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(xvideo.c) Style nits

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This commit is contained in:
twinaphex 2016-02-26 17:24:36 +01:00
parent eaf08ad88c
commit 94b8e8820e
1 changed files with 63 additions and 57 deletions
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120
gfx/drivers/xvideo.c
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@ -77,15 +77,16 @@ typedef struct xv
static void xv_set_nonblock_state(void *data, bool state)
{
xv_t *xv = (xv_t*)data;
xv_t *xv = (xv_t*)data;
Atom atom = XInternAtom(g_x11_dpy, "XV_SYNC_TO_VBLANK", true);
if (atom != None && xv->port)
XvSetPortAttribute(g_x11_dpy, xv->port, atom, !state);
else
RARCH_WARN("Failed to set SYNC_TO_VBLANK attribute.\n");
}
static INLINE void calculate_yuv(uint8_t *y, uint8_t *u, uint8_t *v,
static INLINE void xv_calculate_yuv(uint8_t *y, uint8_t *u, uint8_t *v,
unsigned r, unsigned g, unsigned b)
{
int y_ = (int)(+((double)r * 0.257) + ((double)g * 0.504)
@ -95,9 +96,9 @@ static INLINE void calculate_yuv(uint8_t *y, uint8_t *u, uint8_t *v,
int v_ = (int)(+((double)r * 0.439) - ((double)g * 0.368)
- ((double)b * 0.071) + 128.0);
*y = y_ < 0 ? 0 : (y_ > 255 ? 255 : y_);
*u = y_ < 0 ? 0 : (u_ > 255 ? 255 : u_);
*v = v_ < 0 ? 0 : (v_ > 255 ? 255 : v_);
*y = y_ < 0 ? 0 : (y_ > 255 ? 255 : y_);
*u = y_ < 0 ? 0 : (u_ > 255 ? 255 : u_);
*v = v_ < 0 ? 0 : (v_ > 255 ? 255 : v_);
}
static void init_yuv_tables(xv_t *xv)
@ -110,12 +111,15 @@ static void init_yuv_tables(xv_t *xv)
for (i = 0; i < 0x10000; i++)
{
/* Extract RGB565 color data from i */
unsigned r = (i >> 11) & 0x1f, g = (i >> 5) & 0x3f, b = (i >> 0) & 0x1f;
r = (r << 3) | (r >> 2); /* R5->R8 */
g = (g << 2) | (g >> 4); /* G6->G8 */
b = (b << 3) | (b >> 2); /* B5->B8 */
unsigned r = (i >> 11) & 0x1f;
unsigned g = (i >> 5) & 0x3f;
unsigned b = (i >> 0) & 0x1f;
r = (r << 3) | (r >> 2); /* R5->R8 */
g = (g << 2) | (g >> 4); /* G6->G8 */
b = (b << 3) | (b >> 2); /* B5->B8 */
calculate_yuv(&xv->ytable[i], &xv->utable[i], &xv->vtable[i], r, g, b);
xv_calculate_yuv(&xv->ytable[i],
&xv->utable[i], &xv->vtable[i], r, g, b);
}
}
@ -138,7 +142,7 @@ static void xv_init_font(xv_t *xv, const char *font_path, unsigned font_size)
b = settings->video.msg_color_b * 255;
b = (b < 0 ? 0 : (b > 255 ? 255 : b));
calculate_yuv(&xv->font_y, &xv->font_u, &xv->font_v,
xv_calculate_yuv(&xv->font_y, &xv->font_u, &xv->font_v,
r, g, b);
}
else
@ -152,21 +156,20 @@ static void render16_yuy2(xv_t *xv, const void *input_,
{
unsigned x, y;
const uint16_t *input = (const uint16_t*)input_;
uint8_t *output = (uint8_t*)xv->image->data;
uint8_t *output = (uint8_t*)xv->image->data;
for (y = 0; y < height; y++)
{
for (x = 0; x < width; x++)
{
uint16_t p = *input++;
uint8_t y0 = xv->ytable[p];
uint8_t u = xv->utable[p];
uint8_t v = xv->vtable[p];
uint16_t p = *input++;
uint8_t y0 = xv->ytable[p];
