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BgtaskSceneDetect.cpp
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#include <iomanip>
#include <limits>
#include <list>
#include <TimeUtils.h>
#include <MediaParser.h>
#include <VideoClip.h>
#include <FFUtils.h>
#include "BackgroundTask.h"
#include "MediaTimeline.h"
extern "C"
{
#include "libavutil/avutil.h"
#include "libavfilter/avfilter.h"
#include "libavfilter/buffersrc.h"
#include "libavfilter/buffersink.h"
}
namespace json = imgui_json;
using namespace std;
using namespace Logger;
namespace MEC
{
class BgtaskSceneDetect : public BackgroundTask
{
public:
BgtaskSceneDetect(const string& name) : m_name(name)
{
m_pLogger = GetLogger(name);
}
~BgtaskSceneDetect()
{
ReleaseFilterGraph();
}
bool Initialize(const json::value& jnTask, MediaCore::SharedSettings::Holder hSettings, RenderUtils::TextureManager::Holder hTxMgr)
{
string strAttrName;
// read 'task_dir'
strAttrName = "task_dir";
if (jnTask.contains(strAttrName) && jnTask[strAttrName].is_string())
{
m_strTaskDir = jnTask[strAttrName].get<json::string>();
if (!SysUtils::IsDirectory(m_strTaskDir))
{
ostringstream oss; oss << "INVALID task json attribute '" << strAttrName << "'! '" << m_strTaskDir << "' is NOT a DIRECTORY.";
m_errMsg = oss.str();
return false;
}
strAttrName = "task_hash";
if (!jnTask.contains(strAttrName) || !jnTask[strAttrName].is_number())
{
ostringstream oss; oss << "Task json must has a '" << strAttrName << "' attribute of 'string' type!";
m_errMsg = oss.str();
return false;
}
m_szHash = (size_t)jnTask[strAttrName].get<json::number>();
}
else
{
strAttrName = "project_dir";
if (!jnTask.contains(strAttrName) || !jnTask[strAttrName].is_string())
{
ostringstream oss; oss << "Task json must has a '" << strAttrName << "' attribute of 'string' type!";
m_errMsg = oss.str();
return false;
}
string strAttrValue = jnTask[strAttrName].get<json::string>();
if (!SysUtils::IsDirectory(strAttrValue))
{
ostringstream oss; oss << "INVALID task json attribute '" << strAttrName << "'! '" << strAttrValue << "' is NOT a DIRECTORY.";
m_errMsg = oss.str();
return false;
}
m_szHash = SysUtils::GetTickHash();
ostringstream oss; oss << m_name << "-" << setw(16) << setfill('0') << hex << m_szHash << dec;
const auto strWorkDirName = oss.str();
m_strTaskDir = SysUtils::JoinPath(strAttrValue, strWorkDirName);
if (!SysUtils::IsDirectory(m_strTaskDir))
SysUtils::CreateDirectoryAt(m_strTaskDir, true);
}
m_strTrfPath = SysUtils::JoinPath(m_strTaskDir, "transforms.trf");
// read 'source_url'
strAttrName = "source_url";
if (!jnTask.contains(strAttrName) || !jnTask[strAttrName].is_string())
{
ostringstream oss; oss << "Task json must has a '" << strAttrName << "' attribute of 'string' type!";
m_errMsg = oss.str();
return false;
}
m_strSrcUrl = jnTask[strAttrName].get<json::string>();
if (!SysUtils::IsFile(m_strSrcUrl))
{
ostringstream oss; oss << "INVALID task json attribute '" << strAttrName << "'! '" << m_strSrcUrl << "' is NOT a FILE.";
m_errMsg = oss.str();
return false;
}
// read 'is_image_seq'
strAttrName = "is_image_seq";
if (!jnTask.contains(strAttrName) || !jnTask[strAttrName].is_boolean())
{
ostringstream oss; oss << "Task json must has a '" << strAttrName << "' attribute of 'boolean' type!";
m_errMsg = oss.str();
return false;
}
m_bIsImageSeq = jnTask[strAttrName].get<json::boolean>();
// read 'media_item_id'
strAttrName = "media_item_id";
if (jnTask.contains(strAttrName) && jnTask[strAttrName].is_number())
m_i64MediaItemId = jnTask[strAttrName].get<json::number>();
else
m_i64MediaItemId = -1;
// check source url validity
if (m_bIsImageSeq && !SysUtils::IsDirectory(m_strSrcUrl))
{
ostringstream oss; oss << "INVALID task json attribute 'source_url'! '" << m_strSrcUrl << "' is NOT a DIRECTORY.";
m_errMsg = oss.str();
return false;
}
else if (!m_bIsImageSeq && !SysUtils::IsFile(m_strSrcUrl))
{
ostringstream oss; oss << "INVALID task json attribute 'source_url'! '" << m_strSrcUrl << "' is NOT a FILE.";
