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-rw-r--r--loader/dshow/mediatype.c167
1 files changed, 167 insertions, 0 deletions
diff --git a/loader/dshow/mediatype.c b/loader/dshow/mediatype.c
new file mode 100644
index 0000000000..9288f3808f
--- /dev/null
+++ b/loader/dshow/mediatype.c
@@ -0,0 +1,167 @@
+/*
+ * AM_MEDIA_TYPE service functions implementations
+ * Code is based on quartz/enummedia.c file from wine project.
+ * Modified by Vladimir Voroshilov
+ *
+ * Original code: Copyright 2003 Robert Shearman
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+#include "mediatype.h"
+#include "mp_msg.h"
+#include "wine/winerror.h"
+#include "com.h"
+
+
+#ifndef NOAVIFILE_HEADERS
+#include "audiodecoder.h"
+#include "except.h"
+#else
+#include "libwin32.h"
+#endif
+
+void DisplayMediaType(const char * label,const AM_MEDIA_TYPE* pmt){
+ WAVEFORMATEX* pWF;
+ VIDEOINFOHEADER* Vhdr;
+ int i;
+ GUID* iid;
+
+
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"=======================\n");
+ if(label)
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"AM_MEDIA_TYPE: %s\n",label);
+ else
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"AM_MEDIA_TYPE:\n");
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"-(Ptr:%p)--------\n",pmt);
+ for(i=0;i<sizeof(AM_MEDIA_TYPE);i++){
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"%02x ",(BYTE)((BYTE*)pmt)[i]);
+ if((i+1)%8==0) Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"\n");
+ }
+ if((i)%8!=0) printf("\n");
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"-(Ptr:%p)--(%02d)--\n",pmt->pbFormat,pmt->cbFormat);
+ for(i=0;i<pmt->cbFormat;i++){
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"%02x ",(BYTE)pmt->pbFormat[i]);
+ if((i+1)%8==0) Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"\n");
+ }
+ if((i)%8!=0) Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"\n");
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"-----------------------\n");
+ iid=(GUID*)&(pmt->subtype);
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"Subtype: %08x-%04x-%04x-%02x%02x-"
+ "%02x%02x%02x%02x%02x%02x\n",
+ iid->f1, iid->f2, iid->f3,
+ (unsigned char)iid->f4[1], (unsigned char)iid->f4[0],
+ (unsigned char)iid->f4[2], (unsigned char)iid->f4[3],
+ (unsigned char)iid->f4[4], (unsigned char)iid->f4[5],
+ (unsigned char)iid->f4[6], (unsigned char)iid->f4[7]);
+
+ iid=(GUID*)&(pmt->formattype);
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"Format type: %08x-%04x-%04x-%02x%02x-"
+ "%02x%02x%02x%02x%02x%02x\n",
+ iid->f1, iid->f2, iid->f3,
+ (unsigned char)iid->f4[1], (unsigned char)iid->f4[0],
+ (unsigned char)iid->f4[2], (unsigned char)iid->f4[3],
+ (unsigned char)iid->f4[4], (unsigned char)iid->f4[5],
+ (unsigned char)iid->f4[6], (unsigned char)iid->f4[7]);
+ if(pmt && memcmp(&pmt->formattype,&FORMAT_WaveFormatEx,16)==0 && pmt->pbFormat){
+ pWF=(WAVEFORMATEX*)pmt->pbFormat;
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"PMT: nChannels %d\n",pWF->nChannels);
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"PMT: nSamplesPerSec %d\n",pWF->nSamplesPerSec);
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"PMT: wBitsPerSample %d\n",pWF->wBitsPerSample);
