[FFmpeg-devel] [PATCH 0/3] Add option to log timing

[FFmpeg-devel] [PATCH 0/3] Add option to log timing

[ffmpegagent]

This pathcset adds two logging flags: 'timing' and 'datetiming'.

Usage:

ffmpeg -loglevel +timing

or

ffmpeg -loglevel +datetiming

softworkz (3):
  avutil/log: support logging of date and timing information
  fftools/opt_common: add timing and datetiming log flags
  doc/fftools-common-opts: document log timing flags

 doc/APIchanges               |  3 +++
 doc/fftools-common-opts.texi |  4 ++++
 fftools/opt_common.c         | 12 ++++++++++++
 libavutil/log.c              | 32 +++++++++++++++++++++++++++++---
 libavutil/log.h              | 10 ++++++++++
 libavutil/version.h          |  4 ++--
 6 files changed, 60 insertions(+), 5 deletions(-)


base-commit: 48cb2c7a8a2deca40dd2f143848dd5addc25465c
Published-As: https://github.com/ffstaging/FFmpeg/releases/tag/pr-ffstaging-37%2Fsoftworkz%2Fsubmit_logtiming-v1
Fetch-It-Via: git fetch https://github.com/ffstaging/FFmpeg pr-ffstaging-37/softworkz/submit_logtiming-v1
Pull-Request: https://github.com/ffstaging/FFmpeg/pull/37
-- 
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[FFmpeg-devel] [PATCH 1/3] avutil/log: support logging of date and timing information

[softworkz]

From: softworkz <softworkz@hotmail.com>

Signed-off-by: softworkz <softworkz@hotmail.com>
---
 doc/APIchanges      |  3 +++
 libavutil/log.c     | 32 +++++++++++++++++++++++++++++---
 libavutil/log.h     | 10 ++++++++++
 libavutil/version.h |  4 ++--
 4 files changed, 44 insertions(+), 5 deletions(-)

diff --git a/doc/APIchanges b/doc/APIchanges
index 4c0c9db628..eae5ba0525 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -14,6 +14,9 @@ libavutil:     2021-04-27
 
 API changes, most recent first:
 
+2022-08-xx - xxxxxxxxxx - lavu 57.34.100 - log.h
+  Add flags AV_LOG_PRINT_TIME and AV_LOG_PRINT_DATETIME.
+
 2022-08-xx - xxxxxxxxxx - lavf 59 - avformat.h
   Deprecate av_stream_get_end_pts() without replacement.
 
diff --git a/libavutil/log.c b/libavutil/log.c
index 5948e50467..15a43c1631 100644
--- a/libavutil/log.c
+++ b/libavutil/log.c
@@ -42,6 +42,8 @@
 #include "internal.h"
 #include "log.h"
 #include "thread.h"
+#include "time.h"
+#include "time_internal.h"
 
 static AVMutex mutex = AV_MUTEX_INITIALIZER;
 
@@ -291,14 +293,32 @@ static const char *get_level_str(int level)
     }
 }
 
+static void format_date_now(AVBPrint* timeBuf, int include_date)
+{
+    struct tm *ptm, tmbuf;
+    const int64_t time_us = av_gettime();
+    const int64_t time_ms = time_us / 1000;
+    const time_t time_s   = time_ms / 1000;
+    const int millisec    = time_ms - (time_s * 1000);
+    ptm                   = localtime_r(&time_s, &tmbuf);
+    if (ptm) {
+        if (include_date)
+            av_bprint_strftime(timeBuf, "%Y-%m-%d ", ptm);
+
+        av_bprint_strftime(timeBuf, "%H:%M:%S", ptm);
+        av_bprintf(timeBuf, ".%03d ", millisec);
+    }
+}
+
 static void format_line(void *avcl, int level, const char *fmt, va_list vl,
-                        AVBPrint part[4], int *print_prefix, int type[2])
+                        AVBPrint part[5], int *print_prefix, int type[2])
 {
     AVClass* avc = avcl ? *(AVClass **) avcl : NULL;
     av_bprint_init(part+0, 0, AV_BPRINT_SIZE_AUTOMATIC);
     av_bprint_init(part+1, 0, AV_BPRINT_SIZE_AUTOMATIC);
     av_bprint_init(part+2, 0, AV_BPRINT_SIZE_AUTOMATIC);
     av_bprint_init(part+3, 0, 65536);
+    av_bprint_init(part+4, 0, AV_BPRINT_SIZE_AUTOMATIC);
 
     if(type) type[0] = type[1] = AV_CLASS_CATEGORY_NA + 16;
     if (*print_prefix && avc) {
@@ -316,6 +336,9 @@ static void format_line(void *avcl, int level, const char *fmt, va_list vl,
         if(type) type[1] = get_category(avcl);
     }
 
+    if (*print_prefix && (flags & (AV_LOG_PRINT_TIME | AV_LOG_PRINT_DATETIME)))
+        format_date_now(&part[4], flags & AV_LOG_PRINT_DATETIME);
+
     if (*print_prefix && (level > AV_LOG_QUIET) && (flags & AV_LOG_PRINT_LEVEL))
         av_bprintf(part+2, "[%s] ", get_level_str(level));
 
@@ -336,7 +359,7 @@ void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl,
 int av_log_format_line2(void *ptr, int level, const char *fmt, va_list vl,
                         char *line, int line_size, int *print_prefix)
 {
-    AVBPrint part[4];
+    AVBPrint part[5];
     int ret;
 
     format_line(ptr, level, fmt, vl, part, print_prefix, NULL);
@@ -350,7 +373,7 @@ void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
     static int print_prefix = 1;
     static int count;
     static char prev[LINE_SZ];
-    AVBPrint part[4];
+    AVBPrint part[5];
     char line[LINE_SZ];
     static int is_atty;
     int type[2];
@@ -385,6 +408,9 @@ void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
         count = 0;
     }
     strcpy(prev, line);
+
+    sanitize(part[4].str);
+    colored_fputs(7, 0, part[4].str);
     sanitize(part[0].str);
     colored_fputs(type[0], 0, part[0].str);
     sanitize(part[1].str);
diff --git a/libavutil/log.h b/libavutil/log.h
index ab7ceabe22..8336f65b16 100644
--- a/libavutil/log.h
+++ b/libavutil/log.h
@@ -377,6 +377,16 @@ int av_log_format_line2(void *ptr, int level, const char *fmt, va_list vl,
  */
 #define AV_LOG_PRINT_LEVEL 2
 
+/**
+ * Include system time in log output.
+ */
+#define AV_LOG_PRINT_TIME 4
+
+/**
+ * Include system date and time in log output.
+ */
+#define AV_LOG_PRINT_DATETIME 8
+
 void av_log_set_flags(int arg);
 int av_log_get_flags(void);
 
diff --git a/libavutil/version.h b/libavutil/version.h
index 05661922b3..5d0df781cc 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -79,8 +79,8 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  57
-#define LIBAVUTIL_VERSION_MINOR  33
-#define LIBAVUTIL_VERSION_MICRO 101
+#define LIBAVUTIL_VERSION_MINOR  34
+#define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
                                                LIBAVUTIL_VERSION_MINOR, \
-- 
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[FFmpeg-devel] [PATCH 2/3] fftools/opt_common: add timing and datetiming log flags

[softworkz]

From: softworkz <softworkz@hotmail.com>

This commit adds two logging flags: 'timing' and 'datetiming'.

Usage:

ffmpeg -loglevel +timing

or

ffmpeg -loglevel +datetiming

Signed-off-by: softworkz <softworkz@hotmail.com>
---
 fftools/opt_common.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/fftools/opt_common.c b/fftools/opt_common.c
index ae5e28a5af..bd8430751c 100644
--- a/fftools/opt_common.c
+++ b/fftools/opt_common.c
@@ -1268,6 +1268,18 @@ int opt_loglevel(void *optctx, const char *opt, const char *arg)
             } else {
                 flags |= AV_LOG_PRINT_LEVEL;
             }
+        } else if (av_strstart(token, "timing", &arg)) {
+            if (cmd == '-') {
+                flags &= ~AV_LOG_PRINT_TIME;
+            } else {
+                flags |= AV_LOG_PRINT_TIME;
+            }
+        } else if (av_strstart(token, "datetiming", &arg)) {
+            if (cmd == '-') {
+                flags &= ~AV_LOG_PRINT_DATETIME;
+            } else {
+                flags |= AV_LOG_PRINT_DATETIME;
+            }
         } else {
             break;
         }
-- 
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[FFmpeg-devel] [PATCH 3/3] doc/fftools-common-opts: document log timing flags

[softworkz]

From: softworkz <softworkz@hotmail.com>

Signed-off-by: softworkz <softworkz@hotmail.com>
---
 doc/fftools-common-opts.texi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/fftools-common-opts.texi b/doc/fftools-common-opts.texi
index d9145704d6..eee3b6ead0 100644
--- a/doc/fftools-common-opts.texi
+++ b/doc/fftools-common-opts.texi
@@ -201,6 +201,10 @@ and the "Last message repeated n times" line will be omitted.
 Indicates that log output should add a @code{[level]} prefix to each message
 line. This can be used as an alternative to log coloring, e.g. when dumping the
 log to file.
+@item timing
+Indicates that log lines should be prefixed with timing information.
+@item datetiming
+Indicates that log lines should be prefixed with date and timing information.
 @end table
 Flags can also be used alone by adding a '+'/'-' prefix to set/reset a single
 flag without affecting other @var{flags} or changing @var{loglevel}. When
-- 
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Re: [FFmpeg-devel] [PATCH 0/3] Add option to log timing

