forked from mia/Aegisub
Move ffmpegsource_common.(cpp|h) and change the license to fit the rest of libaegisub with permission of the current license holder (Karl Blomster)
Originally committed to SVN as r5275.
This commit is contained in:
Amar Takhar
parent
bcafbe2083
commit
93ceb59b0f
2 changed files with 505 additions and 0 deletions
391
aegisub/libaegisub/media/ffms_common.cpp
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391
aegisub/libaegisub/media/ffms_common.cpp
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// Copyright (c) 2008-2009, Karl Blomster
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Aegisub Project http://www.aegisub.org/
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//
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// $Id$
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/// @file ffmpegsource_common.cpp
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/// @brief Shared code for ffms video and audio providers
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/// @ingroup video_input audio_input ffms
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///
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#include "config.h"
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#ifdef WITH_FFMPEGSOURCE
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#ifndef AGI_PRE
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#include <inttypes.h>
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#include <map>
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//#include <wx/dir.h>
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//#include <wx/choicdlg.h> // Keep this last so wxUSE_CHOICEDLG is set.
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#endif
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#include <libaegisub/log.h>
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#include "ffms_common.h"
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//#include "compat.h"
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//#include "ffmpegsource_common.h"
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//#include "frame_main.h"
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//#include "main.h"
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//#include "md5.h"
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//#include "standard_paths.h"
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namespace agi {
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namespace ffms {
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/// @brief Callback function that updates the indexing progress dialog
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/// @param Current The current file positition in bytes
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/// @param Total The total file size in bytes
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/// @param Private A pointer to the progress dialog box to update
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/// @return Returns non-0 if indexing is cancelled, 0 otherwise.
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///
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int FFMS_CC FFmpegSourceProvider::UpdateIndexingProgress(int64_t Current, int64_t Total, void *Private) {
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IndexingProgressDialog *Progress = (IndexingProgressDialog *)Private;
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if (Progress->IndexingCanceled)
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return 1;
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// no one cares about a little bit of a rounding error here anyway
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// Progress->ProgressDialog->SetProgress(((int64_t)1000*Current)/Total, 1000);
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return 0;
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}
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/// @brief Does indexing of a source file
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/// @param Indexer A pointer to the indexer object representing the file to be indexed
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/// @param CacheName The filename of the output index file
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/// @param Trackmask A binary mask of the track numbers to index
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/// @param IgnoreDecodeErrors True if audio decoding errors will be tolerated, false otherwise
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/// @return Returns the index object on success, NULL otherwise
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///
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FFMS_Index *FFmpegSourceProvider::DoIndexing(FFMS_Indexer *Indexer, const std::string &CacheName, int Trackmask, FFMS_IndexErrorHandling IndexEH) {
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char FFMSErrMsg[1024];
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FFMS_ErrorInfo ErrInfo;
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ErrInfo.Buffer = FFMSErrMsg;
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ErrInfo.BufferSize = sizeof(FFMSErrMsg);
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ErrInfo.ErrorType = FFMS_ERROR_SUCCESS;
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ErrInfo.SubType = FFMS_ERROR_SUCCESS;
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std::string MsgString;
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/*
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// set up progress dialog callback
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IndexingProgressDialog Progress;
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Progress.IndexingCanceled = false;
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Progress.ProgressDialog = new DialogProgress(AegisubApp::Get()->frame,
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_("Indexing"), &Progress.IndexingCanceled,
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_("Reading timecodes and frame/sample data"), 0, 1);
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Progress.ProgressDialog->Show();
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Progress.ProgressDialog->SetProgress(0,1);
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// index all audio tracks
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FFMS_Index *Index = FFMS_DoIndexing(Indexer, Trackmask, FFMS_TRACKMASK_NONE, NULL, NULL, IndexEH,
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FFmpegSourceProvider::UpdateIndexingProgress, &Progress, &ErrInfo);
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Progress.ProgressDialog->Destroy();
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if (Progress.IndexingCanceled) {
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throw agi::UserCancelException("indexing cancelled by user");
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}
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if (Index == NULL) {
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MsgString.append("Failed to index: ").append(ErrInfo.Buffer);
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throw MsgString;
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}
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// write index to disk for later use
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// ignore write errors for now
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FFMS_WriteIndex(CacheName.c_str(), Index, &ErrInfo);
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// if (FFMS_WriteIndex(CacheName.char_str(), Index, FFMSErrMsg, MsgSize)) {
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// wxString temp(FFMSErrMsg, wxConvUTF8);
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// MsgString << _T("Failed to write index: ") << temp;
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// throw MsgString;
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// }
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*/
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FFMS_Index *Index;
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return Index;
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}
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/// @brief Finds all tracks of the given type and return their track numbers and respective codec names
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/// @param Indexer The indexer object representing the source file
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/// @param Type The track type to look for
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/// @return Returns a std::map with the track numbers as keys and the codec names as values.
