/* * QuickTime palette handling * Copyright (c) 2001 Fabrice Bellard * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com> * Copyright (c) 2015 Mats Peterson * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include <stdio.h> #include <stdint.h> #include "libavcodec/codec_id.h" #include "avio.h" #include "qtpalette.h" static const uint8_t qt_default_palette_2[2 * 3] = { 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00 }; /* From a screenshot of the "Monitors & Sound" control panel in Mac OS 7.5.5 */ static const uint8_t qt_default_palette_4[4 * 3] = { 0xFF, 0xFF, 0xFF, 0xAC, 0xAC, 0xAC, 0x55, 0x55, 0x55, 0x00, 0x00, 0x00 }; /* From a screenshot of the "Monitors & Sound" control panel in Mac OS 7.5.5 */ static const uint8_t qt_default_palette_16[16 * 3] = { 0xFF, 0xFF, 0xFF, 0xFC, 0xF3, 0x05, 0xFF, 0x64, 0x02, 0xDD, 0x08, 0x06, 0xF2, 0x08, 0x84, 0x46, 0x00, 0xA5, 0x00, 0x00, 0xD4, 0x02, 0xAB, 0xEA, 0x1F, 0xB7, 0x14, 0x00, 0x64, 0x11, 0x56, 0x2C, 0x05, 0x90, 0x71, 0x3A, 0xC0, 0xC0, 0xC0, 0x80, 0x80, 0x80, 0x40, 0x40, 0x40, 0x00, 0x00, 0x00 }; static const uint8_t qt_default_palette_256[256 * 3] = { /* 0, 0x00 */ 0xFF, 0xFF, 0xFF, /* 1, 0x01 */ 0xFF, 0xFF, 0xCC, /* 2, 0x02 */ 0xFF, 0xFF, 0x99, /* 3, 0x03 */ 0xFF, 0xFF, 0x66, /* 4, 0x04 */ 0xFF, 0xFF, 0x33, /* 5, 0x05 */ 0xFF, 0xFF, 0x00, /* 6, 0x06 */ 0xFF, 0xCC, 0xFF, /* 7, 0x07 */ 0xFF, 0xCC, 0xCC, /* 8, 0x08 */ 0xFF, 0xCC, 0x99, /* 9, 0x09 */ 0xFF, 0xCC, 0x66, /* 10, 0x0A */ 0xFF, 0xCC, 0x33, /* 11, 0x0B */ 0xFF, 0xCC, 0x00, /* 12, 0x0C */ 0xFF, 0x99, 0xFF, /* 13, 0x0D */ 0xFF, 0x99, 0xCC, /* 14, 0x0E */ 0xFF, 0x99, 0x99, /* 15, 0x0F */ 0xFF, 0x99, 0x66, /* 16, 0x10 */ 0xFF, 0x99, 0x33, /* 17, 0x11 */ 0xFF, 0x99, 0x00, /* 18, 0x12 */ 0xFF, 0x66, 0xFF, /* 19, 0x13 */ 0xFF, 0x66, 0xCC, /* 20, 0x14 */ 0xFF, 0x66, 0x99, /* 21, 0x15 */ 0xFF, 0x66, 0x66, /* 22, 0x16 */ 0xFF, 0x66, 0x33, /* 23, 0x17 */ 0xFF, 0x66, 0x00, /* 24, 0x18 */ 0xFF, 0x33, 0xFF, /* 25, 0x19 */ 0xFF, 0x33, 0xCC, /* 26, 0x1A */ 0xFF, 0x33, 0x99, /* 27, 0x1B */ 0xFF, 0x33, 0x66, /* 28, 0x1C */ 0xFF, 0x33, 0x33, /* 29, 0x1D */ 0xFF, 0x33, 0x00, /* 30, 0x1E */ 0xFF, 0x00, 0xFF, /* 31, 0x1F */ 0xFF, 0x00, 0xCC, /* 32, 0x20 */ 0xFF, 0x00, 0x99, /* 33, 0x21 */ 0xFF, 0x00, 0x66, /* 34, 0x22 */ 0xFF, 0x00, 0x33, /* 35, 0x23 */ 0xFF, 0x00, 0x00, /* 36, 0x24 */ 0xCC, 0xFF, 0xFF, /* 37, 0x25 */ 0xCC, 0xFF, 0xCC, /* 38, 0x26 */ 0xCC, 0xFF, 0x99, /* 39, 0x27 */ 