dlls/strmbase/mediatype.c

   1 /*
   2  * Implementation of MedaType utility functions
   3  *
   4  * Copyright 2003 Robert Shearman
   5  * Copyright 2010 Aric Stewart, CodeWeavers
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "strmbase_private.h"
  23 #include "dvdmedia.h"
  24
  25 WINE_DEFAULT_DEBUG_CHANNEL(strmbase);
  26
  27 static const struct
  28 {
  29     const GUID *guid;
  30     const char *name;
  31 }
  32 strmbase_guids[] =
  33 {
  34 #define X(g) {&(g), #g}
  35     X(GUID_NULL),
  36
  37 #undef OUR_GUID_ENTRY
  38 #define OUR_GUID_ENTRY(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) X(name),
  39 #include "uuids.h"
  40
  41 #undef X
  42 };
  43
  44 static const char *strmbase_debugstr_guid(const GUID *guid)
  45 {
  46     unsigned int i;
  47
  48     for (i = 0; i < ARRAY_SIZE(strmbase_guids); ++i)
  49     {
  50         if (IsEqualGUID(strmbase_guids[i].guid, guid))
  51             return wine_dbg_sprintf("%s", strmbase_guids[i].name);
  52     }
  53
  54     return debugstr_guid(guid);
  55 }
  56
  57 static const char *debugstr_fourcc(DWORD fourcc)
  58 {
  59     char str[4] = {fourcc, fourcc >> 8, fourcc >> 16, fourcc >> 24};
  60     if (isprint(str[0]) && isprint(str[1]) && isprint(str[2]) && isprint(str[3]))
  61         return wine_dbgstr_an(str, 4);
  62     return wine_dbg_sprintf("%#x", fourcc);
  63 }
  64
  65 void strmbase_dump_media_type(const AM_MEDIA_TYPE *mt)
  66 {
  67     if (!TRACE_ON(strmbase) || !mt) return;
  68
  69     TRACE("Dumping media type %p: major type %s, subtype %s",
  70             mt, strmbase_debugstr_guid(&mt->majortype), strmbase_debugstr_guid(&mt->subtype));
  71     if (mt->bFixedSizeSamples) TRACE(", fixed size samples");
  72     if (mt->bTemporalCompression) TRACE(", temporal compression");
  73     if (mt->lSampleSize) TRACE(", sample size %d", mt->lSampleSize);
  74     if (mt->pUnk) TRACE(", pUnk %p", mt->pUnk);
  75     TRACE(", format type %s.\n", strmbase_debugstr_guid(&mt->formattype));
  76
  77     if (!mt->pbFormat) return;
  78
  79     TRACE("Dumping format %p: ", mt->pbFormat);
  80
  81     if (IsEqualGUID(&mt->formattype, &FORMAT_WaveFormatEx) && mt->cbFormat >= sizeof(WAVEFORMATEX))
  82     {
  83         WAVEFORMATEX *wfx = (WAVEFORMATEX *)mt->pbFormat;
  84
  85         TRACE("tag %#x, %u channels, sample rate %u, %u bytes/sec, alignment %u, %u bits/sample.\n",
  86                 wfx->wFormatTag, wfx->nChannels, wfx->nSamplesPerSec,
  87                 wfx->nAvgBytesPerSec, wfx->nBlockAlign, wfx->wBitsPerSample);
  88
  89         if (wfx->cbSize)
  90         {
  91             const unsigned char *extra = (const unsigned char *)(wfx + 1);
  92             unsigned int i;
  93
  94             TRACE("  Extra bytes:");
  95             for (i = 0; i < wfx->cbSize; ++i)
  96             {
  97                 if (!(i % 16)) TRACE("\n     ");
  98                 TRACE(" %02x", extra[i]);
  99             }
 100             TRACE("\n");
 101         }
 102     }
 103     else if (IsEqualGUID(&mt->formattype, &FORMAT_VideoInfo) && mt->cbFormat >= sizeof(VIDEOINFOHEADER))
 104     {
 105         VIDEOINFOHEADER *vih = (VIDEOINFOHEADER *)mt->pbFormat;
 106
 107         if (!IsRectEmpty(&vih->rcSource)) TRACE("source %s, ", wine_dbgstr_rect(&vih->rcSource));
 108         if (!IsRectEmpty(&vih->rcTarget)) TRACE("target %s, ", wine_dbgstr_rect(&vih->rcTarget));
 109         if (vih->dwBitRate) TRACE("bitrate %u, ", vih->dwBitRate);
 110         if (vih->dwBitErrorRate) TRACE("error rate %u, ", vih->dwBitErrorRate);
 111         TRACE("%s sec/frame, ", debugstr_time(vih->AvgTimePerFrame));
 112         TRACE("size %dx%d, %u planes, %u bpp, compression %s, image size %u",
 113                 vih->bmiHeader.biWidth, vih->bmiHeader.biHeight, vih->bmiHeader.biPlanes,