m_errMsg = oss.str();
return false;
}
// create MediaParser instance
MediaCore::MediaParser::Holder hParser;
if (m_bIsImageSeq)
{
// check source url validity
if (!SysUtils::IsDirectory(m_strSrcUrl))
{
ostringstream oss; oss << "INVALID task json attribute 'source_url'! '" << m_strSrcUrl << "' is NOT a DIRECTORY.";
m_errMsg = oss.str();
return false;
}
// read additional attributes for image-sequence
// read 'frame_rate'
MediaCore::Ratio tFrameRate;
strAttrName = "frame_rate_num";
if (!jnTask.contains(strAttrName) || !jnTask[strAttrName].is_number())
{
ostringstream oss; oss << "Task json must has a '" << strAttrName << "' attribute of 'number' type!";
m_errMsg = oss.str();
return false;
}
tFrameRate.num = jnTask[strAttrName].get<json::number>();
strAttrName = "frame_rate_den";
if (!jnTask.contains(strAttrName) || !jnTask[strAttrName].is_number())
{
ostringstream oss; oss << "Task json must has a '" << strAttrName << "' attribute of 'number' type!";
m_errMsg = oss.str();
return false;
}
tFrameRate.den = jnTask[strAttrName].get<json::number>();
if (tFrameRate.num <= 0 || tFrameRate.den <= 0)
{
ostringstream oss; oss << "INVALID task json attribute '" << strAttrName << "'! '" << tFrameRate.num << "/" << tFrameRate.den << "' is NOT a valid rational.";
m_errMsg = oss.str();
return false;
}
// read "file_filter_regex"
strAttrName = "file_filter_regex";
if (!jnTask.contains(strAttrName) || !jnTask[strAttrName].is_string())
{
ostringstream oss; oss << "Task json must has a '" << strAttrName << "' attribute of 'string' type!";
m_errMsg = oss.str();
return false;
}
const string strFileFilterRegex = jnTask[strAttrName].get<json::string>();
// read "case_sensitive"
bool bCaseSensitive = false;
strAttrName = "case_sensitive";
if (jnTask.contains(strAttrName) && jnTask[strAttrName].is_boolean())
bCaseSensitive = jnTask[strAttrName].get<json::boolean>();
// read "include_sub_dir"
bool bIncludeSubDir = false;
strAttrName = "include_sub_dir";
if (jnTask.contains(strAttrName) && jnTask[strAttrName].is_boolean())
bIncludeSubDir = jnTask[strAttrName].get<json::boolean>();
// create MediaParser instance
hParser = MediaCore::MediaParser::CreateInstance();
if (!hParser)
{
m_errMsg = "FAILED to create MediaParser instance!";
return false;
}
if (!hParser->OpenImageSequence(tFrameRate, m_strSrcUrl, strFileFilterRegex, bCaseSensitive, bIncludeSubDir))
{
ostringstream oss; oss << "FAILED to open image-sequence parser at '" << m_strSrcUrl << "'! Error is '" << hParser->GetError() << "'.";
m_errMsg = oss.str();
return false;
}
}
else
{
if (!SysUtils::IsFile(m_strSrcUrl))
{
ostringstream oss; oss << "INVALID task json attribute 'source_url'! '" << m_strSrcUrl << "' is NOT a FILE.";
m_errMsg = oss.str();
return false;
}
// create MediaParser instance
hParser = MediaCore::MediaParser::CreateInstance();
if (!hParser)
{
m_errMsg = "FAILED to create MediaParser instance!";
return false;
}
if (!hParser->Open(m_strSrcUrl))
{
ostringstream oss; oss << "FAILED to open media parser for '" << m_strSrcUrl << "'! Error is '" << hParser->GetError() << "'.";
m_errMsg = oss.str();
return false;
}
}
m_hParser = hParser;
m_pVidstm = hParser->GetBestVideoStream();
if (!m_pVidstm)
{
ostringstream oss; oss << "FAILED to find video stream in '" << m_strSrcUrl << "'!";
m_errMsg = oss.str();
return false;
}
// create SharedSettings
strAttrName = "use_src_attr";
if (jnTask.contains(strAttrName) && jnTask[strAttrName].is_boolean())
m_bUseSrcAttr = jnTask[strAttrName].get<json::boolean>();
else
m_bUseSrcAttr = false;
if (m_bUseSrcAttr)
{
m_hSettings = MediaCore::SharedSettings::CreateInstance();
m_hSettings->SetVideoOutWidth(m_pVidstm->width);
m_hSettings->SetVideoOutHeight(m_pVidstm->height);
m_hSettings->SetVideoOutFrameRate(m_pVidstm->realFrameRate);
MediaCore::HwaccelManager::Holder hHwMgr;
if (hSettings)
hHwMgr = hSettings->GetHwaccelManager();
m_hSettings->SetHwaccelManager(hHwMgr ? hHwMgr : MediaCore::HwaccelManager::GetDefaultInstance());
}
