bool GBARRReinitStream(struct GBARRContext* rr, enum GBARRInitFrom initFrom) {
if (!rr) {
return false;
}
if (rr->metadataFile) {
rr->metadataFile->truncate(rr->metadataFile, 0);
} else {
rr->metadataFile = rr->streamDir->openFile(rr->streamDir, METADATA_FILENAME, O_CREAT | O_TRUNC | O_RDWR);
}
_emitMagic(rr, rr->metadataFile);
rr->initFrom = initFrom;
rr->initFromOffset = rr->metadataFile->seek(rr->metadataFile, 0, SEEK_CUR);
_emitTag(rr, rr->metadataFile, TAG_INIT | initFrom);
rr->streamId = 0;
rr->maxStreamId = 0;
_emitTag(rr, rr->metadataFile, TAG_MAX_STREAM);
rr->maxStreamIdOffset = rr->metadataFile->seek(rr->metadataFile, 0, SEEK_CUR);
rr->metadataFile->write(rr->metadataFile, &rr->maxStreamId, sizeof(rr->maxStreamId));
rr->rrCount = 0;
_emitTag(rr, rr->metadataFile, TAG_RR_COUNT);
rr->rrCountOffset = rr->metadataFile->seek(rr->metadataFile, 0, SEEK_CUR);
rr->metadataFile->write(rr->metadataFile, &rr->rrCount, sizeof(rr->rrCount));
return true;
}
bool _emitEnd(struct GBAMGMContext* mgm, struct VFile* vf) {
// TODO: Error check
_emitTag(mgm, vf, TAG_END);
_emitTag(mgm, vf, TAG_FRAME_COUNT);
vf->write(vf, &mgm->d.frames, sizeof(mgm->d.frames));
_emitTag(mgm, vf, TAG_LAG_COUNT);
vf->write(vf, &mgm->d.lagFrames, sizeof(mgm->d.lagFrames));
_emitTag(mgm, vf, TAG_NEXT_TIME);
uint32_t newStreamId = 0;
vf->write(vf, &newStreamId, sizeof(newStreamId));
return true;
}
bool _emitEnd(struct GBARRContext* rr, struct VFile* vf) {
// TODO: Error check
_emitTag(rr, vf, TAG_END);
_emitTag(rr, vf, TAG_FRAME_COUNT);
vf->write(vf, &rr->frames, sizeof(rr->frames));
_emitTag(rr, vf, TAG_LAG_COUNT);
vf->write(vf, &rr->lagFrames, sizeof(rr->lagFrames));
_emitTag(rr, vf, TAG_NEXT_TIME);
uint32_t newStreamId = 0;
vf->write(vf, &newStreamId, sizeof(newStreamId));
return true;
}
void GBARRLogInput(struct GBARRContext* rr, uint16_t keys) {
if (!GBARRIsRecording(rr)) {
return;
}
if (keys != rr->currentInput) {
_emitTag(rr, rr->movieStream, TAG_INPUT);
rr->movieStream->write(rr->movieStream, &keys, sizeof(keys));
rr->currentInput = keys;
}
GBALog(0, GBA_LOG_DEBUG, "[RR] Input log: %03X", rr->currentInput);
rr->inputThisFrame = true;
}
void GBAMGMNextFrame(struct GBARRContext* rr) {
if (!rr->isRecording(rr) && !rr->isPlaying(rr)) {
return;
}
struct GBAMGMContext* mgm = (struct GBAMGMContext*) rr;
if (rr->isPlaying(rr)) {
while (mgm->peekedTag == TAG_INPUT) {
_readTag(mgm, mgm->movieStream);
GBALog(0, GBA_LOG_WARN, "[RR] Desync detected!");
}
if (mgm->peekedTag == TAG_LAG) {
GBALog(0, GBA_LOG_DEBUG, "[RR] Lag frame marked in stream");
if (mgm->inputThisFrame) {
GBALog(0, GBA_LOG_WARN, "[RR] Lag frame in stream does not match movie");
}
}
}
++mgm->d.frames;
GBALog(0, GBA_LOG_DEBUG, "[RR] Frame: %u", mgm->d.frames);
if (!mgm->inputThisFrame) {
++mgm->d.lagFrames;
GBALog(0, GBA_LOG_DEBUG, "[RR] Lag frame: %u", mgm->d.lagFrames);
}
if (rr->isRecording(rr)) {
if (!mgm->inputThisFrame) {
_emitTag(mgm, mgm->movieStream, TAG_LAG);
}
_emitTag(mgm, mgm->movieStream, TAG_FRAME);
mgm->inputThisFrame = false;
} else {
if (!_seekTag(mgm, mgm->movieStream, TAG_FRAME)) {
_streamEndReached(mgm);
}
}
}
void GBAMGMLogInput(struct GBARRContext* rr, uint16_t keys) {
if (!rr->isRecording(rr)) {
return;
}
struct GBAMGMContext* mgm = (struct GBAMGMContext*) rr;
if (keys != mgm->currentInput) {
_emitTag(mgm, mgm->movieStream, TAG_INPUT);
mgm->movieStream->write(mgm->movieStream, &keys, sizeof(keys));
mgm->currentInput = keys;
}
GBALog(0, GBA_LOG_DEBUG, "[RR] Input log: %03X", mgm->currentInput);
mgm->inputThisFrame = true;
}
