diff options
Diffstat (limited to 'source/blender/io/avi/intern/avi_mjpeg.c')
| -rw-r--r-- | source/blender/io/avi/intern/avi_mjpeg.c | 547 |
1 files changed, 547 insertions, 0 deletions
diff --git a/source/blender/io/avi/intern/avi_mjpeg.c b/source/blender/io/avi/intern/avi_mjpeg.c new file mode 100644 index 00000000000..d4c7378964e --- /dev/null +++ b/source/blender/io/avi/intern/avi_mjpeg.c @@ -0,0 +1,547 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. + * All rights reserved. + */ + +/** \file + * \ingroup avi + * + * This is external code. Converts between avi and mpeg/jpeg. + */ + +#include <stdlib.h> +#include <string.h> + +#include "AVI_avi.h" + +#include "MEM_guardedalloc.h" + +#include "IMB_imbuf.h" + +#include "jpeglib.h" +#include "jerror.h" + +#include "avi_mjpeg.h" + +static void jpegmemdestmgr_build(j_compress_ptr cinfo, unsigned char *buffer, size_t bufsize); +static void jpegmemsrcmgr_build(j_decompress_ptr dinfo, unsigned char *buffer, size_t bufsize); + +static size_t numbytes; + +static void add_huff_table(j_decompress_ptr dinfo, + JHUFF_TBL **htblptr, + const UINT8 *bits, + const UINT8 *val) +{ + if (*htblptr == NULL) { + *htblptr = jpeg_alloc_huff_table((j_common_ptr)dinfo); + } + + memcpy((*htblptr)->bits, bits, sizeof((*htblptr)->bits)); + memcpy((*htblptr)->huffval, val, sizeof((*htblptr)->huffval)); + + /* Initialize sent_table false so table will be written to JPEG file. */ + (*htblptr)->sent_table = false; +} + +/* Set up the standard Huffman tables (cf. JPEG standard section K.3) */ +/* IMPORTANT: these are only valid for 8-bit data precision! */ + +static void std_huff_tables(j_decompress_ptr dinfo) +{ + static const UINT8 bits_dc_luminance[17] = { + /* 0-base */ + 0, + 0, + 1, + 5, + 1, + 1, + 1, + 1, + 1, + 1, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + }; + static const UINT8 val_dc_luminance[] = { + 0, + 1, + 2, + 3, + 4, + 5, + 6, + 7, + 8, + 9, + 10, + 11, + }; + + static const UINT8 bits_dc_chrominance[17] = { + /* 0-base */ + 0, + 0, + 3, + 1, + 1, + 1, + 1, + 1, + 1, + 1, + 1, + 1, + 0, + 0, + 0, + 0, + 0, + }; + static const UINT8 val_dc_chrominance[] = { + 0, + 1, + 2, + 3, + 4, + 5, + 6, + 7, + 8, + 9, + 10, + 11, + }; + + static const UINT8 bits_ac_luminance[17] = { + /* 0-base */ + 0, + 0, + 2, + 1, + 3, + 3, + 2, + 4, + 3, + 5, + 5, + 4, + 4, + 0, + 0, + 1, + 0x7d, + }; + static const UINT8 val_ac_luminance[] = { + 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, + 0x07, 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08, 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, + 0xd1, 0xf0, 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x25, + 0x26, 0x27, 0x28, 0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x43, 0x44, 0x45, + 0x46, 0x47, 0x48, 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x63, 0x64, + 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x83, + 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, + 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, + 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, + 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, + 0xe9, 0xea, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, + }; + static const UINT8 bits_ac_chrominance[17] = { + /* 0-base */ + 0, + 0, + 2, + 1, + 2, + 4, + 4, + 3, + 4, + 7, + 5, + 4, + 4, + 0, + 1, + 2, + 0x77, + }; + static const UINT8 val_ac_chrominance[] = { + 0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, 0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, + 0x71, 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, 0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, + 0x52, 0xf0, 0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34, 