[Soft Works]

Ping again

Thanks

> -----Original Message-----
> From: ffmpegagent <ffmpegagent@gmail.com>
> Sent: Wednesday, August 24, 2022 9:38 PM
> To: ffmpeg-devel@ffmpeg.org
> Cc: softworkz <softworkz@hotmail.com>
> Subject: [PATCH 0/3] Add option to log timing
> 
> This pathcset adds two logging flags: 'timing' and 'datetiming'.
> 
> Usage:
> 
> ffmpeg -loglevel +timing
> 
> or
> 
> ffmpeg -loglevel +datetiming
> 
> softworkz (3):
>   avutil/log: support logging of date and timing information
>   fftools/opt_common: add timing and datetiming log flags
>   doc/fftools-common-opts: document log timing flags
> 
>  doc/APIchanges               |  3 +++
>  doc/fftools-common-opts.texi |  4 ++++
>  fftools/opt_common.c         | 12 ++++++++++++
>  libavutil/log.c              | 32 +++++++++++++++++++++++++++++---
>  libavutil/log.h              | 10 ++++++++++
>  libavutil/version.h          |  4 ++--
>  6 files changed, 60 insertions(+), 5 deletions(-)
> 
> 
> base-commit: 48cb2c7a8a2deca40dd2f143848dd5addc25465c
> Published-As: https://github.com/ffstaging/FFmpeg/releases/tag/pr-
> ffstaging-37%2Fsoftworkz%2Fsubmit_logtiming-v1
> Fetch-It-Via: git fetch https://github.com/ffstaging/FFmpeg pr-
> ffstaging-37/softworkz/submit_logtiming-v1
> Pull-Request: https://github.com/ffstaging/FFmpeg/pull/37
> --
> ffmpeg-codebot
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[FFmpeg-devel] [PATCH v2 0/3] Add option to log timing

[ffmpegagent]

This pathcset adds two logging flags: 'timing' and 'datetiming'.

Usage:

ffmpeg -loglevel +timing

or

ffmpeg -loglevel +datetiming

Update V2

 * Fix merge conflicts

Update V3

 * Rebased

softworkz (3):
  avutil/log: support logging of date and timing information
  fftools/opt_common: add timing and datetiming log flags
  doc/fftools-common-opts: document log timing flags

 doc/APIchanges               |  3 +++
 doc/fftools-common-opts.texi |  4 ++++
 fftools/opt_common.c         | 12 ++++++++++++
 libavutil/log.c              | 32 +++++++++++++++++++++++++++++---
 libavutil/log.h              | 10 ++++++++++
 libavutil/version.h          |  2 +-
 6 files changed, 59 insertions(+), 4 deletions(-)


base-commit: 4ba9ae7742a6f8a29d6486e25ff5709a075edb5b
Published-As: https://github.com/ffstaging/FFmpeg/releases/tag/pr-ffstaging-37%2Fsoftworkz%2Fsubmit_logtiming-v2
Fetch-It-Via: git fetch https://github.com/ffstaging/FFmpeg pr-ffstaging-37/softworkz/submit_logtiming-v2
Pull-Request: https://github.com/ffstaging/FFmpeg/pull/37

Range-diff vs v1:

 1:  5dc718cfd5 ! 1:  13a7dc164b avutil/log: support logging of date and timing information
     @@ Commit message
          Signed-off-by: softworkz <softworkz@hotmail.com>
      
       ## doc/APIchanges ##
     -@@ doc/APIchanges: libavutil:     2021-04-27
     +@@ doc/APIchanges: The last version increases of all libraries were on 2024-03-07
       
       API changes, most recent first:
       
     -+2022-08-xx - xxxxxxxxxx - lavu 57.34.100 - log.h
     ++2025-01-xx - xxxxxxxxxx - lavu 59.57.100 - log.h
      +  Add flags AV_LOG_PRINT_TIME and AV_LOG_PRINT_DATETIME.
      +
     - 2022-08-xx - xxxxxxxxxx - lavf 59 - avformat.h
     -   Deprecate av_stream_get_end_pts() without replacement.
     + 2025-01-25 - xxxxxxxxxx - lavu 59.56.100 - frame.h
     +   Add AV_SIDE_DATA_PROP_CHANNEL_DEPENDENT.
       
      
       ## libavutil/log.c ##
     @@ libavutil/log.c
       
       static AVMutex mutex = AV_MUTEX_INITIALIZER;
       
     -@@ libavutil/log.c: static const char *get_level_str(int level)
     -     }
     +@@ libavutil/log.c: static const char *item_name(void *obj, const AVClass *cls)
     +     return (cls->item_name ? cls->item_name : av_default_item_name)(obj);
       }
       
      +static void format_date_now(AVBPrint* timeBuf, int include_date)
     @@ libavutil/version.h
      @@
        */
       
     - #define LIBAVUTIL_VERSION_MAJOR  57
     --#define LIBAVUTIL_VERSION_MINOR  33
     --#define LIBAVUTIL_VERSION_MICRO 101
     -+#define LIBAVUTIL_VERSION_MINOR  34
     -+#define LIBAVUTIL_VERSION_MICRO 100
     + #define LIBAVUTIL_VERSION_MAJOR  59
     +-#define LIBAVUTIL_VERSION_MINOR  56
     ++#define LIBAVUTIL_VERSION_MINOR  57
     + #define LIBAVUTIL_VERSION_MICRO 100
       
       #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
     -                                                LIBAVUTIL_VERSION_MINOR, \
 2:  23f6cad25e = 2:  9eb9a6cf48 fftools/opt_common: add timing and datetiming log flags
 3:  595d03037f = 3:  20e049c4c7 doc/fftools-common-opts: document log timing flags

-- 
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[FFmpeg-devel] [PATCH v2 1/3] avutil/log: support logging of date and timing information

[softworkz]

From: softworkz <softworkz@hotmail.com>

Signed-off-by: softworkz <softworkz@hotmail.com>
---
 doc/APIchanges      |  3 +++
 libavutil/log.c     | 32 +++++++++++++++++++++++++++++---
 libavutil/log.h     | 10 ++++++++++
 libavutil/version.h |  2 +-
 4 files changed, 43 insertions(+), 4 deletions(-)

diff --git a/doc/APIchanges b/doc/APIchanges
index 0f2b640601..83d57ae314 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -2,6 +2,9 @@ The last version increases of all libraries were on 2024-03-07
 
 API changes, most recent first:
 
+2025-01-xx - xxxxxxxxxx - lavu 59.57.100 - log.h
+  Add flags AV_LOG_PRINT_TIME and AV_LOG_PRINT_DATETIME.
+
 2025-01-25 - xxxxxxxxxx - lavu 59.56.100 - frame.h
   Add AV_SIDE_DATA_PROP_CHANNEL_DEPENDENT.
 
diff --git a/libavutil/log.c b/libavutil/log.c
index 46662f3db0..3ea6cb671e 100644
--- a/libavutil/log.c
+++ b/libavutil/log.c
@@ -42,6 +42,8 @@
 #include "internal.h"
 #include "log.h"
 #include "thread.h"
+#include "time.h"
+#include "time_internal.h"
 
 static AVMutex mutex = AV_MUTEX_INITIALIZER;
 
@@ -296,14 +298,32 @@ static const char *item_name(void *obj, const AVClass *cls)
     return (cls->item_name ? cls->item_name : av_default_item_name)(obj);
 }
 
+static void format_date_now(AVBPrint* timeBuf, int include_date)
+{
+    struct tm *ptm, tmbuf;
+    const int64_t time_us = av_gettime();
+    const int64_t time_ms = time_us / 1000;
+    const time_t time_s   = time_ms / 1000;
+    const int millisec    = time_ms - (time_s * 1000);
+    ptm                   = localtime_r(&time_s, &tmbuf);
+    if (ptm) {
+        if (include_date)
+            av_bprint_strftime(timeBuf, "%Y-%m-%d ", ptm);
+
+        av_bprint_strftime(timeBuf, "%H:%M:%S", ptm);
+        av_bprintf(timeBuf, ".%03d ", millisec);
+    }
+}
+
 static void format_line(void *avcl, int level, const char *fmt, va_list vl,
-                        AVBPrint part[4], int *print_prefix, int type[2])
+                        AVBPrint part[5], int *print_prefix, int type[2])
 {
     AVClass* avc = avcl ? *(AVClass **) avcl : NULL;
     av_bprint_init(part+0, 0, AV_BPRINT_SIZE_AUTOMATIC);
     av_bprint_init(part+1, 0, AV_BPRINT_SIZE_AUTOMATIC);
     av_bprint_init(part+2, 0, AV_BPRINT_SIZE_AUTOMATIC);
     av_bprint_init(part+3, 0, 65536);
+    av_bprint_init(part+4, 0, AV_BPRINT_SIZE_AUTOMATIC);
 
     if(type) type[0] = type[1] = AV_CLASS_CATEGORY_NA + 16;
     if (*print_prefix && avc) {
@@ -321,6 +341,9 @@ static void format_line(void *avcl, int level, const char *fmt, va_list vl,
         if(type) type[1] = get_category(avcl);
     }
 
