4f4f4cc91f
Originally committed to SVN as r1956.
965 lines
24 KiB
C++
965 lines
24 KiB
C++
// Copyright (c) 2005-2007, Rodrigo Braz Monteiro
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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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// Includes
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#ifdef __APPLE__
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#include <OpenGL/GL.h>
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#include <OpenGL/glu.h>
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#else
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#include <GL/gl.h>
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#include <GL/glu.h>
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#endif
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#include <wx/image.h>
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#include <string.h>
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#include <wx/clipbrd.h>
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#include <wx/filename.h>
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#include <wx/config.h>
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#include "utils.h"
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#include "video_display.h"
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#include "video_context.h"
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#include "video_provider_manager.h"
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#include "visual_tool.h"
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#include "subtitles_provider_manager.h"
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#include "vfr.h"
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#include "ass_file.h"
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#include "ass_exporter.h"
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#include "ass_time.h"
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#include "ass_dialogue.h"
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#include "ass_style.h"
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#include "subs_grid.h"
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#include "vfw_wrap.h"
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#if !defined(__WINDOWS__) && !defined(__APPLE__)
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#ifdef WITH_FFMPEG
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#include "lavc_keyframes.h"
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#endif
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#endif
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#include "mkv_wrap.h"
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#include "options.h"
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#include "subs_edit_box.h"
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#include "audio_display.h"
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#include "video_slider.h"
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#include "video_box.h"
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#include "utils.h"
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#include "gl_wrap.h"
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#include "standard_paths.h"
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///////
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// IDs
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enum {
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VIDEO_PLAY_TIMER = 1300
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};
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///////////////
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// Event table
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BEGIN_EVENT_TABLE(VideoContext, wxEvtHandler)
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EVT_TIMER(VIDEO_PLAY_TIMER,VideoContext::OnPlayTimer)
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END_EVENT_TABLE()
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////////////
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// Instance
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VideoContext *VideoContext::instance = NULL;
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///////////////
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// Constructor
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VideoContext::VideoContext() {
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// Set GL context
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glContext = NULL;
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lastTex = 0;
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lastFrame = -1;
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yv12shader = 0;
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// Set options
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audio = NULL;
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provider = NULL;
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subsProvider = NULL;
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curLine = NULL;
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loaded = false;
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keyFramesLoaded = false;
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overKeyFramesLoaded = false;
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frame_n = 0;
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arType = 0;
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arValue = 1.0;
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isPlaying = false;
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nextFrame = -1;
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keepAudioSync = true;
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// Threads
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//threaded = Options.AsBool(_T("Threaded Video"));
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threaded = false;
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threadLocked = false;
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threadNextFrame = -1;
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}
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//////////////
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// Destructor
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VideoContext::~VideoContext () {
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Reset();
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delete glContext;
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glContext = NULL;
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}
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////////////////
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// Get Instance
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VideoContext *VideoContext::Get() {
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if (!instance) {
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instance = new VideoContext;
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}
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return instance;
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}
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/////////
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// Clear
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void VideoContext::Clear() {
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instance->audio = NULL;
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delete instance;
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instance = NULL;
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}
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/////////
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// Reset
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void VideoContext::Reset() {
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// Reset ?video path
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StandardPaths::SetPathValue(_T("?video"),_T(""));
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// Reset shader
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if (yv12shader) {
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OpenGLWrapper::DestroyShaderProgram(yv12shader);
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yv12shader = 0;
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}
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// Clear keyframes
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KeyFrames.Clear();
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keyFramesLoaded = false;
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// Remove temporary audio provider
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if (audio && audio->temporary) {
