mantarimay/Aegisub
1
0
Fork 0
forked from mia/Aegisub
Code Pull requests Activity

Remove the actual files as well.

Browse source 
Originally committed to SVN as r3586.
This commit is contained in:
Amar Takhar 2009-09-27 01:28:36 +00:00
parent 877f908064
commit e0d4dde970
3 changed files with 0 additions and 756 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

219
aegisub/libffms/src/core/haaliaudio.cpp
View file

@ -1,219 +0,0 @@
// Copyright (c) 2007-2009 Fredrik Mellbin
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#ifdef HAALISOURCE
#include "audiosource.h"
void FFHaaliAudio::Free(bool CloseCodec) {
if (CloseCodec)
avcodec_close(CodecContext);
av_freep(&CodecContext);
}
void FFHaaliAudio::DecodeNextAudioBlock(int64_t *AFirstStartTime, int64_t *Count) {
const size_t SizeConst = (av_get_bits_per_sample_format(CodecContext->sample_fmt) * CodecContext->channels) / 8;
int Ret = -1;
*AFirstStartTime = -1;
*Count = 0;
uint8_t *Buf = &DecodingBuffer[0];
AVPacket Packet;
InitNullPacket(Packet);
for (;;) {
CComPtr<IMMFrame> pMMF;
if (pMMC->ReadFrame(NULL, &pMMF) != S_OK)
break;
REFERENCE_TIME Ts, Te;
if (*AFirstStartTime < 0 && SUCCEEDED(pMMF->GetTime(&Ts, &Te)))
*AFirstStartTime = Ts;
if (pMMF->GetTrack() == AudioTrack) {
BYTE *Data = NULL;
if (FAILED(pMMF->GetPointer(&Data)))
goto Done;
Packet.data = Data;
Packet.size = pMMF->GetActualDataLength();
if (pMMF->IsSyncPoint() == S_OK)
Packet.flags = AV_PKT_FLAG_KEY;
else
Packet.flags = 0;
while (Packet.size > 0) {
int TempOutputBufSize = AVCODEC_MAX_AUDIO_FRAME_SIZE * 10;
Ret = avcodec_decode_audio3(CodecContext, (int16_t *)Buf, &TempOutputBufSize, &Packet);
if (Ret < 0) {// throw error or something?
goto Done;
}
if (Ret > 0) {
Packet.size -= Ret;
Packet.data += Ret;
Buf += TempOutputBufSize;
if (SizeConst)
*Count += TempOutputBufSize / SizeConst;
}
}
goto Done;
}
}
Done:;
}
FFHaaliAudio::FFHaaliAudio(const char *SourceFile, int Track, FFMS_Index *Index, enum FFMS_Sources SourceMode)
: Res(FFSourceResources<FFMS_AudioSource>(this)), FFMS_AudioSource(SourceFile, Index, Track) {
AVCodec *Codec = NULL;
CodecContext = NULL;
AudioTrack = Track;
Frames = (*Index)[AudioTrack];
pMMC = HaaliOpenFile(SourceFile, SourceMode);
int CodecPrivateSize = 0;
int CurrentTrack = 0;
CComPtr<IEnumUnknown> pEU;
CComQIPtr<IPropertyBag> pBag;
if (SUCCEEDED(pMMC->EnumTracks(&pEU))) {
CComPtr<IUnknown> pU;
while (pEU->Next(1, &pU, NULL) == S_OK) {
if (CurrentTrack++ == Track) {
pBag = pU;
if (pBag) {
CComVariant pV;
pV.Clear();
if (SUCCEEDED(pBag->Read(L"CodecPrivate", &pV, NULL))) {
CodecPrivateSize = vtSize(pV);
CodecPrivate.resize(CodecPrivateSize);
vtCopy(pV, FFMS_GET_VECTOR_PTR(CodecPrivate));
}
pV.Clear();
if (SUCCEEDED(pBag->Read(L"CodecID", &pV, NULL)) && SUCCEEDED(pV.ChangeType(VT_BSTR))) {
char ACodecID[2048];
wcstombs(ACodecID, pV.bstrVal, 2000);
int BitDepth = 0;
pV.Clear();