+    if (*print_prefix && (flags & (AV_LOG_PRINT_TIME | AV_LOG_PRINT_DATETIME)))
+        format_date_now(&part[4], flags & AV_LOG_PRINT_DATETIME);
+
     if (*print_prefix && (level > AV_LOG_QUIET) && (flags & AV_LOG_PRINT_LEVEL))
         av_bprintf(part+2, "[%s] ", get_level_str(level));
 
@@ -341,7 +364,7 @@ void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl,
 int av_log_format_line2(void *ptr, int level, const char *fmt, va_list vl,
                         char *line, int line_size, int *print_prefix)
 {
-    AVBPrint part[4];
+    AVBPrint part[5];
     int ret;
 
     format_line(ptr, level, fmt, vl, part, print_prefix, NULL);
@@ -355,7 +378,7 @@ void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
     static int print_prefix = 1;
     static int count;
     static char prev[LINE_SZ];
-    AVBPrint part[4];
+    AVBPrint part[5];
     char line[LINE_SZ];
     static int is_atty;
     int type[2];
@@ -390,6 +413,9 @@ void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
         count = 0;
     }
     strcpy(prev, line);
+
+    sanitize(part[4].str);
+    colored_fputs(7, 0, part[4].str);
     sanitize(part[0].str);
     colored_fputs(type[0], 0, part[0].str);
     sanitize(part[1].str);
diff --git a/libavutil/log.h b/libavutil/log.h
index 4c8c92266f..dd094307ce 100644
--- a/libavutil/log.h
+++ b/libavutil/log.h
@@ -406,6 +406,16 @@ int av_log_format_line2(void *ptr, int level, const char *fmt, va_list vl,
  */
 #define AV_LOG_PRINT_LEVEL 2
 
+/**
+ * Include system time in log output.
+ */
+#define AV_LOG_PRINT_TIME 4
+
+/**
+ * Include system date and time in log output.
+ */
+#define AV_LOG_PRINT_DATETIME 8
+
 void av_log_set_flags(int arg);
 int av_log_get_flags(void);
 
diff --git a/libavutil/version.h b/libavutil/version.h
index 83b7822125..ee4a36cb17 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -79,7 +79,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  59
-#define LIBAVUTIL_VERSION_MINOR  56
+#define LIBAVUTIL_VERSION_MINOR  57
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
-- 
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[FFmpeg-devel] [PATCH v2 2/3] fftools/opt_common: add timing and datetiming log flags

[softworkz]

From: softworkz <softworkz@hotmail.com>

This commit adds two logging flags: 'timing' and 'datetiming'.

Usage:

ffmpeg -loglevel +timing

or

ffmpeg -loglevel +datetiming

Signed-off-by: softworkz <softworkz@hotmail.com>
---
 fftools/opt_common.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/fftools/opt_common.c b/fftools/opt_common.c
index 34da2cee7d..94e9dae8b6 100644
--- a/fftools/opt_common.c
+++ b/fftools/opt_common.c
@@ -1292,6 +1292,18 @@ int opt_loglevel(void *optctx, const char *opt, const char *arg)
             } else {
                 flags |= AV_LOG_PRINT_LEVEL;
             }
+        } else if (av_strstart(token, "timing", &arg)) {
+            if (cmd == '-') {
+                flags &= ~AV_LOG_PRINT_TIME;
+            } else {
+                flags |= AV_LOG_PRINT_TIME;
+            }
+        } else if (av_strstart(token, "datetiming", &arg)) {
+            if (cmd == '-') {
+                flags &= ~AV_LOG_PRINT_DATETIME;
+            } else {
+                flags |= AV_LOG_PRINT_DATETIME;
+            }
         } else {
             break;
         }
-- 
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Re: [FFmpeg-devel] [PATCH v2 2/3] fftools/opt_common: add timing and datetiming log flags

[Michael Niedermayer]

[-- Attachment #1.1: Type: text/plain, Size: 764 bytes --]

Hi softworkz

On Thu, Jan 30, 2025 at 03:53:25AM +0000, softworkz wrote:
> From: softworkz <softworkz@hotmail.com>
> 
> This commit adds two logging flags: 'timing' and 'datetiming'.
> 
> Usage:
> 
> ffmpeg -loglevel +timing
> 
> or
> 
> ffmpeg -loglevel +datetiming


./ffmpeg -loglevel +timing
...
02:04:00.926 Use -h to get full help or, even better, run 'man ffmpeg'
02:04:00.926 michael@box:~/ffmpeg/$

It seems the shell command prompt is after the last time
is this intended ?

thx

[...]
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Take away the freedom of one citizen and you will be jailed, take away
the freedom of all citizens and you will be congratulated by your peers
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Re: [FFmpeg-devel] [PATCH v2 2/3] fftools/opt_common: add timing and datetiming log flags

[Soft Works]

Hi Michael,

thanks a lot for looking at this.


> -----Original Message-----
> From: ffmpeg-devel <ffmpeg-devel-bounces@ffmpeg.org> On Behalf Of
> Michael Niedermayer
> Sent: Sunday, February 2, 2025 2:14 AM
> To: FFmpeg development discussions and patches <ffmpeg-
> devel@ffmpeg.org>
> Subject: Re: [FFmpeg-devel] [PATCH v2 2/3] fftools/opt_common: add
> timing and datetiming log flags
> 
> Hi softworkz
> 
> On Thu, Jan 30, 2025 at 03:53:25AM +0000, softworkz wrote:
> > From: softworkz <softworkz@hotmail.com>
> >
> > This commit adds two logging flags: 'timing' and 'datetiming'.
> >
> > Usage:
> >
> > ffmpeg -loglevel +timing
> >
> > or
> >
> > ffmpeg -loglevel +datetiming
> 
> 
> ./ffmpeg -loglevel +timing
> ...
> 02:04:00.926 Use -h to get full help or, even better, run 'man
> ffmpeg'
> 02:04:00.926 michael@box:~/ffmpeg/$
> 
> It seems the shell command prompt is after the last time
> is this intended ?

Of course not 😊
Where it's in use, I had also added printing of the word "EXIT" before exiting (to easily recognize crashed or killed vs regular terminations), that's probably why I've never seen this.

Will submit an update,
thank you very much,
sw

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[FFmpeg-devel] [PATCH v2 3/3] doc/fftools-common-opts: document log timing flags

[softworkz]

From: softworkz <softworkz@hotmail.com>

Signed-off-by: softworkz <softworkz@hotmail.com>
---
 doc/fftools-common-opts.texi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/fftools-common-opts.texi b/doc/fftools-common-opts.texi
index 8b0931a86d..37bed92864 100644
--- a/doc/fftools-common-opts.texi
+++ b/doc/fftools-common-opts.texi
@@ -226,6 +226,10 @@ and the "Last message repeated n times" line will be omitted.
 Indicates that log output should add a @code{[level]} prefix to each message
 line. This can be used as an alternative to log coloring, e.g. when dumping the
 log to file.
+@item timing
+Indicates that log lines should be prefixed with timing information.
+@item datetiming
+Indicates that log lines should be prefixed with date and timing information.
 @end table
 Flags can also be used alone by adding a '+'/'-' prefix to set/reset a single
 flag without affecting other @var{flags} or changing @var{loglevel}. When
-- 
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[FFmpeg-devel] [PATCH v3 0/3] Add option to log timing

[ffmpegagent]

This pathcset adds two logging flags: 'timing' and 'datetiming'.

Usage:

ffmpeg -loglevel +timing

or

ffmpeg -loglevel +datetiming

Update V1

 * Fix merge conflicts

Update V2

 * Rebased

Update V3

 * Fix print timing on exit (as reported by Michael Niedermayer)

softworkz (3):
  avutil/log: support logging of date and timing information
  fftools/opt_common: add timing and datetiming log flags
  doc/fftools-common-opts: document log timing flags

 doc/APIchanges               |  3 +++
 doc/fftools-common-opts.texi |  4 ++++
 fftools/ffmpeg.c             |  1 +
 fftools/opt_common.c         | 12 ++++++++++++
 libavutil/log.c              | 32 +++++++++++++++++++++++++++++---
 libavutil/log.h              | 10 ++++++++++
 libavutil/version.h          |  2 +-
 7 files changed, 60 insertions(+), 4 deletions(-)


base-commit: 4ba9ae7742a6f8a29d6486e25ff5709a075edb5b
Published-As: https://github.com/ffstaging/FFmpeg/releases/tag/pr-ffstaging-37%2Fsoftworkz%2Fsubmit_logtiming-v3
Fetch-It-Via: git fetch https://github.com/ffstaging/FFmpeg pr-ffstaging-37/softworkz/submit_logtiming-v3
Pull-Request: https://github.com/ffstaging/FFmpeg/pull/37

Range-diff vs v2:

 1:  13a7dc164b = 1:  13a7dc164b avutil/log: support logging of date and timing information
 2:  9eb9a6cf48 ! 2:  6c435fc02d fftools/opt_common: add timing and datetiming log flags
     @@ Commit message
      
          ffmpeg -loglevel +datetiming
      
     +    Setting av_log_set_flags(0) in term_exit in ffmpeg.c prevents
     +    timing to be printed when exiting.
     +
          Signed-off-by: softworkz <softworkz@hotmail.com>
      
     + ## fftools/ffmpeg.c ##
     +@@ fftools/ffmpeg.c: static void term_exit_sigsafe(void)
     + 
     + void term_exit(void)
     + {
     ++    av_log_set_flags(0);
     +     av_log(NULL, AV_LOG_QUIET, "%s", "");
     +     term_exit_sigsafe();
     + }
     +
       ## fftools/opt_common.c ##
      @@ fftools/opt_common.c: int opt_loglevel(void *optctx, const char *opt, const char *arg)
                   } else {
 3:  20e049c4c7 = 3:  f0aa91d5c1 doc/fftools-common-opts: document log timing flags

