- Reestructuración de ficheros y directorios general
- merge v0.01 --> Añadido fileselector - Añadidas fuentes de Gem y Pure Data - pix2jpg incluído en Gem. Archivos de construcción de Gem modificados. - Añadido fichero ompiling.txt con instrucciones de compilación
This commit is contained in:
Santi Noreña
parent
c9adfd020b
commit
e85d191b46
3100 changed files with 775434 additions and 3073 deletions
35
Gem/plugins/recordV4L2/Makefile.am
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35
Gem/plugins/recordV4L2/Makefile.am
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@ -0,0 +1,35 @@
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ACLOCAL_AMFLAGS = -I $(top_srcdir)/m4
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AM_CPPFLAGS = -I$(top_srcdir)/src @GEM_EXTERNAL_CPPFLAGS@
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pkglib_LTLIBRARIES =
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if HAVE_V4L2
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pkglib_LTLIBRARIES+= gem_recordV4L2.la
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endif
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gem_recordV4L2_la_CXXFLAGS =
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gem_recordV4L2_la_LDFLAGS = -module -avoid-version -shared
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if WINDOWS
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gem_recordV4L2_la_LDFLAGS += -no-undefined
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endif
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gem_recordV4L2_la_LIBADD =
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# RTE
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gem_recordV4L2_la_CXXFLAGS += @GEM_RTE_CFLAGS@ @GEM_ARCH_CXXFLAGS@
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gem_recordV4L2_la_LDFLAGS += @GEM_RTE_LIBS@ @GEM_ARCH_LDFLAGS@
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# flags for building Gem externals
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gem_recordV4L2_la_CXXFLAGS += @GEM_EXTERNAL_CFLAGS@
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gem_recordV4L2_la_LIBADD += -L$(top_builddir) @GEM_EXTERNAL_LIBS@
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# gem_recordV4L2_la @MOREFLAGS@
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# Dependencies
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gem_recordV4L2_la_CXXFLAGS += @GEM_LIB_LIBV4L2_CFLAGS@
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gem_recordV4L2_la_LIBADD += @GEM_LIB_LIBV4L2_LIBS@
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# convenience symlinks
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include $(srcdir)/../symlink_ltlib.mk
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### SOURCES
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gem_recordV4L2_la_SOURCES= recordV4L2.cpp recordV4L2.h
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225
Gem/plugins/recordV4L2/recordV4L2.cpp
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225
Gem/plugins/recordV4L2/recordV4L2.cpp
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@ -0,0 +1,225 @@
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////////////////////////////////////////////////////////
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//
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// GEM - Graphics Environment for Multimedia
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//
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// zmoelnig@iem.kug.ac.at
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//
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// Implementation file
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//
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// Copyright (c) 1997-1999 Mark Danks.
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// Copyright (c) Günther Geiger.
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// Copyright (c) 2001-2011 IOhannes m zmölnig. forum::für::umläute. IEM. zmoelnig@iem.at
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// For information on usage and redistribution, and for a DISCLAIMER OF ALL
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// WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
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//
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/////////////////////////////////////////////////////////
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include "recordV4L2.h"
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#include "Gem/Manager.h"
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#include "Gem/Exception.h"
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#include "plugins/PluginFactory.h"
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using namespace gem::plugins;
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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REGISTER_RECORDFACTORY("V4L2", recordV4L2);
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/////////////////////////////////////////////////////////
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//
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// recordV4L2
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//
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/////////////////////////////////////////////////////////
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// Constructor
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//
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/////////////////////////////////////////////////////////
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recordV4L2 :: recordV4L2(void):
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m_fd(-1)
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{
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m_image.xsize=720;
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m_image.xsize=576;
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m_image.setCsizeByFormat(GL_YUV422_GEM);
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//m_image.setCsizeByFormat(GL_RGBA); /* RGBA works with Gem, but not with GStreamer and xawtv */
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m_image.reallocate();
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switch(m_image.format) {
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case GL_YUV422_GEM: m_palette = V4L2_PIX_FMT_UYVY; break;
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case GL_LUMINANCE: m_palette = V4L2_PIX_FMT_GREY; break;
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case GL_RGBA: m_palette = V4L2_PIX_FMT_RGB32; break;
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default: throw(GemException("invalid colorspace"));
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}
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}
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////////////////////////////////////////////////////////
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// Destructor
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//
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/////////////////////////////////////////////////////////
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recordV4L2 :: ~recordV4L2(void)
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{
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stop();
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}
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void recordV4L2 :: stop(void)
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{
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if(m_fd>=0)
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::close(m_fd);
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m_fd=-1;
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}
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bool recordV4L2 :: start(const std::string filename, gem::Properties&props)
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{
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stop();
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m_fd=::open(filename.c_str(), O_RDWR);