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delete audio->provider;
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audio->provider = NULL;
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delete audio->player;
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audio->player = NULL;
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audio->temporary = false;
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}
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// Remove video data
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loaded = false;
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frame_n = 0;
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keyFramesLoaded = false;
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overKeyFramesLoaded = false;
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isPlaying = false;
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nextFrame = -1;
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curLine = NULL;
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// Update displays
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UpdateDisplays(true);
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// Remove textures
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UnloadTexture();
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// Clean up video data
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wxRemoveFile(tempfile);
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tempfile = _T("");
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videoName = _T("");
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tempFrame.Clear();
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// Remove provider
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if (provider) {
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if (subsProvider && !subsProvider->LockedToVideo()) delete subsProvider;
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delete provider;
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provider = NULL;
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}
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else delete subsProvider;
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subsProvider = NULL;
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}
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////////////////
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// Reload video
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void VideoContext::Reload() {
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if (IsLoaded()) {
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wxString name = videoName;
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int n = frame_n;
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SetVideo(_T(""));
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SetVideo(name);
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JumpToFrame(n);
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}
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}
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//////////////////
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// Unload texture
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void VideoContext::UnloadTexture() {
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// Remove textures
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if (lastTex != 0) {
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glDeleteTextures(1,&lastTex);
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lastTex = 0;
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}
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lastFrame = -1;
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}
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///////////////////////
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// Sets video filename
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void VideoContext::SetVideo(const wxString &filename) {
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// Unload video
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Reset();
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threaded = Options.AsBool(_T("Threaded Video"));
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// Load video
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if (!filename.IsEmpty()) {
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try {
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grid->CommitChanges(true);
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bool isVfr = false;
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double overFps = 0;
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FrameRate temp;
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// Unload timecodes
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//int unload = wxYES;
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//if (VFR_Output.IsLoaded()) unload = wxMessageBox(_("Do you want to unload timecodes, too?"),_("Unload timecodes?"),wxYES_NO | wxICON_QUESTION);
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//if (unload == wxYES) VFR_Output.Unload();
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// Read extra data from file
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bool mkvOpen = MatroskaWrapper::wrapper.IsOpen();
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wxString ext = filename.Right(4).Lower();
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KeyFrames.Clear();
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if (ext == _T(".mkv") || mkvOpen) {
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// Parse mkv
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if (!mkvOpen) MatroskaWrapper::wrapper.Open(filename);
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// Get keyframes
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KeyFrames = MatroskaWrapper::wrapper.GetKeyFrames();
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keyFramesLoaded = true;
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// Ask to override timecodes
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int override = wxYES;
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if (VFR_Output.IsLoaded()) override = wxMessageBox(_("You already have timecodes loaded. Replace them with the timecodes from the Matroska file?"),_("Replace timecodes?"),wxYES_NO | wxICON_QUESTION);
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if (override == wxYES) {
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MatroskaWrapper::wrapper.SetToTimecodes(temp);
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isVfr = temp.GetFrameRateType() == VFR;
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if (isVfr) {
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overFps = temp.GetCommonFPS();
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MatroskaWrapper::wrapper.SetToTimecodes(VFR_Input);
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MatroskaWrapper::wrapper.SetToTimecodes(VFR_Output);
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}
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}
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// Close mkv
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MatroskaWrapper::wrapper.Close();
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}
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else if (ext == _T(".avi")) {
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keyFramesLoaded = false;
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KeyFrames.Clear();
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#ifdef __WINDOWS__
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KeyFrames = VFWWrapper::GetKeyFrames(filename);
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keyFramesLoaded = true;
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#else
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#ifdef WITH_FFMPEG
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LAVCKeyFrames k(filename);
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KeyFrames = k.GetKeyFrames();
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keyFramesLoaded = true;
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#endif
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#endif
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}
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// Check if the file is all keyframes
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bool isAllKeyFrames = true;
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for (unsigned int i=1; i<KeyFrames.GetCount(); i++) {
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// Is the last keyframe not this keyframe -1?
