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https://github.com/mpv-player/mpv
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be5994a781
The intention is that we can test vo_opengl with high bit depth PNGs better. This throws libswscale completely out of the loop, which before was needed in order to convert from big endian to little endian. Also apply a minimal cleanup to fmt-conversion.c (unrelated).
67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
#ifndef MPLAYER_SWS_UTILS_H
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#define MPLAYER_SWS_UTILS_H
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#include <stdbool.h>
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#include "mp_image.h"
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struct mp_image;
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struct sws_opts;
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// libswscale currently requires 16 bytes alignment for row pointers and
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// strides. Otherwise, it will print warnings and use slow codepaths.
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// Guaranteed to be a power of 2 and > 1.
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#define SWS_MIN_BYTE_ALIGN 16
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extern const int mp_sws_hq_flags;
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extern const int mp_sws_fast_flags;
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bool mp_sws_supported_format(int imgfmt);
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int mp_image_swscale(struct mp_image *dst, struct mp_image *src,
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int my_sws_flags);
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int mp_image_sw_blur_scale(struct mp_image *dst, struct mp_image *src,
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float gblur);
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struct mp_sws_context {
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// Can be set for verbose error printing.
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struct mp_log *log;
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// User configuration. These can be changed freely, at any time.
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// mp_sws_scale() will handle the changes transparently.
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int flags;
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int brightness, contrast, saturation;
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bool force_reload;
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// These are also implicitly set by mp_sws_scale(), and thus optional.
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// Setting them before that call makes sense when using mp_sws_reinit().
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struct mp_image_params src, dst;
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// Changing these requires setting force_reload=true.
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// By default, they are NULL.
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// Freeing the mp_sws_context will deallocate these if set.
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struct SwsFilter *src_filter, *dst_filter;
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double params[2];
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// Cached context (if any)
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struct SwsContext *sws;
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// Contains parameters for which sws is valid
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struct mp_sws_context *cached;
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};
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struct mp_sws_context *mp_sws_alloc(void *talloc_ctx);
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int mp_sws_reinit(struct mp_sws_context *ctx);
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void mp_sws_set_from_cmdline(struct mp_sws_context *ctx, struct sws_opts *opts);
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int mp_sws_scale(struct mp_sws_context *ctx, struct mp_image *dst,
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struct mp_image *src);
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struct vf_seteq;
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int mp_sws_set_vf_equalizer(struct mp_sws_context *sws, struct vf_seteq *eq);
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int mp_sws_get_vf_equalizer(struct mp_sws_context *sws, struct vf_seteq *eq);
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struct mp_image *mp_img_swap_to_native(struct mp_image *img);
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#endif /* MP_SWS_UTILS_H */
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// vim: ts=4 sw=4 et tw=80
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