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if(m_fd<0)
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return false;
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struct v4l2_capability vid_caps;
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if(ioctl(m_fd, VIDIOC_QUERYCAP, &vid_caps) == -1) {
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perror("VIDIOC_QUERYCAP");
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stop();
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return false;
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}
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if( !(vid_caps.capabilities & V4L2_CAP_VIDEO_OUTPUT) ) {
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verbose(1, "device '%s' is not a video4linux2 output device");
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stop();
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return false;
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}
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m_init=false;
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return true;
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}
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bool recordV4L2::init(const imageStruct* dummyImage, const int framedur) {
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if(m_init)return true;
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if(m_fd<0)return false;
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unsigned int w=dummyImage->xsize;
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unsigned int h=dummyImage->ysize;
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struct v4l2_capability vid_caps;
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if(ioctl(m_fd, VIDIOC_QUERYCAP, &vid_caps) == -1) {
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perror("VIDIOC_QUERYCAP");
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stop(); return false;
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}
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struct v4l2_format vid_format;
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memset(&vid_format, 0, sizeof(vid_format));
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vid_format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
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vid_format.fmt.pix.width = w;
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vid_format.fmt.pix.height = h;
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vid_format.fmt.pix.pixelformat = m_palette;
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vid_format.fmt.pix.sizeimage = w * h * m_image.csize;
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vid_format.fmt.pix.field = V4L2_FIELD_NONE;
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vid_format.fmt.pix.bytesperline = w * m_image.csize;
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//vid_format.fmt.pix.colorspace = V4L2_COLORSPACE_JPEG;
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vid_format.fmt.pix.colorspace = V4L2_COLORSPACE_SRGB;
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int format= vid_format.fmt.pix.pixelformat;
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verbose(1, "v4l2-output requested %dx%d @ '%c%c%c%c'", vid_format.fmt.pix.width, vid_format.fmt.pix.height,
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(char)(format),
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(char)(format>>8),
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(char)(format>>16),
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(char)(format>>24));
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if(ioctl(m_fd, VIDIOC_S_FMT, &vid_format) == -1) {
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perror("VIDIOC_S_FMT");
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stop(); return false;
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}
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verbose(1, "v4l2-output returned %dx%d @ '%c%c%c%c'", vid_format.fmt.pix.width, vid_format.fmt.pix.height,
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(char)(format),
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(char)(format>>8),
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(char)(format>>16),
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(char)(format>>24));
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/* if the driver returns a format other than requested we should adjust! */
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w=vid_format.fmt.pix.width;
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h=vid_format.fmt.pix.height;
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m_image.xsize=w;
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m_image.ysize=h;
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m_image.reallocate();
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::write(m_fd, m_image.data, m_image.xsize*m_image.ysize*m_image.csize);
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m_init=true;
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return true;
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}
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/////////////////////////////////////////////////////////
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// do the actual encoding and writing to file
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//
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/////////////////////////////////////////////////////////
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bool recordV4L2 :: write(imageStruct*img)
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{
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if(!m_init){
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if(!init(img, 0))
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return true;
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}
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m_image.convertFrom(img);
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// m_image.upsidedown=!m_image.upsidedown;
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m_image.fixUpDown();
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int size=m_image.xsize*m_image.ysize*m_image.csize;
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::write(m_fd, m_image.data, size);
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return true;
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}
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static const std::string s_codec_name=std::string("v4l2");
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static const std::string s_codec_desc=std::string("v4l2 loopback device");
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/////////////////////////////////////////////////////////
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// set codec by name
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//
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/////////////////////////////////////////////////////////
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bool recordV4L2 :: setCodec(const std::string name)
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{
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if(name==s_codec_name)
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return true;
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return false;
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}
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/////////////////////////////////////////////////////////
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// get codecs
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//
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/////////////////////////////////////////////////////////
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std::vector<std::string>recordV4L2::getCodecs(void) {
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std::vector<std::string>result;
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result.push_back(s_codec_name);