else
{
strAttrName = "media_settings";
if (jnTask.contains(strAttrName) && jnTask[strAttrName].is_object())
{
m_hSettings = MediaCore::SharedSettings::CreateInstanceFromJson(jnTask[strAttrName]);
if (!m_hSettings)
{
m_errMsg = "FAILED to create SharedSettings instance from json!";
return false;
}
MediaCore::HwaccelManager::Holder hHwMgr;
if (hSettings)
hHwMgr = hSettings->GetHwaccelManager();
m_hSettings->SetHwaccelManager(hHwMgr ? hHwMgr : MediaCore::HwaccelManager::GetDefaultInstance());
}
else
{
if (hSettings)
m_hSettings = hSettings;
else
{
m_errMsg = "Argument 'SharedSettings' is null!";
return false;
}
}
}
// create VideoClip instance
strAttrName = "parse_start_offset";
if (!jnTask.contains(strAttrName) || !jnTask[strAttrName].is_number())
{
ostringstream oss; oss << "Task json must has a '" << strAttrName << "' attribute of 'number' type!";
m_errMsg = oss.str();
return false;
}
m_i64ParseStartOffset = jnTask[strAttrName].get<json::number>();
strAttrName = "parse_length";
if (!jnTask.contains(strAttrName) || !jnTask[strAttrName].is_number())
{
ostringstream oss; oss << "Task json must has a '" << strAttrName << "' attribute of 'number' type!";
m_errMsg = oss.str();
return false;
}
m_i64ParseLength = jnTask[strAttrName].get<json::number>();
const int64_t i64SrcDuration = static_cast<int64_t>(m_pVidstm->duration*1000);
const int64_t i64ClipEndOffset = i64SrcDuration-m_i64ParseStartOffset-m_i64ParseLength;
MediaCore::VideoClip::Holder hVclip = MediaCore::VideoClip::CreateVideoInstance(m_i64MediaItemId, hParser, m_hSettings,
0, m_i64ParseLength, m_i64ParseStartOffset, i64ClipEndOffset, 0, true);
if (!hVclip)
{
ostringstream oss; oss << "FAILED to create VideoClip instance for '" << m_strSrcUrl << "' with (start, end, startOffset, endOffset) = ("
<< 0 << ", " << m_i64ParseLength << ", " << m_i64ParseStartOffset << ", " << i64ClipEndOffset << ").";
m_errMsg = oss.str();
return false;
}
m_hParseVclip = hVclip;
auto hPreviewSettings = m_hSettings->Clone();
hPreviewSettings->SetVideoOutWidth(m_u32PreviewWidth); hPreviewSettings->SetVideoOutHeight(m_u32PreviewHeight);
m_hPreviewVclip = hVclip->Clone(hPreviewSettings);
const auto tOutputFrameRate = m_hSettings->VideoOutFrameRate();
m_tVidTimeBase = { tOutputFrameRate.den, tOutputFrameRate.num };
m_hTxMgr = hTxMgr ? hTxMgr : RenderUtils::TextureManager::GetDefaultInstance();
// read scene detect arguments
strAttrName = "scene_detect_thresh";
if (jnTask.contains(strAttrName) && jnTask[strAttrName].is_number())
{
const auto numValue = jnTask[strAttrName].get<json::number>();
if (numValue >= 0 || numValue <= 1)
m_fSceneDetectThresh = (float)numValue;
else
{
ostringstream oss; oss << "INVALID argument '" << strAttrName << "'! The valid value should be an integer in the range of [1, 10], while the provided value is "
<< numValue << ".";
m_errMsg = oss.str();
return false;
}
}
// read task status
strAttrName = "parsed_frame_idx";
if (jnTask.contains(strAttrName) && jnTask[strAttrName].is_number())
m_i64ParsedFrameIdx = (int64_t)jnTask[strAttrName].get<json::number>();
strAttrName = "scene_cut_points";
if (jnTask.contains(strAttrName) && jnTask[strAttrName].is_array())
{
const auto& jnSceneCutPoints = jnTask[strAttrName].get<json::array>();
for (const auto& jnElem : jnSceneCutPoints)
m_aSceneCutPoints.push_back(_SceneCutPoint::FromJson(jnElem));
}
strAttrName = "diff_scores";
if (jnTask.contains(strAttrName) && jnTask[strAttrName].is_array())
{
const auto& jnDiffScores = jnTask[strAttrName].get<json::array>();
for (const auto& jnElem : jnDiffScores)
m_aDiffScores.push_back((float)jnElem.get<json::number>());
}
strAttrName = "result_hash";
if (jnTask.contains(strAttrName) && jnTask[strAttrName].is_number())
m_resultHash = (size_t)jnTask[strAttrName].get<json::number>();
{
ostringstream oss; oss << setw(16) << setfill('0') << hex << m_szHash << '.' << setw(16) << setfill('0') << m_resultHash << dec;
m_resultId = oss.str();
}
bool bFailed = false;
bool bDone = false;