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std::map<int,std::string> FFmpegSourceProvider::GetTracksOfType(FFMS_Indexer *Indexer, FFMS_TrackType Type) {
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std::map<int,std::string> TrackList;
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int NumTracks = FFMS_GetNumTracksI(Indexer);
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for (int i=0; i<NumTracks; i++) {
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if (FFMS_GetTrackTypeI(Indexer, i) == Type) {
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std::string CodecName(FFMS_GetCodecNameI(Indexer, i));
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TrackList.insert(std::pair<int,std::string>(i, CodecName));
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}
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}
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return TrackList;
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}
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/// @brief Ask user for which track he wants to load
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/// @param TrackList A std::map with the track numbers as keys and codec names as values
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/// @param Type The track type to ask about
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/// @return Returns the track number chosen (an integer >= 0) on success, or a negative integer if the user cancelled.
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/*
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int FFmpegSourceProvider::AskForTrackSelection(const std::map<int,std::string> &TrackList, FFMS_TrackType Type) {
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std::vector<int> TrackNumbers;
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wxArrayString Choices;
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std::string TypeName = "";
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if (Type == FFMS_TYPE_VIDEO)
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TypeName = _("video");
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else if (Type == FFMS_TYPE_AUDIO)
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TypeName = _("audio");
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for (std::map<int,std::string>::const_iterator i = TrackList.begin(); i != TrackList.end(); i++) {
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istream str;
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//XXX Choices.Add(ng::Format(_("Track %02d: %s"), i->first, i->second.c_str()));
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TrackNumbers.push_back(i->first);
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}
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int Choice = wxGetSingleChoiceIndex(wxString::Format(_("Multiple %s tracks detected, please choose the one you wish to load:"), TypeName.c_str()),
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wxString::Format(_("Choose %s track"), TypeName.c_str()), Choices);
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if (Choice < 0)
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return Choice;
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else
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return TrackNumbers[Choice];
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}
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*/
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/// @brief Set ffms2 log level according to setting in config.dat
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void FFmpegSourceProvider::SetLogLevel() {
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/*
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wxString LogLevel = lagi_wxString(OPT_GET("Provider/FFmpegSource/Log Level")->GetString());
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if (!LogLevel.CmpNoCase("panic"))
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FFMS_SetLogLevel(FFMS_LOG_PANIC);
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else if (!LogLevel.CmpNoCase("fatal"))
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FFMS_SetLogLevel(FFMS_LOG_FATAL);
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else if (!LogLevel.CmpNoCase("error"))
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FFMS_SetLogLevel(FFMS_LOG_ERROR);
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else if (!LogLevel.CmpNoCase("warning"))
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FFMS_SetLogLevel(FFMS_LOG_WARNING);
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else if (!LogLevel.CmpNoCase("info"))
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FFMS_SetLogLevel(FFMS_LOG_INFO);
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else if (!LogLevel.CmpNoCase("verbose"))
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FFMS_SetLogLevel(FFMS_LOG_VERBOSE);
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else if (!LogLevel.CmpNoCase("debug"))
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FFMS_SetLogLevel(FFMS_LOG_DEBUG);
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else */
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FFMS_SetLogLevel(FFMS_LOG_QUIET);
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}
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FFMS_IndexErrorHandling FFmpegSourceProvider::GetErrorHandlingMode() {
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// std::string Mode = lagi_wxString(OPT_GET("Provider/Audio/FFmpegSource/Decode Error Handling")->GetString());
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std::string mode = "ignore";
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if (mode == "ignore")
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return FFMS_IEH_IGNORE;
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else if (mode == "clear")
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return FFMS_IEH_CLEAR_TRACK;
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else if (mode == "stop")
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return FFMS_IEH_STOP_TRACK;
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else if (mode == "abort")
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return FFMS_IEH_ABORT;
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else
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return FFMS_IEH_STOP_TRACK; // questionable default?