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return result;
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}
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const std::string recordV4L2::getCodecDescription(const std::string codec) {
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std::string result;
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if(codec==s_codec_name)
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result=s_codec_desc;
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return result;
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}
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bool recordV4L2::enumProperties(gem::Properties&props) {
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props.clear();
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return false;
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}
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108
Gem/plugins/recordV4L2/recordV4L2.h
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108
Gem/plugins/recordV4L2/recordV4L2.h
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@ -0,0 +1,108 @@
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/* -----------------------------------------------------------------
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GEM - Graphics Environment for Multimedia
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Load an digital video (like AVI, Mpeg, Quicktime) into a pix block
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(OS independant parent-class)
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Copyright (c) 1997-1999 Mark Danks. mark@danks.org
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Copyright (c) Günther Geiger. geiger@epy.co.at
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Copyright (c) 2001-2011 IOhannes m zmölnig. forum::für::umläute. IEM. zmoelnig@iem.at
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For information on usage and redistribution, and for a DISCLAIMER OF ALL
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WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
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-----------------------------------------------------------------*/
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#ifndef _INCLUDE_GEMPLUGIN__RECORDV4L2_RECORDV4L2_H_
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#define _INCLUDE_GEMPLUGIN__RECORDV4L2_RECORDV4L2_H_
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#include "plugins/record.h"
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#if defined HAVE_LINUX_VIDEODEV2_H
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# define HAVE_VIDEO4LINUX2
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# include <linux/videodev2.h>
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#endif
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#include <string>
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#include <map>
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/*---------------------------------------------------------------
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-------------------------------------------------------------------
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CLASS
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recordV4L2
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class for outputting video using a v4l2 loopback device
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KEYWORDS
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pix record movie
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DESCRIPTION
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-----------------------------------------------------------------*/
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#if defined HAVE_VIDEO4LINUX2
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namespace gem { namespace plugins {
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class GEM_EXPORT recordV4L2 : public record {
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public:
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//////////
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// Constructor
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recordV4L2(void);
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////////
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// Destructor
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/* free what is apropriate */
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virtual ~recordV4L2(void);
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//////////
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// close the movie file
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// stop recording, close the file and clean up temporary things
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virtual void stop(void);
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//////////
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// open a movie up
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// open the recordV4L2 "filename" (or URI)
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// returns TRUE if opening was successfull, FALSE otherwise
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virtual bool start(const std::string filename, gem::Properties&);
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//////////
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// initialize the encoder
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// dummyImage provides meta-information (e.g. size) that must not change during the encoding cycle
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// (if it does, abort the recording session)
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// framedur is the duration of one frame in [ms]
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//
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// returns TRUE if init was successfull, FALSE otherwise
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virtual bool init(const imageStruct* dummyImage, const int framedur);
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//////////
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// compress and write the next frame
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/* this is the core-function of this class !!!!
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* when called it returns TRUE on success
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* if FALSE is returned, recording must be stopped
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*/
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virtual bool write(imageStruct*);
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virtual bool setCodec(const std::string name);
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/**
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* get a list of supported codecs (short-form names, e.g. "mjpa")
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*/
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virtual std::vector<std::string>getCodecs(void);
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virtual const std::string getCodecDescription(const std::string);
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virtual bool enumProperties(gem::Properties&);
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virtual bool dialog(void) {return false;}
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private:
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int m_fd;
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imageStruct m_image;
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bool m_init;
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int m_palette;
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};
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};};
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#endif /* V4L2 */
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#endif // for header file
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