strAttrName = "is_task_failed";
if (jnTask.contains(strAttrName) && jnTask[strAttrName].is_boolean())
bFailed = jnTask[strAttrName].get<json::boolean>();
if (bFailed)
{
strAttrName = "error_message";
if (jnTask.contains(strAttrName) && jnTask[strAttrName].is_string())
m_errMsg = jnTask[strAttrName].get<json::string>();
SetState(FAILED, true);
}
else
{
strAttrName = "is_task_done";
if (jnTask.contains(strAttrName) && jnTask[strAttrName].is_boolean())
bDone = jnTask[strAttrName].get<json::boolean>();
if (bDone)
SetState(DONE, true);
}
// initialize ui vars
if (bDone)
{
m_fProgress = 1.f;
}
else
{
if (m_i64ParsedFrameIdx > 0)
m_i64ParsedFrameIdx--;
const auto i64ParsedTimeMts = av_rescale_q(m_i64ParsedFrameIdx, m_tVidTimeBase, MILLISEC_TIMEBASE);
m_fProgress = (double)i64ParsedTimeMts/m_hParseVclip->Duration();
}
ostringstream oss; oss << "##" << m_name << "-" << setw(16) << setfill('0') << hex << m_szHash << dec;
m_strTaskNameWithHash = oss.str();
oss.str(""); oss << "##ShowResultPopupDlg" << m_strTaskNameWithHash;
m_strShowResultPopupLabel = oss.str();
m_bInited = true;
return true;
}
void SetCallbacks(Callbacks* pCb) override
{
m_pCb = pCb;
}
bool CanPause()
{
return m_eState == PROCESSING;
}
bool Pause() override
{
if (m_bPause)
return true;
m_bPauseCheckPointHit = false;
m_bPause = true;
return true;
}
bool IsPaused() const override
{
return m_bPause && m_bPauseCheckPointHit;
}
bool Resume() override
{
m_bPause = false;
return true;
}
bool DrawContent(const ImVec2& v2ViewSize) override
{
bool bRemoveThisTask = false;
ostringstream oss;
auto strLabel = m_strTaskNameWithHash;
ImGui::BeginChild(strLabel.c_str(), v2ViewSize, ImGuiChildFlags_Border|ImGuiChildFlags_AutoResizeY);
const auto v2AreaPos = ImGui::GetCursorPos();
const auto v2AreaAvailSize = ImGui::GetContentRegionAvail();
const ImColor tTaskTitleClr(KNOWNIMGUICOLOR_WHITESMOKE);
const auto v2TextPadding = ImGui::GetStyle().FramePadding;
const auto orgFontScale = ImGui::GetFont()->Scale;
ImGui::GetFont()->Scale = 1.2f;
ImGui::PushFont(ImGui::GetFont());
ImGui::TextColoredWithPadding(tTaskTitleClr, v2TextPadding, "%s", TASK_TYPE_NAME.c_str()); ImGui::SameLine();
ImGui::GetFont()->Scale = orgFontScale;
ImGui::PopFont();
// >> draw top right control buttons
auto v2CurrPos = ImGui::GetCursorPos();
ImGui::SetCursorPos({v2AreaPos.x+v2AreaAvailSize.x-90, v2CurrPos.y});
bool bDisableThisWidget;
oss << ICON_SAVE << m_strTaskNameWithHash;
strLabel = oss.str(); oss.str("");
const auto& jnSceneDetectResult = m_pCb->OnCheckMediaItemMetaData(m_strSrcUrl, TASK_RESULT_META_NAME);
bool bSameResultId = false;
if (jnSceneDetectResult.contains("result_id") && jnSceneDetectResult["result_id"].is_string())
{
const string currResultId = jnSceneDetectResult["result_id"].get<json::string>();
if (m_resultId == currResultId)
bSameResultId = true;
}
bDisableThisWidget = !IsDone() || bSameResultId;
ImGui::BeginDisabled(bDisableThisWidget);
if (ImGui::Button(strLabel.c_str()))
{
json::value jnMetaValue;
json::array jnSceneCutPoints;
for (const auto& elem : m_aSceneCutPoints)
jnSceneCutPoints.push_back(elem.SaveAsJson());
jnMetaValue["scene_cut_points"] = jnSceneCutPoints;
json::array jnDiffScores;
for (const auto& elem : m_aDiffScores)
jnDiffScores.push_back(json::number(elem));
jnMetaValue["diff_scores"] = jnDiffScores;
jnMetaValue["result_id"] = m_resultId;
m_pCb->OnOutputMediaItemMetaData(m_strSrcUrl, TASK_RESULT_META_NAME, jnMetaValue);
} ImGui::SameLine();
ImGui::ShowTooltipOnHover("Save the result as a META data of the source video file.");
ImGui::EndDisabled();
oss.str(""); oss << (IsPaused() ? ICON_PLAY_FORWARD : ICON_PAUSE) << m_strTaskNameWithHash;
strLabel = oss.str();
bDisableThisWidget = !CanPause();
ImGui::BeginDisabled(bDisableThisWidget);
if (ImGui::Button(strLabel.c_str()))
{
if (m_bPause)
Resume();
else
Pause();
} ImGui::SameLine();
ImGui::ShowTooltipOnHover(bDisableThisWidget
? (IsWaiting() ? "Task hasn't started yet." : "Task is already stopped.")