if (SUCCEEDED(pBag->Read(L"Audio.BitDepth", &pV, NULL)) && SUCCEEDED(pV.ChangeType(VT_UI4)))
BitDepth = pV.uintVal;
Codec = avcodec_find_decoder(MatroskaToFFCodecID(ACodecID, FFMS_GET_VECTOR_PTR(CodecPrivate), 0, BitDepth));
}
}
}
pU = NULL;
}
}
CodecContext = avcodec_alloc_context();
CodecContext->extradata = FFMS_GET_VECTOR_PTR(CodecPrivate);
CodecContext->extradata_size = CodecPrivateSize;
if (Codec == NULL)
throw FFMS_Exception(FFMS_ERROR_DECODING, FFMS_ERROR_CODEC,
"Audio codec not found");
InitializeCodecContextFromHaaliInfo(pBag, CodecContext);
if (avcodec_open(CodecContext, Codec) < 0)
throw FFMS_Exception(FFMS_ERROR_DECODING, FFMS_ERROR_CODEC,
"Could not open audio codec");
Res.CloseCodec(true);
// Always try to decode a frame to make sure all required parameters are known
int64_t Dummy1, Dummy2;
DecodeNextAudioBlock(&Dummy1, &Dummy2);
pMMC->Seek(Frames[0].DTS, MKVF_SEEK_TO_PREV_KEYFRAME_STRICT);
avcodec_flush_buffers(CodecContext);
FillAP(AP, CodecContext, Frames);
if (AP.SampleRate <= 0 || AP.BitsPerSample <= 0)
throw FFMS_Exception(FFMS_ERROR_DECODING, FFMS_ERROR_CODEC,
"Codec returned zero size audio");
AudioCache.Initialize((AP.Channels * AP.BitsPerSample) / 8, 50);
}
void FFHaaliAudio::GetAudio(void *Buf, int64_t Start, int64_t Count) {
GetAudioCheck(Start, Count);
const int64_t SizeConst = (av_get_bits_per_sample_format(CodecContext->sample_fmt) * CodecContext->channels) / 8;
memset(Buf, 0, static_cast<size_t>(SizeConst * Count));
bool HasSeeked = false;
int PreDecBlocks = 0;
uint8_t *DstBuf = static_cast<uint8_t *>(Buf);
// Fill with everything in the cache
int64_t CacheEnd = AudioCache.FillRequest(Start, Count, DstBuf);
// Was everything in the cache?
if (CacheEnd == Start + Count)
return;
int CurrentAudioBlock;
// Is seeking required to decode the requested samples?
// if (!(CurrentSample >= Start && CurrentSample <= CacheEnd)) {
if (CurrentSample != CacheEnd) {
PreDecBlocks = 15;
CurrentAudioBlock = FFMAX((int64_t)Frames.FindClosestAudioKeyFrame(CacheEnd) - PreDecBlocks - 20, (int64_t)0);
pMMC->Seek(Frames[CurrentAudioBlock].DTS, MKVF_SEEK_TO_PREV_KEYFRAME_STRICT);
avcodec_flush_buffers(CodecContext);
HasSeeked = true;
} else {
CurrentAudioBlock = Frames.FindClosestAudioKeyFrame(CurrentSample);
}
int64_t FirstTime, DecodeCount;
do {
DecodeNextAudioBlock(&FirstTime, &DecodeCount);
if (HasSeeked) {
CurrentAudioBlock = Frames.ClosestFrameFromDTS(FirstTime);
HasSeeked = false;
}
// Cache the block if enough blocks before it have been decoded to avoid garbage
if (PreDecBlocks == 0) {
AudioCache.CacheBlock(Frames[CurrentAudioBlock].SampleStart, DecodeCount, &DecodingBuffer[0]);
CacheEnd = AudioCache.FillRequest(CacheEnd, Start + Count - CacheEnd, DstBuf + (CacheEnd - Start) * SizeConst);
} else {
PreDecBlocks--;
}
CurrentAudioBlock++;
if (CurrentAudioBlock < static_cast<int>(Frames.size()))
