forked from mia/Aegisub
527 lines
18 KiB
C++
527 lines
18 KiB
C++
// Copyright (c) 2006, Fredrik Mellbin
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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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// -----------------------------------------------------------------------------
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//
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// AEGISUB
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//
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// Website: http://aegisub.cellosoft.com
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// Contact: mailto:zeratul@cellosoft.com
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//
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///////////
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// Headers
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#include <wx/wxprec.h>
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#ifdef __WINDOWS__
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#include <wx/filename.h>
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#include <wx/msw/registry.h>
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#include <wx/filename.h>
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#include "avisynth_wrap.h"
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#include "video_provider.h"
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#include "subtitles_provider.h"
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#include "video_context.h"
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#include "options.h"
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#include "main.h"
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#include "vfr.h"
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#include "ass_file.h"
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////////////
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// Provider
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class AvisynthVideoProvider: public VideoProvider, SubtitlesProvider, AviSynthWrapper {
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private:
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VideoInfo vi;
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AegiVideoFrame iframe;
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wxString rendererCallString;
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int num_frames;
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int last_fnum;
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double fps;
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wxArrayInt frameTime;
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PClip RGB32Video;
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PClip SubtitledVideo;
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PClip OpenVideo(wxString _filename, bool mpeg2dec3_priority = true);
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PClip ApplySubtitles(wxString _filename, PClip videosource);
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void LoadVSFilter();
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void LoadASA();
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void LoadRenderer();
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public:
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AvisynthVideoProvider(wxString _filename, double fps=0.0);
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~AvisynthVideoProvider();
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SubtitlesProvider *GetAsSubtitlesProvider();
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void LoadSubtitles(AssFile *subs);
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const AegiVideoFrame DoGetFrame(int n);
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void GetFloatFrame(float* Buffer, int n);
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// properties
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int GetPosition() { return last_fnum; };
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int GetFrameCount() { return num_frames? num_frames: vi.num_frames; };
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double GetFPS() { return (double)vi.fps_numerator/(double)vi.fps_denominator; };
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int GetWidth() { return vi.width; };
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int GetHeight() { return vi.height; };
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void OverrideFrameTimeList(wxArrayInt list);
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};
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///////////
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// Factory
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class AvisynthVideoProviderFactory : public VideoProviderFactory {
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public:
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VideoProvider *CreateProvider(wxString video,double fps=0.0) { return new AvisynthVideoProvider(video,fps); }
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AvisynthVideoProviderFactory() : VideoProviderFactory(_T("avisynth")) {}
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} registerAVS;
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///////////////
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// Constructor
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AvisynthVideoProvider::AvisynthVideoProvider(wxString _filename, double _fps) {
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AVSTRACE(wxString::Format(_T("AvisynthVideoProvider: Creating new AvisynthVideoProvider: \"%s\", \"%s\""), _filename, _subfilename));
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bool mpeg2dec3_priority = true;
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RGB32Video = NULL;
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SubtitledVideo = NULL;
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fps = _fps;
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num_frames = 0;
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last_fnum = -1;
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AVSTRACE(_T("AvisynthVideoProvider: Loading Subtitles Renderer"));
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LoadRenderer();
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AVSTRACE(_T("AvisynthVideoProvider: Subtitles Renderer loaded"));
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AVSTRACE(_T("AvisynthVideoProvider: Opening video"));
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RGB32Video = OpenVideo(_filename,mpeg2dec3_priority);
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AVSTRACE(_T("AvisynthVideoProvider: Video opened"));
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SubtitledVideo = RGB32Video;
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AVSTRACE(_T("AvisynthVideoProvider: Applied subtitles"));
