mirror of https://git.ffmpeg.org/ffmpeg.git
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>
This commit is contained in:
Jon Morley
Marton Balint
parent
fb480a1f1e
commit
0946c0ec17
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@ -326,6 +326,12 @@ Defaults to @samp{2}.
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Sets the decklink device duplex mode. Must be @samp{unset}, @samp{half} or @samp{full}.
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Defaults to @samp{unset}.
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@item timecode_format
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Timecode type to include in the frame and video stream metadata. Must be
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@samp{none}, @samp{rp188vitc}, @samp{rp188vitc2}, @samp{rp188ltc},
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@samp{rp188any}, @samp{vitc}, @samp{vitc2}, or @samp{serial}. Defaults to
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@samp{none} (not included).
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@item video_input
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Sets the video input source. Must be @samp{unset}, @samp{sdi}, @samp{hdmi},
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@samp{optical_sdi}, @samp{component}, @samp{composite} or @samp{s_video}.
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@ -93,6 +93,7 @@ struct decklink_ctx {
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BMDDisplayMode bmd_mode;
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BMDVideoConnection video_input;
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BMDAudioConnection audio_input;
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BMDTimecodeFormat tc_format;
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int bmd_width;
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int bmd_height;
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int bmd_field_dominance;
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@ -169,6 +170,17 @@ static const BMDVideoConnection decklink_video_connection_map[] = {
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bmdVideoConnectionSVideo,
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};
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static const BMDTimecodeFormat decklink_timecode_format_map[] = {
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(BMDTimecodeFormat)0,
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bmdTimecodeRP188VITC1,
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bmdTimecodeRP188VITC2,
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bmdTimecodeRP188LTC,
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bmdTimecodeRP188Any,
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bmdTimecodeVITC,
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bmdTimecodeVITCField2,
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bmdTimecodeSerial,
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};
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HRESULT ff_decklink_get_display_name(IDeckLink *This, const char **displayName);
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int ff_decklink_set_configs(AVFormatContext *avctx, decklink_direction_t direction);
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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);
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@ -50,6 +50,7 @@ struct decklink_cctx {
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DecklinkPtsSource video_pts_source;
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int audio_input;
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int video_input;
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int tc_format;
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int draw_bars;
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char *format_code;
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int raw_format;
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@ -752,6 +752,35 @@ HRESULT decklink_input_callback::VideoInputFrameArrived(
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"- Frames dropped %u\n", ctx->frameCount, ++ctx->dropped);
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}
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no_video = 0;
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// Handle Timecode (if requested)
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if (ctx->tc_format) {
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IDeckLinkTimecode *timecode;
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if (videoFrame->GetTimecode(ctx->tc_format, &timecode) == S_OK) {
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const char *tc = NULL;
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DECKLINK_STR decklink_tc;
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if (timecode->GetString(&decklink_tc) == S_OK) {
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tc = DECKLINK_STRDUP(decklink_tc);
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DECKLINK_FREE(decklink_tc);
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}
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timecode->Release();
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if (tc) {
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AVDictionary* metadata_dict = NULL;
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int metadata_len;
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uint8_t* packed_metadata;
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if (av_dict_set(&metadata_dict, "timecode", tc, AV_DICT_DONT_STRDUP_VAL) >= 0) {
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packed_metadata = av_packet_pack_dictionary(metadata_dict, &metadata_len);
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av_dict_free(&metadata_dict);
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if (packed_metadata) {
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if (av_packet_add_side_data(&pkt, AV_PKT_DATA_STRINGS_METADATA, packed_metadata, metadata_len) < 0)
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av_freep(&packed_metadata);
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}
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}
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}
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} else {
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av_log(avctx, AV_LOG_DEBUG, "Unable to find timecode.\n");
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}
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}
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}
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pkt.pts = get_pkt_pts(videoFrame, audioFrame, wallclock, abs_wallclock, ctx->video_pts_source, ctx->video_st->time_base, &initial_video_pts, cctx->copyts);
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@ -969,6 +998,8 @@ av_cold int ff_decklink_read_header(AVFormatContext *avctx)
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ctx->teletext_lines = cctx->teletext_lines;
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ctx->preroll = cctx->preroll;
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ctx->duplex_mode = cctx->duplex_mode;
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if (cctx->tc_format > 0 && (unsigned int)cctx->tc_format < FF_ARRAY_ELEMS(decklink_timecode_format_map))
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ctx->tc_format = decklink_timecode_format_map[cctx->tc_format];
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if (cctx->video_input > 0 && (unsigned int)cctx->video_input < FF_ARRAY_ELEMS(decklink_video_connection_map))
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ctx->video_input = decklink_video_connection_map[cctx->video_input];
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if (cctx->audio_input > 0 && (unsigned int)cctx->audio_input < FF_ARRAY_ELEMS(decklink_audio_connection_map))
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@ -1222,6 +1253,15 @@ int ff_decklink_read_packet(AVFormatContext *avctx, AVPacket *pkt)
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avpacket_queue_get(&ctx->queue, pkt, 1);
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if (ctx->tc_format && !(av_dict_get(ctx->video_st->metadata, "timecode", NULL, 0))) {
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int size;
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const uint8_t *side_metadata = av_packet_get_side_data(pkt, AV_PKT_DATA_STRINGS_METADATA, &size);
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if (side_metadata) {
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if (av_packet_unpack_dictionary(side_metadata, size, &ctx->video_st->metadata) < 0)
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av_log(avctx, AV_LOG_ERROR, "Unable to set timecode\n");
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}
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}
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return 0;
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}
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@ -48,6 +48,15 @@ static const AVOption options[] = {
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{ "unset", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0}, 0, 0, DEC, "duplex_mode"},
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{ "half", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1}, 0, 0, DEC, "duplex_mode"},
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{ "full", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2}, 0, 0, DEC, "duplex_mode"},
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{ "timecode_format", "timecode format", OFFSET(tc_format), AV_OPT_TYPE_INT, { .i64 = 0}, 0, 7, DEC, "tc_format"},
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{ "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0}, 0, 0, DEC, "tc_format"},
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{ "rp188vitc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1}, 0, 0, DEC, "tc_format"},
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{ "rp188vitc2", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2}, 0, 0, DEC, "tc_format"},
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{ "rp188ltc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 3}, 0, 0, DEC, "tc_format"},
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{ "rp188any", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 4}, 0, 0, DEC, "tc_format"},
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{ "vitc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 5}, 0, 0, DEC, "tc_format"},
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{ "vitc2", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 6}, 0, 0, DEC, "tc_format"},
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{ "serial", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 7}, 0, 0, DEC, "tc_format"},
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{ "video_input", "video input", OFFSET(video_input), AV_OPT_TYPE_INT, { .i64 = 0}, 0, 6, DEC, "video_input"},
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{ "unset", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0}, 0, 0, DEC, "video_input"},
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{ "sdi", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1}, 0, 0, DEC, "video_input"},
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@ -29,7 +29,7 @@
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#define LIBAVDEVICE_VERSION_MAJOR 58
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#define LIBAVDEVICE_VERSION_MINOR 4
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#define LIBAVDEVICE_VERSION_MICRO 100
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#define LIBAVDEVICE_VERSION_MICRO 101
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#define LIBAVDEVICE_VERSION_INT AV_VERSION_INT(LIBAVDEVICE_VERSION_MAJOR, \
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LIBAVDEVICE_VERSION_MINOR, \
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