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https://github.com/mpv-player/mpv
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6aad532aa3
Remove them from the big MPOpts struct and move them to their sub structs. In the places where their fields are used, create a private copy of the structs, instead of accessing the semi-deprecated global option struct instance (mpv_global.opts) directly. This actually makes accessing these options finally thread-safe. They weren't even if they should have for years. (Including some potential for undefined behavior when e.g. the OSD font was changed at runtime.) This is mostly transparent. All options get moved around, but most users of the options just need to access a different struct (changing sd.opts to a different type changes a lot of uses, for example). One thing which has to be considered and could cause potential regressions is that the new option copies must be explicitly updated. sub_update_opts() takes care of this for example. Another thing is that writing to the option structs manually won't work, because the changes won't be propagated to other copies. Apparently the only affected case is the implementation of the sub-step command, which tries to change sub_delay. Handle this one explicitly (osd_changed() doesn't need to be called anymore, because changing the option triggers UPDATE_OSD, and updates the OSD as a consequence). The way the option value is propagated is rather hacky, but for now this will do.
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
#ifndef MPLAYER_DEC_SUB_H
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#define MPLAYER_DEC_SUB_H
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#include <stdbool.h>
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#include <stdint.h>
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#include "osd.h"
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struct sh_stream;
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struct mpv_global;
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struct demux_packet;
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struct mp_recorder_sink;
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struct dec_sub;
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struct sd;
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enum sd_ctrl {
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SD_CTRL_SUB_STEP,
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SD_CTRL_SET_VIDEO_PARAMS,
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SD_CTRL_SET_TOP,
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SD_CTRL_SET_VIDEO_DEF_FPS,
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};
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struct attachment_list {
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struct demux_attachment *entries;
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int num_entries;
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};
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struct dec_sub *sub_create(struct mpv_global *global, struct sh_stream *sh,
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struct attachment_list *attachments);
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void sub_destroy(struct dec_sub *sub);
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void sub_lock(struct dec_sub *sub);
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void sub_unlock(struct dec_sub *sub);
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bool sub_can_preload(struct dec_sub *sub);
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void sub_preload(struct dec_sub *sub);
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bool sub_read_packets(struct dec_sub *sub, double video_pts);
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void sub_get_bitmaps(struct dec_sub *sub, struct mp_osd_res dim, int format,
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double pts, struct sub_bitmaps *res);
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char *sub_get_text(struct dec_sub *sub, double pts);
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void sub_reset(struct dec_sub *sub);
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void sub_select(struct dec_sub *sub, bool selected);
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void sub_update_opts(struct dec_sub *sub);
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void sub_set_recorder_sink(struct dec_sub *sub, struct mp_recorder_sink *sink);
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int sub_control(struct dec_sub *sub, enum sd_ctrl cmd, void *arg);
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#endif
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