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mkvparser sample: clang-formatify

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Exception asterisk placement, which was left as before to match the rest of
libwebm.

Change-Id: I3947acc936cca68df72a5bcd8dec17ed40658ba6
This commit is contained in:
Tom Finegan
2014-01-23 10:38:20 -08:00
parent 327e8ab617
commit 71a097fb12
1 changed files with 241 additions and 266 deletions
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507
sample.cpp
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@@ -19,300 +19,275 @@
#pragma warning(disable:4996) #pragma warning(disable:4996)
#endif #endif
static const wchar_t* utf8towcs(const char* str) static const wchar_t* utf8towcs(const char* str) {
{ if (str == NULL) return NULL;
if (str == NULL)
return NULL;
//TODO: this probably requires that the locale be // TODO: this probably requires that the locale be
//configured somehow: // configured somehow:
const size_t size = mbstowcs(NULL, str, 0); const size_t size = mbstowcs(NULL, str, 0);
if (size == 0) if (size == 0)
return NULL; return NULL;
wchar_t* const val = new wchar_t[size+1]; wchar_t* const val = new wchar_t[size + 1];
mbstowcs(val, str, size); mbstowcs(val, str, size);
val[size] = L'\0'; val[size] = L'\0';
return val; return val;
} }
int main(int argc, char* argv[]) {
if (argc == 1) {
printf("\t\t\tMkv Parser Sample Application\n");
printf("\t\t\tUsage: \n");
printf("\t\t\t ./sample [input file] \n");
printf("\t\t\t ./sample sample.mkv \n");
return -1;
}
int main(int argc, char* argv[]) using namespace mkvparser;
{
if (argc == 1) MkvReader reader;
{
printf("\t\t\tMkv Parser Sample Application\n"); if (reader.Open(argv[1])) {
printf("\t\t\tUsage: \n"); printf("\n Filename is invalid or error while opening.\n");
printf("\t\t\t ./sample [input file] \n"); return -1;
printf("\t\t\t ./sample sample.mkv \n"); }
return -1;
int maj, min, build, rev;
GetVersion(maj, min, build, rev);
printf("\t\t libmkv verison: %d.%d.%d.%d\n", maj, min, build, rev);
long long pos = 0;
EBMLHeader ebmlHeader;
ebmlHeader.Parse(&reader, pos);
printf("\t\t\t EBML Header\n");
printf("\t\tEBML Version\t\t: %lld\n", ebmlHeader.m_version);
printf("\t\tEBML MaxIDLength\t: %lld\n", ebmlHeader.m_maxIdLength);
printf("\t\tEBML MaxSizeLength\t: %lld\n", ebmlHeader.m_maxSizeLength);
printf("\t\tDoc Type\t\t: %s\n", ebmlHeader.m_docType);
printf("\t\tPos\t\t\t: %lld\n", pos);
typedef mkvparser::Segment seg_t;
seg_t* pSegment_;
long long ret = seg_t::CreateInstance(&reader, pos, pSegment_);
if (ret) {
printf("\n Segment::CreateInstance() failed.");
return -1;
}
const std::auto_ptr<seg_t> pSegment(pSegment_);
ret = pSegment->Load();
if (ret < 0) {
printf("\n Segment::Load() failed.");
return -1;
}
const SegmentInfo* const pSegmentInfo = pSegment->GetInfo();
const long long timeCodeScale = pSegmentInfo->GetTimeCodeScale();
const long long duration_ns = pSegmentInfo->GetDuration();
const char* const pTitle_ = pSegmentInfo->GetTitleAsUTF8();
