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avdevice/decklink_dec: export timecode with s12m side data

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Reviewed-by: Marton Balint <cus@passwd.hu>
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
This commit is contained in:
Limin Wang 2020-07-12 06:29:10 +08:00
parent 448a9aaa78
commit a54b367c78
1 changed files with 14 additions and 0 deletions
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14
libavdevice/decklink_dec.cpp
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@ -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;
uint32_t *sd = (uint32_t *)av_packet_new_side_data(&pkt, AV_PKT_DATA_S12M_TIMECODE, size);
if (sd) {
*sd = 1; // one TC
*(sd + 1) = 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);