-- 
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[FFmpeg-devel] [PATCH v3 1/3] avutil/log: support logging of date and timing information

[softworkz]

From: softworkz <softworkz@hotmail.com>

Signed-off-by: softworkz <softworkz@hotmail.com>
---
 doc/APIchanges      |  3 +++
 libavutil/log.c     | 32 +++++++++++++++++++++++++++++---
 libavutil/log.h     | 10 ++++++++++
 libavutil/version.h |  2 +-
 4 files changed, 43 insertions(+), 4 deletions(-)

diff --git a/doc/APIchanges b/doc/APIchanges
index 0f2b640601..83d57ae314 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -2,6 +2,9 @@ The last version increases of all libraries were on 2024-03-07
 
 API changes, most recent first:
 
+2025-01-xx - xxxxxxxxxx - lavu 59.57.100 - log.h
+  Add flags AV_LOG_PRINT_TIME and AV_LOG_PRINT_DATETIME.
+
 2025-01-25 - xxxxxxxxxx - lavu 59.56.100 - frame.h
   Add AV_SIDE_DATA_PROP_CHANNEL_DEPENDENT.
 
diff --git a/libavutil/log.c b/libavutil/log.c
index 46662f3db0..3ea6cb671e 100644
--- a/libavutil/log.c
+++ b/libavutil/log.c
@@ -42,6 +42,8 @@
 #include "internal.h"
 #include "log.h"
 #include "thread.h"
+#include "time.h"
+#include "time_internal.h"
 
 static AVMutex mutex = AV_MUTEX_INITIALIZER;
 
@@ -296,14 +298,32 @@ static const char *item_name(void *obj, const AVClass *cls)
     return (cls->item_name ? cls->item_name : av_default_item_name)(obj);
 }
 
+static void format_date_now(AVBPrint* timeBuf, int include_date)
+{
+    struct tm *ptm, tmbuf;
+    const int64_t time_us = av_gettime();
+    const int64_t time_ms = time_us / 1000;
+    const time_t time_s   = time_ms / 1000;
+    const int millisec    = time_ms - (time_s * 1000);
+    ptm                   = localtime_r(&time_s, &tmbuf);
+    if (ptm) {
+        if (include_date)
+            av_bprint_strftime(timeBuf, "%Y-%m-%d ", ptm);
+
+        av_bprint_strftime(timeBuf, "%H:%M:%S", ptm);
+        av_bprintf(timeBuf, ".%03d ", millisec);
+    }
+}
+
 static void format_line(void *avcl, int level, const char *fmt, va_list vl,
-                        AVBPrint part[4], int *print_prefix, int type[2])
+                        AVBPrint part[5], int *print_prefix, int type[2])
 {
     AVClass* avc = avcl ? *(AVClass **) avcl : NULL;
     av_bprint_init(part+0, 0, AV_BPRINT_SIZE_AUTOMATIC);
     av_bprint_init(part+1, 0, AV_BPRINT_SIZE_AUTOMATIC);
     av_bprint_init(part+2, 0, AV_BPRINT_SIZE_AUTOMATIC);
     av_bprint_init(part+3, 0, 65536);
+    av_bprint_init(part+4, 0, AV_BPRINT_SIZE_AUTOMATIC);
 
     if(type) type[0] = type[1] = AV_CLASS_CATEGORY_NA + 16;
     if (*print_prefix && avc) {
@@ -321,6 +341,9 @@ static void format_line(void *avcl, int level, const char *fmt, va_list vl,
         if(type) type[1] = get_category(avcl);
     }
 
+    if (*print_prefix && (flags & (AV_LOG_PRINT_TIME | AV_LOG_PRINT_DATETIME)))
+        format_date_now(&part[4], flags & AV_LOG_PRINT_DATETIME);
+
     if (*print_prefix && (level > AV_LOG_QUIET) && (flags & AV_LOG_PRINT_LEVEL))
         av_bprintf(part+2, "[%s] ", get_level_str(level));
 
@@ -341,7 +364,7 @@ void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl,
 int av_log_format_line2(void *ptr, int level, const char *fmt, va_list vl,
                         char *line, int line_size, int *print_prefix)
 {
-    AVBPrint part[4];
+    AVBPrint part[5];
     int ret;
 
     format_line(ptr, level, fmt, vl, part, print_prefix, NULL);
@@ -355,7 +378,7 @@ void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
     static int print_prefix = 1;
     static int count;
     static char prev[LINE_SZ];
-    AVBPrint part[4];
+    AVBPrint part[5];
     char line[LINE_SZ];
     static int is_atty;
     int type[2];
@@ -390,6 +413,9 @@ void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
         count = 0;
     }
     strcpy(prev, line);
+
+    sanitize(part[4].str);
+    colored_fputs(7, 0, part[4].str);
     sanitize(part[0].str);
     colored_fputs(type[0], 0, part[0].str);
     sanitize(part[1].str);
diff --git a/libavutil/log.h b/libavutil/log.h
index 4c8c92266f..dd094307ce 100644
--- a/libavutil/log.h
+++ b/libavutil/log.h
@@ -406,6 +406,16 @@ int av_log_format_line2(void *ptr, int level, const char *fmt, va_list vl,
  */
 #define AV_LOG_PRINT_LEVEL 2
 
+/**
+ * Include system time in log output.
+ */
+#define AV_LOG_PRINT_TIME 4
+
+/**
+ * Include system date and time in log output.
+ */
+#define AV_LOG_PRINT_DATETIME 8
+
 void av_log_set_flags(int arg);
 int av_log_get_flags(void);
 
diff --git a/libavutil/version.h b/libavutil/version.h
index 83b7822125..ee4a36cb17 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -79,7 +79,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  59
-#define LIBAVUTIL_VERSION_MINOR  56
+#define LIBAVUTIL_VERSION_MINOR  57
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
-- 
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[FFmpeg-devel] [PATCH v3 2/3] fftools/opt_common: add timing and datetiming log flags

[softworkz]

From: softworkz <softworkz@hotmail.com>

This commit adds two logging flags: 'timing' and 'datetiming'.

Usage:

ffmpeg -loglevel +timing

or

ffmpeg -loglevel +datetiming

Setting av_log_set_flags(0) in term_exit in ffmpeg.c prevents
timing to be printed when exiting.

Signed-off-by: softworkz <softworkz@hotmail.com>
---
 fftools/ffmpeg.c     |  1 +
 fftools/opt_common.c | 12 ++++++++++++
 2 files changed, 13 insertions(+)

diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
index dc321fb4a2..f4c717afaa 100644
--- a/fftools/ffmpeg.c
+++ b/fftools/ffmpeg.c
@@ -130,6 +130,7 @@ static void term_exit_sigsafe(void)
 
 void term_exit(void)
 {
+    av_log_set_flags(0);
     av_log(NULL, AV_LOG_QUIET, "%s", "");
     term_exit_sigsafe();
 }
diff --git a/fftools/opt_common.c b/fftools/opt_common.c
index 34da2cee7d..94e9dae8b6 100644
--- a/fftools/opt_common.c
+++ b/fftools/opt_common.c
@@ -1292,6 +1292,18 @@ int opt_loglevel(void *optctx, const char *opt, const char *arg)
             } else {
                 flags |= AV_LOG_PRINT_LEVEL;
             }
+        } else if (av_strstart(token, "timing", &arg)) {
+            if (cmd == '-') {
+                flags &= ~AV_LOG_PRINT_TIME;
+            } else {
+                flags |= AV_LOG_PRINT_TIME;
+            }
+        } else if (av_strstart(token, "datetiming", &arg)) {
+            if (cmd == '-') {
+                flags &= ~AV_LOG_PRINT_DATETIME;
+            } else {
+                flags |= AV_LOG_PRINT_DATETIME;
+            }
         } else {
             break;
         }
-- 
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[FFmpeg-devel] [PATCH v3 3/3] doc/fftools-common-opts: document log timing flags

[softworkz]

From: softworkz <softworkz@hotmail.com>

Signed-off-by: softworkz <softworkz@hotmail.com>
---
 doc/fftools-common-opts.texi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/fftools-common-opts.texi b/doc/fftools-common-opts.texi
index 8b0931a86d..37bed92864 100644
--- a/doc/fftools-common-opts.texi
+++ b/doc/fftools-common-opts.texi
@@ -226,6 +226,10 @@ and the "Last message repeated n times" line will be omitted.
 Indicates that log output should add a @code{[level]} prefix to each message
 line. This can be used as an alternative to log coloring, e.g. when dumping the
 log to file.
+@item timing
+Indicates that log lines should be prefixed with timing information.
+@item datetiming
+Indicates that log lines should be prefixed with date and timing information.
 @end table
 Flags can also be used alone by adding a '+'/'-' prefix to set/reset a single
 flag without affecting other @var{flags} or changing @var{loglevel}. When
-- 
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Re: [FFmpeg-devel] [PATCH v3 0/3] Add option to log timing

[Marth64]

It works good. First pass thoughts:
1- Rename `timeBuf` -> `bp_time`, in this way it follows snake case
convention and conveys clearly that the parameter is an `AVBPrint`

2- Option switch: +datetime and +time feels lighter/easier (vs. -ing)

3- Term color: the space after the time keeps the background of the
time, which looks odd IMO with terminal emulator color schemes that
show the background.
Not sure if this is intentional. Let me know if you need a screenshot.

