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main.cpp
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main.cpp
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#include <iostream>
#include <cctype>
#include <cmath>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <algorithm>
#include <vector>
#include "pgs.hpp"
#include "cmd.hpp"
struct t_rect {
uint16_t x;
uint16_t y;
uint16_t width;
uint16_t height;
};
struct t_compositionNumberToSaveInfo {
uint16_t compositionNumber;
size_t sectionIdx;
};
bool rectIsContained(t_rect container, t_rect window) {
if ((window.x + window.width) < (container.x + container.width)
&& (window.x) > (container.x)
&& (window.y) > (container.y)
&& (window.y + window.height) < (container.y + container.height)
)
{
return true;
}
else
{
return false;
}
}
int searchSectionByPTS(std::vector<t_cutMergeSection> section, uint32_t beginPTS, uint32_t endPTS, e_cutMergeFixMode fixMode) {
for (int i = 0; i < (int)section.size(); i++) {
t_cutMergeSection currSection = section[i];
int found = 0;
if (currSection.begin <= beginPTS
&& currSection.end >= beginPTS) {
found++;
}
if (currSection.begin <= endPTS
&& currSection.end >= endPTS) {
found++;
}
if (currSection.begin <= beginPTS
&& currSection.end >= endPTS) {
found += 2;
}
if ( fixMode == e_cutMergeFixMode::cut
&& found >= 1) {
return i;
}
if ( fixMode == e_cutMergeFixMode::del
&& found >= 2) {
return i;
}
}
return -1;
}
const char* usageHelp = R"(Usage: SupMover <input.sup> [<output.sup>] [OPTIONS ...]
OPTIONS:
--trace
--delay <ms>
--move <delta x> <delta y>
--crop <left> <top> <right> <bottom>
--resync (<num>/<den> | <multFactor>)
--add_zero
--tonemap <perc>
--cut_merge [CUT&MERGE OPTIONS ...]
CUT&MERGE OPTIONS:
--list <list of sections>
--format (secut | (vapoursynth | vs) | (avisynth | avs) | remap)
--timemode (ms | frame (<num>/<den> | <fps>) | timestamp)
--fixmode (cut | (delete | del))
Delay and resync command are executed in the order supplied.
)";
int main(int32_t argc, char** argv)
{
size_t size, newSize;
t_header header;
if (argc < 3) {
std::fprintf(stderr, "%s", usageHelp);
return -1;
}
t_cmd cmd = {};
if (!parseCMD(argc, argv, cmd)) {
std::fprintf(stderr, "Error parsing input\n");
return -1;
}
bool doDelay = cmd.delay != 0;
bool doMove = cmd.move.deltaX != 0 || cmd.move.deltaY != 0;
bool doCrop = (cmd.crop.left + cmd.crop.top + cmd.crop.right + cmd.crop.bottom) > 0;
bool doResync = cmd.resync != 1;
bool doTonemap = cmd.tonemap != 1;
bool doModification = doDelay || doMove || doCrop || doResync || cmd.addZero || doTonemap || cmd.cutMerge.doCutMerge;
bool doAnalysis = cmd.trace;
FILE* input = std::fopen(cmd.inputFile, "rb");
if (input == nullptr) {
std::fprintf(stderr, "Unable to open input file!\n");
return -1;
}
FILE* output = nullptr;
if (doModification) {
if (cmd.outputFile == nullptr) {
std::fprintf(stderr, "Specified options require an output file!\n");
return -1;
}
output = std::fopen(cmd.outputFile, "wb");
if (output == nullptr) {
std::fprintf(stderr, "Unable to open output file!\n");
std::fclose(input);
return -1;
}
}
std::fseek(input, 0, SEEK_END);
size = newSize = std::ftell(input);
if (size != 0) {
std::fseek(input, 0, SEEK_SET);
uint8_t* buffer = (uint8_t*)std::calloc(1, size);
uint8_t* newBuffer = buffer;
if (buffer == nullptr) {
return -1;
}
std::fread(buffer, size, 1, input);
if (doModification || doAnalysis) {
size_t start = 0;
t_rect screenRect = {};
t_WDS wds = {};
t_PCS pcs = {};
t_PDS pds = {};
t_ODS ods = {};
size_t offsetCurrPCS = 0;
bool fixPCS = false;
std::vector<t_compositionNumberToSaveInfo> cutMerge_compositionNumberToSave = {};
t_cutMergeSection cutMerge_currentSection = {};