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if (KeyFrames[i-1] != (i-1)) {
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// It's not all keyframes, go ahead
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isAllKeyFrames = false;
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break;
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}
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}
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// If it is all keyframes, discard the keyframe info as it is useless
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if (isAllKeyFrames) {
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KeyFrames.Clear();
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keyFramesLoaded = false;
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}
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// Set GL context
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#ifdef __WXMAC__
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GetGLContext(displayList.front())->SetCurrent();
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#else
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GetGLContext(displayList.front())->SetCurrent(*displayList.front());
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#endif
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// Choose a provider
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provider = VideoProviderFactoryManager::GetProvider(filename,overFps);
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loaded = provider != NULL;
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// Get subtitles provider
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try {
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subsProvider = provider->GetAsSubtitlesProvider();
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if (!subsProvider) subsProvider = SubtitlesProviderFactoryManager::GetProvider();
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}
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catch (wxString err) { wxMessageBox(_T("Error while loading subtitles provider: ") + err,_T("Subtitles provider")); }
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catch (const wchar_t *err) { wxMessageBox(_T("Error while loading subtitles provider: ") + wxString(err),_T("Subtitles provider")); }
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// Set frame rate
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fps = provider->GetFPS();
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if (!isVfr || provider->IsNativelyByFrames()) {
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VFR_Input.SetCFR(fps);
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if (VFR_Output.GetFrameRateType() != VFR) VFR_Output.SetCFR(fps);
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}
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else provider->OverrideFrameTimeList(temp.GetFrameTimeList());
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// Gather video parameters
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length = provider->GetFrameCount();
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w = provider->GetWidth();
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h = provider->GetHeight();
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// Set filename
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videoName = filename;
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Options.AddToRecentList(filename,_T("Recent vid"));
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wxFileName fn(filename);
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StandardPaths::SetPathValue(_T("?video"),fn.GetPath());
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// Get frame
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frame_n = 0;
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//UpdateDisplays(true);
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Refresh(true,true);
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// Show warning
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wxString warning = provider->GetWarning();
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if (!warning.IsEmpty()) wxMessageBox(warning,_T("Warning"),wxICON_WARNING | wxOK);
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}
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catch (wxString &e) {
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wxMessageBox(e,_T("Error setting video"),wxICON_ERROR | wxOK);
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}
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}
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loaded = provider != NULL;
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}
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///////////////////
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// Add new display
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void VideoContext::AddDisplay(VideoDisplay *display) {
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for (std::list<VideoDisplay*>::iterator cur=displayList.begin();cur!=displayList.end();cur++) {
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if ((*cur) == display) return;
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}
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displayList.push_back(display);
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}
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//////////////////
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// Remove display
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void VideoContext::RemoveDisplay(VideoDisplay *display) {
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displayList.remove(display);
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}
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///////////////////
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// Update displays
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void VideoContext::UpdateDisplays(bool full) {
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for (std::list<VideoDisplay*>::iterator cur=displayList.begin();cur!=displayList.end();cur++) {
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// Get display
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VideoDisplay *display = *cur;
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// Update slider
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if (full) {
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display->UpdateSize();
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display->ControlSlider->SetRange(0,GetLength()-1);
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}
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display->ControlSlider->SetValue(GetFrameN());
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//display->ControlSlider->Update();
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display->UpdatePositionDisplay();
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// If not shown, don't update the display itself
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if (!display->IsShownOnScreen()) continue;
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// Update visual controls
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if (display->visual) display->visual->Refresh();
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// Update controls
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//display->Refresh();
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//display->Update();
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display->Render();
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}
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// Update audio display
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if (audio && audio->loaded && audio->IsShownOnScreen()) {
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if (Options.AsBool(_T("Audio Draw Video Position"))) {
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audio->UpdateImage(false);
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}
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}
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}
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/////////////////////
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// Refresh subtitles
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void VideoContext::Refresh (bool video, bool subtitles) {
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// Reset frame
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lastFrame = -1;
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// Update subtitles
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if (subtitles && subsProvider) {
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// Re-export
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AssExporter exporter(grid->ass);
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exporter.AddAutoFilters();
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subsProvider->LoadSubtitles(exporter.ExportTransform());
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}
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// Jump to frame
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JumpToFrame(frame_n);
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}
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///////////////////////////////////////
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// Jumps to a frame and update display
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void VideoContext::JumpToFrame(int n) {
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// Loaded?
