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🎥 Command line media player
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C
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970#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);
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; int brightness, contrast, saturation; 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;
// 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_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