static public Mp4BoxMP4A CreateMP4ABox(Int16 RefIndex, Int16 ChannelCount, Int16 SampleSize, Int32 SampleRate, List <Mp4Box> listChild)
{
Mp4BoxMP4A box = new Mp4BoxMP4A();
if (box != null)
{
int ChildLen = 0;
if (listChild != null)
{
foreach (var c in listChild)
{
ChildLen += c.GetBoxLength();
}
}
box.Length = 8 + 6 + 2 + 2 + 2 + 4 + 2 + 2 + 2 + 2 + 2 + 2 + ChildLen;
box.Type = "mp4a";
byte[] Buffer = new byte[box.Length - 8];
if (Buffer != null)
{
WriteMp4BoxInt32(Buffer, 0, 0);
WriteMp4BoxInt16(Buffer, 4, 0);
WriteMp4BoxInt16(Buffer, 6, RefIndex);
WriteMp4BoxInt16(Buffer, 8, 0);
WriteMp4BoxInt16(Buffer, 10, 0);
WriteMp4BoxInt32(Buffer, 12, 0);
WriteMp4BoxInt16(Buffer, 16, ChannelCount);
WriteMp4BoxInt16(Buffer, 18, SampleSize);
WriteMp4BoxInt16(Buffer, 20, 0);
WriteMp4BoxInt16(Buffer, 22, 0);
// HACK
//WriteMp4BoxInt32(Buffer, 24, SampleRate);
WriteMp4BoxInt16(Buffer, 24, (Int16)SampleRate);
WriteMp4BoxInt16(Buffer, 26, 0);
int offset = 28;
if (listChild != null)
{
foreach (var c in listChild)
{
WriteMp4BoxData(Buffer, offset, c.GetBoxBytes());
offset += c.GetBoxLength();
}
}
box.Data = Buffer;
return(box);
}
}
return(null);
}
public static Mp4BoxMOOV CreateAudioMOOVBox(Int16 TrackID, int MaxFrameSize, int Bitrate, int SampleSize, int SampleRate, int Channels, Int32 TimeScale, Int64 Duration, string LanguageCode, string CodecPrivateData, Guid ProtectionGuid, string ProtectionData)
{
Int16 RefIndex = 1;
string handler_type = "soun";
string handler_name = "Audio\0";
DateTime CreationTime = DateTime.Now;
DateTime UpdateTime = DateTime.Now;
Int32 Flags = 7;
if (string.IsNullOrEmpty(LanguageCode))
{
LanguageCode = "und";
}
Mp4BoxESDS boxesds = Mp4BoxESDS.CreateESDSBox(MaxFrameSize, Bitrate, SampleRate, Channels, CodecPrivateData);
if (boxesds != null)
{
List <Mp4Box> list = new List <Mp4Box>();
if (list != null)
{
list.Add(boxesds);
Mp4BoxMP4A boxmp4a = Mp4BoxMP4A.CreateMP4ABox(RefIndex, (Int16)Channels, (Int16)SampleSize, SampleRate, list);
if (boxmp4a != null)
{
list.Clear();
list.Add(boxmp4a);
Mp4BoxSTSD boxstsd = Mp4BoxSTSD.CreateSTSDBox(1, list);
Mp4BoxSTTS boxstts = Mp4BoxSTTS.CreateSTTSBox(0);
Mp4BoxCTTS boxctts = Mp4BoxCTTS.CreateCTTSBox(0);
Mp4BoxSTSC boxstsc = Mp4BoxSTSC.CreateSTSCBox(0);
Mp4BoxSTCO boxstco = Mp4BoxSTCO.CreateSTCOBox(0);
Mp4BoxSTSZ boxstsz = Mp4BoxSTSZ.CreateSTSZBox(0, 0);
if ((boxstsd != null) &&
(boxstts != null) &&
(boxctts != null) &&
(boxstsc != null) &&
(boxstco != null) &&
(boxstsz != null)
)
{
list.Clear();
list.Add(boxstts);
list.Add(boxctts);
list.Add(boxstsc);
list.Add(boxstco);
list.Add(boxstsz);
list.Add(boxstsd);
Mp4BoxSTBL boxstbl = Mp4BoxSTBL.CreateSTBLBox(list);
if (boxstbl != null)
{
string url = string.Empty;
Mp4BoxURL boxurl = Mp4BoxURL.CreateURLBox(url);
if (boxurl != null)
{
list.Clear();
list.Add(boxurl);
Mp4BoxDREF boxdref = Mp4BoxDREF.CreateDREFBox((Int32)list.Count, list);
if (boxdref != null)
{
list.Clear();
list.Add(boxdref);
Mp4BoxDINF boxdinf = Mp4BoxDINF.CreateDINFBox(list);
if (boxdinf != null)
{
Mp4BoxSMHD boxsmhd = Mp4BoxSMHD.CreateSMHDBox();
if (boxsmhd != null)
{
list.Clear();
list.Add(boxsmhd);
list.Add(boxdinf);
list.Add(boxstbl);
Mp4BoxMINF boxminf = Mp4BoxMINF.CreateMINFBox(list);
if (boxminf != null)
{
Mp4BoxHDLR boxhdlr = Mp4BoxHDLR.CreateHDLRBox(handler_type, handler_name);
if (boxhdlr != null)
{
Mp4BoxMDHD boxmdhd = Mp4BoxMDHD.CreateMDHDBox(CreationTime, UpdateTime, TimeScale, Duration, LanguageCode);
if (boxmdhd != null)
{
list.Clear();
list.Add(boxmdhd);
list.Add(boxhdlr);
list.Add(boxminf);
Mp4BoxMDIA boxmdia = Mp4BoxMDIA.CreateMDIABox(list);
if (boxmdia != null)
{
Mp4BoxTKHD boxtkhd = Mp4BoxTKHD.CreateTKHDBox(Flags, CreationTime, UpdateTime, TrackID, Duration, true, 0, 0);
if (boxtkhd != null)
{
list.Clear();
list.Add(boxtkhd);
list.Add(boxmdia);
Mp4BoxTRAK boxtrak = Mp4BoxTRAK.CreateTRAKBox(list);
if (boxtrak != null)
{
Mp4BoxMVHD boxmvhd = Mp4BoxMVHD.CreateMVHDBox(CreationTime, UpdateTime, TimeScale, Duration, TrackID + 1);
if (boxmvhd != null)
{
Mp4BoxMEHD boxmehd = Mp4BoxMEHD.CreateMEHDBox(Duration);
Mp4BoxTREX boxtrex = Mp4BoxTREX.CreateTREXBox(TrackID);
if ((boxmehd != null) &&
(boxtrex != null))
{
list.Clear();
list.Add(boxmehd);
list.Add(boxtrex);
Mp4BoxMVEX boxmvex = Mp4BoxMVEX.CreateMVEXBox(list);
if (boxmvex != null)
{
list.Clear();
list.Add(boxmvhd);
if ((!string.IsNullOrEmpty(ProtectionData)) &&
(ProtectionGuid != Guid.Empty))
{
Mp4BoxUUID boxuuid = Mp4BoxUUID.CreateUUIDBox(kExtProtectHeaderBoxGuid, ProtectionGuid, ProtectionData);
if (boxuuid != null)
{
list.Add(boxuuid);
}
}
list.Add(boxtrak);
list.Add(boxmvex);
return(Mp4BoxMOOV.CreateMOOVBox(list));
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
return(null);
}