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Render 32-bit

This commit is contained in:
Themaister 2011-03-13 15:28:57 +01:00
parent 0f3171edea
commit 8053aca3c3
1 changed files with 102 additions and 3 deletions
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105
gfx/xvideo.c
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@ -58,7 +58,7 @@ struct xv
uint8_t *utable;
uint8_t *vtable;
void (*render_func)(xv_t*, const uint16_t *frame, unsigned width, unsigned height, unsigned pitch);
void (*render_func)(xv_t*, const void *frame, unsigned width, unsigned height, unsigned pitch);
};
@ -149,8 +149,9 @@ static void set_fullscreen(xv_t *xv)
&xev);
}
static void render_yuy2(xv_t *xv, const uint16_t *input, unsigned width, unsigned height, unsigned pitch)
static void render16_yuy2(xv_t *xv, const void *input_, unsigned width, unsigned height, unsigned pitch)
{
const uint16_t *input = input_;
uint16_t *output = (uint16_t*)xv->image->data;
for (unsigned y = 0; y < height; y++)
@ -163,6 +164,7 @@ static void render_yuy2(xv_t *xv, const uint16_t *input, unsigned width, unsigne
uint8_t u = (xv->utable[p0] + xv->utable[p1]) >> 1;
uint8_t v = (xv->vtable[p0] + xv->vtable[p1]) >> 1;
// TODO: Will this only work on little-endian?
*output++ = (u << 8) | xv->ytable[p0];
*output++ = (v << 8) | xv->ytable[p1];
}
@ -172,6 +174,87 @@ static void render_yuy2(xv_t *xv, const uint16_t *input, unsigned width, unsigne
}
}
static void render16_uyvy(xv_t *xv, const void *input_, unsigned width, unsigned height, unsigned pitch)
{
const uint16_t *input = input_;
uint16_t *output = (uint16_t*)xv->image->data;
for (unsigned y = 0; y < height; y++)
{
for (unsigned x = 0; x < width >> 1; x++)
{
uint16_t p0 = *input++;
uint16_t p1 = *input++;
uint8_t u = (xv->utable[p0] + xv->utable[p1]) >> 1;
uint8_t v = (xv->vtable[p0] + xv->vtable[p1]) >> 1;
// TODO: Will this only work on little-endian?
*output++ = (xv->ytable[p0] << 8) | u;
*output++ = (xv->ytable[p1] << 8) | v;
}
input += (pitch >> 1) - width;
output += xv->width - width;
}
}
static void render32_yuy2(xv_t *xv, const void *input_, unsigned width, unsigned height, unsigned pitch)
{
const uint32_t *input = input_;
uint16_t *output = (uint16_t*)xv->image->data;
for (unsigned y = 0; y < height; y++)
{
for (unsigned x = 0; x < width >> 1; x++)
{
uint32_t p0 = *input++;
uint32_t p1 = *input++;
p0 = ((p0 >> 9) & 0x7c00) | ((p0 >> 6) & 0x03e0) | ((p0 >> 3) & 0x1f); // RGBA -> RGB15
p1 = ((p1 >> 9) & 0x7c00) | ((p1 >> 6) & 0x03e0) | ((p1 >> 3) & 0x1f);
uint8_t u = (xv->utable[p0] + xv->utable[p1]) >> 1;
uint8_t v = (xv->vtable[p0] + xv->vtable[p1]) >> 1;
// TODO: Will this only work on little-endian?
*output++ = (u << 8) | xv->ytable[p0];
*output++ = (v << 8) | xv->ytable[p1];
}
input += (pitch >> 2) - width;
output += xv->width - width;
}
}
static void render32_uyvy(xv_t *xv, const void *input_, unsigned width, unsigned height, unsigned pitch)
{
const uint32_t *input = input_;
uint16_t *output = (uint16_t*)xv->image->data;
for (unsigned y = 0; y < height; y++)
{
for (unsigned x = 0; x < width >> 1; x++)
{
uint32_t p0 = *input++;
uint32_t p1 = *input++;
p0 = ((p0 >> 9) & 0x7c00) | ((p0 >> 6) & 0x03e0) | ((p0 >> 3) & 0x1f);
p1 = ((p1 >> 9) & 0x7c00) | ((p1 >> 6) & 0x03e0) | ((p1 >> 3) & 0x1f);
uint8_t u = (xv->utable[p0] + xv->utable[p1]) >> 1;
uint8_t v = (xv->vtable[p0] + xv->vtable[p1]) >> 1;
// TODO: Will this only work on little-endian?
*output++ = (xv->ytable[p0] << 8) | u;
*output++ = (xv->ytable[p1] << 8) | v;
}
input += (pitch >> 2) - width;
output += xv->width - width;
}
}
static void* xv_init(video_info_t *video, const input_driver_t **input, void **input_data)
{
xv_t *xv = calloc(1, sizeof(*xv));
@ -268,12 +351,28 @@ static void* xv_init(video_info_t *video, const input_driver_t **input, void **i
{
has_format = true;
xv->fourcc = format[i].id;
xv->render_func = render_yuy2;
xv->render_func = video->rgb32 ? render32_yuy2 : render16_yuy2;
break;
}
}
}
if (!has_format) for (int i = 0; i < format_count; i++)
{
if (format[i].type == XvYUV && format[i].bits_per_pixel == 16 && format[i].format == XvPacked)
{
if (format[i].component_order[0] == 'U' && format[i].component_order[1] == 'Y'
&& format[i].component_order[2] == 'V' && format[i].component_order[3] == 'Y')
{
has_format = true;
xv->fourcc = format[i].id;
xv->render_func = video->rgb32 ? render32_uyvy : render16_uyvy;
break;
}
}
}
free(format);
if (!has_format)
{