const wchar_t* const pTitle = utf8towcs(pTitle_);
const char* const pMuxingApp_ = pSegmentInfo->GetMuxingAppAsUTF8();
const wchar_t* const pMuxingApp = utf8towcs(pMuxingApp_);
const char* const pWritingApp_ = pSegmentInfo->GetWritingAppAsUTF8();
const wchar_t* const pWritingApp = utf8towcs(pWritingApp_);
printf("\n");
printf("\t\t\t Segment Info\n");
printf("\t\tTimeCodeScale\t\t: %lld \n", timeCodeScale);
printf("\t\tDuration\t\t: %lld\n", duration_ns);
const double duration_sec = double(duration_ns) / 1000000000;
printf("\t\tDuration(secs)\t\t: %7.3lf\n", duration_sec);
if (pTitle == NULL)
printf("\t\tTrack Name\t\t: NULL\n");
else {
printf("\t\tTrack Name\t\t: %ls\n", pTitle);
delete[] pTitle;
}
if (pMuxingApp == NULL)
printf("\t\tMuxing App\t\t: NULL\n");
else {
printf("\t\tMuxing App\t\t: %ls\n", pMuxingApp);
delete[] pMuxingApp;
}
if (pWritingApp == NULL)
printf("\t\tWriting App\t\t: NULL\n");
else {
printf("\t\tWriting App\t\t: %ls\n", pWritingApp);
delete[] pWritingApp;
}
// pos of segment payload
printf("\t\tPosition(Segment)\t: %lld\n", pSegment->m_start);
// size of segment payload
printf("\t\tSize(Segment)\t\t: %lld\n", pSegment->m_size);
const mkvparser::Tracks* pTracks = pSegment->GetTracks();
unsigned long i = 0;
const unsigned long j = pTracks->GetTracksCount();
printf("\n\t\t\t Track Info\n");
while (i != j) {
const Track* const pTrack = pTracks->GetTrackByIndex(i++);
if (pTrack == NULL) continue;
const long trackType = pTrack->GetType();
const long trackNumber = pTrack->GetNumber();
const unsigned long long trackUid = pTrack->GetUid();
const wchar_t* const pTrackName = utf8towcs(pTrack->GetNameAsUTF8());
printf("\t\tTrack Type\t\t: %ld\n", trackType);
printf("\t\tTrack Number\t\t: %ld\n", trackNumber);
printf("\t\tTrack Uid\t\t: %lld\n", trackUid);
if (pTrackName == NULL)
printf("\t\tTrack Name\t\t: NULL\n");
else {
printf("\t\tTrack Name\t\t: %ls \n", pTrackName);
delete[] pTrackName;
} }
using namespace mkvparser; const char* const pCodecId = pTrack->GetCodecId();
MkvReader reader; if (pCodecId == NULL)
printf("\t\tCodec Id\t\t: NULL\n");
if (reader.Open(argv[1]))
{
printf("\n Filename is invalid or error while opening.\n");
return -1;
}
int maj, min, build, rev;
GetVersion(maj, min, build, rev);
printf("\t\t libmkv verison: %d.%d.%d.%d\n", maj, min, build, rev);
long long pos = 0;
EBMLHeader ebmlHeader;
ebmlHeader.Parse(&reader, pos);
printf("\t\t\t EBML Header\n");
printf("\t\tEBML Version\t\t: %lld\n", ebmlHeader.m_version);
printf("\t\tEBML MaxIDLength\t: %lld\n", ebmlHeader.m_maxIdLength);
printf("\t\tEBML MaxSizeLength\t: %lld\n", ebmlHeader.m_maxSizeLength);
printf("\t\tDoc Type\t\t: %s\n", ebmlHeader.m_docType);
printf("\t\tPos\t\t\t: %lld\n", pos);
typedef mkvparser::Segment seg_t;
seg_t* pSegment_;
long long ret = seg_t::CreateInstance(&reader, pos, pSegment_);
if (ret)
{
printf("\n Segment::CreateInstance() failed.");
return -1;
}
const std::auto_ptr<seg_t> pSegment(pSegment_);
ret = pSegment->Load();
