mirror of https://github.com/mpv-player/mpv
added DS_AudioDec
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@190 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi_esp
parent
c51ece5e37
commit
5189452171
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/********************************************************
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DirectShow Audio decoder implementation
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Copyright 2000 Eugene Kuznetsov (divx@euro.ru)
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Converted C++ --> C :) by A'rpi/ESP-team
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*********************************************************/
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//#include <config.h>
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//#include "DS_AudioDecoder.h"
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#include <string.h>
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#include <stdlib.h>
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#include <except.h>
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#define __MODULE__ "DirectShow_AudioDecoder"
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#include <errno.h>
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#ifdef HAVE_MALLOC_H
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#include <malloc.h>
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#endif
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//#include <loader.h>
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//#include <wine/winbase.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <strstream>
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#include <dlfcn.h>
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <registry.h>
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#include <wine/winreg.h>
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#include "guids.h"
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#include "interfaces.h"
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#include "DS_Filter.h"
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#include "BitmapInfo.h"
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#include <string>
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#include <default.h>
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#include "DS_AudioDec.h"
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const GUID FORMAT_WaveFormatEx={
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0x05589f81, 0xc356, 0x11ce, 0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a};
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const GUID MEDIATYPE_Audio={
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0x73647561, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71};
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const GUID MEDIASUBTYPE_PCM={
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0x00000001, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71};
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using namespace std;
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extern "C" char* def_path;
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static DS_Filter* dsf=0;
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static AM_MEDIA_TYPE m_sOurType, m_sDestType;
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// static void* m_pCust;
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static char* m_sVhdr;
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static char* m_sVhdr2;
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static WAVEFORMATEX in_fmt;
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// int m_iState=0;
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extern "C" int DS_AudioDecoder_Open(char* dllname, GUID* guid, WAVEFORMATEX* wf)
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{
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m_sVhdr=new char[18+wf->cbSize];
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memcpy(m_sVhdr, wf, 18+wf->cbSize);
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m_sVhdr2=new char[18];
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memcpy(m_sVhdr2, m_sVhdr, 18);
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WAVEFORMATEX* pWF=(WAVEFORMATEX*)m_sVhdr2;
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pWF->wFormatTag=1;
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pWF->wBitsPerSample=16;
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pWF->nBlockAlign=2*pWF->nChannels;
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pWF->cbSize=0;
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in_fmt=*wf;
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memset(&m_sOurType, 0, sizeof m_sOurType);
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m_sOurType.majortype=MEDIATYPE_Audio;
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m_sOurType.subtype=MEDIASUBTYPE_PCM;
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m_sOurType.subtype.f1=wf->wFormatTag;
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m_sOurType.formattype=FORMAT_WaveFormatEx;
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m_sOurType.lSampleSize=wf->nBlockAlign;
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m_sOurType.bFixedSizeSamples=true;
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m_sOurType.bTemporalCompression=false;
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m_sOurType.pUnk=0;
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m_sOurType.cbFormat=18+wf->cbSize;
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m_sOurType.pbFormat=m_sVhdr;
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memset(&m_sDestType, 0, sizeof m_sDestType);
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m_sDestType.majortype=MEDIATYPE_Audio;
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m_sDestType.subtype=MEDIASUBTYPE_PCM;
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m_sDestType.formattype=FORMAT_WaveFormatEx;
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m_sDestType.bFixedSizeSamples=true;
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m_sDestType.bTemporalCompression=false;
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m_sDestType.lSampleSize=2*wf->nChannels;
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m_sDestType.pUnk=0;
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m_sDestType.cbFormat=18;
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m_sDestType.pbFormat=m_sVhdr2;
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try
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{
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dsf=new DS_Filter();
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dsf->Create(dllname, guid, &m_sOurType, &m_sDestType);
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dsf->Start();
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ALLOCATOR_PROPERTIES props, props1;
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props.cBuffers=1;
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props.cbBuffer=m_sOurType.lSampleSize;
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props.cbAlign=props.cbPrefix=0;
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dsf->m_pAll->vt->SetProperties(dsf->m_pAll, &props, &props1);
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dsf->m_pAll->vt->Commit(dsf->m_pAll);
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}
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catch(FatalError e)
