU Lesser General Public
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| 18 | b78e7197 | Diego Biurrun | * License along with FFmpeg; if not, write to the Free Software
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| 19 | 5509bffa | Diego Biurrun | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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| 20 | de6d9b64 | Fabrice Bellard | */
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| 21 | 983e3246 | Michael Niedermayer | |
| 22 | /**
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| 23 | bad5537e | Diego Biurrun | * @file libavcodec/imgconvert.c
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| 24 | f1ea5c2a | Diego Biurrun | * misc image conversion routines
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| 25 | 983e3246 | Michael Niedermayer | */
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| 26 | |||
| 27 | c50c0bc8 | Fabrice Bellard | /* TODO:
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| 28 | * - write 'ffimg' program to test all the image related stuff
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| 29 | * - move all api to slice based system
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| 30 | * - integrate deinterlacing, postprocessing and scaling in the conversion process
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| 31 | */
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| 32 | 983e3246 | Michael Niedermayer | |
| 33 | de6d9b64 | Fabrice Bellard | #include "avcodec.h" |
| 34 | 85c242d8 | Fabrice Bellard | #include "dsputil.h" |
| 35 | 04d2e45f | Ian Caulfield | #include "colorspace.h" |
| 36 | 8e861e1b | Stefano Sabatini | #include "libavutil/pixdesc.h" |
| 37 | de6d9b64 | Fabrice Bellard | |
| 38 | b250f9c6 | Aurelien Jacobs | #if HAVE_MMX
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| 39 | a6493a8f | Diego Biurrun | #include "x86/mmx.h" |
| 40 | #include "x86/dsputil_mmx.h" |
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| 41 | 5981f4e6 | Fred | #endif
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| 42 | 524c6b63 | Fabrice Bellard | |
| 43 | 7e7e5940 | Fabrice Bellard | #define xglue(x, y) x ## y |
| 44 | #define glue(x, y) xglue(x, y)
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| 45 | |||
| 46 | bb0f999b | Guillaume Poirier | #define FF_COLOR_RGB 0 /**< RGB color space */ |
| 47 | #define FF_COLOR_GRAY 1 /**< gray color space */ |
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| 48 | #define FF_COLOR_YUV 2 /**< YUV color space. 16 <= Y <= 235, 16 <= U, V <= 240 */ |
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| 49 | #define FF_COLOR_YUV_JPEG 3 /**< YUV color space. 0 <= Y <= 255, 0 <= U, V <= 255 */ |
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| 50 | b6147995 | Fabrice Bellard | |
| 51 | bb0f999b | Guillaume Poirier | #define FF_PIXEL_PLANAR 0 /**< each channel has one component in AVPicture */ |
| 52 | #define FF_PIXEL_PACKED 1 /**< only one components containing all the channels */ |
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| 53 | #define FF_PIXEL_PALETTE 2 /**< one components containing indexes for a palette */ |
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| 54 | 7e7e5940 | Fabrice Bellard | |
| 55 | 524c6b63 | Fabrice Bellard | typedef struct PixFmtInfo { |
| 56 | bb0f999b | Guillaume Poirier | uint8_t nb_channels; /**< number of channels (including alpha) */
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| 57 | uint8_t color_type; /**< color type (see FF_COLOR_xxx constants) */
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| 58 | uint8_t pixel_type; /**< pixel storage type (see FF_PIXEL_xxx constants) */
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| 59 | uint8_t is_alpha : 1; /**< true if alpha can be specified */ |
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| 60 | uint8_t depth; /**< bit depth of the color components */
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| 61 | 524c6b63 | Fabrice Bellard | } PixFmtInfo; |
| 62 | |||
| 63 | /* this table gives more information about formats */
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| 64 | 62a05b5b | Stefan Huehner | static const PixFmtInfo pix_fmt_info[PIX_FMT_NB] = { |
| 65 | 524c6b63 | Fabrice Bellard | /* YUV formats */
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| 66 | [PIX_FMT_YUV420P] = {
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| 67 | 7e7e5940 | Fabrice Bellard | .nb_channels = 3,
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| 68 | b6147995 | Fabrice Bellard | .color_type = FF_COLOR_YUV, |
| 69 | 7e7e5940 | Fabrice Bellard | .pixel_type = FF_PIXEL_PLANAR, |
| 70 | b6147995 | Fabrice Bellard | .depth = 8,
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| 71 | 524c6b63 | Fabrice Bellard | }, |
| 72 | [PIX_FMT_YUV422P] = {
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| 73 | 7e7e5940 | Fabrice Bellard | .nb_channels = 3,
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| 74 | b6147995 | Fabrice Bellard | .color_type = FF_COLOR_YUV, |
| 75 | 7e7e5940 | Fabrice Bellard | .pixel_type = FF_PIXEL_PLANAR, |
| 76 | b6147995 | Fabrice Bellard | .depth = 8,
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| 77 | 524c6b63 | Fabrice Bellard | }, |
| 78 | [PIX_FMT_YUV444P] = {
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| 79 | 7e7e5940 | Fabrice Bellard | .nb_channels = 3,
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| 80 | b6147995 | Fabrice Bellard | .color_type = FF_COLOR_YUV, |
| 81 | 7e7e5940 | Fabrice Bellard | .pixel_type = FF_PIXEL_PLANAR, |
| 82 | b6147995 | Fabrice Bellard | .depth = 8,
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| 83 | 524c6b63 | Fabrice Bellard | }, |
| 84 | 71e445fc | Diego Biurrun | [PIX_FMT_YUYV422] = {
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| 85 | 7e7e5940 | Fabrice Bellard | .nb_channels = 1,
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| 86 | b6147995 | Fabrice Bellard | .color_type = FF_COLOR_YUV, |
| 87 | 7e7e5940 | Fabrice Bellard | .pixel_type = FF_PIXEL_PACKED, |
| 88 | b6147995 | Fabrice Bellard | .depth = 8,
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| 89 | 524c6b63 | Fabrice Bellard | }, |
| 90 | ebb177dd | Todd Kirby | [PIX_FMT_UYVY422] = {
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| 91 | .nb_channels = 1,
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| 92 | .color_type = FF_COLOR_YUV, |
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| 93 | .pixel_type = FF_PIXEL_PACKED, |
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| 94 | .depth = 8,
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| 95 | }, |
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| 96 | 524c6b63 | Fabrice Bellard | [PIX_FMT_YUV410P] = {
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| 97 | 7e7e5940 | Fabrice Bellard | .nb_channels = 3,
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| 98 | b6147995 | Fabrice Bellard | .color_type = FF_COLOR_YUV, |
| 99 | 7e7e5940 | Fabrice Bellard | .pixel_type = FF_PIXEL_PLANAR, |
| 100 | b6147995 | Fabrice Bellard | .depth = 8,
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| 101 | 524c6b63 | Fabrice Bellard | }, |
| 102 | [PIX_FMT_YUV411P] = {
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| 103 | 7e7e5940 | Fabrice Bellard | .nb_channels = 3,
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| 104 | b6147995 | Fabrice Bellard | .color_type = FF_COLOR_YUV, |
| 105 | 7e7e5940 | Fabrice Bellard | .pixel_type = FF_PIXEL_PLANAR, |
| 106 | b6147995 | Fabrice Bellard | .depth = 8,
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| 107 | 524c6b63 | Fabrice Bellard | }, |
| 108 | 4196cfb7 | Andreas Öman | [PIX_FMT_YUV440P] = {
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| 109 | .nb_channels = 3,
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| 110 | .color_type = FF_COLOR_YUV, |
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| 111 | .pixel_type = FF_PIXEL_PLANAR, |
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| 112 | .depth = 8,
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| 113 | }, |
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| 114 | 35f6c154 | Lars Täuber | [PIX_FMT_YUV420P16LE] = {
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| 115 | 6c2a8608 | Michael Niedermayer | .nb_channels = 3,
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| 116 | .color_type = FF_COLOR_YUV, |
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| 117 | .pixel_type = FF_PIXEL_PLANAR, |
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| 118 | .depth = 16,
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| 119 | }, |
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| 120 | 35f6c154 | Lars Täuber | [PIX_FMT_YUV422P16LE] = {
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| 121 | 6c2a8608 | Michael Niedermayer | .nb_channels = 3,
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| 122 | .color_type = FF_COLOR_YUV, |
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| 123 | .pixel_type = FF_PIXEL_PLANAR, |
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| 124 | .depth = 16,
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| 125 | }, |
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| 126 | 35f6c154 | Lars Täuber | [PIX_FMT_YUV444P16LE] = {
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| 127 | 6c2a8608 | Michael Niedermayer | .nb_channels = 3,
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| 128 | .color_type = FF_COLOR_YUV, |
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| 129 | .pixel_type = FF_PIXEL_PLANAR, |
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| 130 | .depth = 16,
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| 131 | }, |
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| 132 | 35f6c154 | Lars Täuber | [PIX_FMT_YUV420P16BE] = {
