548 lines
15 KiB
C
548 lines
15 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*/
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/** \file
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* \ingroup avi
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*
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* This is external code. Converts between avi and mpeg/jpeg.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "AVI_avi.h"
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#include "MEM_guardedalloc.h"
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#include "IMB_imbuf.h"
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#include "jpeglib.h"
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#include "jerror.h"
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#include "avi_mjpeg.h"
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static void jpegmemdestmgr_build(j_compress_ptr cinfo, unsigned char *buffer, size_t bufsize);
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static void jpegmemsrcmgr_build(j_decompress_ptr dinfo, unsigned char *buffer, size_t bufsize);
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static size_t numbytes;
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static void add_huff_table(j_decompress_ptr dinfo,
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JHUFF_TBL **htblptr,
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const UINT8 *bits,
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const UINT8 *val)
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{
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if (*htblptr == NULL) {
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*htblptr = jpeg_alloc_huff_table((j_common_ptr)dinfo);
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}
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memcpy((*htblptr)->bits, bits, sizeof((*htblptr)->bits));
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memcpy((*htblptr)->huffval, val, sizeof((*htblptr)->huffval));
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/* Initialize sent_table false so table will be written to JPEG file. */
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(*htblptr)->sent_table = false;
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}
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/* Set up the standard Huffman tables (cf. JPEG standard section K.3) */
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/* IMPORTANT: these are only valid for 8-bit data precision! */
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static void std_huff_tables(j_decompress_ptr dinfo)
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{
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static const UINT8 bits_dc_luminance[17] = {
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/* 0-base */
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0,
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0,
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1,
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5,
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1,
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1,
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1,
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1,
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1,
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1,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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};
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static const UINT8 val_dc_luminance[] = {
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0,
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1,
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2,
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3,
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4,
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5,
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6,
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7,
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8,
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9,
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10,
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11,
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};
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static const UINT8 bits_dc_chrominance[17] = {
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/* 0-base */
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0,
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0,
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3,
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1,
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1,
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1,
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1,
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1,
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1,
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1,
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1,
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1,
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0,
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0,
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0,
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0,
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0,
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};
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static const UINT8 val_dc_chrominance[] = {
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0,
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1,
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2,
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3,
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4,
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5,
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6,
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7,
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8,
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9,
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10,
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11,
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};
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static const UINT8 bits_ac_luminance[17] = {
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/* 0-base */
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0,
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0,
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2,
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1,
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3,
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3,
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2,
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4,
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3,
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5,
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5,
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4,
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4,
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0,
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0,
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1,
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0x7d,
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};
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static const UINT8 val_ac_luminance[] = {
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0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61,
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0x07, 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08, 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52,
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0xd1, 0xf0, 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x25,
