From 22a06a539ddba083b0a496a1871a90afb8d51627 Mon Sep 17 00:00:00 2001 From: Gyan Doshi Date: Tue, 7 Jan 2020 17:30:34 +0530 Subject: avfilter/f_metadata: allow direct flushing when printing to file Useful for monitoring sparse data in realtime --- libavfilter/f_metadata.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'libavfilter/f_metadata.c') diff --git a/libavfilter/f_metadata.c b/libavfilter/f_metadata.c index 3bf4bb17f5..bf298e9d39 100644 --- a/libavfilter/f_metadata.c +++ b/libavfilter/f_metadata.c @@ -88,6 +88,8 @@ typedef struct MetadataContext { int (*compare)(struct MetadataContext *s, const char *value1, const char *value2); void (*print)(AVFilterContext *ctx, const char *msg, ...) av_printf_format(2, 3); + + int direct; // reduces buffering when printing to user-supplied URL } MetadataContext; #define OFFSET(x) offsetof(MetadataContext, x) @@ -111,6 +113,7 @@ static const AVOption filt_name##_options[] = { \ { "ends_with", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = METADATAF_ENDS_WITH }, 0, 0, FLAGS, "function" }, \ { "expr", "set expression for expr function", OFFSET(expr_str), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, FLAGS }, \ { "file", "set file where to print metadata information", OFFSET(file_str), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, FLAGS }, \ + { "direct", "reduce buffering when printing to user-set file or pipe", OFFSET(direct), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, FLAGS }, \ { NULL } \ } @@ -274,6 +277,9 @@ static av_cold int init(AVFilterContext *ctx) s->file_str, buf); return ret; } + + if (s->direct) + s->avio_context->direct = AVIO_FLAG_DIRECT; } return 0; -- cgit v1.2.3