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| 133 | 6c2a8608 | Michael Niedermayer | .nb_channels = 3,
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| 134 | .color_type = FF_COLOR_YUV, |
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| 135 | .pixel_type = FF_PIXEL_PLANAR, |
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| 136 | .depth = 16,
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| 137 | }, |
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| 138 | 35f6c154 | Lars Täuber | [PIX_FMT_YUV422P16BE] = {
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| 139 | 6c2a8608 | Michael Niedermayer | .nb_channels = 3,
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| 140 | .color_type = FF_COLOR_YUV, |
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| 141 | .pixel_type = FF_PIXEL_PLANAR, |
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| 142 | .depth = 16,
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| 143 | }, |
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| 144 | 35f6c154 | Lars Täuber | [PIX_FMT_YUV444P16BE] = {
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| 145 | 6c2a8608 | Michael Niedermayer | .nb_channels = 3,
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| 146 | .color_type = FF_COLOR_YUV, |
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| 147 | .pixel_type = FF_PIXEL_PLANAR, |
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| 148 | .depth = 16,
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| 149 | }, |
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| 150 | |||
| 151 | 524c6b63 | Fabrice Bellard | |
| 152 | b70335a2 | Aurelien Jacobs | /* YUV formats with alpha plane */
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| 153 | [PIX_FMT_YUVA420P] = {
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| 154 | .nb_channels = 4,
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| 155 | .color_type = FF_COLOR_YUV, |
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| 156 | .pixel_type = FF_PIXEL_PLANAR, |
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| 157 | .depth = 8,
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| 158 | }, |
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| 159 | |||
| 160 | b6147995 | Fabrice Bellard | /* JPEG YUV */
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| 161 | [PIX_FMT_YUVJ420P] = {
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| 162 | 7e7e5940 | Fabrice Bellard | .nb_channels = 3,
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| 163 | b6147995 | Fabrice Bellard | .color_type = FF_COLOR_YUV_JPEG, |
| 164 | 7e7e5940 | Fabrice Bellard | .pixel_type = FF_PIXEL_PLANAR, |
| 165 | b6147995 | Fabrice Bellard | .depth = 8,
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| 166 | }, |
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| 167 | [PIX_FMT_YUVJ422P] = {
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| 168 | 7e7e5940 | Fabrice Bellard | .nb_channels = 3,
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| 169 | b6147995 | Fabrice Bellard | .color_type = FF_COLOR_YUV_JPEG, |
| 170 | 7e7e5940 | Fabrice Bellard | .pixel_type = FF_PIXEL_PLANAR, |
| 171 | b6147995 | Fabrice Bellard | .depth = 8,
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| 172 | }, |
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| 173 | [PIX_FMT_YUVJ444P] = {
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| 174 | 7e7e5940 | Fabrice Bellard | .nb_channels = 3,
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| 175 | b6147995 | Fabrice Bellard | .color_type = FF_COLOR_YUV_JPEG, |
| 176 | 7e7e5940 | Fabrice Bellard | .pixel_type = FF_PIXEL_PLANAR, |
| 177 | b6147995 | Fabrice Bellard | .depth = 8,
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| 178 | }, |
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| 179 | 4196cfb7 | Andreas Öman | [PIX_FMT_YUVJ440P] = {
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| 180 | .nb_channels = 3,
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| 181 | .color_type = FF_COLOR_YUV_JPEG, |
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| 182 | .pixel_type = FF_PIXEL_PLANAR, |
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| 183 | .depth = 8,
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| 184 | }, |
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| 185 | b6147995 | Fabrice Bellard | |
| 186 | 524c6b63 | Fabrice Bellard | /* RGB formats */
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| 187 | [PIX_FMT_RGB24] = {
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| 188 | 7e7e5940 | Fabrice Bellard | .nb_channels = 3,
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| 189 | b6147995 | Fabrice Bellard | .color_type = FF_COLOR_RGB, |
| 190 | 7e7e5940 | Fabrice Bellard | .pixel_type = FF_PIXEL_PACKED, |
| 191 | b6147995 | Fabrice Bellard | .depth = 8,
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| 192 | 524c6b63 | Fabrice Bellard | }, |
| 193 | [PIX_FMT_BGR24] = {
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| 194 | 7e7e5940 | Fabrice Bellard | .nb_channels = 3,
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| 195 | b6147995 | Fabrice Bellard | .color_type = FF_COLOR_RGB, |
| 196 | 7e7e5940 | Fabrice Bellard | .pixel_type = FF_PIXEL_PACKED, |
| 197 | b6147995 | Fabrice Bellard | .depth = 8,
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| 198 | 524c6b63 | Fabrice Bellard | }, |
| 199 | 6e08ca9c | Stefano Sabatini | [PIX_FMT_ARGB] = {
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| 200 | 7e7e5940 | Fabrice Bellard | .nb_channels = 4, .is_alpha = 1, |
| 201 | b6147995 | Fabrice Bellard | .color_type = FF_COLOR_RGB, |
| 202 | 7e7e5940 | Fabrice Bellard | .pixel_type = FF_PIXEL_PACKED, |
| 203 | b6147995 | Fabrice Bellard | .depth = 8,
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| 204 | 524c6b63 | Fabrice Bellard | }, |
| 205 | 88c21a6f | Peter Ross | [PIX_FMT_RGB48BE] = {
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| 206 | .nb_channels = 3,
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| 207 | .color_type = FF_COLOR_RGB, |
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| 208 | .pixel_type = FF_PIXEL_PACKED, |
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| 209 | .depth = 16,
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| 210 | }, |
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| 211 | [PIX_FMT_RGB48LE] = {
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| 212 | .nb_channels = 3,
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| 213 | .color_type = FF_COLOR_RGB, |
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| 214 | .pixel_type = FF_PIXEL_PACKED, |
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| 215 | .depth = 16,
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| 216 | }, |
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| 217 | f82674e5 | Stefano Sabatini | [PIX_FMT_RGB565BE] = {
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| 218 | 7e7e5940 | Fabrice Bellard | .nb_channels = 3,
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| 219 | b6147995 | Fabrice Bellard | .color_type = FF_COLOR_RGB, |
| 220 | 7e7e5940 | Fabrice Bellard | .pixel_type = FF_PIXEL_PACKED, |
| 221 | b6147995 | Fabrice Bellard | .depth = 5,
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| 222 | 524c6b63 | Fabrice Bellard | }, |
| 223 | f82674e5 | Stefano Sabatini | [PIX_FMT_RGB565LE] = {
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| 224 | .nb_channels = 3,
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| 225 | .color_type = FF_COLOR_RGB, |
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| 226 | .pixel_type = FF_PIXEL_PACKED, |
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| 227 | .depth = 5,
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| 228 | }, |
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| 229 | [PIX_FMT_RGB555BE] = {
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| 230 | .nb_channels = 3,
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| 231 | .color_type = FF_COLOR_RGB, |
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| 232 | .pixel_type = FF_PIXEL_PACKED, |
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| 233 | .depth = 5,
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| 234 | }, |
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| 235 | [PIX_FMT_RGB555LE] = {
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| 236 | 20d46c03 | Alex Beregszaszi | .nb_channels = 3,
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| 237 | b6147995 | Fabrice Bellard | .color_type = FF_COLOR_RGB, |
| 238 | 7e7e5940 | Fabrice Bellard | .pixel_type = FF_PIXEL_PACKED, |
| 239 | b6147995 | Fabrice Bellard | .depth = 5,
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| 240 | 524c6b63 | Fabrice Bellard | }, |
| 241 | |||
| 242 | /* gray / mono formats */
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| 243 | 34380af0 | Kostya Shishkov | [PIX_FMT_GRAY16BE] = {
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| 244 | .nb_channels = 1,
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| 245 | .color_type = FF_COLOR_GRAY, |
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| 246 | .pixel_type = FF_PIXEL_PLANAR, |
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| 247 | .depth = 16,
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| 248 | }, |
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| 249 | [PIX_FMT_GRAY16LE] = {
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| 250 | .nb_channels = 1,
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| 251 | .color_type = FF_COLOR_GRAY, |
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| 252 | .pixel_type = FF_PIXEL_PLANAR, |
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| 253 | .depth = 16,