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if (!loaded) return;
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// Prevent intervention during playback
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if (isPlaying && n != playNextFrame) return;
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// Threaded
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if (threaded && false) { // Doesn't work, so it's disabled
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wxMutexLocker lock(vidMutex);
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threadNextFrame = n;
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if (!threadLocked) {
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threadLocked = true;
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thread = new VideoContextThread(this);
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thread->Create();
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thread->Run();
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}
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}
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// Not threaded
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else {
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// Set frame number
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frame_n = n;
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GetFrameAsTexture(n);
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// Display
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UpdateDisplays(false);
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// Update grid
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if (!isPlaying && Options.AsBool(_T("Highlight subs in frame"))) grid->Refresh(false);
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}
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}
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////////////////////////////
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// Jumps to a specific time
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void VideoContext::JumpToTime(int ms,bool exact) {
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int frame;
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if (exact) frame = VFR_Output.PFrameAtTime(ms);
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else frame = VFR_Output.GetFrameAtTime(ms);
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JumpToFrame(frame);
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}
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//////////////////
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// Get GL context
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wxGLContext *VideoContext::GetGLContext(wxGLCanvas *canvas) {
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#ifdef __WXMAC__
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// This is probably wrong...
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if (!glContext) glContext = new wxGLContext(0, canvas, wxPalette(), 0);
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#else
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if (!glContext) glContext = new wxGLContext(canvas);
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#endif
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return glContext;
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/*
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if (!((VideoDisplay*)canvas)->freeSize) return glContext;
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else {
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static wxGLContext *test = NULL;
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if (test = NULL) test = new wxGLContext(canvas,glContext);
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return test;
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}*/
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}
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////////////////////////
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// Requests a new frame
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AegiVideoFrame VideoContext::GetFrame(int n,bool raw) {
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// Current frame if -1
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if (n == -1) n = frame_n;
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// Get available formats
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int formats = FORMAT_RGB32;
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if (yv12shader != 0 || OpenGLWrapper::UseShaders()) formats |= FORMAT_YV12;
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// Get frame
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AegiVideoFrame frame = provider->GetFrame(n,formats);
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// Raster subtitles if available/necessary
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if (!raw && subsProvider && subsProvider->CanRaster()) {
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tempFrame.CopyFrom(frame);
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subsProvider->DrawSubtitles(tempFrame,VFR_Input.GetTimeAtFrame(n,true,true)/1000.0);
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return tempFrame;
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}
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// Return pure frame
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else return frame;
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}
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///////////////////////////
