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/* Copyright (c) MediaArea.net SARL. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license that can
* be found in the License.html file in the root of the source tree.
*/
//---------------------------------------------------------------------------
// Pre-compilation
#include "MediaInfo/PreComp.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
#include "MediaInfo/Setup.h"
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
#if defined(MEDIAINFO_PCM_YES)
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
#include "MediaInfo/Audio/File_Pcm.h"
#if MEDIAINFO_DEMUX
#include "MediaInfo/MediaInfo_Config_MediaInfo.h"
#endif //MEDIAINFO_DEMUX
//---------------------------------------------------------------------------
namespace MediaInfoLib
{
//***************************************************************************
// Infos
//***************************************************************************
//---------------------------------------------------------------------------
const char* Smpte_St0302_ChannelsPositions(int8u Channels)
{
switch (Channels)
{
case 2 : return "Front: L R"; //2 channels
case 4 : return "Front: L C R, LFE"; //4 channels
case 6 : return "Front: L C R, Side: L R, LFE"; //6 channels
case 8 : return "Front: L C R, Side: L R, Back: L R, LFE"; //8 channels
default : return "";
}
}
//---------------------------------------------------------------------------
const char* Smpte_St0302_ChannelsPositions2(int8u Channels)
{
switch (Channels)
{
case 2 : return "2/0/0.0"; //2 channels
case 4 : return "3/0/0.1"; //4 channels
case 6 : return "3/2/0.1"; //6 channels
case 8 : return "3/2/2.1"; //8 channels
default : return "";
}
}
//***************************************************************************
// Constructor/Destructor
//***************************************************************************
//---------------------------------------------------------------------------
File_Pcm::File_Pcm()
{
//Configuration
ParserName=__T("PCM");
#if MEDIAINFO_TRACE
Trace_Layers_Update(8); //Stream
#endif //MEDIAINFO_TRACE
IsRawStream=true;
PTS_DTS_Needed=true;
//In
Frame_Count_Valid=4;
BitDepth=0;
BitDepth_Significant=0;
Channels=0;
SamplingRate=0;
Endianness='\0';
Sign='\0';
#if MEDIAINFO_DEMUX
Frame_Count_Valid_Demux=0;
#endif //MEDIAINFO_DEMUX
}
//***************************************************************************
// Streams management
//***************************************************************************
//---------------------------------------------------------------------------
void File_Pcm::Streams_Fill()
{
if (Count_Get(Stream_Audio)==0)
{
Stream_Prepare(Stream_Audio);
Fill(Stream_Audio, 0, Audio_Format, "PCM");
Fill(Stream_Audio, 0, Audio_Codec, "PCM");
}
//Filling
Ztring Firm, ITU;
if (Codec==__T("EVOB")) {Firm=__T(""); Endianness='B'; Sign='S';} //PCM Signed 16 bits Big Endian, Interleavement is for 2 samples*2 channels L0-1/L0-0/R0-1/R0-0/L1-1/L1-0/R1-1/R1-0/L0-2/R0-2/L1-2/R1-2, http://wiki.multimedia.cx/index.php?title=PCM
else if (Codec==__T("VOB")) {Firm=__T(""); Endianness='B'; Sign='S';} //PCM Signed 16 bits Big Endian, Interleavement is for 2 samples*2 channels L0-1/L0-0/R0-1/R0-0/L1-1/L1-0/R1-1/R1-0/L0-2/R0-2/L1-2/R1-2, http://wiki.multimedia.cx/index.php?title=PCM
