public metaframe_avchd[] getmetadata() //use this with the array type return
//public List<metaframe_avchd> getmetadata() //testing a list return, but can't figure out inheritance
{
int estimatedframes = (int)(((movielength / 1000000) * framerate) * 1.10); //change the last number to add some buffer
totalframes = estimatedframes;
int framesize = numtags * 5;
fullmetadata = new metaframe[estimatedframes];
//for (int i = 1; i< estimatedframes; i++) //for use with byte array version
//{
// //fullmetadata[i].metaframedata = new byte[framesize];
// fullmetadata[i] = new metaframe(framesize);
//}
for (int i = 0; i < estimatedframes; i++) //for use with inptr version //don't forget to free memory
{
fullmetadata[i].frameno = 0;
fullmetadata[i].p_flags = 0;
fullmetadata[i].p_dur = 0;
fullmetadata[i].p_pts = 0;
fullmetadata[i].p_dts = 0;
fullmetadata[i].p_pos = 0;
fullmetadata[i].framedataptr = Marshal.AllocHGlobal(framesize);
}
IntPtr test = getmetadata(moviefile, 0, numtags, metalength, estimatedframes, fullmetadata);
testresult = (String)Marshal.PtrToStringAnsi(test);
if (string.Compare(testresult, "file_open_error") == 0)
{
throw new System.Exception("The Movie File Could Not be Opened");
}
if (string.Compare(testresult, "no_stream_info") == 0)
{
throw new System.Exception("Could Not Find Stream Information");
}
if (string.Compare(testresult, "memory_error") == 0)
{
throw new System.Exception("Memory Error");
}
if (string.Compare(testresult, "camera_not_supported_error") == 0)
{
throw new System.Exception("Camera Not Supported");
}
if (string.Compare(testresult, "videostream_not_found_error") == 0)
{
throw new System.Exception("Video Stream Not Found");
}
if (string.Compare(testresult, "codec_not_found_error") == 0)
{
throw new System.Exception("Unsupported Codec");
}
if (string.Compare(testresult, "open_codec_error") == 0)
{
throw new System.Exception("Could Not Open Codec");
}
if (string.Compare(testresult, "metadata_copied") == 0) //check for correct return flag
{
testoutput = testresult; //need code here to process internal metadata pointers - assuming proper return code
byte [] temp = new byte[framesize];
metaframe_avchd[] resultsarray = new metaframe_avchd[estimatedframes];
for (int i = 0; i < estimatedframes; i++) //for use with inptr version //don't forget to free memory
{
//must marshal ptr to byte array here
Marshal.Copy(fullmetadata[i].framedataptr, temp, 0, framesize);
resultsarray[i] = new metaframe_avchd(i, framesize, temp);
resultsarray[i].PacketFlags = fullmetadata[i].p_flags;
resultsarray[i].PacketDuration = fullmetadata[i].p_dur;
resultsarray[i].PacketPts = fullmetadata[i].p_pts;
resultsarray[i].PacketPos = fullmetadata[i].p_pos;
resultsarray[i].PacketDts = fullmetadata[i].p_dts;
resultsarray[i].PacketDuration = fullmetadata[i].p_dur;
if (fullmetadata[i].p_dur != 0)
{
resultsarray[i].isRealFrame = true;
}
Marshal.FreeHGlobal(fullmetadata[i].framedataptr);
}
return(resultsarray);
//List<metaframe_avchd> metalist = resultsarray.ToList();
//return metalist;
}
else
{
throw new System.Exception("Error Processing AVCHD video file");
}
}
//use this with the array type return
//public List<metaframe_avchd> getmetadata() //testing a list return, but can't figure out inheritance
public metaframe_avchd[] getmetadata()
{
int estimatedframes = (int)(((movielength / 1000000) * framerate) * 1.10); //change the last number to add some buffer
totalframes = estimatedframes;
int framesize = numtags * 5;
fullmetadata = new metaframe[estimatedframes];
//for (int i = 1; i< estimatedframes; i++) //for use with byte array version
//{
// //fullmetadata[i].metaframedata = new byte[framesize];
// fullmetadata[i] = new metaframe(framesize);
//}
for (int i = 0; i < estimatedframes; i++) //for use with inptr version //don't forget to free memory
{
fullmetadata[i].frameno = 0;
fullmetadata[i].p_flags = 0;
fullmetadata[i].p_dur = 0;
fullmetadata[i].p_pts = 0;
fullmetadata[i].p_dts = 0;
fullmetadata[i].p_pos = 0;
fullmetadata[i].framedataptr = Marshal.AllocHGlobal(framesize);
}
IntPtr test = getmetadata(moviefile, 0, numtags, metalength, estimatedframes, fullmetadata);
testresult = (String)Marshal.PtrToStringAnsi(test);
if (string.Compare(testresult, "file_open_error") == 0)
{
throw new System.Exception("The Movie File Could Not be Opened");
}
if (string.Compare(testresult, "no_stream_info") == 0)
{
throw new System.Exception("Could Not Find Stream Information");
}
if (string.Compare(testresult, "memory_error") == 0)
{
throw new System.Exception("Memory Error");
}
if (string.Compare(testresult, "camera_not_supported_error") == 0)
{
throw new System.Exception("Camera Not Supported");
}
if (string.Compare(testresult, "videostream_not_found_error") == 0)
{
throw new System.Exception("Video Stream Not Found");
}
if (string.Compare(testresult, "codec_not_found_error") == 0)
{
throw new System.Exception("Unsupported Codec");
}
if (string.Compare(testresult, "open_codec_error") == 0)
{
throw new System.Exception("Could Not Open Codec");
}
if (string.Compare(testresult, "metadata_copied") == 0) //check for correct return flag
{
testoutput = testresult; //need code here to process internal metadata pointers - assuming proper return code
byte [] temp = new byte[framesize];
metaframe_avchd[] resultsarray = new metaframe_avchd[estimatedframes];
for (int i = 0; i < estimatedframes; i++) //for use with inptr version //don't forget to free memory
{
//must marshal ptr to byte array here
Marshal.Copy(fullmetadata[i].framedataptr,temp,0,framesize);
resultsarray[i] = new metaframe_avchd(i, framesize, temp);
resultsarray[i].PacketFlags = fullmetadata[i].p_flags;
resultsarray[i].PacketDuration = fullmetadata[i].p_dur;
resultsarray[i].PacketPts = fullmetadata[i].p_pts;
resultsarray[i].PacketPos = fullmetadata[i].p_pos;
resultsarray[i].PacketDts = fullmetadata[i].p_dts;
resultsarray[i].PacketDuration = fullmetadata[i].p_dur;
if (fullmetadata[i].p_dur != 0) resultsarray[i].isRealFrame = true;
Marshal.FreeHGlobal(fullmetadata[i].framedataptr);
}
return resultsarray;
//List<metaframe_avchd> metalist = resultsarray.ToList();
//return metalist;
}
else
{
throw new System.Exception("Error Processing AVCHD video file");
}
}
