avdevice/decklink_dec: capture timecode to metadata when requested

If the user provides a valid timecode_format look for timecode of that
format in the capture and if found store it on the video avstream's
metadata.

Slightly modified by Marton Balint to capture per-frame timecode as well.

Signed-off-by: Marton Balint <cus@passwd.hu>

1 files changed, 12 insertions, 0 deletions

diff --git a/libavdevice/decklink_common.h b/libavdevice/decklink_common.h
index 8064abdcb9..96b001c2d8 100644
--- a/libavdevice/decklink_common.h
+++ b/libavdevice/decklink_common.h
@@ -93,6 +93,7 @@ struct decklink_ctx {
     BMDDisplayMode bmd_mode;
     BMDVideoConnection video_input;
     BMDAudioConnection audio_input;
+    BMDTimecodeFormat tc_format;
     int bmd_width;
     int bmd_height;
     int bmd_field_dominance;
@@ -169,6 +170,17 @@ static const BMDVideoConnection decklink_video_connection_map[] = {
     bmdVideoConnectionSVideo,
 };
 
+static const BMDTimecodeFormat decklink_timecode_format_map[] = {
+    (BMDTimecodeFormat)0,
+    bmdTimecodeRP188VITC1,
+    bmdTimecodeRP188VITC2,
+    bmdTimecodeRP188LTC,
+    bmdTimecodeRP188Any,
+    bmdTimecodeVITC,
+    bmdTimecodeVITCField2,
+    bmdTimecodeSerial,
+};
+
 HRESULT ff_decklink_get_display_name(IDeckLink *This, const char **displayName);
 int ff_decklink_set_configs(AVFormatContext *avctx, decklink_direction_t direction);
 int ff_decklink_set_format(AVFormatContext *avctx, int width, int height, int tb_num, int tb_den, enum AVFieldOrder field_order, decklink_direction_t direction = DIRECTION_OUT, int num = 0);