X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fmodules%2Fmod_ffmpeg%2Ftrgt_ffmpeg.cpp;h=d2e85256811d75fc0719c9075cb945e81145e7e2;hb=83224f8cf1f9b7b15918a130759717a5a375be91;hp=db21ea31e2cde0583cb8826b0b350a6b65e6756d;hpb=70bcefce2ab011a11014f36fc129b473cc0bc61e;p=synfig.git diff --git a/synfig-core/trunk/src/modules/mod_ffmpeg/trgt_ffmpeg.cpp b/synfig-core/trunk/src/modules/mod_ffmpeg/trgt_ffmpeg.cpp index db21ea3..d2e8525 100644 --- a/synfig-core/trunk/src/modules/mod_ffmpeg/trgt_ffmpeg.cpp +++ b/synfig-core/trunk/src/modules/mod_ffmpeg/trgt_ffmpeg.cpp @@ -2,6 +2,8 @@ /*! \file trgt_ffmpeg.cpp ** \brief ppm Target Module ** +** $Id$ +** ** \legal ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley ** @@ -34,6 +36,9 @@ #include #include "trgt_ffmpeg.h" #include +#include +#include +#include #include #include #include @@ -52,12 +57,13 @@ SYNFIG_TARGET_INIT(ffmpeg_trgt); SYNFIG_TARGET_SET_NAME(ffmpeg_trgt,"ffmpeg"); SYNFIG_TARGET_SET_EXT(ffmpeg_trgt,"mpg"); SYNFIG_TARGET_SET_VERSION(ffmpeg_trgt,"0.1"); -SYNFIG_TARGET_SET_CVS_ID(ffmpeg_trgt,"$Id: trgt_ffmpeg.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $"); +SYNFIG_TARGET_SET_CVS_ID(ffmpeg_trgt,"$Id$"); /* === M E T H O D S ======================================================= */ ffmpeg_trgt::ffmpeg_trgt(const char *Filename) { + pid=-1; file=NULL; filename=Filename; multi_image=false; @@ -72,7 +78,9 @@ ffmpeg_trgt::~ffmpeg_trgt() { etl::yield(); sleep(1); - pclose(file); + fclose(file); + int status; + waitpid(pid,&status,0); } file=NULL; delete [] buffer; @@ -122,11 +130,43 @@ ffmpeg_trgt::init() imagecount=desc.get_frame_start(); if(desc.get_frame_end()-desc.get_frame_start()>0) multi_image=true; - string command; - - command=strprintf("ffmpeg -f image2pipe -vcodec ppm -an -r %f -i pipe: -loop -hq -title \"%s\" -vcodec mpeg1video -y \"%s\"\n",desc.get_frame_rate(),get_canvas()->get_name().c_str(),filename.c_str()); - file=popen(command.c_str(),"w"); + int p[2]; + + if (pipe(p)) { + synfig::error(_("Unable to open pipe to ffmpeg")); + return false; + }; + + pid = fork(); + + if (pid == -1) { + synfig::error(_("Unable to open pipe to ffmpeg")); + return false; + } + + if (pid == 0){ + // Child process + // Close pipeout, not needed + close(p[1]); + // Dup pipeout to stdin + if( dup2( p[0], STDIN_FILENO ) == -1 ){ + synfig::error(_("Unable to open pipe to ffmpeg")); + return false; + } + // Close the unneeded pipeout + close(p[0]); + execlp("ffmpeg", "ffmpeg", "-f", "image2pipe", "-vcodec", "ppm", "-an", "-r", strprintf("%f", desc.get_frame_rate()).c_str(), "-i", "pipe:", "-loop", "-hq", "-title", get_canvas()->get_name().c_str(), "-vcodec", "mpeg1video", "-y", "--", filename.c_str(), (const char *)NULL); + // We should never reach here unless the exec failed + synfig::error(_("Unable to open pipe to ffmpeg")); + return false; + } else { + // Parent process + // Close pipein, not needed + close(p[0]); + // Save pipeout to file handle, will write to it later + file = fdopen(p[1], "wb"); + } // etl::yield(); @@ -148,7 +188,7 @@ ffmpeg_trgt::end_frame() } bool -ffmpeg_trgt::start_frame(synfig::ProgressCallback *callback) +ffmpeg_trgt::start_frame(synfig::ProgressCallback */*callback*/) { int w=desc.get_w(),h=desc.get_h(); @@ -168,7 +208,7 @@ ffmpeg_trgt::start_frame(synfig::ProgressCallback *callback) } Color * -ffmpeg_trgt::start_scanline(int scanline) +ffmpeg_trgt::start_scanline(int /*scanline*/) { return color_buffer; }