: (m_bPause ? "Resume task" : "Pause task"));
ImGui::EndDisabled();
oss.str(""); oss << ICON_DELETE << m_strTaskNameWithHash;
strLabel = oss.str();
oss.str(""); oss << ICON_TRASH << " Task Deletion" << m_strTaskNameWithHash;
const auto strDelLabel = oss.str();
bDisableThisWidget = false;
ImGui::BeginDisabled(bDisableThisWidget);
if (ImGui::Button(strLabel.c_str()))
{
ImGui::OpenPopup(strDelLabel.c_str());
}
ImGui::ShowTooltipOnHover(bDisableThisWidget ? "Can not delete this task." : "Delete this task.");
ImGui::EndDisabled();
const ImColor tTagClr(KNOWNIMGUICOLOR_LIGHTGRAY);
ImGui::TextColoredWithPadding(tTagClr, v2TextPadding, "State: "); ImGui::SameLine(0, 10);
switch (m_eState)
{
case WAITING:
ImGui::TextColoredWithPadding(ImColor(0.8f, 0.8f, 0.1f), v2TextPadding, "Waiting");
break;
case PROCESSING:
if (m_bPause)
ImGui::TextColoredWithPadding(ImColor(0.8f, 0.8f, 0.1f), v2TextPadding, "Paused");
else
ImGui::TextColoredWithPadding(ImColor(0.3f, 0.3f, 0.85f), v2TextPadding, "Processing");
break;
case DONE:
ImGui::TextColoredWithPadding(ImColor(0.3f, 0.85f, 0.3f), v2TextPadding, "Done");
break;
case FAILED:
ImGui::TextColoredWithPadding(ImColor(0.85f, 0.3f, 0.3f), v2TextPadding, "FAILED");
break;
case CANCELLED:
ImGui::TextColoredWithPadding(ImColor(0.8f, 0.8f, 0.8f), v2TextPadding, "Cancelled");
break;
default:
ImGui::TextColoredWithPadding(ImColor(0.7f, 0.3f, 0.3f), v2TextPadding, "Unknown");
}
ImGui::TextColoredWithPadding(tTagClr, v2TextPadding, "Progress: "); ImGui::SameLine(0, 10);
ImGui::TextColoredWithPadding(ImColor(0.3f, 0.85f, 0.3f), v2TextPadding, "%.02f%%", m_fProgress*100);
ImGui::SameLine(); v2CurrPos = ImGui::GetCursorPos();
ImGui::SetCursorPos({v2AreaPos.x+v2AreaAvailSize.x-126, v2CurrPos.y});
oss.str(""); oss << ICON_WATCH << " Show Result" << m_strTaskNameWithHash;
strLabel = oss.str();
if (ImGui::Button(strLabel.c_str()))
{
const auto bIsPopupOpen = ImGui::IsPopupOpen(m_strShowResultPopupLabel.c_str());
if (!bIsPopupOpen)
ImGui::OpenPopup(m_strShowResultPopupLabel.c_str());
}
if (ImGui::BeginPopupModal(strDelLabel.c_str(), nullptr, ImGuiWindowFlags_NoMove|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_NoSavedSettings))
{
bool bClosePopup = false;
const ImColor tWarnMsgClr(KNOWNIMGUICOLOR_PALEVIOLETRED);
ImGui::TextColoredWithPadding(tWarnMsgClr, {10, 6}, "This task and all of its intermediat result will be removed!");
if (ImGui::Button(" OK "))
{
Cancel(); WaitDone();
bRemoveThisTask = true;
bClosePopup = true;
} ImGui::SameLine();
if (ImGui::Button("Cancel"))
bClosePopup = true;
if (bClosePopup)
ImGui::CloseCurrentPopup();
ImGui::EndPopup();
}
ImGui::SetNextWindowSize({1200, 0});
if (ImGui::BeginPopupModal(m_strShowResultPopupLabel.c_str(), nullptr, ImGuiWindowFlags_NoMove|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_NoSavedSettings))
{
bool bClosePopup = false;
// >>>> Show scene detect cut point frame pair
const auto aSceneCutPoints = m_aSceneCutPoints;
int64_t i64PreviewFrmIdx = -1;
if (!aSceneCutPoints.empty())
{
if (m_iSelPrevwSceneCutIdx >= aSceneCutPoints.size()) m_iSelPrevwSceneCutIdx = aSceneCutPoints.size()-1;
i64PreviewFrmIdx = aSceneCutPoints[m_iSelPrevwSceneCutIdx].i64FrameIdx;
}
const int64_t i64ReadPos0 = av_rescale_q(i64PreviewFrmIdx-1, m_tVidTimeBase, MILLISEC_TIMEBASE);
const int64_t i64ReadPos1 = av_rescale_q(i64PreviewFrmIdx, m_tVidTimeBase, MILLISEC_TIMEBASE);
if (i64PreviewFrmIdx > 0 && m_i64PrevwFrameIdx != i64PreviewFrmIdx)
{
m_hPreviewVclip->SeekTo(i64ReadPos0);
vector<MediaCore::CorrelativeFrame> frames;
bool eof;
auto hVfrm1 = m_hPreviewVclip->ReadVideoFrame(i64ReadPos0, frames, eof);
ImGui::ImMat vmat;
if (hVfrm1->GetMat(vmat))
{
if (m_hPrevwTx1)
m_hPrevwTx1->RenderMatToTexture(vmat);
else
{
MatUtils::Size2i prevwSize;
m_hPrevwTx1 = m_hTxMgr->CreateManagedTextureFromMat(vmat, prevwSize);
}
}
auto hVfrm2 = m_hPreviewVclip->ReadVideoFrame(i64ReadPos1, frames, eof);
if (hVfrm2->GetMat(vmat))
{
if (m_hPrevwTx2)
m_hPrevwTx2->RenderMatToTexture(vmat);
else
{
MatUtils::Size2i prevwSize;
m_hPrevwTx2 = m_hTxMgr->CreateManagedTextureFromMat(vmat, prevwSize);