0xe1, 0x25, 0xf1, 0x17, 0x18, + 0x19, 0x1a, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x43, 0x44, + 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x63, + 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, + 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, + 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, + 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, + 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, + 0xe8, 0xe9, 0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, + }; + + add_huff_table(dinfo, &dinfo->dc_huff_tbl_ptrs[0], bits_dc_luminance, val_dc_luminance); + add_huff_table(dinfo, &dinfo->ac_huff_tbl_ptrs[0], bits_ac_luminance, val_ac_luminance); + add_huff_table(dinfo, &dinfo->dc_huff_tbl_ptrs[1], bits_dc_chrominance, val_dc_chrominance); + add_huff_table(dinfo, &dinfo->ac_huff_tbl_ptrs[1], bits_ac_chrominance, val_ac_chrominance); +} + +static int Decode_JPEG(unsigned char *inBuffer, + unsigned char *outBuffer, + unsigned int width, + unsigned int height, + size_t bufsize) +{ + struct jpeg_decompress_struct dinfo; + struct jpeg_error_mgr jerr; + + (void)width; /* unused */ + + numbytes = 0; + + dinfo.err = jpeg_std_error(&jerr); + jpeg_create_decompress(&dinfo); + jpegmemsrcmgr_build(&dinfo, inBuffer, bufsize); + jpeg_read_header(&dinfo, true); + if (dinfo.dc_huff_tbl_ptrs[0] == NULL) { + std_huff_tables(&dinfo); + } + dinfo.out_color_space = JCS_RGB; + dinfo.dct_method = JDCT_IFAST; + + jpeg_start_decompress(&dinfo); + + size_t rowstride = dinfo.output_width * dinfo.output_components; + for (size_t y = 0; y < dinfo.output_height; y++) { + jpeg_read_scanlines(&dinfo, (JSAMPARRAY)&outBuffer, 1); + outBuffer += rowstride; + } + jpeg_finish_decompress(&dinfo); + + if (dinfo.output_height >= height) { + return 0; + } + + inBuffer += numbytes; + jpegmemsrcmgr_build(&dinfo, inBuffer, bufsize - numbytes); + + numbytes = 0; + jpeg_read_header(&dinfo, true); + if (dinfo.dc_huff_tbl_ptrs[0] == NULL) { + std_huff_tables(&dinfo); + } + + jpeg_start_decompress(&dinfo); + rowstride = dinfo.output_width * dinfo.output_components; + for (size_t y = 0; y < dinfo.output_height; y++) { + jpeg_read_scanlines(&dinfo, (JSAMPARRAY)&outBuffer, 1); + outBuffer += rowstride; + } + jpeg_finish_decompress(&dinfo); + jpeg_destroy_decompress(&dinfo); + + return 1; +} + +static void Compress_JPEG(int quality, + unsigned char *outbuffer, + const unsigned char *inBuffer, + int width, + int height, + size_t bufsize) +{ + struct jpeg_compress_struct cinfo; + struct jpeg_error_mgr jerr; + unsigned char marker[60]; + + cinfo.err = jpeg_std_error(&jerr); + jpeg_create_compress(&cinfo); + jpegmemdestmgr_build(&cinfo, outbuffer, bufsize); + + cinfo.image_width = width; + cinfo.image_height = height; + cinfo.input_components = 3; + cinfo.in_color_space = JCS_RGB; + + jpeg_set_defaults(&cinfo); + jpeg_set_colorspace(&cinfo, JCS_YCbCr); + + jpeg_set_quality(&cinfo, quality, true); + + cinfo.dc_huff_tbl_ptrs[0]->sent_table = true; + cinfo.dc_huff_tbl_ptrs[1]->sent_table = true; + cinfo.ac_huff_tbl_ptrs[0]->sent_table = true; + cinfo.ac_huff_tbl_ptrs[1]->sent_table = true; + + cinfo.comp_info[0].component_id = 0; + cinfo.comp_info[0].v_samp_factor = 1; + cinfo.comp_info[1].component_id = 1; + cinfo.comp_info[2].component_id = 2; + + cinfo.write_JFIF_header = false; + + jpeg_start_compress(&cinfo, false); + + int i = 0; + marker[i++] = 'A'; + marker[i++] = 'V'; + marker[i++] = 'I'; + marker[i++] = '1'; + marker[i++] = 0; + while (i < 60) { + marker[i++] = 32; + } + + jpeg_write_marker(&cinfo, JPEG_APP0, marker, 60); + + i = 0; + while (i < 60) { + marker[i++] = 0; + } + + jpeg_write_marker(&cinfo, JPEG_COM, marker, 60); + + size_t