if (ret < 0)
{
printf("\n Segment::Load() failed.");
return -1;
}
const SegmentInfo* const pSegmentInfo = pSegment->GetInfo();
const long long timeCodeScale = pSegmentInfo->GetTimeCodeScale();
const long long duration_ns = pSegmentInfo->GetDuration();
const char* const pTitle_ = pSegmentInfo->GetTitleAsUTF8();
const wchar_t* const pTitle = utf8towcs(pTitle_);
const char* const pMuxingApp_ = pSegmentInfo->GetMuxingAppAsUTF8();
const wchar_t* const pMuxingApp = utf8towcs(pMuxingApp_);
const char* const pWritingApp_ = pSegmentInfo->GetWritingAppAsUTF8();
const wchar_t* const pWritingApp = utf8towcs(pWritingApp_);
printf("\n");
printf("\t\t\t Segment Info\n");
printf("\t\tTimeCodeScale\t\t: %lld \n", timeCodeScale);
printf("\t\tDuration\t\t: %lld\n", duration_ns);
const double duration_sec = double(duration_ns) / 1000000000;
printf("\t\tDuration(secs)\t\t: %7.3lf\n", duration_sec);
if (pTitle == NULL)
printf("\t\tTrack Name\t\t: NULL\n");
else else
{ printf("\t\tCodec Id\t\t: %s\n", pCodecId);
printf("\t\tTrack Name\t\t: %ls\n", pTitle);
delete [] pTitle; const char* const pCodecName_ = pTrack->GetCodecNameAsUTF8();
const wchar_t* const pCodecName = utf8towcs(pCodecName_);
if (pCodecName == NULL)
printf("\t\tCodec Name\t\t: NULL\n");
else {
printf("\t\tCodec Name\t\t: %ls\n", pCodecName);
delete[] pCodecName;
} }
if (trackType == mkvparser::Track::kVideo) {
const VideoTrack* const pVideoTrack =
static_cast<const VideoTrack* >(pTrack);
if (pMuxingApp == NULL) const long long width = pVideoTrack->GetWidth();
printf("\t\tMuxing App\t\t: NULL\n"); printf("\t\tVideo Width\t\t: %lld\n", width);
else
{ const long long height = pVideoTrack->GetHeight();
printf("\t\tMuxing App\t\t: %ls\n", pMuxingApp); printf("\t\tVideo Height\t\t: %lld\n", height);
delete [] pMuxingApp;
const double rate = pVideoTrack->GetFrameRate();
printf("\t\tVideo Rate\t\t: %f\n", rate);
} }
if (pWritingApp == NULL) if (trackType == mkvparser::Track::kAudio) {
printf("\t\tWriting App\t\t: NULL\n"); const AudioTrack* const pAudioTrack =
else static_cast<const AudioTrack* >(pTrack);
const long long channels = pAudioTrack->GetChannels();
printf("\t\tAudio Channels\t\t: %lld\n", channels);
const long long bitDepth = pAudioTrack->GetBitDepth();
printf("\t\tAudio BitDepth\t\t: %lld\n", bitDepth);
const double sampleRate = pAudioTrack->GetSamplingRate();
printf("\t\tAddio Sample Rate\t: %.3f\n", sampleRate);
const long long codecDelay = pAudioTrack->GetCodecDelay();
printf("\t\tAudio Codec Delay\t\t: %lld\n", codecDelay);
const long long seekPreRoll = pAudioTrack->GetSeekPreRoll();
printf("\t\tAudio Seek Pre Roll\t\t: %lld\n", seekPreRoll);
}
}
printf("\n\n\t\t\t Cluster Info\n");
const unsigned long clusterCount = pSegment->GetCount();
printf("\t\tCluster Count\t: %ld\n\n", clusterCount);
if (clusterCount == 0) {
printf("\t\tSegment has no clusters.\n");
return -1;
}
const mkvparser::Cluster* pCluster = pSegment->GetFirst();
while ((pCluster != NULL) && !pCluster->EOS()) {