else if (Codec==__T("M2TS")) {Firm=__T(""); Endianness='B'; Sign='S';} //PCM Signed Big Endian
else if (Codec==__T("A_PCM/INT/BIG")) {Firm=__T(""); Endianness='B';}
else if (Codec==__T("A_PCM/INT/LITTLE")) {Firm=__T(""); Endianness='L';}
else if (Codec==__T("A_PCM/INT/FLOAT")) {Firm=__T(""); Endianness='B'; Sign='F';}
else if (Codec==__T("fl32")) { if (!Endianness) Endianness='B'; if (!Sign) Sign='F'; BitDepth=32;}
else if (Codec==__T("fl64")) { if (!Endianness) Endianness='B'; if (!Sign) Sign='F'; BitDepth=64;}
else if (Codec==__T("in24")) { if (!Endianness) Endianness='B'; if (!Sign) Sign='U'; BitDepth=24;}
else if (Codec==__T("in32")) { if (!Endianness) Endianness='B'; if (!Sign) Sign='U'; BitDepth=32;}
else if (Codec==__T("raw ")) { if (!Endianness) Endianness='L'; Sign='U';}
else if (Codec==__T("twos")) { Endianness='B'; Sign='S';}
else if (Codec==__T("sowt")) { Endianness='L'; Sign='S';}
else if (Codec==__T("lpcm")) { if (!Endianness) Endianness='B'; if (!Sign) Sign='S';}
else if (Codec==__T("SWF ADPCM")) {Firm=__T("SWF");}
else if (Codec==__T("1")) { if (BitDepth)
{
if (BitDepth>8)
{ Endianness='L'; Sign='S';}
else
{ Sign='U';}
}
}
else if (Codec==__T("2")) {Firm=__T("Microsoft");}
else if (Codec==__T("3")) { Endianness='F';}
else if (Codec==__T("10")) {Firm=__T("OKI");}
else if (Codec==__T("11")) {Firm=__T("Intel");}
else if (Codec==__T("12")) {Firm=__T("Mediaspace");}
else if (Codec==__T("13")) {Firm=__T("Sierra");}
else if (Codec==__T("14")) {Firm=__T("Antex");}
else if (Codec==__T("17")) {Firm=__T("Dialogic");}
else if (Codec==__T("18")) {Firm=__T("Mediavision");}
else if (Codec==__T("20")) {Firm=__T("Yamaha");}
else if (Codec==__T("33")) {Firm=__T("Antex");}
else if (Codec==__T("36")) {Firm=__T("DSP Solution");}
else if (Codec==__T("38")) {Firm=__T("Natural MicroSystems");}
else if (Codec==__T("39")) {Firm=__T("Crystal Semiconductor");}
else if (Codec==__T("3B")) {Firm=__T("Rockwell");}
else if (Codec==__T("40")) {Firm=__T("Antex Electronics");}
else if (Codec==__T("42")) {Firm=__T("IBM");}
else if (Codec==__T("45")) {Firm=__T("Microsoft"); ITU=__T("G.726");}
else if (Codec==__T("64")) {Firm=__T("Apicom"); ITU=__T("G.726");}
else if (Codec==__T("65")) {Firm=__T("Apicom"); ITU=__T("G.722");}
else if (Codec==__T("85")) {Firm=__T("DataFusion Systems"); ITU=__T("G.726");}
else if (Codec==__T("8B")) {Firm=__T("Infocom"); ITU=__T("G.721");}
else if (Codec==__T("97")) {Firm=__T("ZyXEL");}
else if (Codec==__T("100")) {Firm=__T("Rhetorex");}
else if (Codec==__T("125")) {Firm=__T("Sanyo");}
else if (Codec==__T("140")) {Firm=__T("Dictaphone"); ITU=__T("G.726");}
else if (Codec==__T("170")) {Firm=__T("Unisys");}
else if (Codec==__T("175")) {Firm=__T("SyCom"); ITU=__T("G.726");}
else if (Codec==__T("178")) {Firm=__T("Knownledge");}
else if (Codec==__T("200")) {Firm=__T("Creative");}
else if (Codec==__T("210")) {Firm=__T("Uher");}
else if (Codec==__T("285")) {Firm=__T("Norcom Voice Systems");}
else if (Codec==__T("1001")) {Firm=__T("Olivetti");}
else if (Codec==__T("1C03")) {Firm=__T("Lucent"); ITU=__T("G.723");}
else if (Codec==__T("1C0C")) {Firm=__T("Lucent"); ITU=__T("G.723");}
else if (Codec==__T("4243")) {ITU=__T("G.726");}
else if (Codec==__T("A105")) {ITU=__T("G.726");}
else if (Codec==__T("A107")) {ITU=__T("G.726");}
//Format
Fill(Stream_Audio, 0, Audio_Codec_String, "PCM");
Fill(Stream_Audio, 0, Audio_Codec_Family, "PCM");
