On Wed, Jul 01, 2020 at 09:39:58PM +0800, 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 | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/libavdevice/decklink_dec.cpp b/libavdevice/decklink_dec.cpp
> index 82106aa..0fc1489 100644
> --- a/libavdevice/decklink_dec.cpp
> +++ b/libavdevice/decklink_dec.cpp
> @@ -41,6 +41,7 @@ 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"
> @@ -778,6 +779,21 @@ HRESULT decklink_input_callback::VideoInputFrameArrived(
> AVDictionary* metadata_dict = NULL;
> int metadata_len;
> uint8_t* packed_metadata;
> + AVTimecode tcr;
> + uint32_t tc_data;
> + uint8_t *sd;
> + int size = sizeof(uint32_t) * 4;
> +
> + if (av_timecode_init_from_string(&tcr,
> ctx->video_st->r_frame_rate, tc, ctx) >= 0) {
> + if ((tc_data =
> av_timecode_get_smpte_from_framenum(&tcr, 0)) > 0) {
> + 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);
> --
> 1.8.3.1
>
Marton, please help to review and give comments.
--
Thanks,
Limin Wang
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
