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authordeva <deva>2006-06-09 18:20:51 +0000
committerdeva <deva>2006-06-09 18:20:51 +0000
commit8f9101869f6b460f61033ce434bba0a793d25137 (patch)
treefd07cb44be0b01da339f79164c323793d72ab4a9 /src/img_encoder.cc
parent6c31ad03de714676516d69ae9114e8bdd67c0d96 (diff)
Moved files to other folder:
lib - Shared files between server and client client - Client files server - Server files
Diffstat (limited to 'src/img_encoder.cc')
-rw-r--r--src/img_encoder.cc196
1 files changed, 0 insertions, 196 deletions
diff --git a/src/img_encoder.cc b/src/img_encoder.cc
deleted file mode 100644
index 9282dc0..0000000
--- a/src/img_encoder.cc
+++ /dev/null
@@ -1,196 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/***************************************************************************
- * img_encoder.cc
- *
- * Mon Nov 15 19:45:07 CET 2004
- * Copyright 2004 Bent Bisballe
- * deva@aasimon.org
- ****************************************************************************/
-
-/*
- * Originally from:
- * RTVideoRec Realtime video recoder and encoder for Linux
- *
- * Copyright (C) 2004 B. Stultiens
- * Copyright (C) 2004 Koen Otter and Glenn van der Meyden
- */
-
-/*
- * This file is part of MIaV.
- *
- * MIaV 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.
- *
- * MIaV 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 MIaV; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-#include "img_encoder.h"
-#include <stdio.h>
-
-#include "debug.h"
-
-extern "C" {
-#include <jpeglib.h>
-}
-
-#include "jpeg_mem_dest.h"
-
-// Use libdv
-#include <libdv/dv.h>
-#include <libdv/dv_types.h>
-
-ImgEncoder::ImgEncoder(const char* cpr, Info *i)
-{
- info = i;
-
- // Create path and filename
- char fname[256];
- string *server_root;
- char birthmonth[3];
- char date[32];
- char encrypted_cpr[32];
-
- // Get server root
- server_root = config->readString("server_image_root");
-
- // Copy the bytes representing the birth month from the cpr
- // [dd][mm][yy]-[nn][nn]
- strncpy(birthmonth, &cpr[2], 2);
- birthmonth[2] = 0;
-
- // Create date (today) in [yyyy][mm][dd]
- struct tm *ltime;
- time_t t = time(NULL);
- ltime = localtime(&t);
- sprintf(date, "%.4d%.2d%.2d",
- ltime->tm_year + 1900,
- ltime->tm_mon,
- ltime->tm_mday);
-
- // Create 'encrypted' cpr, reverse numbers, skip month, and subtract from 9
- // [d1][d2][m1][m2][y1][y2]-[n1][n2][n3][n4]
- // =>
- // [9-n4][9-n3][9-n2][9-n1][9-y2][9-y1][9-d2][9-d1]
- memset(encrypted_cpr, 0, sizeof(encrypted_cpr));
- int p = strlen(cpr) - 1;
- int cnt = 0;
- while(p) {
- encrypted_cpr[cnt] = cpr[p];
- p--;
- if(p == 2) p--;
- if(cpr[p] == '-' || p == 3) p--;
- cnt++;
- }
-
- sprintf(fname, "%s/%s/%s/%s-%s-", server_root->c_str(), birthmonth, encrypted_cpr, cpr, date);
-
- file = new File(fname, "jpg", info);
-}
-
-
-ImgEncoder::~ImgEncoder()
-{
- delete file;
-}
-
-
-void ImgEncoder::encode(Frame *dvframe, int quality)
-{
- unsigned char rgb[720*576*4];
-
- getRGB(dvframe, rgb);
- writeJPEGFile(quality, rgb, 720, 576);
-}
-
-
-void ImgEncoder::writeJPEGFile(int quality, unsigned char *rgb, int image_width, int image_height)
-{
- JSAMPLE *image_buffer = (JSAMPLE*)rgb;
-
- size_t buffersize = (image_width * image_height * 3) + JPEG_HEADER_PAD;
- char *jpeg_output_buffer = new char [buffersize];
- struct jpeg_compress_struct cinfo;
- struct jpeg_error_mgr jerr;
-
- JSAMPROW row_pointer[1]; // pointer to JSAMPLE row[s]
- int row_stride; // physical row width in image buffer
-
- // Allocate and initialize JPEG compression object
- cinfo.err = jpeg_std_error(&jerr);
- jpeg_create_compress(&cinfo);
-
- // Specify data destination (see jpeg_mem_dest)
- jpeg_mem_dest(&cinfo, jpeg_output_buffer, &buffersize);
-
- // Set compression parameters
- cinfo.image_width = image_width; // image width and height, in pixels
- cinfo.image_height = image_height;
- cinfo.input_components = 3; // # of color components per pixel
- cinfo.in_color_space = JCS_RGB; // colorspace of input image
-
- jpeg_set_defaults(&cinfo);
-
- jpeg_set_quality(&cinfo, quality, TRUE); // limit to baseline-JPEG values
-
- // Start compressor
- jpeg_start_compress(&cinfo, TRUE);
-
- // While (scan lines remain to be written)
- row_stride = image_width * 3; // JSAMPLEs per row in image_buffer
-
- while (cinfo.next_scanline < cinfo.image_height) {
- row_pointer[0] = & image_buffer[cinfo.next_scanline * row_stride];
- (void) jpeg_write_scanlines(&cinfo, row_pointer, 1);
- }
-
- // Finish compression
- jpeg_finish_compress(&cinfo);
-
- // Release JPEG compression object
- jpeg_destroy_compress(&cinfo);
-
- info->info("JPEG buffersize: %d", buffersize);
- file->Write(jpeg_output_buffer, buffersize);
- delete jpeg_output_buffer;
-}
-
-void ImgEncoder::getRGB(Frame *frame, unsigned char *rgb)
-{
- unsigned char *pixels[3];
- int pitches[3];
-
- pixels[ 0 ] = rgb;
- pixels[ 1 ] = NULL;
- pixels[ 2 ] = NULL;
-
- pitches[ 0 ] = 720 * 3;
- pitches[ 1 ] = 0;
- pitches[ 2 ] = 0;
-
- dv_decoder_t *decoder = dv_decoder_new(FALSE/*this value is unused*/, FALSE, FALSE);
- decoder->quality = DV_QUALITY_BEST;
-
- dv_parse_header(decoder, frame->data);
-
- decoder->system = e_dv_system_625_50; // PAL lines, PAL framerate
- decoder->sampling = e_dv_sample_422; // 4 bytes y, 2 bytes u, 2 bytes v
- decoder->std = e_dv_std_iec_61834;
- decoder->num_dif_seqs = 12;
-
- // libdv img decode to rgb
- dv_decode_full_frame(decoder,
- frame->data,
- e_dv_color_rgb,
- pixels,
- pitches);
-
- dv_decoder_free(decoder);
-}