uint16_t stay_rule; ///< encode the behavior for filled cells
uint16_t born_rule; ///< encode the behavior for empty cells
uint64_t pts;
- AVRational time_base;
- char *rate; ///< video frame rate
+ AVRational frame_rate;
double random_fill_ratio;
uint32_t random_seed;
int stitch;
{ "f", "set source file", OFFSET(filename), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, FLAGS },
{ "size", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = NULL}, 0, 0, FLAGS },
{ "s", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = NULL}, 0, 0, FLAGS },
- { "rate", "set video rate", OFFSET(rate), AV_OPT_TYPE_STRING, {.str = "25"}, 0, 0, FLAGS },
- { "r", "set video rate", OFFSET(rate), AV_OPT_TYPE_STRING, {.str = "25"}, 0, 0, FLAGS },
+ { "rate", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, 0, FLAGS },
+ { "r", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, 0, FLAGS },
{ "rule", "set rule", OFFSET(rule_str), AV_OPT_TYPE_STRING, {.str = "B3/S23"}, CHAR_MIN, CHAR_MAX, FLAGS },
{ "random_fill_ratio", "set fill ratio for filling initial grid randomly", OFFSET(random_fill_ratio), AV_OPT_TYPE_DOUBLE, {.dbl=1/M_PHI}, 0, 1, FLAGS },
{ "ratio", "set fill ratio for filling initial grid randomly", OFFSET(random_fill_ratio), AV_OPT_TYPE_DOUBLE, {.dbl=1/M_PHI}, 0, 1, FLAGS },
static int init(AVFilterContext *ctx, const char *args)
{
LifeContext *life = ctx->priv;
- AVRational frame_rate;
int ret;
life->class = &life_class;
if ((ret = av_set_options_string(life, args, "=", ":")) < 0)
return ret;
- if ((ret = av_parse_video_rate(&frame_rate, life->rate)) < 0) {
- av_log(ctx, AV_LOG_ERROR, "Invalid frame rate: %s\n", life->rate);
- return AVERROR(EINVAL);
- }
- av_freep(&life->rate);
-
if (!life->w && !life->filename)
av_opt_set(life, "size", "320x240", 0);
av_log(ctx, AV_LOG_WARNING,
"Mold color is set while mold isn't, ignoring the color.\n");
- life->time_base.num = frame_rate.den;
- life->time_base.den = frame_rate.num;
-
if (!life->filename) {
/* fill the grid randomly */
int i;
av_log(ctx, AV_LOG_VERBOSE,
"s:%dx%d r:%d/%d rule:%s stay_rule:%d born_rule:%d stitch:%d seed:%u\n",
- life->w, life->h, frame_rate.num, frame_rate.den,
+ life->w, life->h, life->frame_rate.num, life->frame_rate.den,
life->rule_str, life->stay_rule, life->born_rule, life->stitch,
life->random_seed);
return 0;
outlink->w = life->w;
outlink->h = life->h;
- outlink->time_base = life->time_base;
+ outlink->time_base = av_inv_q(life->frame_rate);
return 0;
}