4- (Optional): how would you feel about RFC3339 representation? If
machine parsing is a goal for this.
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Re: [FFmpeg-devel] [PATCH v3 0/3] Add option to log timing

[Soft Works]

> -----Original Message-----
> From: Marth64 <marth64@proxyid.net>
> Sent: Friday, February 7, 2025 4:58 AM
> To: FFmpeg development discussions and patches <ffmpeg-
> devel@ffmpeg.org>
> Cc: Michael Niedermayer <michael@niedermayer.cc>; softworkz
> <softworkz@hotmail.com>; Soft Works <softworkz-at-
> hotmail.com@ffmpeg.org>
> Subject: Re: [FFmpeg-devel] [PATCH v3 0/3] Add option to log timing
> 
> It works good. 

Millions of log lines were written with it already :-)

> First pass thoughts:
> 1- Rename `timeBuf` -> `bp_time`, in this way it follows snake case
> convention and conveys clearly that the parameter is an `AVBPrint`

Oops, missed that.

> 2- Option switch: +datetime and +time feels lighter/easier (vs. -ing)

Sure, I don't remember how I even came to the 'ing'.

> 3- Term color: the space after the time keeps the background of the
> time, which looks odd IMO with terminal emulator color schemes that
> show the background.
> Not sure if this is intentional. Let me know if you need a
> screenshot.

Here are two screenshots:
https://gist.github.com/softworkz/f78a6a4973f804b9381fe37d5f75f9ea

I suppose the lower one is what you are referring to, but in the upper one you can see that there are many lines with black background where it would probably also be odd when there's a single white space in-between.
That being said, I don't really care about coloring so I'll gladly change it to whichever way is desired.

> 4- (Optional): how would you feel about RFC3339 representation? If
> machine parsing is a goal for this.

What I feel is that the T and Z letters make it just much harder to read.
Why wouldn't it be machine-parsable without those letters?

Thanks
sw



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Re: [FFmpeg-devel] [PATCH v3 0/3] Add option to log timing

[Marth64]

> it would probably also be odd when there's a single white space in-between.
Yes, it would look worse on white background. OK as is, then.

> Why wouldn't it be machine-parsable without those letters?
It is more about having timezone, etc.
I actually think it is better for readability as is, but was checking
if preservation for machine parsing* (phrasing what I meant
better) was a goal, then it should be compliant. But I don't see much
value in that.

Thanks
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Re: [FFmpeg-devel] [PATCH v3 0/3] Add option to log timing

[Marth64]

The example I was thinking of was if I wanted to look at the logs 2
years later, it would have time zone in case of DST or whatever.
But it's a total obscure stretch case IMO. I'm not advocating for it,
just sharing what I meant with my logic.
(And if someone really needs it later they can make a +rfc3339 switch
or whatever)
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Re: [FFmpeg-devel] [PATCH v3 0/3] Add option to log timing

[Soft Works]

> -----Original Message-----
> From: Marth64 <marth64@proxyid.net>
> Sent: Friday, February 7, 2025 5:47 AM
> To: Soft Works <softworkz@hotmail.com>
> Cc: FFmpeg development discussions and patches <ffmpeg-
> devel@ffmpeg.org>; Michael Niedermayer <michael@niedermayer.cc>; Soft
> Works <softworkz-at-hotmail.com@ffmpeg.org>
> Subject: Re: [FFmpeg-devel] [PATCH v3 0/3] Add option to log timing
> 
> > it would probably also be odd when there's a single white space in-
>   between.
>
> Yes, it would look worse on white background. OK as is, then.

Fine. If someone has a specific wish or idea, feel free to comment.

> > Why wouldn't it be machine-parsable without those letters?
>
> It is more about having timezone, etc.
> I actually think it is better for readability as is, but was checking
> if preservation for machine parsing* (phrasing what I meant
> better) was a goal, then it should be compliant. But I don't see much
> value in that.

We actually parse this output in some analysis tool, but only the time.

> The example I was thinking of was if I wanted to look at the logs 2
> years later, it would have time zone in case of DST or whatever.
> But it's a total obscure stretch case IMO. I'm not advocating for it,
> just sharing what I meant with my logic.
> (And if someone really needs it later they can make a +rfc3339 switch
> or whatever)

I don’t find that case "obscure" at all. In fact, the time zone can get really important when correlating information from multiple log files (e.g. ffmpeg + application). 
For this, we are printing the full date with time zone just once at the top of the logs and let ffmpeg print the time only. The date occupies a lot of horizontal screen estate which is inconvenient for manual review and largely redundant anyway. 
The only corner case would be a long-running process where ffmpeg doesn't print a single log line for a whole day - in that case, the time-only output would become ambiguous..

Thanks
sw

 



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Re: [FFmpeg-devel] [PATCH v3 0/3] Add option to log timing

[Marth64]

I meant obscure in the context of running ffmpeg CLI in a short lived
(<1 day) session for the average user.

Nonetheless I am good. Thanks!
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[FFmpeg-devel] [PATCH v4 0/3] Add option to log timing

[ffmpegagent]

This pathcset adds two logging flags: 'timing' and 'datetiming'.

Usage:

ffmpeg -loglevel +timing

or

ffmpeg -loglevel +datetiming

Update V1

 * Fix merge conflicts

Update V2

 * Rebased

Update V3

 * Fix print timing on exit (as reported by Michael Niedermayer)

softworkz (3):
  avutil/log: support logging of date and timing information
  fftools/opt_common: add timing and datetiming log flags
  doc/fftools-common-opts: document log timing flags

 doc/APIchanges               |  3 +++
 doc/fftools-common-opts.texi |  4 ++++
 fftools/ffmpeg.c             |  1 +
 fftools/opt_common.c         | 12 ++++++++++++
 libavutil/log.c              | 32 +++++++++++++++++++++++++++++---
 libavutil/log.h              | 10 ++++++++++
 libavutil/version.h          |  2 +-
 7 files changed, 60 insertions(+), 4 deletions(-)


base-commit: 4ba9ae7742a6f8a29d6486e25ff5709a075edb5b
Published-As: https://github.com/ffstaging/FFmpeg/releases/tag/pr-ffstaging-37%2Fsoftworkz%2Fsubmit_logtiming-v4
Fetch-It-Via: git fetch https://github.com/ffstaging/FFmpeg pr-ffstaging-37/softworkz/submit_logtiming-v4
Pull-Request: https://github.com/ffstaging/FFmpeg/pull/37

Range-diff vs v3:

 1:  13a7dc164b ! 1:  2871595d3b avutil/log: support logging of date and timing information
     @@ libavutil/log.c: static const char *item_name(void *obj, const AVClass *cls)
           return (cls->item_name ? cls->item_name : av_default_item_name)(obj);
       }
       
     -+static void format_date_now(AVBPrint* timeBuf, int include_date)
     ++static void format_date_now(AVBPrint* bp_time, int include_date)
      +{
      +    struct tm *ptm, tmbuf;
      +    const int64_t time_us = av_gettime();
     @@ libavutil/log.c: static const char *item_name(void *obj, const AVClass *cls)
      +    ptm                   = localtime_r(&time_s, &tmbuf);
      +    if (ptm) {
      +        if (include_date)
     -+            av_bprint_strftime(timeBuf, "%Y-%m-%d ", ptm);
     ++            av_bprint_strftime(bp_time, "%Y-%m-%d ", ptm);
      +
     -+        av_bprint_strftime(timeBuf, "%H:%M:%S", ptm);
     -+        av_bprintf(timeBuf, ".%03d ", millisec);
     ++        av_bprint_strftime(bp_time, "%H:%M:%S", ptm);
     ++        av_bprintf(bp_time, ".%03d ", millisec);
      +    }
      +}
      +
 2:  6c435fc02d ! 2:  aed251e1f5 fftools/opt_common: add timing and datetiming log flags
     @@ fftools/opt_common.c: int opt_loglevel(void *optctx, const char *opt, const char
                   } else {
                       flags |= AV_LOG_PRINT_LEVEL;
                   }
     -+        } else if (av_strstart(token, "timing", &arg)) {
     ++        } else if (av_strstart(token, "time", &arg)) {
      +            if (cmd == '-') {
      +                flags &= ~AV_LOG_PRINT_TIME;
      +            } else {
      +                flags |= AV_LOG_PRINT_TIME;
      +            }
     -+        } else if (av_strstart(token, "datetiming", &arg)) {
     ++        } else if (av_strstart(token, "datetime", &arg)) {
      +            if (cmd == '-') {
      +                flags &= ~AV_LOG_PRINT_DATETIME;
      +            } else {
 3:  f0aa91d5c1 ! 3:  600020f36e doc/fftools-common-opts: document log timing flags
     @@ doc/fftools-common-opts.texi: and the "Last message repeated n times" line will
       Indicates that log output should add a @code{[level]} prefix to each message
       line. This can be used as an alternative to log coloring, e.g. when dumping the
       log to file.
     -+@item timing
     -+Indicates that log lines should be prefixed with timing information.
     -+@item datetiming
     -+Indicates that log lines should be prefixed with date and timing information.
     ++@item time
     ++Indicates that log lines should be prefixed with time information.
     ++@item datetime
     ++Indicates that log lines should be prefixed with date and time information.
       @end table
       Flags can also be used alone by adding a '+'/'-' prefix to set/reset a single
       flag without affecting other @var{flags} or changing @var{loglevel}. When

