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- // VirtualDub - Video processing and capture application
- // A/V interface library
- // Copyright (C) 1998-2005 Avery Lee
- //
- // 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., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- #include <vd2/system/file.h>
- #include <vd2/system/math.h>
- #include <vd2/system/vdstl.h>
- #include <vd2/system/error.h>
- #include <vd2/Riza/capdriver.h>
- #include <vd2/Riza/capreplay.h>
-
- ///////////////////////////////////////////////////////////////////////////
-
- class VDCaptureReplayDriver : public IVDCaptureReplayDriver {
- public:
- VDCaptureReplayDriver();
- ~VDCaptureReplayDriver();
-
- void SetChildCallback(IVDCaptureDriverCallback *pChild);
-
- void Init(const wchar_t *filename);
- bool ReplayNext();
-
- protected:
- IVDCaptureDriverCallback *mpCB;
-
- struct Event {
- bool audio;
- bool key;
- sint64 captime;
- sint64 globaltime;
- uint32 bytes;
- };
-
- struct ReverseEventSorter {
- bool operator()(const Event& ev1, const Event& ev2) const {
- return ev1.globaltime > ev2.globaltime;
- }
- };
-
- std::vector<Event> mEvents;
- vdblock<char> mDummyData;
- };
-
- VDCaptureReplayDriver::VDCaptureReplayDriver() {
- }
-
- VDCaptureReplayDriver::~VDCaptureReplayDriver() {
- }
-
- IVDCaptureReplayDriver *VDCreateCaptureReplayDriver() {
- return new VDCaptureReplayDriver;
- }
-
- void VDCaptureReplayDriver::SetChildCallback(IVDCaptureDriverCallback *pChild) {
- mpCB = pChild;
- }
-
- void VDCaptureReplayDriver::Init(const wchar_t *filename) {
- VDTextInputFile ifile(filename);
-
- // skip first line
- ifile.GetNextLine();
-
- uint32 largestDataBlock = 0;
-
- while(const char *txt = ifile.GetNextLine()) {
- const char *ranges[9][2];
-
- for(int i=0; i<9; ++i) {
- ranges[i][0] = txt;
- ranges[i][1] = strchr(txt, ',');
- if (!ranges[i][1])
- ranges[i][1] = txt + strlen(txt);
-
- txt = ranges[i][1];
- if (*txt)
- ++txt;
- }
-
- if (ranges[1][0] != ranges[1][1]) {
- Event vev;
-
- vev.audio = false;
- vev.key = atoi(ranges[4][0]) > 0;
- vev.captime = VDRoundToInt64(strtod(ranges[1][0], NULL) * 1000.0);
- vev.globaltime = VDRoundToInt64(strtod(ranges[2][0], NULL) * 1000.0);
- vev.bytes = atoi(ranges[3][0]);
-
- if (largestDataBlock < vev.bytes)
- largestDataBlock = vev.bytes;
-
- mEvents.push_back(vev);
- }
-
- if (ranges[5][0] != ranges[5][1]) {
- Event aev;
-
- aev.audio = true;
- aev.key = false;
- aev.globaltime = VDRoundToInt64(strtod(ranges[7][0], NULL) * 1000.0);
- aev.captime = aev.globaltime;
- aev.bytes = atoi(ranges[8][0]);
-
- if (largestDataBlock < aev.bytes)
- largestDataBlock = aev.bytes;
-
- mEvents.push_back(aev);
- }
- }
-
- mDummyData.resize(largestDataBlock);
-
- std::sort(mEvents.begin(), mEvents.end(), ReverseEventSorter());
-
- mpCB->CapBegin(0);
- }
-
- bool VDCaptureReplayDriver::ReplayNext() {
- if (mEvents.empty())
- return false;
-
- Event& ev = mEvents.back();
-
- try {
- mpCB->CapProcessData(ev.audio ? 1 : 0, mDummyData.data(), ev.bytes, ev.captime, ev.key, ev.globaltime);
- } catch(const MyError& e) {
- mpCB->CapEnd(&e);
- return false;
- }
-
- mEvents.pop_back();
-
- return true;
- }
-