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vi = SubtitledVideo->GetVideoInfo();
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AVSTRACE(_T("AvisynthVideoProvider: Got video info"));
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AVSTRACE(_T("AvisynthVideoProvider: Done creating AvisynthVideoProvider"));
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}
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//////////////
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// Destructor
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AvisynthVideoProvider::~AvisynthVideoProvider() {
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AVSTRACE(_T("AvisynthVideoProvider: Destroying AvisynthVideoProvider"));
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RGB32Video = NULL;
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SubtitledVideo = NULL;
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AVSTRACE(_T("AvisynthVideoProvider: Destroying frame"));
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iframe.Clear();
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AVSTRACE(_T("AvisynthVideoProvider: AvisynthVideoProvider destroyed"));
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}
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////////////////////////////////////// VIDEO PROVIDER //////////////////////////////////////
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/////////////////////////////////////////
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// Actually open the video into Avisynth
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PClip AvisynthVideoProvider::OpenVideo(wxString _filename, bool mpeg2dec3_priority) {
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AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Opening video"));
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wxMutexLocker lock(AviSynthMutex);
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AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Got AVS mutex"));
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AVSValue script;
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bool usedDirectshow = false;
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wxString extension = _filename.Right(4);
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extension.LowerCase();
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try {
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// Prepare filename
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//char *videoFilename = env->SaveString(_filename.mb_str(wxConvLocal));
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wxFileName fname(_filename);
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char *videoFilename = env->SaveString(fname.GetShortPath().mb_str(wxConvLocal));
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// Avisynth file, just import it
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if (extension == _T(".avs")) {
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AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Opening .avs file with Import"));
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script = env->Invoke("Import", videoFilename);
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AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Finished"));
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}
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// Open avi file with AviSource
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else if (extension == _T(".avi")) {
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AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Opening .avi file with AviSource"));
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try {
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const char *argnames[2] = { 0, "audio" };
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AVSValue args[2] = { videoFilename, false };
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script = env->Invoke("AviSource", AVSValue(args,2), argnames);
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AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Successfully opened .avi file without audio"));
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}
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// On Failure, fallback to DSS
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catch (AvisynthError &) {
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AVSTRACE(_T("Failed to open .avi file with AviSource, switching to DirectShowSource"));
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goto directshowOpen;
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}
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}
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// Open d2v with mpeg2dec3
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else if (extension == _T(".d2v") && env->FunctionExists("Mpeg2Dec3_Mpeg2Source") && mpeg2dec3_priority) {
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AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Opening .d2v file with Mpeg2Dec3_Mpeg2Source"));
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script = env->Invoke("Mpeg2Dec3_Mpeg2Source", videoFilename);
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//if avisynth is 2.5.7 beta 2 or newer old mpeg2decs will crash without this
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if (env->FunctionExists("SetPlanarLegacyAlignment")) {
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AVSValue args[2] = { script, true };
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script = env->Invoke("SetPlanarLegacyAlignment", AVSValue(args,2));
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}
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}
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// If that fails, try opening it with DGDecode
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else if (extension == _T(".d2v") && env->FunctionExists("DGDecode_Mpeg2Source")) {
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AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Opening .d2v file with DGDecode_Mpeg2Source"));
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script = env->Invoke("Mpeg2Source", videoFilename);
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//note that DGDecode will also have issues like if the version is too ancient but no sane person
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//would use that anyway
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}
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else if (extension == _T(".d2v") && env->FunctionExists("Mpeg2Source")) {
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AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Opening .d2v file with other Mpeg2Source"));