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}
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#include <inttypes.h>
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/// @brief Generates an unique name for the ffms2 index file and prepares the cache folder if it doesn't exist
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/// @param filename The name of the source file
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/// @return Returns the generated filename.
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std::string FFmpegSourceProvider::GetCacheFilename(const std::string& _filename)
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{
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/*
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// Get the size of the file to be hashed
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wxFileOffset len = 0;
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{
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wxFile file(_filename,wxFile::read);
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if (file.IsOpened()) len = file.Length();
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}
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wxFileName filename(_filename);
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// Generate string to be hashed
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// std::string toHash = wxString::Format("%s %" PRId64 " %" PRId64, filename.GetFullName(), len, (int64_t)filename.GetModificationTime().GetTicks());
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std::string toHash = "XXX";
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// Get the MD5 digest of the string
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const wchar_t *tmp = toHash.wc_str();
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md5_state_t state;
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md5_byte_t digest[16];
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md5_init(&state);
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md5_append(&state,(md5_byte_t*)tmp,toHash.Length()*sizeof(wchar_t));
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md5_finish(&state,digest);
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// Generate the filename
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unsigned int *md5 = (unsigned int*) digest;
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wxString result = wxString::Format("?user/ffms2cache/%08X%08X%08X%08X.ffindex",md5[0],md5[1],md5[2],md5[3]);
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result = StandardPaths::DecodePath(result);
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// Ensure that folder exists
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wxFileName fn(result);
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wxString dir = fn.GetPath();
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if (!wxFileName::DirExists(dir)) {
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wxFileName::Mkdir(dir);
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}
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wxFileName dirfn(dir);
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return dirfn.GetShortPath() + "/" + fn.GetFullName();
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*/
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return "XXX";
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}
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/*
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/// @brief Starts the cache cleaner thread
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/// @return True on success, false if the thread could not be started.
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bool FFmpegSourceProvider::CleanCache() {
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LOG_D("provider/ffmpegsource/cache") << "attempting to start thread";
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FFmpegSourceCacheCleaner *CleaningThread = new FFmpegSourceCacheCleaner(this);
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if (CleaningThread->Create() != wxTHREAD_NO_ERROR) {
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LOG_D("provider/ffmpegsource/cache") << "thread creation failed";
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delete CleaningThread;
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CleaningThread = NULL;
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return false;
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}
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if (CleaningThread->Run() != wxTHREAD_NO_ERROR) {
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LOG_D("provider/ffmpegsource/cache") << "failed to start thread";
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delete CleaningThread;
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CleaningThread = NULL;
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return false;
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}
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LOG_D("provider/ffmpegsource/cache") << "thread started successfully";
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return true;
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}
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/// @brief constructor
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/// @param par the parent provider
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FFmpegSourceCacheCleaner::FFmpegSourceCacheCleaner(FFmpegSourceProvider *par) : wxThread(wxTHREAD_DETACHED) {
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parent = par;
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}
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/// @brief Cleans the ffms2 index cache folder
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/// @return Returns non-0 on error, 0 otherwise.