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| 254 | }, |
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| 255 | 524c6b63 | Fabrice Bellard | [PIX_FMT_GRAY8] = {
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| 256 | 7e7e5940 | Fabrice Bellard | .nb_channels = 1,
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| 257 | b6147995 | Fabrice Bellard | .color_type = FF_COLOR_GRAY, |
| 258 | 7e7e5940 | Fabrice Bellard | .pixel_type = FF_PIXEL_PLANAR, |
| 259 | b6147995 | Fabrice Bellard | .depth = 8,
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| 260 | 524c6b63 | Fabrice Bellard | }, |
| 261 | [PIX_FMT_MONOWHITE] = {
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| 262 | 7e7e5940 | Fabrice Bellard | .nb_channels = 1,
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| 263 | b6147995 | Fabrice Bellard | .color_type = FF_COLOR_GRAY, |
| 264 | 7e7e5940 | Fabrice Bellard | .pixel_type = FF_PIXEL_PLANAR, |
| 265 | b6147995 | Fabrice Bellard | .depth = 1,
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| 266 | 524c6b63 | Fabrice Bellard | }, |
| 267 | [PIX_FMT_MONOBLACK] = {
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| 268 | 7e7e5940 | Fabrice Bellard | .nb_channels = 1,
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| 269 | b6147995 | Fabrice Bellard | .color_type = FF_COLOR_GRAY, |
| 270 | 7e7e5940 | Fabrice Bellard | .pixel_type = FF_PIXEL_PLANAR, |
| 271 | b6147995 | Fabrice Bellard | .depth = 1,
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| 272 | 524c6b63 | Fabrice Bellard | }, |
| 273 | 7e6d70d0 | Fabrice Bellard | |
| 274 | /* paletted formats */
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| 275 | [PIX_FMT_PAL8] = {
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| 276 | 7e7e5940 | Fabrice Bellard | .nb_channels = 4, .is_alpha = 1, |
| 277 | b6147995 | Fabrice Bellard | .color_type = FF_COLOR_RGB, |
| 278 | 7e7e5940 | Fabrice Bellard | .pixel_type = FF_PIXEL_PALETTE, |
| 279 | b6147995 | Fabrice Bellard | .depth = 8,
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| 280 | 7e6d70d0 | Fabrice Bellard | }, |
| 281 | 71e445fc | Diego Biurrun | [PIX_FMT_UYYVYY411] = {
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| 282 | f02be79d | Roman Shaposhnik | .nb_channels = 1,
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| 283 | .color_type = FF_COLOR_YUV, |
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| 284 | .pixel_type = FF_PIXEL_PACKED, |
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| 285 | .depth = 8,
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| 286 | }, |
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| 287 | 6e08ca9c | Stefano Sabatini | [PIX_FMT_ABGR] = {
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| 288 | 00b2fa86 | Luca Abeni | .nb_channels = 4, .is_alpha = 1, |
| 289 | .color_type = FF_COLOR_RGB, |
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| 290 | .pixel_type = FF_PIXEL_PACKED, |
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| 291 | .depth = 8,
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| 292 | }, |
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| 293 | f82674e5 | Stefano Sabatini | [PIX_FMT_BGR565BE] = {
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| 294 | .nb_channels = 3,
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| 295 | .color_type = FF_COLOR_RGB, |
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| 296 | .pixel_type = FF_PIXEL_PACKED, |
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| 297 | .depth = 5,
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| 298 | }, |
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| 299 | [PIX_FMT_BGR565LE] = {
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| 300 | .nb_channels = 3,
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| 301 | .color_type = FF_COLOR_RGB, |
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| 302 | .pixel_type = FF_PIXEL_PACKED, |
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| 303 | .depth = 5,
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| 304 | }, |
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| 305 | [PIX_FMT_BGR555BE] = {
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| 306 | 00b2fa86 | Luca Abeni | .nb_channels = 3,
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| 307 | .color_type = FF_COLOR_RGB, |
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| 308 | .pixel_type = FF_PIXEL_PACKED, |
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| 309 | .depth = 5,
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| 310 | }, |
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| 311 | f82674e5 | Stefano Sabatini | [PIX_FMT_BGR555LE] = {
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| 312 | 08d23410 | Alex Beregszaszi | .nb_channels = 3,
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| 313 | 00b2fa86 | Luca Abeni | .color_type = FF_COLOR_RGB, |
| 314 | .pixel_type = FF_PIXEL_PACKED, |
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| 315 | .depth = 5,
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| 316 | }, |
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| 317 | [PIX_FMT_RGB8] = {
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| 318 | .nb_channels = 1,
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| 319 | .color_type = FF_COLOR_RGB, |
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| 320 | .pixel_type = FF_PIXEL_PACKED, |
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| 321 | .depth = 8,
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| 322 | }, |
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| 323 | [PIX_FMT_RGB4] = {
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| 324 | .nb_channels = 1,
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| 325 | .color_type = FF_COLOR_RGB, |
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| 326 | .pixel_type = FF_PIXEL_PACKED, |
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| 327 | .depth = 4,
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| 328 | }, |
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| 329 | [PIX_FMT_RGB4_BYTE] = {
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| 330 | .nb_channels = 1,
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| 331 | .color_type = FF_COLOR_RGB, |
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| 332 | .pixel_type = FF_PIXEL_PACKED, |
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| 333 | .depth = 8,
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| 334 | }, |
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| 335 | [PIX_FMT_BGR8] = {
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| 336 | .nb_channels = 1,
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| 337 | .color_type = FF_COLOR_RGB, |
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| 338 | .pixel_type = FF_PIXEL_PACKED, |
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| 339 | .depth = 8,
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| 340 | }, |
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| 341 | [PIX_FMT_BGR4] = {
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| 342 | .nb_channels = 1,
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| 343 | .color_type = FF_COLOR_RGB, |
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| 344 | .pixel_type = FF_PIXEL_PACKED, |
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| 345 | .depth = 4,
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| 346 | }, |
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| 347 | [PIX_FMT_BGR4_BYTE] = {
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| 348 | .nb_channels = 1,
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| 349 | .color_type = FF_COLOR_RGB, |
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| 350 | .pixel_type = FF_PIXEL_PACKED, |
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| 351 | .depth = 8,
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| 352 | }, |
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| 353 | [PIX_FMT_NV12] = {
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| 354 | .nb_channels = 2,
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| 355 | .color_type = FF_COLOR_YUV, |
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| 356 | .pixel_type = FF_PIXEL_PLANAR, |
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| 357 | .depth = 8,
|
||
| 358 | }, |
||
| 359 | [PIX_FMT_NV21] = {
|
||
| 360 | .nb_channels = 2,
|
||
| 361 | .color_type = FF_COLOR_YUV, |
||
| 362 | .pixel_type = FF_PIXEL_PLANAR, |
||
| 363 | .depth = 8,
|
||
| 364 | }, |
||
| 365 | |||
| 366 | 6e08ca9c | Stefano Sabatini | [PIX_FMT_BGRA] = {
|
| 367 | 00b2fa86 | Luca Abeni | .nb_channels = 4, .is_alpha = 1, |
| 368 | .color_type = FF_COLOR_RGB, |
||
| 369 | .pixel_type = FF_PIXEL_PACKED, |
||
| 370 | .depth = 8,
|
||
| 371 | }, |
||
| 372 | 6e08ca9c | Stefano Sabatini | [PIX_FMT_RGBA] = {
|
| 373 | 00b2fa86 | Luca Abeni | .nb_channels = 4, .is_alpha = 1, |
| 374 | .color_type = FF_COLOR_RGB, |
||
| 375 | .pixel_type = FF_PIXEL_PACKED, |
||
| 376 | .depth = 8,
|
||
| 377 | }, |
||
| 378 | 524c6b63 | Fabrice Bellard | }; |
| 379 | |||
| 380 | a61ec8e7 | Stefano Sabatini | void avcodec_get_chroma_sub_sample(enum PixelFormat pix_fmt, int *h_shift, int *v_shift) |
| 381 | 524c6b63 | Fabrice Bellard | {
|
| 382 | 38264abb | Stefano Sabatini | *h_shift = av_pix_fmt_descriptors[pix_fmt].log2_chroma_w; |
| 383 | *v_shift = av_pix_fmt_descriptors[pix_fmt].log2_chroma_h; |
||
| 384 | 524c6b63 | Fabrice Bellard | } |
| 385 | |||
| 386 | a61ec8e7 | Stefano Sabatini | const char *avcodec_get_pix_fmt_name(enum PixelFormat pix_fmt) |
| 387 | 524c6b63 | Fabrice Bellard | {
|
| 388 | if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB) |
||