0xCC, 0xFF, 0x66, /* 40, 0x28 */ 0xCC, 0xFF, 0x33, /* 41, 0x29 */ 0xCC, 0xFF, 0x00, /* 42, 0x2A */ 0xCC, 0xCC, 0xFF, /* 43, 0x2B */ 0xCC, 0xCC, 0xCC, /* 44, 0x2C */ 0xCC, 0xCC, 0x99, /* 45, 0x2D */ 0xCC, 0xCC, 0x66, /* 46, 0x2E */ 0xCC, 0xCC, 0x33, /* 47, 0x2F */ 0xCC, 0xCC, 0x00, /* 48, 0x30 */ 0xCC, 0x99, 0xFF, /* 49, 0x31 */ 0xCC, 0x99, 0xCC, /* 50, 0x32 */ 0xCC, 0x99, 0x99, /* 51, 0x33 */ 0xCC, 0x99, 0x66, /* 52, 0x34 */ 0xCC, 0x99, 0x33, /* 53, 0x35 */ 0xCC, 0x99, 0x00, /* 54, 0x36 */ 0xCC, 0x66, 0xFF, /* 55, 0x37 */ 0xCC, 0x66, 0xCC, /* 56, 0x38 */ 0xCC, 0x66, 0x99, /* 57, 0x39 */ 0xCC, 0x66, 0x66, /* 58, 0x3A */ 0xCC, 0x66, 0x33, /* 59, 0x3B */ 0xCC, 0x66, 0x00, /* 60, 0x3C */ 0xCC, 0x33, 0xFF, /* 61, 0x3D */ 0xCC, 0x33, 0xCC, /* 62, 0x3E */ 0xCC, 0x33, 0x99, /* 63, 0x3F */ 0xCC, 0x33, 0x66, /* 64, 0x40 */ 0xCC, 0x33, 0x33, /* 65, 0x41 */ 0xCC, 0x33, 0x00, /* 66, 0x42 */ 0xCC, 0x00, 0xFF, /* 67, 0x43 */ 0xCC, 0x00, 0xCC, /* 68, 0x44 */ 0xCC, 0x00, 0x99, /* 69, 0x45 */ 0xCC, 0x00, 0x66, /* 70, 0x46 */ 0xCC, 0x00, 0x33, /* 71, 0x47 */ 0xCC, 0x00, 0x00, /* 72, 0x48 */ 0x99, 0xFF, 0xFF, /* 73, 0x49 */ 0x99, 0xFF, 0xCC, /* 74, 0x4A */ 0x99, 0xFF, 0x99, /* 75, 0x4B */ 0x99, 0xFF, 0x66, /* 76, 0x4C */ 0x99, 0xFF, 0x33, /* 77, 0x4D */ 0x99, 0xFF, 0x00, /* 78, 0x4E */ 0x99, 0xCC, 0xFF, /* 79, 0x4F */ 0x99, 0xCC, 0xCC, /* 80, 0x50 */ 0x99, 0xCC, 0x99, /* 81, 0x51 */ 0x99, 0xCC, 0x66, /* 82, 0x52 */ 0x99, 0xCC, 0x33, /* 83, 0x53 */ 0x99, 0xCC, 0x00, /* 84, 0x54 */ 0x99, 0x99, 0xFF, /* 85, 0x55 */ 0x99, 0x99, 0xCC, /* 86, 0x56 */ 0x99, 0x99, 0x99, /* 87, 0x57 */ 0x99, 0x99, 0x66, /* 88, 0x58 */ 0x99, 0x99, 0x33, /* 89, 0x59 */ 0x99, 0x99, 0x00, /* 90, 0x5A */ 0x99, 0x66, 0xFF, /* 91, 0x5B */ 0x99, 0x66, 0xCC, /* 92, 0x5C */ 0x99, 0x66, 0x99, /* 93, 0x5D */ 0x99, 0x66, 0x66, /* 94, 0x5E */ 0x99, 0x66, 0x33, /* 95, 0x5F */ 0x99, 0x66, 0x00, /* 96, 0x60 */ 0x99, 0x33, 0xFF, /* 97, 0x61 */ 0x99, 0x33, 0xCC, /* 98, 0x62 */ 0x99, 0x33, 0x99, /* 99, 0x63 */ 0x99, 0x33, 0x66, /* 100, 0x64 */ 0x99, 0x33, 0x33, /* 101, 0x65 */ 0x99, 0x33, 0x00, /* 102, 0x66 */ 0x99, 0x00, 0xFF, /* 103, 0x67 */ 0x99, 0x00, 0xCC, /* 104, 0x68 */ 0x99, 0x00, 0x99, /* 105, 0x69 */ 0x99, 0x00, 0x66, /* 106, 0x6A */ 0x99, 0x00, 0x33, /* 107, 0x6B */ 0x99, 0x00, 0x00, /* 108, 0x6C */ 0x66, 0xFF, 0xFF, /* 109, 0x6D */ 0x66, 0xFF, 0xCC, /* 110, 0x6E */ 0x66, 0xFF, 0x99, /* 111, 0x6F */ 0x66, 0xFF, 0x66, /* 112, 0x70 */ 