}
}
m_i64PrevwFrameIdx = i64PreviewFrmIdx;
}
const auto tid1 = m_hPrevwTx1 ? m_hPrevwTx1->TextureID() : 0;
const auto tid2 = m_hPrevwTx2 ? m_hPrevwTx2->TextureID() : 0;
const ImVec2 v2PrevwImgSize(m_u32PreviewWidth, m_u32PreviewHeight);
if (tid1)
ImGui::Image(tid1, v2PrevwImgSize);
else
ImGui::Dummy(v2PrevwImgSize);
ImGui::SameLine(0, 20);
if (tid2)
ImGui::Image(tid2, v2PrevwImgSize);
else
ImGui::Dummy(v2PrevwImgSize);
// <<<<
// >>>> show scene detect cut points
ImGui::SameLine(0, 20);
ImGuiTableFlags uiTableFlags = ImGuiTableFlags_Resizable | ImGuiTableFlags_Reorderable | ImGuiTableFlags_Sortable | ImGuiTableFlags_SortMulti
| ImGuiTableFlags_RowBg | ImGuiTableFlags_Borders | ImGuiTableFlags_NoBordersInBody | ImGuiTableFlags_ScrollX | ImGuiTableFlags_ScrollY
| ImGuiTableFlags_SizingFixedFit;
if (ImGui::BeginTable("Scene cut points", 6, uiTableFlags, ImVec2(0, m_u32SceneCutTableHeight)))
{
ImGui::TableSetupColumn("Index", ImGuiTableColumnFlags_DefaultSort | ImGuiTableColumnFlags_WidthFixed | ImGuiTableColumnFlags_NoHide);
ImGui::TableSetupColumn("Time", ImGuiTableColumnFlags_WidthFixed);
ImGui::TableHeadersRow();
if (!aSceneCutPoints.empty())
{
ImGuiListClipper clipper;
clipper.Begin(aSceneCutPoints.size());
while (clipper.Step())
{
for (int rowIdx = clipper.DisplayStart; rowIdx < clipper.DisplayEnd; rowIdx++)
{
ImGui::PushID(rowIdx);
ImGui::TableNextRow();
ImGui::TableSetColumnIndex(0);
oss.str(""); oss << rowIdx;
strLabel = oss.str();
auto bIsSelected = rowIdx == m_iSelPrevwSceneCutIdx;
if (ImGui::Selectable(strLabel.c_str(), bIsSelected, ImGuiSelectableFlags_SpanAllColumns | ImGuiSelectableFlags_AllowOverlap))
m_iSelPrevwSceneCutIdx = rowIdx;
ImGui::TableSetColumnIndex(1);
const int64_t i64Pos = av_rescale_q(aSceneCutPoints[rowIdx].i64FrameIdx, m_tVidTimeBase, MILLISEC_TIMEBASE);
strLabel = MillisecToString(i64Pos);
ImGui::TextUnformatted(strLabel.c_str());
ImGui::PopID();
}
}
}
ImGui::EndTable();
}
// <<<<
ImGui::Spacing();
if (ImGui::Button(" OK "))
{
bClosePopup = true;
}
if (bClosePopup)
ImGui::CloseCurrentPopup();
ImGui::EndPopup();
}
ImGui::EndChild();
return bRemoveThisTask;
}
void DrawContentCompact() override
{
}
bool SaveAsJson(json::value& jnTask) override
{
jnTask = json::value();
// save basic info
jnTask["type"] = "SceneDetect";
jnTask["name"] = m_name;
jnTask["task_hash"] = json::number(m_szHash);
jnTask["task_dir"] = m_strTaskDir;
jnTask["source_url"] = m_strSrcUrl;
jnTask["is_image_seq"] = m_bIsImageSeq;
jnTask["media_item_id"] = json::number(m_i64MediaItemId);
json::value jnSettings;
if (!m_hSettings->SaveAsJson(jnSettings))
{
m_errMsg = "FAILED to save 'SharedSettings' as json!";
return false;
}
jnTask["media_settings"] = jnSettings;
if (m_bIsImageSeq)
{
const auto& tFrameRate = m_pVidstm->realFrameRate;
auto hFileIter = m_hParser->GetImageSequenceIterator();
jnTask["frame_rate_num"] = json::number(tFrameRate.num);
jnTask["frame_rate_den"] = json::number(tFrameRate.den);
bool bIsRegexPattern;
const auto strFileFilterRegex = hFileIter->GetFilterPattern(bIsRegexPattern);
jnTask["file_filter_regex"] = strFileFilterRegex;
jnTask["case_sensitive"] = hFileIter->IsCaseSensitive();
jnTask["include_sub_dir"] = hFileIter->IsRecursive();
}
jnTask["parse_start_offset"] = json::number(m_i64ParseStartOffset);
jnTask["parse_length"] = json::number(m_i64ParseLength);
// save scene detect parameters
jnTask["scene_detect_thresh"] = json::number(m_fSceneDetectThresh);
// save task status
jnTask["parsed_frame_idx"] = json::number(m_i64ParsedFrameIdx);
json::array jnSceneCutPoints;
for (const auto& elem : m_aSceneCutPoints)
jnSceneCutPoints.push_back(elem.SaveAsJson());
jnTask["scene_cut_points"] = jnSceneCutPoints;
json::array jnDiffScores;
for (const auto& elem : m_aDiffScores)
jnDiffScores.push_back(json::number(elem));
jnTask["diff_scores"] = jnDiffScores;
jnTask["result_hash"] = json::number(m_resultHash);
jnTask["is_task_done"] = IsDone();
jnTask["is_task_failed"] = IsFailed();
jnTask["error_message"] = m_errMsg;
return true;
}
string Save(const string& _strSavePath) override
{
json::value jnTask;
