mirror of https://github.com/mpv-player/mpv
64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
|
#pragma once
|
||
|
|
|
||
|
|
#include <stdbool.h>
|
||
|
|
|
||
|
|
#include <zimg.h>
|
||
|
|
|
||
|
|
#include "mp_image.h"
|
||
|
|
|
||
|
|
#define ZIMG_ALIGN 64
|
||
|
|
|
||
|
|
struct mpv_global;
|
||
|
|
|
||
|
|
bool mp_zimg_supports_in_format(int imgfmt);
|
||
|
|
bool mp_zimg_supports_out_format(int imgfmt);
|
||
|
|
|
||
|
|
struct mp_zimg_context {
|
||
|
|
// Can be set for verbose error printing.
|
||
|
|
struct mp_log *log;
|
||
|
|
|
||
|
|
// User configuration. Note: changing these requires calling mp_zimg_config()
|
||
|
|
// to update the filter graph. The first mp_zimg_convert() call (or if the
|
||
|
|
// image format changes) will do this automatically.
|
||
|
|
zimg_resample_filter_e scaler;
|
||
|
|
double scaler_params[2];
|
||
|
|
zimg_resample_filter_e scaler_chroma;
|
||
|
|
double scaler_chroma_params[2];
|
||
|
|
zimg_dither_type_e dither;
|
||
|
|
bool fast; // reduce quality for better performance
|
||
|
|
|
||
|
|
// Input/output parameters. Note: if these mismatch with the
|
||
|
|
// mp_zimg_convert() parameters, mp_zimg_config() will be called
|
||
|
|
// automatically.
|
||
|
|
struct mp_image_params src, dst;
|
||
|
|
|
||
|
|
// Cached zimg state (if any). Private, do not touch.
|
||
|
|
zimg_filter_graph *zimg_graph;
|
||
|
|
void *zimg_tmp;
|
||
|
|
struct mp_zimg_repack *zimg_src;
|
||
|
|
struct mp_zimg_repack *zimg_dst;
|
||
|
|
};
|
||
|
|
|
||
|
|
// Allocate a zimg context. Always succeeds. Returns a talloc pointer (use
|
||
|
|
// talloc_free() to release it).
|
||
|
|
struct mp_zimg_context *mp_zimg_alloc(void);
|
||
|
|
|
||
|
|
// Try to build the conversion chain using the parameters currently set in ctx.
|
||
|
|
// If this succeeds, mp_zimg_convert() will always succeed (probably), as long
|
||
|
|
// as the input has the same parameters.
|
||
|
|
// Returns false on error.
|
||
|
|
bool mp_zimg_config(struct mp_zimg_context *ctx);
|
||
|
|
|
||
|
|
// Similar to mp_zimg_config(), but assume none of the user parameters changed,
|
||
|
|
// except possibly .src and .dst. This essentially checks whether src/dst
|
||
|
|
// changed, and if so, calls mp_zimg_config().
|
||
|
|
bool mp_zimg_config_image_params(struct mp_zimg_context *ctx);
|
||
|
|
|
||
|
|
// Convert/scale src to dst. On failure, the data in dst is not touched.
|
||
|
|
bool mp_zimg_convert(struct mp_zimg_context *ctx, struct mp_image *dst,
|
||
|
|
struct mp_image *src);
|
||
|
|
|
||
|
|
// Set the global zimg command line parameters on this context. Use this if you
|
||
|
|
// want the user to be able to change the scaler etc.
|
||
|
|
void mp_zimg_set_from_cmdline(struct mp_zimg_context *ctx, struct mpv_global *g);
|