On Mon, Jul 13, 2020 at 12:46:17PM +0800, lance.lmw...@gmail.com wrote:
> From: Limin Wang <lance.lmw...@gmail.com>
>
> Reviewed-by: Marton Balint <c...@passwd.hu>
> 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..dde68ff 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;
> + 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);
> --
> 1.8.3.1
>
will apply the patchset tomorrow if no more comments. I have other change to
support > 30FPS
and plan to submit them in separate patch later.
--
Thanks,
Limin Wang
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