if (!SaveAsJson(jnTask))
{
m_pLogger->Log(Error) << "FAILED to save '" << m_name << "' as json!" << endl;
return "";
}
const auto strSavePath = _strSavePath.empty() ? SysUtils::JoinPath(m_strTaskDir, "task.json") : _strSavePath;
if (!jnTask.save(strSavePath))
{
m_pLogger->Log(Error) << "FAILED to save task json of '" << m_name << "' at location '" << strSavePath << "'!" << endl;
return "";
}
return strSavePath;
}
string GetTaskDir() const override
{
return m_strTaskDir;
}
string GetError() const override
{
return m_errMsg;
}
void SetLogLevel(Logger::Level l) override
{
m_pLogger->SetShowLevels(l);
}
public:
static const string TASK_TYPE_NAME;
static const string TASK_RESULT_META_NAME;
protected:
struct _SceneCutPoint
{
int64_t i64FrameIdx;
int64_t mts;
float fScore;
json::value SaveAsJson() const
{
json::value j;
j["frame_index"] = json::number(i64FrameIdx);
j["mts"] = json::number(mts);
j["score"] = json::number(fScore);
return std::move(j);
}
static _SceneCutPoint FromJson(const json::value& j)
{
_SceneCutPoint newinst;
string strAttrName;
strAttrName = "frame_index";
if (j.contains(strAttrName) && j[strAttrName].is_number())
newinst.i64FrameIdx = (int64_t)j[strAttrName].get<json::number>();
strAttrName = "mts";
if (j.contains(strAttrName) && j[strAttrName].is_number())
newinst.mts = (int64_t)j[strAttrName].get<json::number>();
strAttrName = "score";
if (j.contains(strAttrName) && j[strAttrName].is_number())
newinst.fScore = (float)j[strAttrName].get<json::number>();
return std::move(newinst);
}
};
bool _TaskProc () override
{
m_pLogger->Log(INFO) << "Start background task 'SceneDetect' for '" << m_strSrcUrl << "'." << endl;
if (!m_bInited)
{
ostringstream oss; oss << "Background task 'SceneDetect' with name '" << m_name << "' is NOT initialized!";
m_errMsg = oss.str(); m_pLogger->Log(Error) << m_errMsg << endl;
return false;
}
float fStageProgress = 0.f, fStageShare = 0.5f, fAccumShares = 0.f;
bool bFilterGraphInited = false;
const int64_t i64ClipDur = m_hParseVclip->Duration();
ImMatToAVFrameConverter tMat2AvfrmCvter;
tMat2AvfrmCvter.SetOutPixelFormat(m_eFgInputPixfmt);
const auto tFrameRate = m_hSettings->VideoOutFrameRate();
const AVRational tb = { tFrameRate.den, tFrameRate.num };
int64_t i64FrmIdx = m_i64ParsedFrameIdx;
if (i64FrmIdx > 0)
{
const int64_t i64ReadPos = round((double)i64FrmIdx*1000*tFrameRate.den/tFrameRate.num);
m_hParseVclip->SeekTo(i64ReadPos);
}
SelfFreeAVFramePtr hFgOutfrmPtr = AllocSelfFreeAVFramePtr();
while (!IsCancelled())
{
if (m_bPause)
{
m_bPauseCheckPointHit = true;
this_thread::sleep_for(chrono::milliseconds(THREAD_IDLE_TIME));
continue;
}
int fferr;
SelfFreeAVFramePtr hFgInfrmPtr;
const int64_t i64ReadPos = round((double)i64FrmIdx*1000*tFrameRate.den/tFrameRate.num);
bool bEof = false;
auto hVfrm = m_hParseVclip->ReadSourceFrame(i64ReadPos, bEof, true);
ImMatWrapper_AVFrame tAvfrmWrapper;
if (hVfrm)
{
auto tNativeData = hVfrm->GetNativeData();
if (tNativeData.eType == MediaCore::VideoFrame::NativeData::AVFRAME)
hFgInfrmPtr = CloneSelfFreeAVFramePtr((AVFrame*)tNativeData.pData);
else if (tNativeData.eType == MediaCore::VideoFrame::NativeData::AVFRAME_HOLDER)
hFgInfrmPtr = *((SelfFreeAVFramePtr*)tNativeData.pData);
else if (tNativeData.eType == MediaCore::VideoFrame::NativeData::MAT)
{
const auto& vmat = *((ImGui::ImMat*)tNativeData.pData);
if (vmat.device != IM_DD_CPU)
{
hFgInfrmPtr = AllocSelfFreeAVFramePtr();
tMat2AvfrmCvter.ConvertImage(vmat, hFgInfrmPtr.get(), i64FrmIdx);
}
else
{
tAvfrmWrapper.SetMat(vmat);
hFgInfrmPtr = tAvfrmWrapper.GetWrapper(i64FrmIdx);
}
}
}
if (hFgInfrmPtr)
{
hFgInfrmPtr->pts = i64FrmIdx;
if (!bFilterGraphInited)
{
if (!SetupSceneDetectFilterGraph(hFgInfrmPtr.get()))
{
m_pLogger->Log(Error) << "'SetupSceneDetectFilterGraph()' FAILED!" << endl;
return false;
}
bFilterGraphInited = true;
}
fferr = av_buffersrc_add_frame(m_pBufsrcCtx, hFgInfrmPtr.get());
if (fferr < 0)
{
ostringstream oss; oss << "Background task 'SceneDetect' FAILED when invoking 'av_buffersrc_add_frame()' at frame #" << (i64FrmIdx-1)
<< ". fferr=" << fferr << ".";
