diff options
Diffstat (limited to 'src/thirdparty/MediaInfo/MediaInfo/Audio/File_Als.cpp')
| -rw-r--r-- | src/thirdparty/MediaInfo/MediaInfo/Audio/File_Als.cpp | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/src/thirdparty/MediaInfo/MediaInfo/Audio/File_Als.cpp b/src/thirdparty/MediaInfo/MediaInfo/Audio/File_Als.cpp deleted file mode 100644 index 6a7809a27..000000000 --- a/src/thirdparty/MediaInfo/MediaInfo/Audio/File_Als.cpp +++ /dev/null @@ -1,144 +0,0 @@ -/* 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.
- */
-
-//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-//
-// Information about MPEG-4 ALS files
-// http://www.nue.tu-berlin.de/forschung/projekte/lossless/mp4als.html
-// http://wiki.multimedia.cx/index.php?title=MPEG-4_Audio_Lossless_Coding_%28ALS%29
-//
-// Contributor: Lionel Duchateau, kurtnoise@free.fr
-//
-//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-
-//---------------------------------------------------------------------------
-// Pre-compilation
-#include "MediaInfo/PreComp.h"
-#ifdef __BORLANDC__
- #pragma hdrstop
-#endif
-//---------------------------------------------------------------------------
-
-//---------------------------------------------------------------------------
-#include "MediaInfo/Setup.h"
-//---------------------------------------------------------------------------
-
-//---------------------------------------------------------------------------
-#if defined(MEDIAINFO_ALS_YES)
-//---------------------------------------------------------------------------
-
-//---------------------------------------------------------------------------
-#include "MediaInfo/Audio/File_Als.h"
-//---------------------------------------------------------------------------
-
-namespace MediaInfoLib
-{
-
-//***************************************************************************
-// Constructor/Destructor
-//***************************************************************************
-
-//---------------------------------------------------------------------------
-File_Als::File_Als()
-:File__Analyze(), File__Tags_Helper()
-{
- //File__Tags_Helper
- Base=this;
-}
-
-//***************************************************************************
-// Streams management
-//***************************************************************************
-
-//---------------------------------------------------------------------------
-void File_Als::Streams_Finish()
-{
- //Filling
- int64u CompressedSize=File_Size-TagsSize;
- float32 CompressionRatio=((float32)UncompressedSize)/CompressedSize;
-
- Fill(Stream_Audio, 0, Audio_StreamSize, CompressedSize);
- Fill(Stream_Audio, 0, Audio_Compression_Ratio, CompressionRatio);
-
- File__Tags_Helper::Streams_Finish();
-}
-
-//***************************************************************************
-// Buffer - File header
-//***************************************************************************
-
-//---------------------------------------------------------------------------
-bool File_Als::FileHeader_Begin()
-{
- if (!File__Tags_Helper::FileHeader_Begin())
- return false;
-
- //Synchro
- if (Buffer_Size<4)
- return false;
- if (Buffer[0]!=0x41 //"ALS\0"
- || Buffer[1]!=0x4C
- || Buffer[2]!=0x53
- || Buffer[3]!=0x00)
- {
- File__Tags_Helper::Reject("ALS");
- return false;
- }
-
- return true;
-}
-
-//---------------------------------------------------------------------------
-void File_Als::FileHeader_Parse()
-{
- //Parsing
- int32u SampleRate, Samples;
- int16u Channels;
- int8u BitsPerSample, FileType;
- Skip_C4( "signature");
- Get_B4 (SampleRate, "sample rate");
- Get_B4 (Samples, "samples");
- Get_B2 (Channels, "channels-1"); Param_Info2(Channels+1, " channel(s)");
- BS_Begin();
- Get_S1 (3, FileType, "file type"); // WAV, RIFF, AIFF
- Get_S1 (3, BitsPerSample, "bits per sample"); Param_Info2((BitsPerSample+1)*8, " bits");
- Skip_SB( "floating point");
- Skip_SB( "samples are big-endian");
- BS_End();
-
- FILLING_BEGIN();
- if (SampleRate==0)
- return;
- Duration=((int64u)Samples)*1000/SampleRate;
- if (Duration==0)
- return;
- UncompressedSize=((int64u)Samples)*Channels*(BitsPerSample+1/8);
- if (UncompressedSize==0)
- return;
-
- File__Tags_Helper::Accept("ALS");
-
- File__Tags_Helper::Stream_Prepare(Stream_Audio);
- Fill(Stream_Audio, 0, Audio_Format, "ALS");
- Fill(Stream_Audio, 0, Audio_Codec, "ALS");
- Fill(Stream_Audio, 0, Audio_BitDepth, (BitsPerSample+1)*8);
- Fill(Stream_Audio, StreamPos_Last, Audio_Channel_s_, Channels+1);
- Fill(Stream_Audio, StreamPos_Last, Audio_SamplingRate, SampleRate);
- Fill(Stream_Audio, 0, Audio_Duration, Duration);
-
- //No more need data
- File__Tags_Helper::Finish("ALS");
- FILLING_END();
-}
-
-//***************************************************************************
-// C++
-//***************************************************************************
-
-} //NameSpace
-
-#endif //MEDIAINFO_ALS_YES
-
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