const long long timeCode = pCluster->GetTimeCode();
printf("\t\tCluster Time Code\t: %lld\n", timeCode);
const long long time_ns = pCluster->GetTime();
printf("\t\tCluster Time (ns)\t: %lld\n", time_ns);
const BlockEntry* pBlockEntry;
long status = pCluster->GetFirst(pBlockEntry);
if (status < 0) // error
{ {
printf("\t\tWriting App\t\t: %ls\n", pWritingApp); printf("\t\tError parsing first block of cluster\n");
delete [] pWritingApp; fflush(stdout);
return -1;
} }
// pos of segment payload while ((pBlockEntry != NULL) && !pBlockEntry->EOS()) {
printf("\t\tPosition(Segment)\t: %lld\n", pSegment->m_start); const Block* const pBlock = pBlockEntry->GetBlock();
const long long trackNum = pBlock->GetTrackNumber();
const unsigned long tn = static_cast<unsigned long>(trackNum);
const Track* const pTrack = pTracks->GetTrackByNumber(tn);
// size of segment payload if (pTrack == NULL)
printf("\t\tSize(Segment)\t\t: %lld\n", pSegment->m_size); printf("\t\t\tBlock\t\t:UNKNOWN TRACK TYPE\n");
else {
const long long trackType = pTrack->GetType();
const int frameCount = pBlock->GetFrameCount();
const long long time_ns = pBlock->GetTime(pCluster);
const long long discard_padding = pBlock->GetDiscardPadding();
const mkvparser::Tracks* pTracks = pSegment->GetTracks(); printf("\t\t\tBlock\t\t:%s,%s,%15lld,%lld\n",
(trackType == mkvparser::Track::kVideo) ? "V" : "A",
pBlock->IsKey() ? "I" : "P", time_ns, discard_padding);
unsigned long i = 0; for (int i = 0; i < frameCount; ++i) {
const unsigned long j = pTracks->GetTracksCount(); const Block::Frame &theFrame = pBlock->GetFrame(i);
const long size = theFrame.len;
printf("\n\t\t\t Track Info\n"); const long long offset = theFrame.pos;
printf("\t\t\t %15ld,%15llx\n", size, offset);
while (i != j)
{
const Track* const pTrack = pTracks->GetTrackByIndex(i++);
if (pTrack == NULL)
continue;
const long trackType = pTrack->GetType();
const long trackNumber = pTrack->GetNumber();
const unsigned long long trackUid = pTrack->GetUid();
const wchar_t* const pTrackName = utf8towcs(pTrack->GetNameAsUTF8());
printf("\t\tTrack Type\t\t: %ld\n", trackType);
printf("\t\tTrack Number\t\t: %ld\n", trackNumber);
printf("\t\tTrack Uid\t\t: %lld\n", trackUid);
if (pTrackName == NULL)
printf("\t\tTrack Name\t\t: NULL\n");
else
{
printf("\t\tTrack Name\t\t: %ls \n", pTrackName);
delete [] pTrackName;
} }
}
const char* const pCodecId = pTrack->GetCodecId(); status = pCluster->GetNext(pBlockEntry, pBlockEntry);
if (pCodecId == NULL) if (status < 0) {
printf("\t\tCodec Id\t\t: NULL\n"); printf("\t\t\tError parsing next block of cluster\n");
else fflush(stdout);
printf("\t\tCodec Id\t\t: %s\n", pCodecId);
const char* const pCodecName_ = pTrack->GetCodecNameAsUTF8();
const wchar_t* const pCodecName = utf8towcs(pCodecName_);
if (pCodecName == NULL)
printf("\t\tCodec Name\t\t: NULL\n");
else
{
printf("\t\tCodec Name\t\t: %ls\n", pCodecName);
delete [] pCodecName;
}
if (trackType == mkvparser::Track::kVideo)
{
const VideoTrack* const pVideoTrack =