| 389 | 42a45a03 | Peter Ross | return NULL; |
| 390 | 524c6b63 | Fabrice Bellard | else
|
| 391 | 797229a6 | Stefano Sabatini | return av_pix_fmt_descriptors[pix_fmt].name;
|
| 392 | 524c6b63 | Fabrice Bellard | } |
| 393 | |||
| 394 | 80a07f6e | Stefano Sabatini | #if LIBAVCODEC_VERSION_MAJOR < 53 |
| 395 | d89f692f | Stefano Sabatini | enum PixelFormat avcodec_get_pix_fmt(const char *name) |
| 396 | {
|
||
| 397 | 80a07f6e | Stefano Sabatini | return av_get_pix_fmt(name);
|
| 398 | d89f692f | Stefano Sabatini | } |
| 399 | 80a07f6e | Stefano Sabatini | #endif
|
| 400 | d89f692f | Stefano Sabatini | |
| 401 | a61ec8e7 | Stefano Sabatini | void avcodec_pix_fmt_string (char *buf, int buf_size, enum PixelFormat pix_fmt) |
| 402 | c3b95b1d | Stefano Sabatini | {
|
| 403 | /* print header */
|
||
| 404 | if (pix_fmt < 0) |
||
| 405 | snprintf (buf, buf_size, |
||
| 406 | "name " " nb_channels" " depth" " is_alpha" |
||
| 407 | ); |
||
| 408 | 8e6f8869 | Michael Niedermayer | else{
|
| 409 | PixFmtInfo info= pix_fmt_info[pix_fmt]; |
||
| 410 | |||
| 411 | char is_alpha_char= info.is_alpha ? 'y' : 'n'; |
||
| 412 | |||
| 413 | c3b95b1d | Stefano Sabatini | snprintf (buf, buf_size, |
| 414 | 65935bc7 | Justin Ruggles | "%-11s %5d %9d %6c",
|
| 415 | 106c72fa | Stefano Sabatini | av_pix_fmt_descriptors[pix_fmt].name, |
| 416 | c3b95b1d | Stefano Sabatini | info.nb_channels, |
| 417 | info.depth, |
||
| 418 | is_alpha_char |
||
| 419 | ); |
||
| 420 | 8e6f8869 | Michael Niedermayer | } |
| 421 | c3b95b1d | Stefano Sabatini | } |
| 422 | |||
| 423 | c269cf68 | Michael Niedermayer | int ff_is_hwaccel_pix_fmt(enum PixelFormat pix_fmt) |
| 424 | {
|
||
| 425 | 8e861e1b | Stefano Sabatini | return av_pix_fmt_descriptors[pix_fmt].flags & PIX_FMT_HWACCEL;
|
| 426 | c269cf68 | Michael Niedermayer | } |
| 427 | |||
| 428 | 6337178b | Michael Niedermayer | int ff_set_systematic_pal(uint32_t pal[256], enum PixelFormat pix_fmt){ |
| 429 | int i;
|
||
| 430 | |||
| 431 | for(i=0; i<256; i++){ |
||
| 432 | int r,g,b;
|
||
| 433 | |||
| 434 | switch(pix_fmt) {
|
||
| 435 | case PIX_FMT_RGB8:
|
||
| 436 | r= (i>>5 )*36; |
||
| 437 | g= ((i>>2)&7)*36; |
||
| 438 | b= (i&3 )*85; |
||
| 439 | break;
|
||
| 440 | case PIX_FMT_BGR8:
|
||
| 441 | b= (i>>6 )*85; |
||
| 442 | g= ((i>>3)&7)*36; |
||
| 443 | r= (i&7 )*36; |
||
| 444 | break;
|
||
| 445 | case PIX_FMT_RGB4_BYTE:
|
||
| 446 | r= (i>>3 )*255; |
||
| 447 | g= ((i>>1)&3)*85; |
||
| 448 | b= (i&1 )*255; |
||
| 449 | break;
|
||
| 450 | case PIX_FMT_BGR4_BYTE:
|
||
| 451 | b= (i>>3 )*255; |
||
| 452 | g= ((i>>1)&3)*85; |
||
| 453 | r= (i&1 )*255; |
||
| 454 | break;
|
||
| 455 | case PIX_FMT_GRAY8:
|
||
| 456 | r=b=g= i; |
||
| 457 | break;
|
||
| 458 | c7efffcb | Patrik Kullman | default:
|
| 459 | return -1; |
||
| 460 | 6337178b | Michael Niedermayer | } |
| 461 | pal[i] = b + (g<<8) + (r<<16); |
||
| 462 | } |
||
| 463 | |||
| 464 | return 0; |
||
| 465 | } |
||
| 466 | |||
| 467 | a61ec8e7 | Stefano Sabatini | int ff_fill_linesize(AVPicture *picture, enum PixelFormat pix_fmt, int width) |
| 468 | 2a877875 | Fabrice Bellard | {
|
| 469 | cc9853d3 | Vitor Sessak | int w2;
|
| 470 | 14b903f3 | Stefano Sabatini | const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
|
| 471 | 115329f1 | Diego Biurrun | |
| 472 | cc9853d3 | Vitor Sessak | memset(picture->linesize, 0, sizeof(picture->linesize)); |
| 473 | 0ecca7a4 | Michael Niedermayer | |
| 474 | 2a877875 | Fabrice Bellard | switch(pix_fmt) {
|
| 475 | case PIX_FMT_YUV420P:
|
||
| 476 | 4c7e8619 | Fabrice Bellard | case PIX_FMT_YUV422P:
|
| 477 | case PIX_FMT_YUV444P:
|
||
| 478 | case PIX_FMT_YUV410P:
|
||
| 479 | case PIX_FMT_YUV411P:
|
||
| 480 | 4196cfb7 | Andreas Öman | case PIX_FMT_YUV440P:
|
| 481 | c50c0bc8 | Fabrice Bellard | case PIX_FMT_YUVJ420P:
|
| 482 | case PIX_FMT_YUVJ422P:
|
||
| 483 | case PIX_FMT_YUVJ444P:
|
||
| 484 | 4196cfb7 | Andreas Öman | case PIX_FMT_YUVJ440P:
|
| 485 | 14b903f3 | Stefano Sabatini | w2 = (width + (1 << desc->log2_chroma_w) - 1) >> desc->log2_chroma_w; |
| 486 | 2a877875 | Fabrice Bellard | picture->linesize[0] = width;
|
| 487 | 4c7e8619 | Fabrice Bellard | picture->linesize[1] = w2;
|
| 488 | picture->linesize[2] = w2;
|
||
| 489 | cc9853d3 | Vitor Sessak | break;
|
| 490 | 35f6c154 | Lars Täuber | case PIX_FMT_YUV420P16LE:
|
| 491 | case PIX_FMT_YUV422P16LE:
|
||
| 492 | case PIX_FMT_YUV444P16LE:
|
||
| 493 | case PIX_FMT_YUV420P16BE:
|
||
| 494 | case PIX_FMT_YUV422P16BE:
|
||
| 495 | case PIX_FMT_YUV444P16BE:
|
||
| 496 | 14b903f3 | Stefano Sabatini | w2 = (width + (1 << desc->log2_chroma_w) - 1) >> desc->log2_chroma_w; |
| 497 | 6c2a8608 | Michael Niedermayer | picture->linesize[0] = 2*width; |
| 498 | picture->linesize[1] = 2*w2; |
||
| 499 | picture->linesize[2] = 2*w2; |
||
| 500 | break;
|
||
| 501 | b70335a2 | Aurelien Jacobs | case PIX_FMT_YUVA420P:
|
| 502 | 14b903f3 | Stefano Sabatini | w2 = (width + (1 << desc->log2_chroma_w) - 1) >> desc->log2_chroma_w; |
| 503 | b70335a2 | Aurelien Jacobs | picture->linesize[0] = width;
|
| 504 | picture->linesize[1] = w2;
|
||
| 505 | picture->linesize[2] = w2;
|
||
| 506 | picture->linesize[3] = width;
|
||
| 507 | cc9853d3 | Vitor Sessak | break;
|
| 508 | 00b2fa86 | Luca Abeni | case PIX_FMT_NV12:
|
| 509 | case PIX_FMT_NV21:
|
||
| 510 | 14b903f3 | Stefano Sabatini | w2 = (width + (1 << desc->log2_chroma_w) - 1) >> desc->log2_chroma_w; |
| 511 | 00b2fa86 | Luca Abeni | picture->linesize[0] = width;
|
| 512 | f2526204 | Ramiro Polla | picture->linesize[1] = 2 * w2; |
| 513 | cc9853d3 | Vitor Sessak | break;
|
| 514 | 2a877875 | Fabrice Bellard | case PIX_FMT_RGB24:
|
| 515 | case PIX_FMT_BGR24:
|
||
| 516 | picture->linesize[0] = width * 3; |
||
| 517 | cc9853d3 | Vitor Sessak | break;
|
| 518 | 6e08ca9c | Stefano Sabatini | case PIX_FMT_ARGB:
|
| 519 | case PIX_FMT_ABGR:
|
||
| 520 | case PIX_FMT_RGBA:
|
||
| 521 | case PIX_FMT_BGRA:
|
||
| 522 | 2a877875 | Fabrice Bellard | picture->linesize[0] = width * 4; |
| 523 | cc9853d3 | Vitor Sessak | break;
|
| 524 | 88c21a6f | Peter Ross | case PIX_FMT_RGB48BE:
|
| 525 | case PIX_FMT_RGB48LE:
|
||
| 526 | picture->linesize[0] = width * 6; |
||
| 527 | break;
|
||
| 528 | 34380af0 | Kostya Shishkov | case PIX_FMT_GRAY16BE:
|
| 529 | case PIX_FMT_GRAY16LE:
|
||
| 530 | ffd38d8b | Alexis Ballier | case PIX_FMT_BGR555BE:
|
| 531 | case PIX_FMT_BGR555LE:
|
||
| 532 | case PIX_FMT_BGR565BE:
|
||
| 533 | case PIX_FMT_BGR565LE:
|
||
| 534 | case PIX_FMT_RGB555BE:
|
||
| 535 | case PIX_FMT_RGB555LE:
|
||
| 536 | case PIX_FMT_RGB565BE:
|
||
| 537 | case PIX_FMT_RGB565LE:
|
||
| 538 | 71e445fc | Diego Biurrun | case PIX_FMT_YUYV422:
|
| 539 | 2a877875 | Fabrice Bellard | picture->linesize[0] = width * 2; |
| 540 | cc9853d3 | Vitor Sessak | break;
|
| 541 | ebb177dd | Todd Kirby | case PIX_FMT_UYVY422:
|
| 542 | picture->linesize[0] = width * 2; |
||
| 543 | cc9853d3 | Vitor Sessak | break;
|
| 544 | 71e445fc | Diego Biurrun | case PIX_FMT_UYYVYY411:
|
| 545 | f02be79d | Roman Shaposhnik | picture->linesize[0] = width + width/2; |
| 546 | cc9853d3 | Vitor Sessak | break;
|
| 547 | 00b2fa86 | Luca Abeni | case PIX_FMT_RGB4:
|
| 548 | case PIX_FMT_BGR4:
|
||
| 549 | cc9853d3 | Vitor Sessak | picture->linesize[0] = width / 2; |
| 550 | break;
|
||
| 551 | case PIX_FMT_MONOWHITE:
|
||
| 552 | case PIX_FMT_MONOBLACK:
|
||
| 553 | picture->linesize[0] = (width + 7) >> 3; |
||
| 554 | break;
|
||
| 555 | case PIX_FMT_PAL8:
|
||
| 556 | 6337178b | Michael Niedermayer | case PIX_FMT_RGB8:
|
| 557 | case PIX_FMT_BGR8:
|
||
| 558 | case PIX_FMT_RGB4_BYTE:
|
||
| 559 | case PIX_FMT_BGR4_BYTE:
|
||
| 560 | case PIX_FMT_GRAY8:
|
||
| 561 | cc9853d3 | Vitor Sessak | picture->linesize[0] = width;
|
| 562 | break;
|
||
| 563 | default:
|
||
| 564 | return -1; |
||
| 565 | } |
||
| 566 | return 0; |
||
| 567 | } |
||
| 568 | |||
| 569 | a61ec8e7 | Stefano Sabatini | int ff_fill_pointer(AVPicture *picture, uint8_t *ptr, enum PixelFormat pix_fmt, |
| 570 | cc9853d3 | Vitor Sessak | int height)
|
| 571 | {
|
||
| 572 | int size, h2, size2;
|
||
| 573 | 14b903f3 | Stefano Sabatini | const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
|
| 574 | cc9853d3 | Vitor Sessak | |
| 575 | size = picture->linesize[0] * height;
|
||
| 576 | switch(pix_fmt) {
|
||
| 577 | case PIX_FMT_YUV420P:
|
||
| 578 | case PIX_FMT_YUV422P:
|
||
| 579 | case PIX_FMT_YUV444P:
|
||
| 580 | case PIX_FMT_YUV410P:
|
||
| 581 | case PIX_FMT_YUV411P:
|
||
| 582 | case PIX_FMT_YUV440P:
|
||
| 583 | case PIX_FMT_YUVJ420P:
|
||
| 584 | case PIX_FMT_YUVJ422P:
|
||
| 585 | case PIX_FMT_YUVJ444P:
|
||
| 586 | case PIX_FMT_YUVJ440P:
|
||
| 587 | 35f6c154 | Lars Täuber | case PIX_FMT_YUV420P16LE:
|
| 588 | case PIX_FMT_YUV422P16LE:
|
||
| 589 | case PIX_FMT_YUV444P16LE:
|
||
| 590 | case PIX_FMT_YUV420P16BE:
|
||
| 591 | case PIX_FMT_YUV422P16BE:
|
||
| 592 | case PIX_FMT_YUV444P16BE:
|
||
| 593 | 14b903f3 | Stefano Sabatini | h2 = (height + (1 << desc->log2_chroma_h) - 1) >> desc->log2_chroma_h; |
| 594 | cc9853d3 | Vitor Sessak | size2 = picture->linesize[1] * h2;
|
| 595 | 00b2fa86 | Luca Abeni | picture->data[0] = ptr;
|
| 596 | cc9853d3 | Vitor Sessak | picture->data[1] = picture->data[0] + size; |
| 597 | picture->data[2] = picture->data[1] + size2; |
||
| 598 | picture->data[3] = NULL; |
||
| 599 | return size + 2 * size2; |
||
| 600 | case PIX_FMT_YUVA420P:
|
||
| 601 | 14b903f3 | Stefano Sabatini | h2 = (height + (1 << desc->log2_chroma_h) - 1) >> desc->log2_chroma_h; |
| 602 | cc9853d3 | Vitor Sessak | size2 = picture->linesize[1] * h2;
|
| 603 | picture->data[0] = ptr;
|
||
| 604 | picture->data[1] = picture->data[0] + size; |
||
| 605 | picture->data[2] = picture->data[1] + size2; |
||
| 606 | picture->data[3] = picture->data[1] + size2 + size2; |
||
| 607 | return 2 * size + 2 * size2; |
||
| 608 | case PIX_FMT_NV12:
|
||
| 609 | case PIX_FMT_NV21:
|
||
