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🎥 Command line media player
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C
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#ifndef MPLAYER_SUB_H#define MPLAYER_SUB_H
#include <stddef.h>#include <stdbool.h>#include <stdint.h>
#include "options/m_option.h"
// NOTE: VOs must support at least SUBBITMAP_BGRA.enum sub_bitmap_format { SUBBITMAP_EMPTY = 0,// no bitmaps; always has num_parts==0 SUBBITMAP_LIBASS, // A8, with a per-surface blend color (libass.color) SUBBITMAP_BGRA, // IMGFMT_BGRA (MSB=A, LSB=B), scaled, premultiplied alpha
SUBBITMAP_COUNT};
struct sub_bitmap { void *bitmap; int stride; // Note: not clipped, going outside the screen area is allowed // (except for SUBBITMAP_LIBASS, which is always clipped) int w, h; int x, y; int dw, dh;
// If the containing struct sub_bitmaps has the packed field set, then this // is the position within the source. (Strictly speaking this is redundant // with the bitmap pointer.) int src_x, src_y;
struct { uint32_t color; } libass;};
struct sub_bitmaps { // For VO cache state (limited by MAX_OSD_PARTS) int render_index;
enum sub_bitmap_format format;
struct sub_bitmap *parts; int num_parts;
// Packed representation of the bitmap data. If non-NULL, then the // parts[].bitmap pointer points into the image data here (and stride will // correspond to packed->stride[0]). // SUBBITMAP_BGRA: IMGFMT_BGRA (exact match) // SUBBITMAP_LIBASS: IMGFMT_Y8 (not the same, but compatible layout) // Other formats have this set to NULL. struct mp_image *packed;
// Bounding box for the packed image. All parts will be within the bounding // box. (The origin of the box is at (0,0).) int packed_w, packed_h;
int change_id; // Incremented on each change (0 is never used)
bool video_color_space; // True if the bitmap is in video color space};
struct sub_bitmap_list { // Combined change_id - of any of the existing items change (even if they // e.g. go away and are removed from items[]), this is incremented. int64_t change_id;
// Bounding box for rendering. It's notable that SUBBITMAP_LIBASS images are // always within these bounds, while SUBBITMAP_BGRA is not necessarily. int w, h;
// Sorted by sub_bitmaps.render_index. Unused parts are not in the array, // and you cannot index items[] with render_index. struct sub_bitmaps **items; int num_items;};
struct sub_bitmap_copy_cache;struct sub_bitmaps *sub_bitmaps_copy(struct sub_bitmap_copy_cache **cache, struct sub_bitmaps *in);
struct mp_osd_res { int w, h; // screen dimensions, including black borders int mt, mb, ml, mr; // borders (top, bottom, left, right) double display_par;};
bool osd_res_equals(struct mp_osd_res a, struct mp_osd_res b);
// 0 <= sub_bitmaps.render_index < MAX_OSD_PARTS#define MAX_OSD_PARTS 5
// Start of OSD symbols in osd_font.pfb#define OSD_CODEPOINTS 0xE000
// OSD symbols. osd_font.pfb has them starting from codepoint OSD_CODEPOINTS.// Symbols with a value >= 32 are normal unicode codepoints.enum mp_osd_font_codepoints { OSD_PLAY = 0x01, OSD_PAUSE = 0x02, OSD_REW = 0x04, OSD_FFW = 0x05, OSD_CLOCK = 0x06, OSD_CONTRAST = 0x07, OSD_SATURATION = 0x08, OSD_VOLUME = 0x09, OSD_BRIGHTNESS = 0x0A, OSD_HUE = 0x0B, OSD_REV = 0x0D, OSD_PANSCAN = 0x50,};
// Never valid UTF-8, so we expect it's free for use.// Specially interpreted by osd_libass.c, in order to allow/escape ASS tags.#define OSD_ASS_0 "\xFD"#define OSD_ASS_1 "\xFE"
