static GstFlowReturn
gst_vbisrc_create(GstPushSrc *psrc, GstBuffer **buf)
{
Gstvbisrc *vbisrc = GST_VBISRC_CAST(psrc);
GstFlowReturn ret;
GstMapInfo info;
fd_set rd;
int res;
struct timeval timeout;
int vbi_fd=vbi_capture_fd(vbisrc->pVbiCapt);
vbi_capture_buffer *pVbiBuf;
vbi_sliced *pVbiData;
GstBuffer *outbuf;
uint lineCount;
uint line;
FD_ZERO(&rd);
FD_SET(vbi_fd,&rd);
select(vbi_fd +1 ,&rd , NULL, NULL, NULL);
if (FD_ISSET(vbi_fd,&rd))
{
timeout.tv_sec = 0;
timeout.tv_usec = 1000;
res = vbi_capture_pull_sliced(vbisrc->pVbiCapt,&pVbiBuf,&timeout);
if (res>0 && pVbiBuf !=NULL)
{
lineCount = ((unsigned int)pVbiBuf->size)/sizeof(vbi_sliced);
pVbiData = pVbiBuf->data;
GST_LOG_OBJECT(vbisrc,"Having %d lines in buffer",lineCount);
for (line=0; line<lineCount; line++ ) {
if((pVbiData[line].id & (VBI_SLICED_TELETEXT_B))!=0) {
GST_LOG_OBJECT(vbisrc,"SLICED_TELETEXT found in line %d",pVbiData[line].line);
}
}
ret=GST_BASE_SRC_CLASS(parent_class) -> alloc (GST_BASE_SRC_CAST(vbisrc),
-1,pVbiBuf->size,&outbuf);
gst_buffer_map(outbuf,&info,GST_MAP_WRITE);
memcpy(info.data,(guint8*)pVbiBuf->data,pVbiBuf->size);
gst_buffer_unmap(outbuf,&info);
*buf=GST_BUFFER_CAST(outbuf);
GST_LOG_OBJECT (vbisrc,"Buffer pushed with size: %d", pVbiBuf->size);
return ret;
}
}
return GST_FLOW_ERROR;
}
int GetFdVBI (vlc_v4l2_vbi_t *vbi)
{
return vbi_capture_fd(vbi->cap);
}
void CloseVBI (vlc_v4l2_vbi_t *vbi)
{
close (vbi_capture_fd (vbi->cap));
vbi_capture_delete (vbi->cap);
free (vbi);
}
