ShuriZma
/
mgba
mirror of https://github.com/mgba-emu/mgba.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

GB Video: Fix video frames getting missed when LCDC is off

This commit is contained in:
Jeffrey Pfau 2016-09-21 14:10:42 -07:00
parent 1e10098e33
commit b309e9894c
2 changed files with 20 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
CHANGES
View File

@ -6,6 +6,7 @@ Bugfixes:
- Qt: Fix "close" button on Overrides view
- Qt: Fix saving overrides
- FFmpeg: Fix encoding AAC
- GB Video: Fix video frames getting missed when LCDC is off
Misc:
- All: Only update version info if needed
- FFmpeg: Encoding cleanup

34
src/gb/video.c
View File

@ -91,8 +91,10 @@ int32_t GBVideoProcessEvents(struct GBVideo* video, int32_t cycles) {
video->nextEvent -= cycles;
}
if (video->nextEvent <= 0) {
if (video->nextEvent != INT_MAX) {
if (video->nextMode != INT_MAX) {
video->nextMode -= video->eventDiff;
}
if (video->nextFrame != INT_MAX) {
video->nextFrame -= video->eventDiff;
}
video->nextEvent = INT_MAX;
@ -116,24 +118,11 @@ int32_t GBVideoProcessEvents(struct GBVideo* video, int32_t cycles) {
} else {
video->nextMode = GB_VIDEO_HORIZONTAL_LENGTH;
video->mode = 1;
--video->frameskipCounter;
if (video->frameskipCounter < 0) {
mCoreSyncPostFrame(video->p->sync);
video->frameskipCounter = video->frameskip;
}
++video->frameCounter;
if (video->nextFrame != 0) {
video->nextFrame = 0;
}
if (video->p->stream && video->p->stream->postVideoFrame) {
const color_t* pixels;
size_t stride;
video->renderer->getPixels(video->renderer, &stride, (const void**) &pixels);
video->p->stream->postVideoFrame(video->p->stream, pixels, stride);
}
if (GBRegisterSTATIsVblankIRQ(video->stat) || GBRegisterSTATIsOAMIRQ(video->stat)) {
video->p->memory.io[REG_IF] |= (1 << GB_IRQ_LCDSTAT);
}
@ -209,6 +198,21 @@ int32_t GBVideoProcessEvents(struct GBVideo* video, int32_t cycles) {
if (video->p->cpu->executionState == LR35902_CORE_FETCH) {
GBFrameEnded(video->p);
video->nextFrame = GB_VIDEO_TOTAL_LENGTH;
video->nextEvent = GB_VIDEO_TOTAL_LENGTH;
--video->frameskipCounter;
if (video->frameskipCounter < 0) {
mCoreSyncPostFrame(video->p->sync);
video->frameskipCounter = video->frameskip;
}
++video->frameCounter;
if (video->p->stream && video->p->stream->postVideoFrame) {
const color_t* pixels;
size_t stride;
video->renderer->getPixels(video->renderer, &stride, (const void**) &pixels);
video->p->stream->postVideoFrame(video->p->stream, pixels, stride);
}
struct mCoreThread* thread = mCoreThreadGet();
mCoreThreadFrameStarted(thread);
} else {
@ -296,7 +300,7 @@ void GBVideoWriteLCDC(struct GBVideo* video, GBRegisterLCDC value) {
if (GBRegisterLCDCIsEnable(video->p->memory.io[REG_LCDC]) && !GBRegisterLCDCIsEnable(value)) {
video->mode = 0;
video->nextMode = INT_MAX;
video->nextEvent = INT_MAX;
video->nextEvent = video->nextFrame;
video->stat = GBRegisterSTATSetMode(video->stat, video->mode);
video->p->memory.io[REG_STAT] = video->stat;
video->ly = 0;