Function parse_608subs

libavdevice/decklink_enc.cpp:579–590

Parse any EIA-608 subtitles sitting on the queue, and write packet side data that will later be handled by construct_cc... */

/* Parse any EIA-608 subtitles sitting on the queue, and write packet side data
   that will later be handled by construct_cc... */
static void parse_608subs(AVFormatContext *avctx, struct decklink_ctx *ctx, AVPacket *pkt)
{
    size_t cc_size = ff_ccfifo_getoutputsize(&ctx->cc_fifo);
    uint8_t *cc_data;

    if (!ff_ccfifo_ccdetected(&ctx->cc_fifo))
        return;

    cc_data = av_packet_new_side_data(pkt, AV_PKT_DATA_A53_CC, cc_size);
    if (cc_data)
        ff_ccfifo_injectbytes(&ctx->cc_fifo, cc_data, cc_size);
}

static int decklink_construct_vanc(AVFormatContext *avctx, struct decklink_ctx *ctx,
                                   AVPacket *pkt, decklink_frame *frame,