m_errMsg = oss.str(); m_pLogger->Log(Error) << m_errMsg << endl;
return false;
}
m_i64ParsedFrameIdx = i64FrmIdx;
i64FrmIdx++;
av_frame_unref(hFgOutfrmPtr.get());
fferr = av_buffersink_get_frame(m_pBufsinkCtx, hFgOutfrmPtr.get());
if (fferr != AVERROR(EAGAIN))
{
if (fferr == 0)
{
float fScore = 0;
auto dictEntry = av_dict_get(hFgOutfrmPtr->metadata, "lavfi.scene_score", nullptr, 0);
if (dictEntry)
fScore = stof(dictEntry->value);
m_aDiffScores.push_back(fScore);
if (fScore >= m_fSceneDetectThresh)
{
int64_t mts = av_rescale_q(hFgOutfrmPtr->pts, tb, MILLISEC_TIMEBASE);
m_aSceneCutPoints.push_back({hFgOutfrmPtr->pts, mts, fScore});
m_pLogger->Log(INFO) << "Scene detect output: frame#" << hFgOutfrmPtr->pts << ", time=" << MillisecToString(mts) << ", score=" << fScore << endl;
}
}
else
{
ostringstream oss; oss << "Background task 'SceneDetect' FAILED when invoking 'av_buffersink_get_frame()' at frame #" << (i64FrmIdx-1)
<< ". fferr=" << fferr << ".";
m_errMsg = oss.str(); m_pLogger->Log(Error) << m_errMsg << endl;
return false;
}
}
}
float fStageProgress = (float)((double)i64ReadPos/i64ClipDur);
m_fProgress = fAccumShares+(fStageProgress*fStageShare);
if (bEof)
break;
}
ReleaseFilterGraph();
m_hParseVclip = nullptr;
m_resultHash = SysUtils::GetTickHash();
ostringstream oss;
oss << setw(16) << setfill('0') << hex << m_szHash << '.' << setw(16) << setfill('0') << m_resultHash << dec;
m_resultId = oss.str();
m_fProgress = 1.f;
m_pLogger->Log(INFO) << "Quit background task 'SceneDetect' for '" << m_strSrcUrl << "'." << endl;
return true;
}
bool _AfterTaskProc() override
{
ReleaseFilterGraph();
return true;
}
private:
bool SetupSceneDetectFilterGraph(const AVFrame* pInAvfrm)
{
const AVFilter *buffersink = avfilter_get_by_name("buffersink");
const AVFilter *buffersrc = avfilter_get_by_name("buffer");
m_pFilterGraph = avfilter_graph_alloc();
if (!m_pFilterGraph)
{
m_errMsg = "FAILED to allocate new 'AVFilterGraph'!";
return false;
}
int fferr;
ostringstream oss;
m_eFgInputPixfmt = (AVPixelFormat)pInAvfrm->format;
const auto tFrameRate = m_hSettings->VideoOutFrameRate();
oss << pInAvfrm->width << ":" << pInAvfrm->height << ":pix_fmt=" << (int)m_eFgInputPixfmt << ":sar=1"
<< ":time_base=" << tFrameRate.den << "/" << tFrameRate.num << ":frame_rate=" << tFrameRate.num << "/" << tFrameRate.den;
string bufsrcArg = oss.str();
m_pBufsrcCtx = nullptr;
fferr = avfilter_graph_create_filter(&m_pBufsrcCtx, buffersrc, "buffer_source", bufsrcArg.c_str(), nullptr, m_pFilterGraph);
if (fferr < 0)
{
oss << "FAILED when invoking 'avfilter_graph_create_filter' for INPUT 'buffer_source'! fferr=" << fferr << ".";
m_errMsg = oss.str();
return false;
}
AVFilterInOut* filtInOutPtr = avfilter_inout_alloc();
if (!filtInOutPtr)
{
m_errMsg = "FAILED to allocate 'AVFilterInOut' instance!";
return false;
}
filtInOutPtr->name = av_strdup("in");
filtInOutPtr->filter_ctx = m_pBufsrcCtx;
filtInOutPtr->pad_idx = 0;
filtInOutPtr->next = nullptr;
m_pFilterOutputs = filtInOutPtr;
m_pBufsinkCtx = nullptr;
fferr = avfilter_graph_create_filter(&m_pBufsinkCtx, buffersink, "buffer_sink", nullptr, nullptr, m_pFilterGraph);
if (fferr < 0)
{
oss << "FAILED when invoking 'avfilter_graph_create_filter' for OUTPUT 'out'! fferr=" << fferr << ".";
m_errMsg = oss.str();
return false;
}
filtInOutPtr = avfilter_inout_alloc();
if (!filtInOutPtr)
{
m_errMsg = "FAILED to allocate 'AVFilterInOut' instance!";
return false;
}
filtInOutPtr->name = av_strdup("out");
filtInOutPtr->filter_ctx = m_pBufsinkCtx;
filtInOutPtr->pad_idx = 0;
filtInOutPtr->next = nullptr;
m_pFilterInputs = filtInOutPtr;
const int iOutW = (int)m_hSettings->VideoOutWidth();
const int iOutH = (int)m_hSettings->VideoOutHeight();
oss.str("");
if (pInAvfrm->width != iOutW || pInAvfrm->height != iOutH)
{
string strInterpAlgo = iOutW*iOutH >= pInAvfrm->width*pInAvfrm->height ? "bicubic" : "area";
oss << "scale=w=" << iOutW << ":h=" << iOutH << ":flags=" << strInterpAlgo << ",";
}
if ((AVPixelFormat)pInAvfrm->format != AV_PIX_FMT_RGB24)
{
oss << "format=rgb24,";
}
oss << "select='gte(scene\\,0)'";
string filterArgs = oss.str();