size_t cutMerge_offsetBeginCopy = 0;
size_t cutMerge_offsetEndCopy = 0;
size_t cutMerge_currentNewBufferSize = 0;
uint32_t cutMerge_currentBeginPTS = 0;
uint32_t cutMerge_currentEndPTS = 0;
uint16_t cutMerge_currentCompositionNumber = 0;
uint16_t cutMerge_newCompositionNumber = 0;
bool cutMerge_foundBegin = false;
bool cutMerge_foundEnd = false;
bool cutMerge_keepSection = false;
uint32_t cutMerge_currentToSaveIdx = 0;
for (start = 0; start < size; start = start + HEADER_SIZE + header.dataLength) {
header = t_header::read(&buffer[start]);
if (header.header != 0x5047) {
std::fprintf(stderr, "Correct header not found at position %zd, abort!\n", start);
std::fclose(input);
std::fclose(output);
return -1;
}
t_timestamp timestamp = ptsToTimestamp(header.pts);
char timestampString[13]; // max 99:99:99.999
std::snprintf(timestampString, 13, "%lu:%02lu:%02lu.%03lu", timestamp.hh, timestamp.mm, timestamp.ss, timestamp.ms);
char offsetString[13]; // max 0xFFFFFFFFFF (1TB)
std::snprintf(offsetString, 13, "%#zx", start);
if (doResync) {
header.pts = (uint32_t)std::round((double)header.pts * cmd.resync);
}
if (doDelay) {
if ( cmd.delay < 0
&& header.pts < abs(cmd.delay)) {
std::fprintf(stderr, "Object at timestamp %s starts before the full delay amount, it was set to start at 0!\n", timestampString);
header.pts = 0;
}
else {
header.pts = header.pts + cmd.delay;
}
}
if (doResync || doDelay) {
header.write(&buffer[start]);
}
switch (header.segmentType) {
case e_segmentType::pds:
if (cmd.trace || doTonemap) {
pds = t_PDS::read(&buffer[start + HEADER_SIZE], header.dataLength);
}
if (cmd.trace) {
std::printf(" + PDS Segment: offset %s\n", offsetString);
std::printf(" + Palette ID: %u\n", pds.id);
std::printf(" + Version: %u\n", pds.versionNumber);
std::printf(" + Palette entries: %u\n", pds.numberOfPalettes);
}
if (doTonemap) {
for (int i = 0; i < pds.numberOfPalettes; i++) {
//convert Y from TV level (16-235) to full range
double expandedY = ((((double)pds.palettes[i].valueY - 16.0) * (255.0 / (235.0 - 16.0))) / 255.0);
double tonemappedY = expandedY * cmd.tonemap;
double clampedY = std::min(1.0, std::max(tonemappedY, 0.0));
double newY = std::round((clampedY * (235.0 - 16.0)) + 16.0);
pds.palettes[i].valueY = (uint8_t)newY;
}
pds.write(&buffer[start + HEADER_SIZE]);
}
break;
case e_segmentType::ods:
if (cmd.trace) {
ods = t_ODS::read(&buffer[start + HEADER_SIZE]);
std::printf(" + ODS Segment: offset %s\n", offsetString);
std::printf(" + Object ID: %u\n", ods.id);
std::printf(" + Version: %u\n", ods.versionNumber);
if (ods.sequenceFlag != e_sequenceFlag::firstAndLast) {
std::printf(" + Sequence flag: ");
switch (ods.sequenceFlag) {
case e_sequenceFlag::last: std::printf("Last\n"); break;
case e_sequenceFlag::first: std::printf("First\n"); break;
default: std::printf("%#x\n", ods.sequenceFlag); break;
}
}
std::printf(" + Size: %ux%u\n", ods.width, ods.height);
}
break;
case e_segmentType::pcs:
if (cmd.trace) {
std::printf("+ DS\n");
std::printf(" + PTS: %s\n", timestampString);
std::printf(" + PCS Segment: offset %s\n", offsetString);
}
if (cmd.trace || doMove | doCrop || cmd.addZero || cmd.cutMerge.doCutMerge) {
pcs = t_PCS::read(&buffer[start + HEADER_SIZE]);
offsetCurrPCS = start;
if (cmd.trace) {
std::printf(" + Video size: %ux%u\n", pcs.width, pcs.height);
std::printf(" + Composition number: %u\n", pcs.compositionNumber);
std::printf(" + Composition state: ");
switch (pcs.compositionState) {
case e_compositionState::normal: std::printf("Normal\n"); break;
case e_compositionState::acquisitionPoint: std::printf("Aquisition Point\n"); break;
case e_compositionState::epochStart: std::printf("Epoch Start\n"); break;
