Function process_frame

tools/enc_recon_frame_test.c:145–259

}

static int process_frame(DecodeContext *dc, AVFrame *frame)
{
    PrivData *pd = dc->opaque;
    int ret;

    if (!avcodec_is_open(pd->enc)) {
        if (!frame) {
            fprintf(stderr, "No input frames were decoded\n");
            return AVERROR_INVALIDDATA;
        }

        pd->enc->width        = frame->width;
        pd->enc->height       = frame->height;
        pd->enc->pix_fmt      = frame->format;
        pd->enc->thread_count = dc->decoder->thread_count;
        pd->enc->thread_type  = dc->decoder->thread_type;

        // real timestamps do not matter for this test, so we just
        // pretend the input is 25fps CFR to avoid any timestamp issues
        pd->enc->time_base    = (AVRational){ 1, 25 };

        ret = avcodec_open2(pd->enc, NULL, NULL);
        if (ret < 0) {
            fprintf(stderr, "Error opening the encoder\n");
            return ret;
        }
    }

    if (frame) {
        frame->pts       = pd->pts_in++;

        // avoid forcing coded frame type
        frame->pict_type = AV_PICTURE_TYPE_NONE;
    }

    ret = avcodec_send_frame(pd->enc, frame);
    if (ret == AVERROR_EOF && !frame)
        return 0;
    if (ret < 0) {
        fprintf(stderr, "Error submitting a frame for encoding\n");
        return ret;
    }

    while (1) {
        AVPacket *pkt = pd->pkt;

        ret = avcodec_receive_packet(pd->enc, pkt);
        if (ret == AVERROR(EAGAIN))
            break;
        else if (ret == AVERROR_EOF)
            pkt = NULL;
        else if (ret < 0) {
            fprintf(stderr, "Error receiving a frame from the encoder\n");
            return ret;
        }

        if (pkt) {
            ret = recon_frame_process(pd, pkt);