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vo_opengl: videotoolbox: use kCVPixelBufferLock_ReadOnly for screenshots

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Why not.
This commit is contained in:
wm4 2016-04-07 19:55:51 +02:00
parent f033481551
commit 0812719497
1 changed files with 8 additions and 7 deletions
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15
video/out/opengl/hwdec_osx.c
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@ -101,16 +101,15 @@ static struct mp_image *download_image(struct mp_hwdec_ctx *ctx,
if (hw_image->imgfmt != IMGFMT_VIDEOTOOLBOX)
return NULL;
struct mp_image *image = NULL;
CVPixelBufferRef pbuf = (CVPixelBufferRef)hw_image->planes[3];
CVPixelBufferLockBaseAddress(pbuf, 0);
CVPixelBufferLockBaseAddress(pbuf, kCVPixelBufferLock_ReadOnly);
size_t width = CVPixelBufferGetWidth(pbuf);
size_t height = CVPixelBufferGetHeight(pbuf);
uint32_t cvpixfmt = CVPixelBufferGetPixelFormatType(pbuf);
struct vt_format *f = vt_get_gl_format(cvpixfmt);
if (!f) {
CVPixelBufferUnlockBaseAddress(pbuf, 0);
return NULL;
}
if (!f)
goto unlock;
struct mp_image img = {0};
mp_image_setfmt(&img, f->imgfmt);
@ -125,8 +124,10 @@ static struct mp_image *download_image(struct mp_hwdec_ctx *ctx,
mp_image_copy_attributes(&img, hw_image);
struct mp_image *image = mp_image_pool_new_copy(swpool, &img);
CVPixelBufferUnlockBaseAddress(pbuf, 0);
image = mp_image_pool_new_copy(swpool, &img);
unlock:
CVPixelBufferUnlockBaseAddress(pbuf, kCVPixelBufferLock_ReadOnly);
return image;
}