3 const char *prog = "<unset>";
5 void set_prog(const char *p)
6 { const char *q = strrchr(p, '/'); prog = q ? q + 1 : p; }
8 void vmoan(const char *fmt, va_list ap)
9 { fprintf(stderr, "%s: ", prog); vfprintf(stderr, fmt, ap); }
11 __attribute__((format(printf, 1, 2)))
12 void moan(const char *fmt, ...)
16 va_start(ap, fmt); vmoan(fmt, ap); va_end(ap);
20 __attribute__((noreturn, format(printf, 1, 2)))
21 void bail(const char *fmt, ...)
25 va_start(ap, fmt); vmoan(fmt, ap); va_end(ap);
30 __attribute__((noreturn, format(printf, 2, 3)))
31 void bail_syserr(int err, const char *fmt, ...)
35 va_start(ap, fmt); vmoan(fmt, ap); va_end(ap);
36 if (err) fprintf(stderr, ": %s", strerror(errno));
44 double whole = floor(t);
47 tv.tv_sec = whole; tv.tv_usec = floor((t - whole)*1.0e6) + 1;
48 if (select(0, 0, 0, 0, &tv) < 0) bail_syserr(errno, "failed to sleep");
52 void store_filename(char *buf, ident id)
54 switch (id_kind(id)) {
56 sprintf(buf, "#<raw device>");
59 if (!id_title(id)) sprintf(buf, "/VIDEO_TS/VIDEO_TS.IFO");
60 else sprintf(buf, "/VIDEO_TS/VTS_%02u_0.IFO", id_title(id));
63 if (!id_title(id)) sprintf(buf, "/VIDEO_TS/VIDEO_TS.BUP");
64 else sprintf(buf, "/VIDEO_TS/VTS_%02u_0.BUP", id_title(id));
67 if (!id_title(id)) sprintf(buf, "/VIDEO_TS/VIDEO_TS.VOB");
69 sprintf(buf, "/VIDEO_TS/VTS_%02u_%u.VOB", id_title(id), id_part(id));
76 struct progress_state progress = PROGRESS_STATE_INIT;
77 static struct banner_progress_item banner_progress;
79 static void render_banner_progress(struct progress_item *item,
80 struct progress_render_state *render)
82 struct banner_progress_item *bi = (struct banner_progress_item *)item;
84 progress_putleft(render, " %s", bi->msg);
85 progress_shownotice(render, 4, 7);
88 void show_banner(const char *msg)
90 banner_progress._base.render = render_banner_progress;
91 progress_additem(&progress, &banner_progress._base);
92 banner_progress.msg = msg;
93 progress_update(&progress);
96 void hide_banner(void)
98 if (!progress_removeitem(&progress, &banner_progress._base))
99 progress_update(&progress);
103 static void logfn(void *p, dvd_logger_level_t lev,
104 const char *fmt, va_list ap)
107 case DVD_LOGGER_LEVEL_ERROR:
108 fprintf("%s (libdvdread error): ", prog);
110 case DVD_LOGGER_LEVEL_WARN:
111 fprintf("%s (libdvdread warning): ", prog);
116 vfprintf(stderr, fmt, ap);
119 static const dvd_logger_cb logger = { logfn };
122 void open_dvd(const char *device, int *fd_out, dvd_reader_t **dvd_out)
129 fd = open(device, O_RDONLY);
130 if (fd >= 0 || errno != ENOMEDIUM) break;
132 show_banner("Waiting for disc to be inserted...");
137 if (bannerp) hide_banner();
138 if (fd < 0) bail_syserr(errno, "failed to open device `%s'", device);
141 dvd = DVDOpen2(0, &logger, device);
143 dvd = DVDOpen(device);
145 if (!dvd) bail("failed to open DVD on `%s'", device);
148 if (fd_out) *fd_out = fd;