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[client/obs] update to support downscaled frames coming from the host

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This commit is contained in:
Geoffrey McRae
2022-05-01 19:41:46 +10:00
parent 3134ec84de
commit eae559b4c9
6 changed files with 99 additions and 77 deletions
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50
obs/lg.c
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@@ -72,7 +72,9 @@ typedef struct
LGState state;
char * shmFile;
uint32_t formatVer;
uint32_t width, height;
uint32_t screenWidth, screenHeight;
uint32_t frameWidth, frameHeight;
struct vec2 screenScale;
FrameType type;
int bpp;
struct IVSHMEM shmDev;
@@ -574,10 +576,15 @@ static void lgVideoTick(void * data, float seconds)
KVMFRFrame * frame = (KVMFRFrame *)msg.mem;
if (!this->texture || this->formatVer != frame->formatVer)
{
this->formatVer = frame->formatVer;
this->width = frame->width;
this->height = frame->height;
this->type = frame->type;
this->formatVer = frame->formatVer;
this->screenWidth = frame->screenWidth;
this->screenHeight = frame->screenHeight;
this->frameWidth = frame->frameWidth;
this->frameHeight = frame->frameHeight;
this->type = frame->type;
this->screenScale.x = this->screenWidth / this->frameWidth ;
this->screenScale.y = this->screenHeight / this->frameHeight;
obs_enter_graphics();
if (this->texture)
@@ -626,12 +633,14 @@ static void lgVideoTick(void * data, float seconds)
#if LIBOBS_API_MAJOR_VER >= 27
if (this->dmabuf)
{
int fd = dmabufGetFd(this, &msg, frame, frame->height * frame->pitch);
int fd = dmabufGetFd(this, &msg, frame, frame->frameHeight * frame->pitch);
if (fd < 0)
goto dmabuf_fail;
this->texture = gs_texture_create_from_dmabuf(frame->width, frame->height,
this->texture = gs_texture_create_from_dmabuf(
frame->frameWidth,
frame->frameHeight,
drm_format, format, 1, &fd, &(uint32_t) { frame->pitch },
&(uint32_t) { 0 }, &(uint64_t) { 0 });
@@ -652,7 +661,7 @@ static void lgVideoTick(void * data, float seconds)
if (!this->texture)
this->texture = gs_texture_create(
this->width, this->height, format, 1, NULL, GS_DYNAMIC);
this->frameWidth, this->frameHeight, format, 1, NULL, GS_DYNAMIC);
if (!this->texture)
{
@@ -671,12 +680,12 @@ static void lgVideoTick(void * data, float seconds)
FrameBuffer * fb = (FrameBuffer *)(((uint8_t*)frame) + frame->offset);
framebuffer_read(
fb,
this->texData, // dst
this->linesize, // dstpitch
frame->height, // height
frame->width, // width
this->bpp, // bpp
frame->pitch // linepitch
this->texData, // dst
this->linesize, // dstpitch
frame->frameHeight, // height
frame->frameWidth, // width
this->bpp, // bpp
frame->pitch // linepitch
);
lgmpClientMessageDone(this->frameQueue);
@@ -716,8 +725,8 @@ static void lgVideoRender(void * data, gs_effect_t * effect)
{
.x = m4.t.x,
.y = m4.t.y,
.cx = (double)this->width * m4.x.x,
.cy = (double)this->height * m4.y.y
.cx = (double)this->frameWidth * m4.x.x,
.cy = (double)this->frameHeight * m4.y.y
};
gs_set_scissor_rect(&r);
@@ -726,7 +735,10 @@ static void lgVideoRender(void * data, gs_effect_t * effect)
gs_effect_set_texture(image, this->cursorTex);
gs_matrix_push();
gs_matrix_translate3f(this->cursorRect.x, this->cursorRect.y, 0.0f);
gs_matrix_translate3f(
this->cursorRect.x / this->screenScale.x,
this->cursorRect.y / this->screenScale.y,
0.0f);
if (!this->cursorMono)
{
@@ -765,13 +777,13 @@ static void lgVideoRender(void * data, gs_effect_t * effect)
static uint32_t lgGetWidth(void * data)
{
LGPlugin * this = (LGPlugin *)data;
return this->width;
return this->frameWidth;
}
static uint32_t lgGetHeight(void * data)
{
LGPlugin * this = (LGPlugin *)data;
return this->height;
return this->frameHeight;
}
struct obs_source_info lg_source =