Fill(Stream_Audio, 0, Audio_BitRate_Mode, "CBR");
//SamplingRate
if (SamplingRate)
Fill(Stream_Audio, 0, Audio_SamplingRate, SamplingRate);
//Firm
Fill(Stream_Audio, 0, Audio_Format_Settings, Firm);
Fill(Stream_Audio, 0, Audio_Format_Settings_Firm, Firm);
Fill(Stream_Audio, 0, Audio_Codec_Settings, Firm);
Fill(Stream_Audio, 0, Audio_Codec_Settings_Firm, Firm);
//Endianess
const char* Value;
switch (Endianness)
{
case 'B': Value="Big"; break;
case 'L': Value="Little"; break;
default : Value="";
}
Fill(Stream_Audio, 0, Audio_Format_Settings, Value);
Fill(Stream_Audio, 0, Audio_Format_Settings_Endianness, Value);
Fill(Stream_Audio, 0, Audio_Codec_Settings, Value);
Fill(Stream_Audio, 0, Audio_Codec_Settings_Endianness, Value);
//Sign
switch (Sign)
{
case 'S': Value="Signed"; break;
case 'U': Value="Unsigned"; break;
default : Value="";
}
Fill(Stream_Audio, 0, Audio_Format_Settings, Value);
Fill(Stream_Audio, 0, Audio_Format_Settings_Sign, Value);
Fill(Stream_Audio, 0, Audio_Codec_Settings, Value);
Fill(Stream_Audio, 0, Audio_Codec_Settings_Sign, Value);
//ITU
Fill(Stream_Audio, 0, Audio_Format_Settings, ITU);
Fill(Stream_Audio, 0, Audio_Format_Settings_ITU, ITU);
Fill(Stream_Audio, 0, Audio_Codec_Settings, ITU);
Fill(Stream_Audio, 0, Audio_Codec_Settings_ITU, ITU);
//BitDepth
if (BitDepth_Significant)
{
Fill(Stream_Audio, 0, Audio_BitDepth, BitDepth_Significant);
Fill(Stream_Audio, 0, Audio_BitDepth_Stored, BitDepth);
}
else if (BitDepth)
Fill(Stream_Audio, 0, Audio_BitDepth, BitDepth);
//Channels
if (Channels)
Fill(Stream_Audio, 0, Audio_Channel_s_, Channels);
//Bit rate
if (SamplingRate && BitDepth && Channels)
Fill(Stream_Audio, 0, Audio_BitRate, SamplingRate*BitDepth*Channels);
//ChannelsPositions
if (Codec==__T("SMPTE ST 337"))
{
Fill(Stream_Audio, 0, Audio_ChannelPositions, Smpte_St0302_ChannelsPositions(Channels));
Fill(Stream_Audio, 0, Audio_ChannelPositions_String2, Smpte_St0302_ChannelsPositions2(Channels));
}
}
//---------------------------------------------------------------------------
void File_Pcm::Streams_Finish()
{
//No frames in PCM!
Frame_Count=(int64u)-1;
Frame_Count_NotParsedIncluded=(int64u)-1;
}
//***************************************************************************
// Buffer - Global
//***************************************************************************
//---------------------------------------------------------------------------
#if MEDIAINFO_DEMUX
void File_Pcm::Read_Buffer_Continue()
{
if (Demux_UnpacketizeContainer && !Status[IsAccepted])
{
Frame_Count_Valid_Demux++;
if (Frame_Count_Valid_Demux<Frame_Count_Valid)
Element_WaitForMoreData();
}
}
#endif //MEDIAINFO_DEMUX
//***************************************************************************
// Buffer - File header
//***************************************************************************
//---------------------------------------------------------------------------
bool File_Pcm::FileHeader_Begin()
{
if (!Frame_Count_Valid)
{
Accept();
Finish();
}
return true;
}
//***************************************************************************
// Buffer - Per element
//***************************************************************************
//---------------------------------------------------------------------------
void File_Pcm::Header_Parse()
{
//Filling
Header_Fill_Code(0, "Block");
if (BitDepth && Channels)
{