0x66, 0xFF, 0x33, /* 113, 0x71 */ 0x66, 0xFF, 0x00, /* 114, 0x72 */ 0x66, 0xCC, 0xFF, /* 115, 0x73 */ 0x66, 0xCC, 0xCC, /* 116, 0x74 */ 0x66, 0xCC, 0x99, /* 117, 0x75 */ 0x66, 0xCC, 0x66, /* 118, 0x76 */ 0x66, 0xCC, 0x33, /* 119, 0x77 */ 0x66, 0xCC, 0x00, /* 120, 0x78 */ 0x66, 0x99, 0xFF, /* 121, 0x79 */ 0x66, 0x99, 0xCC, /* 122, 0x7A */ 0x66, 0x99, 0x99, /* 123, 0x7B */ 0x66, 0x99, 0x66, /* 124, 0x7C */ 0x66, 0x99, 0x33, /* 125, 0x7D */ 0x66, 0x99, 0x00, /* 126, 0x7E */ 0x66, 0x66, 0xFF, /* 127, 0x7F */ 0x66, 0x66, 0xCC, /* 128, 0x80 */ 0x66, 0x66, 0x99, /* 129, 0x81 */ 0x66, 0x66, 0x66, /* 130, 0x82 */ 0x66, 0x66, 0x33, /* 131, 0x83 */ 0x66, 0x66, 0x00, /* 132, 0x84 */ 0x66, 0x33, 0xFF, /* 133, 0x85 */ 0x66, 0x33, 0xCC, /* 134, 0x86 */ 0x66, 0x33, 0x99, /* 135, 0x87 */ 0x66, 0x33, 0x66, /* 136, 0x88 */ 0x66, 0x33, 0x33, /* 137, 0x89 */ 0x66, 0x33, 0x00, /* 138, 0x8A */ 0x66, 0x00, 0xFF, /* 139, 0x8B */ 0x66, 0x00, 0xCC, /* 140, 0x8C */ 0x66, 0x00, 0x99, /* 141, 0x8D */ 0x66, 0x00, 0x66, /* 142, 0x8E */ 0x66, 0x00, 0x33, /* 143, 0x8F */ 0x66, 0x00, 0x00, /* 144, 0x90 */ 0x33, 0xFF, 0xFF, /* 145, 0x91 */ 0x33, 0xFF, 0xCC, /* 146, 0x92 */ 0x33, 0xFF, 0x99, /* 147, 0x93 */ 0x33, 0xFF, 0x66, /* 148, 0x94 */ 0x33, 0xFF, 0x33, /* 149, 0x95 */ 0x33, 0xFF, 0x00, /* 150, 0x96 */ 0x33, 0xCC, 0xFF, /* 151, 0x97 */ 0x33, 0xCC, 0xCC, /* 152, 0x98 */ 0x33, 0xCC, 0x99, /* 153, 0x99 */ 0x33, 0xCC, 0x66, /* 154, 0x9A */ 0x33, 0xCC, 0x33, /* 155, 0x9B */ 0x33, 0xCC, 0x00, /* 156, 0x9C */ 0x33, 0x99, 0xFF, /* 157, 0x9D */ 0x33, 0x99, 0xCC, /* 158, 0x9E */ 0x33, 0x99, 0x99, /* 159, 0x9F */ 0x33, 0x99, 0x66, /* 160, 0xA0 */ 0x33, 0x99, 0x33, /* 161, 0xA1 */ 0x33, 0x99, 0x00, /* 162, 0xA2 */ 0x33, 0x66, 0xFF, /* 163, 0xA3 */ 0x33, 0x66, 0xCC, /* 164, 0xA4 */ 0x33, 0x66, 0x99, /* 165, 0xA5 */ 0x33, 0x66, 0x66, /* 166, 0xA6 */ 0x33, 0x66, 0x33, /* 167, 0xA7 */ 0x33, 0x66, 0x00, /* 168, 0xA8 */ 0x33, 0x33, 0xFF, /* 169, 0xA9 */ 0x33, 0x33, 0xCC, /* 170, 0xAA */ 0x33, 0x33, 0x99, /* 171, 0xAB */ 0x33, 0x33, 0x66, /* 172, 0xAC */ 0x33, 0x33, 0x33, /* 173, 0xAD */ 0x33, 0x33, 0x00, /* 174, 0xAE */ 0x33, 0x00, 0xFF, /* 175, 0xAF */ 0x33, 0x00, 0xCC, /* 176, 0xB0 */ 0x33, 0x00, 0x99, /* 177, 0xB1 */ 0x33, 0x00, 0x66, /* 178, 0xB2 */ 0x33, 0x00, 0x33, /* 179, 0xB3 */ 0x33, 0x00, 0x00, /* 180, 0xB4 */ 0x00, 0xFF, 0xFF, /* 181, 0xB5 */ 0x00, 0xFF, 0xCC, /* 182, 0xB6 */ 0x00, 0xFF, 0x99, /* 183, 0xB7 */ 0x00, 0xFF, 