diff options
Diffstat (limited to 'libhb/param.c')
| -rw-r--r-- | libhb/param.c | 135 |
1 files changed, 129 insertions, 6 deletions
diff --git a/libhb/param.c b/libhb/param.c index f56f3957b..8deaed3c3 100644 --- a/libhb/param.c +++ b/libhb/param.c @@ -104,6 +104,129 @@ static filter_param_map_t param_map[] = { HB_FILTER_INVALID, NULL, NULL, 0 } }; +/* Settings: + * degrees:mirror + * + * degrees - Rotation angle, may be one of 90, 180, or 270 + * mirror - Mirror image around x axis + * + * Examples: + * Mode 180:1 Mirror then rotate 180' + * Mode 0:1 Mirror + * Mode 180:0 Rotate 180' + * Mode 90:0 Rotate 90' + * Mode 270:0 Rotate 270' + * + * Legacy Mode Examples (also accepted): + * Mode 1: Flip vertically (y0 becomes yN and yN becomes y0) (aka 180:1) + * Mode 2: Flip horizontally (x0 becomes xN and xN becomes x0) (aka 0:1) + * Mode 3: Flip both horizontally and vertically (aka 180:0) + * Mode 4: Rotate 90' (aka 90:0) + * Mode 7: Flip horiz & vert plus Rotate 90' (aka 270:0) + */ +char * +generate_rotate_settings(const char * preset, const char * tune) +{ + char ** args; + const char * trans = NULL; + char * result; + int ii, angle = 180, flip = 0, hflip = 0, vflip = 0; + + args = hb_str_vsplit(preset, ':'); + for (ii = 0; ii < 2 && args[ii]; ii++) + { + switch (ii) + { + case 0: + angle = strtol(args[ii], &result, 0); + break; + case 1: + flip = strtol(args[ii], &result, 0); + break; + default: + break; + } + } + hb_str_vfree(args); + if (angle < 8 && ii == 1) + { + // Legacy value + switch (angle) + { + case 1: + vflip = 1; + break; + case 2: + hflip = 1; + break; + case 3: + vflip = hflip = 1; + break; + case 4: + trans = "clock"; + break; + case 5: + trans = "cclock_flip"; + break; + case 6: + trans = "clock_flip"; + break; + case 7: + trans = "cclock"; + break; + default: + break; + } + } + else + { + const char * clock; + const char * cclock; + if (flip) + { + clock = "clock_flip"; + cclock = "cclock_flip"; + } + else + { + clock = "clock"; + cclock = "cclock"; + } + switch (angle) + { + case 0: + hflip = flip; + break; + case 90: + trans = clock; + break; + case 180: + vflip = hflip = 1; + break; + case 270: + trans = cclock; + break; + default: + break; + } + } + if (trans != NULL) + { + return hb_strdup_printf("transpose='dir=%s'", trans); + } + else if (vflip || hflip) + { + return hb_strdup_printf("%s%s%s", + vflip ? "vflip" : "", + hflip ? ", " : "", + hflip ? "hflip" : ""); + } + else + { + return (char*)hb_filter_off; + } +} + /* Pad presets and tunes * * There are currently no presets and tunes for pad @@ -615,15 +738,15 @@ hb_generate_filter_settings(int filter_id, const char *preset, const char *tune) if (hb_validate_filter_settings(filter_id, preset)) return NULL; return generate_pad_settings(preset, tune); + case HB_FILTER_ROTATE: + if (preset == NULL) return NULL; + if (!strcasecmp(preset, "off")) return (char*)hb_filter_off; + if (hb_validate_filter_settings(filter_id, preset)) return NULL; + + return generate_rotate_settings(preset, tune); case HB_FILTER_NLMEANS: filter_param = generate_nlmeans_settings(preset, tune); break; - case HB_FILTER_ROTATE: - if (atoi(preset) == 0) - filter_param = (char*)hb_filter_off; - else - filter_param = strdup(preset); - break; case HB_FILTER_DEBLOCK: if (atoi(preset) < 5) filter_param = (char*)hb_filter_off; |