do not translate empty string

[enigma2.git] / lib / dvb / decoder.cpp

diff --git a/lib/dvb/decoder.cpp b/lib/dvb/decoder.cpp
index a05c837c9a10ae5cf4f5f51e0253d602066e182e..6b4a7f25ba2021f34d03e6d20c44c7d373cab223 100644 (file)
--- a/lib/dvb/decoder.cpp
+++ b/lib/dvb/decoder.cpp
@@ -405,7 +405,8 @@ int eTSMPEGDecoder::setState()
        
        if ((nott && m_text) || (!m_text && !nott))
                m_changed |= changeText;
-       
+
+       bool changed = !!m_changed;
 #if HAVE_DVB_API_VERSION < 3
        if (m_changed & changeAudio && m_audio)
                m_audio->stopPid();
@@ -477,7 +478,7 @@ int eTSMPEGDecoder::setState()
        {
                eDebug("VIDEO CHANGED (to %04x)", m_vpid);
                if (m_video)
-               {       
+               {
                        eDebug("STOP");
                        m_video->stop();
                }
@@ -527,6 +528,9 @@ int eTSMPEGDecoder::setState()
                m_changed &= ~changeText;
        }
 #endif
+       if (changed && !m_video && m_audio && m_radio_pic.length())
+               showSinglePic(m_radio_pic.c_str());
+
        return res;
 }
 
@@ -762,3 +766,80 @@ RESULT eTSMPEGDecoder::getPTS(int what, pts_t &pts)
 
        return -1;
 }
+
+RESULT eTSMPEGDecoder::setRadioPic(const std::string &filename)
+{
+       m_radio_pic = filename;
+}
+
+RESULT eTSMPEGDecoder::showSinglePic(const char *filename)
+{
+       if (m_decoder == 0)
+       {
+               FILE *f = fopen(filename, "r");
+               if (f)
+               {
+                       int vfd = open("/dev/dvb/adapter0/video0", O_RDWR);
+                       if (vfd > 0)
+                       {
+                               fseek(f, 0, SEEK_END);
+                               int length = ftell(f);
+                               unsigned char *buffer = new unsigned char[length*3+9];
+                               if (ioctl(vfd, VIDEO_FAST_FORWARD, 1) < 0)
+                                       eDebug("VIDEO_FAST_FORWARD failed (%m)");
+                               if (ioctl(vfd, VIDEO_SELECT_SOURCE, VIDEO_SOURCE_MEMORY) < 0)
+                                       eDebug("VIDEO_SELECT_SOURCE MEMORY failed (%m)");
+                               if (ioctl(vfd, VIDEO_PLAY) < 0)
+                                       eDebug("VIDEO_PLAY failed (%m)");
+                               int cnt=0;
+                               int pos=0;
+                               while(cnt<3)
+                               {
+                                       int rd;
+                                       fseek(f, 0, SEEK_SET);
+                                       while(1)
+                                       {
+                                               if (!cnt)
+                                               {
+                                                       buffer[pos++]=0;
+                                                       buffer[pos++]=0;
+                                                       buffer[pos++]=1;
+                                                       buffer[pos++]=0xE0;
+                                                       buffer[pos++]=(length*3)>>8;
+                                                       buffer[pos++]=(length*3)&0xFF;
+                                                       buffer[pos++]=0x80;
+                                                       buffer[pos++]=0;
+                                                       buffer[pos++]=0;
+                                               }
+                                               rd = fread(buffer+pos, 1, length, f);
+                                               if (rd > 0)
+                                                       pos += rd;
+                                               else
+                                                       break;
+                                       }
+                                       ++cnt;
+                               }
+                               write(vfd, buffer, pos);
+                               usleep(75000);  // i dont like this.. but i dont have a better solution :(
+                               if (ioctl(vfd, VIDEO_SELECT_SOURCE, VIDEO_SOURCE_DEMUX) < 0)
+                                       eDebug("VIDEO_SELECT_SOURCE DEMUX failed (%m)");
+                               if (ioctl(vfd, VIDEO_FAST_FORWARD, 0) < 0)
+                                       eDebug("VIDEO_FAST_FORWARD failed (%m)");
+                               close(vfd);
+                               delete [] buffer;
+                       }
+                       fclose(f);
+               }
+               else
+               {
+                       eDebug("couldnt open %s", filename);
+                       return -1;
+               }
+       }
+       else
+       {
+               eDebug("only show single pics on first decoder");
+               return -1;
+       }
+       return 0;
+}