diff options
| -rw-r--r-- | src/rmd_get_frame.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/rmd_get_frame.c b/src/rmd_get_frame.c index 5c6e800..50a58ce 100644 --- a/src/rmd_get_frame.c +++ b/src/rmd_get_frame.c @@ -580,11 +580,26 @@ void *rmdGetFrame(ProgData *pdata) { if (!pdata->args.full_shots) rmdClearList(&pdata->rect_root); + /* Since frame acquisition may take a long and variable time, update + * frameno again just in case we've missed some so they can be included + * as this frame by the encoder. + */ + pthread_mutex_lock(&pdata->time_mutex); + time_frameno = pdata->time_frameno; + pthread_mutex_unlock(&pdata->time_mutex); + /* notify the encoder of the new frame */ pthread_mutex_lock(&pdata->img_buff_ready_mutex); pdata->capture_frameno = time_frameno; pthread_cond_signal(&pdata->image_buffer_ready); pthread_mutex_unlock(&pdata->img_buff_ready_mutex); + + /* XXX: note if the encoder thread doesn't manage to wake up and grab the yuv_mutex + * before this thread does in response to another tick, then the frame just + * submitted is lost and the encoder thread will wait again for another frame. + * In practice if this never happens it's irrelevant, but if it proves to be an + * issue there are options. + */ } if (!pdata->args.noframe) |