diff options
Diffstat (limited to 'source/blender/avi/intern/mjpeg.c')
| -rw-r--r-- | source/blender/avi/intern/mjpeg.c | 452 |
1 files changed, 452 insertions, 0 deletions
diff --git a/source/blender/avi/intern/mjpeg.c b/source/blender/avi/intern/mjpeg.c new file mode 100644 index 00000000000..8831e3ca615 --- /dev/null +++ b/source/blender/avi/intern/mjpeg.c @@ -0,0 +1,452 @@ +/** + * mjpeg.c + * + * This is external code. Converts between avi and mpeg/jpeg. + * + * $Id$ + * + * ***** BEGIN GPL/BL DUAL LICENSE BLOCK ***** + * + * 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. The Blender + * Foundation also sells licenses for use in proprietary software under + * the Blender License. See http://www.blender.org/BL/ for information + * about this. + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): none yet. + * + * ***** END GPL/BL DUAL LICENSE BLOCK ***** + * */ + +#include "AVI_avi.h" +#include <stdlib.h> +#include <string.h> +#include "jpeglib.h" +#include "jerror.h" +#include "MEM_guardedalloc.h" + +#include "mjpeg.h" + +#define PADUP(num, amt) ((num+(amt-1))&~(amt-1)) + +static void jpegmemdestmgr_build (j_compress_ptr cinfo, unsigned char *buffer, int bufsize); +static void jpegmemsrcmgr_build (j_decompress_ptr dinfo, unsigned char *buffer, int bufsize); + +static int 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, int width, int height, int bufsize) { + int rowstride, y; + struct jpeg_decompress_struct dinfo; + struct jpeg_error_mgr jerr; + + 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); + + rowstride= dinfo.output_width*dinfo.output_components; + for (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 (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, unsigned char *inBuffer, int width, int height, int bufsize) { + int i, y, rowstride; + 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); + + 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); + + rowstride= cinfo.image_width*cinfo.input_components; + for (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) { + int 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) { + int 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); + } +} + +static int check_and_decode_jpeg(unsigned char *inbuf, unsigned char *outbuf, int width, int height, int bufsize) { + /* JPEG's are always multiples of 16, extra is cropped out AVI's */ + if ((width&0xF) || (height&0xF)) { + int i, rrowstride, jrowstride; + int jwidth= PADUP(width, 16); + int jheight= PADUP(height, 16); + unsigned char *tmpbuf= MEM_mallocN(jwidth*jheight*3, "avi.check_and_decode_jpeg"); + int ret= Decode_JPEG(inbuf, tmpbuf, jwidth, jheight, bufsize); + + /* crop the tmpbuf into the real buffer */ + rrowstride= width*3; + jrowstride= jwidth*3; + for (i=0; i<height; i++) + memcpy(&outbuf[i*rrowstride], &tmpbuf[i*jrowstride], rrowstride); + MEM_freeN(tmpbuf); + + return ret; + } else { + return Decode_JPEG(inbuf, outbuf, width, height, bufsize); + } +} + +static void check_and_compress_jpeg(int quality, unsigned char *outbuf, unsigned char *inbuf, int width, int height, int bufsize) { + /* JPEG's are always multiples of 16, extra is ignored in AVI's */ + if ((width&0xF) || (height&0xF)) { + int i, rrowstride, jrowstride; + int jwidth= PADUP(width, 16); + int jheight= PADUP(height, 16); + unsigned char *tmpbuf= MEM_mallocN(jwidth*jheight*3, "avi.check_and_compress_jpeg"); + + /* resize the realbuf into the tmpbuf */ + rrowstride= width*3; + jrowstride= jwidth*3; + for (i=0; i<jheight; i++) { + if (i<height) + memcpy(&tmpbuf[i*jrowstride], &inbuf[i*rrowstride], rrowstride); + else + memset(&tmpbuf[i*jrowstride], 0, rrowstride); + memset(&tmpbuf[i*jrowstride+rrowstride], 0, jrowstride-rrowstride); + } + + Compress_JPEG(quality, outbuf, tmpbuf, jwidth, jheight, bufsize); + + MEM_freeN(tmpbuf); + } else { + Compress_JPEG(quality, outbuf, inbuf, width, height, bufsize); + } +} + +void *avi_converter_from_mjpeg (AviMovie *movie, int stream, unsigned char *buffer, int *size) { + int deint; + unsigned char *buf; + + buf= MEM_mallocN (movie->header->Height * movie->header->Width * 3, "avi.avi_converter_from_mjpeg 1"); + + deint= check_and_decode_jpeg(buffer, buf, movie->header->Width, movie->header->Height, *size); + + MEM_freeN(buffer); + + if (deint) { + buffer = MEM_mallocN (movie->header->Height * movie->header->Width * 3, "avi.avi_converter_from_mjpeg 2"); + 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, int *size) { + unsigned char *buf; + int bufsize= *size; + + numbytes = 0; + *size= 0; + + buf = MEM_mallocN (movie->header->Height * movie->header->Width * 3, "avi.avi_converter_to_mjpeg 1"); + if (!movie->interlace) { + check_and_compress_jpeg(movie->streams[stream].sh.Quality/100, buf, buffer, movie->header->Width, movie->header->Height, bufsize); + } else { + deinterlace (movie->odd_fields, buf, buffer, movie->header->Width, movie->header->Height); + MEM_freeN (buffer); + + buffer= buf; + buf= MEM_mallocN (movie->header->Height * movie->header->Width * 3, "avi.avi_converter_to_mjpeg 2"); + + check_and_compress_jpeg(movie->streams[stream].sh.Quality/100, buf, buffer, movie->header->Width, movie->header->Height/2, bufsize/2); + *size+= numbytes; + numbytes=0; + check_and_compress_jpeg(movie->streams[stream].sh.Quality/100, buf+*size, buffer+(movie->header->Height/2)*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) { + ; +} + +static boolean jpegmemdestmgr_empty_output_buffer(j_compress_ptr cinfo) { + 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, int 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) { + ; +} + +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, int 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; +} |