-- 
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[FFmpeg-devel] [PATCH v4 1/3] avutil/log: support logging of date and timing information

[softworkz]

From: softworkz <softworkz@hotmail.com>

Signed-off-by: softworkz <softworkz@hotmail.com>
---
 doc/APIchanges      |  3 +++
 libavutil/log.c     | 32 +++++++++++++++++++++++++++++---
 libavutil/log.h     | 10 ++++++++++
 libavutil/version.h |  2 +-
 4 files changed, 43 insertions(+), 4 deletions(-)

diff --git a/doc/APIchanges b/doc/APIchanges
index 0f2b640601..83d57ae314 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -2,6 +2,9 @@ The last version increases of all libraries were on 2024-03-07
 
 API changes, most recent first:
 
+2025-01-xx - xxxxxxxxxx - lavu 59.57.100 - log.h
+  Add flags AV_LOG_PRINT_TIME and AV_LOG_PRINT_DATETIME.
+
 2025-01-25 - xxxxxxxxxx - lavu 59.56.100 - frame.h
   Add AV_SIDE_DATA_PROP_CHANNEL_DEPENDENT.
 
diff --git a/libavutil/log.c b/libavutil/log.c
index 46662f3db0..2fe21d4900 100644
--- a/libavutil/log.c
+++ b/libavutil/log.c
@@ -42,6 +42,8 @@
 #include "internal.h"
 #include "log.h"
 #include "thread.h"
+#include "time.h"
+#include "time_internal.h"
 
 static AVMutex mutex = AV_MUTEX_INITIALIZER;
 
@@ -296,14 +298,32 @@ static const char *item_name(void *obj, const AVClass *cls)
     return (cls->item_name ? cls->item_name : av_default_item_name)(obj);
 }
 
+static void format_date_now(AVBPrint* bp_time, int include_date)
+{
+    struct tm *ptm, tmbuf;
+    const int64_t time_us = av_gettime();
+    const int64_t time_ms = time_us / 1000;
+    const time_t time_s   = time_ms / 1000;
+    const int millisec    = time_ms - (time_s * 1000);
+    ptm                   = localtime_r(&time_s, &tmbuf);
+    if (ptm) {
+        if (include_date)
+            av_bprint_strftime(bp_time, "%Y-%m-%d ", ptm);
+
+        av_bprint_strftime(bp_time, "%H:%M:%S", ptm);
+        av_bprintf(bp_time, ".%03d ", millisec);
+    }
+}
+
 static void format_line(void *avcl, int level, const char *fmt, va_list vl,
-                        AVBPrint part[4], int *print_prefix, int type[2])
+                        AVBPrint part[5], int *print_prefix, int type[2])
 {
     AVClass* avc = avcl ? *(AVClass **) avcl : NULL;
     av_bprint_init(part+0, 0, AV_BPRINT_SIZE_AUTOMATIC);
     av_bprint_init(part+1, 0, AV_BPRINT_SIZE_AUTOMATIC);
     av_bprint_init(part+2, 0, AV_BPRINT_SIZE_AUTOMATIC);
     av_bprint_init(part+3, 0, 65536);
+    av_bprint_init(part+4, 0, AV_BPRINT_SIZE_AUTOMATIC);
 
     if(type) type[0] = type[1] = AV_CLASS_CATEGORY_NA + 16;
     if (*print_prefix && avc) {
@@ -321,6 +341,9 @@ static void format_line(void *avcl, int level, const char *fmt, va_list vl,
         if(type) type[1] = get_category(avcl);
     }
 
+    if (*print_prefix && (flags & (AV_LOG_PRINT_TIME | AV_LOG_PRINT_DATETIME)))
+        format_date_now(&part[4], flags & AV_LOG_PRINT_DATETIME);
+
     if (*print_prefix && (level > AV_LOG_QUIET) && (flags & AV_LOG_PRINT_LEVEL))
         av_bprintf(part+2, "[%s] ", get_level_str(level));
 
@@ -341,7 +364,7 @@ void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl,
 int av_log_format_line2(void *ptr, int level, const char *fmt, va_list vl,
                         char *line, int line_size, int *print_prefix)
 {
-    AVBPrint part[4];
+    AVBPrint part[5];
     int ret;
 
     format_line(ptr, level, fmt, vl, part, print_prefix, NULL);
@@ -355,7 +378,7 @@ void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
     static int print_prefix = 1;
     static int count;
     static char prev[LINE_SZ];
-    AVBPrint part[4];
+    AVBPrint part[5];
     char line[LINE_SZ];
     static int is_atty;
     int type[2];
@@ -390,6 +413,9 @@ void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
         count = 0;
     }
     strcpy(prev, line);
+
+    sanitize(part[4].str);
+    colored_fputs(7, 0, part[4].str);
     sanitize(part[0].str);
     colored_fputs(type[0], 0, part[0].str);
     sanitize(part[1].str);
diff --git a/libavutil/log.h b/libavutil/log.h
index 4c8c92266f..dd094307ce 100644
--- a/libavutil/log.h
+++ b/libavutil/log.h
@@ -406,6 +406,16 @@ int av_log_format_line2(void *ptr, int level, const char *fmt, va_list vl,
  */
 #define AV_LOG_PRINT_LEVEL 2
 
+/**
+ * Include system time in log output.
+ */
+#define AV_LOG_PRINT_TIME 4
+
+/**
+ * Include system date and time in log output.
+ */
+#define AV_LOG_PRINT_DATETIME 8
+
 void av_log_set_flags(int arg);
 int av_log_get_flags(void);
 
diff --git a/libavutil/version.h b/libavutil/version.h
index 83b7822125..ee4a36cb17 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -79,7 +79,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  59
-#define LIBAVUTIL_VERSION_MINOR  56
+#define LIBAVUTIL_VERSION_MINOR  57
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
-- 
ffmpeg-codebot

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[FFmpeg-devel] [PATCH v4 2/3] fftools/opt_common: add timing and datetiming log flags

[softworkz]

From: softworkz <softworkz@hotmail.com>

This commit adds two logging flags: 'timing' and 'datetiming'.

Usage:

ffmpeg -loglevel +timing

or

ffmpeg -loglevel +datetiming

Setting av_log_set_flags(0) in term_exit in ffmpeg.c prevents
timing to be printed when exiting.

Signed-off-by: softworkz <softworkz@hotmail.com>
---
 fftools/ffmpeg.c     |  1 +
 fftools/opt_common.c | 12 ++++++++++++
 2 files changed, 13 insertions(+)

diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
index dc321fb4a2..f4c717afaa 100644
--- a/fftools/ffmpeg.c
+++ b/fftools/ffmpeg.c
@@ -130,6 +130,7 @@ static void term_exit_sigsafe(void)
 
 void term_exit(void)
 {
+    av_log_set_flags(0);
     av_log(NULL, AV_LOG_QUIET, "%s", "");
     term_exit_sigsafe();
 }
diff --git a/fftools/opt_common.c b/fftools/opt_common.c
index 34da2cee7d..317e8458c1 100644
--- a/fftools/opt_common.c
+++ b/fftools/opt_common.c
@@ -1292,6 +1292,18 @@ int opt_loglevel(void *optctx, const char *opt, const char *arg)
             } else {
                 flags |= AV_LOG_PRINT_LEVEL;
             }
+        } else if (av_strstart(token, "time", &arg)) {
+            if (cmd == '-') {
+                flags &= ~AV_LOG_PRINT_TIME;
+            } else {
+                flags |= AV_LOG_PRINT_TIME;
+            }
+        } else if (av_strstart(token, "datetime", &arg)) {
+            if (cmd == '-') {
+                flags &= ~AV_LOG_PRINT_DATETIME;
+            } else {
+                flags |= AV_LOG_PRINT_DATETIME;
+            }
         } else {
             break;
         }
-- 
ffmpeg-codebot

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Re: [FFmpeg-devel] [PATCH v4 2/3] fftools/opt_common: add timing and datetiming log flags

[epirat07]

On 7 Feb 2025, at 7:27, softworkz wrote:

> From: softworkz <softworkz@hotmail.com>
>
> This commit adds two logging flags: 'timing' and 'datetiming'.
>
> Usage:
>
> ffmpeg -loglevel +timing
>
> or
>
> ffmpeg -loglevel +datetiming

This commit message seems out of date regarding the actual commit contents
given the flags are time and datetime now?