 114                 vih->bmiHeader.biBitCount, debugstr_fourcc(vih->bmiHeader.biCompression),
 115                 vih->bmiHeader.biSizeImage);
 116         if (vih->bmiHeader.biXPelsPerMeter || vih->bmiHeader.biYPelsPerMeter)
 117             TRACE(", resolution %dx%d", vih->bmiHeader.biXPelsPerMeter, vih->bmiHeader.biYPelsPerMeter);
 118         if (vih->bmiHeader.biClrUsed) TRACE(", %d colours", vih->bmiHeader.biClrUsed);
 119         if (vih->bmiHeader.biClrImportant) TRACE(", %d important colours", vih->bmiHeader.biClrImportant);
 120         TRACE(".\n");
 121     }
 122     else if (IsEqualGUID(&mt->formattype, &FORMAT_VideoInfo2) && mt->cbFormat >= sizeof(VIDEOINFOHEADER2))
 123     {
 124         VIDEOINFOHEADER2 *vih = (VIDEOINFOHEADER2 *)mt->pbFormat;
 125
 126         if (!IsRectEmpty(&vih->rcSource)) TRACE("source %s, ", wine_dbgstr_rect(&vih->rcSource));
 127         if (!IsRectEmpty(&vih->rcTarget)) TRACE("target %s, ", wine_dbgstr_rect(&vih->rcTarget));
 128         if (vih->dwBitRate) TRACE("bitrate %u, ", vih->dwBitRate);
 129         if (vih->dwBitErrorRate) TRACE("error rate %u, ", vih->dwBitErrorRate);
 130         TRACE("%s sec/frame, ", debugstr_time(vih->AvgTimePerFrame));
 131         if (vih->dwInterlaceFlags) TRACE("interlace flags %#x, ", vih->dwInterlaceFlags);
 132         if (vih->dwCopyProtectFlags) TRACE("copy-protection flags %#x, ", vih->dwCopyProtectFlags);
 133         TRACE("aspect ratio %u/%u, ", vih->dwPictAspectRatioX, vih->dwPictAspectRatioY);
 134         if (vih->u.dwControlFlags) TRACE("control flags %#x, ", vih->u.dwControlFlags);
 135         TRACE("size %dx%d, %u planes, %u bpp, compression %s, image size %u",
 136                 vih->bmiHeader.biWidth, vih->bmiHeader.biHeight, vih->bmiHeader.biPlanes,
 137                 vih->bmiHeader.biBitCount, debugstr_fourcc(vih->bmiHeader.biCompression),
 138                 vih->bmiHeader.biSizeImage);
 139         if (vih->bmiHeader.biXPelsPerMeter || vih->bmiHeader.biYPelsPerMeter)
 140             TRACE(", resolution %dx%d", vih->bmiHeader.biXPelsPerMeter, vih->bmiHeader.biYPelsPerMeter);
 141         if (vih->bmiHeader.biClrUsed) TRACE(", %d colours", vih->bmiHeader.biClrUsed);
 142         if (vih->bmiHeader.biClrImportant) TRACE(", %d important colours", vih->bmiHeader.biClrImportant);
 143         TRACE(".\n");
 144     }
 145     else
 146         TRACE("not implemented for this format type.\n");
 147 }
 148
 149 HRESULT WINAPI CopyMediaType(AM_MEDIA_TYPE *dest, const AM_MEDIA_TYPE *src)
 150 {
 151     *dest = *src;
 152     if (src->pbFormat)
 153     {
 154         dest->pbFormat = CoTaskMemAlloc(src->cbFormat);
 155         if (!dest->pbFormat)
 156             return E_OUTOFMEMORY;
 157         memcpy(dest->pbFormat, src->pbFormat, src->cbFormat);
 158     }
 159     if (dest->pUnk)
 160         IUnknown_AddRef(dest->pUnk);
 161     return S_OK;
 162 }
 163
 164 void WINAPI FreeMediaType(AM_MEDIA_TYPE * pMediaType)
 165 {
 166     CoTaskMemFree(pMediaType->pbFormat);
 167     pMediaType->pbFormat = NULL;
 168     if (pMediaType->pUnk)
 169     {
 170         IUnknown_Release(pMediaType->pUnk);
 171         pMediaType->pUnk = NULL;
 172     }
 173 }
 174
 175 AM_MEDIA_TYPE * WINAPI CreateMediaType(AM_MEDIA_TYPE const * pSrc)
 176 {
 177     AM_MEDIA_TYPE * pDest;
 178
 179     pDest = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
 180     if (!pDest)
 181         return NULL;
 182
 183     if (FAILED(CopyMediaType(pDest, pSrc)))
 184     {
 185         CoTaskMemFree(pDest);
 186         return NULL;
 187     }
 188
 189     return pDest;
 190 }
 191
 192 void WINAPI DeleteMediaType(AM_MEDIA_TYPE * pMediaType)
 193 {
 194     FreeMediaType(pMediaType);
 195     CoTaskMemFree(pMediaType);
 196 }