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// Get GL Texture of frame
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GLuint VideoContext::GetFrameAsTexture(int n) {
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// Already uploaded
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if (n == lastFrame || n == -1) return lastTex;
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// Get frame
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AegiVideoFrame frame = GetFrame(n);
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// Set frame
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lastFrame = n;
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// Set context
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#ifdef __APPLE__
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GetGLContext(displayList.front())->SetCurrent();
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#else
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GetGLContext(displayList.front())->SetCurrent(*displayList.front());
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#endif
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glEnable(GL_TEXTURE_2D);
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if (glGetError() != 0) throw _T("Error enabling texture.");
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// Image type
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GLenum format = GL_LUMINANCE;
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if (frame.format == FORMAT_RGB32) {
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if (frame.invertChannels) format = GL_BGRA_EXT;
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else format = GL_RGBA;
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}
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else if (frame.format == FORMAT_RGB24) {
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if (frame.invertChannels) format = GL_BGR_EXT;
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else format = GL_RGB;
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}
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else if (frame.format == FORMAT_YV12) {
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format = GL_LUMINANCE;
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}
|
|
isInverted = frame.flipped;
|
|
|
|
if (lastTex == 0) {
|
|
// Enable
|
|
glShadeModel(GL_FLAT);
|
|
|
|
// Generate texture with GL
|
|
//glActiveTexture(GL_TEXTURE0);
|
|
glGenTextures(1, &lastTex);
|
|
if (glGetError() != 0) throw _T("Error generating texture.");
|
|
glBindTexture(GL_TEXTURE_2D, lastTex);
|
|
if (glGetError() != 0) throw _T("Error binding texture.");
|
|
|
|
// Texture parameters
|
|
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
|
|
if (glGetError() != 0) throw _T("Error setting min_filter texture parameter.");
|
|
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
|
|
if (glGetError() != 0) throw _T("Error setting mag_filter texture parameter.");
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
|
|
if (glGetError() != 0) throw _T("Error setting wrap_s texture parameter.");
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
|
|
if (glGetError() != 0) throw _T("Error setting wrap_t texture parameter.");
|
|
|
|
// Allocate texture
|
|
int height = frame.h;
|
|
if (frame.format == FORMAT_YV12) height = height * 3 / 2;
|
|
int tw = SmallestPowerOf2(MAX(frame.pitch[0]/frame.GetBpp(0),frame.pitch[1]+frame.pitch[2]));
|
|
int th = SmallestPowerOf2(height);
|
|
glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA8,tw,th,0,format,GL_UNSIGNED_BYTE,NULL);
|
|
if (glGetError() != 0) {
|
|
tw = MAX(tw,th);
|
|
th = tw;
|
|
glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA8,tw,th,0,format,GL_UNSIGNED_BYTE,NULL);
|
|
if (glGetError() != 0) {
|
|
glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA,tw,th,0,format,GL_UNSIGNED_BYTE,NULL);
|
|
if (glGetError() != 0) throw _T("Error allocating texture.");
|
|
}
|
|
}
|
|
texW = float(frame.w)/float(tw);
|
|
texH = float(frame.h)/float(th);
|
|
|
|
// Set texture
|
|
//glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
|
|
//if (glGetError() != 0) throw _T("Error setting hinting.");
|
|
|
|
// Create shader
|
|
if (frame.format == FORMAT_YV12 && yv12shader == 0 && OpenGLWrapper::UseShaders()) {
|
|
yv12shader = OpenGLWrapper::CreateYV12Shader(texW,texH,float(frame.pitch[1])/float(tw));
|
|
}
|
|
|
|
// Set priority
|
|
float priority = 1.0f;
|
|
glPrioritizeTextures(1,&lastTex,&priority);
|
|
}
|
|
|
|
// Load texture data
|
|
glBindTexture(GL_TEXTURE_2D, lastTex);
|
|
glTexSubImage2D(GL_TEXTURE_2D,0,0,0,frame.pitch[0]/frame.GetBpp(0),frame.h,format,GL_UNSIGNED_BYTE,frame.data[0]);
|
|
if (glGetError() != 0) throw _T("Error uploading primary plane");
|
|
|
|
// UV planes for YV12
|
|
if (frame.format == FORMAT_YV12) {
|
|
int u = 1;
|
|
int v = 2;
|
|
if (frame.invertChannels) {
|
|
u = 2;
|
|
v = 1;
|
|
}
|
|
glTexSubImage2D(GL_TEXTURE_2D,0,0,frame.h,frame.pitch[1],frame.h/2,format,GL_UNSIGNED_BYTE,frame.data[u]);
|
|
if (glGetError() != 0) throw _T("Error uploading U plane.");
|
|
glTexSubImage2D(GL_TEXTURE_2D,0,frame.pitch[1],frame.h,frame.pitch[2],frame.h/2,format,GL_UNSIGNED_BYTE,frame.data[v]);
|
|
if (glGetError() != 0) throw _T("Error uploadinv V plane.");
|
|
}
|
|
|
|
// Return texture number
|
|
return lastTex;
|
|
}
|
|
|
|
|
|
/////////////////
|
|
// Save snapshot
|
|
void VideoContext::SaveSnapshot(bool raw) {
|
|
// Get folder
|
|
wxString option = Options.AsText(_("Video Screenshot Path"));
|
|
wxFileName videoFile(videoName);
|
|
wxString basepath;
|
|
// Is it a path specifier and not an actual fixed path?
