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-rwxr-xr-xasdcplib/src/PCMParserList.cpp285
1 files changed, 0 insertions, 285 deletions
diff --git a/asdcplib/src/PCMParserList.cpp b/asdcplib/src/PCMParserList.cpp
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--- a/asdcplib/src/PCMParserList.cpp
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-/*
-Copyright (c) 2004-2012, John Hurst
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions
-are met:
-1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-2. Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-3. The name of the author may not be used to endorse or promote products
- derived from this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
-IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
-OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
-INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-/*! \file PCMParserList.cpp
- \version $Id: PCMParserList.cpp,v 1.9 2012/02/21 02:09:31 jhurst Exp $
- \brief Read WAV file(s), multiplex multiple PCM frame buffers into one
-*/
-
-#include <PCMParserList.h>
-#include <KM_fileio.h>
-#include <KM_log.h>
-#include <assert.h>
-
-using namespace ASDCP;
-using namespace Kumu;
-
-
-ASDCP::ParserInstance::ParserInstance() : m_p(0), m_SampleSize(0)
-{
-}
-
-ASDCP::ParserInstance::~ParserInstance()
-{
-}
-
-// PCM::CalcSampleSize(ADesc);
-Result_t
-ASDCP::ParserInstance::OpenRead(const char* filename, const Rational& PictureRate)
-{
- ASDCP_TEST_NULL_STR(filename);
-
- Result_t result = Parser.OpenRead(filename, PictureRate);
-
- if ( ASDCP_SUCCESS(result) )
- result = Parser.FillAudioDescriptor(ADesc);
-
- if ( ASDCP_SUCCESS(result) )
- {
- ADesc.EditRate = PictureRate;
- m_SampleSize = PCM::CalcSampleSize(ADesc);
- result = FB.Capacity(PCM::CalcFrameBufferSize(ADesc));
- }
-
- return result;
-}
-
-
-// deposit the next available sample into the given framebuffer
-Result_t
-ASDCP::ParserInstance::PutSample(byte_t* p)
-{
- ASDCP_TEST_NULL(p);
-
- memcpy(p, m_p, m_SampleSize);
- m_p += m_SampleSize;
- return RESULT_OK;
-}
-
-
-//
-Result_t
-ASDCP::ParserInstance::ReadFrame()
-{
- Result_t result = Parser.ReadFrame(FB);
- m_p = ASDCP_SUCCESS(result) ? FB.RoData() : 0;
- return result;
-}
-
-
-//------------------------------------------------------------------------------------------
-//
-
-
-//
-ASDCP::PCMParserList::PCMParserList() : m_ChannelCount(0)
-{
-}
-
-ASDCP::PCMParserList::~PCMParserList()
-{
- while ( ! empty() )
- {
- delete back();
- pop_back();
- }
-}
-
-//
-Result_t
-ASDCP::PCMParserList::OpenRead(ui32_t argc, const char** argv, const Rational& PictureRate)
-{
- ASDCP_TEST_NULL_STR(argv);
- PathList_t TmpFileList;
-
- for ( ui32_t i = 0; i < argc; ++i )
- TmpFileList.push_back(argv[i]);
-
- return OpenRead(TmpFileList, PictureRate);
-}
-
-//
-Result_t
-ASDCP::PCMParserList::OpenRead(const Kumu::PathList_t& argv, const Rational& PictureRate)
-{
- Result_t result = RESULT_OK;
- PathList_t::iterator fi;
- Kumu::PathList_t file_list;
-
- if ( argv.size() == 1 && PathIsDirectory(argv.front()) )
- {
- DirScanner Dir;