int64u Size=(Element_Size/(BitDepth*Channels/8))*(BitDepth*Channels/8); //A complete sample
if (Element_Size && Size==0)
{
Element_WaitForMoreData();
return;
}
Header_Fill_Size(Size);
}
else
Header_Fill_Size(Element_Size); // Unknown sample size
}
//---------------------------------------------------------------------------
void File_Pcm::Data_Parse()
{
#if MEDIAINFO_DEMUX
FrameInfo.PTS=FrameInfo.DTS;
if (Frame_Count_Valid_Demux)
{
if (FrameInfo.DUR!=(int64u)-1)
FrameInfo.DUR*=Frame_Count_Valid_Demux;
if (Frame_Count_NotParsedIncluded!=(int64u)-1 && Frame_Count_NotParsedIncluded>=Frame_Count_Valid_Demux)
Frame_Count_NotParsedIncluded-=Frame_Count_Valid_Demux-1;
}
Demux_random_access=true;
Element_Code=(int64u)-1;
if (BitDepth==20 && Endianness=='L' && Config->Demux_PCM_20bitTo16bit_Get())
{
size_t Info_Offset=(size_t)Element_Size;
const int8u* Info=Buffer+Buffer_Offset;
size_t Info2_Size=Info_Offset*4/5;
int8u* Info2=new int8u[Info2_Size];
size_t Info2_Pos=0;
size_t Info_Pos=0;
//Removing bits 3-0 (Little endian)
// Dest : 20LE / L1L0 L3L2 R0L4 R2R1 R4R3
// Source: L2L1 L4L3 R2R1 R4R2
while (Info_Pos+5<=Info_Offset)
{
Info2[Info2_Pos ] =(Info[Info_Pos+1]<<4 ) | (Info[Info_Pos+0]>>4 );
Info2[Info2_Pos+1] =(Info[Info_Pos+2]<<4 ) | (Info[Info_Pos+1]>>4 );
Info2[Info2_Pos+2] = Info[Info_Pos+3] ;
Info2[Info2_Pos+3] = Info[Info_Pos+4] ;
Info2_Pos+=4;
Info_Pos+=5;
}
Demux(Info2, Info2_Pos, ContentType_MainStream);
delete[] Info2;
}
else if (BitDepth==20 && Endianness=='L' && Config->Demux_PCM_20bitTo24bit_Get())
{
size_t Info_Offset=(size_t)Element_Size;
const int8u* Info=Buffer+Buffer_Offset;
size_t Info2_Size=Info_Offset*6/5;
int8u* Info2=new int8u[Info2_Size];
size_t Info2_Pos=0;
size_t Info_Pos=0;
//Padding bits 3-0 (Little endian)
// Dest : 20LE / L1L0 L3L2 R0L4 R2R1 R4R3
// Source: L0XX L2L1 L4L3 R0XX R2R1 R4R2
while (Info_Pos+5<=Info_Offset)
{
Info2[Info2_Pos ] = Info[Info_Pos+0]<<4 ;
Info2[Info2_Pos+1] =(Info[Info_Pos+1]<<4 ) | (Info[Info_Pos+0]>>4 );
Info2[Info2_Pos+2] =(Info[Info_Pos+2]<<4 ) | (Info[Info_Pos+1]>>4 );
Info2[Info2_Pos+3] = Info[Info_Pos+2]&0xF0 ;
Info2[Info2_Pos+4] = Info[Info_Pos+3] ;
Info2[Info2_Pos+5] = Info[Info_Pos+4] ;
Info2_Pos+=6;
Info_Pos+=5;
}
Demux(Info2, Info2_Pos, ContentType_MainStream);
delete[] Info2;
}
else
{
Demux(Buffer+Buffer_Offset, (size_t)Element_Size, ContentType_MainStream);
}
#endif //MEDIAINFO_DEMUX
//Parsing
Skip_XX(Element_Size, "Data"); //It is impossible to detect... Default is no detection, only filling
#if MEDIAINFO_DEMUX
if (Frame_Count_Valid_Demux)
{
Frame_Count+=Frame_Count_Valid_Demux-1;
if (Frame_Count_NotParsedIncluded!=(int64u)-1)
Frame_Count_NotParsedIncluded+=Frame_Count_Valid_Demux-1;
FrameInfo.DUR/=Frame_Count_Valid_Demux;
if (FrameInfo.DTS!=(int64u)-1)
FrameInfo.DTS+=FrameInfo.DUR*Frame_Count;
Frame_Count_Valid_Demux=0;
}
#endif //MEDIAINFO_DEMUX
Frame_Count++;
if (Frame_Count_NotParsedIncluded!=(int64u)-1)
Frame_Count_NotParsedIncluded++;
if (FrameInfo.DTS!=(int64u)-1 && FrameInfo.DUR!=(int64u)-1)
{
FrameInfo.DTS+=FrameInfo.DUR;
FrameInfo.PTS=FrameInfo.DTS;
}
if ((!Status[IsAccepted] && Frame_Count>=Frame_Count_Valid) || File_Offset+Buffer_Size>=File_Size)
{
Accept();
Fill();
}
}
//***************************************************************************
// C++
//***************************************************************************
} //NameSpace
#endif //MEDIAINFO_PCM_YES
|