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wxThread::ExitCode FFmpegSourceCacheCleaner::Entry() {
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wxMutexLocker lock(FFmpegSourceProvider::CleaningInProgress);
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if (!lock.IsOk()) {
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LOG_D("provider/ffmpegsource/cache") << "cleaning already in progress, thread exiting";
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return (wxThread::ExitCode)1;
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}
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wxString cachedirname = StandardPaths::DecodePath(_T("?user/ffms2cache/"));
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wxDir cachedir;
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if (!cachedir.Open(cachedirname)) {
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LOG_D("provider/ffmpegsource/cache") << "couldn't open cache directory " << cachedirname.c_str();
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return (wxThread::ExitCode)1;
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}
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// sleep for a bit so we (hopefully) don't thrash the disk too much while indexing is in progress
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wxThread::This()->Sleep(2000);
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// the option is in megabytes, we need bytes
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// shift left by 20 is CLEARLY more efficient than multiplying by 1048576
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int64_t maxsize = OPT_GET("Provider/FFmpegSource/Cache/Size")->GetInt() << 20;
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int64_t cursize = wxDir::GetTotalSize(cachedirname).GetValue();
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int maxfiles = OPT_GET("Provider/FFmpegSource/Cache/Files")->GetInt();
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if (!cachedir.HasFiles(_T("*.ffindex"))) {
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LOG_D("provider/ffmpegsource/cache") << "no index files in cache folder, exiting";
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return (wxThread::ExitCode)0;
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}
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int deleted = 0;
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int numfiles = 0;
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std::multimap<int64_t,wxFileName> cachefiles;
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wxString curfn_str;
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wxFileName curfn;
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wxDateTime curatime;
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// unusually paranoid sanity check
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// (someone might have deleted the file(s) after we did HasFiles() above; does wxDir.Open() lock the dir?)
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if (!cachedir.GetFirst(&curfn_str, _T("*.ffindex"), wxDIR_FILES)) {
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LOG_D("provider/ffmpegsource/cache") << "undefined error";
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return (wxThread::ExitCode)1;
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}
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numfiles++;
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curfn = wxFileName(cachedirname, curfn_str);
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curfn.GetTimes(&curatime, NULL, NULL);
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// FIXME: will break when the time_t's wrap around!!1!
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cachefiles.insert(std::pair<int64_t,wxFileName>(curatime.GetTicks(),curfn));
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while (cachedir.GetNext(&curfn_str)) {
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curfn = wxFileName(cachedirname, curfn_str);
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curfn.GetTimes(&curatime, NULL, NULL);
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cachefiles.insert(std::pair<int64_t,wxFileName>(curatime.GetTicks(),curfn));
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numfiles++;
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wxThread::This()->Sleep(250);
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}
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if (numfiles <= maxfiles && cursize <= maxsize) {
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LOG_D("provider/ffmpegsource/cache") << "cache does not need cleaning (maxsize=" << (int)maxsize << ", cursize=" << (int)cursize << "; maxfiles=" << maxfiles << "numfiles=" << numfiles << ",exiting";
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return (wxThread::ExitCode)0;
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}
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for (std::multimap<int64_t,wxFileName>::iterator i = cachefiles.begin(); i != cachefiles.end(); i++) {
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// stop cleaning?
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if ((cursize <= maxsize && numfiles <= maxfiles) || numfiles <= 1)
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break;
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int64_t fsize = i->second.GetSize().GetValue();
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if (!wxRemoveFile(i->second.GetFullPath())) {
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LOG_D("provider/ffmpegsource/cache") << "failed to remove file " << i->second.GetFullPath().c_str();
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continue;
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}
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cursize -= fsize;
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numfiles--;
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deleted++;
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wxThread::This()->Sleep(250);
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}
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LOG_D("provider/ffmpegsource/cache") << "deleted " << deleted << " files, exiting";
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return (wxThread::ExitCode)0;
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}
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*/
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#endif // WITH_FFMPEGSOURCE
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} // namespace ffms
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} // namespace agi
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114
aegisub/libaegisub/media/ffms_common.h
Normal file
114
aegisub/libaegisub/media/ffms_common.h
Normal file
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@ -0,0 +1,114 @@
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// Copyright (c) 2008-2009, Karl Blomster
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
|
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// modification, are permitted provided that the following conditions are met:
|
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//
|
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// * Redistributions of source code must retain the above copyright notice,
|
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// this list of conditions and the following disclaimer.
|
||||
// * Redistributions in binary form must reproduce the above copyright notice,
|
||||
// this list of conditions and the following disclaimer in the documentation
|
||||
// and/or other materials provided with the distribution.