CurrentSample = Frames[CurrentAudioBlock].SampleStart;
} while (Start + Count - CacheEnd > 0 && CurrentAudioBlock < static_cast<int>(Frames.size()));
}
#endif // HAALISOURCE

270
aegisub/libffms/src/core/haaliindexer.cpp
View file

@ -1,270 +0,0 @@
// Copyright (c) 2007-2009 Fredrik Mellbin
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#ifdef HAALISOURCE
#include "indexing.h"
FFHaaliIndexer::FFHaaliIndexer(const char *Filename, enum FFMS_Sources SourceMode) : FFMS_Indexer(Filename) {
this->SourceMode = SourceMode;
SourceFile = Filename;
Duration = 0;
for (int i = 0; i < 32; i++) {
TrackType[i] = FFMS_TYPE_UNKNOWN;
Codec[i] = NULL;
CodecPrivateSize[i] = 0;
}
pMMC = HaaliOpenFile(SourceFile, SourceMode);
CComQIPtr<IPropertyBag> pBag2 = pMMC;
CComVariant pV2;
if (SUCCEEDED(pBag2->Read(L"Duration", &pV2, NULL)) && SUCCEEDED(pV2.ChangeType(VT_UI8)))
Duration = pV2.ullVal;
NumTracks = 0;
CComPtr<IEnumUnknown> pEU;
if (SUCCEEDED(pMMC->EnumTracks(&pEU))) {
CComPtr<IUnknown> pU;
while (pEU->Next(1, &pU, NULL) == S_OK) {
CComQIPtr<IPropertyBag> pBag = pU;
PropertyBags[NumTracks] = pBag;
if (pBag) {
CComVariant pV;
unsigned int FourCC = 0;
pV.Clear();
if (SUCCEEDED(pBag->Read(L"Type", &pV, NULL)) && SUCCEEDED(pV.ChangeType(VT_UI4)))
TrackType[NumTracks] = HaaliTrackTypeToFFTrackType(pV.uintVal);
pV.Clear();
if (SUCCEEDED(pBag->Read(L"CodecPrivate", &pV, NULL))) {
CodecPrivateSize[NumTracks] = vtSize(pV);
CodecPrivate[NumTracks].resize(CodecPrivateSize[NumTracks]);
vtCopy(pV, FFMS_GET_VECTOR_PTR(CodecPrivate[NumTracks]));
}
pV.Clear();
if (SUCCEEDED(pBag->Read(L"FOURCC", &pV, NULL)) && SUCCEEDED(pV.ChangeType(VT_UI4))) {
FourCC = pV.uintVal;
// Reconstruct the missing codec private part for VC1
std::vector<uint8_t> bihvect;
bihvect.resize(sizeof(FFMS_BITMAPINFOHEADER));
FFMS_BITMAPINFOHEADER *bih = reinterpret_cast<FFMS_BITMAPINFOHEADER *>(FFMS_GET_VECTOR_PTR(bihvect));
memset(bih, 0, sizeof(FFMS_BITMAPINFOHEADER));
bih->biSize = sizeof(FFMS_BITMAPINFOHEADER) + CodecPrivateSize[NumTracks];
bih->biCompression = FourCC;
bih->biBitCount = 24;
bih->biPlanes = 1;
pV.Clear();
if (SUCCEEDED(pBag->Read(L"Video.PixelWidth", &pV, NULL)) && SUCCEEDED(pV.ChangeType(VT_UI4)))
bih->biWidth = pV.uintVal;
pV.Clear();
if (SUCCEEDED(pBag->Read(L"Video.PixelHeight", &pV, NULL)) && SUCCEEDED(pV.ChangeType(VT_UI4)))
bih->biHeight = pV.uintVal;
CodecPrivate[NumTracks].insert(CodecPrivate[NumTracks].begin(), bihvect.begin(), bihvect.end());
CodecPrivateSize[NumTracks] += sizeof(FFMS_BITMAPINFOHEADER);
}
pV.Clear();
if (SUCCEEDED(pBag->Read(L"CodecID", &pV, NULL)) && SUCCEEDED(pV.ChangeType(VT_BSTR))) {
char CodecStr[2048];
wcstombs(CodecStr, pV.bstrVal, 2000);
int BitDepth = 0;
pV.Clear();
if (SUCCEEDED(pBag->Read(L"Audio.BitDepth", &pV, NULL)) && SUCCEEDED(pV.ChangeType(VT_UI4)))
BitDepth = pV.uintVal;
