ffmpeg | branch: master | Gyan Doshi <ffm...@gyani.pro> | Tue Jan 7 17:48:34 2020 +0530| [22a06a539ddba083b0a496a1871a90afb8d51627] | committer: Gyan Doshi
avfilter/f_metadata: allow direct flushing when printing to file Useful for monitoring sparse data in realtime > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=22a06a539ddba083b0a496a1871a90afb8d51627 --- doc/filters.texi | 3 +++ libavfilter/f_metadata.c | 6 ++++++ 2 files changed, 9 insertions(+) diff --git a/doc/filters.texi b/doc/filters.texi index 9ff7bc2814..6fb660b05a 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -22731,6 +22731,9 @@ plain filename any writable url can be specified. Filename ``-'' is a shorthand for standard output. If @code{file} option is not set, output is written to the log with AV_LOG_INFO loglevel. +@item direct +Reduces buffering in print mode when output is written to a URL set using @var{file}. + @end table @subsection Examples 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; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