0x66, /* 184, 0xB8 */ 0x00, 0xFF, 0x33, /* 185, 0xB9 */ 0x00, 0xFF, 0x00, /* 186, 0xBA */ 0x00, 0xCC, 0xFF, /* 187, 0xBB */ 0x00, 0xCC, 0xCC, /* 188, 0xBC */ 0x00, 0xCC, 0x99, /* 189, 0xBD */ 0x00, 0xCC, 0x66, /* 190, 0xBE */ 0x00, 0xCC, 0x33, /* 191, 0xBF */ 0x00, 0xCC, 0x00, /* 192, 0xC0 */ 0x00, 0x99, 0xFF, /* 193, 0xC1 */ 0x00, 0x99, 0xCC, /* 194, 0xC2 */ 0x00, 0x99, 0x99, /* 195, 0xC3 */ 0x00, 0x99, 0x66, /* 196, 0xC4 */ 0x00, 0x99, 0x33, /* 197, 0xC5 */ 0x00, 0x99, 0x00, /* 198, 0xC6 */ 0x00, 0x66, 0xFF, /* 199, 0xC7 */ 0x00, 0x66, 0xCC, /* 200, 0xC8 */ 0x00, 0x66, 0x99, /* 201, 0xC9 */ 0x00, 0x66, 0x66, /* 202, 0xCA */ 0x00, 0x66, 0x33, /* 203, 0xCB */ 0x00, 0x66, 0x00, /* 204, 0xCC */ 0x00, 0x33, 0xFF, /* 205, 0xCD */ 0x00, 0x33, 0xCC, /* 206, 0xCE */ 0x00, 0x33, 0x99, /* 207, 0xCF */ 0x00, 0x33, 0x66, /* 208, 0xD0 */ 0x00, 0x33, 0x33, /* 209, 0xD1 */ 0x00, 0x33, 0x00, /* 210, 0xD2 */ 0x00, 0x00, 0xFF, /* 211, 0xD3 */ 0x00, 0x00, 0xCC, /* 212, 0xD4 */ 0x00, 0x00, 0x99, /* 213, 0xD5 */ 0x00, 0x00, 0x66, /* 214, 0xD6 */ 0x00, 0x00, 0x33, /* 215, 0xD7 */ 0xEE, 0x00, 0x00, /* 216, 0xD8 */ 0xDD, 0x00, 0x00, /* 217, 0xD9 */ 0xBB, 0x00, 0x00, /* 218, 0xDA */ 0xAA, 0x00, 0x00, /* 219, 0xDB */ 0x88, 0x00, 0x00, /* 220, 0xDC */ 0x77, 0x00, 0x00, /* 221, 0xDD */ 0x55, 0x00, 0x00, /* 222, 0xDE */ 0x44, 0x00, 0x00, /* 223, 0xDF */ 0x22, 0x00, 0x00, /* 224, 0xE0 */ 0x11, 0x00, 0x00, /* 225, 0xE1 */ 0x00, 0xEE, 0x00, /* 226, 0xE2 */ 0x00, 0xDD, 0x00, /* 227, 0xE3 */ 0x00, 0xBB, 0x00, /* 228, 0xE4 */ 0x00, 0xAA, 0x00, /* 229, 0xE5 */ 0x00, 0x88, 0x00, /* 230, 0xE6 */ 0x00, 0x77, 0x00, /* 231, 0xE7 */ 0x00, 0x55, 0x00, /* 232, 0xE8 */ 0x00, 0x44, 0x00, /* 233, 0xE9 */ 0x00, 0x22, 0x00, /* 234, 0xEA */ 0x00, 0x11, 0x00, /* 235, 0xEB */ 0x00, 0x00, 0xEE, /* 236, 0xEC */ 0x00, 0x00, 0xDD, /* 237, 0xED */ 0x00, 0x00, 0xBB, /* 238, 0xEE */ 0x00, 0x00, 0xAA, /* 239, 0xEF */ 0x00, 0x00, 0x88, /* 240, 0xF0 */ 0x00, 0x00, 0x77, /* 241, 0xF1 */ 0x00, 0x00, 0x55, /* 242, 0xF2 */ 0x00, 0x00, 0x44, /* 243, 0xF3 */ 0x00, 0x00, 0x22, /* 244, 0xF4 */ 0x00, 0x00, 0x11, /* 245, 0xF5 */ 0xEE, 0xEE, 0xEE, /* 246, 0xF6 */ 0xDD, 0xDD, 0xDD, /* 247, 0xF7 */ 0xBB, 0xBB, 0xBB, /* 248, 0xF8 */ 0xAA, 0xAA, 0xAA, /* 249, 0xF9 */ 0x88, 0x88, 0x88, /* 250, 0xFA */ 0x77, 0x77, 0x77, /* 251, 0xFB */ 0x55, 0x55, 0x55, /* 252, 0xFC */ 0x44, 0x44, 0x44, /* 253, 0xFD */ 0x22, 0x22, 0x22, /* 254, 0xFE */ 0x11, 0x11, 0x11, /* 