default: std::printf("%#x\n", pcs.compositionState); break;
}
if (pcs.paletteUpdateFlag == 0x80) {
std::printf(" + Palette update: True\n");
}
std::printf(" + Palette ID: %u\n", pcs.paletteID);
for (int i = 0; i < pcs.numberOfCompositionObjects; i++) {
std::printf(" + Composition object\n");
t_compositionObject object = pcs.compositionObjects[i];
std::printf(" + Object ID: %u\n", object.objectID);
std::printf(" + Window ID: %u\n", object.windowID);
std::printf(" + Position: %u,%u\n", object.horizontalPosition, object.verticalPosition);
if (object.croppedAndForcedFlag & e_objectFlags::forced) {
std::printf(" + Forced display: True\n");
}
if (object.croppedAndForcedFlag & e_objectFlags::cropped) {
std::printf(" + Cropped: True\n");
std::printf(" + Cropped position: %u,%u\n", object.croppedHorizontalPosition, object.croppedVerticalPosition);
std::printf(" + Cropped size: %ux%u\n", object.croppedWidth, object.croppedHeight);
}
}
}
if (doCrop) {
screenRect.x = 0 + cmd.crop.left;
screenRect.y = 0 + cmd.crop.top;
screenRect.width = pcs.width - (cmd.crop.left + cmd.crop.right);
screenRect.height = pcs.height - (cmd.crop.top + cmd.crop.bottom);
pcs.width = screenRect.width;
pcs.height = screenRect.height;
if (pcs.numberOfCompositionObjects > 1) {
std::fprintf(stderr, "Multiple composition object at timestamp %s! Please Check!\n", timestampString);
}
for (int i = 0; i < pcs.numberOfCompositionObjects; i++) {
if (pcs.compositionObjects[i].croppedAndForcedFlag & e_objectFlags::cropped) {
std::fprintf(stderr, "Object Cropped Flag set at timestamp %s! Implement it!\n", timestampString);
}
if (cmd.crop.left > pcs.compositionObjects[i].horizontalPosition) {
pcs.compositionObjects[i].horizontalPosition = 0;
}
else {
pcs.compositionObjects[i].horizontalPosition -= cmd.crop.left;
}
if (cmd.crop.top > pcs.compositionObjects[i].verticalPosition) {
pcs.compositionObjects[i].verticalPosition = 0;
}
else {
pcs.compositionObjects[i].verticalPosition -= cmd.crop.top;
}
}
}
if (cmd.addZero) {
if (pcs.compositionNumber == 0) {
uint8_t zeroBuffer[60];
uint8_t pos = 0;
t_header zeroHeader(header);
zeroHeader.pts = 0;
zeroHeader.dataLength = 11; //Length of upcoming PCS
zeroHeader.write(&zeroBuffer[pos]);
pos += 13;
t_PCS zeroPcs(pcs);
zeroPcs.compositionState = 0;
zeroPcs.paletteUpdateFlag = 0;
zeroPcs.paletteID = 0;
zeroPcs.numberOfCompositionObjects = 0;
zeroPcs.write(&zeroBuffer[pos]);
pos += zeroHeader.dataLength;
zeroHeader.segmentType = e_segmentType::wds; // WDS
zeroHeader.dataLength = 10; //Length of upcoming WDS
zeroHeader.write(&zeroBuffer[pos]);
pos += 13;
t_WDS zeroWds;
zeroWds.numberOfWindows = 1;
zeroWds.windows[0].id = 0;
zeroWds.windows[0].horizontalPosition = 0;
zeroWds.windows[0].verticalPosition = 0;
zeroWds.windows[0].width = 0;
zeroWds.windows[0].height = 0;
zeroWds.write(&zeroBuffer[pos]);
pos += zeroHeader.dataLength;
zeroHeader.segmentType = e_segmentType::end; // END
zeroHeader.dataLength = 0; //Length of upcoming END
zeroHeader.write(&zeroBuffer[pos]);
pos += 13;
std::fprintf(stderr, "Writing %d bytes as first display set\n", pos);
std::fwrite(zeroBuffer, pos, 1, output);
//For Cut&Merge functionality we don't need to save the added segment as it
//is saved in the resulting file automatically
}
pcs.compositionNumber += 1;
}
if (cmd.cutMerge.doCutMerge) {
if (!cutMerge_foundBegin) {
cutMerge_foundBegin = true;
cutMerge_currentBeginPTS = header.pts;
cutMerge_currentCompositionNumber = pcs.compositionNumber;
}
else if (!cutMerge_foundEnd) {
cutMerge_foundEnd = true;
cutMerge_currentEndPTS = header.pts;
}
}
pcs.write(&buffer[start + HEADER_SIZE]);
}