| 610 | 14b903f3 | Stefano Sabatini | h2 = (height + (1 << desc->log2_chroma_h) - 1) >> desc->log2_chroma_h; |
| 611 | f2526204 | Ramiro Polla | size2 = picture->linesize[1] * h2;
|
| 612 | cc9853d3 | Vitor Sessak | picture->data[0] = ptr;
|
| 613 | picture->data[1] = picture->data[0] + size; |
||
| 614 | 00b2fa86 | Luca Abeni | picture->data[2] = NULL; |
| 615 | b70335a2 | Aurelien Jacobs | picture->data[3] = NULL; |
| 616 | f2526204 | Ramiro Polla | return size + size2;
|
| 617 | cc9853d3 | Vitor Sessak | case PIX_FMT_RGB24:
|
| 618 | case PIX_FMT_BGR24:
|
||
| 619 | 6e08ca9c | Stefano Sabatini | case PIX_FMT_ARGB:
|
| 620 | case PIX_FMT_ABGR:
|
||
| 621 | case PIX_FMT_RGBA:
|
||
| 622 | case PIX_FMT_BGRA:
|
||
| 623 | 88c21a6f | Peter Ross | case PIX_FMT_RGB48BE:
|
| 624 | case PIX_FMT_RGB48LE:
|
||
| 625 | cc9853d3 | Vitor Sessak | case PIX_FMT_GRAY16BE:
|
| 626 | case PIX_FMT_GRAY16LE:
|
||
| 627 | ffd38d8b | Alexis Ballier | case PIX_FMT_BGR555BE:
|
| 628 | case PIX_FMT_BGR555LE:
|
||
| 629 | case PIX_FMT_BGR565BE:
|
||
| 630 | case PIX_FMT_BGR565LE:
|
||
| 631 | case PIX_FMT_RGB555BE:
|
||
| 632 | case PIX_FMT_RGB555LE:
|
||
| 633 | case PIX_FMT_RGB565BE:
|
||
| 634 | case PIX_FMT_RGB565LE:
|
||
| 635 | cc9853d3 | Vitor Sessak | case PIX_FMT_YUYV422:
|
| 636 | case PIX_FMT_UYVY422:
|
||
| 637 | case PIX_FMT_UYYVYY411:
|
||
| 638 | case PIX_FMT_RGB4:
|
||
| 639 | case PIX_FMT_BGR4:
|
||
| 640 | 2a877875 | Fabrice Bellard | case PIX_FMT_MONOWHITE:
|
| 641 | case PIX_FMT_MONOBLACK:
|
||
| 642 | picture->data[0] = ptr;
|
||
| 643 | picture->data[1] = NULL; |
||
| 644 | picture->data[2] = NULL; |
||
| 645 | b70335a2 | Aurelien Jacobs | picture->data[3] = NULL; |
| 646 | cc9853d3 | Vitor Sessak | return size;
|
| 647 | 7e6d70d0 | Fabrice Bellard | case PIX_FMT_PAL8:
|
| 648 | 6337178b | Michael Niedermayer | case PIX_FMT_RGB8:
|
| 649 | case PIX_FMT_BGR8:
|
||
| 650 | case PIX_FMT_RGB4_BYTE:
|
||
| 651 | case PIX_FMT_BGR4_BYTE:
|
||
| 652 | case PIX_FMT_GRAY8:
|
||
| 653 | 7e6d70d0 | Fabrice Bellard | size2 = (size + 3) & ~3; |
| 654 | picture->data[0] = ptr;
|
||
| 655 | picture->data[1] = ptr + size2; /* palette is stored here as 256 32 bit words */ |
||
| 656 | picture->data[2] = NULL; |
||
| 657 | b70335a2 | Aurelien Jacobs | picture->data[3] = NULL; |
| 658 | 7e6d70d0 | Fabrice Bellard | return size2 + 256 * 4; |
| 659 | 2a877875 | Fabrice Bellard | default:
|
| 660 | picture->data[0] = NULL; |
||
| 661 | picture->data[1] = NULL; |
||
| 662 | picture->data[2] = NULL; |
||
| 663 | 7e6d70d0 | Fabrice Bellard | picture->data[3] = NULL; |
| 664 | 2a877875 | Fabrice Bellard | return -1; |
| 665 | } |
||
| 666 | } |
||
| 667 | |||
| 668 | cc9853d3 | Vitor Sessak | int avpicture_fill(AVPicture *picture, uint8_t *ptr,
|
| 669 | a61ec8e7 | Stefano Sabatini | enum PixelFormat pix_fmt, int width, int height) |
| 670 | cc9853d3 | Vitor Sessak | {
|
| 671 | |||
| 672 | if(avcodec_check_dimensions(NULL, width, height)) |
||
| 673 | return -1; |
||
| 674 | |||
| 675 | fba95d3c | Vitor Sessak | if (ff_fill_linesize(picture, pix_fmt, width))
|
| 676 | cc9853d3 | Vitor Sessak | return -1; |
| 677 | |||
| 678 | fba95d3c | Vitor Sessak | return ff_fill_pointer(picture, ptr, pix_fmt, height);
|
| 679 | cc9853d3 | Vitor Sessak | } |
| 680 | |||
| 681 | a61ec8e7 | Stefano Sabatini | int avpicture_layout(const AVPicture* src, enum PixelFormat pix_fmt, int width, int height, |
| 682 | 63167088 | Roman Shaposhnik | unsigned char *dest, int dest_size) |
| 683 | {
|
||
| 684 | 62a05b5b | Stefan Huehner | const PixFmtInfo* pf = &pix_fmt_info[pix_fmt];
|
| 685 | 14b903f3 | Stefano Sabatini | const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
|
| 686 | 5f59207d | Cédric Schieli | int i, j, w, ow, h, oh, data_planes;
|
| 687 | 115329f1 | Diego Biurrun | const unsigned char* s; |
| 688 | 63167088 | Roman Shaposhnik | int size = avpicture_get_size(pix_fmt, width, height);
|
| 689 | |||
| 690 | 0ecca7a4 | Michael Niedermayer | if (size > dest_size || size < 0) |
| 691 | 63167088 | Roman Shaposhnik | return -1; |
| 692 | |||
| 693 | affd55a1 | Roman Shaposhnik | if (pf->pixel_type == FF_PIXEL_PACKED || pf->pixel_type == FF_PIXEL_PALETTE) {
|
| 694 | 71e445fc | Diego Biurrun | if (pix_fmt == PIX_FMT_YUYV422 ||
|
| 695 | 115329f1 | Diego Biurrun | pix_fmt == PIX_FMT_UYVY422 || |
| 696 | ffd38d8b | Alexis Ballier | pix_fmt == PIX_FMT_BGR565BE || |
| 697 | pix_fmt == PIX_FMT_BGR565LE || |
||
| 698 | pix_fmt == PIX_FMT_BGR555BE || |
||
| 699 | pix_fmt == PIX_FMT_BGR555LE || |
||
| 700 | pix_fmt == PIX_FMT_RGB565BE || |
||
| 701 | pix_fmt == PIX_FMT_RGB565LE || |
||
| 702 | pix_fmt == PIX_FMT_RGB555BE || |
||
| 703 | pix_fmt == PIX_FMT_RGB555LE) |
||
| 704 | ebb177dd | Todd Kirby | w = width * 2;
|
| 705 | 71e445fc | Diego Biurrun | else if (pix_fmt == PIX_FMT_UYYVYY411) |
| 706 | b16569d2 | Ramiro Polla | w = width + width/2;
|
| 707 | bb270c08 | Diego Biurrun | else if (pix_fmt == PIX_FMT_PAL8) |
| 708 | b16569d2 | Ramiro Polla | w = width; |
| 709 | bb270c08 | Diego Biurrun | else
|
| 710 | b16569d2 | Ramiro Polla | w = width * (pf->depth * pf->nb_channels / 8);
|
| 711 | bb270c08 | Diego Biurrun | |
| 712 | data_planes = 1;
|
||
| 713 | h = height; |
||
| 714 | 63167088 | Roman Shaposhnik | } else {
|
| 715 | data_planes = pf->nb_channels; |
||
| 716 | bb270c08 | Diego Biurrun | w = (width*pf->depth + 7)/8; |
| 717 | h = height; |
||
| 718 | 63167088 | Roman Shaposhnik | } |
| 719 | 115329f1 | Diego Biurrun | |
| 720 | 5f59207d | Cédric Schieli | ow = w; |
| 721 | oh = h; |
||
| 722 | |||
| 723 | 63167088 | Roman Shaposhnik | for (i=0; i<data_planes; i++) { |
| 724 | b16569d2 | Ramiro Polla | if (i == 1) { |
| 725 | 14b903f3 | Stefano Sabatini | w = ((width >> desc->log2_chroma_w) * pf->depth + 7) / 8; |
| 726 | h = height >> desc->log2_chroma_h; |
||
| 727 | f2526204 | Ramiro Polla | if (pix_fmt == PIX_FMT_NV12 || pix_fmt == PIX_FMT_NV21)
|
| 728 | w <<= 1;
|
||
| 729 | b16569d2 | Ramiro Polla | } else if (i == 3) { |
| 730 | w = ow; |
||
| 731 | h = oh; |
||
| 732 | } |
||
| 733 | s = src->data[i]; |
||
| 734 | for(j=0; j<h; j++) { |
||
| 735 | memcpy(dest, s, w); |
||
| 736 | dest += w; |
||
| 737 | s += src->linesize[i]; |
||
| 738 | } |
||
| 739 | 63167088 | Roman Shaposhnik | } |
| 740 | 115329f1 | Diego Biurrun | |
| 741 | affd55a1 | Roman Shaposhnik | if (pf->pixel_type == FF_PIXEL_PALETTE)
|
| 742 | bb270c08 | Diego Biurrun | memcpy((unsigned char *)(((size_t)dest + 3) & ~3), src->data[1], 256 * 4); |
| 743 | 115329f1 | Diego Biurrun | |
| 744 | 63167088 | Roman Shaposhnik | return size;
|
| 745 | } |
||
| 746 | |||
| 747 | a61ec8e7 | Stefano Sabatini | int avpicture_get_size(enum PixelFormat pix_fmt, int width, int height) |
| 748 | 2a877875 | Fabrice Bellard | {
|
| 749 | AVPicture dummy_pict; |
||
| 750 | 899a8fa1 | Reimar Döffinger | if(avcodec_check_dimensions(NULL, width, height)) |
| 751 | return -1; |
||
| 752 | switch (pix_fmt) {
|
||
| 753 | case PIX_FMT_RGB8:
|
||
| 754 | case PIX_FMT_BGR8:
|
||
| 755 | case PIX_FMT_RGB4_BYTE:
|
||
| 756 | case PIX_FMT_BGR4_BYTE:
|
||
| 757 | case PIX_FMT_GRAY8:
|
||
| 758 | // do not include palette for these pseudo-paletted formats
|
||
| 759 | return width * height;
|
||
| 760 | } |
||
| 761 | 2a877875 | Fabrice Bellard | return avpicture_fill(&dummy_pict, NULL, pix_fmt, width, height); |
| 762 | } |
||
| 763 | |||
| 764 | a61ec8e7 | Stefano Sabatini | int avcodec_get_pix_fmt_loss(enum PixelFormat dst_pix_fmt, enum PixelFormat src_pix_fmt, |
| 765 | b6147995 | Fabrice Bellard | int has_alpha)
|
| 766 | {
|
||
| 767 | const PixFmtInfo *pf, *ps;
|
||
| 768 | 14b903f3 | Stefano Sabatini | const AVPixFmtDescriptor *src_desc = &av_pix_fmt_descriptors[src_pix_fmt];
|
| 769 | const AVPixFmtDescriptor *dst_desc = &av_pix_fmt_descriptors[dst_pix_fmt];
|
||
| 770 | b6147995 | Fabrice Bellard | int loss;
|
| 771 | |||
| 772 | ps = &pix_fmt_info[src_pix_fmt]; |
||
| 773 | |||
| 774 | /* compute loss */
|
||
| 775 | loss = 0;
|
||
| 776 | pf = &pix_fmt_info[dst_pix_fmt]; |
||
| 777 | 0a9ad8d1 | Fabrice Bellard | if (pf->depth < ps->depth ||
|
| 778 | ffd38d8b | Alexis Ballier | ((dst_pix_fmt == PIX_FMT_RGB555BE || dst_pix_fmt == PIX_FMT_RGB555LE) && |
| 779 | (src_pix_fmt == PIX_FMT_RGB565BE || src_pix_fmt == PIX_FMT_RGB565LE))) |
||
| 780 | b6147995 | Fabrice Bellard | loss |= FF_LOSS_DEPTH; |
| 781 | 14b903f3 | Stefano Sabatini | if (dst_desc->log2_chroma_w > src_desc->log2_chroma_w ||
|
| 782 | dst_desc->log2_chroma_h > src_desc->log2_chroma_h) |
||
| 783 | b6147995 | Fabrice Bellard | loss |= FF_LOSS_RESOLUTION; |
| 784 | switch(pf->color_type) {
|
||
| 785 | case FF_COLOR_RGB:
|
||
| 786 | if (ps->color_type != FF_COLOR_RGB &&
|
||
| 787 | ps->color_type != FF_COLOR_GRAY) |
||
| 788 | loss |= FF_LOSS_COLORSPACE; |
||
| 789 | break;
|
||
| 790 | case FF_COLOR_GRAY:
|
||
| 791 | if (ps->color_type != FF_COLOR_GRAY)
|
||
| 792 | loss |= FF_LOSS_COLORSPACE; |
||
| 793 | break;
|
||
| 794 | case FF_COLOR_YUV:
|
||
| 795 | if (ps->color_type != FF_COLOR_YUV)
|
||
| 796 | loss |= FF_LOSS_COLORSPACE; |
||
| 797 | break;
|
||
| 798 | case FF_COLOR_YUV_JPEG:
|
||
| 799 | if (ps->color_type != FF_COLOR_YUV_JPEG &&
|
||
| 800 | 115329f1 | Diego Biurrun | ps->color_type != FF_COLOR_YUV && |
| 801 | 0a9ad8d1 | Fabrice Bellard | ps->color_type != FF_COLOR_GRAY) |
| 802 | b6147995 | Fabrice Bellard | loss |= FF_LOSS_COLORSPACE; |
| 803 | break;
|
||
| 804 | default:
|
||
| 805 | /* fail safe test */
|
||
| 806 | if (ps->color_type != pf->color_type)
|
||
| 807 | loss |= FF_LOSS_COLORSPACE; |
||
| 808 | break;
|
||
| 809 | } |
||
| 810 | if (pf->color_type == FF_COLOR_GRAY &&
|
||
| 811 | ps->color_type != FF_COLOR_GRAY) |
||
| 812 | loss |= FF_LOSS_CHROMA; |
||
| 813 | if (!pf->is_alpha && (ps->is_alpha && has_alpha))
|
||
| 814 | loss |= FF_LOSS_ALPHA; |
||
| 815 | 115329f1 | Diego Biurrun | if (pf->pixel_type == FF_PIXEL_PALETTE &&
|
