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https://github.com/mpv-player/mpv
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Client API users can enable log output with mpv_request_log_messages(). But you can enable only a single log level. This is normally enough, but the --msg-level option (which controls the terminal log level) provides more flexibility. Due to internal complexity, it would be hard to provide the same flexibility for each client API handle. But there's a simple way to achieve basically the same thing: add an option that sends log messages to the API handle, which would also be printed to the terminal as by --msg-level. The only change is that we don't disable this logic if the terminal is disabled. Instead we check for this before the message is output, which in theory can lower performance if messages are being spammed. It could be handled with some more effort, but the gain would be negligible.
39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
#ifndef MP_MSG_CONTROL_H
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#define MP_MSG_CONTROL_H
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#include <stdbool.h>
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struct mpv_global;
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void mp_msg_init(struct mpv_global *global);
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void mp_msg_uninit(struct mpv_global *global);
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void mp_msg_update_msglevels(struct mpv_global *global);
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void mp_msg_force_stderr(struct mpv_global *global, bool force_stderr);
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bool mp_msg_has_status_line(struct mpv_global *global);
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void mp_msg_flush_status_line(struct mp_log *log);
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struct mp_log_buffer_entry {
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char *prefix;
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int level;
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char *text;
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};
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// Use --msg-level option for log level of this log buffer
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#define MP_LOG_BUFFER_MSGL_TERM (MSGL_MAX + 1)
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struct mp_log_buffer;
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struct mp_log_buffer *mp_msg_log_buffer_new(struct mpv_global *global,
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int size, int level,
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void (*wakeup_cb)(void *ctx),
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void *wakeup_cb_ctx);
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void mp_msg_log_buffer_destroy(struct mp_log_buffer *buffer);
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struct mp_log_buffer_entry *mp_msg_log_buffer_read(struct mp_log_buffer *buffer);
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int mp_msg_open_stats_file(struct mpv_global *global, const char *path);
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int mp_msg_find_level(const char *s);
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extern const char *const mp_log_levels[MSGL_MAX + 1];
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extern const int mp_mpv_log_levels[MSGL_MAX + 1];
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#endif
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