|
|
if (option[0] == _T('?')) {
|
|
// If dummy video is loaded, we can't save to the video location
|
|
if (option.StartsWith(_T("?video")) && (videoName.Find(_T("?dummy")) != wxNOT_FOUND)) {
|
|
// So try the script location instead
|
|
option = _T("?script");
|
|
}
|
|
// Find out where the ?specifier points to
|
|
basepath = StandardPaths::DecodePath(option);
|
|
// If whereever that is isn't defined, we can't save there
|
|
if ((basepath == _T("\\")) || (basepath == _T("/"))) {
|
|
// So save to the current user's home dir instead
|
|
basepath = wxGetHomeDir();
|
|
}
|
|
}
|
|
// Actual fixed (possibly relative) path, decode it
|
|
else basepath = DecodeRelativePath(option,StandardPaths::DecodePath(_T("?user/")));
|
|
basepath += _T("/") + videoFile.GetName();
|
|
|
|
// Get full path
|
|
int session_shot_count = 1;
|
|
wxString path;
|
|
while (1) {
|
|
path = basepath + wxString::Format(_T("_%03i_%i.png"),session_shot_count,frame_n);
|
|
++session_shot_count;
|
|
wxFileName tryPath(path);
|
|
if (!tryPath.FileExists()) break;
|
|
}
|
|
|
|
// Save
|
|
GetFrame(frame_n,raw).GetImage().SaveFile(path,wxBITMAP_TYPE_PNG);
|
|
}
|
|
|
|
|
|
////////////////////////////
|
|
// Get dimensions of script
|
|
void VideoContext::GetScriptSize(int &sw,int &sh) {
|
|
grid->ass->GetResolution(sw,sh);
|
|
}
|
|
|
|
|
|
////////
|
|
// Play
|
|
void VideoContext::Play() {
|
|
// Stop if already playing
|
|
if (isPlaying) {
|
|
Stop();
|
|
return;
|
|
}
|
|
|
|
// Set variables
|
|
startFrame = frame_n;
|
|
endFrame = -1;
|
|
|
|
// Start playing audio
|
|
audio->Play(VFR_Output.GetTimeAtFrame(startFrame),-1);
|
|
|
|
//audio->Play will override this if we put it before, so put it after.