Codec[NumTracks] = avcodec_find_decoder(MatroskaToFFCodecID(CodecStr, FFMS_GET_VECTOR_PTR(CodecPrivate[NumTracks]), FourCC, BitDepth));
}
}
pU = NULL;
NumTracks++;
}
}
}
FFMS_Index *FFHaaliIndexer::DoIndexing() {
std::vector<SharedAudioContext> AudioContexts(NumTracks, SharedAudioContext(true));
std::vector<SharedVideoContext> VideoContexts(NumTracks, SharedVideoContext(true));
std::auto_ptr<FFMS_Index> TrackIndices(new FFMS_Index(Filesize, Digest));
TrackIndices->Decoder = FFMS_SOURCE_HAALIMPEG;
if (SourceMode == FFMS_SOURCE_HAALIOGG)
TrackIndices->Decoder = FFMS_SOURCE_HAALIOGG;
for (int i = 0; i < NumTracks; i++) {
TrackIndices->push_back(FFMS_Track(1, 1000000, TrackType[i]));
if (TrackType[i] == FFMS_TYPE_VIDEO && Codec[i] && (VideoContexts[i].Parser = av_parser_init(Codec[i]->id))) {
AVCodecContext *CodecContext = avcodec_alloc_context();
CodecContext->extradata = FFMS_GET_VECTOR_PTR(CodecPrivate[i]);
CodecContext->extradata_size = CodecPrivateSize[i];
InitializeCodecContextFromHaaliInfo(PropertyBags[i], CodecContext);
if (avcodec_open(CodecContext, Codec[i]) < 0) {
av_freep(&CodecContext);
throw FFMS_Exception(FFMS_ERROR_CODEC, FFMS_ERROR_DECODING,
"Could not open video codec");
}
VideoContexts[i].CodecContext = CodecContext;
VideoContexts[i].Parser->flags = PARSER_FLAG_COMPLETE_FRAMES;
}
if (IndexMask & (1 << i) && TrackType[i] == FFMS_TYPE_AUDIO) {
if (Codec[i] == NULL)
throw FFMS_Exception(FFMS_ERROR_CODEC, FFMS_ERROR_UNSUPPORTED,
"Audio codec not found");
AVCodecContext *CodecContext = avcodec_alloc_context();
CodecContext->extradata = FFMS_GET_VECTOR_PTR(CodecPrivate[i]);
CodecContext->extradata_size = CodecPrivateSize[i];
AudioContexts[i].CodecContext = CodecContext;
if (avcodec_open(CodecContext, Codec[i]) < 0) {
av_freep(&CodecContext);
AudioContexts[i].CodecContext = NULL;
throw FFMS_Exception(FFMS_ERROR_CODEC, FFMS_ERROR_DECODING,
"Could not open audio codec");
}
} else {
IndexMask &= ~(1 << i);
}
}
//
AVPacket TempPacket;
InitNullPacket(TempPacket);
for (;;) {
CComPtr<IMMFrame> pMMF;
if (pMMC->ReadFrame(NULL, &pMMF) != S_OK)
break;
REFERENCE_TIME Ts, Te;
HRESULT hr = pMMF->GetTime(&Ts, &Te);
if (IC) {
if (Duration > 0) {
if (SUCCEEDED(hr)) {
if ((*IC)(Ts, Duration, ICPrivate))
throw FFMS_Exception(FFMS_ERROR_CANCELLED, FFMS_ERROR_USER,
"Cancelled by user");
}
} else {
if ((*IC)(0, 1, ICPrivate))
throw FFMS_Exception(FFMS_ERROR_CANCELLED, FFMS_ERROR_USER,
"Cancelled by user");
}
}
unsigned int Track = pMMF->GetTrack();
pMMF->GetPointer(&TempPacket.data);
TempPacket.size = pMMF->GetActualDataLength();
// Only create index entries for video for now to save space
if (TrackType[Track] == FFMS_TYPE_VIDEO) {
uint8_t *OB;
int OBSize;
int RepeatPict = -1;
if (VideoContexts[Track].Parser) {
av_parser_parse2(VideoContexts[Track].Parser, VideoContexts[Track].CodecContext, &OB, &OBSize, TempPacket.data, TempPacket.size, ffms_av_nopts_value, ffms_av_nopts_value, ffms_av_nopts_value);