break;
case e_segmentType::wds:
if (cmd.trace) {
std::printf(" + WDS Segment: offset %s\n", offsetString);
}
fixPCS = false;
if (cmd.trace || doMove || doCrop) {
wds = t_WDS::read(&buffer[start + HEADER_SIZE]);
if (wds.numberOfWindows > 1 && doModification) {
std::fprintf(stderr, "Multiple windows at timestamp %s! Please Check!\n", timestampString);
}
if (cmd.trace) {
for (int i = 0; i < wds.numberOfWindows; i++) {
std::printf(" + Window\n");
t_window window = wds.windows[i];
std::printf(" + Window ID: %u\n", window.id);
std::printf(" + Position: %u,%u\n", window.horizontalPosition, window.verticalPosition);
std::printf(" + Size: %ux%u\n", window.width, window.height);
}
}
if (doMove) {
for (int i = 0; i < wds.numberOfWindows; i++) {
t_window *window = &wds.windows[i];
int16_t minDeltaX = -(int16_t)window->horizontalPosition;
int16_t minDeltaY = -(int16_t)window->verticalPosition;
int16_t maxDeltaX = pcs.width - (window->horizontalPosition + window->width);
int16_t maxDeltaY = pcs.height - (window->verticalPosition + window->height);
int16_t clampedDeltaX = std::min(std::max(cmd.move.deltaX, minDeltaX), maxDeltaX);
int16_t clampedDeltaY = std::min(std::max(cmd.move.deltaY, minDeltaY), maxDeltaY);
window->horizontalPosition += clampedDeltaX;
window->verticalPosition += clampedDeltaY;
for (int j = 0; j < pcs.numberOfCompositionObjects; j++) {
t_compositionObject *object = &pcs.compositionObjects[j];
if (object->windowID != window->id) continue;
if (object->croppedAndForcedFlag & e_objectFlags::cropped) {
object->croppedHorizontalPosition += clampedDeltaX;
object->croppedVerticalPosition += clampedDeltaY;
}
object->horizontalPosition += clampedDeltaX;
object->verticalPosition += clampedDeltaY;
fixPCS = true;
}
}
}
if (doCrop) {
for (int i = 0; i < wds.numberOfWindows; i++) {
t_rect wndRect;
uint16_t corrHor = 0;
uint16_t corrVer = 0;
wndRect.x = wds.windows[i].horizontalPosition;
wndRect.y = wds.windows[i].verticalPosition;
wndRect.width = wds.windows[i].width;
wndRect.height = wds.windows[i].height;
if (wndRect.width > screenRect.width
|| wndRect.height > screenRect.height) {
std::fprintf(stderr, "Window is bigger then new screen area at timestamp %s\n", timestampString);
std::fprintf(stderr, "Implement it!\n");
/*
pcs.width = wndRect.width;
pcs.height = wndRect.height;
fixPCS = true;
*/
}
else {
if (!rectIsContained(screenRect, wndRect)) {
std::fprintf(stderr, "Window is outside new screen area at timestamp %s\n", timestampString);
uint16_t wndRightPoint = wndRect.x + wndRect.width;
uint16_t screenRightPoint = screenRect.x + screenRect.width;
if (wndRightPoint > screenRightPoint) {
corrHor = wndRightPoint - screenRightPoint;
}
uint16_t wndBottomPoint = wndRect.y + wndRect.height;
uint16_t screenBottomPoint = screenRect.y + screenRect.height;
if (wndBottomPoint > screenBottomPoint) {
corrVer = wndBottomPoint - screenBottomPoint;
}
if (corrHor + corrVer != 0) {
std::fprintf(stderr, "Please check\n");
}
}
}
if (cmd.crop.left > wds.windows[i].horizontalPosition) {
wds.windows[i].horizontalPosition = 0;
}
else {
wds.windows[i].horizontalPosition -= (cmd.crop.left + corrHor);
}
if (cmd.crop.top > wds.windows[i].verticalPosition) {
wds.windows[i].verticalPosition = 0;
}
else {
wds.windows[i].verticalPosition -= (cmd.crop.top + corrVer);
}
if (corrVer != 0 || corrHor != 0) {
for (int j = 0; j < pcs.numberOfCompositionObjects; j++) {
if (pcs.compositionObjects[j].windowID != wds.windows[i].id) continue;
pcs.compositionObjects[j].verticalPosition -= corrVer;
pcs.compositionObjects[j].horizontalPosition -= corrHor;
}
fixPCS = true;
}
}
}
if (fixPCS) {
pcs.write(&buffer[offsetCurrPCS + HEADER_SIZE]);