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"PMT: nBlockAlign %d\n",pWF->nBlockAlign);
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"PMT: nAvgBytesPerSec %d\n",pWF->nAvgBytesPerSec);
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"PMT: SampleSize %ld\n",pmt->lSampleSize);
+ }
+ if(pmt && memcmp(&pmt->formattype,&FORMAT_VideoInfo,16)==0 && pmt->pbFormat){
+ Vhdr=(VIDEOINFOHEADER*)pmt->pbFormat;
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"Vhdr: dwBitRate %ld\n",Vhdr->dwBitRate);
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"Vhdr: biWidth %ld\n",Vhdr->bmiHeader.biWidth);
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"Vhdr: biHeight %d\n",Vhdr->bmiHeader.biHeight);
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"Vhdr: biSizeImage %d\n",Vhdr->bmiHeader.biSizeImage);
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"Vhdr: biBitCount %d\n",Vhdr->bmiHeader.biBitCount);
+ if(Vhdr->bmiHeader.biCompression){
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"Vhdr: biComression 0x%08x (%s)\n",Vhdr->bmiHeader.biCompression,vo_format_name(Vhdr->bmiHeader.biCompression));
+ }else
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"Vhdr: biComression 0x00000000\n");
+
+ }
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"=======================\n");
+}
+
+HRESULT CopyMediaType(AM_MEDIA_TYPE * pDest, const AM_MEDIA_TYPE *pSrc)
+{
+ Debug mp_msg(MSGT_LOADER,MSGL_DBG4,"%s(%p) called\n", "CopyMediaType",pSrc);
+
+ if(!pSrc || !pDest) return E_POINTER;
+
+ if(pSrc == pDest) return E_INVALIDARG;
+
+ if(!pSrc->pbFormat && pSrc->cbFormat) return E_POINTER;
+
+ memcpy(pDest, pSrc, sizeof(AM_MEDIA_TYPE));
+ if (!pSrc->pbFormat) return S_OK;
+ if (!(pDest->pbFormat = CoTaskMemAlloc(pSrc->cbFormat)))
+ return E_OUTOFMEMORY;
+ memcpy(pDest->pbFormat, pSrc->pbFormat, pSrc->cbFormat);
+ if (pDest->pUnk)
+ pDest->pUnk->vt->AddRef(pDest->pUnk);
+ return S_OK;
+}
+
+void FreeMediaType(AM_MEDIA_TYPE * pMediaType)
+{
+ if (!pMediaType) return;
+ if (pMediaType->pbFormat)
+ {
+ CoTaskMemFree(pMediaType->pbFormat);
+ pMediaType->pbFormat = NULL;
+ }
+ if (pMediaType->pUnk)
+ {
+ pMediaType->pUnk->vt->Release(pMediaType->pUnk);
+ pMediaType->pUnk = NULL;
+ }
+}
+
+AM_MEDIA_TYPE * CreateMediaType(AM_MEDIA_TYPE const * pSrc)
+{
+ AM_MEDIA_TYPE * pDest;
+ if (!pSrc) return NULL;
+ pDest = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
+ if (!pDest)
+ return NULL;
+
+ if (FAILED(CopyMediaType(pDest, pSrc)))
+ {
+ CoTaskMemFree(pDest);
+ return NULL;
+ }
+
+ return pDest;
+}
+
+void DeleteMediaType(AM_MEDIA_TYPE * pMediaType)
+{
+ if (!pMediaType) return;
+ FreeMediaType(pMediaType);
+ CoTaskMemFree(pMediaType);
+}
+
+#define IsEqualGUID(a,b) (memcmp(a,b,16)==0)
+int CompareMediaTypes(const AM_MEDIA_TYPE * pmt1, const AM_MEDIA_TYPE * pmt2, int bWildcards)
+{
+ return (((bWildcards && (IsEqualGUID(&pmt1->majortype, &GUID_NULL) || IsEqualGUID(&pmt2->majortype, &GUID_NULL))) || IsEqualGUID(&pmt1->majortype, &pmt2->majortype)) &&
+ ((bWildcards && (IsEqualGUID(&pmt1->subtype, &GUID_NULL) || IsEqualGUID(&pmt2->subtype, &GUID_NULL))) || IsEqualGUID(&pmt1->subtype, &pmt2->subtype)));
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-05 01:41:53 +0000