rowstride = cinfo.image_width * cinfo.input_components; + for (size_t y = 0; y < cinfo.image_height; y++) { + jpeg_write_scanlines(&cinfo, (JSAMPARRAY)&inBuffer, 1); + inBuffer += rowstride; + } + jpeg_finish_compress(&cinfo); + jpeg_destroy_compress(&cinfo); +} + +static void interlace(unsigned char *to, unsigned char *from, int width, int height) +{ + size_t i, rowstride = width * 3; + + for (i = 0; i < height; i++) { + if (i & 1) { + memcpy(&to[i * rowstride], &from[(i / 2 + height / 2) * rowstride], rowstride); + } + else { + memcpy(&to[i * rowstride], &from[(i / 2) * rowstride], rowstride); + } + } +} + +static void deinterlace(int odd, unsigned char *to, unsigned char *from, int width, int height) +{ + size_t i, rowstride = width * 3; + + for (i = 0; i < height; i++) { + if ((i & 1) == odd) { + memcpy(&to[(i / 2 + height / 2) * rowstride], &from[i * rowstride], rowstride); + } + else { + memcpy(&to[(i / 2) * rowstride], &from[i * rowstride], rowstride); + } + } +} + +void *avi_converter_from_mjpeg(AviMovie *movie, int stream, unsigned char *buffer, size_t *size) +{ + int deint; + unsigned char *buf; + + (void)stream; /* unused */ + + buf = imb_alloc_pixels(movie->header->Height, + movie->header->Width, + 3, + sizeof(unsigned char), + "avi.avi_converter_from_mjpeg 1"); + if (!buf) { + return NULL; + } + + deint = Decode_JPEG(buffer, buf, movie->header->Width, movie->header->Height, *size); + + MEM_freeN(buffer); + + if (deint) { + buffer = imb_alloc_pixels(movie->header->Height, + movie->header->Width, + 3, + sizeof(unsigned char), + "avi.avi_converter_from_mjpeg 2"); + if (buffer) { + interlace(buffer, buf, movie->header->Width, movie->header->Height); + } + MEM_freeN(buf); + + buf = buffer; + } + + return buf; +} + +void *avi_converter_to_mjpeg(AviMovie *movie, int stream, unsigned char *buffer, size_t *size) +{ + unsigned char *buf; + size_t bufsize = *size; + + numbytes = 0; + *size = 0; + + buf = imb_alloc_pixels(movie->header->Height, + movie->header->Width, + 3, + sizeof(unsigned char), + "avi.avi_converter_to_mjpeg 1"); + if (!buf) { + return NULL; + } + + if (!movie->interlace) { + Compress_JPEG(movie->streams[stream].sh.Quality / 100, + buf, + buffer, + movie->header->Width, + movie->header->Height, + bufsize); + *size += numbytes; + } + else { + deinterlace(movie->odd_fields, buf, buffer, movie->header->Width, movie->header->Height); + MEM_freeN(buffer); + + buffer = buf; + buf = imb_alloc_pixels(movie->header->Height, + movie->header->Width, + 3, + sizeof(unsigned char), + "avi.avi_converter_to_mjpeg 1"); + + if (buf) { + Compress_JPEG(movie->streams[stream].sh.Quality / 100, + buf, + buffer, + movie->header->Width, + movie->header->Height / 2, + bufsize / 2); + *size += numbytes; + numbytes = 0; + Compress_JPEG(movie->streams[stream].sh.Quality / 100, + buf + *size, + buffer + + (size_t)(movie->header->Height / 2) * (size_t)movie->header->Width * 3, + movie->header->Width, + movie->header->Height / 2, + bufsize / 2); + *size += numbytes; + } + } + + MEM_freeN(buffer); + return buf; +} + +/* Compression from memory */ + +static void jpegmemdestmgr_init_destination(j_compress_ptr cinfo) +{ + (void)cinfo; /* unused */ +} + +static boolean jpegmemdestmgr_empty_output_buffer(j_compress_ptr cinfo) +{ + (void)cinfo; /* unused */ + return true; +} + +static void jpegmemdestmgr_term_destination(j_compress_ptr cinfo) +{ + numbytes -= cinfo->dest->free_in_buffer; + + MEM_freeN(cinfo->dest); +} + +static void jpegmemdestmgr_build(j_compress_ptr cinfo, unsigned char *buffer, size_t bufsize) +{ + cinfo->dest = MEM_mallocN(sizeof(*(cinfo->dest)), "avi.jpegmemdestmgr_build"); + + 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; +} |