Function xan_decode_frame

libavcodec/xxan.c:402–434

}

static int xan_decode_frame(AVCodecContext *avctx, AVFrame *rframe,
                            int *got_frame, AVPacket *avpkt)
{
    XanContext *s = avctx->priv_data;
    int ftype;
    int ret;

    if ((ret = ff_reget_buffer(avctx, s->pic, 0)) < 0)
        return ret;

    bytestream2_init(&s->gb, avpkt->data, avpkt->size);
    ftype = bytestream2_get_le32(&s->gb);
    switch (ftype) {
    case 0:
        ret = xan_decode_frame_type0(avctx);
        break;
    case 1:
        ret = xan_decode_frame_type1(avctx);
        break;
    default:
        av_log(avctx, AV_LOG_ERROR, "Unknown frame type %d\n", ftype);
        return AVERROR_INVALIDDATA;
    }
    if (ret)
        return ret;

    if ((ret = av_frame_ref(rframe, s->pic)) < 0)
        return ret;

    *got_frame = 1;

    return avpkt->size;
}

const FFCodec ff_xan_wc4_decoder = {
    .p.name         = "xan_wc4",