Function enc_stats_write

fftools/ffmpeg_enc.c:467–539

}

void enc_stats_write(OutputStream *ost, EncStats *es,
                     const AVFrame *frame, const AVPacket *pkt,
                     uint64_t frame_num)
{
    Encoder      *e = ost->enc;
    EncoderPriv *ep = ep_from_enc(e);
    AVIOContext *io = es->io;
    AVRational   tb = frame ? frame->time_base : pkt->time_base;
    int64_t     pts = frame ? frame->pts : pkt->pts;

    AVRational  tbi = (AVRational){ 0, 1};
    int64_t    ptsi = INT64_MAX;

    const FrameData *fd = NULL;

    if (frame ? frame->opaque_ref : pkt->opaque_ref) {
        fd   = (const FrameData*)(frame ? frame->opaque_ref->data : pkt->opaque_ref->data);
        tbi  = fd->dec.tb;
        ptsi = fd->dec.pts;
    }

    pthread_mutex_lock(&es->lock);

    for (size_t i = 0; i < es->nb_components; i++) {
        const EncStatsComponent *c = &es->components[i];

        switch (c->type) {
        case ENC_STATS_LITERAL:         avio_write (io, c->str,     c->str_len);                    continue;
        case ENC_STATS_FILE_IDX:        avio_printf(io, "%d",       ost->file->index);              continue;
        case ENC_STATS_STREAM_IDX:      avio_printf(io, "%d",       ost->index);                    continue;
        case ENC_STATS_TIMEBASE:        avio_printf(io, "%d/%d",    tb.num, tb.den);                continue;
        case ENC_STATS_TIMEBASE_IN:     avio_printf(io, "%d/%d",    tbi.num, tbi.den);              continue;
        case ENC_STATS_PTS:             avio_printf(io, "%"PRId64,  pts);                           continue;
        case ENC_STATS_PTS_IN:          avio_printf(io, "%"PRId64,  ptsi);                          continue;
        case ENC_STATS_PTS_TIME:        avio_printf(io, "%g",       pts * av_q2d(tb));              continue;
        case ENC_STATS_PTS_TIME_IN:     avio_printf(io, "%g",       ptsi == INT64_MAX ?
                                                                    INFINITY : ptsi * av_q2d(tbi)); continue;
        case ENC_STATS_FRAME_NUM:       avio_printf(io, "%"PRIu64,  frame_num);                     continue;
        case ENC_STATS_FRAME_NUM_IN:    avio_printf(io, "%"PRIu64,  fd ? fd->dec.frame_num : -1);   continue;
        }

        if (frame) {
            switch (c->type) {
            case ENC_STATS_SAMPLE_NUM:  avio_printf(io, "%"PRIu64,  e->samples_encoded);            continue;
            case ENC_STATS_NB_SAMPLES:  avio_printf(io, "%d",       frame->nb_samples);             continue;
            default: av_assert0(0);
            }
        } else {
            switch (c->type) {
            case ENC_STATS_DTS:         avio_printf(io, "%"PRId64,  pkt->dts);                      continue;
            case ENC_STATS_DTS_TIME:    avio_printf(io, "%g",       pkt->dts * av_q2d(tb));         continue;
            case ENC_STATS_PKT_SIZE:    avio_printf(io, "%d",       pkt->size);                     continue;
            case ENC_STATS_KEYFRAME:    avio_write(io, (pkt->flags & AV_PKT_FLAG_KEY) ?
                                                       "K" : "N", 1);                               continue;
            case ENC_STATS_BITRATE: {
                double duration = FFMAX(pkt->duration, 1) * av_q2d(tb);
                avio_printf(io, "%g",  8.0 * pkt->size / duration);
                continue;