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mp_image: add mp_image_to_av_frame()

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What mp_image_to_av_frame_and_unref() should have been. (The _unref
variant is still useful though.)
This commit is contained in:
wm4 2016-04-15 15:33:53 +02:00
parent e6cdfdfa74
commit d04aa5ef4e
2 changed files with 10 additions and 6 deletions
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15
video/mp_image.c
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@ -729,14 +729,9 @@ struct mp_image *mp_image_from_av_frame(struct AVFrame *av_frame)
}
// Convert the mp_image reference to a AVFrame reference.
// Warning: img is unreferenced (i.e. free'd). This is asymmetric to
// mp_image_from_av_frame(). It was done as some sort of optimization,
// but now these semantics are pointless.
// On failure, img is only unreffed.
struct AVFrame *mp_image_to_av_frame_and_unref(struct mp_image *img)
struct AVFrame *mp_image_to_av_frame(struct mp_image *img)
{
struct mp_image *new_ref = mp_image_new_ref(img);
talloc_free(img);
AVFrame *frame = av_frame_alloc();
if (!frame || !new_ref) {
talloc_free(new_ref);
@ -754,6 +749,14 @@ struct AVFrame *mp_image_to_av_frame_and_unref(struct mp_image *img)
return frame;
}
// Same as mp_image_to_av_frame(), but unref img. (It does so even on failure.)
struct AVFrame *mp_image_to_av_frame_and_unref(struct mp_image *img)
{
AVFrame *frame = mp_image_to_av_frame(img);
talloc_free(img);
return frame;
}
void memcpy_pic(void *dst, const void *src, int bytesPerLine, int height,
int dstStride, int srcStride)
{

1
video/mp_image.h
View File

@ -159,6 +159,7 @@ void mp_image_copy_fields_from_av_frame(struct mp_image *dst,
void mp_image_copy_fields_to_av_frame(struct AVFrame *dst,
struct mp_image *src);
struct mp_image *mp_image_from_av_frame(struct AVFrame *av_frame);
struct AVFrame *mp_image_to_av_frame(struct mp_image *img);
struct AVFrame *mp_image_to_av_frame_and_unref(struct mp_image *img);
void memcpy_pic(void *dst, const void *src, int bytesPerLine, int height,