mirror of
https://github.com/mpv-player/mpv
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49f9146fe4
This just wraps the mp_image_hw_download() function as a filter and adds some minor caching/error logging. (Shame that it needs to much boilerplate, I guess.) Will be used by the following commit. Wrapping it as filter seemed more convenient than other choices.
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
#pragma once
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#include "filter.h"
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// A filter which uploads sw frames to hw. Ignores hw frames.
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struct mp_hwupload {
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struct mp_filter *f;
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// Hardware wrapper format, e.g. IMGFMT_VAAPI.
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int hw_imgfmt;
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// List of supported underlying surface formats.
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int *fmts;
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int num_fmts;
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// List of supported upload image formats. May contain duplicate entries
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// (which should be ignored).
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int *upload_fmts;
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int num_upload_fmts;
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// For fmts[n], fmt_upload_index[n] gives the index of the first supported
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// upload format in upload_fmts[], and fmt_upload_num[n] gives the number
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// of formats at this position.
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int *fmt_upload_index;
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int *fmt_upload_num;
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};
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struct mp_hwupload *mp_hwupload_create(struct mp_filter *parent, int hw_imgfmt);
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// Return the best format suited for upload that is supported for a given input
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// imgfmt. This returns the same as imgfmt if the format is natively supported,
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// and otherwise a format that likely results in the least loss.
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// Returns 0 if completely unsupported.
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int mp_hwupload_find_upload_format(struct mp_hwupload *u, int imgfmt);
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// A filter which downloads sw frames from hw. Ignores sw frames.
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struct mp_hwdownload {
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struct mp_filter *f;
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struct mp_image_pool *pool;
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};
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struct mp_hwdownload *mp_hwdownload_create(struct mp_filter *parent);
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