[PATCH v2 7/9] Print timestamp type and source for dequeued buffers

[Sakari Ailus]

Signed-off-by: Sakari Ailus <sakari.ai...@iki.fi>
---
 yavta.c |   52 ++++++++++++++++++++++++++++++----------------------
 1 file changed, 30 insertions(+), 22 deletions(-)

diff --git a/yavta.c b/yavta.c
index a2e0666..9810dcf 100644
--- a/yavta.c
+++ b/yavta.c
@@ -659,6 +659,30 @@ static void video_buffer_fill_userptr(struct device *dev, 
struct buffer *buffer,
                v4l2buf->m.planes[i].m.userptr = (unsigned long)buffer->mem[i];
 }
 
+static void get_ts_flags(uint32_t flags, const char **ts_type, const char 
**ts_source)
+{
+       switch (flags & V4L2_BUF_FLAG_TIMESTAMP_MASK) {
+       case V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN:
+               *ts_type = "unknown";
+               break;
+       case V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC:
+               *ts_type = "monotonic";
+               break;
+       default:
+               *ts_type = "invalid";
+       }
+       switch (flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK) {
+       case V4L2_BUF_FLAG_TSTAMP_SRC_EOF:
+               *ts_source = "EoF";
+               break;
+       case V4L2_BUF_FLAG_TSTAMP_SRC_SOE:
+               *ts_source = "SoE";
+               break;
+       default:
+               *ts_source = "invalid";
+       }
+}
+
 static int video_alloc_buffers(struct device *dev, int nbufs,
        unsigned int offset, unsigned int padding)
 {
@@ -706,26 +730,7 @@ static int video_alloc_buffers(struct device *dev, int 
nbufs,
                                strerror(errno), errno);
                        return ret;
                }
-               switch (buf.flags & V4L2_BUF_FLAG_TIMESTAMP_MASK) {
-               case V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN:
-                       ts_type = "unknown";
-                       break;
-               case V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC:
-                       ts_type = "monotonic";
-                       break;
-               default:
-                       ts_type = "invalid";
-               }
-               switch (buf.flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK) {
-               case V4L2_BUF_FLAG_TSTAMP_SRC_EOF:
-                       ts_source = "EoF";
-                       break;
-               case V4L2_BUF_FLAG_TSTAMP_SRC_SOE:
-                       ts_source = "SoE";
-                       break;
-               default:
-                       ts_source = "invalid";
-               }
+               get_ts_flags(buf.flags, &ts_type, &ts_source);
                printf("length: %u offset: %u timestamp type/source: %s/%s\n",
                       buf.length, buf.m.offset, ts_type, ts_source);
 
@@ -1393,6 +1398,7 @@ static int video_do_capture(struct device *dev, unsigned 
int nframes,
        last.tv_usec = start.tv_nsec / 1000;
 
        for (i = 0; i < nframes; ++i) {
+               const char *ts_type, *ts_source;
                /* Dequeue a buffer. */
                memset(&buf, 0, sizeof buf);
                memset(planes, 0, sizeof planes);
@@ -1425,10 +1431,12 @@ static int video_do_capture(struct device *dev, 
unsigned int nframes,
                fps = fps ? 1000000.0 / fps : 0.0;
 
                clock_gettime(CLOCK_MONOTONIC, &ts);
-               printf("%u (%u) [%c] %u %u bytes %ld.%06ld %ld.%06ld %.3f 
fps\n", i, buf.index,
+               get_ts_flags(buf.flags, &ts_type, &ts_source);
+               printf("%u (%u) [%c] %u %u bytes %ld.%06ld %ld.%06ld %.3f fps 
tstamp type/src %s/%s\n", i, buf.index,
                        (buf.flags & V4L2_BUF_FLAG_ERROR) ? 'E' : '-',
                        buf.sequence, buf.bytesused, buf.timestamp.tv_sec,
-                       buf.timestamp.tv_usec, ts.tv_sec, ts.tv_nsec/1000, fps);
+                       buf.timestamp.tv_usec, ts.tv_sec, ts.tv_nsec/1000, fps,
+                       ts_type, ts_source);
 
                last = buf.timestamp;
 
-- 
1.7.10.4

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