255, 0xFF */ 0x00, 0x00, 0x00 }; int ff_get_qtpalette(int codec_id, AVIOContext *pb, uint32_t *palette) { int tmp, bit_depth, color_table_id, greyscale, i; avio_seek(pb, 82, SEEK_CUR); /* Get the bit depth and greyscale state */ tmp = avio_rb16(pb); bit_depth = tmp & 0x1F; greyscale = tmp & 0x20; /* Get the color table ID */ color_table_id = avio_rb16(pb); /* Do not create a greyscale palette for Cinepak */ if (greyscale && codec_id == AV_CODEC_ID_CINEPAK) return 0; /* If the depth is 1, 2, 4, or 8 bpp, file is palettized. */ if ((bit_depth == 1 || bit_depth == 2 || bit_depth == 4 || bit_depth == 8)) { uint32_t color_count, color_start, color_end; uint32_t r, g, b; /* Ignore the greyscale bit for 1-bit video and sample * descriptions containing a color table. */ if (greyscale && bit_depth > 1 && color_table_id) { int color_index, color_dec; /* compute the greyscale palette */ color_count = 1 << bit_depth; color_index = 255; color_dec = 256 / (color_count - 1); for (i = 0; i < color_count; i++) { r = g = b = color_index; palette[i] = (0xFFU << 24) | (r << 16) | (g << 8) | (b); color_index -= color_dec; if (color_index < 0) color_index = 0; } } else if (color_table_id) { /* The color table ID is non-zero. Interpret this as * being -1, which means use the default Macintosh * color table */ const uint8_t *color_table; color_count = 1 << bit_depth; if (bit_depth == 1) color_table = qt_default_palette_2; else if (bit_depth == 2) color_table = qt_default_palette_4; else if (bit_depth == 4) color_table = qt_default_palette_16; else color_table = qt_default_palette_256; for (i = 0; i < color_count; i++) { r = color_table[i * 3 + 0]; g = color_table[i * 3 + 1]; b = color_table[i * 3 + 2]; palette[i] = (0xFFU << 24) | (r << 16) | (g << 8) | (b); } } else { /* The color table ID is 0; the color table is in the sample * description */ color_start = avio_rb32(pb); avio_rb16(pb); /* color table flags */ color_end = avio_rb16(pb); if ((color_start <= 255) && (color_end <= 255)) { for (i = color_start; i <= color_end; i++) { /* Each color is made of four unsigned 16 bit integers. The * first integer is 0, the remaining integers are the red, * the green and the blue values. We only use the top 8 bit. */ avio_skip(pb, 2); r = avio_r8(pb); avio_r8(pb); g = avio_r8(pb); avio_r8(pb); b = avio_r8(pb); avio_r8(pb); palette[i] = (0xFFU << 24) | (r << 16) | (g << 8) | (b); } } } return 1; } return 0; }