>
> Setting av_log_set_flags(0) in term_exit in ffmpeg.c prevents
> timing to be printed when exiting.
>
> Signed-off-by: softworkz <softworkz@hotmail.com>
> ---
>  fftools/ffmpeg.c     |  1 +
>  fftools/opt_common.c | 12 ++++++++++++
>  2 files changed, 13 insertions(+)
>
> diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
> index dc321fb4a2..f4c717afaa 100644
> --- a/fftools/ffmpeg.c
> +++ b/fftools/ffmpeg.c
> @@ -130,6 +130,7 @@ static void term_exit_sigsafe(void)
>
>  void term_exit(void)
>  {
> +    av_log_set_flags(0);
>      av_log(NULL, AV_LOG_QUIET, "%s", "");
>      term_exit_sigsafe();
>  }
> diff --git a/fftools/opt_common.c b/fftools/opt_common.c
> index 34da2cee7d..317e8458c1 100644
> --- a/fftools/opt_common.c
> +++ b/fftools/opt_common.c
> @@ -1292,6 +1292,18 @@ int opt_loglevel(void *optctx, const char *opt, const char *arg)
>              } else {
>                  flags |= AV_LOG_PRINT_LEVEL;
>              }
> +        } else if (av_strstart(token, "time", &arg)) {
> +            if (cmd == '-') {
> +                flags &= ~AV_LOG_PRINT_TIME;
> +            } else {
> +                flags |= AV_LOG_PRINT_TIME;
> +            }
> +        } else if (av_strstart(token, "datetime", &arg)) {
> +            if (cmd == '-') {
> +                flags &= ~AV_LOG_PRINT_DATETIME;
> +            } else {
> +                flags |= AV_LOG_PRINT_DATETIME;
> +            }
>          } else {
>              break;
>          }
> -- 
> ffmpeg-codebot
>
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel@ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>
> To unsubscribe, visit link above, or email
> ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
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Re: [FFmpeg-devel] [PATCH v4 2/3] fftools/opt_common: add timing and datetiming log flags

[Soft Works]

> -----Original Message-----
> From: ffmpeg-devel <ffmpeg-devel-bounces@ffmpeg.org> On Behalf Of
> epirat07@gmail.com
> Sent: Friday, February 7, 2025 7:46 AM
> To: FFmpeg development discussions and patches <ffmpeg-
> devel@ffmpeg.org>
> Subject: Re: [FFmpeg-devel] [PATCH v4 2/3] fftools/opt_common: add
> timing and datetiming log flags
> 
> 
> 
> On 7 Feb 2025, at 7:27, softworkz wrote:
> 
> > From: softworkz <softworkz@hotmail.com>
> >
> > This commit adds two logging flags: 'timing' and 'datetiming'.
> >
> > Usage:
> >
> > ffmpeg -loglevel +timing
> >
> > or
> >
> > ffmpeg -loglevel +datetiming
> 
> This commit message seems out of date regarding the actual commit
> contents
> given the flags are time and datetime now?

Yes of course. Thanks!

sw
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[FFmpeg-devel] [PATCH v4 3/3] doc/fftools-common-opts: document log timing flags

[softworkz]

From: softworkz <softworkz@hotmail.com>

Signed-off-by: softworkz <softworkz@hotmail.com>
---
 doc/fftools-common-opts.texi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/fftools-common-opts.texi b/doc/fftools-common-opts.texi
index 8b0931a86d..f6d452c40e 100644
--- a/doc/fftools-common-opts.texi
+++ b/doc/fftools-common-opts.texi
@@ -226,6 +226,10 @@ and the "Last message repeated n times" line will be omitted.
 Indicates that log output should add a @code{[level]} prefix to each message
 line. This can be used as an alternative to log coloring, e.g. when dumping the
 log to file.
+@item time
+Indicates that log lines should be prefixed with time information.
+@item datetime
+Indicates that log lines should be prefixed with date and time information.
 @end table
 Flags can also be used alone by adding a '+'/'-' prefix to set/reset a single
 flag without affecting other @var{flags} or changing @var{loglevel}. When
-- 
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[FFmpeg-devel] [PATCH v5 0/3] Add option to log timing

[ffmpegagent]

This commit adds two logging flags: 'time' and 'datetime'.

Usage:

ffmpeg -loglevel +time

or

ffmpeg -loglevel +datetime

Update V1

 * Fix merge conflicts

Update V2

 * Rebased

Update V3

 * Fix print timing on exit (as reported by Michael Niedermayer)

Update V4

 * Rename variable
 * Rename flags to time and datetime (as suggested by Marth64)

Update V5

 * Fix commit message (as noted by epirat07)

softworkz (3):
  avutil/log: support logging of date and time information
  fftools/opt_common: add time and datetime log flags
  doc/fftools-common-opts: document log timing flags

 doc/APIchanges               |  3 +++
 doc/fftools-common-opts.texi |  4 ++++
 fftools/ffmpeg.c             |  1 +
 fftools/opt_common.c         | 12 ++++++++++++
 libavutil/log.c              | 32 +++++++++++++++++++++++++++++---
 libavutil/log.h              | 10 ++++++++++
 libavutil/version.h          |  2 +-
 7 files changed, 60 insertions(+), 4 deletions(-)


base-commit: 4ba9ae7742a6f8a29d6486e25ff5709a075edb5b
Published-As: https://github.com/ffstaging/FFmpeg/releases/tag/pr-ffstaging-37%2Fsoftworkz%2Fsubmit_logtiming-v5
Fetch-It-Via: git fetch https://github.com/ffstaging/FFmpeg pr-ffstaging-37/softworkz/submit_logtiming-v5
Pull-Request: https://github.com/ffstaging/FFmpeg/pull/37

Range-diff vs v4:

 1:  2871595d3b ! 1:  dae6bd3210 avutil/log: support logging of date and timing information
     @@ Metadata
      Author: softworkz <softworkz@hotmail.com>
      
       ## Commit message ##
     -    avutil/log: support logging of date and timing information
     +    avutil/log: support logging of date and time information
      
          Signed-off-by: softworkz <softworkz@hotmail.com>
      
 2:  aed251e1f5 ! 2:  63ab3a9411 fftools/opt_common: add timing and datetiming log flags
     @@ Metadata
      Author: softworkz <softworkz@hotmail.com>
      
       ## Commit message ##
     -    fftools/opt_common: add timing and datetiming log flags
     +    fftools/opt_common: add time and datetime log flags
      
     -    This commit adds two logging flags: 'timing' and 'datetiming'.
     +    This commit adds two logging flags: 'time' and 'datetime'.
      
          Usage:
      
     -    ffmpeg -loglevel +timing
     +    ffmpeg -loglevel +time
      
          or
      
     -    ffmpeg -loglevel +datetiming
     +    ffmpeg -loglevel +datetime
      
          Setting av_log_set_flags(0) in term_exit in ffmpeg.c prevents
          timing to be printed when exiting.
 3:  600020f36e = 3:  038cbf45ed doc/fftools-common-opts: document log timing flags

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[FFmpeg-devel] [PATCH v5 1/3] avutil/log: support logging of date and time information

[softworkz]

From: softworkz <softworkz@hotmail.com>

Signed-off-by: softworkz <softworkz@hotmail.com>
---
 doc/APIchanges      |  3 +++
 libavutil/log.c     | 32 +++++++++++++++++++++++++++++---
 libavutil/log.h     | 10 ++++++++++
 libavutil/version.h |  2 +-
 4 files changed, 43 insertions(+), 4 deletions(-)

diff --git a/doc/APIchanges b/doc/APIchanges
index 0f2b640601..83d57ae314 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -2,6 +2,9 @@ The last version increases of all libraries were on 2024-03-07
 
 API changes, most recent first:
 
+2025-01-xx - xxxxxxxxxx - lavu 59.57.100 - log.h
+  Add flags AV_LOG_PRINT_TIME and AV_LOG_PRINT_DATETIME.
+
 2025-01-25 - xxxxxxxxxx - lavu 59.56.100 - frame.h
   Add AV_SIDE_DATA_PROP_CHANNEL_DEPENDENT.
 
diff --git a/libavutil/log.c b/libavutil/log.c
index 46662f3db0..2fe21d4900 100644
--- a/libavutil/log.c
+++ b/libavutil/log.c
@@ -42,6 +42,8 @@
 #include "internal.h"
 #include "log.h"
 #include "thread.h"
+#include "time.h"
+#include "time_internal.h"
 
 static AVMutex mutex = AV_MUTEX_INITIALIZER;
 
@@ -296,14 +298,32 @@ static const char *item_name(void *obj, const AVClass *cls)
     return (cls->item_name ? cls->item_name : av_default_item_name)(obj);
 }
 
+static void format_date_now(AVBPrint* bp_time, int include_date)
+{
+    struct tm *ptm, tmbuf;
+    const int64_t time_us = av_gettime();
+    const int64_t time_ms = time_us / 1000;
+    const time_t time_s   = time_ms / 1000;
+    const int millisec    = time_ms - (time_s * 1000);
+    ptm                   = localtime_r(&time_s, &tmbuf);
+    if (ptm) {
+        if (include_date)
+            av_bprint_strftime(bp_time, "%Y-%m-%d ", ptm);
+
+        av_bprint_strftime(bp_time, "%H:%M:%S", ptm);
+        av_bprintf(bp_time, ".%03d ", millisec);
+    }
+}
+
 static void format_line(void *avcl, int level, const char *fmt, va_list vl,
-                        AVBPrint part[4], int *print_prefix, int type[2])
+                        AVBPrint part[5], int *print_prefix, int type[2])
 {
     AVClass* avc = avcl ? *(AVClass **) avcl : NULL;
     av_bprint_init(part+0, 0, AV_BPRINT_SIZE_AUTOMATIC);
     av_bprint_init(part+1, 0, AV_BPRINT_SIZE_AUTOMATIC);
     av_bprint_init(part+2, 0, AV_BPRINT_SIZE_AUTOMATIC);
     av_bprint_init(part+3, 0, 65536);
+    av_bprint_init(part+4, 0, AV_BPRINT_SIZE_AUTOMATIC);
 
     if(type) type[0] = type[1] = AV_CLASS_CATEGORY_NA + 16;
     if (*print_prefix && avc) {
@@ -321,6 +341,9 @@ static void format_line(void *avcl, int level, const char *fmt, va_list vl,
         if(type) type[1] = get_category(avcl);
     }
 