|
|
isPlaying = true;
|
|
|
|
// Start timer
|
|
playTime.Start();
|
|
playback.SetOwner(this,VIDEO_PLAY_TIMER);
|
|
playback.Start(10);
|
|
}
|
|
|
|
|
|
/////////////
|
|
// Play line
|
|
void VideoContext::PlayLine() {
|
|
// Get line
|
|
AssDialogue *curline = grid->GetDialogue(grid->editBox->linen);
|
|
if (!curline) return;
|
|
|
|
// Start playing audio
|
|
audio->Play(curline->Start.GetMS(),curline->End.GetMS());
|
|
|
|
// Set variables
|
|
isPlaying = true;
|
|
startFrame = VFR_Output.GetFrameAtTime(curline->Start.GetMS(),true);
|
|
endFrame = VFR_Output.GetFrameAtTime(curline->End.GetMS(),false);
|
|
|
|
// Jump to start
|
|
playNextFrame = startFrame;
|
|
JumpToFrame(startFrame);
|
|
|
|
// Set other variables
|
|
playTime.Start();
|
|
|
|
// Start timer
|
|
playback.SetOwner(this,VIDEO_PLAY_TIMER);
|
|
playback.Start(10);
|
|
}
|
|
|
|
|
|
////////
|
|
// Stop
|
|
void VideoContext::Stop() {
|
|
if (isPlaying) {
|
|
playback.Stop();
|
|
isPlaying = false;
|
|
audio->Stop();
|
|
}
|
|
}
|
|
|
|
|
|
//////////////
|
|
// Play timer
|
|
void VideoContext::OnPlayTimer(wxTimerEvent &event) {
|
|
// Lock
|
|
wxMutexError res = playMutex.TryLock();
|
|
if (res == wxMUTEX_BUSY) return;
|
|
playMutex.Unlock();
|
|
wxMutexLocker lock(playMutex);
|
|
|
|
// Get time difference
|
|
int dif = playTime.Time();
|
|
|
|
// Find next frame
|
|
int startMs = VFR_Output.GetTimeAtFrame(startFrame);
|
|
int nextFrame = frame_n;
|
|
int i=0;
|
|
for (i=0;i<10;i++) {
|
|
if (nextFrame >= length) break;
|
|
if (dif < VFR_Output.GetTimeAtFrame(nextFrame) - startMs) {
|
|
break;
|
|
}
|
|
nextFrame++;
|
|
}
|
|
|
|
// End
|
|
if (nextFrame >= length || (endFrame != -1 && nextFrame > endFrame)) {
|
|
Stop();
|
|
return;
|
|
}
|
|
|
|
// Same frame
|
|
if (nextFrame == frame_n) return;
|
|
|
|
// Next frame is before or over 2 frames ahead, so force audio resync
|
|
if (keepAudioSync && (nextFrame < frame_n || nextFrame > frame_n + 2)) audio->player->SetCurrentPosition(audio->GetSampleAtMS(VFR_Output.GetTimeAtFrame(nextFrame)));
|
|
|
|
// Jump to next frame
|
|
playNextFrame = nextFrame;
|
|
frame_n = nextFrame;
|
|
JumpToFrame(nextFrame);
|
|
|
|
// Sync audio
|
|
if (keepAudioSync && nextFrame % 10 == 0 && audio && audio->provider && audio->player) {
|
|
int64_t audPos = audio->GetSampleAtMS(VFR_Output.GetTimeAtFrame(nextFrame));
|
|
int64_t curPos = audio->player->GetCurrentPosition();
|
|
int delta = int(audPos-curPos);
|
|
if (delta < 0) delta = -delta;
|
|
int maxDelta = audio->provider->GetSampleRate();
|
|
if (delta > maxDelta) audio->player->SetCurrentPosition(audPos);
|
|
}
|
|
}
|
|
|
|
|
|
//////////////////////////////
|
|
// Get name of temp work file
|
|
wxString VideoContext::GetTempWorkFile () {
|
|
if (tempfile.IsEmpty()) {
|
|
tempfile = wxFileName::CreateTempFileName(_T("aegisub"));
|
|
wxRemoveFile(tempfile);
|
|
tempfile += _T(".ass");
|
|
}
|
|
return tempfile;
|
|
}
|
|
|
|
|
|
/////////////////
|
|
// Get keyframes
|
|
wxArrayInt VideoContext::GetKeyFrames() {
|
|
if (OverKeyFramesLoaded()) return overKeyFrames;
|
|
return KeyFrames;
|
|
}
|
|
|
|
|
|
/////////////////
|
|
