X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fmodules%2Fmod_ffmpeg%2Ftrgt_ffmpeg.cpp;h=acda8ff62857e883cc1ec4c717ec29c50d2e1d32;hb=d2aca39616b0757abdd4e86a8bad1946df281525;hp=f663efb7e7863556bd35ba143fcdd04114262ed1;hpb=bb3d7752024191d641932add1df2add4c34fc83c;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 f663efb..acda8ff 100644 --- a/synfig-core/trunk/src/modules/mod_ffmpeg/trgt_ffmpeg.cpp +++ b/synfig-core/trunk/src/modules/mod_ffmpeg/trgt_ffmpeg.cpp @@ -6,6 +6,7 @@ ** ** \legal ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley +** Copyright (c) 2007 Chris Moore ** ** This package is free software; you can redistribute it and/or ** modify it under the terms of the GNU General Public License as @@ -37,6 +38,18 @@ #include "trgt_ffmpeg.h" #include #include +#if HAVE_SYS_WAIT_H + #include +#endif +#if HAVE_IO_H + #include +#endif +#if HAVE_PROCESS_H + #include +#endif +#if HAVE_FCNTL_H + #include +#endif #include #include #include @@ -50,6 +63,12 @@ using namespace synfig; using namespace std; using namespace etl; +#if defined(HAVE_FORK) && defined(HAVE_PIPE) && defined(HAVE_WAITPID) + #define UNIX_PIPE_TO_PROCESSES +#else + #define WIN32_PIPE_TO_PROCESSES +#endif + /* === G L O B A L S ======================================================= */ SYNFIG_TARGET_INIT(ffmpeg_trgt); @@ -62,6 +81,7 @@ SYNFIG_TARGET_SET_CVS_ID(ffmpeg_trgt,"$Id$"); ffmpeg_trgt::ffmpeg_trgt(const char *Filename) { + pid=-1; file=NULL; filename=Filename; multi_image=false; @@ -76,7 +96,13 @@ ffmpeg_trgt::~ffmpeg_trgt() { etl::yield(); sleep(1); +#if defined(WIN32_PIPE_TO_PROCESSES) pclose(file); +#elif defined(UNIX_PIPE_TO_PROCESSES) + fclose(file); + int status; + waitpid(pid,&status,0); +#endif } file=NULL; delete [] buffer; @@ -127,6 +153,19 @@ ffmpeg_trgt::init() if(desc.get_frame_end()-desc.get_frame_start()>0) multi_image=true; +#if defined(WIN32_PIPE_TO_PROCESSES) + + string command; + + if( filename.c_str()[0] == '-' ) + 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()); + else + 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(),POPEN_BINARY_WRITE_TYPE); + +#elif defined(UNIX_PIPE_TO_PROCESSES) + int p[2]; if (pipe(p)) { @@ -134,7 +173,7 @@ ffmpeg_trgt::init() return false; }; - pid_t pid = fork(); + pid = fork(); if (pid == -1) { synfig::error(_("Unable to open pipe to ffmpeg")); @@ -143,12 +182,19 @@ ffmpeg_trgt::init() 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; } - 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); + // Close the unneeded pipeout + close(p[0]); + if( filename.c_str()[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); + else + 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; @@ -160,6 +206,10 @@ ffmpeg_trgt::init() file = fdopen(p[1], "wb"); } +#else + #error There are no known APIs for creating child processes +#endif + // etl::yield(); if(!file)