+    if (*print_prefix && (flags & (AV_LOG_PRINT_TIME | AV_LOG_PRINT_DATETIME)))
+        format_date_now(&part[4], flags & AV_LOG_PRINT_DATETIME);
+
     if (*print_prefix && (level > AV_LOG_QUIET) && (flags & AV_LOG_PRINT_LEVEL))
         av_bprintf(part+2, "[%s] ", get_level_str(level));
 
@@ -341,7 +364,7 @@ void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl,
 int av_log_format_line2(void *ptr, int level, const char *fmt, va_list vl,
                         char *line, int line_size, int *print_prefix)
 {
-    AVBPrint part[4];
+    AVBPrint part[5];
     int ret;
 
     format_line(ptr, level, fmt, vl, part, print_prefix, NULL);
@@ -355,7 +378,7 @@ void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
     static int print_prefix = 1;
     static int count;
     static char prev[LINE_SZ];
-    AVBPrint part[4];
+    AVBPrint part[5];
     char line[LINE_SZ];
     static int is_atty;
     int type[2];
@@ -390,6 +413,9 @@ void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
         count = 0;
     }
     strcpy(prev, line);
+
+    sanitize(part[4].str);
+    colored_fputs(7, 0, part[4].str);
     sanitize(part[0].str);
     colored_fputs(type[0], 0, part[0].str);
     sanitize(part[1].str);
diff --git a/libavutil/log.h b/libavutil/log.h
index 4c8c92266f..dd094307ce 100644
--- a/libavutil/log.h
+++ b/libavutil/log.h
@@ -406,6 +406,16 @@ int av_log_format_line2(void *ptr, int level, const char *fmt, va_list vl,
  */
 #define AV_LOG_PRINT_LEVEL 2
 
+/**
+ * Include system time in log output.
+ */
+#define AV_LOG_PRINT_TIME 4
+
+/**
+ * Include system date and time in log output.
+ */
+#define AV_LOG_PRINT_DATETIME 8
+
 void av_log_set_flags(int arg);
 int av_log_get_flags(void);
 
diff --git a/libavutil/version.h b/libavutil/version.h
index 83b7822125..ee4a36cb17 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -79,7 +79,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  59
-#define LIBAVUTIL_VERSION_MINOR  56
+#define LIBAVUTIL_VERSION_MINOR  57
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
-- 
ffmpeg-codebot

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[FFmpeg-devel] [PATCH v5 2/3] fftools/opt_common: add time and datetime log flags

[softworkz]

From: softworkz <softworkz@hotmail.com>

This commit adds two logging flags: 'time' and 'datetime'.

Usage:

ffmpeg -loglevel +time

or

ffmpeg -loglevel +datetime

Setting av_log_set_flags(0) in term_exit in ffmpeg.c prevents
timing to be printed when exiting.

Signed-off-by: softworkz <softworkz@hotmail.com>
---
 fftools/ffmpeg.c     |  1 +
 fftools/opt_common.c | 12 ++++++++++++
 2 files changed, 13 insertions(+)

diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
index dc321fb4a2..f4c717afaa 100644
--- a/fftools/ffmpeg.c
+++ b/fftools/ffmpeg.c
@@ -130,6 +130,7 @@ static void term_exit_sigsafe(void)
 
 void term_exit(void)
 {
+    av_log_set_flags(0);
     av_log(NULL, AV_LOG_QUIET, "%s", "");
     term_exit_sigsafe();
 }
diff --git a/fftools/opt_common.c b/fftools/opt_common.c
index 34da2cee7d..317e8458c1 100644
--- a/fftools/opt_common.c
+++ b/fftools/opt_common.c
@@ -1292,6 +1292,18 @@ int opt_loglevel(void *optctx, const char *opt, const char *arg)
             } else {
                 flags |= AV_LOG_PRINT_LEVEL;
             }
+        } else if (av_strstart(token, "time", &arg)) {
+            if (cmd == '-') {
+                flags &= ~AV_LOG_PRINT_TIME;
+            } else {
+                flags |= AV_LOG_PRINT_TIME;
+            }
+        } else if (av_strstart(token, "datetime", &arg)) {
+            if (cmd == '-') {
+                flags &= ~AV_LOG_PRINT_DATETIME;
+            } else {
+                flags |= AV_LOG_PRINT_DATETIME;
+            }
         } else {
             break;
         }
-- 
ffmpeg-codebot

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Re: [FFmpeg-devel] [PATCH v5 2/3] fftools/opt_common: add time and datetime log flags

[Tobias Rapp]

On 07/02/2025 08:57, softworkz wrote:

> From: softworkz <softworkz@hotmail.com>
>
> This commit adds two logging flags: 'time' and 'datetime'.
>
> Usage:
>
> ffmpeg -loglevel +time
>
> or
>
> ffmpeg -loglevel +datetime
>
> Setting av_log_set_flags(0) in term_exit in ffmpeg.c prevents
> timing to be printed when exiting.
>
> Signed-off-by: softworkz <softworkz@hotmail.com>
> ---
>   fftools/ffmpeg.c     |  1 +
>   fftools/opt_common.c | 12 ++++++++++++
>   2 files changed, 13 insertions(+)
>
> diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
> index dc321fb4a2..f4c717afaa 100644
> --- a/fftools/ffmpeg.c
> +++ b/fftools/ffmpeg.c
> @@ -130,6 +130,7 @@ static void term_exit_sigsafe(void)
>   
>   void term_exit(void)
>   {
> +    av_log_set_flags(0);
>       av_log(NULL, AV_LOG_QUIET, "%s", "");
>       term_exit_sigsafe();
>   }

If I understand the purpose of AV_LOG_QUIET correctly the correct way 
would be to skip writing time/datetime information in the log writer 
itself (part of patch #1 in this patch-set) if level is <= AV_LOG_QUIET, 
rather than clearing the flags here.

Regards,
Tobias

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Re: [FFmpeg-devel] [PATCH v5 2/3] fftools/opt_common: add time and datetime log flags

[Soft Works]

> -----Original Message-----
> From: ffmpeg-devel <ffmpeg-devel-bounces@ffmpeg.org> On Behalf Of
> Tobias Rapp
> Sent: Friday, February 7, 2025 11:42 AM
> To: ffmpeg-devel@ffmpeg.org
> Subject: Re: [FFmpeg-devel] [PATCH v5 2/3] fftools/opt_common: add
> time and datetime log flags
> 
> On 07/02/2025 08:57, softworkz wrote:
> 
> > From: softworkz <softworkz@hotmail.com>
> >
> > This commit adds two logging flags: 'time' and 'datetime'.
> >
> > Usage:
> >
> > ffmpeg -loglevel +time
> >
> > or
> >
> > ffmpeg -loglevel +datetime
> >
> > Setting av_log_set_flags(0) in term_exit in ffmpeg.c prevents
> > timing to be printed when exiting.
> >
> > Signed-off-by: softworkz <softworkz@hotmail.com>
> > ---
> >   fftools/ffmpeg.c     |  1 +
> >   fftools/opt_common.c | 12 ++++++++++++
> >   2 files changed, 13 insertions(+)
> >
> > diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
> > index dc321fb4a2..f4c717afaa 100644
> > --- a/fftools/ffmpeg.c
> > +++ b/fftools/ffmpeg.c
> > @@ -130,6 +130,7 @@ static void term_exit_sigsafe(void)
> >
> >   void term_exit(void)
> >   {
> > +    av_log_set_flags(0);
> >       av_log(NULL, AV_LOG_QUIET, "%s", "");
> >       term_exit_sigsafe();
> >   }
> 
> If I understand the purpose of AV_LOG_QUIET correctly the correct way
> would be to skip writing time/datetime information in the log writer
> itself (part of patch #1 in this patch-set) if level is <=
> AV_LOG_QUIET,
> rather than clearing the flags here.
> 
> Regards,
> Tobias


Hi Tobias,

my understanding of AV_LOG_QUIET would be that when program code logs a message with that level, it will be printed even when the user has "-loglevel quiet".
I would wonder why such log messages shouldn't be prefixed with the time (normally). 
To me it appears that the special case is rather the log invocation on exit which prints - well: nothing.

I'd rather question why it is not printing the log level for quiet. Is it really intended or was it only done to make it possible to print this empty message on exit?

Do I see it wrong? Then I'll change it of course.

Thanks a lot for reviewing!

sw





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[FFmpeg-devel] [PATCH v5 3/3] doc/fftools-common-opts: document log timing flags

[softworkz]

From: softworkz <softworkz@hotmail.com>

Signed-off-by: softworkz <softworkz@hotmail.com>
---
 doc/fftools-common-opts.texi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/fftools-common-opts.texi b/doc/fftools-common-opts.texi
index 8b0931a86d..f6d452c40e 100644
--- a/doc/fftools-common-opts.texi
+++ b/doc/fftools-common-opts.texi
@@ -226,6 +226,10 @@ and the "Last message repeated n times" line will be omitted.
 Indicates that log output should add a @code{[level]} prefix to each message
 line. This can be used as an alternative to log coloring, e.g. when dumping the
 log to file.
+@item time
+Indicates that log lines should be prefixed with time information.
+@item datetime
+Indicates that log lines should be prefixed with date and time information.
 @end table
 Flags can also be used alone by adding a '+'/'-' prefix to set/reset a single
 flag without affecting other @var{flags} or changing @var{loglevel}. When
-- 
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