git.sesse.net Git - ffmpeg/blob - libavdevice/dshow_common.c

   1 /*
   2  * Directshow capture interface
   3  * Copyright (c) 2010 Ramiro Polla
   4  *
   5  * This file is part of FFmpeg.
   6  *
   7  * FFmpeg 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  * FFmpeg 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 FFmpeg; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #include "dshow_capture.h"
  23
  24 long ff_copy_dshow_media_type(AM_MEDIA_TYPE *dst, const AM_MEDIA_TYPE *src)
  25 {
  26     uint8_t *pbFormat = NULL;
  27
  28     if (src->cbFormat) {
  29         pbFormat = CoTaskMemAlloc(src->cbFormat);
  30         if (!pbFormat)
  31             return E_OUTOFMEMORY;
  32         memcpy(pbFormat, src->pbFormat, src->cbFormat);
  33     }
  34
  35     *dst = *src;
  36     dst->pUnk = NULL;
  37     dst->pbFormat = pbFormat;
  38
  39     return S_OK;
  40 }
  41
  42 void ff_printGUID(const GUID *g)
  43 {
  44 #if DSHOWDEBUG
  45     const uint32_t *d = (const uint32_t *) &g->Data1;
  46     const uint16_t *w = (const uint16_t *) &g->Data2;
  47     const uint8_t  *c = (const uint8_t  *) &g->Data4;
  48
  49     dshowdebug("0x%08x 0x%04x 0x%04x %02x%02x%02x%02x%02x%02x%02x%02x",
  50                d[0], w[0], w[1],
  51                c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7]);
  52 #endif
  53 }
  54
  55 static const char *dshow_context_to_name(void *ptr)
  56 {
  57     return "dshow";
  58 }
  59 static const AVClass ff_dshow_context_class = { "DirectShow", dshow_context_to_name };
  60 const AVClass *ff_dshow_context_class_ptr = &ff_dshow_context_class;
  61
  62 #define dstruct(pctx, sname, var, type) \
  63     dshowdebug("      "#var":\t%"type"\n", sname->var)
  64
  65 #if DSHOWDEBUG
  66 static void dump_bih(void *s, BITMAPINFOHEADER *bih)
  67 {
  68     dshowdebug("      BITMAPINFOHEADER\n");
  69     dstruct(s, bih, biSize, "lu");
  70     dstruct(s, bih, biWidth, "ld");
  71     dstruct(s, bih, biHeight, "ld");
  72     dstruct(s, bih, biPlanes, "d");
  73     dstruct(s, bih, biBitCount, "d");
  74     dstruct(s, bih, biCompression, "lu");
  75     dshowdebug("      biCompression:\t\"%.4s\"\n",
  76                    (char*) &bih->biCompression);
  77     dstruct(s, bih, biSizeImage, "lu");
  78     dstruct(s, bih, biXPelsPerMeter, "lu");
  79     dstruct(s, bih, biYPelsPerMeter, "lu");
  80     dstruct(s, bih, biClrUsed, "lu");
  81     dstruct(s, bih, biClrImportant, "lu");
  82 }
  83 #endif
  84
  85 void ff_print_VIDEO_STREAM_CONFIG_CAPS(const VIDEO_STREAM_CONFIG_CAPS *caps)
  86 {
  87 #if DSHOWDEBUG
  88     dshowdebug(" VIDEO_STREAM_CONFIG_CAPS\n");
  89     dshowdebug("  guid\t");
  90     ff_printGUID(&caps->guid);
  91     dshowdebug("\n");
  92     dshowdebug("  VideoStandard\t%lu\n", caps->VideoStandard);
  93     dshowdebug("  InputSize %ld\t%ld\n", caps->InputSize.cx, caps->InputSize.cy);
