diff options
Diffstat (limited to 'loader/dshow/DS_AudioDecoder.c')
| -rw-r--r-- | loader/dshow/DS_AudioDecoder.c | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/loader/dshow/DS_AudioDecoder.c b/loader/dshow/DS_AudioDecoder.c deleted file mode 100644 index cfa2fcb5a2..0000000000 --- a/loader/dshow/DS_AudioDecoder.c +++ /dev/null @@ -1,192 +0,0 @@ -/******************************************************** - - DirectShow audio decoder - Copyright 2001 Eugene Kuznetsov (divx@euro.ru) - -*********************************************************/ -#include "config.h" - -#include "libwin32.h" - -#include "DS_Filter.h" - -struct DS_AudioDecoder -{ - WAVEFORMATEX in_fmt; - AM_MEDIA_TYPE m_sOurType, m_sDestType; - DS_Filter* m_pDS_Filter; - char* m_sVhdr; - char* m_sVhdr2; -}; - -#include "DS_AudioDecoder.h" -#ifdef WIN32_LOADER -#include "loader/ldt_keeper.h" -#endif - -#include <string.h> -#include <stdio.h> -#include <stdlib.h> - -typedef long STDCALL (*GETCLASS) (GUID*, GUID*, void**); - -static SampleProcUserData sampleProcData; - - -DS_AudioDecoder * DS_AudioDecoder_Open(char* dllname, GUID* guid, WAVEFORMATEX* wf) -//DS_AudioDecoder * DS_AudioDecoder_Create(const CodecInfo * info, const WAVEFORMATEX* wf) -{ - DS_AudioDecoder *this; - int sz; - WAVEFORMATEX* pWF; - -#ifdef WIN32_LOADER - Setup_LDT_Keeper(); - Setup_FS_Segment(); -#endif - - this = malloc(sizeof(DS_AudioDecoder)); - - sz = 18 + wf->cbSize; - this->m_sVhdr = malloc(sz); - memcpy(this->m_sVhdr, wf, sz); - this->m_sVhdr2 = malloc(18); - memcpy(this->m_sVhdr2, this->m_sVhdr, 18); - - pWF = (WAVEFORMATEX*)this->m_sVhdr2; - pWF->wFormatTag = 1; - pWF->wBitsPerSample = 16; - pWF->nBlockAlign = pWF->nChannels * (pWF->wBitsPerSample + 7) / 8; - pWF->cbSize = 0; - pWF->nAvgBytesPerSec = pWF->nBlockAlign * pWF->nSamplesPerSec; - - memcpy(&this->in_fmt,wf,sizeof(WAVEFORMATEX)); - - memset(&this->m_sOurType, 0, sizeof(this->m_sOurType)); - this->m_sOurType.majortype=MEDIATYPE_Audio; - this->m_sOurType.subtype=MEDIASUBTYPE_PCM; - this->m_sOurType.subtype.f1=wf->wFormatTag; - this->m_sOurType.formattype=FORMAT_WaveFormatEx; - this->m_sOurType.lSampleSize=wf->nBlockAlign; - this->m_sOurType.bFixedSizeSamples=1; - this->m_sOurType.bTemporalCompression=0; - this->m_sOurType.pUnk=0; - this->m_sOurType.cbFormat=sz; - this->m_sOurType.pbFormat=this->m_sVhdr; - - memset(&this->m_sDestType, 0, sizeof(this->m_sDestType)); - this->m_sDestType.majortype=MEDIATYPE_Audio; - this->m_sDestType.subtype=MEDIASUBTYPE_PCM; -// this->m_sDestType.subtype.f1=pWF->wFormatTag; - this->m_sDestType.formattype=FORMAT_WaveFormatEx; - this->m_sDestType.bFixedSizeSamples=1; - this->m_sDestType.bTemporalCompression=0; - this->m_sDestType.lSampleSize=pWF->nBlockAlign; - if (wf->wFormatTag == 0x130) - // ACEL hack to prevent memory corruption - // obviosly we are missing something here - this->m_sDestType.lSampleSize *= 288; - this->m_sDestType.pUnk=0; - this->m_sDestType.cbFormat=18; //pWF->cbSize; - this->m_sDestType.pbFormat=this->m_sVhdr2; - -//print_wave_header(this->m_sVhdr, MSGL_V); -//print_wave_header(this->m_sVhdr2, MSGL_V); - - /*try*/ - { - this->m_pDS_Filter = DS_FilterCreate(dllname, guid, &this->m_sOurType, &this->m_sDestType,&sampleProcData); - if( !this->m_pDS_Filter ) { - free(this); - return NULL; - } - - //Commit should be done before binary codec start - this->m_pDS_Filter->m_pAll->vt->Commit(this->m_pDS_Filter->m_pAll); - - this->m_pDS_Filter->Start(this->m_pDS_Filter); - - } - /* - catch (FatalError& e) - { - e.PrintAll(); - delete[] m_sVhdr; - delete[] m_sVhdr2; - delete m_pDS_Filter; - throw; - } - */ - return this; -} - -void DS_AudioDecoder_Destroy(DS_AudioDecoder *this) -{ - free(this->m_sVhdr); - free(this->m_sVhdr2); - DS_Filter_Destroy(this->m_pDS_Filter); - free(this); -} - -int DS_AudioDecoder_Convert(DS_AudioDecoder *this, const void* in_data, unsigned int in_size, - void* out_data, unsigned int out_size, - unsigned int* size_read, unsigned int* size_written) -{ - unsigned int written = 0; - unsigned int read = 0; - - if (!in_data || !out_data) - return -1; - -#ifdef WIN32_LOADER - Setup_FS_Segment(); -#endif - - in_size -= in_size%this->in_fmt.nBlockAlign; - while (in_size>0) - { - IMediaSample* sample=0; - char* ptr; - int result; - this->m_pDS_Filter->m_pAll->vt->GetBuffer(this->m_pDS_Filter->m_pAll, &sample, 0, 0, 0); - if (!sample) - { - Debug printf("DS_AudioDecoder::Convert() Error: null sample\n"); - break; - } - sample->vt->SetActualDataLength(sample, this->in_fmt.nBlockAlign); - sample->vt->GetPointer(sample, (BYTE **)&ptr); - memcpy(ptr, (const uint8_t*)in_data + read, this->in_fmt.nBlockAlign); - sample->vt->SetSyncPoint(sample, 1); - sample->vt->SetPreroll(sample, 0); - result = this->m_pDS_Filter->m_pImp->vt->Receive(this->m_pDS_Filter->m_pImp, sample); - if (result) - Debug printf("DS_AudioDecoder::Convert() Error: putting data into input pin %x\n", result); - if ((written + sampleProcData.frame_size) > out_size) - { - sample->vt->Release((IUnknown*)sample); - break; - } - memcpy((uint8_t*)out_data + written, sampleProcData.frame_pointer, sampleProcData.frame_size); - sample->vt->Release((IUnknown*)sample); - read+=this->in_fmt.nBlockAlign; - written+=sampleProcData.frame_size; - break; - } - if (size_read) - *size_read = read; - if (size_written) - *size_written = written; - return 0; -} - -int DS_AudioDecoder_GetSrcSize(DS_AudioDecoder *this, int dest_size) -{ - double efficiency =(double) this->in_fmt.nAvgBytesPerSec - / (this->in_fmt.nSamplesPerSec*this->in_fmt.nBlockAlign); - int frames = (int)(dest_size*efficiency); - - if (frames < 1) - frames = 1; - return frames * this->in_fmt.nBlockAlign; -} |