On Sun, 12 Jul 2020, lance.lmw...@gmail.com wrote:
From: Limin Wang <lance.lmw...@gmail.com>
Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
---
libavdevice/decklink_dec.cpp | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/libavdevice/decklink_dec.cpp b/libavdevice/decklink_dec.cpp
index a499972..146f56f 100644
--- a/libavdevice/decklink_dec.cpp
+++ b/libavdevice/decklink_dec.cpp
@@ -42,6 +42,7 @@ extern "C" {
#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/time.h"
+#include "libavutil/timecode.h"
#include "libavutil/mathematics.h"
#include "libavutil/reverse.h"
#include "avdevice.h"
@@ -882,6 +883,19 @@ HRESULT decklink_input_callback::VideoInputFrameArrived(
AVDictionary* metadata_dict = NULL;
int metadata_len;
uint8_t* packed_metadata;
+ AVTimecode tcr;
+
+ if (av_timecode_init_from_string(&tcr,
ctx->video_st->r_frame_rate, tc, ctx) >= 0) {
+ uint32_t tc_data =
av_timecode_get_smpte_from_framenum(&tcr, 0);
+ int size = sizeof(uint32_t) * 4;
+ uint8_t *sd = av_packet_new_side_data(&pkt,
AV_PKT_DATA_S12M_TIMECODE, size);
+
+ if (sd) {
+ AV_WL32(sd, 1); // one TC ;
+ AV_WL32(sd + 4, tc_data); // TC;
+ }
+ }
+
if (av_dict_set(&metadata_dict, "timecode", tc,
AV_DICT_DONT_STRDUP_VAL) >= 0) {
packed_metadata =
av_packet_pack_dictionary(metadata_dict, &metadata_len);
av_dict_free(&metadata_dict);
LGTM, thanks.
Marton
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