  94     dshowdebug("  MinCroppingSize %ld\t%ld\n", caps->MinCroppingSize.cx, caps->MinCroppingSize.cy);
  95     dshowdebug("  MaxCroppingSize %ld\t%ld\n", caps->MaxCroppingSize.cx, caps->MaxCroppingSize.cy);
  96     dshowdebug("  CropGranularityX\t%d\n", caps->CropGranularityX);
  97     dshowdebug("  CropGranularityY\t%d\n", caps->CropGranularityY);
  98     dshowdebug("  CropAlignX\t%d\n", caps->CropAlignX);
  99     dshowdebug("  CropAlignY\t%d\n", caps->CropAlignY);
 100     dshowdebug("  MinOutputSize %ld\t%ld\n", caps->MinOutputSize.cx, caps->MinOutputSize.cy);
 101     dshowdebug("  MaxOutputSize %ld\t%ld\n", caps->MaxOutputSize.cx, caps->MaxOutputSize.cy);
 102     dshowdebug("  OutputGranularityX\t%d\n", caps->OutputGranularityX);
 103     dshowdebug("  OutputGranularityY\t%d\n", caps->OutputGranularityY);
 104     dshowdebug("  StretchTapsX\t%d\n", caps->StretchTapsX);
 105     dshowdebug("  StretchTapsY\t%d\n", caps->StretchTapsY);
 106     dshowdebug("  ShrinkTapsX\t%d\n", caps->ShrinkTapsX);
 107     dshowdebug("  ShrinkTapsY\t%d\n", caps->ShrinkTapsY);
 108     dshowdebug("  MinFrameInterval\t%"PRId64"\n", caps->MinFrameInterval);
 109     dshowdebug("  MaxFrameInterval\t%"PRId64"\n", caps->MaxFrameInterval);
 110     dshowdebug("  MinBitsPerSecond\t%ld\n", caps->MinBitsPerSecond);
 111     dshowdebug("  MaxBitsPerSecond\t%ld\n", caps->MaxBitsPerSecond);
 112 #endif
 113 }
 114
 115 void ff_print_AUDIO_STREAM_CONFIG_CAPS(const AUDIO_STREAM_CONFIG_CAPS *caps)
 116 {
 117 #if DSHOWDEBUG
 118     dshowdebug(" AUDIO_STREAM_CONFIG_CAPS\n");
 119     dshowdebug("  guid\t");
 120     ff_printGUID(&caps->guid);
 121     dshowdebug("\n");
 122     dshowdebug("  MinimumChannels\t%lu\n", caps->MinimumChannels);
 123     dshowdebug("  MaximumChannels\t%lu\n", caps->MaximumChannels);
 124     dshowdebug("  ChannelsGranularity\t%lu\n", caps->ChannelsGranularity);
 125     dshowdebug("  MinimumBitsPerSample\t%lu\n", caps->MinimumBitsPerSample);
 126     dshowdebug("  MaximumBitsPerSample\t%lu\n", caps->MaximumBitsPerSample);
 127     dshowdebug("  BitsPerSampleGranularity\t%lu\n", caps->BitsPerSampleGranularity);
 128     dshowdebug("  MinimumSampleFrequency\t%lu\n", caps->MinimumSampleFrequency);
 129     dshowdebug("  MaximumSampleFrequency\t%lu\n", caps->MaximumSampleFrequency);
 130     dshowdebug("  SampleFrequencyGranularity\t%lu\n", caps->SampleFrequencyGranularity);
 131 #endif
 132 }
 133
 134 void ff_print_AM_MEDIA_TYPE(const AM_MEDIA_TYPE *type)
 135 {
 136 #if DSHOWDEBUG
 137     dshowdebug("    majortype\t");
 138     ff_printGUID(&type->majortype);
 139     dshowdebug("\n");
 140     dshowdebug("    subtype\t");
 141     ff_printGUID(&type->subtype);
 142     dshowdebug("\n");
 143     dshowdebug("    bFixedSizeSamples\t%d\n", type->bFixedSizeSamples);
 144     dshowdebug("    bTemporalCompression\t%d\n", type->bTemporalCompression);
 145     dshowdebug("    lSampleSize\t%lu\n", type->lSampleSize);
 146     dshowdebug("    formattype\t");