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script = env->Invoke("Mpeg2Source", videoFilename);
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//if avisynth is 2.5.7 beta 2 or newer old mpeg2decs will crash without this
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if (env->FunctionExists("SetPlanarLegacyAlignment"))
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script = env->Invoke("SetPlanarLegacyAlignment", script);
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}
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// Some other format, such as mkv, mp4, ogm... try DirectShowSource
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else {
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directshowOpen:
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AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Opening file with DirectShowSource"));
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// Try loading DirectShowSource2
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bool dss2 = false;
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if (env->FunctionExists("dss2")) dss2 = true;
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if (!dss2) {
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wxFileName dss2path(AegisubApp::folderName + _T("avss.dll"));
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if (dss2path.FileExists()) {
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AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Loading DirectShowSource2"));
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env->Invoke("LoadPlugin",env->SaveString(dss2path.GetFullPath().mb_str(wxConvLocal)));
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AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Loaded DirectShowSource2"));
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}
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}
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// If DSS2 loaded properly, try using it
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dss2 = false;
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if (env->FunctionExists("dss2")) {
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AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Invoking DSS2"));
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if (fps == 0.0) script = env->Invoke("DSS2", videoFilename);
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else {
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const char *argnames[2] = { 0, "fps" };
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AVSValue args[2] = { videoFilename, fps };
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script = env->Invoke("DSS2", AVSValue(args,2), argnames);
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}
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AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Successfully opened file with DSS2"));
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dss2 = true;
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}
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// Try DirectShowSource
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if (!dss2) {
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if (env->FunctionExists("DirectShowSource")) {
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if (fps == 0.0) {
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const char *argnames[3] = { 0, "video", "audio" };
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AVSValue args[3] = { videoFilename, true, false };
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script = env->Invoke("DirectShowSource", AVSValue(args,3), argnames);
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}
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else {
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const char *argnames[4] = { 0, "video", "audio" , "fps" };
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AVSValue args[4] = { videoFilename, true, false , fps };
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script = env->Invoke("DirectShowSource", AVSValue(args,4), argnames);
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}
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AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Successfully opened file with DSS without audio"));
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usedDirectshow = true;
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}
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// Failed to find a suitable function
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else {
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AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: DSS function not found"));
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throw AvisynthError("No function suitable for opening the video found");
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}
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}
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}
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}
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// Catch errors
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catch (AvisynthError &err) {
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AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Avisynth error: ") + wxString(err.msg,wxConvLocal));
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throw _T("AviSynth error: ") + wxString(err.msg,wxConvLocal);
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}
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// Check if video was loaded properly
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if (!script.AsClip()->GetVideoInfo().HasVideo()) {
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AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: No suitable video found"));
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throw _T("No usable video found in ") + _filename;
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}
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// Convert to RGB32
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script = env->Invoke("ConvertToRGB32", script);
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AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Converted to RGB32"));
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// Directshow
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//if (usedDirectshow) wxMessageBox(_T("Warning! The file is being opened using Avisynth's DirectShowSource, which has unreliable seeking. Frame numbers might not match the real number. PROCEED AT YOUR OWN RISK!"),_T("DirectShowSource warning"),wxICON_EXCLAMATION);
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// Cache
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AVSTRACE(_T("AvisynthVideoProvider::OpenVideo: Finished opening video, AVS mutex will be released now"));
