Function hls_write_packet

libavformat/hlsenc.c:2395–2676

    return ret;
}
static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
{
    HLSContext *hls = s->priv_data;
    AVFormatContext *oc = NULL;
    AVStream *st = s->streams[pkt->stream_index];
    int64_t end_pts = 0;
    int is_ref_pkt = 1;
    int ret = 0, can_split = 1, i, j;
    int stream_index = 0;
    int range_length = 0;
    const char *proto = NULL;
    int use_temp_file = 0;
    VariantStream *vs = NULL;
    char *old_filename = NULL;

    for (i = 0; i < hls->nb_varstreams; i++) {
        int subtitle_streams = 0;
        vs = &hls->var_streams[i];
        for (j = 0; j < vs->nb_streams; j++) {
            if (vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
                subtitle_streams++;
            }
            if (vs->streams[j] == st) {
                if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
                    oc = vs->vtt_avf;
                    stream_index = 0;
                } else {
                    oc = vs->avf;
                    stream_index = j - subtitle_streams;
                }
                break;
            }
        }

        if (oc)
            break;
    }

    if (!oc) {
        av_log(s, AV_LOG_ERROR, "Unable to find mapping variant stream\n");
        return AVERROR(ENOMEM);
    }

    end_pts = hls->recording_time * vs->number;

    if (vs->sequence - vs->nb_entries > hls->start_sequence && hls->init_time > 0) {
        /* reset end_pts, hls->recording_time at end of the init hls list */
        int64_t init_list_dur = hls->init_time * vs->nb_entries;
        int64_t after_init_list_dur = (vs->sequence - hls->start_sequence - vs->nb_entries) * hls->time;
        hls->recording_time = hls->time;
        end_pts = init_list_dur + after_init_list_dur ;
    }

    if (vs->start_pts == AV_NOPTS_VALUE) {
        vs->start_pts = pkt->pts;
        if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
            vs->start_pts_from_audio = 1;
    }