RepeatPict = VideoContexts[Track].Parser->repeat_pict;
}
(*TrackIndices)[Track].push_back(TFrameInfo::VideoFrameInfo(Ts, RepeatPict, pMMF->IsSyncPoint() == S_OK));
} else if (TrackType[Track] == FFMS_TYPE_AUDIO && (IndexMask & (1 << Track))) {
int64_t StartSample = AudioContexts[Track].CurrentSample;
AVCodecContext *AudioCodecContext = AudioContexts[Track].CodecContext;
if (pMMF->IsSyncPoint() == S_OK)
TempPacket.flags = AV_PKT_FLAG_KEY;
else
TempPacket.flags = 0;
while (TempPacket.size > 0) {
int dbsize = AVCODEC_MAX_AUDIO_FRAME_SIZE*10;
int Ret = avcodec_decode_audio3(AudioCodecContext, &DecodingBuffer[0], &dbsize, &TempPacket);
if (Ret < 0) {
if (ErrorHandling == FFMS_IEH_ABORT) {
throw FFMS_Exception(FFMS_ERROR_CODEC, FFMS_ERROR_DECODING,
"Audio decoding error");
} else if (ErrorHandling == FFMS_IEH_CLEAR_TRACK) {
(*TrackIndices)[Track].clear();
IndexMask &= ~(1 << Track);
break;
} else if (ErrorHandling == FFMS_IEH_STOP_TRACK) {
IndexMask &= ~(1 << Track);
break;
} else if (ErrorHandling == FFMS_IEH_IGNORE) {
break;
}
}
if (Ret > 0) {
TempPacket.size -= Ret;
TempPacket.data += Ret;
}
if (dbsize > 0)
AudioContexts[Track].CurrentSample += (dbsize * 8) / (av_get_bits_per_sample_format(AudioCodecContext->sample_fmt) * AudioCodecContext->channels);
if (DumpMask & (1 << Track))
WriteAudio(AudioContexts[Track], TrackIndices.get(), Track, dbsize);
}
(*TrackIndices)[Track].push_back(TFrameInfo::AudioFrameInfo(Ts, StartSample,
static_cast<unsigned int>(AudioContexts[Track].CurrentSample - StartSample), pMMF->IsSyncPoint() == S_OK));
}
}
TrackIndices->Sort();
return TrackIndices.release();
}
int FFHaaliIndexer::GetNumberOfTracks() {
return NumTracks;
}
FFMS_TrackType FFHaaliIndexer::GetTrackType(int Track) {
return TrackType[Track];
}
const char *FFHaaliIndexer::GetTrackCodec(int Track) {
if (Codec[Track])
return Codec[Track]->name;
else
return "Unsupported codec/Unknown codec name";
}
#endif

267
aegisub/libffms/src/core/haalivideo.cpp
View file

@ -1,267 +0,0 @@
// Copyright (c) 2007-2009 Fredrik Mellbin
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#ifdef HAALISOURCE
#include "videosource.h"
void FFHaaliVideo::Free(bool CloseCodec) {
if (CloseCodec)
avcodec_close(CodecContext);
av_freep(&CodecContext);
if (BitStreamFilter)
av_bitstream_filter_close(BitStreamFilter);
}
FFHaaliVideo::FFHaaliVideo(const char *SourceFile, int Track,
FFMS_Index *Index, int Threads, enum FFMS_Sources SourceMode)
: Res(FFSourceResources<FFMS_VideoSource>(this)), FFMS_VideoSource(SourceFile, Index, Track) {
BitStreamFilter = NULL;
AVCodec *Codec = NULL;
CodecContext = NULL;
VideoTrack = Track;
Frames = (*Index)[VideoTrack];
pMMC = HaaliOpenFile(SourceFile, SourceMode);
int CodecPrivateSize = 0;
int CurrentTrack = 0;
CComPtr<IEnumUnknown> pEU;
CComQIPtr<IPropertyBag> pBag;
if (SUCCEEDED(pMMC->EnumTracks(&pEU))) {
