mirror of https://github.com/mpv-player/mpv
83 lines
2.6 KiB
C
83 lines
2.6 KiB
C
#ifndef MPLAYER_SWS_UTILS_H
|
|
#define MPLAYER_SWS_UTILS_H
|
|
|
|
#include <stdbool.h>
|
|
|
|
#include "mp_image.h"
|
|
|
|
struct mp_image;
|
|
struct mpv_global;
|
|
|
|
// libswscale currently requires 16 bytes alignment for row pointers and
|
|
// strides. Otherwise, it will print warnings and use slow codepaths.
|
|
// Guaranteed to be a power of 2 and > 1.
|
|
#define SWS_MIN_BYTE_ALIGN MP_IMAGE_BYTE_ALIGN
|
|
|
|
extern const int mp_sws_fast_flags;
|
|
|
|
bool mp_sws_supported_format(int imgfmt);
|
|
|
|
int mp_image_swscale(struct mp_image *dst, struct mp_image *src,
|
|
int my_sws_flags);
|
|
|
|
int mp_image_sw_blur_scale(struct mp_image *dst, struct mp_image *src,
|
|
float gblur);
|
|
|
|
enum mp_sws_scaler {
|
|
MP_SWS_AUTO = 0, // use command line
|
|
MP_SWS_SWS,
|
|
MP_SWS_ZIMG,
|
|
};
|
|
|
|
struct mp_sws_context {
|
|
// Can be set for verbose error printing.
|
|
struct mp_log *log;
|
|
// User configuration. These can be changed freely, at any time.
|
|
// mp_sws_scale() will handle the changes transparently.
|
|
int flags;
|
|
bool allow_zimg; // use zimg if available (ignores filters and all)
|
|
bool force_reload;
|
|
// These are also implicitly set by mp_sws_scale(), and thus optional.
|
|
// Setting them before that call makes sense when using mp_sws_reinit().
|
|
struct mp_image_params src, dst;
|
|
|
|
// This is unfortunately a hack: bypass command line choice
|
|
enum mp_sws_scaler force_scaler;
|
|
|
|
// If zimg is used. Need to manually invalidate cache (set force_reload).
|
|
// Conflicts with enabling command line opts.
|
|
struct zimg_opts *zimg_opts;
|
|
|
|
// Changing these requires setting force_reload=true.
|
|
// By default, they are NULL.
|
|
// Freeing the mp_sws_context will deallocate these if set.
|
|
struct SwsFilter *src_filter, *dst_filter;
|
|
double params[2];
|
|
|
|
// Cached context (if any)
|
|
struct SwsContext *sws;
|
|
bool supports_csp;
|
|
|
|
// Private.
|
|
struct m_config_cache *opts_cache;
|
|
struct mp_sws_context *cached; // contains parameters for which sws is valid
|
|
struct mp_zimg_context *zimg;
|
|
bool zimg_ok;
|
|
struct mp_image *aligned_src, *aligned_dst;
|
|
};
|
|
|
|
struct mp_sws_context *mp_sws_alloc(void *talloc_ctx);
|
|
void mp_sws_enable_cmdline_opts(struct mp_sws_context *ctx, struct mpv_global *g);
|
|
int mp_sws_reinit(struct mp_sws_context *ctx);
|
|
int mp_sws_scale(struct mp_sws_context *ctx, struct mp_image *dst,
|
|
struct mp_image *src);
|
|
|
|
bool mp_sws_supports_formats(struct mp_sws_context *ctx,
|
|
int imgfmt_out, int imgfmt_in);
|
|
|
|
struct mp_image *mp_img_swap_to_native(struct mp_image *img);
|
|
|
|
#endif /* MP_SWS_UTILS_H */
|
|
|
|
// vim: ts=4 sw=4 et tw=80
|