| 816 | 7e7e5940 | Fabrice Bellard | (ps->pixel_type != FF_PIXEL_PALETTE && ps->color_type != FF_COLOR_GRAY)) |
| 817 | b6147995 | Fabrice Bellard | loss |= FF_LOSS_COLORQUANT; |
| 818 | return loss;
|
||
| 819 | } |
||
| 820 | |||
| 821 | a61ec8e7 | Stefano Sabatini | static int avg_bits_per_pixel(enum PixelFormat pix_fmt) |
| 822 | b6147995 | Fabrice Bellard | {
|
| 823 | int bits;
|
||
| 824 | const PixFmtInfo *pf;
|
||
| 825 | 14b903f3 | Stefano Sabatini | const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
|
| 826 | b6147995 | Fabrice Bellard | |
| 827 | pf = &pix_fmt_info[pix_fmt]; |
||
| 828 | 7e7e5940 | Fabrice Bellard | switch(pf->pixel_type) {
|
| 829 | case FF_PIXEL_PACKED:
|
||
| 830 | b6147995 | Fabrice Bellard | switch(pix_fmt) {
|
| 831 | 71e445fc | Diego Biurrun | case PIX_FMT_YUYV422:
|
| 832 | ebb177dd | Todd Kirby | case PIX_FMT_UYVY422:
|
| 833 | ffd38d8b | Alexis Ballier | case PIX_FMT_RGB565BE:
|
| 834 | case PIX_FMT_RGB565LE:
|
||
| 835 | case PIX_FMT_RGB555BE:
|
||
| 836 | case PIX_FMT_RGB555LE:
|
||
| 837 | case PIX_FMT_BGR565BE:
|
||
| 838 | case PIX_FMT_BGR565LE:
|
||
| 839 | case PIX_FMT_BGR555BE:
|
||
| 840 | case PIX_FMT_BGR555LE:
|
||
| 841 | b6147995 | Fabrice Bellard | bits = 16;
|
| 842 | break;
|
||
| 843 | 71e445fc | Diego Biurrun | case PIX_FMT_UYYVYY411:
|
| 844 | bb270c08 | Diego Biurrun | bits = 12;
|
| 845 | break;
|
||
| 846 | b6147995 | Fabrice Bellard | default:
|
| 847 | 7e7e5940 | Fabrice Bellard | bits = pf->depth * pf->nb_channels; |
| 848 | b6147995 | Fabrice Bellard | break;
|
| 849 | } |
||
| 850 | 7e7e5940 | Fabrice Bellard | break;
|
| 851 | case FF_PIXEL_PLANAR:
|
||
| 852 | 14b903f3 | Stefano Sabatini | if (desc->log2_chroma_w == 0 && desc->log2_chroma_h == 0) { |
| 853 | 7e7e5940 | Fabrice Bellard | bits = pf->depth * pf->nb_channels; |
| 854 | } else {
|
||
| 855 | 115329f1 | Diego Biurrun | bits = pf->depth + ((2 * pf->depth) >>
|
| 856 | 14b903f3 | Stefano Sabatini | (desc->log2_chroma_w + desc->log2_chroma_h)); |
| 857 | 7e7e5940 | Fabrice Bellard | } |
| 858 | break;
|
||
| 859 | case FF_PIXEL_PALETTE:
|
||
| 860 | bits = 8;
|
||
| 861 | break;
|
||
| 862 | default:
|
||
| 863 | bits = -1;
|
||
| 864 | break;
|
||
| 865 | b6147995 | Fabrice Bellard | } |
| 866 | return bits;
|
||
| 867 | } |
||
| 868 | |||
| 869 | a61ec8e7 | Stefano Sabatini | static enum PixelFormat avcodec_find_best_pix_fmt1(int64_t pix_fmt_mask, |
| 870 | enum PixelFormat src_pix_fmt,
|
||
| 871 | b6147995 | Fabrice Bellard | int has_alpha,
|
| 872 | int loss_mask)
|
||
| 873 | {
|
||
| 874 | a61ec8e7 | Stefano Sabatini | int dist, i, loss, min_dist;
|
| 875 | enum PixelFormat dst_pix_fmt;
|
||
| 876 | b6147995 | Fabrice Bellard | |
| 877 | /* find exact color match with smallest size */
|
||
| 878 | f0bc8449 | Carl Eugen Hoyos | dst_pix_fmt = PIX_FMT_NONE; |
| 879 | b6147995 | Fabrice Bellard | min_dist = 0x7fffffff;
|
| 880 | for(i = 0;i < PIX_FMT_NB; i++) { |
||
| 881 | 31c3a4dc | Anders Grönberg | if (pix_fmt_mask & (1ULL << i)) { |
| 882 | b6147995 | Fabrice Bellard | loss = avcodec_get_pix_fmt_loss(i, src_pix_fmt, has_alpha) & loss_mask; |
| 883 | if (loss == 0) { |
||
| 884 | dist = avg_bits_per_pixel(i); |
||
| 885 | if (dist < min_dist) {
|
||
| 886 | min_dist = dist; |
||
| 887 | dst_pix_fmt = i; |
||
| 888 | } |
||
| 889 | } |
||
| 890 | } |
||
| 891 | } |
||
| 892 | return dst_pix_fmt;
|
||
| 893 | } |
||
| 894 | |||
| 895 | a61ec8e7 | Stefano Sabatini | enum PixelFormat avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, enum PixelFormat src_pix_fmt, |
| 896 | b6147995 | Fabrice Bellard | int has_alpha, int *loss_ptr) |
| 897 | {
|
||
| 898 | a61ec8e7 | Stefano Sabatini | enum PixelFormat dst_pix_fmt;
|
| 899 | int loss_mask, i;
|
||
| 900 | b6147995 | Fabrice Bellard | static const int loss_mask_order[] = { |
| 901 | ~0, /* no loss first */ |
||
| 902 | ~FF_LOSS_ALPHA, |
||
| 903 | ~FF_LOSS_RESOLUTION, |
||
| 904 | ~(FF_LOSS_COLORSPACE | FF_LOSS_RESOLUTION), |
||
| 905 | ~FF_LOSS_COLORQUANT, |
||
| 906 | ~FF_LOSS_DEPTH, |
||
| 907 | 0,
|
||
| 908 | }; |
||
| 909 | |||
| 910 | /* try with successive loss */
|
||
| 911 | i = 0;
|
||
| 912 | for(;;) {
|
||
| 913 | loss_mask = loss_mask_order[i++]; |
||
| 914 | 115329f1 | Diego Biurrun | dst_pix_fmt = avcodec_find_best_pix_fmt1(pix_fmt_mask, src_pix_fmt, |
| 915 | b6147995 | Fabrice Bellard | has_alpha, loss_mask); |
| 916 | if (dst_pix_fmt >= 0) |
||
| 917 | goto found;
|
||
| 918 | if (loss_mask == 0) |
||
| 919 | break;
|
||
| 920 | } |
||
| 921 | f0bc8449 | Carl Eugen Hoyos | return PIX_FMT_NONE;
|
| 922 | b6147995 | Fabrice Bellard | found:
|
| 923 | if (loss_ptr)
|
||
| 924 | *loss_ptr = avcodec_get_pix_fmt_loss(dst_pix_fmt, src_pix_fmt, has_alpha); |
||
| 925 | return dst_pix_fmt;
|
||
| 926 | } |
||
| 927 | |||
| 928 | 54009d42 | Michael Niedermayer | void ff_img_copy_plane(uint8_t *dst, int dst_wrap, |
| 929 | e352ff08 | Fabrice Bellard | const uint8_t *src, int src_wrap, |
| 930 | int width, int height) |
||
| 931 | 7e7e5940 | Fabrice Bellard | {
|
| 932 | 115329f1 | Diego Biurrun | if((!dst) || (!src))
|
| 933 | 5b2ad9f5 | Michael Niedermayer | return;
|
| 934 | 7e7e5940 | Fabrice Bellard | for(;height > 0; height--) { |
| 935 | memcpy(dst, src, width); |
||
| 936 | dst += dst_wrap; |
||
| 937 | src += src_wrap; |
||
| 938 | } |
||
| 939 | } |
||
| 940 | |||
| 941 | 6dd36490 | Vitor Sessak | int ff_get_plane_bytewidth(enum PixelFormat pix_fmt, int width, int plane) |
| 942 | 7e7e5940 | Fabrice Bellard | {
|
| 943 | 22ed53e5 | Vitor Sessak | int bits;
|
| 944 | 62a05b5b | Stefan Huehner | const PixFmtInfo *pf = &pix_fmt_info[pix_fmt];
|
| 945 | 14b903f3 | Stefano Sabatini | const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
|
| 946 | 115329f1 | Diego Biurrun | |
| 947 | 7e7e5940 | Fabrice Bellard | pf = &pix_fmt_info[pix_fmt]; |
| 948 | switch(pf->pixel_type) {
|
||
| 949 | case FF_PIXEL_PACKED:
|
||
| 950 | switch(pix_fmt) {
|
||
| 951 | 71e445fc | Diego Biurrun | case PIX_FMT_YUYV422:
|
| 952 | ebb177dd | Todd Kirby | case PIX_FMT_UYVY422:
|
| 953 | ffd38d8b | Alexis Ballier | case PIX_FMT_RGB565BE:
|
| 954 | case PIX_FMT_RGB565LE:
|
||
| 955 | case PIX_FMT_RGB555BE:
|
||
| 956 | case PIX_FMT_RGB555LE:
|
||
| 957 | case PIX_FMT_BGR565BE:
|
||
| 958 | case PIX_FMT_BGR565LE:
|
||
| 959 | case PIX_FMT_BGR555BE:
|
||
| 960 | case PIX_FMT_BGR555LE:
|
||
| 961 | 7e7e5940 | Fabrice Bellard | bits = 16;
|
| 962 | break;
|
||
| 963 | 71e445fc | Diego Biurrun | case PIX_FMT_UYYVYY411:
|
| 964 | bb270c08 | Diego Biurrun | bits = 12;
|
| 965 | break;
|
||
| 966 | 7e7e5940 | Fabrice Bellard | default:
|
| 967 | bits = pf->depth * pf->nb_channels; |
||
| 968 | break;
|
||
| 969 | } |
||
| 970 | 22ed53e5 | Vitor Sessak | return (width * bits + 7) >> 3; |
| 971 | break;
|
||
| 972 | case FF_PIXEL_PLANAR:
|
||
| 973 | if (plane == 1 || plane == 2) |
||
| 974 | 14b903f3 | Stefano Sabatini | width= -((-width)>>desc->log2_chroma_w); |
| 975 | 22ed53e5 | Vitor Sessak | |
| 976 | return (width * pf->depth + 7) >> 3; |
||
| 977 | break;
|
||
| 978 | case FF_PIXEL_PALETTE:
|
||
| 979 | if (plane == 0) |
||
| 980 | return width;
|
||
| 981 | 7e7e5940 | Fabrice Bellard | break;
|
| 982 | 22ed53e5 | Vitor Sessak | } |
| 983 | |||
| 984 | return -1; |
||
| 985 | } |
||
| 986 | |||
| 987 | void av_picture_copy(AVPicture *dst, const AVPicture *src, |
||
| 988 | a61ec8e7 | Stefano Sabatini | enum PixelFormat pix_fmt, int width, int height) |
| 989 | 22ed53e5 | Vitor Sessak | {
|
| 990 | int i;
|
||
| 991 | const PixFmtInfo *pf = &pix_fmt_info[pix_fmt];
|
||
| 992 | 14b903f3 | Stefano Sabatini | const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
|
| 993 | 22ed53e5 | Vitor Sessak | |
| 994 | switch(pf->pixel_type) {
|
||
| 995 | case FF_PIXEL_PACKED:
|
||
| 996 | 7e7e5940 | Fabrice Bellard | case FF_PIXEL_PLANAR:
|
| 997 | for(i = 0; i < pf->nb_channels; i++) { |
||
| 998 | bc48bb08 | Art Clarke | int h;
|
| 999 | 6dd36490 | Vitor Sessak | int bwidth = ff_get_plane_bytewidth(pix_fmt, width, i);
|
| 1000 | 7e7e5940 | Fabrice Bellard | h = height; |
| 1001 | if (i == 1 || i == 2) { |
||
| 1002 | 14b903f3 | Stefano Sabatini | h= -((-height)>>desc->log2_chroma_h); |
| 1003 | 7e7e5940 | Fabrice Bellard | } |
| 1004 | 54009d42 | Michael Niedermayer | ff_img_copy_plane(dst->data[i], dst->linesize[i], |
| 1005 | 7e7e5940 | Fabrice Bellard | src->data[i], src->linesize[i], |
| 1006 | bwidth, h); |
||
| 1007 | } |
||
| 1008 | break;
|
||
| 1009 | case FF_PIXEL_PALETTE:
|
||
| 1010 | 54009d42 | Michael Niedermayer | ff_img_copy_plane(dst->data[0], dst->linesize[0], |
| 1011 | 7e7e5940 | Fabrice Bellard | src->data[0], src->linesize[0], |
| 1012 | width, height); |
||
| 1013 | /* copy the palette */
|
||
| 1014 | 51ae2142 | Vitor Sessak | memcpy(dst->data[1], src->data[1], 4*256); |
| 1015 | 7e7e5940 | Fabrice Bellard | break;
|
| 1016 | } |
||
| 1017 | } |
||
| 1018 | 2a877875 | Fabrice Bellard | |
| 1019 | 85c242d8 | Fabrice Bellard | /* 2x2 -> 1x1 */
|
| 1020 | 54009d42 | Michael Niedermayer | void ff_shrink22(uint8_t *dst, int dst_wrap, |
| 1021 | e352ff08 | Fabrice Bellard | const uint8_t *src, int src_wrap, |
| 1022 | 85c242d8 | Fabrice Bellard | int width, int height) |
| 1023 | {
|
||
| 1024 | int w;
|
||
| 1025 | e352ff08 | Fabrice Bellard | const uint8_t *s1, *s2;
|
| 1026 | uint8_t *d; |
||
| 1027 | 85c242d8 | Fabrice Bellard | |
| 1028 | for(;height > 0; height--) { |
||
| 1029 | s1 = src; |
||
| 1030 | s2 = s1 + src_wrap; |
||
| 1031 | d = dst; |
||
| 1032 | for(w = width;w >= 4; w-=4) { |
||
| 1033 | 0a9ad8d1 | Fabrice Bellard | d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 2; |
| 1034 | d[1] = (s1[2] + s1[3] + s2[2] + s2[3] + 2) >> 2; |
||
| 1035 | d[2] = (s1[4] + s1[5] + s2[4] + s2[5] + 2) >> 2; |
||
| 1036 | d[3] = (s1[6] + s1[7] + s2[6] + s2[7] + 2) >> 2; |
||
| 1037 | 85c242d8 | Fabrice Bellard | s1 += 8;
|