uint8_t u = xv->utable[p];
uint8_t v = xv->vtable[p];
unsigned img_width = xv->width << 1;
output[0] = output[img_width] = y0;
output[0] = output[img_width] = y0;
output[1] = output[img_width + 1] = u;
output[2] = output[img_width + 2] = y0;
output[3] = output[img_width + 3] = v;
@ -183,21 +186,19 @@ static void render16_uyvy(xv_t *xv, const void *input_,
{
unsigned x, y;
const uint16_t *input = (const uint16_t*)input_;
uint8_t *output = (uint8_t*)xv->image->data;
uint8_t *output = (uint8_t*)xv->image->data;
for (y = 0; y < height; y++)
{
for (x = 0; x < width; x++)
{
uint16_t p = *input++;
uint8_t y0 = xv->ytable[p];
uint8_t u = xv->utable[p];
uint8_t v = xv->vtable[p];
uint16_t p = *input++;
uint8_t y0 = xv->ytable[p];
uint8_t u = xv->utable[p];
uint8_t v = xv->vtable[p];
unsigned img_width = xv->width << 1;
output[0] = output[img_width] = u;
output[0] = output[img_width] = u;
output[1] = output[img_width + 1] = y0;
output[2] = output[img_width + 2] = v;
output[3] = output[img_width + 3] = y0;
@ -214,7 +215,7 @@ static void render32_yuy2(xv_t *xv, const void *input_,
{
unsigned x, y;
const uint32_t *input = (const uint32_t*)input_;
uint8_t *output = (uint8_t*)xv->image->data;
uint8_t *output = (uint8_t*)xv->image->data;
for (y = 0; y < height; y++)
{
@ -226,9 +227,9 @@ static void render32_yuy2(xv_t *xv, const void *input_,
p = ((p >> 8) & 0xf800) | ((p >> 5) & 0x07e0)
| ((p >> 3) & 0x1f); /* ARGB -> RGB16 */
y0 = xv->ytable[p];
u = xv->utable[p];
v = xv->vtable[p];
y0 = xv->ytable[p];
u = xv->utable[p];
v = xv->vtable[p];
img_width = xv->width << 1;
output[0] = output[img_width] = y0;
@ -248,7 +249,7 @@ static void render32_uyvy(xv_t *xv, const void *input_,
{
unsigned x, y;
const uint32_t *input = (const uint32_t*)input_;
uint16_t *output = (uint16_t*)xv->image->data;
uint16_t *output = (uint16_t*)xv->image->data;
for (y = 0; y < height; y++)
{
@ -260,9 +261,9 @@ static void render32_uyvy(xv_t *xv, const void *input_,
p = ((p >> 8) & 0xf800)
| ((p >> 5) & 0x07e0) | ((p >> 3) & 0x1f); /* ARGB -> RGB16 */
y0 = xv->ytable[p];
u = xv->utable[p];
v = xv->vtable[p];
y0 = xv->ytable[p];
u = xv->utable[p];
v = xv->vtable[p];
img_width = xv->width << 1;
output[0] = output[img_width] = u;
@ -308,13 +309,14 @@ static const struct format_desc formats[] = {
},
};
static bool adaptor_set_format(xv_t *xv, Display *dpy,
static bool xv_adaptor_set_format(xv_t *xv, Display *dpy,
XvPortID port, const video_info_t *video)
{
int i;
unsigned j;
int format_count;
XvImageFormatValues *format = XvListImageFormats(g_x11_dpy, port, &format_count);
XvImageFormatValues *format = XvListImageFormats(
g_x11_dpy, port, &format_count);
if (!format)
return false;
@ -351,21 +353,23 @@ static bool adaptor_set_format(xv_t *xv, Display *dpy,
return false;
}
static void calc_out_rect(bool keep_aspect, struct video_viewport *vp,
static void xv_calc_out_rect(bool keep_aspect,
