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lavfi/aspect: add max option

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This commit is contained in:
Stefano Sabatini
2012-10-16 18:10:59 +02:00
parent ccd6def9b3
commit 6752aac6bc
3 changed files with 18 additions and 3 deletions
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libavfilter/version.h
+1 -1
View File
@@ -30,7 +30,7 @@
#define LIBAVFILTER_VERSION_MAJOR 3
#define LIBAVFILTER_VERSION_MINOR 20
#define LIBAVFILTER_VERSION_MICRO 103
#define LIBAVFILTER_VERSION_MICRO 104
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
LIBAVFILTER_VERSION_MINOR, \
libavfilter/vf_aspect.c
+4 -2
View File
@@ -35,12 +35,14 @@ typedef struct {
const AVClass *class;
AVRational ratio;
char *ratio_str;
int max;
} AspectContext;
#define OFFSET(x) offsetof(AspectContext, x)
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
static const AVOption options[] = {
{"max", "set max value for nominator or denominator in the ratio", OFFSET(max), AV_OPT_TYPE_INT, {.i64=100}, 1, INT_MAX, FLAGS },
{"ratio", "set ratio", OFFSET(ratio_str), AV_OPT_TYPE_STRING, {.str="0"}, 0, 0, FLAGS },
{"r", "set ratio", OFFSET(ratio_str), AV_OPT_TYPE_STRING, {.str="0"}, 0, 0, FLAGS },
{NULL}
@@ -49,7 +51,7 @@ static const AVOption options[] = {
static av_cold int init(AVFilterContext *ctx, const char *args, const AVClass *class)
{
AspectContext *aspect = ctx->priv;
static const char *shorthand[] = { "ratio", NULL };
static const char *shorthand[] = { "ratio", "max", NULL };
char c;
int ret;
AVRational q;
@@ -66,7 +68,7 @@ static av_cold int init(AVFilterContext *ctx, const char *args, const AVClass *c
}
if (aspect->ratio_str) {
ret = av_parse_ratio(&aspect->ratio, aspect->ratio_str, 100, 0, ctx);
ret = av_parse_ratio(&aspect->ratio, aspect->ratio_str, aspect->max, 0, ctx);
if (ret < 0 || aspect->ratio.num < 0 || aspect->ratio.den <= 0) {
av_log(ctx, AV_LOG_ERROR,
"Invalid string '%s' for aspect ratio\n", args);