}
wds.write(&buffer[start + HEADER_SIZE]);
}
break;
case e_segmentType::end:
if (cmd.trace) {
std::printf(" + END Segment: offset %s\n", offsetString);
}
if (cmd.cutMerge.doCutMerge) {
if (cutMerge_foundEnd) {
cutMerge_foundBegin = false;
cutMerge_foundEnd = false;
int idxFound = searchSectionByPTS(cmd.cutMerge.section, cutMerge_currentBeginPTS, cutMerge_currentEndPTS, cmd.cutMerge.fixMode);
if (idxFound != -1) {
t_compositionNumberToSaveInfo compositionNumberToSaveInfo = {};
compositionNumberToSaveInfo.compositionNumber = cutMerge_currentCompositionNumber;
compositionNumberToSaveInfo.sectionIdx = idxFound;
cutMerge_compositionNumberToSave.push_back(compositionNumberToSaveInfo);
}
}
}
screenRect = {};
pcs = {};
wds = {};
break;
}
}
//Cut&Merge functionality is done in two pass as we need the resulting timestamp to do it
//and we need to fix all the segment with the sum of all the in-between section delay
if (cmd.cutMerge.doCutMerge) {
newBuffer = (uint8_t*)std::calloc(1, size);
header = {};
cutMerge_foundBegin = false;
cutMerge_foundEnd = false;
cutMerge_keepSection = false;
cutMerge_currentToSaveIdx = 0;
cutMerge_newCompositionNumber = 0;
if (cmd.addZero) {
cutMerge_newCompositionNumber = 1;
}
for (start = 0; start < size; start = start + HEADER_SIZE + header.dataLength) {
if (cutMerge_currentToSaveIdx >= cutMerge_compositionNumberToSave.size()) {
break;
}
header = t_header::read(&buffer[start]);
//For Cut&Merge we only need to handle the header (for the PTS), the PCS (to
//get the compositionNumber) and the END segment (to know when it finished)
if (header.segmentType == e_segmentType::pcs)
{
pcs = t_PCS::read(&buffer[start + HEADER_SIZE]);
if (!cutMerge_foundBegin) {
cutMerge_foundBegin = true;
cutMerge_currentBeginPTS = header.pts;
cutMerge_currentCompositionNumber = pcs.compositionNumber;
if (cutMerge_compositionNumberToSave[cutMerge_currentToSaveIdx].compositionNumber == cutMerge_currentCompositionNumber) {
cutMerge_keepSection = true;
cutMerge_offsetBeginCopy = start;
cutMerge_currentSection = cmd.cutMerge.section[cutMerge_compositionNumberToSave[cutMerge_currentToSaveIdx].sectionIdx];
pcs.compositionNumber = cutMerge_newCompositionNumber;
pcs.write(&buffer[start + HEADER_SIZE]);
}
}
else if (!cutMerge_foundEnd) {
cutMerge_foundEnd = true;
cutMerge_currentEndPTS = header.pts;
if (cutMerge_keepSection) {
pcs.compositionNumber = cutMerge_newCompositionNumber;
pcs.write(&buffer[start + HEADER_SIZE]);
}
}
}
if (cutMerge_keepSection) {
if (!cutMerge_foundEnd) {
if (cutMerge_currentBeginPTS < cutMerge_currentSection.begin) {
header.pts = cutMerge_currentSection.begin;
}
}
else {
if (cutMerge_currentEndPTS > cutMerge_currentSection.end) {
header.pts = cutMerge_currentSection.end;
}
}
header.pts -= cutMerge_currentSection.delay_until;
header.write(&buffer[start]);
}
if (header.segmentType == e_segmentType::end)
{
if (cutMerge_foundEnd) {
if (cutMerge_keepSection) {
cutMerge_currentToSaveIdx++;
cutMerge_offsetEndCopy = start + HEADER_SIZE + header.dataLength;
std::memcpy(&newBuffer[cutMerge_currentNewBufferSize],
&buffer[cutMerge_offsetBeginCopy],
(cutMerge_offsetEndCopy - cutMerge_offsetBeginCopy));
cutMerge_currentNewBufferSize += (cutMerge_offsetEndCopy - cutMerge_offsetBeginCopy);
cutMerge_newCompositionNumber++;
}
cutMerge_foundBegin = false;
cutMerge_foundEnd = false;
cutMerge_keepSection = false;
cutMerge_offsetBeginCopy = -1;
cutMerge_offsetEndCopy = -1;
}
}
}
newSize = cutMerge_currentNewBufferSize;
}
else {
newBuffer = buffer;
newSize = size;
}
}
if (doModification) {
std::fwrite(newBuffer, newSize, 1, output);
}
}
std::fclose(input);
std::fclose(output);
return 0;
}