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return (env->Invoke("Cache", script)).AsClip();
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}
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////////////////////////
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// Actually get a frame
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const AegiVideoFrame AvisynthVideoProvider::DoGetFrame(int _n) {
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// Transform n if overriden
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int n = _n;
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if (frameTime.Count()) {
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if (n < 0) n = 0;
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if (n >= (signed) frameTime.Count()) n = frameTime.Count()-1;
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int time = frameTime[n];
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double curFps = (double)vi.fps_numerator/(double)vi.fps_denominator;
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n = time * curFps / 1000.0;
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}
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// Get avs frame
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AVSTRACE(_T("AvisynthVideoProvider::GetFrame"));
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wxMutexLocker lock(AviSynthMutex);
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PVideoFrame frame = SubtitledVideo->GetFrame(n,env);
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int Bpp = vi.BitsPerPixel() / 8;
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// Aegisub's video frame
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AegiVideoFrame &final = iframe;
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final.flipped = false;
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final.cppAlloc = true;
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// Format
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if (vi.IsRGB32()) {
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final.format = FORMAT_RGB32;
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final.flipped = true;
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}
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else if (vi.IsRGB24()) {
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final.format = FORMAT_RGB24;
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final.flipped = true;
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}
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else if (vi.IsYV12()) final.format = FORMAT_YV12;
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else if (vi.IsYUY2()) final.format = FORMAT_YUY2;
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// Set size properties
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int uvpitch = 0;
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if (final.format == FORMAT_YV12) uvpitch = frame->GetPitch(PLANAR_U);
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final.pitch[0] = frame->GetPitch();
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final.pitch[1] = uvpitch;
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final.pitch[2] = uvpitch;
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final.w = frame->GetRowSize() / Bpp;
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final.h = frame->GetHeight();
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// Allocate
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final.Allocate();
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// Copy
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memcpy(final.data[0],frame->GetReadPtr(),final.pitch[0] * final.h);
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// Copy second and third planes for YV12
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if (final.format == FORMAT_YV12) {
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int uvh = frame->GetHeight(PLANAR_U);
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memcpy(final.data[1],frame->GetReadPtr(PLANAR_U),uvpitch * uvh);
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memcpy(final.data[2],frame->GetReadPtr(PLANAR_V),uvpitch * uvh);
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}
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// Set last number
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last_fnum = n;
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return final;
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}
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////////////////////////////////////////////////////////
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// Apply VSFilter subtitles, or whatever is appropriate
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PClip AvisynthVideoProvider::ApplySubtitles(wxString _filename, PClip videosource) {
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AVSTRACE(_T("AvisynthVideoProvider::ApplySutitles: Applying subtitles"));
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wxMutexLocker lock(AviSynthMutex);
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AVSTRACE(_T("AvisynthVideoProvider::ApplySutitles: Got AVS mutex"));
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// Insert subs
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AVSValue script;
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char temp[512];
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wxFileName fname(_filename);
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strcpy(temp,fname.GetShortPath().mb_str(wxConvLocal));
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AVSValue args[2] = { videosource, temp };
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try {
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AVSTRACE(_T("AvisynthVideoProvider::ApplySutitles: Now invoking ") + rendererCallString);
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script = env->Invoke(rendererCallString.mb_str(wxConvUTF8), AVSValue(args,2));
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AVSTRACE(_T("AvisynthVideoProvider::ApplySutitles: Invoked successfully"));
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}
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catch (AvisynthError &err) {
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AVSTRACE(_T("AvisynthVideoProvider::ApplySutitles: Avisynth error: ") + wxString(err.msg,wxConvLocal));
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throw _T("AviSynth error: ") + wxString(err.msg,wxConvLocal);
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}
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// Cache
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AVSTRACE(_T("AvisynthVideoProvider::ApplySutitles: Subtitles applied, AVS mutex will be released now"));
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return (env->Invoke("Cache", script)).AsClip();