static_cast<const VideoTrack*>(pTrack);
const long long width = pVideoTrack->GetWidth();
printf("\t\tVideo Width\t\t: %lld\n", width);
const long long height = pVideoTrack->GetHeight();
printf("\t\tVideo Height\t\t: %lld\n", height);
const double rate = pVideoTrack->GetFrameRate();
printf("\t\tVideo Rate\t\t: %f\n",rate);
}
if (trackType == mkvparser::Track::kAudio)
{
const AudioTrack* const pAudioTrack =
static_cast<const AudioTrack*>(pTrack);
const long long channels = pAudioTrack->GetChannels();
printf("\t\tAudio Channels\t\t: %lld\n", channels);
const long long bitDepth = pAudioTrack->GetBitDepth();
printf("\t\tAudio BitDepth\t\t: %lld\n", bitDepth);
const double sampleRate = pAudioTrack->GetSamplingRate();
printf("\t\tAddio Sample Rate\t: %.3f\n", sampleRate);
const long long codecDelay = pAudioTrack->GetCodecDelay();
printf("\t\tAudio Codec Delay\t\t: %lld\n", codecDelay);
const long long seekPreRoll = pAudioTrack->GetSeekPreRoll();
printf("\t\tAudio Seek Pre Roll\t\t: %lld\n", seekPreRoll);
}
}
printf("\n\n\t\t\t Cluster Info\n");
const unsigned long clusterCount = pSegment->GetCount();
printf("\t\tCluster Count\t: %ld\n\n", clusterCount);
if (clusterCount == 0)
{
printf("\t\tSegment has no clusters.\n");
return -1; return -1;
}
} }
const mkvparser::Cluster* pCluster = pSegment->GetFirst(); pCluster = pSegment->GetNext(pCluster);
}
while ((pCluster != NULL) && !pCluster->EOS()) fflush(stdout);
{ return 0;
const long long timeCode = pCluster->GetTimeCode(); }
printf("\t\tCluster Time Code\t: %lld\n", timeCode);
const long long time_ns = pCluster->GetTime();
printf("\t\tCluster Time (ns)\t: %lld\n", time_ns);
const BlockEntry* pBlockEntry;
long status = pCluster->GetFirst(pBlockEntry);
if (status < 0) //error
{
printf("\t\tError parsing first block of cluster\n");
fflush(stdout);
return -1;
}
while ((pBlockEntry != NULL) && !pBlockEntry->EOS())
{
const Block* const pBlock = pBlockEntry->GetBlock();
const long long trackNum = pBlock->GetTrackNumber();
const unsigned long tn = static_cast<unsigned long>(trackNum);
const Track* const pTrack = pTracks->GetTrackByNumber(tn);
if (pTrack == NULL)
printf("\t\t\tBlock\t\t:UNKNOWN TRACK TYPE\n");
else
{
const long long trackType = pTrack->GetType();
const int frameCount = pBlock->GetFrameCount();
const long long time_ns = pBlock->GetTime(pCluster);
const long long discard_padding = pBlock->GetDiscardPadding();
printf("\t\t\tBlock\t\t:%s,%s,%15lld,%lld\n",
(trackType == mkvparser::Track::kVideo) ? "V" : "A",
pBlock->IsKey() ? "I" : "P",
time_ns, discard_padding);
for (int i = 0; i < frameCount; ++i)
{
const Block::Frame& theFrame = pBlock->GetFrame(i);
const long size = theFrame.len;
const long long offset = theFrame.pos;
printf("\t\t\t %15ld,%15llx\n", size, offset);
}
}
status = pCluster->GetNext(pBlockEntry, pBlockEntry);
if (status < 0)
{
printf("\t\t\tError parsing next block of cluster\n");
fflush(stdout);
return -1;
}
}
pCluster = pSegment->GetNext(pCluster);
}
fflush(stdout);
return 0;
}