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0x26, 0x27, 0x28, 0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x43, 0x44, 0x45,
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0x46, 0x47, 0x48, 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x63, 0x64,
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0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x83,
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0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
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0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6,
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0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3,
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0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8,
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0xe9, 0xea, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa,
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};
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static const UINT8 bits_ac_chrominance[17] = {
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/* 0-base */
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0,
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0,
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2,
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1,
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2,
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4,
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4,
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3,
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4,
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7,
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5,
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4,
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4,
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0,
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1,
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2,
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0x77,
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};
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static const UINT8 val_ac_chrominance[] = {
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0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, 0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61,
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0x71, 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, 0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33,
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0x52, 0xf0, 0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34, 0xe1, 0x25, 0xf1, 0x17, 0x18,
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0x19, 0x1a, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x43, 0x44,
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0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x63,
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0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a,
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0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
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0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4,
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0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca,
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0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
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0xe8, 0xe9, 0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa,
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};
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add_huff_table(dinfo, &dinfo->dc_huff_tbl_ptrs[0], bits_dc_luminance, val_dc_luminance);
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add_huff_table(dinfo, &dinfo->ac_huff_tbl_ptrs[0], bits_ac_luminance, val_ac_luminance);
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add_huff_table(dinfo, &dinfo->dc_huff_tbl_ptrs[1], bits_dc_chrominance, val_dc_chrominance);
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add_huff_table(dinfo, &dinfo->ac_huff_tbl_ptrs[1], bits_ac_chrominance, val_ac_chrominance);
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}
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static int Decode_JPEG(unsigned char *inBuffer,
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unsigned char *outBuffer,
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unsigned int width,
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unsigned int height,
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size_t bufsize)
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{
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struct jpeg_decompress_struct dinfo;
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struct jpeg_error_mgr jerr;
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(void)width; /* unused */
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numbytes = 0;
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dinfo.err = jpeg_std_error(&jerr);
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jpeg_create_decompress(&dinfo);
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jpegmemsrcmgr_build(&dinfo, inBuffer, bufsize);
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jpeg_read_header(&dinfo, true);
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if (dinfo.dc_huff_tbl_ptrs[0] == NULL) {
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std_huff_tables(&dinfo);
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}
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dinfo.out_color_space = JCS_RGB;
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dinfo.dct_method = JDCT_IFAST;
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jpeg_start_decompress(&dinfo);
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size_t rowstride = dinfo.output_width * dinfo.output_components;
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for (size_t y = 0; y < dinfo.output_height; y++) {
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jpeg_read_scanlines(&dinfo, (JSAMPARRAY)&outBuffer, 1);
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outBuffer += rowstride;
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}
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jpeg_finish_decompress(&dinfo);
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if (dinfo.output_height >= height) {
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return 0;
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}
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inBuffer += numbytes;
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jpegmemsrcmgr_build(&dinfo, inBuffer, bufsize - numbytes);
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numbytes = 0;
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jpeg_read_header(&dinfo, true);
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if (dinfo.dc_huff_tbl_ptrs[0] == NULL) {
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std_huff_tables(&dinfo);
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}
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jpeg_start_decompress(&dinfo);
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rowstride = dinfo.output_width * dinfo.output_components;
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for (size_t y = 0; y < dinfo.output_height; y++) {
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jpeg_read_scanlines(&dinfo, (JSAMPARRAY)&outBuffer, 1);
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outBuffer += rowstride;
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}
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jpeg_finish_decompress(&dinfo);
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jpeg_destroy_decompress(&dinfo);
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return 1;
