[FFmpeg-devel] [PATCH] libavfilter/vf_drawtext.c:add support to generte ms level timestamp

[Siyuan Huang]

 

for test latency , need sub-seconds level timestamp watermark

 

Signed-off-by: SiyuanHuang <saber.hu...@samsung.com>

---

libavfilter/vf_drawtext.c | 20 ++++++++++++++++++--

1 file changed, 18 insertions(+), 2 deletions(-)

mode change 100644 => 100755 libavfilter/vf_drawtext.c

 

diff --git a/libavfilter/vf_drawtext.c b/libavfilter/vf_drawtext.c

old mode 100644

new mode 100755

index abe1ca6c35..cfd08b4092

--- a/libavfilter/vf_drawtext.c

+++ b/libavfilter/vf_drawtext.c

@@ -61,6 +61,8 @@

#include "internal.h"

#include "video.h"

+#include <sys/timeb.h>

+#include <time.h>

#if CONFIG_LIBFRIBIDI

#include <fribidi.h>

#endif

@@ -1322,8 +1324,22 @@ static int draw_text(AVFilterContext *ctx, AVFrame
*frame,

             return ret;

         break;

     case EXP_STRFTIME:

-        localtime_r(&now, &ltime);

-        av_bprint_strftime(bp, s->text, &ltime);

+        if(NULL!=av_stristr(s->text,"mspts")) {

+            struct tm *ptm;

+            struct timeb stTimeb;

+            static char szTime[24];

+

+            ftime(&stTimeb);

+            ptm = localtime(&stTimeb.time);

+            sprintf(szTime, "%04d-%02d-%02d %02d:%02d:%02d.%03d",

+                    ptm->tm_year+1900,ptm->tm_mon + 1, ptm->tm_mday,
ptm->tm_hour, ptm->tm_min, ptm->tm_sec, stTimeb.millitm);

+            szTime[23] = 0;

+            av_bprintf(bp, "%s", szTime);

+        } else {

+            localtime_r(&now, &ltime);

+            av_bprint_strftime(bp, s->text, &ltime);

+        }

+

         break;

     }

-- 

2.17.1

 

 

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