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}
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////////////////////////////////////// SUBTITLES PROVIDER //////////////////////////////////////
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/////////////////////////////
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// Get as subtitles provider
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SubtitlesProvider *AvisynthVideoProvider::GetAsSubtitlesProvider() {
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return this;
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}
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/////////////////////
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// Refresh subtitles
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void AvisynthVideoProvider::LoadSubtitles(AssFile *subs) {
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// Reset
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AVSTRACE(_T("AvisynthVideoProvider::RefreshSubtitles: Refreshing subtitles"));
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SubtitledVideo = NULL;
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// Dump subs to disk
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wxString subfilename = VideoContext::Get()->GetTempWorkFile();
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subs->Save(subfilename,false,false,_T("UTF-8"));
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delete subs;
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// Load subtitles
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SubtitledVideo = ApplySubtitles(subfilename, RGB32Video);
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AVSTRACE(_T("AvisynthVideoProvider::RefreshSubtitles: Subtitles refreshed"));
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vi = SubtitledVideo->GetVideoInfo();
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AVSTRACE(_T("AvisynthVideoProvider: Got video info"));
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}
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/////////////////////////////
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// Load appropriate renderer
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void AvisynthVideoProvider::LoadRenderer() {
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// Get prefferred
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wxString prefferred = Options.AsText(_T("Avisynth subs renderer"));
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// Load
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if (prefferred.Lower() == _T("asa")) LoadASA();
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else LoadVSFilter();
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}
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/////////////////
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// Load VSFilter
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void AvisynthVideoProvider::LoadVSFilter() {
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AVSTRACE(_T("AvisynthVideoProvider::LoadVSFilter: Loading VSFilter"));
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// Loading an avisynth plugin multiple times does almost nothing
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wxFileName vsfilterPath(AegisubApp::folderName + _T("vsfilter.dll"));
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rendererCallString = _T("TextSub");
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if (vsfilterPath.FileExists()) {
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AVSTRACE(_T("AvisynthVideoProvider::LoadVSFilter: Invoking LoadPlugin"));
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env->Invoke("LoadPlugin",env->SaveString(vsfilterPath.GetFullPath().mb_str(wxConvLocal)));
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AVSTRACE(_T("AvisynthVideoProvider::LoadVSFilter: Loaded"));
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}
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else {
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AVSTRACE(_T("AvisynthVideoProvider::LoadVSFilter: VSFilter.dll not found in Aegisub dir, trying to locate registered DShow filter"));
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wxRegKey reg(_T("HKEY_CLASSES_ROOT\\CLSID\\{9852A670-F845-491B-9BE6-EBD841B8A613}\\InprocServer32"));
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if (reg.Exists()) {
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wxString fn;
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reg.QueryValue(_T(""),fn);
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vsfilterPath = fn;
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if (vsfilterPath.FileExists()) {
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AVSTRACE(_T("AvisynthVideoProvider::LoadVSFilter: Found as DShow filter, loading"));
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env->Invoke("LoadPlugin",env->SaveString(vsfilterPath.GetFullPath().mb_str(wxConvLocal)));
|
|
AVSTRACE(_T("AvisynthVideoProvider::LoadVSFilter: Loaded"));
|
|
return;
|
|
}
|
|
|
|
vsfilterPath = _T("vsfilter.dll");
|
|
}
|
|
else if (vsfilterPath.FileExists()) {
|
|
AVSTRACE(_T("AvisynthVideoProvider::LoadVSFilter: Found on system path, loading"));
|
|
env->Invoke("LoadPlugin",env->SaveString(vsfilterPath.GetFullPath().mb_str(wxConvLocal)));
|
|
AVSTRACE(_T("AvisynthVideoProvider::LoadVSFilter: Loaded"));
|
|
}
|
|
else if (!env->FunctionExists("TextSub")) {
|
|
AVSTRACE(_T("AvisynthVideoProvider::LoadVSFilter: Couldn't locate VSFilter"));
|
|
throw _T("Couldn't locate VSFilter");
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
////////////
|
|
// Load asa
|
|
void AvisynthVideoProvider::LoadASA() {
|
|
AVSTRACE(_T("AvisynthVideoProvider::LoadASA: Loading asa"));
|
|
// Loading an avisynth plugin multiple times does almost nothing
|
|
|
|
wxFileName asaPath(AegisubApp::folderName + _T("asa.dll"));
|
|
rendererCallString = _T("asa");
|
|
|
|
if (asaPath.FileExists()) {
|
|
AVSTRACE(_T("AvisynthVideoProvider::LoadASA: Invoking LoadPlugin"));
|
|
env->Invoke("LoadPlugin",env->SaveString(asaPath.GetFullPath().mb_str(wxConvLocal)));
|
|
AVSTRACE(_T("AvisynthVideoProvider::LoadASA: Loaded"));
|
|
}
|
|
else {
|
|
asaPath = _T("asa.dll");
|
|
if (asaPath.FileExists()) {
|
|
AVSTRACE(_T("AvisynthVideoProvider::LoadASA: Invoking LoadPlugin"));
|
|
env->Invoke("LoadPlugin",env->SaveString(asaPath.GetFullPath().mb_str(wxConvLocal)));
|
|
AVSTRACE(_T("AvisynthVideoProvider::LoadASA: Loaded"));
|
|
}
|
|
else if (!env->FunctionExists("asa")) {
|
|
AVSTRACE(_T("AvisynthVideoProvider::LoadASA: Couldn't locate asa"));
|
|
throw _T("Couldn't locate asa");
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
////////////////////////
|
|
// Override frame times
|
|
void AvisynthVideoProvider::OverrideFrameTimeList(wxArrayInt list) {
|
|
frameTime = list;
|
|
num_frames = frameTime.Count();
|
|
}
|
|
|
|
|
|
#endif
|