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}
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static void Compress_JPEG(int quality,
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unsigned char *outbuffer,
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const unsigned char *inBuffer,
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int width,
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int height,
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size_t bufsize)
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{
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struct jpeg_compress_struct cinfo;
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struct jpeg_error_mgr jerr;
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unsigned char marker[60];
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cinfo.err = jpeg_std_error(&jerr);
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jpeg_create_compress(&cinfo);
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jpegmemdestmgr_build(&cinfo, outbuffer, bufsize);
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cinfo.image_width = width;
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cinfo.image_height = height;
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cinfo.input_components = 3;
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cinfo.in_color_space = JCS_RGB;
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jpeg_set_defaults(&cinfo);
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jpeg_set_colorspace(&cinfo, JCS_YCbCr);
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jpeg_set_quality(&cinfo, quality, true);
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cinfo.dc_huff_tbl_ptrs[0]->sent_table = true;
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cinfo.dc_huff_tbl_ptrs[1]->sent_table = true;
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cinfo.ac_huff_tbl_ptrs[0]->sent_table = true;
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cinfo.ac_huff_tbl_ptrs[1]->sent_table = true;
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cinfo.comp_info[0].component_id = 0;
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cinfo.comp_info[0].v_samp_factor = 1;
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cinfo.comp_info[1].component_id = 1;
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cinfo.comp_info[2].component_id = 2;
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cinfo.write_JFIF_header = false;
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jpeg_start_compress(&cinfo, false);
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int i = 0;
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marker[i++] = 'A';
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marker[i++] = 'V';
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marker[i++] = 'I';
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marker[i++] = '1';
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marker[i++] = 0;
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while (i < 60) {
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marker[i++] = 32;
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}
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jpeg_write_marker(&cinfo, JPEG_APP0, marker, 60);
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i = 0;
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while (i < 60) {
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marker[i++] = 0;
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}
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jpeg_write_marker(&cinfo, JPEG_COM, marker, 60);
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size_t rowstride = cinfo.image_width * cinfo.input_components;
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for (size_t y = 0; y < cinfo.image_height; y++) {
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jpeg_write_scanlines(&cinfo, (JSAMPARRAY)&inBuffer, 1);
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inBuffer += rowstride;
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}
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jpeg_finish_compress(&cinfo);
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jpeg_destroy_compress(&cinfo);
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}
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static void interlace(unsigned char *to, unsigned char *from, int width, int height)
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{
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size_t i, rowstride = width * 3;
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for (i = 0; i < height; i++) {
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if (i & 1) {
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memcpy(&to[i * rowstride], &from[(i / 2 + height / 2) * rowstride], rowstride);
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}
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else {
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memcpy(&to[i * rowstride], &from[(i / 2) * rowstride], rowstride);
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}
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}
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}
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static void deinterlace(int odd, unsigned char *to, unsigned char *from, int width, int height)
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{
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size_t i, rowstride = width * 3;
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for (i = 0; i < height; i++) {
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if ((i & 1) == odd) {
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memcpy(&to[(i / 2 + height / 2) * rowstride], &from[i * rowstride], rowstride);
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}
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else {
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memcpy(&to[(i / 2) * rowstride], &from[i * rowstride], rowstride);
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}
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}
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}
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void *avi_converter_from_mjpeg(AviMovie *movie, int stream, unsigned char *buffer, size_t *size)
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{
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int deint;
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unsigned char *buf;
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(void)stream; /* unused */
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buf = imb_alloc_pixels(movie->header->Height,
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movie->header->Width,
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3,
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sizeof(unsigned char),
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"avi.avi_converter_from_mjpeg 1");
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if (!buf) {
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return NULL;
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}
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deint = Decode_JPEG(buffer, buf, movie->header->Width, movie->header->Height, *size);
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MEM_freeN(buffer);
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if (deint) {
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buffer = imb_alloc_pixels(movie->header->Height,
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movie->header->Width,
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3,
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sizeof(unsigned char),
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"avi.avi_converter_from_mjpeg 2");
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if (buffer) {