struct osd_style_opts { char *font; float font_size; struct m_color color; struct m_color outline_color; struct m_color back_color; int border_style; float outline_size; float shadow_offset; float spacing; int margin_x; int margin_y; int align_x; int align_y; float blur; bool bold; bool italic; int justify; int font_provider; char *fonts_dir;};
struct osd_bar_style_opts { float align_x; float align_y; float w; float h; float outline_size; float marker_scale; float marker_min_size; int marker_style;};
extern const struct m_sub_options osd_style_conf;extern const struct m_sub_options sub_style_conf;extern const struct m_sub_options osd_bar_style_conf;
struct osd_state;struct osd_object;struct mpv_global;struct dec_sub;
struct osd_state *osd_create(struct mpv_global *global);void osd_changed(struct osd_state *osd);void osd_free(struct osd_state *osd);
bool osd_query_and_reset_want_redraw(struct osd_state *osd);
void osd_set_text(struct osd_state *osd, const char *text);void osd_set_sub(struct osd_state *osd, int index, struct dec_sub *dec_sub);
bool osd_get_render_subs_in_filter(struct osd_state *osd);void osd_set_render_subs_in_filter(struct osd_state *osd, bool s);void osd_set_force_video_pts(struct osd_state *osd, double video_pts);double osd_get_force_video_pts(struct osd_state *osd);
struct osd_progbar_state { int type; // <0: disabled, 1-255: symbol, else: no symbol float value; // range 0.0-1.0 float *stops; // used for chapter indicators (0.0-1.0 each) int num_stops;};void osd_set_progbar(struct osd_state *osd, struct osd_progbar_state *s);
void osd_set_external2(struct osd_state *osd, struct sub_bitmaps *imgs);
enum mp_osd_draw_flags { OSD_DRAW_SUB_FILTER = (1 << 0), OSD_DRAW_SUB_ONLY = (1 << 1), OSD_DRAW_OSD_ONLY = (1 << 2),};
void osd_draw(struct osd_state *osd, struct mp_osd_res res, double video_pts, int draw_flags, const bool formats[SUBBITMAP_COUNT], void (*cb)(void *ctx, struct sub_bitmaps *imgs), void *cb_ctx);
struct sub_bitmap_list *osd_render(struct osd_state *osd, struct mp_osd_res res, double video_pts, int draw_flags, const bool formats[SUBBITMAP_COUNT]);
struct mp_image;void osd_draw_on_image(struct osd_state *osd, struct mp_osd_res res, double video_pts, int draw_flags, struct mp_image *dest);
struct mp_image_pool;void osd_draw_on_image_p(struct osd_state *osd, struct mp_osd_res res, double video_pts, int draw_flags, struct mp_image_pool *pool, struct mp_image *dest);
void osd_resize(struct osd_state *osd, struct mp_osd_res res);
struct mp_image_params;struct mp_osd_res osd_res_from_image_params(const struct mp_image_params *p);
struct mp_osd_res osd_get_vo_res(struct osd_state *osd);
void osd_rescale_bitmaps(struct sub_bitmaps *imgs, int frame_w, int frame_h, struct mp_osd_res res, double compensate_par);
struct osd_external_ass { void *owner; // unique pointer (NULL is also allowed) int64_t id; int format; char *data; int res_x, res_y; int z; bool hidden;
double *out_rc; // hack to pass boundary rect, [x0, y0, x1, y1]};
// defined in osd_libass.c and osd_dummy.cvoid osd_set_external(struct osd_state *osd, struct osd_external_ass *ov);void osd_set_external_remove_owner(struct osd_state *osd, void *owner);void osd_get_text_size(struct osd_state *osd, int *out_screen_h, int *out_font_h);void osd_get_function_sym(char *buffer, size_t buffer_size, int osd_function);void osd_mangle_ass(bstr *dst, const char *in, bool replace_newlines);
#endif /* MPLAYER_SUB_H */