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FFmpeg/libavformat/qtpalette.c

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/*
* 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;
}