CComPtr<IUnknown> pU;
while (pEU->Next(1, &pU, NULL) == S_OK) {
if (CurrentTrack++ == Track) {
pBag = pU;
if (pBag) {
CComVariant pV;
unsigned int FourCC = 0;
pV.Clear();
if (SUCCEEDED(pBag->Read(L"CodecPrivate", &pV, NULL))) {
CodecPrivateSize = vtSize(pV);
CodecPrivate.resize(CodecPrivateSize);
vtCopy(pV, FFMS_GET_VECTOR_PTR(CodecPrivate));
}
pV.Clear();
if (SUCCEEDED(pBag->Read(L"FOURCC", &pV, NULL)) && SUCCEEDED(pV.ChangeType(VT_UI4))) {
FourCC = pV.uintVal;
// Reconstruct the missing codec private part for VC1
std::vector<uint8_t> bihvect;
bihvect.resize(sizeof(FFMS_BITMAPINFOHEADER));
FFMS_BITMAPINFOHEADER *bih = reinterpret_cast<FFMS_BITMAPINFOHEADER *>(FFMS_GET_VECTOR_PTR(bihvect));
memset(bih, 0, sizeof(FFMS_BITMAPINFOHEADER));
bih->biSize = sizeof(FFMS_BITMAPINFOHEADER) + CodecPrivateSize;
bih->biCompression = FourCC;
bih->biBitCount = 24;
bih->biPlanes = 1;
pV.Clear();
if (SUCCEEDED(pBag->Read(L"Video.PixelWidth", &pV, NULL)) && SUCCEEDED(pV.ChangeType(VT_UI4)))
bih->biWidth = pV.uintVal;
pV.Clear();
if (SUCCEEDED(pBag->Read(L"Video.PixelHeight", &pV, NULL)) && SUCCEEDED(pV.ChangeType(VT_UI4)))
bih->biHeight = pV.uintVal;
CodecPrivate.insert(CodecPrivate.begin(), bihvect.begin(), bihvect.end());
CodecPrivateSize += sizeof(FFMS_BITMAPINFOHEADER);
}
pV.Clear();
if (SUCCEEDED(pBag->Read(L"CodecID", &pV, NULL)) && SUCCEEDED(pV.ChangeType(VT_BSTR))) {
char ACodecID[2048];
wcstombs(ACodecID, pV.bstrVal, 2000);
Codec = avcodec_find_decoder(MatroskaToFFCodecID(ACodecID, FFMS_GET_VECTOR_PTR(CodecPrivate), FourCC));
}
}
}
pU = NULL;
}
}
CodecContext = avcodec_alloc_context();
CodecContext->extradata = FFMS_GET_VECTOR_PTR(CodecPrivate);
CodecContext->extradata_size = CodecPrivateSize;
CodecContext->thread_count = Threads;
if (Codec == NULL)
throw FFMS_Exception(FFMS_ERROR_DECODING, FFMS_ERROR_CODEC,
"Video codec not found");
InitializeCodecContextFromHaaliInfo(pBag, CodecContext);
if (avcodec_open(CodecContext, Codec) < 0)
throw FFMS_Exception(FFMS_ERROR_DECODING, FFMS_ERROR_CODEC,
"Could not open video codec");
if (Codec->id == CODEC_ID_H264 && SourceMode == FFMS_SOURCE_HAALIMPEG)
BitStreamFilter = av_bitstream_filter_init("h264_mp4toannexb");
Res.CloseCodec(true);
// Always try to decode a frame to make sure all required parameters are known
int64_t Dummy;
DecodeNextFrame(&Dummy);
VP.FPSDenominator = 1;
VP.FPSNumerator = 30;
VP.RFFDenominator = CodecContext->time_base.num;
VP.RFFNumerator = CodecContext->time_base.den;
VP.NumFrames = Frames.size();
VP.TopFieldFirst = DecodeFrame->top_field_first;
#ifdef FFMS_HAVE_FFMPEG_COLORSPACE_INFO
VP.ColorSpace = CodecContext->colorspace;
VP.ColorRange = CodecContext->color_range;
#else
VP.ColorSpace = 0;
VP.ColorRange = 0;
#endif
VP.FirstTime = ((Frames.front().DTS * Frames.TB.Num) / (double)Frames.TB.Den) / 1000;
VP.LastTime = ((Frames.back().DTS * Frames.TB.Num) / (double)Frames.TB.Den) / 1000;