|
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// * Neither the name of the Aegisub Group nor the names of its contributors
|
||||
// may be used to endorse or promote products derived from this software
|
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// without specific prior written permission.
|
||||
//
|
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
||||
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
// POSSIBILITY OF SUCH DAMAGE.
|
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//
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// Aegisub Project http://www.aegisub.org/
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//
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// $Id$
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/// @file ffmpegsource_common.h
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/// @see ffmpegsource_common.cpp
|
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/// @ingroup video_input audio_input ffms
|
||||
///
|
||||
|
||||
#ifdef WITH_FFMPEGSOURCE
|
||||
|
||||
#ifndef AGI_PRE
|
||||
#include <map>
|
||||
|
||||
//#include <wx/filename.h>
|
||||
//#include <wx/thread.h>
|
||||
#endif
|
||||
|
||||
#include "../../libffms/include/ffms.h"
|
||||
|
||||
namespace agi {
|
||||
namespace ffms {
|
||||
|
||||
//#include "dialog_progress.h"
|
||||
|
||||
/// Index all tracks
|
||||
#define FFMS_TRACKMASK_ALL -1
|
||||
/// Index no tracks
|
||||
#define FFMS_TRACKMASK_NONE 0
|
||||
|
||||
/// @class FFmpegSourceProvider
|
||||
/// @brief Base class for FFMS2 source providers; contains common functions etc
|
||||
class FFmpegSourceProvider {
|
||||
friend class FFmpegSourceCacheCleaner;
|
||||
public:
|
||||
/// Logging level constants from avutil/log.h
|
||||
enum FFMS_LogLevel {
|
||||
/// nothing printed
|
||||
FFMS_LOG_QUIET = -8,
|
||||
FFMS_LOG_PANIC = 0,
|
||||
FFMS_LOG_FATAL = 8,
|
||||
FFMS_LOG_ERROR = 16,
|
||||
FFMS_LOG_WARNING = 24,
|
||||
FFMS_LOG_INFO = 32,
|
||||
FFMS_LOG_VERBOSE = 40,
|
||||
FFMS_LOG_DEBUG = 48,
|
||||
};
|
||||
|
||||
/// Indexing progress report dialog
|
||||
struct IndexingProgressDialog {
|
||||
volatile bool IndexingCanceled;
|
||||
// DialogProgress *ProgressDialog;
|
||||
};
|
||||
|
||||
/// Mutex preventing two cache cleaner threads from running at the same time
|
||||
// static wxMutex CleaningInProgress;
|
||||
bool CleanCache();
|
||||
|
||||
static int FFMS_CC UpdateIndexingProgress(int64_t Current, int64_t Total, void *Private);
|
||||
|
||||
FFMS_Index *DoIndexing(FFMS_Indexer *Indexer, const std::string& Cachename, int Trackmask, FFMS_IndexErrorHandling IndexEH);
|
||||
std::map<int,std::string> GetTracksOfType(FFMS_Indexer *Indexer, FFMS_TrackType Type);
|
||||
int AskForTrackSelection(const std::map<int,std::string>& TrackList, FFMS_TrackType Type);
|
||||
std::string GetCacheFilename(const std::string& filename);
|
||||
void SetLogLevel();
|
||||
FFMS_IndexErrorHandling GetErrorHandlingMode();
|
||||
|
||||
virtual ~FFmpegSourceProvider() {}
|
||||
};
|
||||
|
||||
/// @class FFmpegSourceCacheCleaner
|
||||
/// @brief Implements index cache cleaning functionality for the FFMS2 providers
|
||||
class FFmpegSourceCacheCleaner {
|
||||
private:
|
||||
FFmpegSourceProvider *parent;
|
||||
|
||||
public:
|
||||
FFmpegSourceCacheCleaner(FFmpegSourceProvider *par);
|
||||
|
||||
~FFmpegSourceCacheCleaner() {};
|
||||
// wxThread::ExitCode Entry();
|
||||
};
|
||||
|
||||
#endif /* WITH_FFMPEGSOURCE */
|
||||
|
||||
} // namespace ffms
|
||||
} // namespace agi
|
||||
Loading…
Reference in a new issue