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{
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e.PrintAll();
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delete[] m_sVhdr;
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delete[] m_sVhdr2;
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return 1;
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}
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return 0;
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}
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extern "C" void DS_AudioDecoder_Close(){
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delete[] m_sVhdr;
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delete[] m_sVhdr2;
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}
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extern "C" int DS_AudioDecoder_GetSrcSize(int dest_size)
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{
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double efficiency=in_fmt.nAvgBytesPerSec/double(in_fmt.nSamplesPerSec*in_fmt.nBlockAlign);
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int frames=(int)(dest_size*efficiency);
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if(frames<1)frames=1;
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return frames*in_fmt.nBlockAlign;
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}
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extern "C" int DS_AudioDecoder_Convert(unsigned char* in_data, unsigned in_size,
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unsigned char* out_data, unsigned out_size,
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unsigned* size_read, unsigned* size_written)
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{
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if(in_data==0)return -1;
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if(out_data==0)return -1;
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int written=0;
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int read=0;
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in_size-=in_size%in_fmt.nBlockAlign;
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while(in_size>0)
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{
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long frame_size=0;
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char* frame_pointer;
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// m_pOurOutput->SetFramePointer(out_data+written);
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dsf->m_pOurOutput->SetFramePointer(&frame_pointer);
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dsf->m_pOurOutput->SetFrameSizePointer(&frame_size);
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IMediaSample* sample=0;
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dsf->m_pAll->vt->GetBuffer(dsf->m_pAll, &sample, 0, 0, 0);
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if(!sample)
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{
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cerr<<"ERROR: null sample"<<endl;
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break;
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}
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char* ptr;
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sample->vt->GetPointer(sample, (BYTE **)&ptr);
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memcpy(ptr, in_data+read, in_fmt.nBlockAlign);
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sample->vt->SetActualDataLength(sample, in_fmt.nBlockAlign);
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sample->vt->SetSyncPoint(sample, true);
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sample->vt->SetPreroll(sample, 0);
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int result=dsf->m_pImp->vt->Receive(dsf->m_pImp, sample);
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if(result) printf("Error putting data into input pin %x\n", result);
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if(written+frame_size>out_size)
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{
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sample->vt->Release((IUnknown*)sample);
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break;
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}
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memcpy(out_data+written, frame_pointer, frame_size);
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sample->vt->Release((IUnknown*)sample);
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read+=in_fmt.nBlockAlign;
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written+=frame_size;
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}
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if(size_read) *size_read=read;
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if(size_written) *size_written=written;
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return 0;
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}
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@ -0,0 +1,25 @@
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/********************************************************
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DirectShow Audio decoder implementation
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Copyright 2000 Eugene Kuznetsov (divx@euro.ru)
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Converted C++ --> C :) by A'rpi/ESP-team
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*********************************************************/
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#ifdef __cplusplus
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extern "C" {
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#endif /* defined(__cplusplus) */
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int DS_AudioDecoder_Open(char* dllname, GUID* guid, WAVEFORMATEX* wf);
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void DS_AudioDecoder_Close();
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int DS_AudioDecoder_GetSrcSize(int dest_size);
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int DS_AudioDecoder_Convert(unsigned char* in_data, unsigned in_size,
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unsigned char* out_data, unsigned out_size,
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unsigned* size_read, unsigned* size_written);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif /* defined(__cplusplus) */
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@ -3,8 +3,8 @@ LIBNAME = libDS_Filter.a
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include ../../config.mak
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SRCS = DS_VideoDec.cpp DS_Filter.cpp allocator.cpp cmediasample.cpp guids.cpp inputpin.cpp outputpin.cpp
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OBJS = DS_VideoDec.o DS_Filter.o allocator.o cmediasample.o guids.o inputpin.o outputpin.o
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SRCS = DS_AudioDec.cpp DS_VideoDec.cpp DS_Filter.cpp allocator.cpp cmediasample.cpp guids.cpp inputpin.cpp outputpin.cpp
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OBJS = DS_AudioDec.o DS_VideoDec.o DS_Filter.o allocator.o cmediasample.o guids.o inputpin.o outputpin.o
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INCLUDE = -I. -I.. -I../wine
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CFLAGS = $(OPTFLAGS) $(INCLUDE)
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