// Set keyframes
|
|
void VideoContext::SetKeyFrames(wxArrayInt frames) {
|
|
KeyFrames = frames;
|
|
}
|
|
|
|
|
|
/////////////////////////
|
|
// Set keyframe override
|
|
void VideoContext::SetOverKeyFrames(wxArrayInt frames) {
|
|
overKeyFrames = frames;
|
|
overKeyFramesLoaded = true;
|
|
}
|
|
|
|
|
|
///////////////////
|
|
// Close keyframes
|
|
void VideoContext::CloseOverKeyFrames() {
|
|
overKeyFrames.Clear();
|
|
overKeyFramesLoaded = false;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////
|
|
// Check if override keyframes are loaded
|
|
bool VideoContext::OverKeyFramesLoaded() {
|
|
return overKeyFramesLoaded;
|
|
}
|
|
|
|
|
|
/////////////////////////////////
|
|
// Check if keyframes are loaded
|
|
bool VideoContext::KeyFramesLoaded() {
|
|
return overKeyFramesLoaded || keyFramesLoaded;
|
|
}
|
|
|
|
|
|
//////////////////////////
|
|
// Calculate aspect ratio
|
|
double VideoContext::GetARFromType(int type) {
|
|
if (type == 0) return (double)VideoContext::Get()->GetWidth()/(double)VideoContext::Get()->GetHeight();
|
|
if (type == 1) return 4.0/3.0;
|
|
if (type == 2) return 16.0/9.0;
|
|
if (type == 3) return 2.35;
|
|
return 1.0; //error
|
|
}
|
|
|
|
|
|
/////////////////////
|
|
// Sets aspect ratio
|
|
void VideoContext::SetAspectRatio(int _type, double value) {
|
|
// Get value
|
|
if (_type != 4) value = GetARFromType(_type);
|
|
if (value < 0.5) value = 0.5;
|
|
if (value > 5.0) value = 5.0;
|
|
|
|
// Set
|
|
arType = _type;
|
|
arValue = value;
|
|
UpdateDisplays(true);
|
|
}
|
|
|
|
|
|
////////////////////////////
|
|
// Enable or disable shader
|
|
void VideoContext::SetShader(bool enabled) {
|
|
OpenGLWrapper::SetShader(enabled ? yv12shader : 0);
|
|
}
|
|
|
|
|
|
////////////////////////////////////////////////
|
|
// Can draw subtitles independently from video?
|
|
bool VideoContext::HasIndependentSubs() {
|
|
return subsProvider && subsProvider->CanRaster();
|
|
}
|
|
|
|
|
|
//////////////////////
|
|
// Thread constructor
|
|
VideoContextThread::VideoContextThread(VideoContext *par)
|
|
: wxThread(wxTHREAD_DETACHED)
|
|
{
|
|
parent = par;
|
|
}
|
|
|
|
|
|
//////////////////////
|
|
// Thread entry point
|
|
wxThread::ExitCode VideoContextThread::Entry() {
|
|
// Set up thread
|
|
int frame = parent->threadNextFrame;
|
|
int curFrame = parent->frame_n;
|
|
bool highSubs = Options.AsBool(_T("Highlight subs in frame"));
|
|
|
|
// Loop while there is work to do
|
|
while (true) {
|
|
// Get frame and set frame number
|
|
{
|
|
wxMutexLocker glLock(OpenGLWrapper::glMutex);
|
|
parent->GetFrameAsTexture(frame);
|
|
parent->frame_n = frame;
|
|
}
|
|
|
|
// Display
|
|
parent->UpdateDisplays(false);
|
|
|
|
// Update grid
|
|
if (!parent->isPlaying && highSubs) parent->grid->Refresh(false);
|
|
|
|
// Get lock and check if there is more to do
|
|
wxMutexLocker lock(parent->vidMutex);
|
|
curFrame = parent->frame_n;
|
|
frame = parent->threadNextFrame;
|
|
|
|
// Work done, kill thread and release context
|
|
if (curFrame == frame) {
|
|
parent->threadLocked = false;
|
|
parent->threadNextFrame = -1;
|
|
Delete();
|
|
return 0;
|
|
}
|
|
}
|
|
}
|