if (CodecContext->width <= 0 || CodecContext->height <= 0)
throw FFMS_Exception(FFMS_ERROR_DECODING, FFMS_ERROR_CODEC,
"Codec returned zero size video");
// Calculate the average framerate
if (Frames.size() >= 2) {
double DTSDiff = (double)(Frames.back().DTS - Frames.front().DTS);
VP.FPSDenominator = (unsigned int)(DTSDiff / (double)1000 / (double)(VP.NumFrames - 1) + 0.5);
VP.FPSNumerator = 1000000;
}
// Output the already decoded frame so it isn't wasted
OutputFrame(DecodeFrame);
// Set AR variables
CComVariant pV;
pV.Clear();
if (SUCCEEDED(pBag->Read(L"Video.DisplayWidth", &pV, NULL)) && SUCCEEDED(pV.ChangeType(VT_UI4)))
VP.SARNum = pV.uiVal;
pV.Clear();
if (SUCCEEDED(pBag->Read(L"Video.DisplayHeight", &pV, NULL)) && SUCCEEDED(pV.ChangeType(VT_UI4)))
VP.SARDen = pV.uiVal;
}
void FFHaaliVideo::DecodeNextFrame(int64_t *AFirstStartTime) {
int FrameFinished = 0;
*AFirstStartTime = -1;
AVPacket Packet;
InitNullPacket(Packet);
for (;;) {
CComPtr<IMMFrame> pMMF;
if (pMMC->ReadFrame(NULL, &pMMF) != S_OK)
break;
REFERENCE_TIME Ts, Te;
if (*AFirstStartTime < 0 && SUCCEEDED(pMMF->GetTime(&Ts, &Te)))
*AFirstStartTime = Ts;
if (pMMF->GetTrack() == VideoTrack) {
BYTE *Data = NULL;
if (FAILED(pMMF->GetPointer(&Data)))
goto Error;
Packet.data = Data;
Packet.size = pMMF->GetActualDataLength();
if (pMMF->IsSyncPoint() == S_OK)
Packet.flags = AV_PKT_FLAG_KEY;
else
Packet.flags = 0;
if (BitStreamFilter)
av_bitstream_filter_filter(BitStreamFilter, CodecContext, NULL,
&Packet.data, &Packet.size, Data, pMMF->GetActualDataLength(), !!Packet.flags);
if (CodecContext->codec_id == CODEC_ID_MPEG4 && IsNVOP(Packet))
goto Done;
avcodec_decode_video2(CodecContext, DecodeFrame, &FrameFinished, &Packet);
if (FrameFinished)
goto Done;
}
}
// Flush the last frames
if (CodecContext->has_b_frames) {
AVPacket NullPacket;
InitNullPacket(NullPacket);
avcodec_decode_video2(CodecContext, DecodeFrame, &FrameFinished, &NullPacket);
}
if (!FrameFinished)
goto Error;
Error:
Done:;
}
FFMS_Frame *FFHaaliVideo::GetFrame(int n) {
GetFrameCheck(n);
if (LastFrameNum == n)
return &LocalFrame;
bool HasSeeked = false;
int SeekOffset = 0;
if (n < CurrentFrame || Frames.FindClosestVideoKeyFrame(n) > CurrentFrame + 10) {
ReSeek:
pMMC->Seek(Frames[n + SeekOffset].DTS, MMSF_PREV_KF);
avcodec_flush_buffers(CodecContext);
HasSeeked = true;
}
do {
int64_t StartTime;
DecodeNextFrame(&StartTime);
if (HasSeeked) {
HasSeeked = false;
if (StartTime < 0 || (CurrentFrame = Frames.FrameFromDTS(StartTime)) < 0) {
// No idea where we are so go back a bit further
if (n + SeekOffset == 0)
throw FFMS_Exception(FFMS_ERROR_DECODING, FFMS_ERROR_CODEC,
"Frame accurate seeking is not possible in this file");
SeekOffset -= FFMIN(20, n + SeekOffset);
goto ReSeek;
}
}
CurrentFrame++;
} while (CurrentFrame <= n);
LastFrameNum = n;
return OutputFrame(DecodeFrame);
}
#endif // HAALISOURCE