struct video_viewport *vp,
unsigned vp_width, unsigned vp_height)
{
settings_t *settings = config_get_ptr();
vp->full_width = vp_width;
vp->full_height = vp_height;
vp->full_width = vp_width;
vp->full_height = vp_height;
if (settings->video.scale_integer)
video_viewport_get_scaled_integer(vp, vp_width, vp_height,
video_driver_get_aspect_ratio(), keep_aspect);
else if (!keep_aspect)
{
vp->x = 0; vp->y = 0;
vp->width = vp_width;
vp->x = 0;
vp->y = 0;
vp->width = vp_width;
vp->height = vp_height;
}
else
@ -379,25 +383,26 @@ static void calc_out_rect(bool keep_aspect, struct video_viewport *vp,
*/
if (fabs(device_aspect - desired_aspect) < 0.0001)
{
vp->x = 0; vp->y = 0;
vp->width = vp_width;
vp->height = vp_height;
vp->x = 0;
vp->y = 0;
vp->width = vp_width;
vp->height = vp_height;
}
else if (device_aspect > desired_aspect)
{
float delta = (desired_aspect / device_aspect - 1.0) / 2.0 + 0.5;
vp->x = vp_width * (0.5 - delta);
vp->y = 0;
vp->width = 2.0 * vp_width * delta;
vp->height = vp_height;
vp->x = vp_width * (0.5 - delta);
vp->y = 0;
vp->width = 2.0 * vp_width * delta;
vp->height = vp_height;
}
else
{
float delta = (device_aspect / desired_aspect - 1.0) / 2.0 + 0.5;
vp->x = 0;
vp->y = vp_height * (0.5 - delta);
vp->width = vp_width;
vp->height = 2.0 * vp_height * delta;
vp->x = 0;
vp->y = vp_height * (0.5 - delta);
vp->width = vp_width;
vp->height = 2.0 * vp_height * delta;
}
}
}
@ -460,7 +465,8 @@ static void *xv_init(const video_info_t *video,
continue;
if (!(adaptor_info[i].type & XvImageMask))
continue;
if (!adaptor_set_format(xv, g_x11_dpy, adaptor_info[i].base_id, video))
if (!xv_adaptor_set_format(xv, g_x11_dpy,
adaptor_info[i].base_id, video))
continue;
xv->port = adaptor_info[i].base_id;
@ -584,7 +590,7 @@ static void *xv_init(const video_info_t *video,
goto error;
XGetWindowAttributes(g_x11_dpy, g_x11_win, &target);
calc_out_rect(xv->keep_aspect, &xv->vp, target.width, target.height);
xv_calc_out_rect(xv->keep_aspect, &xv->vp, target.width, target.height);
xv->vp.full_width = target.width;
xv->vp.full_height = target.height;
@ -597,7 +603,7 @@ error:
return NULL;
}
static bool check_resize(xv_t *xv, unsigned width, unsigned height)
static bool xv_check_resize(xv_t *xv, unsigned width, unsigned height)
{
/* We render @ 2x scale to combat chroma downsampling. */
if (xv->width != (width << 1) || xv->height != (height << 1))
@ -774,13 +780,13 @@ static bool xv_frame(void *data, const void *frame, unsigned width,
if (!frame)
return true;
if (!check_resize(xv, width, height))
if (!xv_check_resize(xv, width, height))
return false;
XGetWindowAttributes(g_x11_dpy, g_x11_win, &target);
xv->render_func(xv, frame, width, height, pitch);
calc_out_rect(xv->keep_aspect, &xv->vp, target.width, target.height);
xv_calc_out_rect(xv->keep_aspect, &xv->vp, target.width, target.height);
xv->vp.full_width = target.width;
xv->vp.full_height = target.height;