| 1038 | s2 += 8;
|
||
| 1039 | d += 4;
|
||
| 1040 | } |
||
| 1041 | for(;w > 0; w--) { |
||
| 1042 | 0a9ad8d1 | Fabrice Bellard | d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 2; |
| 1043 | 85c242d8 | Fabrice Bellard | s1 += 2;
|
| 1044 | s2 += 2;
|
||
| 1045 | d++; |
||
| 1046 | } |
||
| 1047 | src += 2 * src_wrap;
|
||
| 1048 | dst += dst_wrap; |
||
| 1049 | } |
||
| 1050 | } |
||
| 1051 | |||
| 1052 | e352ff08 | Fabrice Bellard | /* 4x4 -> 1x1 */
|
| 1053 | 54009d42 | Michael Niedermayer | void ff_shrink44(uint8_t *dst, int dst_wrap, |
| 1054 | e352ff08 | Fabrice Bellard | const uint8_t *src, int src_wrap, |
| 1055 | 6742d95d | François Revol | int width, int height) |
| 1056 | {
|
||
| 1057 | int w;
|
||
| 1058 | e352ff08 | Fabrice Bellard | const uint8_t *s1, *s2, *s3, *s4;
|
| 1059 | uint8_t *d; |
||
| 1060 | 6742d95d | François Revol | |
| 1061 | for(;height > 0; height--) { |
||
| 1062 | s1 = src; |
||
| 1063 | e352ff08 | Fabrice Bellard | s2 = s1 + src_wrap; |
| 1064 | s3 = s2 + src_wrap; |
||
| 1065 | s4 = s3 + src_wrap; |
||
| 1066 | 6742d95d | François Revol | d = dst; |
| 1067 | e352ff08 | Fabrice Bellard | for(w = width;w > 0; w--) { |
| 1068 | d[0] = (s1[0] + s1[1] + s1[2] + s1[3] + |
||
| 1069 | s2[0] + s2[1] + s2[2] + s2[3] + |
||
| 1070 | s3[0] + s3[1] + s3[2] + s3[3] + |
||
| 1071 | s4[0] + s4[1] + s4[2] + s4[3] + 8) >> 4; |
||
| 1072 | s1 += 4;
|
||
| 1073 | s2 += 4;
|
||
| 1074 | s3 += 4;
|
||
| 1075 | s4 += 4;
|
||
| 1076 | 6742d95d | François Revol | d++; |
| 1077 | } |
||
| 1078 | e352ff08 | Fabrice Bellard | src += 4 * src_wrap;
|
| 1079 | dst += dst_wrap; |
||
| 1080 | } |
||
| 1081 | } |
||
| 1082 | |||
| 1083 | 54009d42 | Michael Niedermayer | /* 8x8 -> 1x1 */
|
| 1084 | void ff_shrink88(uint8_t *dst, int dst_wrap, |
||
| 1085 | const uint8_t *src, int src_wrap, |
||
| 1086 | int width, int height) |
||
| 1087 | {
|
||
| 1088 | int w, i;
|
||
| 1089 | |||
| 1090 | for(;height > 0; height--) { |
||
| 1091 | for(w = width;w > 0; w--) { |
||
| 1092 | int tmp=0; |
||
| 1093 | for(i=0; i<8; i++){ |
||
| 1094 | tmp += src[0] + src[1] + src[2] + src[3] + src[4] + src[5] + src[6] + src[7]; |
||
| 1095 | src += src_wrap; |
||
| 1096 | } |
||
| 1097 | *(dst++) = (tmp + 32)>>6; |
||
| 1098 | src += 8 - 8*src_wrap; |
||
| 1099 | } |
||
| 1100 | src += 8*src_wrap - 8*width; |
||
| 1101 | dst += dst_wrap - width; |
||
| 1102 | } |
||
| 1103 | } |
||
| 1104 | |||
| 1105 | 524c6b63 | Fabrice Bellard | |
| 1106 | 75917b88 | Drew Hess | int avpicture_alloc(AVPicture *picture,
|
| 1107 | a61ec8e7 | Stefano Sabatini | enum PixelFormat pix_fmt, int width, int height) |
| 1108 | 524c6b63 | Fabrice Bellard | {
|
| 1109 | 2d5545c3 | Reimar Döffinger | int size;
|
| 1110 | 524c6b63 | Fabrice Bellard | void *ptr;
|
| 1111 | |||
| 1112 | 899a8fa1 | Reimar Döffinger | size = avpicture_fill(picture, NULL, pix_fmt, width, height);
|
| 1113 | 0ecca7a4 | Michael Niedermayer | if(size<0) |
| 1114 | goto fail;
|
||
| 1115 | 524c6b63 | Fabrice Bellard | ptr = av_malloc(size); |
| 1116 | if (!ptr)
|
||
| 1117 | goto fail;
|
||
| 1118 | avpicture_fill(picture, ptr, pix_fmt, width, height); |
||
| 1119 | 6337178b | Michael Niedermayer | if(picture->data[1] && !picture->data[2]) |
| 1120 | ff_set_systematic_pal((uint32_t*)picture->data[1], pix_fmt);
|
||
| 1121 | |||
| 1122 | 524c6b63 | Fabrice Bellard | return 0; |
| 1123 | fail:
|
||
| 1124 | memset(picture, 0, sizeof(AVPicture)); |
||
| 1125 | return -1; |
||
| 1126 | } |
||
| 1127 | |||
| 1128 | 75917b88 | Drew Hess | void avpicture_free(AVPicture *picture)
|
| 1129 | 524c6b63 | Fabrice Bellard | {
|
| 1130 | 8e1e6f31 | Fabrice Bellard | av_free(picture->data[0]);
|
| 1131 | 524c6b63 | Fabrice Bellard | } |
| 1132 | |||
| 1133 | c50c0bc8 | Fabrice Bellard | /* return true if yuv planar */
|
| 1134 | 62a05b5b | Stefan Huehner | static inline int is_yuv_planar(const PixFmtInfo *ps) |
| 1135 | c50c0bc8 | Fabrice Bellard | {
|
| 1136 | return (ps->color_type == FF_COLOR_YUV ||
|
||
| 1137 | 115329f1 | Diego Biurrun | ps->color_type == FF_COLOR_YUV_JPEG) && |
| 1138 | 7e7e5940 | Fabrice Bellard | ps->pixel_type == FF_PIXEL_PLANAR; |
| 1139 | c50c0bc8 | Fabrice Bellard | } |
| 1140 | |||
| 1141 | 636d6a4a | Panagiotis Issaris | int av_picture_crop(AVPicture *dst, const AVPicture *src, |
| 1142 | 4a30fff6 | Måns Rullgård | enum PixelFormat pix_fmt, int top_band, int left_band) |
| 1143 | f2651e7a | Baptiste Coudurier | {
|
| 1144 | int y_shift;
|
||
| 1145 | int x_shift;
|
||
| 1146 | |||
| 1147 | if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB || !is_yuv_planar(&pix_fmt_info[pix_fmt])) |
||
| 1148 | return -1; |
||
| 1149 | |||
| 1150 | 14b903f3 | Stefano Sabatini | y_shift = av_pix_fmt_descriptors[pix_fmt].log2_chroma_h; |
| 1151 | x_shift = av_pix_fmt_descriptors[pix_fmt].log2_chroma_w; |
||
| 1152 | f2651e7a | Baptiste Coudurier | |
| 1153 | dst->data[0] = src->data[0] + (top_band * src->linesize[0]) + left_band; |
||
| 1154 | dst->data[1] = src->data[1] + ((top_band >> y_shift) * src->linesize[1]) + (left_band >> x_shift); |
||
| 1155 | dst->data[2] = src->data[2] + ((top_band >> y_shift) * src->linesize[2]) + (left_band >> x_shift); |
||
| 1156 | |||
| 1157 | dst->linesize[0] = src->linesize[0]; |
||
| 1158 | dst->linesize[1] = src->linesize[1]; |
||
| 1159 | dst->linesize[2] = src->linesize[2]; |
||
| 1160 | return 0; |
||
| 1161 | } |
||
| 1162 | |||
| 1163 | 636d6a4a | Panagiotis Issaris | int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width, |
| 1164 | a61ec8e7 | Stefano Sabatini | enum PixelFormat pix_fmt, int padtop, int padbottom, int padleft, int padright, |
| 1165 | 6845801f | Luca Barbato | int *color)
|
| 1166 | 5341c209 | Luca Abeni | {
|
| 1167 | 79acfb0e | Luca Barbato | uint8_t *optr; |
| 1168 | 5341c209 | Luca Abeni | int y_shift;
|
| 1169 | int x_shift;
|
||
| 1170 | int yheight;
|
||
| 1171 | int i, y;
|
||
| 1172 | |||
| 1173 | 6845801f | Luca Barbato | if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB || |
| 1174 | !is_yuv_planar(&pix_fmt_info[pix_fmt])) return -1; |
||
| 1175 | 5341c209 | Luca Abeni | |
| 1176 | for (i = 0; i < 3; i++) { |
||
| 1177 | 14b903f3 | Stefano Sabatini | x_shift = i ? av_pix_fmt_descriptors[pix_fmt].log2_chroma_w : 0;
|
| 1178 | y_shift = i ? av_pix_fmt_descriptors[pix_fmt].log2_chroma_h : 0;
|
||
| 1179 | 5341c209 | Luca Abeni | |
| 1180 | if (padtop || padleft) {
|
||
| 1181 | 6845801f | Luca Barbato | memset(dst->data[i], color[i], |
| 1182 | dst->linesize[i] * (padtop >> y_shift) + (padleft >> x_shift)); |
||
| 1183 | 5341c209 | Luca Abeni | } |
| 1184 | |||
| 1185 | 79acfb0e | Luca Barbato | if (padleft || padright) {
|
| 1186 | optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) + |
||
| 1187 | (dst->linesize[i] - (padright >> x_shift)); |
||
| 1188 | yheight = (height - 1 - (padtop + padbottom)) >> y_shift;
|
||
| 1189 | for (y = 0; y < yheight; y++) { |
||
| 1190 | memset(optr, color[i], (padleft + padright) >> x_shift); |
||
| 1191 | optr += dst->linesize[i]; |
||
| 1192 | 5341c209 | Luca Abeni | } |
| 1193 | 79acfb0e | Luca Barbato | } |
| 1194 | |||
| 1195 | if (src) { /* first line */ |
||
| 1196 | uint8_t *iptr = src->data[i]; |
||
| 1197 | optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) + |
||
| 1198 | (padleft >> x_shift); |
||
| 1199 | 1be97a21 | Baptiste Coudurier | memcpy(optr, iptr, (width - padleft - padright) >> x_shift); |
| 1200 | 79acfb0e | Luca Barbato | iptr += src->linesize[i]; |
| 1201 | 6845801f | Luca Barbato | optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) + |
| 1202 | (dst->linesize[i] - (padright >> x_shift)); |
||
| 1203 | 5341c209 | Luca Abeni | yheight = (height - 1 - (padtop + padbottom)) >> y_shift;
|
| 1204 | for (y = 0; y < yheight; y++) { |
||
| 1205 | memset(optr, color[i], (padleft + padright) >> x_shift); |
||
| 1206 | 79acfb0e | Luca Barbato | memcpy(optr + ((padleft + padright) >> x_shift), iptr, |
| 1207 | 1be97a21 | Baptiste Coudurier | (width - padleft - padright) >> x_shift); |
| 1208 | 79acfb0e | Luca Barbato | iptr += src->linesize[i]; |
| 1209 | 5341c209 | Luca Abeni | optr += dst->linesize[i]; |
| 1210 | } |
||
| 1211 | } |
||
| 1212 | |||
| 1213 | if (padbottom || padright) {
|
||
| 1214 | 6845801f | Luca Barbato | optr = dst->data[i] + dst->linesize[i] * |
| 1215 | ((height - padbottom) >> y_shift) - (padright >> x_shift); |
||
| 1216 | memset(optr, color[i],dst->linesize[i] * |
||
| 1217 | (padbottom >> y_shift) + (padright >> x_shift)); |
||
| 1218 | 5341c209 | Luca Abeni | } |
| 1219 | } |
||
| 1220 | return 0; |
||
| 1221 | } |
||
| 1222 | |||
| 1223 | 0469baf1 | Fabrice Bellard | /* NOTE: we scan all the pixels to have an exact information */
|
| 1224 | da64ecc3 | Drew Hess | static int get_alpha_info_pal8(const AVPicture *src, int width, int height) |
| 1225 | 0469baf1 | Fabrice Bellard | {
|
| 1226 | const unsigned char *p; |
||
| 1227 | int src_wrap, ret, x, y;
|
||
| 1228 | unsigned int a; |
||
| 1229 | uint32_t *palette = (uint32_t *)src->data[1];
|
||
| 1230 | 115329f1 | Diego Biurrun | |
| 1231 | 0469baf1 | Fabrice Bellard | p = src->data[0];
|
| 1232 | src_wrap = src->linesize[0] - width;
|
||
| 1233 | ret = 0;
|
||
| 1234 | for(y=0;y<height;y++) { |
||
| 1235 | for(x=0;x<width;x++) { |
||
| 1236 | a = palette[p[0]] >> 24; |
||
| 1237 | if (a == 0x00) { |
||
| 1238 | ret |= FF_ALPHA_TRANSP; |
||
| 1239 | } else if (a != 0xff) { |
||
| 1240 | ret |= FF_ALPHA_SEMI_TRANSP; |
||
| 1241 | } |
||
| 1242 | p++; |
||
| 1243 | } |
||
| 1244 | p += src_wrap; |
||
| 1245 | } |
||
| 1246 | return ret;
|
||
| 1247 | } |
||
| 1248 | |||
| 1249 | da64ecc3 | Drew Hess | int img_get_alpha_info(const AVPicture *src, |
| 1250 | a61ec8e7 | Stefano Sabatini | enum PixelFormat pix_fmt, int width, int height) |
| 1251 | 0469baf1 | Fabrice Bellard | {
|
| 1252 | 62a05b5b | Stefan Huehner | const PixFmtInfo *pf = &pix_fmt_info[pix_fmt];
|
