+++ /dev/null
-/*! ========================================================================
-** Sinfg
-** bsd_mpeg1 Target Module
-** $Id: trgt_mpg.cpp,v 1.1.1.1 2005/01/04 01:23:14 darco Exp $
-**
-** Copyright (c) 2002 Robert B. Quattlebaum Jr.
-**
-** This software and associated documentation
-** are CONFIDENTIAL and PROPRIETARY property of
-** the above-mentioned copyright holder.
-**
-** You may not copy, print, publish, or in any
-** other way distribute this software without
-** a prior written agreement with
-** the copyright holder.
-**
-** === N O T E S ===========================================================
-**
-** ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#define SINFG_TARGET
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <ETL/stringf>
-#include "trgt_mpg.h"
-#include <stdio.h>
-#include <iostream>
-#include <algorithm>
-#include <functional>
-#endif
-
-/* === M A C R O S ========================================================= */
-
-using namespace sinfg;
-using namespace std;
-using namespace etl;
-
-/* === G L O B A L S ======================================================= */
-
-const char bsd_mpeg1::Name[]="mpeg1";
-const char bsd_mpeg1::Ext[]="mpg";
-
-#define tmp_dir string("/tmp/")
-
-/* === M E T H O D S ======================================================= */
-
-Target *
-bsd_mpeg1::New(const char *filename)
-{
- return new bsd_mpeg1(filename);
-}
-
-bsd_mpeg1::bsd_mpeg1(const char *Filename)
-{
- filename=Filename;
- passthru=ppm::New((tmp_dir+"temp.ppm").c_str());
- paramfile=NULL;
-
-}
-
-bsd_mpeg1::~bsd_mpeg1()
-{
- if(paramfile)
- fclose(paramfile);
- delete passthru;
- cerr<<"Encoding "<<filename<<"with \"mpeg_encode\" utility..."<<endl;
- if(system("mpeg_encode -float-dct -realquiet /tmp/temp.param")!=0)
- {
- cerr<<"Failed to encode "<<filename<<"with \"mpeg_encode\" utility"<<endl;
- cerr<<"Are you sure it is installed?"<<endl;
- }
-}
-
-bool
-bsd_mpeg1::set_rend_desc(RendDesc *given_desc)
-{
- if(paramfile)
- fclose(paramfile);
-
-
- paramfile=fopen((tmp_dir+"temp.param").c_str(),"wt");
- int bitrate=150; // kbytes per second
- int buffer_drift=50; // bitrate drift (in kbytes per second)
-
- bitrate*=8*1024;
- buffer_drift*=8*1024;
-
- fprintf(paramfile,
- "PATTERN IBBPBBPBBPBBPBBP\n"
- "OUTPUT %s\n"
- "BASE_FILE_FORMAT PPM\n"
- "INPUT_CONVERT *\n"
- "GOP_SIZE 16\n"
- "SLICES_PER_FRAME 1\n"
- "INPUT_DIR \n"
- "PIXEL HALF\n"
- "RANGE 10\n"
- "PSEARCH_ALG LOGARITHMIC\n"
- "BSEARCH_ALG CROSS2\n"
-// "IQSCALE 8\n"
-// "PQSCALE 10\n"
-// "BQSCALE 25\n"
- "IQSCALE 3\n"
- "PQSCALE 5\n"
- "BQSCALE 10\n"
- "REFERENCE_FRAME ORIGINAL\n"
- "BIT_RATE %d\n"
-// "BIT_RATE 1000000\n"
-// "BUFFER_SIZE 327680\n"
- "BUFFER_SIZE %d\n"
- ,filename.c_str(),bitrate,buffer_drift);
- float fps=given_desc->get_frame_rate();
-
- // Valid framerates:
- // 23.976, 24, 25, 29.97, 30, 50 ,59.94, 60
-
- if(fps <24.0)
- {
- fprintf(paramfile,"FRAME_RATE 23.976\n");
- given_desc->set_frame_rate(23.976);
- }
- if(fps>=24.0 && fps <25.0)
- {
- fprintf(paramfile,"FRAME_RATE 24\n");
- given_desc->set_frame_rate(24);
- }
- if(fps>=25.0 && fps <29.97)
- {
- fprintf(paramfile,"FRAME_RATE 25\n");
- given_desc->set_frame_rate(25);
- }
- if(fps>=29.97 && fps <30.0)
- {
- fprintf(paramfile,"FRAME_RATE 29.97\n");
- given_desc->set_frame_rate(29.97);
- }
- if(fps>=29.97 && fps <30.0)
- {
- fprintf(paramfile,"FRAME_RATE 29.97\n");
- given_desc->set_frame_rate(29.97);
- }
- if(fps>=30.0 && fps <50.0)
- {
- fprintf(paramfile,"FRAME_RATE 30\n");
- given_desc->set_frame_rate(30.0);
- }
- if(fps>=50.0 && fps <59.94)
- {
- fprintf(paramfile,"FRAME_RATE 50\n");
- given_desc->set_frame_rate(50);
- }
- if(fps>=59.94)
- {
- fprintf(paramfile,"FRAME_RATE 59.94\n");
- given_desc->set_frame_rate(59.94);
- }
-
- // Make sure that the width and height
- // are multiples of 8
- given_desc->set_w((given_desc->get_w()+4)/8*8);
- given_desc->set_h((given_desc->get_h()+4)/8*8);
-
- if(!passthru->set_rend_desc(given_desc))
- return false;
-
- desc=*given_desc;
-
- fprintf(paramfile,
- "INPUT\n"
- "tmp/temp*.ppm [%04d-%04d]\n"
- "END_INPUT\n",desc.get_frame_start(),desc.get_frame_end()-1);
-
- fclose(paramfile);
- paramfile=NULL;
-
- return true;
-}
-
-void
-bsd_mpeg1::end_frame()
-{
- passthru->end_frame();
-}
-
-bool
-bsd_mpeg1::start_frame(sinfg::ProgressCallback *callback)
-{
- return passthru->start_frame(callback);
-}
-
-unsigned char *
-bsd_mpeg1::start_scanline(int scanline)
-{
- return passthru->start_scanline(scanline);
-}
-
-bool
-bsd_mpeg1::end_scanline(void)
-{
- return passthru->end_scanline();
-}
projects / synfig.git / blobdiff