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interlace(buffer, buf, movie->header->Width, movie->header->Height);
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}
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MEM_freeN(buf);
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buf = buffer;
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}
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return buf;
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}
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void *avi_converter_to_mjpeg(AviMovie *movie, int stream, unsigned char *buffer, size_t *size)
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{
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unsigned char *buf;
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size_t bufsize = *size;
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numbytes = 0;
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*size = 0;
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buf = imb_alloc_pixels(movie->header->Height,
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movie->header->Width,
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3,
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sizeof(unsigned char),
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"avi.avi_converter_to_mjpeg 1");
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if (!buf) {
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return NULL;
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}
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if (!movie->interlace) {
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Compress_JPEG(movie->streams[stream].sh.Quality / 100,
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buf,
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buffer,
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movie->header->Width,
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movie->header->Height,
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bufsize);
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*size += numbytes;
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}
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else {
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deinterlace(movie->odd_fields, buf, buffer, movie->header->Width, movie->header->Height);
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MEM_freeN(buffer);
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buffer = buf;
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buf = imb_alloc_pixels(movie->header->Height,
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movie->header->Width,
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3,
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sizeof(unsigned char),
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"avi.avi_converter_to_mjpeg 1");
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if (buf) {
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Compress_JPEG(movie->streams[stream].sh.Quality / 100,
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buf,
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buffer,
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movie->header->Width,
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movie->header->Height / 2,
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bufsize / 2);
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*size += numbytes;
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numbytes = 0;
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Compress_JPEG(movie->streams[stream].sh.Quality / 100,
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buf + *size,
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buffer +
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(size_t)(movie->header->Height / 2) * (size_t)movie->header->Width * 3,
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movie->header->Width,
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movie->header->Height / 2,
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bufsize / 2);
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*size += numbytes;
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}
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}
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MEM_freeN(buffer);
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return buf;
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}
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/* Compression from memory */
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static void jpegmemdestmgr_init_destination(j_compress_ptr cinfo)
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{
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(void)cinfo; /* unused */
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}
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static boolean jpegmemdestmgr_empty_output_buffer(j_compress_ptr cinfo)
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{
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(void)cinfo; /* unused */
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return true;
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}
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static void jpegmemdestmgr_term_destination(j_compress_ptr cinfo)
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{
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numbytes -= cinfo->dest->free_in_buffer;
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MEM_freeN(cinfo->dest);
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}
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static void jpegmemdestmgr_build(j_compress_ptr cinfo, unsigned char *buffer, size_t bufsize)
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{
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cinfo->dest = MEM_mallocN(sizeof(*(cinfo->dest)), "avi.jpegmemdestmgr_build");
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cinfo->dest->init_destination = jpegmemdestmgr_init_destination;
|
|
cinfo->dest->empty_output_buffer = jpegmemdestmgr_empty_output_buffer;
|
|
cinfo->dest->term_destination = jpegmemdestmgr_term_destination;
|
|
|
|
cinfo->dest->next_output_byte = buffer;
|
|
cinfo->dest->free_in_buffer = bufsize;
|
|
|
|
numbytes = bufsize;
|
|
}
|
|
|
|
/* Decompression from memory */
|
|
|
|
static void jpegmemsrcmgr_init_source(j_decompress_ptr dinfo)
|
|
{
|
|
(void)dinfo;
|
|
}
|
|
|
|
static boolean jpegmemsrcmgr_fill_input_buffer(j_decompress_ptr dinfo)
|
|
{
|
|
unsigned char *buf = (unsigned char *)dinfo->src->next_input_byte - 2;
|
|
|
|
/* if we get called, must have run out of data */
|
|
WARNMS(dinfo, JWRN_JPEG_EOF);
|
|
|
|
buf[0] = (JOCTET)0xFF;
|
|
buf[1] = (JOCTET)JPEG_EOI;
|
|
|
|
dinfo->src->next_input_byte = buf;
|
|
dinfo->src->bytes_in_buffer = 2;
|
|
|
|
return true;
|
|
}
|
|
|
|
static void jpegmemsrcmgr_skip_input_data(j_decompress_ptr dinfo, long skipcnt)
|
|
{
|
|
if (dinfo->src->bytes_in_buffer < skipcnt) {
|
|
skipcnt = dinfo->src->bytes_in_buffer;
|
|
}
|
|
|
|
dinfo->src->next_input_byte += skipcnt;
|
|
dinfo->src->bytes_in_buffer -= skipcnt;
|
|
}
|
|
|
|
static void jpegmemsrcmgr_term_source(j_decompress_ptr dinfo)
|
|
{
|
|
numbytes -= dinfo->src->bytes_in_buffer;
|
|
|
|
MEM_freeN(dinfo->src);
|
|
}
|
|
|
|
static void jpegmemsrcmgr_build(j_decompress_ptr dinfo, unsigned char *buffer, size_t bufsize)
|
|
{
|
|
dinfo->src = MEM_mallocN(sizeof(*(dinfo->src)), "avi.jpegmemsrcmgr_build");
|
|
|
|
dinfo->src->init_source = jpegmemsrcmgr_init_source;
|
|
dinfo->src->fill_input_buffer = jpegmemsrcmgr_fill_input_buffer;
|
|
dinfo->src->skip_input_data = jpegmemsrcmgr_skip_input_data;
|
|
dinfo->src->resync_to_restart = jpeg_resync_to_restart;
|
|
dinfo->src->term_source = jpegmemsrcmgr_term_source;
|
|
|
|
dinfo->src->bytes_in_buffer = bufsize;
|
|
dinfo->src->next_input_byte = buffer;
|
|
|
|
numbytes = bufsize;
|
|
}
|