 147     ff_printGUID(&type->formattype);
 148     dshowdebug("\n");
 149     dshowdebug("    pUnk\t%p\n", type->pUnk);
 150     dshowdebug("    cbFormat\t%lu\n", type->cbFormat);
 151     dshowdebug("    pbFormat\t%p\n", type->pbFormat);
 152
 153     if (IsEqualGUID(&type->formattype, &FORMAT_VideoInfo)) {
 154         VIDEOINFOHEADER *v = (void *) type->pbFormat;
 155         dshowdebug("      rcSource: left %ld top %ld right %ld bottom %ld\n",
 156                    v->rcSource.left, v->rcSource.top, v->rcSource.right, v->rcSource.bottom);
 157         dshowdebug("      rcTarget: left %ld top %ld right %ld bottom %ld\n",
 158                    v->rcTarget.left, v->rcTarget.top, v->rcTarget.right, v->rcTarget.bottom);
 159         dshowdebug("      dwBitRate: %lu\n", v->dwBitRate);
 160         dshowdebug("      dwBitErrorRate: %lu\n", v->dwBitErrorRate);
 161         dshowdebug("      AvgTimePerFrame: %"PRId64"\n", v->AvgTimePerFrame);
 162         dump_bih(NULL, &v->bmiHeader);
 163     } else if (IsEqualGUID(&type->formattype, &FORMAT_VideoInfo2)) {
 164         VIDEOINFOHEADER2 *v = (void *) type->pbFormat;
 165         dshowdebug("      rcSource: left %ld top %ld right %ld bottom %ld\n",
 166                    v->rcSource.left, v->rcSource.top, v->rcSource.right, v->rcSource.bottom);
 167         dshowdebug("      rcTarget: left %ld top %ld right %ld bottom %ld\n",
 168                    v->rcTarget.left, v->rcTarget.top, v->rcTarget.right, v->rcTarget.bottom);
 169         dshowdebug("      dwBitRate: %lu\n", v->dwBitRate);
 170         dshowdebug("      dwBitErrorRate: %lu\n", v->dwBitErrorRate);
 171         dshowdebug("      AvgTimePerFrame: %"PRId64"\n", v->AvgTimePerFrame);
 172         dshowdebug("      dwInterlaceFlags: %lu\n", v->dwInterlaceFlags);
 173         dshowdebug("      dwCopyProtectFlags: %lu\n", v->dwCopyProtectFlags);
 174         dshowdebug("      dwPictAspectRatioX: %lu\n", v->dwPictAspectRatioX);
 175         dshowdebug("      dwPictAspectRatioY: %lu\n", v->dwPictAspectRatioY);
 176 //        dshowdebug("      dwReserved1: %lu\n", v->u.dwReserved1); /* mingw-w64 is buggy and doesn't name unnamed unions */
 177         dshowdebug("      dwReserved2: %lu\n", v->dwReserved2);
 178         dump_bih(NULL, &v->bmiHeader);
 179     } else if (IsEqualGUID(&type->formattype, &FORMAT_WaveFormatEx)) {
 180         WAVEFORMATEX *fx = (void *) type->pbFormat;
 181         dshowdebug("      wFormatTag: %u\n", fx->wFormatTag);
 182         dshowdebug("      nChannels: %u\n", fx->nChannels);
 183         dshowdebug("      nSamplesPerSec: %lu\n", fx->nSamplesPerSec);
 184         dshowdebug("      nAvgBytesPerSec: %lu\n", fx->nAvgBytesPerSec);
 185         dshowdebug("      nBlockAlign: %u\n", fx->nBlockAlign);
 186         dshowdebug("      wBitsPerSample: %u\n", fx->wBitsPerSample);
 187         dshowdebug("      cbSize: %u\n", fx->cbSize);
 188     }
 189 #endif
 190 }