- char name_buf[MaxFilePath];
- result = Dir.Open(argv.front().c_str());
-
- if ( KM_SUCCESS(result) )
- result = Dir.GetNext(name_buf);
-
- while ( KM_SUCCESS(result) )
- {
- if ( name_buf[0] != '.' ) // no hidden files
- {
- std::string tmp_path = argv.front() + "/" + name_buf;
- file_list.push_back(tmp_path);
- }
-
- result = Dir.GetNext(name_buf);
- }
-
- if ( result == RESULT_ENDOFFILE )
- {
- result = RESULT_OK;
- file_list.sort();
- }
- }
- else
- {
- file_list = argv;
- }
-
- for ( fi = file_list.begin(); KM_SUCCESS(result) && fi != file_list.end(); ++fi )
- {
- mem_ptr<ParserInstance> I = new ParserInstance;
- result = I->OpenRead(fi->c_str(), PictureRate);
-
- if ( ASDCP_SUCCESS(result) )
- {
- if ( fi == file_list.begin() )
- {
- m_ADesc = I->ADesc;
- }
- else
- {
- if ( I->ADesc.AudioSamplingRate != m_ADesc.AudioSamplingRate )
- {
- DefaultLogSink().Error("AudioSamplingRate mismatch in PCM parser list.");
- return RESULT_FORMAT;
- }
-
- if ( I->ADesc.QuantizationBits != m_ADesc.QuantizationBits )
- {
- DefaultLogSink().Error("QuantizationBits mismatch in PCM parser list.");
- return RESULT_FORMAT;
- }
-
- if ( I->ADesc.ContainerDuration < m_ADesc.ContainerDuration )
- m_ADesc.ContainerDuration = I->ADesc.ContainerDuration;
-
- m_ADesc.BlockAlign += I->ADesc.BlockAlign;
- }
-
- m_ChannelCount += I->ADesc.ChannelCount;
- }
-
- if ( ASDCP_SUCCESS(result) )
- result = I->FB.Capacity(PCM::CalcFrameBufferSize(m_ADesc));
-
- if ( ASDCP_SUCCESS(result) )
- {
- push_back(I);
- I.release();
- }
- }
-
- if ( ASDCP_SUCCESS(result) )
- {
- m_ADesc.ChannelCount = m_ChannelCount;
- m_ADesc.AvgBps = (ui32_t)(ceil(m_ADesc.AudioSamplingRate.Quotient()) * m_ADesc.BlockAlign);
- }
- else
- {
- clear();
- }
-
- return result;
-}
-
-//
-Result_t
-ASDCP::PCMParserList::FillAudioDescriptor(PCM::AudioDescriptor& ADesc) const
-{
- ADesc = m_ADesc;
- return RESULT_OK;
-}
-
-//
-Result_t
-ASDCP::PCMParserList::Reset()
-{
- Result_t result = RESULT_OK;
- PCMParserList::iterator self_i;
-
- for ( self_i = begin(); self_i != end() && ASDCP_SUCCESS(result) ; self_i++ )
- result = (*self_i)->Parser.Reset();
-
- return result;
-}
-
-
-//
-Result_t
-ASDCP::PCMParserList::ReadFrame(PCM::FrameBuffer& OutFB)
-{
- Result_t result = RESULT_OK;
-
- if ( size() == 1 )
- return front()->Parser.ReadFrame(OutFB);
-
- PCMParserList::iterator self_i;
- assert(PCM::CalcFrameBufferSize(m_ADesc) <= OutFB.Capacity());
-
- for ( self_i = begin(); self_i != end() && ASDCP_SUCCESS(result) ; self_i++ )
- result = (*self_i)->ReadFrame();
-
- if ( ASDCP_SUCCESS(result) )
- {
- OutFB.Size(PCM::CalcFrameBufferSize(m_ADesc));
-
- // ui32_t sample_size = (PCM::CalcSampleSize(m_ADesc));
- byte_t* Out_p = OutFB.Data();
- byte_t* End_p = Out_p + OutFB.Size();
-
- while ( Out_p < End_p && ASDCP_SUCCESS(result) )
- {
- self_i = begin();
-
- while ( self_i != end() && ASDCP_SUCCESS(result) )
- {
- result = (*self_i)->PutSample(Out_p);
- Out_p += (*self_i)->SampleSize();
- self_i++;
- }
- }
-
- assert(Out_p == End_p);
- }
-
- return result;
-}
-
-//
-// end PCMParserList.cpp
-//
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