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vo_xv: simplify screenshot code 

We now have a simple function to get a XvImage buffer as mp_image.
Return that as screenshot. We don't even need to copy the image (we
allocate a mp_image struct only, no image data).
This commit is contained in:
wm4 2012-10-07 04:33:46 +02:00
parent b03e357c69
commit a45ad346e4
1 changed files with 5 additions and 35 deletions
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40
libvo/vo_xv.c
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@ -422,42 +422,12 @@ static mp_image_t *get_screenshot(struct vo *vo)
struct xvctx *ctx = vo->priv;
// try to get an image without OSD
if (ctx->have_image_copy)
copy_backup_image(vo, ctx->visible_buf, ctx->num_buffers);
int id = ctx->have_image_copy ? ctx->num_buffers : ctx->visible_buf;
struct mp_image img = get_xv_buffer(vo, id);
img.w = ctx->image_d_width;
img.h = ctx->image_d_height;
XvImage *xv_image = ctx->xvimage[ctx->visible_buf];
int w = xv_image->width;
int h = xv_image->height;
mp_image_t *image = alloc_mpi(w, h, ctx->image_format);
int bytes = 1;
if (!(image->flags & MP_IMGFLAG_PLANAR) && (image->flags & MP_IMGFLAG_YUV))
// packed YUV
bytes = image->bpp / 8;
memcpy_pic(image->planes[0], xv_image->data + xv_image->offsets[0],
bytes * w, h, image->stride[0], xv_image->pitches[0]);
if (image->flags & MP_IMGFLAG_PLANAR) {
int swap = ctx->image_format == IMGFMT_YV12;
int p1 = swap ? 2 : 1;
int p2 = swap ? 1 : 2;
w /= 2;
h /= 2;
memcpy_pic(image->planes[p1], xv_image->data + xv_image->offsets[1],
w, h, image->stride[p1], xv_image->pitches[1]);
memcpy_pic(image->planes[p2], xv_image->data + xv_image->offsets[2],
w, h, image->stride[p2], xv_image->pitches[2]);
}
image->w = ctx->image_d_width;
image->h = ctx->image_d_height;
return image;
return talloc_memdup(NULL, &img, sizeof(img));
}
static uint32_t draw_image(struct vo *vo, mp_image_t *mpi)