@@ -897,9 +897,18 @@ can be used:

 ffmpeg -f v4l2 -r 1 -i /dev/video0 -f image2 -strftime 1 "%Y-%m-%d_%H-%M-%S.jpg"

 @end example

+You can set the file name with current frame's PTS:

+@example

+ffmpeg -f v4l2 -r 1 -i /dev/video0 -copyts -f image2 -frame_pts true %d.jpg"

+@end example

+

 @subsection Options

 @table @option

+@item frame_pts

+If set to 1, expand the filename with pts from pkt->pts.

+Default value is 0.

+

 @item start_number

 Start the sequence from the specified number. Default value is 1.

@@ -42,6 +42,7 @@ typedef struct VideoMuxData {

     char target[4][1024];

     int update;

     int use_strftime;

+    int frame_pts;

     const char *muxer;

     int use_rename;

 } VideoMuxData;

@@ -99,6 +100,11 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)

                 av_log(s, AV_LOG_ERROR, "Could not get frame filename with strftime\n");

                 return AVERROR(EINVAL);

             }

+        } else if (img->frame_pts) {

+            if (av_get_frame_filename2(filename, sizeof(filename), img->path, pkt->pts, AV_FRAME_FILENAME_FLAGS_MULTIPLE) < 0) {

+                av_log(s, AV_LOG_ERROR, "Cannot write filename by pts of the frames.");

+                return AVERROR(EINVAL);

+            }

         } else if (av_get_frame_filename2(filename, sizeof(filename), img->path,

                                           img->img_number,

                                           AV_FRAME_FILENAME_FLAGS_MULTIPLE) < 0 &&

@@ -206,6 +212,7 @@ static const AVOption muxoptions[] = {

     { "update",       "continuously overwrite one file", OFFSET(update),  AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0,       1, ENC },

     { "start_number", "set first number in the sequence", OFFSET(img_number), AV_OPT_TYPE_INT,  { .i64 = 1 }, 0, INT_MAX, ENC },

     { "strftime",     "use strftime for filename", OFFSET(use_strftime),  AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, ENC },

+    { "frame_pts",    "use current frame pts for filename", OFFSET(frame_pts),  AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, ENC },

     { "atomic_writing", "write files atomically (using temporary files and renames)", OFFSET(use_rename), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, ENC },

     { NULL },

 };