diff options
Diffstat (limited to 'gem2pdp/pdp2gem.cpp')
| -rw-r--r-- | gem2pdp/pdp2gem.cpp | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/gem2pdp/pdp2gem.cpp b/gem2pdp/pdp2gem.cpp deleted file mode 100644 index a526fd9..0000000 --- a/gem2pdp/pdp2gem.cpp +++ /dev/null @@ -1,201 +0,0 @@ -/* - * pdp2gem : pdp to gem bridge - * - * Holds the contents of a PDP packet and introduce it in the GEM rendering chain - * - * Copyright (c) 2003 Yves Degoyon - * - */ - - -#include "pdp2gem.h" -#include "yuv.h" - -CPPEXTERN_NEW(pdp2gem) - -pdp2gem :: pdp2gem(void) -{ - // initialize the pix block data - m_pixBlock.image.data = NULL; - m_pixBlock.image.xsize = 0; - m_pixBlock.image.ysize = 0; - m_pixBlock.image.csize = 3; - m_pixBlock.image.format = GL_RGB; - m_pixBlock.image.type = GL_UNSIGNED_BYTE; - m_format = GL_RGB; - m_csize = 3; - m_data = NULL; - m_packet0 = -1; - m_xsize = 0; - m_ysize = 0; - m_dropped = 0; - m_pdpdata = NULL; - m_mutex = NULL; - - m_mutex = (pthread_mutex_t*) malloc(sizeof(pthread_mutex_t)); - if ( pthread_mutex_init(m_mutex, NULL) < 0 ) - { - perror("pdp2gem : couldn't create mutex"); - } - else - { - post("pdp2gem : created mutex"); - } - -} - -pdp2gem :: ~pdp2gem() -{ - if ( m_mutex ) - { - pthread_mutex_destroy(m_mutex); - free(m_mutex); - post("pdp2gem : destroyed mutex"); - } - - deleteBuffer(); -} - -void pdp2gem :: deleteBuffer() -{ - if ( m_data ) - { - delete [] m_data; - } - m_pixBlock.image.data=NULL; -} - -void pdp2gem :: createBuffer() -{ - const int neededXSize = m_xsize; - const int neededYSize = m_ysize; - int dataSize; - - deleteBuffer(); - - m_pixBlock.image.xsize = neededXSize; - m_pixBlock.image.ysize = neededYSize; - m_pixBlock.image.csize = m_csize; - m_pixBlock.image.format= m_format; - - // +4 from MPEG - dataSize = (m_pixBlock.image.xsize * m_pixBlock.image.ysize * m_pixBlock.image.csize)+4; - m_data = new unsigned char[dataSize]; - memset(m_data, 0, dataSize); - - m_pixBlock.image.data = m_data; - - post("pdp2gem : created buffer %dx%d", m_xsize, m_ysize ); -} - -void pdp2gem :: pdpMess(t_symbol *action, t_int pcktno) -{ - t_int psize; - short int *pY, *pU, *pV; - unsigned char r,g,b; - unsigned char y,u,v; - t_int cpt, px, py; - - if (action == gensym("register_ro")) - { - m_dropped = pdp_packet_copy_ro_or_drop(&m_packet0, pcktno); - } - // post("pdp2gem : got pdp packet #%d : dropped : %d", pcktno, m_dropped ); - - m_header = pdp_packet_header(m_packet0); - - if ((action == gensym("process")) && (-1 != m_packet0) && (!m_dropped)) - { - if ( PDP_IMAGE == m_header->type ) - { - if (pdp_packet_header(m_packet0)->info.image.encoding == PDP_IMAGE_YV12) - { - if ( ( m_xsize != (int)m_header->info.image.width ) || - ( m_ysize != (int)m_header->info.image.height ) ) - { - m_xsize = m_header->info.image.width; - m_ysize = m_header->info.image.height; - createBuffer(); - } - m_pdpdata = (short int *)pdp_packet_data(m_packet0); - psize = m_xsize*m_ysize; - pY = m_pdpdata; - pV = m_pdpdata+psize; - pU = m_pdpdata+psize+(psize>>2); - - // lock mutex - pthread_mutex_lock(m_mutex); - - // copy image data - for ( py=0; py<m_ysize; py++) - { - for ( px=0; px<m_xsize; px++) - { - cpt=((m_ysize-py)*m_xsize+px)*3; - y = *(pY)>>7; - v = (*(pV)>>8)+128; - u = (*(pU)>>8)+128; - m_data[cpt++] = yuv_YUVtoR( y, u, v ); - m_data[cpt++] = yuv_YUVtoG( y, u, v ); - m_data[cpt] = yuv_YUVtoB( y, u, v ); - pY++; - if ( (px%2==0) && (py%2==0) ) - { - pV++; pU++; - } - } - } - - // unlock mutex - pthread_mutex_unlock(m_mutex); - - // free PDP packet - pdp_packet_mark_unused(m_packet0); - m_packet0 = -1; - } - else - { - post("pdp2gem : unsupported image type", m_header->info.image.encoding ); - } - } - } - -} - -void pdp2gem :: startRendering() -{ - m_pixBlock.newimage = 1; -} - -void pdp2gem :: render(GemState *state) -{ - if ( m_data ) - { - // lock mutex - pthread_mutex_lock(m_mutex); - - m_pixBlock.newimage = 1; - state->image = &m_pixBlock; - } -} - -void pdp2gem :: postrender(GemState *state) -{ - m_pixBlock.newimage = 0; - - // unlock mutex - pthread_mutex_unlock(m_mutex); -} - -void pdp2gem :: obj_setupCallback(t_class *classPtr) -{ - post( "pdp2gem : a bridge between PDP/PiDiP and GEM v"GEM2PDP_VERSION" (ydegoyon@free.fr)" ); - class_addmethod(classPtr, (t_method)&pdp2gem::pdpCallback, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); -} - -void pdp2gem :: pdpCallback(void *data, t_symbol *action, t_floatarg fpcktno) -{ - // post("pdp2gem : callback : action : %s : no : %f", action->s_name, fpcktno ); - GetMyClass(data)->pdpMess(action, (int)fpcktno); -} - |