bool _incrementStream(struct GBAMGMContext* mgm, bool recursive) {
uint32_t newStreamId = mgm->maxStreamId + 1;
uint32_t oldStreamId = mgm->streamId;
if (mgm->d.isRecording(&mgm->d) && mgm->movieStream) {
if (!_markStreamNext(mgm, newStreamId, recursive)) {
return false;
}
}
if (!_loadStream(mgm, newStreamId)) {
return false;
}
GBALog(0, GBA_LOG_DEBUG, "[RR] New segment: %u", newStreamId);
_emitMagic(mgm, mgm->movieStream);
mgm->maxStreamId = newStreamId;
_emitTag(mgm, mgm->movieStream, TAG_PREVIOUSLY);
mgm->movieStream->write(mgm->movieStream, &oldStreamId, sizeof(oldStreamId));
_emitTag(mgm, mgm->movieStream, TAG_BEGIN);
mgm->metadataFile->seek(mgm->metadataFile, mgm->maxStreamIdOffset, SEEK_SET);
mgm->metadataFile->write(mgm->metadataFile, &mgm->maxStreamId, sizeof(mgm->maxStreamId));
mgm->previously = oldStreamId;
return true;
}
bool GBARRStartRecording(struct GBARRContext* rr) {
if (GBARRIsRecording(rr) || GBARRIsPlaying(rr)) {
return false;
}
if (!rr->maxStreamIdOffset) {
_emitTag(rr, rr->metadataFile, TAG_MAX_STREAM);
rr->maxStreamIdOffset = rr->metadataFile->seek(rr->metadataFile, 0, SEEK_CUR);
rr->metadataFile->write(rr->metadataFile, &rr->maxStreamId, sizeof(rr->maxStreamId));
}
rr->isRecording = true;
return GBARRIncrementStream(rr, false);
}
bool GBARRIncrementStream(struct GBARRContext* rr, bool recursive) {
uint32_t newStreamId = rr->maxStreamId + 1;
uint32_t oldStreamId = rr->streamId;
if (GBARRIsRecording(rr) && rr->movieStream) {
if (!_markStreamNext(rr, newStreamId, recursive)) {
return false;
}
}
if (!GBARRLoadStream(rr, newStreamId)) {
return false;
}
GBALog(0, GBA_LOG_DEBUG, "[RR] New segment: %u", newStreamId);
_emitMagic(rr, rr->movieStream);
rr->maxStreamId = newStreamId;
_emitTag(rr, rr->movieStream, TAG_PREVIOUSLY);
rr->movieStream->write(rr->movieStream, &oldStreamId, sizeof(oldStreamId));
_emitTag(rr, rr->movieStream, TAG_BEGIN);
rr->metadataFile->seek(rr->metadataFile, rr->maxStreamIdOffset, SEEK_SET);
rr->metadataFile->write(rr->metadataFile, &rr->maxStreamId, sizeof(rr->maxStreamId));
rr->previously = oldStreamId;
return true;
}
bool GBAMGMStartRecording(struct GBARRContext* rr) {
if (rr->isRecording(rr) || rr->isPlaying(rr)) {
return false;
}
struct GBAMGMContext* mgm = (struct GBAMGMContext*) rr;
if (!mgm->maxStreamIdOffset) {
_emitTag(mgm, mgm->metadataFile, TAG_MAX_STREAM);
mgm->maxStreamIdOffset = mgm->metadataFile->seek(mgm->metadataFile, 0, SEEK_CUR);
mgm->metadataFile->write(mgm->metadataFile, &mgm->maxStreamId, sizeof(mgm->maxStreamId));
}
mgm->isRecording = true;
return _incrementStream(mgm, false);
}
bool GBAMGMCreateStream(struct GBAMGMContext* mgm, enum GBARRInitFrom initFrom) {
if (mgm->metadataFile) {
mgm->metadataFile->truncate(mgm->metadataFile, 0);
} else {
mgm->metadataFile = mgm->streamDir->openFile(mgm->streamDir, METADATA_FILENAME, O_CREAT | O_TRUNC | O_RDWR);
}
_emitMagic(mgm, mgm->metadataFile);
mgm->d.initFrom = initFrom;
mgm->initFromOffset = mgm->metadataFile->seek(mgm->metadataFile, 0, SEEK_CUR);
_emitTag(mgm, mgm->metadataFile, TAG_INIT | initFrom);
mgm->streamId = 0;
mgm->maxStreamId = 0;
_emitTag(mgm, mgm->metadataFile, TAG_MAX_STREAM);
mgm->maxStreamIdOffset = mgm->metadataFile->seek(mgm->metadataFile, 0, SEEK_CUR);
mgm->metadataFile->write(mgm->metadataFile, &mgm->maxStreamId, sizeof(mgm->maxStreamId));
mgm->d.rrCount = 0;
_emitTag(mgm, mgm->metadataFile, TAG_RR_COUNT);
mgm->rrCountOffset = mgm->metadataFile->seek(mgm->metadataFile, 0, SEEK_CUR);
mgm->metadataFile->write(mgm->metadataFile, &mgm->d.rrCount, sizeof(mgm->d.rrCount));
return true;
}