| 1253 | 0469baf1 | Fabrice Bellard | int ret;
|
| 1254 | |||
| 1255 | /* no alpha can be represented in format */
|
||
| 1256 | if (!pf->is_alpha)
|
||
| 1257 | return 0; |
||
| 1258 | switch(pix_fmt) {
|
||
| 1259 | case PIX_FMT_PAL8:
|
||
| 1260 | ret = get_alpha_info_pal8(src, width, height); |
||
| 1261 | break;
|
||
| 1262 | default:
|
||
| 1263 | /* we do not know, so everything is indicated */
|
||
| 1264 | ret = FF_ALPHA_TRANSP | FF_ALPHA_SEMI_TRANSP; |
||
| 1265 | break;
|
||
| 1266 | } |
||
| 1267 | return ret;
|
||
| 1268 | } |
||
| 1269 | 5981f4e6 | Fred | |
| 1270 | b250f9c6 | Aurelien Jacobs | #if HAVE_MMX
|
| 1271 | 5981f4e6 | Fred | #define DEINT_INPLACE_LINE_LUM \
|
| 1272 | movd_m2r(lum_m4[0],mm0);\
|
||
| 1273 | movd_m2r(lum_m3[0],mm1);\
|
||
| 1274 | movd_m2r(lum_m2[0],mm2);\
|
||
| 1275 | movd_m2r(lum_m1[0],mm3);\
|
||
| 1276 | movd_m2r(lum[0],mm4);\
|
||
| 1277 | punpcklbw_r2r(mm7,mm0);\ |
||
| 1278 | movd_r2m(mm2,lum_m4[0]);\
|
||
| 1279 | punpcklbw_r2r(mm7,mm1);\ |
||
| 1280 | punpcklbw_r2r(mm7,mm2);\ |
||
| 1281 | punpcklbw_r2r(mm7,mm3);\ |
||
| 1282 | punpcklbw_r2r(mm7,mm4);\ |
||
| 1283 | paddw_r2r(mm3,mm1);\ |
||
| 1284 | psllw_i2r(1,mm2);\
|
||
| 1285 | paddw_r2r(mm4,mm0);\ |
||
| 1286 | psllw_i2r(2,mm1);\
|
||
| 1287 | paddw_r2r(mm6,mm2);\ |
||
| 1288 | paddw_r2r(mm2,mm1);\ |
||
| 1289 | psubusw_r2r(mm0,mm1);\ |
||
| 1290 | psrlw_i2r(3,mm1);\
|
||
| 1291 | packuswb_r2r(mm7,mm1);\ |
||
| 1292 | movd_r2m(mm1,lum_m2[0]);
|
||
| 1293 | |||
| 1294 | #define DEINT_LINE_LUM \
|
||
| 1295 | movd_m2r(lum_m4[0],mm0);\
|
||
| 1296 | movd_m2r(lum_m3[0],mm1);\
|
||
| 1297 | movd_m2r(lum_m2[0],mm2);\
|
||
| 1298 | movd_m2r(lum_m1[0],mm3);\
|
||
| 1299 | movd_m2r(lum[0],mm4);\
|
||
| 1300 | punpcklbw_r2r(mm7,mm0);\ |
||
| 1301 | punpcklbw_r2r(mm7,mm1);\ |
||
| 1302 | punpcklbw_r2r(mm7,mm2);\ |
||
| 1303 | punpcklbw_r2r(mm7,mm3);\ |
||
| 1304 | punpcklbw_r2r(mm7,mm4);\ |
||
| 1305 | paddw_r2r(mm3,mm1);\ |
||
| 1306 | psllw_i2r(1,mm2);\
|
||
| 1307 | paddw_r2r(mm4,mm0);\ |
||
| 1308 | psllw_i2r(2,mm1);\
|
||
| 1309 | paddw_r2r(mm6,mm2);\ |
||
| 1310 | paddw_r2r(mm2,mm1);\ |
||
| 1311 | psubusw_r2r(mm0,mm1);\ |
||
| 1312 | psrlw_i2r(3,mm1);\
|
||
| 1313 | packuswb_r2r(mm7,mm1);\ |
||
| 1314 | movd_r2m(mm1,dst[0]);
|
||
| 1315 | #endif
|
||
| 1316 | |||
| 1317 | 85c242d8 | Fabrice Bellard | /* filter parameters: [-1 4 2 4 -1] // 8 */
|
| 1318 | 115329f1 | Diego Biurrun | static void deinterlace_line(uint8_t *dst, |
| 1319 | bb270c08 | Diego Biurrun | const uint8_t *lum_m4, const uint8_t *lum_m3, |
| 1320 | const uint8_t *lum_m2, const uint8_t *lum_m1, |
||
| 1321 | const uint8_t *lum,
|
||
| 1322 | int size)
|
||
| 1323 | 85c242d8 | Fabrice Bellard | {
|
| 1324 | b250f9c6 | Aurelien Jacobs | #if !HAVE_MMX
|
| 1325 | 55fde95e | Måns Rullgård | uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; |
| 1326 | 85c242d8 | Fabrice Bellard | int sum;
|
| 1327 | |||
| 1328 | for(;size > 0;size--) { |
||
| 1329 | 5981f4e6 | Fred | sum = -lum_m4[0];
|
| 1330 | sum += lum_m3[0] << 2; |
||
| 1331 | sum += lum_m2[0] << 1; |
||
| 1332 | sum += lum_m1[0] << 2; |
||
| 1333 | sum += -lum[0];
|
||
| 1334 | 85c242d8 | Fabrice Bellard | dst[0] = cm[(sum + 4) >> 3]; |
| 1335 | 5981f4e6 | Fred | lum_m4++; |
| 1336 | lum_m3++; |
||
| 1337 | lum_m2++; |
||
| 1338 | lum_m1++; |
||
| 1339 | lum++; |
||
| 1340 | 85c242d8 | Fabrice Bellard | dst++; |
| 1341 | } |
||
| 1342 | 5981f4e6 | Fred | #else
|
| 1343 | |||
| 1344 | 782c5984 | Michael Niedermayer | {
|
| 1345 | pxor_r2r(mm7,mm7); |
||
| 1346 | d08ea32c | Aurelien Jacobs | movq_m2r(ff_pw_4,mm6); |
| 1347 | 782c5984 | Michael Niedermayer | } |
| 1348 | 5981f4e6 | Fred | for (;size > 3; size-=4) { |
| 1349 | DEINT_LINE_LUM |
||
| 1350 | lum_m4+=4;
|
||
| 1351 | lum_m3+=4;
|
||
| 1352 | lum_m2+=4;
|
||
| 1353 | lum_m1+=4;
|
||
| 1354 | lum+=4;
|
||
| 1355 | dst+=4;
|
||
| 1356 | } |
||
| 1357 | #endif
|
||
| 1358 | } |
||
| 1359 | 0c1a9eda | Zdenek Kabelac | static void deinterlace_line_inplace(uint8_t *lum_m4, uint8_t *lum_m3, uint8_t *lum_m2, uint8_t *lum_m1, uint8_t *lum, |
| 1360 | 5981f4e6 | Fred | int size)
|
| 1361 | {
|
||
| 1362 | b250f9c6 | Aurelien Jacobs | #if !HAVE_MMX
|
| 1363 | 55fde95e | Måns Rullgård | uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; |
| 1364 | 5981f4e6 | Fred | int sum;
|
| 1365 | |||
| 1366 | for(;size > 0;size--) { |
||
| 1367 | sum = -lum_m4[0];
|
||
| 1368 | sum += lum_m3[0] << 2; |
||
| 1369 | sum += lum_m2[0] << 1; |
||
| 1370 | lum_m4[0]=lum_m2[0]; |
||
| 1371 | sum += lum_m1[0] << 2; |
||
| 1372 | sum += -lum[0];
|
||
| 1373 | lum_m2[0] = cm[(sum + 4) >> 3]; |
||
| 1374 | lum_m4++; |
||
| 1375 | lum_m3++; |
||
| 1376 | lum_m2++; |
||
| 1377 | lum_m1++; |
||
| 1378 | lum++; |
||
| 1379 | } |
||
| 1380 | #else
|
||
| 1381 | |||
| 1382 | 782c5984 | Michael Niedermayer | {
|
| 1383 | pxor_r2r(mm7,mm7); |
||
| 1384 | d08ea32c | Aurelien Jacobs | movq_m2r(ff_pw_4,mm6); |
| 1385 | 782c5984 | Michael Niedermayer | } |
| 1386 | 5981f4e6 | Fred | for (;size > 3; size-=4) { |
| 1387 | DEINT_INPLACE_LINE_LUM |
||
| 1388 | lum_m4+=4;
|
||
| 1389 | lum_m3+=4;
|
||
| 1390 | lum_m2+=4;
|
||
| 1391 | lum_m1+=4;
|
||
| 1392 | lum+=4;
|
||
| 1393 | } |
||
| 1394 | #endif
|
||
| 1395 | 85c242d8 | Fabrice Bellard | } |
| 1396 | |||
| 1397 | /* deinterlacing : 2 temporal taps, 3 spatial taps linear filter. The
|
||
| 1398 | top field is copied as is, but the bottom field is deinterlaced
|
||
| 1399 | against the top field. */
|
||
| 1400 | 0c1a9eda | Zdenek Kabelac | static void deinterlace_bottom_field(uint8_t *dst, int dst_wrap, |
| 1401 | da64ecc3 | Drew Hess | const uint8_t *src1, int src_wrap, |
| 1402 | 5981f4e6 | Fred | int width, int height) |
| 1403 | 85c242d8 | Fabrice Bellard | {
|
| 1404 | da64ecc3 | Drew Hess | const uint8_t *src_m2, *src_m1, *src_0, *src_p1, *src_p2;
|
| 1405 | 5981f4e6 | Fred | int y;
|
| 1406 | |||
| 1407 | src_m2 = src1; |
||
| 1408 | src_m1 = src1; |
||
| 1409 | src_0=&src_m1[src_wrap]; |
||
| 1410 | src_p1=&src_0[src_wrap]; |
||
| 1411 | src_p2=&src_p1[src_wrap]; |
||
| 1412 | for(y=0;y<(height-2);y+=2) { |
||
| 1413 | memcpy(dst,src_m1,width); |
||
| 1414 | 85c242d8 | Fabrice Bellard | dst += dst_wrap; |
| 1415 | 5981f4e6 | Fred | deinterlace_line(dst,src_m2,src_m1,src_0,src_p1,src_p2,width); |
| 1416 | src_m2 = src_0; |
||
| 1417 | src_m1 = src_p1; |
||
| 1418 | src_0 = src_p2; |
||
| 1419 | src_p1 += 2*src_wrap;
|
||
| 1420 | src_p2 += 2*src_wrap;
|
||
| 1421 | 85c242d8 | Fabrice Bellard | dst += dst_wrap; |
| 1422 | } |
||
| 1423 | 5981f4e6 | Fred | memcpy(dst,src_m1,width); |
| 1424 | dst += dst_wrap; |
||
| 1425 | /* do last line */
|
||
| 1426 | deinterlace_line(dst,src_m2,src_m1,src_0,src_0,src_0,width); |
||
| 1427 | } |
||
| 1428 | |||
| 1429 | 0c1a9eda | Zdenek Kabelac | static void deinterlace_bottom_field_inplace(uint8_t *src1, int src_wrap, |
| 1430 | bb270c08 | Diego Biurrun | int width, int height) |
| 1431 | 5981f4e6 | Fred | {
|
| 1432 | 0c1a9eda | Zdenek Kabelac | uint8_t *src_m1, *src_0, *src_p1, *src_p2; |
| 1433 | 5981f4e6 | Fred | int y;
|
| 1434 | 0c1a9eda | Zdenek Kabelac | uint8_t *buf; |
| 1435 | buf = (uint8_t*)av_malloc(width); |
||
| 1436 | 5981f4e6 | Fred | |
| 1437 | src_m1 = src1; |
||
| 1438 | memcpy(buf,src_m1,width); |
||
| 1439 | src_0=&src_m1[src_wrap]; |
||
| 1440 | src_p1=&src_0[src_wrap]; |
||
| 1441 | src_p2=&src_p1[src_wrap]; |
||
| 1442 | for(y=0;y<(height-2);y+=2) { |
||
| 1443 | deinterlace_line_inplace(buf,src_m1,src_0,src_p1,src_p2,width); |
||
| 1444 | src_m1 = src_p1; |
||
| 1445 | src_0 = src_p2; |
||
| 1446 | src_p1 += 2*src_wrap;
|
||
| 1447 | src_p2 += 2*src_wrap;
|
||
| 1448 | } |
||
| 1449 | /* do last line */
|
||
| 1450 | deinterlace_line_inplace(buf,src_m1,src_0,src_0,src_0,width); |
||
| 1451 | 6000abfa | Fabrice Bellard | av_free(buf); |
| 1452 | 85c242d8 | Fabrice Bellard | } |
| 1453 | |||
| 1454 | da64ecc3 | Drew Hess | int avpicture_deinterlace(AVPicture *dst, const AVPicture *src, |
| 1455 | a61ec8e7 | Stefano Sabatini | enum PixelFormat pix_fmt, int width, int height) |
| 1456 | de6d9b64 | Fabrice Bellard | {
|
| 1457 | 85c242d8 | Fabrice Bellard | int i;
|
| 1458 | |||
| 1459 | if (pix_fmt != PIX_FMT_YUV420P &&
|
||
| 1460 | pix_fmt != PIX_FMT_YUV422P && |
||
| 1461 | 47017dd8 | Roman Shaposhnik | pix_fmt != PIX_FMT_YUV444P && |
| 1462 | 2a7feb18 | Andrea Gualano | pix_fmt != PIX_FMT_YUV411P && |
| 1463 | pix_fmt != PIX_FMT_GRAY8) |
||
| 1464 | 85c242d8 | Fabrice Bellard | return -1; |
| 1465 | 5981f4e6 | Fred | if ((width & 3) != 0 || (height & 3) != 0) |
| 1466 | 85c242d8 | Fabrice Bellard | return -1; |
| 1467 | 5981f4e6 | Fred | |
| 1468 | 85c242d8 | Fabrice Bellard | for(i=0;i<3;i++) { |
| 1469 | if (i == 1) { |
||
| 1470 | switch(pix_fmt) {
|
||
| 1471 | case PIX_FMT_YUV420P:
|
||
| 1472 | width >>= 1;
|
||
| 1473 | height >>= 1;
|
||
| 1474 | break;
|
||
| 1475 | case PIX_FMT_YUV422P:
|
||
| 1476 | width >>= 1;
|
||
| 1477 | break;
|
||
| 1478 | 47017dd8 | Roman Shaposhnik | case PIX_FMT_YUV411P:
|
| 1479 | width >>= 2;
|
||
| 1480 | break;
|
||
| 1481 | 85c242d8 | Fabrice Bellard | default:
|
| 1482 | break;
|
||
| 1483 | } |
||
| 1484 | 2a7feb18 | Andrea Gualano | if (pix_fmt == PIX_FMT_GRAY8) {
|
| 1485 | break;
|
||
| 1486 | } |
||
| 1487 | 85c242d8 | Fabrice Bellard | } |
| 1488 | 5981f4e6 | Fred | if (src == dst) {
|
| 1489 | da64ecc3 | Drew Hess | deinterlace_bottom_field_inplace(dst->data[i], dst->linesize[i], |
| 1490 | 85c242d8 | Fabrice Bellard | width, height); |
| 1491 | 5981f4e6 | Fred | } else {
|
| 1492 | deinterlace_bottom_field(dst->data[i],dst->linesize[i], |
||
| 1493 | src->data[i], src->linesize[i], |
||
| 1494 | width, height); |
||
| 1495 | } |
||
| 1496 | de6d9b64 | Fabrice Bellard | } |
| 1497 | 55ffe9df | Ronald S. Bultje | emms_c(); |
| 1498 | 85c242d8 | Fabrice Bellard | return 0; |
| 1499 | de6d9b64 | Fabrice Bellard | } |