diff options
Diffstat (limited to 'vpxenc.c')
| -rw-r--r-- | vpxenc.c | 21 |
1 files changed, 21 insertions, 0 deletions
@@ -1542,6 +1542,23 @@ struct stream_state }; +void validate_positive_rational(const char *msg, + struct vpx_rational *rat) +{ + if (rat->den < 0) + { + rat->num *= -1; + rat->den *= -1; + } + + if (rat->num < 0) + die("Error: %s must be positive\n", msg); + + if (!rat->den) + die("Error: %s has zero denominator\n", msg); +} + + static void parse_global_config(struct global_config *global, char **argv) { char **argi, **argj; @@ -1610,6 +1627,7 @@ static void parse_global_config(struct global_config *global, char **argv) else if (arg_match(&arg, &framerate, argi)) { global->framerate = arg_parse_rational(&arg); + validate_positive_rational(arg.name, &global->framerate); global->have_framerate = 1; } else if (arg_match(&arg,&out_part, argi)) @@ -1807,7 +1825,10 @@ static int parse_stream_params(struct global_config *global, else if (arg_match(&arg, &stereo_mode, argi)) config->stereo_fmt = arg_parse_enum_or_int(&arg); else if (arg_match(&arg, &timebase, argi)) + { config->cfg.g_timebase = arg_parse_rational(&arg); + validate_positive_rational(arg.name, &config->cfg.g_timebase); + } else if (arg_match(&arg, &error_resilient, argi)) config->cfg.g_error_resilient = arg_parse_uint(&arg); else if (arg_match(&arg, &lag_in_frames, argi)) |